EP1246669B1 - Method for detecting and fighting a fire in a railway train - Google Patents

Method for detecting and fighting a fire in a railway train Download PDF

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Publication number
EP1246669B1
EP1246669B1 EP01903915A EP01903915A EP1246669B1 EP 1246669 B1 EP1246669 B1 EP 1246669B1 EP 01903915 A EP01903915 A EP 01903915A EP 01903915 A EP01903915 A EP 01903915A EP 1246669 B1 EP1246669 B1 EP 1246669B1
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EP
European Patent Office
Prior art keywords
detector
fire
temperature
car
lines
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP01903915A
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German (de)
French (fr)
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EP1246669A1 (en
Inventor
Peter Southwood
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France Manche SA
Channel Tunnel Group Ltd
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France Manche SA
Channel Tunnel Group Ltd
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Publication of EP1246669A1 publication Critical patent/EP1246669A1/en
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    • 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
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
    • 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
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0271—Detection of area conflagration fires
    • 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
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A62C3/0292—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires by spraying extinguishants directly into the fire
    • 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
    • A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles

Definitions

  • the invention relates to railway convoys of road transport, and more particularly in such railway convoys, a system to detect the position of one or more fire on one or more wagons and for fight against these fire foci according to their position on the wagon.
  • This type of automatic extinguishing device fire has the disadvantage of triggering watering by the main network on the covered area only by hot melt sprinkler sprinkler, and / or on a secondary network covering the entire wagon and / or associated with the vehicle transported on the basis of a signal provided by a single detector for the entire car.
  • thermo-fuse shutter that is triggered In the case of a railway convoy, the current of hot air due to the fire focus moves into the opposite direction of the movement of the train so that the thermo-fuse shutter that is triggered is not always the one closest to the home, hence some inefficiency in the effect of watering on the actual fireplace.
  • each secondary network is not triggered only by a single fire detector it does not intervene quickly in the fight against fire only to the extent that the detector is close to the fireplace.
  • the watering obtained is dispersed throughout the wagon and is therefore relatively inefficient on extinguishment of the home, which should be the focus concentrated all means of firefighting.
  • An object of the invention is therefore to provide a system detecting the position of a fire center in a wagon of a rail transport convoy of road vehicles and a system to combat the fire that concentrates the watering of the liquid fire extinguisher on the fire outbreak detected.
  • a rail freight transport convoy of goods has at least one lead locomotive 10 at one end and a locomotive tail 12 at the other end of the convoy. Between the two locomotives 10 and 12 are arranged, for example, two sets of m cars W1 to Wm, each arranged to carry road freight vehicles. These road vehicles are brought on the wagons of each rowed and unloaded at their destination by via two maneuvering platforms 14a and 14b.
  • These means of fight against the fire on the wagon 18 mainly include a main tank 20 filled with a pressure extinguishing liquid atmospheric such as water, a high pump pressure 22 disposed on an outlet pipe 24 of the main tank and a secondary tank 26 filled with an anti-freeze liquid including a output 32 is equipped with a medium pressure pump 28.
  • the outputs of the high pressure pumps 22 and average pressure 28 are connected to a pipe main distribution 34 that powers in each wagon W1 to Wm two distribution ducts 40 and 42 mounted on one side and the other of each wagon.
  • the outlet pipe 24 of the main tank 20 includes a manual valve 80 at the outlet of the tank followed by a motorized valve 82, which allows check the circulation of the extinguishing liquid.
  • the main tank is equipped with a pipeline of filling 84 equipped with a manual valve 86, a non-return valve 88 and a filling mouth 90.
  • the output of the motorized valve 82 is connected to the input of the pump 22 whose output is connected to the main pipe 34 by a non-return valve 92.
  • the pump 22 comprises a pump proper P and a drive motor M of the diesel type so as to make the system independent of the power supply electric.
  • the outlet pipe 32 of the liquid reservoir anti-freeze 26 comprises a manual valve 94 whose outlet is connected to the inlet of the pump 28.
  • the pump outlet is connected directly to the conduit 42 of Line 34 and through a non-return valve 96 to the conduit 40.
  • This connection between the pump 28 and the conduit 42 is equipped with an anti-freeze liquid circulation indicator 98 which provides an IF signal if it detects a anti-freeze circulation.
  • the signal P1 appears when the pressure in the pipeline is below a threshold S1, for example 20 bar.
  • the signal P2 appears when the pressure is greater than a threshold S2, for example 25 bar.
  • the signal P3 appears when the pressure is below a threshold S3, for example 10 bar.
  • the pump 28 comprises, like the pump 22, a pump proper P and a drive motor type diesel M.
  • the anti-freeze reservoir 26 is equipped with a filling pipe 100 having a valve 102, a check valve 104 and a filling mouth 106.
  • the anti-freeze tank 26 is equipped with a second outlet pipe 108 for supplying the pump 22 anti-freeze through a manual valve 110 and a motorized valve 112.
  • the motorized valves 82 and 112 each comprise a valve proper V and an actuator A which is controlled by signals P3 and FI.
  • the motor of the pump 22 is controlled by the signals P3 and FI while the pump motor 28 is controlled by the signals P1 and P2.
  • the conduits 40 and 42 are connected to each other at their end, that is to say at the tail of the convoy on the loading wagon, by a manual valve 116 which is open to allow the circulation of the antifreeze liquid in the direction of the arrows f1 and f2 by following the non-return valve 96.
  • the ducts 40 and 42 are connected by a manual valve 114 which is closed.
  • each duct 40 and 42 supplies watering nozzles, for example at number of 15, which are referenced N1 to N15 for the leads 40 and N16 to N30 for the conduit 42, the intermediary of diversions equipped with valves motorized A1, C1, B1 for the ducts 40 and A2, C2 and B2 for the conduit 42.
  • Each bypass and motorized valve feeds five watering nozzles among the thirty covering a wagon.
  • the pipes 40 and 42 are filled with liquid extinguisher with anti-freeze under pressure while the branches supplying the watering nozzles contain no liquid during normal operation, that is to say, out fire in the wagon.
  • nozzles are preferably arranged on the part high of each car near the vertical walls and their jet of extinguishing liquid is directed towards the down and inside the car at a particular angle to be as effective as possible vis-à-vis a fire on the road vehicle.
  • the motorized valves A1, C1, B1, A2, C2 and B2 are controlled by the signals provided by a PLC 44 each car ( Figure 4).
  • This controller 44 is connected by a cable 46 to infrared radiation detectors S1 to S18 distributed by half on one side and the other of each wagon W1 to Wm and arranged in the upper part of the walls vertical of the wagon.
  • the electrical signals provided by detectors S1 to S18 are analyzed by a electronic device, which is part of the automaton 44, so as to detect, on the one hand, a temperature above ambient temperature and, on the other hand, a rate of increase of this temperature which is above a certain threshold.
  • This algorithm is, for example, intended to detect a class A fire in slow development according to criteria of the association called "National Fire Protection Association ".
  • the number n of samples per S detector will be sixteen over a time interval of thirty seconds, one sample every two seconds at times V0, V1, ..., V15, V0 being the date the most recent ( Figure 6).
  • the exceeding of the temperature threshold Ta must be detected for a detector S over at least three consecutive values T (S, V0), T (S, V1) and T (S, V2) while the temperature gradient R (S) of the detector S is calculated on the sixteen values T (S, V0) to T (S, V15) according to the following formula:
  • Figure 7 illustrates, in the form of a diagram logic, the operations carried out by the circuit of treatment 56 on the n samples from a only detector S.
  • the three consecutive values of temperature T (S, V0), T (S, V1) and T (S, V2) are compared with step 60 at threshold Ta and provide a logical state 1 if they are equal to or greater than threshold Ta.
  • step 62 An AND logic operation is performed in step 62 on the three logical states resulting from operation 60 of way to provide a logical state 1 for three simultaneous overruns.
  • the gradient R (S) is compared with the threshold Ra to provide a logical state 1 if it is equal or greater than Ra.
  • the logical states resulting from steps 62 and 66 are combined in a logical operation ET 68 to provide an AL (S) fire detection alarm in case of overtaking Ta and Ra.
  • the position of the fire is defined by that of the detector S.
  • Figure 8 illustrates the respective positions of detectors S1 to S18 of the watering nozzles N1 to N30, watering areas A, B and C and extinguishing areas FS1 to FS2. It also illustrates valves A1 and A2, B1 and B2, C1 and C2 which are actuated to realize the respective watering of zones A, B and C. It is note that each FS1 and FS2 extinction zone includes two watering zones: A and C for the zone for extinction FS1 and B and C for the extinction zone FS2.
  • Figure 9 illustrates a strategy to combat the fire in a wagon depending on the detector that has provided the alarm signal AL.
  • an AL alarm from a sensors S1 to S4 and S10 to S13 causes watering in the FS1 extinction zone including the zones watering A and C.
  • An AL alarm from a central S5 detector or S14 causes watering in both areas extinction FS1 and FS2, that is to say over the entire length of the wagon.
  • An alarm AL from one of the detectors S6 to S9 and S15 to S18 causes watering in the extinction zone FS2 including the watering zones B and C.
  • ducts 40 and 42 In normal operation, that is to say outside fire, ducts 40 and 42 contain an extinguishing liquid with antifreeze under a pressure of between 20 and 25 bars. Motorized valves A1 and A2, B1 and B2, C1 and C2, are closed so that the watering nozzles N1 to N30 are in the dry state, that is to say without liquid.
  • the pressure is maintained between 20 and 25 bar thanks to pressure switches PS1 and PS2 that provide, one a signal P1 for starting the pump 28 and the other, a stop signal P2 of the pump 28.
  • At least one of the motorized valves A1, A2, B1, B2, C1 and C2 are open so that the pressure in the ducts 40 and 42 drop to the value of 10 bar, which is detected by the PS3 pressure switch providing the signal P3.
  • the pump 28 was started by the signal P1 so that the extinguishing liquid flows in ducts 40 and 42 in the direction of the arrows f1 and f2.
  • This circulation is detected by the device 98 which then provides an IF signal.
  • the combination of P3 and FI signals opens the valve motorized 82 so that the pump 22 is powered by extinguisher liquid, which is propelled at high pressure, for example 130 bars, in the pipeline 34 by the pump 22 started by signals P3 and FI.
  • the pipe 34 supplies the pipes 40 and 42 so that the extinguishing liquid flows in the direction of the arrows f3 under high pressure which is higher at the threshold of the PS3 contactor.
  • the pump 28 is therefore stopped by P2 signal.
  • signals P3 and FI close the valve motorized 112 so that the pump 22 is no longer anti-freeze, avoiding the draining of the tank 26 in case of fire.
  • infrared radiation detectors can be arranged according to a layout adapted to the types of vehicles to be transported. Watering nozzles may also be placed on the wagon on positions more suited to fight the fire. By elsewhere, firefighting strategies can also be different without departing from the invention.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Control Of Conveyors (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to a system for detecting and fighting a fire in a railway train whose cars are used for transporting road vehicles. The invention is characterized mainly in that each car comprises a device for detecting the position of a fire site, each device comprising a plurality of infrared radiation detectors (S1 to S18) and an electronic device for controlling the valves (A1, B1, C1, A2, B2, C2) with which the distribution lines of each car are provided, according to the position of the detector (S) which has detected the infrared radiation. The invention can be used for cars of a railway train.

Description

L'invention concerne les convois ferroviaires de transport de véhicules routiers, et plus particulièrement dans de tels convois ferroviaires, un système pour détecter la position d'un ou plusieurs foyers d'incendie sur un ou plusieurs wagons et pour lutter contre ces foyers d'incendie en fonction de leur position sur le wagon.The invention relates to railway convoys of road transport, and more particularly in such railway convoys, a system to detect the position of one or more fire on one or more wagons and for fight against these fire foci according to their position on the wagon.

Il est connu de la demande de brevet français N° 97 13138 des dispositifs d'extinction automatique d'incendie intégrés à un convoi ferroviaire qui comportent un wagon-citerne pompe distribuant un liquide extincteur à chaque wagon par l'intermédiaire de canalisations équipées d'arroseurs placés dans les wagons porteurs de véhicules de transport routier. L'arrosage est commandé soit par la fusion des obturateurs thermo-fusibles équipant les arroseurs d'un réseau principal, soit par l'utilisation de détecteurs d'incendie dont les signaux entraínent l'actionnement de vannes motorisées alimentant un réseau secondaire.It is known from the French patent application No. 97 13138 automatic extinguishing devices built into a railway convoy which include a pump tank car distributing a liquid fire extinguisher to each wagon via pipelines equipped with sprinklers placed in wagons carrying road transport vehicles. Watering is controlled either by the fusion of thermo-fusible shutters fitted to the sprinklers of a main network, either by the use of detectors fire whose signals cause actuation motorized valves supplying a secondary network.

Ce type de dispositif d'extinction automatique d'incendie présente l'inconvénient de déclencher l'arrosage par le réseau principal sur la zone couverte uniquement par l'arroseur à obturateur thermofusible, et/ou sur un réseau secondaire couvrant tout le wagon et/ou associé au véhicule transporté sur la base d'un signal fourni par un seul détecteur pour tout le wagon.This type of automatic extinguishing device fire has the disadvantage of triggering watering by the main network on the covered area only by hot melt sprinkler sprinkler, and / or on a secondary network covering the entire wagon and / or associated with the vehicle transported on the basis of a signal provided by a single detector for the entire car.

Or, dans le cas d'un convoi ferroviaire, le courant d'air chaud dû au foyer d'incendie se déplace dans le sens inverse du déplacement du train de sorte que l'obturateur à thermo-fusible qui se déclenche n'est pas toujours celui qui est le plus proche du foyer, d'où une certaine inefficacité quant à l'effet de l'arrosage sur le foyer réel.In the case of a railway convoy, the current of hot air due to the fire focus moves into the opposite direction of the movement of the train so that the thermo-fuse shutter that is triggered is not always the one closest to the home, hence some inefficiency in the effect of watering on the actual fireplace.

Par ailleurs, comme chaque réseau secondaire n'est déclenché que par un seul détecteur d'incendie, il n'intervient rapidement dans la lutte contre l'incendie que dans la mesure où le détecteur est proche du foyer. En outre, l'arrosage obtenu est dispersé sur tout le wagon et est donc relativement inefficace sur l'extinction du foyer, foyer sur lequel devraient être concentrés tous les moyens de lutte contre l'incendie.Moreover, since each secondary network is not triggered only by a single fire detector it does not intervene quickly in the fight against fire only to the extent that the detector is close to the fireplace. In addition, the watering obtained is dispersed throughout the wagon and is therefore relatively inefficient on extinguishment of the home, which should be the focus concentrated all means of firefighting.

Un but de l'invention est donc de réaliser un système de détection de la position d'un foyer d'incendie dans un wagon d'un convoi ferroviaire de transport de véhicules routiers ainsi qu'un système de lutte contre l'incendie qui concentre l'arrosage du liquide extincteur sur le foyer d'incendie détecté.An object of the invention is therefore to provide a system detecting the position of a fire center in a wagon of a rail transport convoy of road vehicles and a system to combat the fire that concentrates the watering of the liquid fire extinguisher on the fire outbreak detected.

L'invention concerne donc un système de détection et de lutte contre l'incendie dans un convoi ferroviaire comprenant plusieurs wagons, dont au moins un wagon comprend au moins un réservoir de liquide extincteur et au moins un dispositif de propulsion du liquide extincteur dans des canalisations de distribution aux autres wagons, lesdites canalisations étant équipées, sur chaque wagon de transport de véhicule(s) routier(s), de vannes et de buses d'arrosage, caractérisé en ce que chaque wagon de transport de véhicule(s) routier(s) comprend :

  • un dispositif de détection de la position d'un foyer d'incendie comprenant une pluralité de détecteurs de rayonnement infrarouge à des positions déterminées du wagon, et
  • un dispositif électronique de commande des vannes équipant les canalisations de distribution de chaque wagon en fonction de la position du détecteur qui a détecté le rayonnement infrarouge de manière à déclencher les buses d'arrosage à proximité du foyer d'incendie.
The invention therefore relates to a system for detecting and fighting against fire in a railroad train comprising several wagons, at least one wagon comprising at least one extinguisher liquid tank and at least one device for propelling the extinguishing liquid in pipes. distributing to other wagons, said pipes being equipped, on each road vehicle transport wagon (s), with valves and sprinkler nozzles, characterized in that each road vehicle transport wagon (s) ( s) includes:
  • a fire position detection device comprising a plurality of infrared radiation detectors at predetermined positions of the car, and
  • an electronic control device of the valves equipping the distribution ducts of each wagon according to the position of the detector which detected the infrared radiation so as to trigger the spray nozzles near the fire.

D'autres caractéristiques et avantages de la présente invention apparaítront à la lecture de la description suivante d'un exemple particulier de réalisation, ladite description étant faite en relation avec les dessins joints dans lesquels :

  • la figure 1 est un schéma montrant la composition d'un convoi ferroviaire comprenant un système de détection et de lutte contre l'incendie selon l'invention ;
  • la figure 2 est un schéma simplifié illustrant les éléments de lutte contre l'incendie disposés sur un wagon du convoi ferroviaire ;
  • la figure 3 est un schéma montrant la disposition des arroseurs ou buses d'arrosage selon l'invention ;
  • la figure 4 est un schéma montrant la disposition des détecteurs d'incendie sur un wagon selon l'invention ;
  • la figure 5 est un schéma fonctionnel d'un automate de détection d'incendie et de lutte contre l'incendie détecté ;
  • la figure 6 est un diagramme temporel des instants d'échantillonnage des signaux électriques de chaque détecteur d'incendie ;
  • la figure 7 est une représentation de l'algorithme de détection d'un foyer d'incendie selon l'invention ;
  • la figure 8 est un schéma illustrant une disposition des détecteurs d'incendie, des buses d'arrosage et des différentes zones de détection et d'arrosage ;
  • la figure 9 est un schéma illustrant une stratégie de lutte contre l'incendie selon l'invention.
Other characteristics and advantages of the present invention will appear on reading the following description of a particular embodiment, said description being made in relation to the accompanying drawings in which:
  • Figure 1 is a diagram showing the composition of a railway train comprising a detection and firefighting system according to the invention;
  • Figure 2 is a schematic diagram illustrating the fire fighting elements arranged on a wagon of the railway train;
  • Figure 3 is a diagram showing the arrangement of sprinklers or sprinkler nozzles according to the invention;
  • Figure 4 is a diagram showing the arrangement of the fire detectors on a wagon according to the invention;
  • Figure 5 is a block diagram of a fire detection and fire detection automaton detected;
  • Figure 6 is a timing diagram of the sampling times of the electrical signals of each fire detector;
  • FIG. 7 is a representation of the detection algorithm of a fire center according to the invention;
  • Figure 8 is a diagram illustrating an arrangement of fire detectors, sprinkler nozzles and different areas of detection and watering;
  • Figure 9 is a diagram illustrating a firefighting strategy according to the invention.

Un convoi ferroviaire de transport de véhicules routiers de marchandises comprend au moins une locomotive de tête 10 à une extrémité et une locomotive de queue 12 à l'autre extrémité du convoi. Entre les deux locomotives 10 et 12 sont disposées, par exemple, deux rames de m wagons W1 à Wm, chacune agencée pour transporter des véhicules routiers de marchandises. Ces véhicules routiers sont amenés sur les wagons de chaque rame et déchargés à leur destination par l'intermédiaire de deux plates-formes de manoeuvre 14a et 14b.A rail freight transport convoy of goods has at least one lead locomotive 10 at one end and a locomotive tail 12 at the other end of the convoy. Between the two locomotives 10 and 12 are arranged, for example, two sets of m cars W1 to Wm, each arranged to carry road freight vehicles. These road vehicles are brought on the wagons of each rowed and unloaded at their destination by via two maneuvering platforms 14a and 14b.

Il comprend également un wagon 16, derrière la locomotive de tête 10, pour transporter les chauffeurs des véhicules routiers et un wagon 18 de transport de moyens de lutte contre l'incendie.It also includes a car 16, behind the lead locomotive 10, to transport the drivers road vehicles and a wagon 18 for the transport of means of fighting fire.

Ces moyens de lutte contre l'incendie sur le wagon 18 comprennent principalement un réservoir principal 20 rempli d'un liquide extincteur à la pression atmosphérique tel que de l'eau, une pompe haute pression 22 disposée sur une canalisation de sortie 24 du réservoir principal et un réservoir secondaire 26 rempli d'un liquide anti-gel dont une canalisation de sortie 32 est équipée d'une pompe moyenne pression 28. Les sorties des pompes haute pression 22 et moyenne pression 28 sont connectées à une canalisation principale de distribution 34 qui alimente dans chaque wagon W1 à Wm deux conduits de distribution 40 et 42 montés d'un côté et de l'autre de chaque wagon.These means of fight against the fire on the wagon 18 mainly include a main tank 20 filled with a pressure extinguishing liquid atmospheric such as water, a high pump pressure 22 disposed on an outlet pipe 24 of the main tank and a secondary tank 26 filled with an anti-freeze liquid including a output 32 is equipped with a medium pressure pump 28. The outputs of the high pressure pumps 22 and average pressure 28 are connected to a pipe main distribution 34 that powers in each wagon W1 to Wm two distribution ducts 40 and 42 mounted on one side and the other of each wagon.

La canalisation de sortie 24 du réservoir principal 20 comprend une vanne manuelle 80 à la sortie du réservoir suivie d'une vanne motorisée 82, ce qui permet de contrôler la circulation du liquide extincteur. Le réservoir principal est équipé d'une canalisation de remplissage 84 équipée d'une vanne manuelle 86, d'une vanne anti-retour 88 et d'une embouchure de remplissage 90.The outlet pipe 24 of the main tank 20 includes a manual valve 80 at the outlet of the tank followed by a motorized valve 82, which allows check the circulation of the extinguishing liquid. The main tank is equipped with a pipeline of filling 84 equipped with a manual valve 86, a non-return valve 88 and a filling mouth 90.

La sortie de la vanne motorisée 82 est connectée à l'entrée de la pompe 22 dont la sortie est connectée à la canalisation principale 34 par une vanne anti-retour 92.The output of the motorized valve 82 is connected to the input of the pump 22 whose output is connected to the main pipe 34 by a non-return valve 92.

La pompe 22 comprend une pompe proprement dite P et un moteur d'entraínement M du type diesel de manière à rendre le système indépendant de l'alimentation électrique.The pump 22 comprises a pump proper P and a drive motor M of the diesel type so as to make the system independent of the power supply electric.

La canalisation de sortie 32 du réservoir de liquide anti-gel 26 comprend une vanne manuelle 94 dont la sortie est connectée à l'entrée de la pompe 28. La sortie de la pompe est connectée directement au conduit 42 de la canalisation 34 et par l'intermédiaire d'une vanne anti-retour 96 au conduit 40.The outlet pipe 32 of the liquid reservoir anti-freeze 26 comprises a manual valve 94 whose outlet is connected to the inlet of the pump 28. The pump outlet is connected directly to the conduit 42 of Line 34 and through a non-return valve 96 to the conduit 40.

Cette liaison entre la pompe 28 et le conduit 42 est équipée d'un indicateur de circulation de liquide anti-gel 98 qui fournit un signal FI s'il détecte une circulation d'anti-gel.This connection between the pump 28 and the conduit 42 is equipped with an anti-freeze liquid circulation indicator 98 which provides an IF signal if it detects a anti-freeze circulation.

Elle est également équipée de contacteurs à pression PS1, PS2 et PS3 qui fournissent respectivement des signaux P1, P2 et P3. Le signal P1 apparaít lorsque la pression dans la canalisation est inférieure à un seuil S1, par exemple 20 bars.It is also equipped with pressure switches PS1, PS2 and PS3 which respectively provide signals P1, P2 and P3. The signal P1 appears when the pressure in the pipeline is below a threshold S1, for example 20 bar.

Le signal P2 apparaít lorsque la pression est supérieure à un seuil S2, par exemple 25 bars.The signal P2 appears when the pressure is greater than a threshold S2, for example 25 bar.

Le signal P3 apparaít lorsque la pression est inférieure à un seuil S3, par exemple 10 bars.The signal P3 appears when the pressure is below a threshold S3, for example 10 bar.

La pompe 28 comprend, comme la pompe 22, une pompe proprement dite P et un moteur d'entraínement de type diesel M.The pump 28 comprises, like the pump 22, a pump proper P and a drive motor type diesel M.

Le réservoir d'anti-gel 26 est équipé d'une canalisation de remplissage 100 comportant une vanne manuelle 102, une vanne anti-retour 104 et une embouchure de remplissage 106.The anti-freeze reservoir 26 is equipped with a filling pipe 100 having a valve 102, a check valve 104 and a filling mouth 106.

Le réservoir anti-gel 26 est équipé d'une deuxième canalisation de sortie 108 pour alimenter la pompe 22 en anti-gel par l'intermédiaire d'une vanne manuelle 110 et d'une vanne motorisée 112.The anti-freeze tank 26 is equipped with a second outlet pipe 108 for supplying the pump 22 anti-freeze through a manual valve 110 and a motorized valve 112.

Les vannes motorisées 82 et 112 comprennent chacune une vanne proprement dite V et un actionneur A qui est commandé par les signaux P3 et FI.The motorized valves 82 and 112 each comprise a valve proper V and an actuator A which is controlled by signals P3 and FI.

Le moteur de la pompe 22 est commandé par les signaux P3 et FI tandis que le moteur de la pompe 28 est commandé par les signaux P1 et P2.The motor of the pump 22 is controlled by the signals P3 and FI while the pump motor 28 is controlled by the signals P1 and P2.

Les conduits 40 et 42 sont connectés entre eux à leur extrémité, c'est-à-dire à la queue du convoi sur le wagon de chargement, par une vanne manuelle 116 qui est ouverte de manière à permettre la circulation du liquide anti-gel dans le sens des flèches f1 et f2 par suite de la vanne anti-retour 96.The conduits 40 and 42 are connected to each other at their end, that is to say at the tail of the convoy on the loading wagon, by a manual valve 116 which is open to allow the circulation of the antifreeze liquid in the direction of the arrows f1 and f2 by following the non-return valve 96.

A l'entrée de chaque wagon de chargement, les conduits 40 et 42 sont connectés par une vanne manuelle 114 qui est fermée.At the entrance of each loading car, the ducts 40 and 42 are connected by a manual valve 114 which is closed.

Dans chaque wagon (figures 3 et 8), chaque conduit 40 et 42 alimente des buses d'arrosage, par exemple au nombre de 15, qui sont référencées N1 à N15 pour le conduit 40 et N16 à N30 pour le conduit 42, par l'intermédiaire de dérivations équipées de vannes motorisées A1, C1, B1 pour le conduit 40 et A2, C2 et B2 pour le conduit 42.In each wagon (FIGS. 3 and 8), each duct 40 and 42 supplies watering nozzles, for example at number of 15, which are referenced N1 to N15 for the leads 40 and N16 to N30 for the conduit 42, the intermediary of diversions equipped with valves motorized A1, C1, B1 for the ducts 40 and A2, C2 and B2 for the conduit 42.

Chaque dérivation et vanne motorisée alimente cinq buses d'arrosage parmi les trente couvrant un wagon.Each bypass and motorized valve feeds five watering nozzles among the thirty covering a wagon.

Les canalisations 40 et 42 sont remplies de liquide extincteur avec anti-gel sous pression tandis que les dérivations alimentant les buses d'arrosage ne contiennent aucun liquide en fonctionnement normal, c'est-à-dire hors incendie dans le wagon.The pipes 40 and 42 are filled with liquid extinguisher with anti-freeze under pressure while the branches supplying the watering nozzles contain no liquid during normal operation, that is to say, out fire in the wagon.

Ces buses sont disposées, de préférence, sur la partie haute de chaque wagon à proximité des parois verticales et leur jet de liquide extincteur est dirigé vers le bas et l'intérieur du wagon selon un angle particulier pour être le plus efficace possible vis-à-vis d'un incendie sur le véhicule routier.These nozzles are preferably arranged on the part high of each car near the vertical walls and their jet of extinguishing liquid is directed towards the down and inside the car at a particular angle to be as effective as possible vis-à-vis a fire on the road vehicle.

Les vannes motorisées A1, C1, B1, A2, C2 et B2 sont commandées par les signaux fournis par un automate 44 propre à chaque wagon (figure 4).The motorized valves A1, C1, B1, A2, C2 and B2 are controlled by the signals provided by a PLC 44 each car (Figure 4).

Cet automate 44 est connecté par un câble 46 à des détecteurs de rayonnement infrarouge S1 à S18 répartis par moitié d'un côté et de l'autre de chaque wagon W1 à Wm et disposés dans la partie supérieure des parois verticales du wagon. Les signaux électriques fournis par les détecteurs S1 à S18 sont analysés par un dispositif électronique, qui fait partie de l'automate 44, de manière à détecter, d'une part une température supérieure à la température ambiante et, d'autre part, une vitesse d'augmentation de cette température qui est supérieure à un certain seuil.This controller 44 is connected by a cable 46 to infrared radiation detectors S1 to S18 distributed by half on one side and the other of each wagon W1 to Wm and arranged in the upper part of the walls vertical of the wagon. The electrical signals provided by detectors S1 to S18 are analyzed by a electronic device, which is part of the automaton 44, so as to detect, on the one hand, a temperature above ambient temperature and, on the other hand, a rate of increase of this temperature which is above a certain threshold.

Cet algorithme est, par exemple, prévu pour détecter un incendie de classe A en développement lent selon les critères de l'association appelée "National Fire Protection Association".This algorithm is, for example, intended to detect a class A fire in slow development according to criteria of the association called "National Fire Protection Association ".

A titre d'exemple, le dispositif électronique sera réglé pour détecter une température Ta qui est égale ou supérieure de 40°C à la température ambiante et un gradient de température R qui est égal ou supérieur à Ra = 0,1°C/sec.For example, the electronic device will be set to detect a temperature Ta which is equal or 40 ° C above room temperature and one temperature gradient R that is equal to or greater than Ra = 0.1 ° C / sec.

A cet effet, ce dispositif électronique comprendra, par exemple (figure 5) :

  • un circuit d'échantillonnage 50 des signaux fournis par les détecteurs S1 à S18,
  • un convertisseur analogique/numérique 52 de l'amplitude des échantillons des signaux,
  • un circuit mémoire 54 pour enregistrer, pour chaque détecteur, les n codes numériques représentatifs des n échantillons successifs au cours d'un intervalle de temps prédéterminé,
  • un circuit de traitement 56 des n codes numériques de chaque détecteur S, tel qu'un microprocesseur, pour déterminer le détecteur dont les signaux ont dépassé les seuils de température Ta et de gradient de température Ra, et
  • un circuit logique 58 pour déterminer dans un premier temps la ou les vannes motorisées à ouvrir pour arroser la zone d'incendie correspondant au détecteur S dont les signaux ont dépassé les seuils et, dans un deuxième temps, fournir les signaux de commande des vannes motorisées A1, A2, C1, C2, B1, B2.
For this purpose, this electronic device will comprise, for example (FIG. 5):
  • a sampling circuit 50 of the signals supplied by the detectors S1 to S18,
  • an analog / digital converter 52 of the amplitude of the samples of the signals,
  • a memory circuit 54 for recording, for each detector, the n numerical codes representative of the n successive samples during a predetermined time interval,
  • a processing circuit 56 of the n digital codes of each detector S, such as a microprocessor, for determining the detector whose signals have exceeded the thresholds of temperature Ta and of temperature gradient Ra, and
  • a logic circuit 58 for firstly determining the motorized valve (s) to be opened for watering the fire zone corresponding to the detector S whose signals have exceeded the thresholds and, secondly, providing the control signals for the motorized valves A1, A2, C1, C2, B1, B2.

A titre d'exemple, le nombre n d'échantillons par détecteur S sera de seize sur un intervalle de temps de trente secondes, soit un échantillon toutes les deux secondes aux instants V0, V1,..., V15, V0 étant la date la plus récente (figure 6).For example, the number n of samples per S detector will be sixteen over a time interval of thirty seconds, one sample every two seconds at times V0, V1, ..., V15, V0 being the date the most recent (Figure 6).

Le dépassement du seuil de température Ta doit être détecté pour un détecteur S sur au moins trois valeurs consécutives T(S, VO), T(S, V1) et T(S, V2) tandis que le gradient de température R(S) du détecteur S est calculé sur les seize valeurs T(S, V0) à T(S, V15) selon la formule suivante :

Figure 00080001
The exceeding of the temperature threshold Ta must be detected for a detector S over at least three consecutive values T (S, V0), T (S, V1) and T (S, V2) while the temperature gradient R (S) of the detector S is calculated on the sixteen values T (S, V0) to T (S, V15) according to the following formula:
Figure 00080001

La figure 7 illustre, sous la forme d'un diagramme logique, les opérations effectuées par le circuit de traitement 56 sur les n échantillons provenant d'un seul détecteur S. Les trois valeurs consécutives de température T(S, V0), T(S, V1) et T(S, V2) sont comparées à l'étape 60 au seuil Ta et fournissent un état logique 1 si elles sont égales ou supérieures au seuil Ta.Figure 7 illustrates, in the form of a diagram logic, the operations carried out by the circuit of treatment 56 on the n samples from a only detector S. The three consecutive values of temperature T (S, V0), T (S, V1) and T (S, V2) are compared with step 60 at threshold Ta and provide a logical state 1 if they are equal to or greater than threshold Ta.

Une opération logique ET est effectuée à l'étape 62 sur les trois états logiques résultant de l'opération 60 de manière à fournir un état logique 1 pour trois dépassements simultanés.An AND logic operation is performed in step 62 on the three logical states resulting from operation 60 of way to provide a logical state 1 for three simultaneous overruns.

Par ailleurs, le calcul de la fonction f(T, V) est effectué sur les n = 16 échantillons d'un détecteur S à l'étape 64 de manière à obtenir le gradient de température R(S) pour le détecteur S. A l'étape suivante 66, le gradient R(S) est comparé au seuil Ra de manière à fournir un état logique 1 s'il est égal ou supérieur à Ra.Moreover, the calculation of the function f (T, V) is performed on the n = 16 samples of an S detector to step 64 so as to obtain the gradient of temperature R (S) for the S detector. At the stage following 66, the gradient R (S) is compared with the threshold Ra to provide a logical state 1 if it is equal or greater than Ra.

Les états logiques résultant des étapes 62 et 66 sont combinés dans une opération logique ET 68 pour fournir une alarme de détection d'incendie AL(S) en cas de dépassement de Ta et Ra. La position de l'incendie est définie par celle du détecteur S.The logical states resulting from steps 62 and 66 are combined in a logical operation ET 68 to provide an AL (S) fire detection alarm in case of overtaking Ta and Ra. The position of the fire is defined by that of the detector S.

La figure 8 illustre les positions respectives des détecteurs S1 à S18 des buses d'arrosage N1 à N30, des zones d'arrosage A, B et C et des zones d'extinction FS1 à FS2. Elle illustre aussi les vannes A1 et A2, B1 et B2, C1 et C2 qui sont actionnées pour réaliser l'arrosage respectif des zones A, B et C. Il est à noter que chaque zone d'extinction FS1 et FS2 comprend deux zones d'arrosage : A et C pour la zone d'extinction FS1 et B et C pour la zone d'extinction FS2.Figure 8 illustrates the respective positions of detectors S1 to S18 of the watering nozzles N1 to N30, watering areas A, B and C and extinguishing areas FS1 to FS2. It also illustrates valves A1 and A2, B1 and B2, C1 and C2 which are actuated to realize the respective watering of zones A, B and C. It is note that each FS1 and FS2 extinction zone includes two watering zones: A and C for the zone for extinction FS1 and B and C for the extinction zone FS2.

La figure 9 illustre une stratégie de lutte contre l'incendie dans un wagon en fonction du détecteur qui a fourni le signal d'alarme AL.Figure 9 illustrates a strategy to combat the fire in a wagon depending on the detector that has provided the alarm signal AL.

Ainsi, à l'état de repos, une alarme AL provenant d'un des détecteurs S1 à S4 et S10 à S13 provoque l'arrosage dans la zone d'extinction FS1 comprenant les zones d'arrosage A et C.Thus, in the idle state, an AL alarm from a sensors S1 to S4 and S10 to S13 causes watering in the FS1 extinction zone including the zones watering A and C.

Une alarme AL provenant d'un détecteur central S5 ou S14 provoque l'arrosage dans les deux zones d'extinction FS1 et FS2, c'est-à-dire sur toute la longueur du wagon.An AL alarm from a central S5 detector or S14 causes watering in both areas extinction FS1 and FS2, that is to say over the entire length of the wagon.

Une alarme AL provenant d'un des détecteurs S6 à S9 et S15 à S18 provoque l'arrosage dans la zone d'extinction FS2 comprenant les zones d'arrosage B et C.An alarm AL from one of the detectors S6 to S9 and S15 to S18 causes watering in the extinction zone FS2 including the watering zones B and C.

Lorsqu'une zone d'extinction FS1 ou (FS2) est en arrosage (UNE ZONE ACTIVE), alors l'autre zone d'extinction FS2 (ou FS1) est mise en arrosage si l'un des détecteurs 57 à S9 et S16 à S18 (ou S1 à S3 et S10 à S12) fournit une alarme AL. On passe alors à l'état « DEUX ZONES ACTIVES ».When an extinction zone FS1 or (FS2) is in watering (ONE ACTIVE ZONE), then the other zone FS2 (or FS1) is turned on if one detectors 57 to S9 and S16 to S18 (or S1 to S3 and S10 at S12) provides an AL alarm. We then go to the state "TWO ACTIVE ZONES".

Le fonctionnement du système selon l'invention est le suivant :The operation of the system according to the invention is the next :

En fonctionnement normal, c'est-à-dire hors incendie, les conduits 40 et 42 contiennent un liquide extincteur avec anti-gel sous une pression comprise entre 20 et 25 bars. Les vannes motorisées A1 et A2, B1 et B2, C1 et C2, sont fermées de sorte que les buses d'arrosage N1 à N30 sont à l'état sec, c'est-à-dire sans liquide.In normal operation, that is to say outside fire, ducts 40 and 42 contain an extinguishing liquid with antifreeze under a pressure of between 20 and 25 bars. Motorized valves A1 and A2, B1 and B2, C1 and C2, are closed so that the watering nozzles N1 to N30 are in the dry state, that is to say without liquid.

La pression est maintenue entre 20 et 25 bars grâce aux contacteurs à pression PS1 et PS2 qui fournissent, l'un un signal P1 de mise en route de la pompe 28 et l'autre, un signal P2 d'arrêt de la pompe 28.The pressure is maintained between 20 and 25 bar thanks to pressure switches PS1 and PS2 that provide, one a signal P1 for starting the pump 28 and the other, a stop signal P2 of the pump 28.

En présence d'un signal d'alarme AL, au moins une des vannes motorisées A1, A2, B1, B2, C1 et C2 est ouverte de sorte que la pression dans les conduits 40 et 42 chute jusqu'à la valeur de 10 bars, ce qui est détecté par le contacteur à pression PS3 fournissant le signal P3.In the presence of an alarm signal AL, at least one of the motorized valves A1, A2, B1, B2, C1 and C2 are open so that the pressure in the ducts 40 and 42 drop to the value of 10 bar, which is detected by the PS3 pressure switch providing the signal P3.

Par ailleurs, la pompe 28 a été mise en marche par le signal P1 de sorte que le liquide extincteur circule dans les conduits 40 et 42 dans le sens des flèches f1 et f2. Cette circulation est détectée par le dispositif 98 qui fournit alors un signal FI.In addition, the pump 28 was started by the signal P1 so that the extinguishing liquid flows in ducts 40 and 42 in the direction of the arrows f1 and f2. This circulation is detected by the device 98 which then provides an IF signal.

La combinaison des signaux P3 et FI ouvre la vanne motorisée 82 de sorte que la pompe 22 est alimentée en liquide extincteur, qui est propulsée à haute pression, par exemple 130 bars, dans la canalisation 34 par la pompe 22 mise en route par les signaux P3 et FI. La canalisation 34 alimente les conduits 40 et 42 de sorte que le liquide extincteur circule selon le sens des flèches f3 sous une pression élevée qui est supérieure au seuil du contacteur PS3. La pompe 28 est donc arrêtée par le signal P2.The combination of P3 and FI signals opens the valve motorized 82 so that the pump 22 is powered by extinguisher liquid, which is propelled at high pressure, for example 130 bars, in the pipeline 34 by the pump 22 started by signals P3 and FI. The pipe 34 supplies the pipes 40 and 42 so that the extinguishing liquid flows in the direction of the arrows f3 under high pressure which is higher at the threshold of the PS3 contactor. The pump 28 is therefore stopped by P2 signal.

Par ailleurs, les signaux P3 et FI ferment la vanne motorisée 112 de sorte que la pompe 22 n'est plus alimentée en anti-gel, ce qui évite la vidange du réservoir 26 en cas d'incendie.In addition, signals P3 and FI close the valve motorized 112 so that the pump 22 is no longer anti-freeze, avoiding the draining of the tank 26 in case of fire.

L'invention a été décrite en relation avec un exemple particulier de réalisation. Cependant, elle peut être mise en oeuvre selon des réalisations différentes.The invention has been described in connection with an example particular embodiment. However, she can be implemented according to different embodiments.

Ainsi, les détecteurs de rayonnement infrarouge peuvent être disposés selon une implantation adaptée aux types de véhicules à transporter. Les buses d'arrosage peuvent aussi être implantées sur le wagon à des positions plus adaptées à combattre l'incendie. Par ailleurs, les stratégies de lutte contre l'incendie peuvent aussi être différentes sans sortir du cadre de l'invention.Thus, infrared radiation detectors can be arranged according to a layout adapted to the types of vehicles to be transported. Watering nozzles may also be placed on the wagon on positions more suited to fight the fire. By elsewhere, firefighting strategies can also be different without departing from the invention.

Claims (8)

  1. System for detecting and fighting a fire in a railway train comprising several cars (W1 to Wm), of which at least one car (18) comprises at least one reservoir of extinguishing liquid (20) and at least one device (22) for propelling the extinguishing liquid in distribution lines (34, 40, 42) to the other cars, the said lines being equipped, on each road vehicle(s) transport car, with valves feeding spray nozzles, characterized in that each road vehicle(s) transport car comprises:
    a device (50, 52, 54, 56) for detecting the position of a fire site comprising a plurality of infrared radiation detectors (S1 to S18) at determined positions of the car with respect to the spray nozzles, and
    an electronic device (58) for controlling the valves (A1, A2, B1, B2, C1, C2) equipping the distribution lines (40, 42) of each car as a function of the position of the detector (S1 to S18) which has detected the infrared radiation in such a way as to trigger the spray nozzles (N1 to N30) in proximity to the fire site.
  2. System according to Claim 1, characterized in that the detection device comprises:
    means (50, 52) for analysing the electrical signals provided by the infrared detectors to measure the temperature (T),
    means (54, 56) for processing the temperature values measured by each detector so as to determine an overshoot of a temperature threshold (Ta) and of a temperature gradient threshold (Ra), and
    means (60, 62, 64, 66, 68) for providing an alarm (AL) when the temperature (T) and the temperature gradient (R) of a detector are equal to or greater than respective thresholds (Ta, Ra).
  3. System according to Claim 2, characterized
    in that the spray nozzles (N1 to N30) are disposed in zones (A, B, C), the spray nozzles of each zone being fed via at least one motorized valve (A1, A2, B1, B2, C1, C2), and
    in that the electronic device (58) for controlling the motorized valves comprises a logic circuit (58) for actuating at least one motorized valve as a function of the detector which has provided the alarm (AL).
  4. System according to Claim 2 or 3, characterized in that the overshoot of the temperature threshold (Ta) is measured over at least three consecutive temperature values and in that the temperature gradient is measured on the basis of a plurality (n) of consecutive temperature values.
  5. System according to Claim 4, characterized in that the temperature gradient is calculated according to the formula:
    Figure 00210001
    in which:
    Vi is the measurement of instant i out of n,
    S is the detector involved in the measurement Vi,
    T(S, Vi) is the temperature measured at the instant i for detector S.
  6. System according to any one of the preceding Claims 1 to 5, characterized in that:
    the spray nozzles of a road vehicle(s) transport car are connected to the valves of the distribution lines by feed conduits of the dry type.
  7. System according to any one of the preceding Claims 1 to 6, characterized in that it comprises, furthermore,
    a reservoir (2b) of antifreeze liquid, which is arranged on the car transporting the reservoir of the extinguishing liquid,
    means (28) for propelling the antifreeze liquid in the distribution lines (40, 42) of the extinguishing liquid and maintaining (PS1, PS2) a determined pressure in the said lines,
    means (PS3, 98) for detecting a pressure drop in the said lines (40, 42) and for turning on the device (22) for propelling the extinguishing liquid in such a way as to feed at high pressure the said lines (40, 42) when a distribution valve (A1, A2, B1, B2, C1, C2) on a road vehicle(s) transport car has been opened by the electronic device (58) for controlling the valves.
  8. System according to Claim 7, characterized in that it comprises, furthermore:
    means (112, PS3, 98) for stopping the feeding of the said lines with antifreeze liquid as soon as the device (22) for propelling the extinguishing liquid is turned on.
EP01903915A 2000-01-14 2001-01-11 Method for detecting and fighting a fire in a railway train Expired - Lifetime EP1246669B1 (en)

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FR0000467 2000-01-14
FR0000467A FR2803763B1 (en) 2000-01-14 2000-01-14 FIRE DETECTION AND FIRE FIGHTING SYSTEM IN A RAIL CONVEYOR
PCT/FR2001/000078 WO2001051130A1 (en) 2000-01-14 2001-01-11 Method for detecting and fighting a fire in a railway train

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CN108313082A (en) * 2018-04-04 2018-07-24 李理 A kind of railway transportation coal car compartment safety and environmental protection cover board
RU2772200C1 (en) * 2021-07-30 2022-05-18 Общество с ограниченной ответственностью "МорТех" Automatic fire extinguishing method and automatic system for its implementation

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GB2364243B (en) * 2000-06-05 2004-02-25 Alan Randall Tunnel fire extinguisher system
ES2182720B1 (en) * 2001-07-31 2004-09-16 Metro De Madrid, S.A. SYSTEM AND METHOD FOR FIRE PROTECTION IN MOBILE UNITS.
FR2843886B1 (en) * 2002-09-02 2005-09-16 Cie Centrale Sicli FIRE FIGHTING DEVICE OF A GROUND TRANSPORT VEHICLE
EP1393778B1 (en) * 2002-09-02 2009-07-08 Compagnie Centrale Sicli S.A. System for fighting fire of a vehicle
ITMI20041315A1 (en) * 2004-06-30 2004-09-30 Kidde Italia Spa LIQUID SPRAYING SYSTEMS FOR FIRE PROTECTION OF RAILWAY CARRIAGES
KR100637846B1 (en) * 2004-08-24 2006-10-23 샬롬엔지니어링 주식회사 Apparatus for extinguishing fire of train
IT1396431B1 (en) * 2009-10-26 2012-11-23 Muller RAILWAY CARRIAGE WITH HIGH PRESSURE JET UNIT FOR THE EXTINCTION OF A FIRE AND PROCEDURE FOR THE EXTINCTION OF A FIRE IN A RAILWAY CARRIAGE
CN115887972B (en) * 2022-11-15 2024-08-13 中车株洲电力机车有限公司 Train fire extinguishing system and method

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GB2215204B (en) * 1988-02-24 1993-12-08 James Steel Fire protection system for passenger carriers
FR2769508B1 (en) * 1997-10-15 1999-12-17 Jean Aime Andre Poncet AUTOMATIC FIRE EXTINGUISHING DEVICE INTEGRATED IN A RAIL CONVEYOR

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CN108313082A (en) * 2018-04-04 2018-07-24 李理 A kind of railway transportation coal car compartment safety and environmental protection cover board
CN108313082B (en) * 2018-04-04 2019-05-10 于法周 A kind of railway transportation coal car compartment safety and environmental protection cover board
RU2772200C1 (en) * 2021-07-30 2022-05-18 Общество с ограниченной ответственностью "МорТех" Automatic fire extinguishing method and automatic system for its implementation

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WO2001051130A1 (en) 2001-07-19
FR2803763A1 (en) 2001-07-20

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