EP2543415A1 - Dispositif et procédé de lutte contre l'incendie, en particulier à bord des véhicules - Google Patents

Dispositif et procédé de lutte contre l'incendie, en particulier à bord des véhicules Download PDF

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Publication number
EP2543415A1
EP2543415A1 EP11005606A EP11005606A EP2543415A1 EP 2543415 A1 EP2543415 A1 EP 2543415A1 EP 11005606 A EP11005606 A EP 11005606A EP 11005606 A EP11005606 A EP 11005606A EP 2543415 A1 EP2543415 A1 EP 2543415A1
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EP
European Patent Office
Prior art keywords
pressure
extinguishing
line
detection
detection means
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.)
Withdrawn
Application number
EP11005606A
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German (de)
English (en)
Inventor
Josef Warmuth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Payr Engineering GmbH
Original Assignee
Payr Engineering GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Payr Engineering GmbH filed Critical Payr Engineering GmbH
Priority to EP11005606A priority Critical patent/EP2543415A1/fr
Publication of EP2543415A1 publication Critical patent/EP2543415A1/fr
Withdrawn legal-status Critical Current

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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
    • A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • 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
    • A62C35/11—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • A62C35/13—Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone with a finite supply of extinguishing material
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C35/00—Permanently-installed equipment
    • A62C35/58—Pipe-line systems
    • A62C35/64—Pipe-line systems pressurised
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C37/00—Control of fire-fighting equipment
    • A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/44—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device only the sensor being in the danger zone

Definitions

  • the present invention generally relates to fire extinguishing devices and fire extinguishing methods, and more particularly, to detecting and extinguishing there in the case of undesirably high temperatures and / or fires in an area of a vehicle.
  • water and air vehicles of any kind such as cars, trucks, two-wheelers, commercial vehicles, sailboats and motor boats, aircraft, etc. can occur in certain areas undesirable high temperatures and / or fire. This may be particularly the case in areas that include propulsion of the vehicle (e.g., engine, transmission, powertrain) and areas that may heat up during operation of the vehicle (e.g., exhaust systems, catalytic converters, brake systems, hydraulic systems).
  • propulsion of the vehicle e.g., engine, transmission, powertrain
  • areas that may heat up during operation of the vehicle e.g., exhaust systems, catalytic converters, brake systems, hydraulic systems.
  • fire extinguishing devices which detect unwanted high temperatures and fire in or on the vehicle by means of appropriate sensors and possibly the one or more areas for the undesirably high Temperatures and / or fires were detected, can automatically supply with extinguishing agent.
  • a potential weak point of such systems may be the detection of undesirably high temperatures and fire in or on the vehicle, namely when the devices used for detection at least partially malfunction. Then you can get unwanted high temperatures and fire in or not recognized on the vehicle or not in time to trigger a deletion.
  • the object of the present invention is to eliminate the above disadvantages of known fire extinguishing devices and methods, in particular with regard to the detection of undesirably high temperatures and fires, and to ensure a safer detection of undesirably high temperatures and fires.
  • the present invention provides an apparatus and a method and a vehicle with a device according to the invention according to the independent claims. Preferred embodiments are given in the dependent claims.
  • the fire extinguishing device is particularly intended for a vehicle and comprises a extinguishing medium line for pressurized extinguishing agent, a detection means for pressurized detection means and an extinguishing medium line detection means connecting line between the extinguishing medium line and the detection means.
  • the extinguishing line detection line connecting line comprises a pressure compensating means for equalizing the pressure between the extinguishing medium line and the detection line when the pressure difference between the detection line and the extinguishing line reaches or exceeds a first predetermined pressure difference limit and / or when the pressure in the detection line reaches or exceeds a first predetermined pressure limit ,
  • a pressure difference limit or a pressure limit is exceeded, it is here and hereinafter understood in particular that the current pressure difference is greater than or less than the pressure difference limit is / is or the current pressure is greater than or less than the pressure limit is / is.
  • the extinguishing agent line detection means connecting line comprises a pressure compensation limiting means for limiting the pressure equalization between the extinguishing medium line and the detection medium line in dependence on the pressure in the detection medium line.
  • the pressure equalizing means starting from the extinguishant line, equalizes the pressure towards the detection means line (eg, by means of extinguishing means displaced towards the detection means line) when the pressure difference between the detection means line and the extinguishing medium line reaches or becomes greater than the first predetermined pressure difference limit / is and / or when the pressure in the detection means line reaches or is less than the first predetermined pressure limit.
  • the pressure equalization may be accomplished by means of the pressure compensation means when the pressure differential between the detection means and the extinguishing medium line reaches or falls below the first predetermined pressure differential limit and / or when the pressure in the detection means reaches or exceeds the first predetermined pressure limit will is.
  • the pressure equalization may be from the detection means to the quencher line (e.g., by means of a detection means shifted towards the quench line).
  • the pressure equalization may also be effected by lowering the pressure in the detection medium line (again) by means of the pressure of the extinguishing medium line, e.g. by removing pressure from the detection means line using the pressure of the extinguishant line.
  • the pressure compensation limiting means may comprise means limiting the pressure equalization from the extinguishing agent line to the detection means by limiting the pressure equalization.
  • the pressure compensation limiting device may comprise, for example, a throttle or a flow control or limiting valve.
  • the pressure compensation limiting means may comprise means for equalizing the pressure between the extinguishing medium line and the detection means line limited when the pressure difference between the detection medium line and the extinguishing medium line reaches or exceeds a second predetermined pressure difference limit and / or when the pressure in the detection medium line reaches or exceeds a second predetermined pressure limit.
  • the pressure compensation restriction means may comprise means which do not affect the pressure balance between the extinguisher conduit and the detection means conduit if the pressure differential between the detection means conduit and the extinguisher conduit does not reach or exceed the second predetermined pressure differential limit and / or if the pressure in the detection means conduit second predetermined pressure limit is not reached or exceeded, and limits the pressure compensation when the pressure difference between the detection means and the extinguishing medium line reaches or exceeds the second predetermined pressure difference limit and / or when the pressure in the detection means line reaches or exceeds the second predetermined pressure limit.
  • the pressure compensation limiting device may comprise, for example, a device which, depending on the current pressure difference between the detection medium line and the extinguishing medium line and / or the current pressure in the detection medium line, limits or prevents the fluid connection between the extinguishing medium line and the detection medium line.
  • a controllable valve e.g., a hydraulically and / or pneumatically operable valve
  • a closed state prevents such fluid communication.
  • the pressure compensation limiting device may comprise a labyrinth flow channel.
  • the pressure equalization between the extinguishing medium line and the detection medium line can be effected by supplying pressure to the extinguishing medium line of the detection medium line.
  • pressure equalization preferably occurs when the pressure differential between the detection means line and the extinguishing line reaches or exceeds the first predetermined pressure difference limit and / or when the pressure in the detection means line reaches or becomes less than the first predetermined pressure limit ,
  • the pressure equalization can be effected by supplying pressure to the detection medium line of the extinguishing medium line.
  • pressure equalization preferably occurs when the pressure differential between the detection means line and the extinguishant line reaches or becomes less than the first predetermined pressure differential limit and / or when the pressure in the detection means line reaches or becomes greater than the first predetermined pressure limit ,
  • the pressure compensation device comprises a check valve.
  • the first predetermined pressure difference limit may indicate a pressure to be equalized or a pressure to be minimally compensated within a first predetermined time period.
  • the second predetermined pressure difference limit may indicate a maximum pressure to be equalized or a maximum pressure to be equalized within a second predetermined time period.
  • the first predetermined pressure difference limit and the second predetermined pressure difference limit may be the same or specify different limits. In the latter case, it is preferable that the first predetermined pressure difference limit is smaller than the second predetermined pressure difference limit when the pressure equalization is performed from the extinguisher line to the detection medium line, and it is preferable that the first predetermined pressure difference limit is larger than the second predetermined pressure difference limit when the pressure equalization takes place starting from the detection medium line to the extinguishing medium line or by pressure of the extinguishing medium line, the pressure of the detection medium line is reduced.
  • the first predetermined pressure limit and the second predetermined pressure limit may be the same or specify different limits. In the latter case, it is preferred that the first predetermined pressure limit be less than the second predetermined pressure limit when the pressure equalization is from the extinguisher line to the detection means, and it is preferred that the first predetermined pressure limit be greater than the second predetermined pressure limit when the pressure equalization takes place starting from the detection medium line to the extinguishing medium line or by pressure of the extinguishing medium line, the pressure of the detection medium line is reduced.
  • the fire extinguishing device may include an integrated, internal extinguishant source for pressurized extinguishant, wherein the extinguisher line and the extinguishant source are in fluid communication.
  • the extinguishing medium line comprises at least one extinguishing agent outlet, for example an extinguishing agent nozzle for arrangement in or adjacent to an extinguishing area.
  • the extinguishant conduit may include extinguishant control means for selectively establishing fluid communication between the extinguishing agent source and the at least one extinguishing agent outlet.
  • the fire extinguishing device may further comprise a connection between the extinguishant control means and the detection means to control the extinguishing means control means in dependence on the actual pressure in the detection means and / or on the actual pressure difference between the detection means and the extinguishing means.
  • the extinguishant control means may prevent a discharge of extinguishing agent when the pressure difference between the detection means and the extinguishing means reaches or exceeds a third predetermined pressure differential limit and / or when the pressure in the detection means reaches or exceeds a third predetermined pressure limit.
  • the extinguishant controller may prevent a discharge of extinguishing agent when the pressure difference between the detection medium line and the extinguishing line reaches or exceeds the third predetermined pressure difference limit and / or when the pressure in the detection line reaches or becomes greater than the third predetermined pressure limit. has.
  • This embodiment may be preferred when the pressure equalization takes place starting from the extinguishing agent line to the detection medium line.
  • the extinguishant control means may prevent a discharge of extinguishing agent when the pressure difference between the detection means and the extinguishing medium reaches or becomes smaller than the third predetermined pressure difference limit and / or when the pressure in the detection means reaches or becomes smaller than the third predetermined pressure limit. is. This embodiment may be preferred when the pressure equalization takes place starting from the detection medium line to the extinguishing medium line.
  • the extinguishant control means may provide for release of extinguishing agent when the pressure differential between the detection means and extinguishing means reaches or exceeds a fourth predetermined pressure differential limit and / or when the pressure in the detection means reaches or exceeds a fourth predetermined pressure limit.
  • the extinguishing-medium control means may prevent discharge of extinguishing agent when the pressure difference between the detection-medium line and the extinguishing-medium line reaches or becomes smaller than the fourth predetermined pressure-difference limit and / or when the pressure in the detection-medium line reaches or becomes smaller than the fourth predetermined pressure limit. is. This embodiment may be preferred when the pressure equalization takes place starting from the extinguishing agent line to the detection medium line.
  • the extinguishant control means may prevent a discharge of extinguishing agent when the pressure difference between the detection means and the extinguishing medium reaches or becomes greater than the fourth predetermined pressure difference limit and / or when the pressure in the detection means reaches or becomes greater than the fourth predetermined pressure limit. is. This embodiment may be preferred when the pressure equalization takes place starting from the detection medium line to the extinguishing medium line.
  • the third predetermined pressure difference limit and the fourth predetermined pressure difference limit may be the same or may specify different limits. In the latter case, it may be preferable that the third predetermined pressure difference limit is less than the fourth predetermined pressure difference limit when the pressure equalization is performed from the extinguisher line to the detection medium line, and it may be preferable that the third predetermined pressure difference limit be greater than the fourth predetermined one Pressure differential limit is when the pressure equalization takes place from the detection medium line to the extinguishing medium line.
  • the third predetermined pressure difference limit and the fourth predetermined pressure limit may be the same or specify different limits. In the latter case, it may be preferred that the third predetermined pressure limit is less than the fourth predetermined pressure limit when the pressure equalization takes place from the extinguishing agent line to the detection means, wherein it may be preferable that the third predetermined pressure limit is greater than the fourth predetermined Pressure limit is when the pressure equalization takes place from the detection medium line to the extinguishing agent line.
  • the fire-extinguishing device may comprise a device which is designed to provide a change in pressure in the detection-medium line independently of increased temperature and / or fire in an extinguishing region assigned to the detection-medium line.
  • a device may include, for example, a crash sensor.
  • the extinguishing agent line may include an extinguishing agent inlet for supplying pressurized extinguishing agent.
  • the detection means may comprise a detection means inlet for supplying pressurized detection means.
  • the fire extinguishing device may include a user extinguisher conduit in fluid communication with the extinguisher conduit and / or the internal extinguishing agent source, allowing immediate access to available extinguishing agent.
  • a person can remove extinguishing agents manually if necessary.
  • the user extinguishing agent line may include a hand-held syringe or the like, with which the user can direct extinguishing agent targeted in an area with increased temperature and / or fire.
  • the fire extinguishing device may include an uncontrolled extinguisher conduit that is in fluid communication with the extinguisher conduit and / or the internal extinguishing agent source, allowing immediate access to available extinguishing agent.
  • An uncontrolled extinguishing medium line is to be understood in particular as a line which, irrespective of whether extinguishing agent is discharged by extinguishing agent line or not (ie, for example, to extinguish extinguishing agent in an area with elevated temperature and / or fire independent of the current state of the detection medium line and / or extinguishing agent control device can, ie in particular even if no increased temperature and / or fire is detected by means of the detection medium line, for example, because the detection medium line monitors one area and the uncontrolled extinguishing medium line is assigned to another area
  • the uncontrolled extinguishing medium line can partially, for example, in an area in the in the case of elevated temperature and / or fire extinguishing agent to
  • the pressure balance fluid connection is made to equalize the pressure from the extinguisher conduit to the detection means when the pressure differential between the detection means and the extinguishing agent reaches or exceeds the first predetermined pressure differential limit and / or when the pressure in the Detection medium line reaches the first predetermined pressure limit or less than this is / is.
  • a pressure compensation fluid connection can be produced which makes it possible to displace extinguishing agent in the direction of the detection medium line.
  • provision may be made to establish the pressure compensation fluid connection such that a pressure equalization takes place between the extinguishing medium line and the detection medium line when the pressure difference between the detection medium line and the extinguishing medium line reaches or falls below the first predetermined pressure difference limit and / or if the pressure in the detection medium line reaches or is greater than the first predetermined pressure limit.
  • a pressure compensation fluid connection can be used, which makes it possible to shift detection means towards the extinguishing agent line. Further, a pressure compensating fluid connection can be used by means of which the pressure in the detection medium line is reduced (again) by using the pressure of the extinguishing medium line.
  • the limitation of the pressure balance fluid connection can be made by throttling the pressure balance between the extinguishing medium line and the detection medium line.
  • the first predetermined pressure difference limit may indicate a pressure to be minimally compensated or a pressure difference pressure to be minimally compensated within a first predetermined time period.
  • the second predetermined pressure difference limit may indicate a maximum pressure to be equalized or a maximum pressure to be equalized within a second predetermined time period.
  • an extinguishing agent source for extinguishing agent under pressure can be filled with extinguishing agent when filling the extinguishing agent line with extinguishing agent.
  • the fluid communication between the extinguishant source and the at least one extinguishant outlet of the extinguisher conduit can not be established when the pressure differential between the detection conduit and the extinguisher conduit reaches or exceeds a third predetermined pressure differential limit and / or when the pressure in the detection conduit reaches or exceeds a third predetermined pressure limit.
  • extinguishing agents by means of a user-controllable user extinguishing agent line, which is in fluid communication with the extinguishing agent line and / or the extinguishing agent source.
  • extinguishing agent can be removed by means of the uncontrolled extinguishing medium line, in particular independently of a discharge of extinguishing agent by means of the extinguishing medium line.
  • the present invention provides a vehicle with a fire extinguishing device according to the invention.
  • the extinguishing agent line and the detection means may be at least partially disposed adjacent to an area of the vehicle in which, for example, an undesirable operating condition, or even during normal operation of the vehicle, elevated temperatures may arise, which may lead to damage of vehicle components to fire ,
  • Such areas include e.g. the engine or drivetrain, areas of the drivetrain, area with moving components (eg brake discs, areas with electrical and / or electronic equipment, exhaust / exhaust systems or areas thereof, tanks for gasoline, diesel and gas, accumulators for electrically driven vehicles and the same.
  • Vehicles usable with the present invention include passenger cars, trucks, motorized two-wheelers, boats / ships, airplanes, buses, special vehicles (e.g., demining vehicles, hazardous goods transporters, ambulance, rescue and ambulance vehicles, fire engines, etc.) and the like.
  • Fig. 1 1 schematically illustrates an embodiment of a fire extinguishing device, generally designated 2, which according to the invention is provided by way of example for monitoring elevated temperatures and fire in a drive 4 (engine) of a motor vehicle.
  • the fire extinguishing device 2 has at least one, as shown, four extinguishing agent sources 6.
  • the extinguishing agent sources 6 are used to receive pressurized extinguishing agent, which may be different depending on the particular application.
  • pressurized extinguishing agent which may be different depending on the particular application.
  • For the presently adopted application in the drive 4 of a motor vehicle can be used as extinguishing agent, for example, in the motor vehicle field usual extinguishing foam.
  • the extinguishing agent sources 6 each have a connection terminal 8, which are each detachably connected to a connection terminal 10.
  • the releasable connection of the connection terminals 8 and 10 makes it possible to remove individual, multiple or all extinguishing agent sources 6, for example for maintenance or replacement.
  • the connection terminals 8 may be designed such that they close the respective extinguishing agent source 6 in a fluid-tight manner to the outside and only permit a release of extinguishing agent from the respective extinguishing agent source 6 when a connection to one of the connection terminals 10 is made. This makes it possible to connect already filled with extinguishing agent under pressure extinguishing agent sources.
  • the extinguishing agent sources 6 can also be connected in the unfilled state, with a filling with extinguishing agent in such cases, as described below, can take place.
  • connection terminals 10 are connected to an extinguishing agent line 12.
  • Extinguishing means of individual, several or all extinguishing agent sources 6 as needed, i. For example, at elevated temperature and / or fire, in the surrounding area of the drive and these are delivered.
  • the extinguishing agent line 12 has an extinguishing agent inlet 14, can be supplied via the pressurized extinguishing agent. In this way, individual, several or all extinguishing agent sources 6 can be filled or refilled. It is also possible via the extinguishing agent inlet 14 to supply so much extinguishing agent that the extinguishing agent line 12 itself is also filled with extinguishing agent under pressure.
  • the extinguishing medium line 12 has a region 12a extending from the extinguishing agent inlet 14 and connecting the connection connections, and an extinguishing agent region 12b connecting the extinguishing medium line region 12a to an extinguishing medium control device 16.
  • an extinguishing agent region 12b connecting the extinguishing medium line region 12a to an extinguishing medium control device 16.
  • the extinguishing agent line 12 comprises a further region 12 c, which extends from the extinguishing agent control device 16 to extinguishing agent nozzles 22.
  • the extinguishing agent nozzles 22 are arranged in the area surrounding the drive 4 and in particular so relative to the drive that at elevated temperature and / or fire on and / or in the drive extinguishing agent can be selectively delivered to the corresponding areas.
  • the region which can be supplied with extinguishing agent by the extinguishing agent nozzles 22 is also referred to as extinguishing area.
  • a pressure indicator 24 may be connected to control the pressure in the extinguishing agent line 12, more precisely their areas 12a and 12b.
  • the connection of the pressure indicator 24 may, for example, as in Fig. 1 shown connected via a connecting line 26 and preferably detachable connection terminals 28 and 30.
  • the pressure indicator 24 may comprise, for example, a pressure sensor and a display, the latter being arranged, for example, in an easily accessible and / or visible area of the motor vehicle, such as in the area of the dashboard adjacent to other instruments present there.
  • the fire extinguishing device 2 comprises a detection means 32, which is provided for receiving pressurized detection means.
  • a detection means 32 which is provided for receiving pressurized detection means.
  • air, non-flammable other gas or noble gas, fluids of any kind as a detection means Type, also extinguishing agent (for example, the same provided for the extinguishing agent line 12 extinguishing agent) and combinations thereof may be used.
  • the detection means 32 includes an area 32a associated with the area to be monitored for elevated temperatures and / or fire, i. here the extinguishing area surrounding the drive 4.
  • the detection means lead region 32a may extend at least partially adjacent to the extinguishing agent nozzles 22.
  • the detection means conduit portion 32a may also include portions removed from the extinguishing agent nozzles 22 and preferably arranged to be as near as possible to the zones more likely to be at elevated temperatures and / or fire.
  • the detection means 32 further comprises an area 32b, which at its in Fig. 1 right end has a detection means inlet 34.
  • About the detection means inlet 34 of the detection means 32 can be supplied under pressure detection means, preferably so that the detection means 32 is completely filled with pressurized detection means.
  • the detection means line region 32a may be formed in individual, a plurality of regions or completely so that one or more leakages form in the detection medium guide region 32a at elevated temperature and / or fire in the extinguishing region, through which detection means can emerge.
  • a device may be provided to effect one or more leakages in the detection means line region 32a, regardless of the temperature and / or fire in the extinguishing area. Such a device can ensure that, in certain situations, extinguishing agent is introduced into the extinguishing area before there is or can arise elevated temperature and / or fire. Such a situation is for example an accident of the vehicle or a collision.
  • Such a device may, for example, comprise a crash sensor 36 which is arranged at a suitable location in the detection means line region 32a.
  • the crash sensor 36 can be provided, for example, in that the detection means region 32a has a region that is deformed, actuated and / or opened in the event of an accident or a collision forces and / or moments that detection means can escape.
  • a fragile glass tube can be used, which is destroyed in an accident and / or collision and consequently can leak there detection means.
  • a monitoring device 38 connected to the detection means 32, and in particular its region 32b, with which the proper condition of the detection means 32 can be checked.
  • a pressure switch 40 in fluid communication with the detection means 32 may be used as the monitoring device 38, which pressure switch is activated in the detection means 32 at a pressure drop exceeding a predetermined time and / or quantity in order to effect a corresponding warning or alarm.
  • the warning / alarming can be done, for example, by means of an optical display element 42 (e.g., LED) and / or warning sounds and / or warnings in the form of voice output generating means (not shown).
  • the monitoring device 38 it is also possible for one or more components of the motor vehicle to be switched off or deactivated when the pressure in the detection means 32 drops too sharply and / or too rapidly.
  • an electrical power supply for example battery
  • the drive parts of the drive train, electrical and / or electronic control components of the vehicle by means of the monitoring device 38.
  • a connecting line 44 there is a fluid connection between the detection means 32, according to Fig. 1 in particular their region 32b and the extinguishing agent control device 16.
  • the connecting line 44 can, as shown, be detachably connected by means of connection connections 46 and 48.
  • the extinguishing agent control device 16 receives at least information about the currently prevailing in the detection medium line 32 pressure.
  • the extinguishant controller 16 may selectively establish fluid communication between the extinguishant conduit portion 12b and 12a, respectively, and the extinguisher conduit portion 12c to supply extinguishing agent to the extinguishing agent nozzles 22 and discharge therefrom into the extinguishing region.
  • the extinguishant controller 16 may receive information about the pressure in the region 12b / a of the extinguishant conduit 12, and also depending on it, to establish fluid communication with the region 12 or not.
  • the value by virtue of which the extinguishant controller 16 establishes or inhibits fluid communication with the portion 12c of the extinguisher conduit 12 may indicate a pressure in the detection means 32 under which fluid communication is made to the region 12c and / or via which no fluid communication is required the area 12c and / or indicate a pressure differential between the detection means 32 and the extinguishant conduit 12 through which fluid communication is made to the region 12c and / or where no fluid communication is made to the region 12.
  • the extinguishant controller 16 may include a valve having a control port in fluid communication with the communication line 44.
  • the control port (not shown) is pressurized via the fluid communication 44 to the pressure of the detection means 32, which is above a predetermined value, the valve is closed so that there is no fluid communication between the extinguishant conduit portion 12b and the extinguisher conduit portion 12c. If the pressure in the detection means 32 drops below the predetermined value, the control connection is subjected to a correspondingly decreased pressure. This causes the valve to open and establish fluid communication between the extinguishant conduit section 12b and the extinguishant conduit section 12c.
  • the extinguishant controller 16 also operates in dependence upon the pressure in the extinguisher conduit 12, e.g. Depending on the pressure difference between the detection medium line 32 and the extinguishing medium line 12, the control connection can be designed such that it is also subjected to pressure of the region 12b / a.
  • the extinguishant controller 16 may include an electronically controlled valve or other electronically or electrically controlled device that establishes or prevents fluid communication between the extinguishant conduit sections 12b and 12c, depending on the pressure in the detection line 32.
  • information about the currently prevailing in the detection means 32 pressure can be determined, for example by means of a pressure sensor which is acted upon via the connecting line 44.
  • Information about the pressure in the detection means 32 may also be obtained by means of a pressure sensor directly connected to the detection means 32 or the like. It is also possible to use information determined by the monitoring device 38 about the pressure in the detection means 32 for controlling the extinguishing agent control device 16.
  • Information about the pressure in the region 12b / a of the extinguishing agent line 12 can be determined by a specially provided pressure detection or obtained from the pressure display device 24.
  • connection line 50 is disposed between the detection means 32 and the extinguisher line 12, and may be detachably connected to the detection means line area 32b and the extinguishing medium line area 12a by means of connection terminals 52 and 54, for example.
  • the connecting line 50 comprises a pressure compensation device 56 and a pressure compensation limiting device 58.
  • the pressure compensation device 56 is arranged closer to the detection medium line 32, while the pressure compensation limiting device 58 is closer to the extinguishing medium line 12.
  • the pressure compensation device and the pressure compensation limiting device as a unitary integrated, individual component, which provides the functions of the pressure compensation device 56 and the pressure compensation limiting device 58 described below.
  • the pressure compensation device 56 is such that it ensures a pressure equalization between the detection medium line 32 and the extinguishing medium line 12 when the pressure in the detection means 32 is less than or by a predetermined value smaller than the pressure in the extinguishing medium line 12.
  • Embodiments are provided in which the initial, desired pressure in the detection means conduit 32 and the extinguishant conduit 12 are the same.
  • the pressure compensation device 56 can provide for a pressure equalization at a pressure drop in the detection medium line 32, so that the pressures in the detection medium line 32 and the extinguishing medium line 12 are made equal or equal.
  • embodiments are provided in which different pressures in the detection medium line 32 and the extinguishing medium line 12 are used.
  • the pressure compensation device 56 may provide, for example, a pressure drop in the detection means 32 by a predetermined value for pressure equalization or at least increase the pressure in the detection means 32 by pressure of the extinguishing agent line 12 of the detection means 32 is supplied.
  • This provides pressure equalization in the detection means 32, but not necessarily equalization of pressure between the detection means 32 and the extinguishant conduit 12, ie, even after operation of the pressure compensator 56, the pressures in the detection means 32 and the extinguishant conduit 12 may differ.
  • a pressure equalization between these lines is quite possible.
  • extinguishing agent from the extinguishing medium line 12 is provided via the connecting line 50 and the pressure compensation device at least to the region of the connecting line 50 and possibly also to the detection medium line between the pressure compensation device 56 and the detection medium line 32 32 supplied.
  • the length of the region of the fluid connection 50 between the pressure compensation device 56 and the detection means 32 and / or depending on the used extinguishing and detection means can be achieved that no extinguishing agent enters the detection medium line 32 at a pressure equalization.
  • extinguishing and detection agents can be used, which are difficult or impossible to mix and form clear boundary layers upon contact.
  • the greatest possible length of the fluid connection 50 between the pressure compensation device 56 and the detection medium line 32 may be preferred here.
  • the pressure compensator 56 may be activated when the pressure differential between the detection means 32 and the extinguishant conduit 12 reaches or exceeds a first predetermined pressure differential limit. Additionally or alternatively, the pressure compensation device 56 can be activated when the pressure in the detection means 32 drops below or reaches a first predetermined pressure limit.
  • a first predetermined period of time may be determined within which the pressure difference and / or the pressure does not result in activation of the pressure compensation device 56.
  • pressure equalizing means 56 for example, a mechanical means, e.g. with a check valve, which opens when pressure drop in the detection means 32 line. But also electrical and / or electronic devices can be used (additionally or alternatively).
  • the pressure compensation limiting device 58 ensures that the pressure compensation from the extinguishing medium line 12 to the detection means 32 and the pressure supplied from the extinguishing medium line 12 of the detection means 32 is limited.
  • This limitation may be time-independent to limit the total possible maximum pressure equalization, so that regardless of how often and how long, pressure from the extinguisher conduit 12 increases the detection means 32 is transmitted, a predetermined maximum limit is not exceeded. This can be achieved, for example, that a maximum of a predetermined amount of extinguishing agent of the extinguishing agent line 12 and / or the extinguishing agent sources 6 is removed.
  • the limitation may also be such that a time-dependent maximum pressure equalization takes place. It may be provided, for example, that for a predetermined period of time, the pressure which is transmitted from the extinguishing medium line 12 to the detection means 32, does not exceed the predetermined limit.
  • the pressure compensation restriction means 58 may be activated when the pressure differential between the detection means 32 and the extinguishant conduit 12 reaches or exceeds a second predetermined pressure differential limit. Additionally or alternatively, the pressure compensation limiting device 58 can be activated when the pressure in the detection means 32 reaches or falls below a second predetermined pressure limit. Preferably, the activation of the pressure compensation limiting device 58 takes place when the pressure difference limit and / or the pressure limit is reached or exceeded or fallen short of within a second predetermined period of time. If reaching or falling below or exceeding these limits occurs more slowly, the pressure compensation limiting device 58 is not activated.
  • a device limiting the flow rate of extinguishing agent such as, for example, a throttle
  • a pressure compensation limiting device 58 can be provided as a pressure compensation limiting device 58.
  • electrical and / or electronic devices may be used.
  • a supplementary or optional, a labyrinth flow channel 58a may be used, which in Fig. 7 is illustrated schematically.
  • the labyrinth flow channel 58 a comprises a long, narrow channel 58 b, which is connected on one side to the extinguishing medium line 12 and on the other hand to the detection medium line 32.
  • the amount of extinguishing agent that can reach the detection medium line 32 can be limited due to the flow resistance achieved by the long narrow channel 58b.
  • FIG. 2 schematically illustrated embodiment includes the embodiment of Fig. 1 supplemented by an uncontrolled extinguisher.
  • the uncontrolled extinguishing device comprises an uncontrolled extinguishing agent line 60, which is indirectly connected via a connection port 62 indirectly via the extinguishing medium line 12 with at least one of the extinguishing agent sources 6 or in embodiments not shown directly to one or more of the extinguishing agent sources 6.
  • the uncontrolled extinguisher line 60 includes an area 60a associated with an erase area. This can be the same extinguishing area that can be supplied by the extinguishing nozzles 22, or another, other extinguishing area. In the illustrated embodiment, another area susceptible to extinguishment by the uncontrolled extinguisher line 60a is assumed to be the area comprising a tank 70 of a vehicle, as shown.
  • the region 60a of the uncontrolled extinguishing medium line is designed such that at elevated temperature and / or fire in the associated extinguishing area one or more leaks form in the region 60a through which extinguishing agents can escape.
  • the region 60a can be made partially or completely of a material which is deformed, deformed or melts at elevated temperature and / or fire in such a way that openings form for the discharge of extinguishing agent.
  • the property of the extinguishing agent area 60a, at elevated temperature and / or fire in the associated extinguishing area without further action to ensure the escape of extinguishing agent, that is uncontrolled, is represented by the designation uncontrolled extinguisher or uncontrolled extinguisher.
  • the manual extinguishing device comprises a manual extinguishing agent line 66, which is connected via a connection connection 68 indirectly via the extinguishing medium line 12 with one or more of the extinguishing agent sources 6 or in embodiments not shown directly to one or more of the extinguishing agent sources 6.
  • the manual extinguisher conduit 66 has a user manually operable extinguishing means, such as a handheld syringe 70.
  • the manual extinguisher conduit 66 is preferably flexible, at least in part, such that the extinguishing agent dispenser 70 can be moved by a user For example, in order to combat fire in a region defined by the nozzles 22 and / or the uncontrolled extinguisher according to FIG Fig. 2 not supplied with extinguishing agent.
  • Fig. 4 shows an embodiment, the execution of Fig. 3 and the uncontrolled extinguishing device according to Fig. 2 includes. Therefore, the comments on Fig. 1 to 3 referred, which apply here accordingly.
  • Fig. 4 The execution of Fig. 4 is based on the following, even if the statements described below on the comments of Fig. 1 or Fig. 2 or Fig. 3 can be based.
  • FIG. 5 schematically illustrated embodiment includes the embodiment of Fig. 4 and a detection means feed means indicated generally at 72.
  • the detection means feed device 72 has a preferably flexible connecting line 74, which on the one hand is releasably connectable to the detection means inlet 34 and, on the other hand, is also detachably connectable to a detection means source 76.
  • the detection means source 76 may be, for example, a source of pressurized gas or air, such as a compressor or a pressure vessel.
  • the detection means source 76 is designed such that the pressure of the detection means supplied to the detection means 32 can be controlled, in particular that the detection means 32 is supplied with detection means which has a predetermined pressure or is within a predetermined pressure range.
  • FIG. 6 schematically illustrated embodiment includes the embodiment of Fig. 5 and an extinguishing agent supply means indicated generally at 78.
  • the extinguishing agent supply device 78 comprises a connecting line 80 which, on the one hand, is preferably detachably connectable to the extinguishing agent inlet 14 and, on the other hand, likewise preferably releasably connectable to an external extinguishing agent source 82.
  • the external extinguishant source 82 may be, for example, a container containing pressurized extinguishing agent sized to fill extinguishant conduit sections 12a and 12b and, if present, uncontrolled extinguisher conduit 60 and / or manual extinguisher conduit 66 with extinguishant ,
  • the external extinguishing agent source 82 is also sized so that the extinguishing agent sources 6 can be refilled or completely filled.
  • the external extinguishant source 82 provides extinguishing means at a pressure that has a predetermined pressure or is within a predetermined pressure range.
  • the pressure or pressure range specified for the detection means and the pressure or pressure range specified for the extinguishing agent are the same, so that the pressure in the detection means 32 and the pressure in the extinguishing medium 12 are equal (approximately) or one of the pressures in the other Pressure predetermined pressure range is.
  • extinguishing agent sources 6 filled with pressurized extinguishing agent for example during installation, can be installed in advance become.
  • extinguishing agent of the extinguishing agent sources 6 is used to the Löschstoffitungs Avenue 12a and 12b and possibly the uncontrolled extinguishing agent line 60 and / or the manual extinguishing agent line 66 and, if present, the connection line 26th to fill the pressure gauge with extinguishing agent.
  • the connecting line 50 is filled up to the pressure compensation device 56.
  • the extinguishing agent supply device 78 is connected to the extinguishing agent connection 14 for this filling in order to supply extinguishing agent from the external extinguishing agent source 82 and to avoid removal from the extinguishing agent sources 6.
  • the pressure for the extinguishing agent may, for example, be (about) 8 bar.
  • the detection means supply means 72 is connected to the detection means connection 34 and detection means supplied from the detection means 76.
  • the pressure of the detection means may also be (approximately) 8 bar.
  • the extinguishing agent supply means 78 and the detection means supply means 72 can be removed.
  • the extinguishing agent connection 14 and the detection means connection 34 are preferably designed so that they close the detection medium line 32 and the extinguishing medium line 12 fluid-tight upon removal of the detection means supply means 72 and the extinguishing agent supply means 78.
  • the pressure in the detection means 32 can drop (slightly), for example due to temperature fluctuations and / or production-related and / or installation-related leakage.
  • a pressure drop which is not due to a leak in the region 32a of the detection means 32 due to increased temperature and / or fire in the associated extinguishing area, can be interpreted by the monitoring device 38 as a fault. This would result in fault indication / alerting and possibly deactivation / deactivation of components of the vehicle as described above. This can lead to a warning / alarm, although the pressure drop in the detection means 32 is not so great that it can not fulfill its function.
  • such a (slight) pressure drop in the detection means 32 may cause the extinguishant control means 16 to fluidly connect to the area 12c of the extinguishant conduit 12 and discharge via the extinguishant nozzles 22, although there is no elevated temperature and / or fire in the extinguishing area.
  • the pressure compensation device 56 which, in the event of such a (slight) pressure drop in the detection medium line 32, establishes a fluid connection to the extinguishing medium line 12. Due to the pressure difference between the extinguishing medium line 12 and the detection medium line 32, extinguishing agent is conveyed beyond the pressure compensation device 56 via this fluid connection, possibly also into the detection medium line 32, whereby the pressure there is increased again.
  • the pressure in the extinguishant conduit 12 upstream of the extinguishant control means 16 and the pressure in the detection means 32 is adjusted so that the extinguishant control means 16 does not make any undesired fluid connection to the area 12c of the extinguisher conduit 12.
  • the pressure in the detection means 32 will be less than before.
  • the monitoring device 38 it may be designed so that it takes the now prevailing pressure in the detection means 32 as a target pressure. This can be achieved, for example, by comparing pressure information of the pressure display device 24 and pressure information of the monitoring device 38.
  • one or more leakages occur in the area 32a of the detection medium line 32.
  • This leakage (s) can leak detection means, whereby the pressure in the detection means 32 (strong) drops.
  • This pressure drop in the detection means 32 is intended to cause the extinguishing agent control means 16 to make a fluid connection to the extinguishing nozzles 22 in order to discharge into the extinguishing area via these extinguishing means.
  • a pressure equalization between the extinguishing agent line 12 and the detection means 32 via the connecting line 50 by means of the pressure compensation restriction means 58 is prevented or at least limited so that the pressure drop in the detection means 32, the extinguishing agent control means 18 is activated. Also prevents or at least limits the pressure compensation restriction means 58, the removal of extinguishing agent in the direction of the detection means 32 so that the extinguishing agent control means 16, the extinguishing agent nozzles 22 are supplied with extinguishing agent.
  • At least one leakage, via which extinguishing agent can escape, is formed in the region 60a of the uncontrolled extinguishing medium line.
  • extinguishing agent can be removed via the manual extinguishing agent line 66 by means of the manual syringe 70.

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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)
EP11005606A 2011-07-08 2011-07-08 Dispositif et procédé de lutte contre l'incendie, en particulier à bord des véhicules Withdrawn EP2543415A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11005606A EP2543415A1 (fr) 2011-07-08 2011-07-08 Dispositif et procédé de lutte contre l'incendie, en particulier à bord des véhicules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11005606A EP2543415A1 (fr) 2011-07-08 2011-07-08 Dispositif et procédé de lutte contre l'incendie, en particulier à bord des véhicules

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EP2543415A1 true EP2543415A1 (fr) 2013-01-09

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015099620A1 (fr) * 2013-12-23 2015-07-02 Otokar Otomotiv Ve Savunma Sanayi Anonim Sirketi Système d'extinction d'incendie pour un extérieur de véhicule
CN110538400A (zh) * 2019-10-11 2019-12-06 中国人民警察大学 用于防暴装甲车的车载防护灭火装置
US11883697B2 (en) 2017-05-19 2024-01-30 Carrier Corporation Fire detection inside a transport refrigeration unit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069873A (en) * 1976-04-06 1978-01-24 Mcclure William F Apparatus for fire extinguishing system for floating-roof tanks
US20040134671A1 (en) * 2002-10-16 2004-07-15 Akins Larry W. Ganged fire extinguisher system
DE202005013281U1 (de) * 2005-08-22 2006-01-12 Fogtec Brandschutz Gmbh & Co. Kg Trockenvorgespanntes Löschsystem für Schienenfahrzeuge
WO2006130363A2 (fr) * 2005-05-31 2006-12-07 Kidde Technologies Incorporated Systeme d'extinction de feu de pneumatique et vehicule dote de ce systeme
EP2308567A2 (fr) * 2009-10-08 2011-04-13 Kidde Technologies Inc. Système de lutte contre les incendies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069873A (en) * 1976-04-06 1978-01-24 Mcclure William F Apparatus for fire extinguishing system for floating-roof tanks
US20040134671A1 (en) * 2002-10-16 2004-07-15 Akins Larry W. Ganged fire extinguisher system
WO2006130363A2 (fr) * 2005-05-31 2006-12-07 Kidde Technologies Incorporated Systeme d'extinction de feu de pneumatique et vehicule dote de ce systeme
DE202005013281U1 (de) * 2005-08-22 2006-01-12 Fogtec Brandschutz Gmbh & Co. Kg Trockenvorgespanntes Löschsystem für Schienenfahrzeuge
EP2308567A2 (fr) * 2009-10-08 2011-04-13 Kidde Technologies Inc. Système de lutte contre les incendies

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015099620A1 (fr) * 2013-12-23 2015-07-02 Otokar Otomotiv Ve Savunma Sanayi Anonim Sirketi Système d'extinction d'incendie pour un extérieur de véhicule
US11883697B2 (en) 2017-05-19 2024-01-30 Carrier Corporation Fire detection inside a transport refrigeration unit
CN110538400A (zh) * 2019-10-11 2019-12-06 中国人民警察大学 用于防暴装甲车的车载防护灭火装置

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