EP1500412B1 - Vorrichtung zur Brandbekämpfung in einem Kraftfahrzeug insbesondere Nutzfahrzeug - Google Patents

Vorrichtung zur Brandbekämpfung in einem Kraftfahrzeug insbesondere Nutzfahrzeug Download PDF

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Publication number
EP1500412B1
EP1500412B1 EP20040015011 EP04015011A EP1500412B1 EP 1500412 B1 EP1500412 B1 EP 1500412B1 EP 20040015011 EP20040015011 EP 20040015011 EP 04015011 A EP04015011 A EP 04015011A EP 1500412 B1 EP1500412 B1 EP 1500412B1
Authority
EP
European Patent Office
Prior art keywords
cooling system
fire
vehicle
valve
pressure
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.)
Expired - Lifetime
Application number
EP20040015011
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1500412A1 (de
Inventor
Andreas Eberle
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.)
MAN Truck and Bus SE
Original Assignee
MAN Nutzfahrzeuge AG
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 MAN Nutzfahrzeuge AG filed Critical MAN Nutzfahrzeuge AG
Publication of EP1500412A1 publication Critical patent/EP1500412A1/de
Application granted granted Critical
Publication of EP1500412B1 publication Critical patent/EP1500412B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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 a device for firefighting in a motor vehicle, in particular commercial vehicle with an extinguishing liquid held in readiness, a pressure source and a spraying device, via which an extinguishing medium, in particular extinguishing liquid is brought to the fire site by the pressure of the pressure source.
  • the object of the invention is to provide a device of the type mentioned, with which at low cost, a rapid and safe fire fighting is achieved in the vehicle.
  • the delivery pressure with which the pressure medium, in particular the extinguishing liquid is brought to the fire supplied by an already provided for driving in the vehicle operating and provided in one or more air tanks operating pressure air.
  • the Extinguishing liquid is acted upon by the delivery pressure generated by the operating pressure air and transported to the spraying device, which has one or more spray nozzles.
  • the extinguishing liquid used is preferably the cooling liquid present in the engine cooling system. As a result, an additional container for the extinguishing liquid is unnecessary. This space and weight in the vehicle, especially commercial vehicle, can be saved.
  • the amount of coolant in a commercial vehicle is approximately 50 to 60 l.
  • This fire fighting can be realized with relatively little effort by a control device having controlled valves.
  • the valves present in the control device are switched to passage, as a result of which the delivery pressure delivered by the operating compressed air acts on the extinguishing liquid, in particular cooling liquid.
  • the valves can be brought into the open position by a control pressure caused by the operating compressed air, so that the extinguishing liquid, in particular cooling liquid, is passed on to the spraying device.
  • the control device may be designed in such a way that the cooling liquid removed from the cooling system is delivered directly to the spraying device at the fire location via an open valve or a plurality of valves open.
  • the cooling liquid in the cooling system is acted upon with a pressure of about 1 to 3 bar, this pressure is optionally formed via a pressure reducer from the operating pressure air.
  • cooling liquid for example at 1 to 2 bar
  • the maximum delivery pressure supplied by the operating compressed air which may be about 8 to 10 bar
  • the delivery pressure may also be generated by an on-board electric pump powered by the stored energy present at the location of the vehicle. Also, the extinguishing liquid can be kept in standby in a separately carried container.
  • the spray nozzles may be provided with dust caps, which fall off when the nozzles are pressurized with the pressurized liquid.
  • the illustrated embodiments have a spraying device 8 in the form of a plurality of spray nozzles, which are directed into fire risk areas of the motor vehicle, in particular in an engine compartment 22.
  • the spray nozzles of the spraying device 8 are particularly suitable for fire hazard engine locations, e.g. directed the turbocharger.
  • the spray nozzles of the spraying device 8 can be connected to an engine cooling system 3 via a control device, which will be explained later.
  • Fig. 1 or Fig. 2 are connected.
  • the cooling systems 3 of the embodiments are connected in a known manner via cooling lines 23 to the engine.
  • an operating pressure air D in the illustrated exemplary embodiments for forming the delivery pressure D (FIG. Fig. 1 ) or D1 and D2 ( Fig. 2 ), which is available as on-board compressed air in large quantities in several air tanks used.
  • an actuating valve 1 is provided for this purpose, which in the normal vehicle operation in Fig. 1 shown position occupies.
  • the cooling system 3 or its radiator is connected via an air line 24 and a vent channel of a controllable valve 6 with a vent point E2 and vented.
  • the actuating valve 1 is actuated so that the operating pressure air D is connected via a pressure reducer 2 in an upper, in particular highest point of confluence 25 to the cooling system 3.
  • the pressure reducer 2 is for this purpose connected via an air line 4 to the outlet point 25 on the cooling system 3.
  • the relatively high pressure of the operating pressure air D is reduced to a permissible for the cooling system 3 pressure of for example 1 to 3 bar. This pressure is sufficient to supply cooling liquid through the liquid line 5 of the spray device 8.
  • the pressure supplied by the operating pressure air D is passed through an air line 7 to the valve 6, so that this from the in the FIG. 1 shown closed position is brought into a passage position.
  • the adjustment of the valve 6 takes place against the force of a spring, through which the valve in the in Fig. 1 is biased illustrated starting position.
  • opening the valve 6 a direct connection of the cooling liquid of the cooling system 3 via the thus opened liquid line 5 to the nozzles of the spray 8.
  • actuating valve 1 To open the actuating valve 1, this can be manually or electrically operated.
  • the actuation can also be carried out as a function of a fire alarm (temperature detector) or a corresponding temperature-sensitive sensor.
  • a warning light can be provided on the instrument panel to cause the driver to operate the valve, for example by means of a pushbutton provided in range or the like.
  • a container 27 is provided between the cooling system 3 and the spray device 8, in which in case of fire, the cooling liquid is introduced at a relatively low discharge pressure and passed with a high discharge pressure to the spray device 8.
  • the actuating valve 1 is connected via a control valve 19 and a line 9 to the top of the container 27 for venting the container 27.
  • the line 9 is connected via a vent channel of the actuating valve 1 with a vent point E1.
  • a valve 21 is pressed by spring force in a rest position.
  • one of a pressure reducer 2 to the overhead discharge point 25 on the cooling system 3 leading air line 11 is prevented.
  • a part of the air duct 11, which is connected to the cooling system 3, is connected to a venting point 21 in the rest position of the valve 21 via a venting channel in the valve 21.
  • the cooling system 3 is vented.
  • valve 21 Due to the rest position of the valve 21 is further a fluid communication, which is formed by liquid lines 10, 12 between the cooling system 3 and the container 27, interrupted.
  • the liquid line 12 is connected to the bottom of the cooling system 3 connection point 26, for example, to the radiator.
  • a located between the container 27 and the spray 8 in liquid lines 16 and 17 valve 20 is in the in Fig. 2 shown rest position also closed.
  • the actuation valve 1 which is at rest is adjusted manually or automatically, for example due to sensor signals coming from the engine compartment, so that the operating compressed air D1 is connected to the control device for supplying the cooling fluid of the cooling system 3 as extinguishing agent to the spray device 8.
  • the valve 19 is further actuated mechanically or electrically, for example, as a result of a measuring level sensor 15 and the empty container 27 indicative signal that the crossed valve channels the operating pressure air D1 with a valve 21 guided air duct 13 and the vent point E1 with the connect into the container 27 guided air duct 9.
  • the container 27 is thus filled until a further signal is output from the level sensor 15, which indicates the filling of the container 27.
  • the control valve 19 in the in the Fig. 2 shown rest position brought back.
  • the container 27 is acted upon via the air line 9 and delayed by a throttle 18 in the air line 9 with the pressure of the operating pressure air D1.
  • the valve 20 Via a line 14, which is branched off from the line 9, the valve 20 is switched against the rest position producing spring force on passage.
  • the valve 21 is simultaneously connected via the air line 13 to the vent point E1, so that the valve 21 in the in the Fig. 2 shown rest position returns.
  • the liquid lines 10 and 12 are separated from each other, so that no liquid can flow back from the container 27 into the cooler of the cooling system 3.
  • the pressure reducer 4 is separated from the radiator of the cooling system 3 and the radiator to the exhaust point E2, as it is in Fig. 2 is shown connected via the air line 11.
  • the sensor 15 When the container 27 is substantially emptied, the sensor 15 outputs a signal through which, as already explained above, the control valve 19 is introduced with the crossed valve channels in the air ducts 9 and 13. It then repeats the above-explained filling process of the container 27 with subsequent emptying via the spray 8.
  • control valve 19 For controlling the control valve 19 may be provided a mechanical device, such as a float with mechanical connection to the control valve 19. Furthermore, a valve which acts with control pressure on the control valve 19 is suitable. In addition, the control valve 19 can be operated electrically or electromagnetically, due to an electrical signal of the level sensor 15.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
EP20040015011 2003-07-23 2004-06-25 Vorrichtung zur Brandbekämpfung in einem Kraftfahrzeug insbesondere Nutzfahrzeug Expired - Lifetime EP1500412B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10333382 2003-07-23
DE2003133382 DE10333382B4 (de) 2003-07-23 2003-07-23 Vorrichtung zur Brandbekämpfung in einem Kraftfahrzeug insbesondere Nutzfahrzeug

Publications (2)

Publication Number Publication Date
EP1500412A1 EP1500412A1 (de) 2005-01-26
EP1500412B1 true EP1500412B1 (de) 2009-12-16

Family

ID=33483024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20040015011 Expired - Lifetime EP1500412B1 (de) 2003-07-23 2004-06-25 Vorrichtung zur Brandbekämpfung in einem Kraftfahrzeug insbesondere Nutzfahrzeug

Country Status (3)

Country Link
EP (1) EP1500412B1 (es)
DE (2) DE10333382B4 (es)
ES (1) ES2335882T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2489410A1 (de) 2011-02-17 2012-08-22 Minimax GmbH & Co KG Schutzvorrichtung mit einem Druckbehälter

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005035994A1 (de) 2005-08-01 2007-02-08 GM Global Technology Operations, Inc., Detroit Sicherheitssystem in einem Kraftfahrzeug
DE102005051214A1 (de) * 2005-10-26 2007-05-03 Man Nutzfahrzeuge Ag Kühlwasserlöschanlage
DE102009053551A1 (de) * 2009-11-18 2011-05-19 Fogtec Brandschutz Gmbh & Co. Kg Brandbekämpfungssystem für ein Schienenfahrzeug
DE102018000096B4 (de) 2018-01-09 2024-03-21 Bundesrepublik Deutschland, vertr. durch das Bundesministerium der Verteidigung, vertr. durch das Bundesamt für Ausrüstung, Informationstechnik und Nutzung der Bundeswehr Verfahren zur Branddetektion in Triebwerkräumen
CN113304419A (zh) * 2021-06-03 2021-08-27 中消盾科技有限公司 一种汽车自燃灭火装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4411281B4 (de) * 1994-03-31 2004-07-22 Daimlerchrysler Ag Kraftfahrzeug mit einer Klimaanlage
US5918679A (en) * 1997-10-14 1999-07-06 Cramer; Frank B. Fire safety system
DE19915048A1 (de) * 1999-04-01 2000-10-05 Egelhof Fa Otto Fahrzeugklimaanlage
DE29918850U1 (de) * 1999-10-27 2000-04-06 Hollik Eckhard Fahrzeug-Feuerlöscheinrichtung
US6334490B1 (en) * 2000-06-07 2002-01-01 Tommy A. Dille Passenger and cargo area safety system for vehicles
DE10153611A1 (de) * 2001-11-02 2003-05-22 Bauer Thomas Automatische Reifenlöschanlage für Kraftfahrzeuge

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2489410A1 (de) 2011-02-17 2012-08-22 Minimax GmbH & Co KG Schutzvorrichtung mit einem Druckbehälter

Also Published As

Publication number Publication date
EP1500412A1 (de) 2005-01-26
DE502004010508D1 (de) 2010-01-28
ES2335882T3 (es) 2010-04-06
DE10333382B4 (de) 2012-04-12
DE10333382A1 (de) 2005-02-10

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