WO2019020191A1 - Steuerungseinrichtung zum betrieb eines feuerlöschsystems - Google Patents
Steuerungseinrichtung zum betrieb eines feuerlöschsystems Download PDFInfo
- Publication number
- WO2019020191A1 WO2019020191A1 PCT/EP2017/069117 EP2017069117W WO2019020191A1 WO 2019020191 A1 WO2019020191 A1 WO 2019020191A1 EP 2017069117 W EP2017069117 W EP 2017069117W WO 2019020191 A1 WO2019020191 A1 WO 2019020191A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- extinguishing
- fire
- way valve
- control device
- extinguishing fluid
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/68—Details, e.g. of pipes or valve systems
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/62—Pipe-line systems dry, i.e. empty of extinguishing material when not in use
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
Definitions
- the present invention relates to a control device for operating a fire extinguishing system according to the preamble of claim 1. Furthermore, the present invention relates to an extinguishing nozzle according to claim 10.
- the fire fighting vehicle In a fire extinguishing operation, the fire fighting vehicle is first brought into position and the fire is first fought with extinguishing fluid, which is located in a tank of the fire fighting vehicle. This allows the fire extinguisher to start as soon as possible. At the same time, since the tank allows only a limited volume and thus only a limited time of deletion, a further source of extinguishing fluid is sought. These are usually permanently installed hydrants, creek courses or lakes. These offer an unlimited volume of extinguishing fluid. However, locating and connecting a corresponding source of extinguishing fluid to the fire extinguishing system of the fire fighting vehicle takes some time.
- the fire fighter combats the source of the fire, in which extinguishing fluid is sprayed onto the fire source under high pressure.
- the fire extinguisher nozzle may be actuated such that the extinguishing fluid no longer leaves the fire extinguishing nozzle almost undistorted, but rather an extinguishing fluid wall is formed which protects the firefighter from being affected by flames and / or heat during their retreat , If the fireman is no longer able to form an extinguishing fluid wall due to an abrupt interruption of the extinguishing fluid supply, there is a considerable danger to the life and limb of the firefighter.
- the risk can be increased even more by putting one or more additional extinguishing nozzles, all of which are supplied by a delivery pump from the extinguishing fluid tank, into operation. Because of this, the emptying speed of the extinguishing fluid tank can rise sharply abruptly. In this respect, it can happen that the fire brigade person no longer has the necessary time to form the extinguishing fluid wall.
- Extinguishing fluid is extinguishing water or a mixture of extinguishing water and an additive in the form of foam or the like.
- a control device for operating a fire extinguishing system according to the preamble of claim 1 is known for example from DE 689 02 671 T2.
- This known control device comprises a cable communication system with a communication line positioned in the water hose for a communication link from a standing at the guide end of the water hose firefighter with the operator on the part of the fire truck.
- a speech connection is to be made possible with the cable communication system.
- a receiver and a microphone are housed in the helmet of the firefighter. The firefighter is thus reliant solely on the cable communication with the operator on the part of the fire truck. Consequently, this idea is intended to improve the voice communication between the fire fighter and the operator.
- EP 990 453 A1 shows a fire-extinguishing device with a fire-extinguishing pistol which is connected to a high-pressure device via a hose. Via a three-way valve, the end of the hose opposite the extinguishing gun is connected to two chambers, the one chamber containing foam-free extinguishing water and the other chamber receiving a water-foaming agent mixture. On the extinguishing gun an actuating device is provided, which communicates with an integrated into the hose electrical line with a base.
- G 87 10 073.8 shows a Schaumzumisch réelle for fire fighting with a foam tank, a water tank and an input port for a hydrant, lake or river.
- a change-over valve with a pivotable shut-off flap is provided in the area of the input connection.
- a control device for a fire extinguisher with a mounted inside or on the outside of a fire truck control panel is known. With the control panel, the firefighter can select different modes of operation of the fire extinguisher.
- the control device comprises a device for detecting the pressure of a feed pump connected to the tank. If the tank is empty, a warning signal is issued to the operator on the control panel.
- WO 95/07526 shows an electro-optical device for creating a real mission scene in the field of fire fighting.
- the device includes a video camera that can be housed in the helmet of a firefighter.
- the recorded data is transmitted to a data center.
- the transmitted data with stored data eg. B. exact position data, combined to support the Feuerlöscheinsatzes.
- DE 10 2008 004 785 A1 describes a portable system for the protection and orientation of firefighters in buildings.
- the system includes, among other things, an infrared camera for recording thermal image data and a display device.
- the display device can be used as a head-up display in the helmet Be housed firefighter.
- the data is transmitted directly from the thermal imager to the head-up display by radio.
- a fire extinguisher with a extinguishing agent hose connected extinguishing gun wherein the extinguisher a sensor in the form of a thermal imaging camera or other heat detection device is mounted and the optical axis of the sensor is approximately parallel to the nozzle axis of the extinguishing agent gun.
- the sensor can be connected via an antenna to a receiving device via a radio link.
- the receiving device can be either a display arranged on the extinguishing pistol or an image generating device carried by the firefighter on the helmet, to which the data is transmitted by radio link.
- DE 35 17 284 C2 describes a device for dispensing a mixed with an additive extinguishing agent.
- the device comprises an extinguishing agent gun at the end of a hose line to which a button is arranged, with which the firefighter person operating the firing pistol can directly activate a premixer for adding additive to the extinguishing agent.
- the button is connected to a control device via lines positioned in the hose line.
- the firefighter person standing at the end of the hose line operates a display and operating panel which is connected by radio to a base station located on the firefighting vehicle.
- the display and control panel allows the fire fighter to control the supply of extinguishing agent alone, ie without the help of an additional person located on the fire truck.
- the transmission by radio is often subject to interference that can lead to a significant threat to the firefighter, especially if z. B. a fire is located within a building and reinforced concrete ceilings hinder radio transmission. The fire fighter has to switch off the tank when the tank is empty.
- US 9,220,935 B2 discloses a nozzle for the fire service with a directly provided on the nozzle display for displaying different parameters.
- the display communicates with remote components.
- the display shows on the one hand the water volume in the water tank and on the other hand the water pressure in the supply line to the stationary water reservoir.
- the firefighter knowing the amount of water, is forced to calculate from it the remaining time that elapses until the tank is empty.
- the tank deflation rate may increase suddenly if an additional extinguishing hose is supplied with extinguishing fluid through the tank.
- the firefighter on the first extinguishing fluid hose does not know how intense the consumption of extinguishing fluid will be on the newly commissioned second extinguishing fluid hose.
- the object of the present invention is to provide a new generic control device for operating a fire-extinguishing system which, with simple structural implementation, offers increased safety for the fire-fighter person located at the fire-extinguishing nozzle.
- control device characterized in that the first supply line to the tank and the second supply line to the stationary Loschfluidán are connected to a feed pump upstream multi-way valve, the switching of the extinguishing fluid flow from the tank to the stationary extinguishing fluid can be automated. As a result, it is no longer necessary manoeuvrable that the fire brigade person monitors valves in the supply lines of the feed pump and makes a shutdown of the respective inlets. The switchover can be carried out automatically with the multi-way valve without human intervention as an operator in the process.
- the multi-way valve according to the invention is a pressure-controlled multiway valve.
- the basic position of the multi-way valve connects the feed pump with the tank.
- the multiway valve can be actuated via the pressure in the second supply line to the stationary fluid source at the multiway valve.
- the tank In the basic position of the multi-way valve, the tank is thus first emptied during operation of the fire extinguishing system and, if in the second supply of the specified pressure at the multi-way valve pending, the supply of extinguishing fluid from the tank switched to the stationary extinguishing fluid source.
- the pressure control of the multi-way valve can also be used if the extinguishing fluid originating from the stationary extinguishing fluid source is not under pressure (as in the case of a hydrant), but must be sucked. Conveniently, the switching of the multiway valve takes place at a pressure threshold, which is adjustable.
- the multi-way valve is a multi-way valve whose pressure-dependent switching point is determined by an elastic element, for example a spring, and / or by magnetic means.
- the multi-way valve can also have a motor drive, which can be controlled by the controller when the switching conditions occur.
- the switching position of the multi-way valve in a display located in the area of the extinguishing nozzle or this serving firefighter display can be displayed.
- a return line from the feed pump to the tank can be provided, which makes it possible for a certain percentage of the delivered quantity of extinguishing fluid to be fed back into the tank during the extraction of extinguishing fluid from the stationary extinguishing fluid source, whereby this during the extinguishing operation can be replenished.
- the multi-way valve is connected via control line means with a serving as an operation center controller, the switching position of the multi-way valve can be monitored centrally and / or even controlled if necessary.
- the multi-way valve is advantageously designed as a switching valve.
- the present invention also claimed in juxtaposed, relates to a multi-way valve for a control device for operating a fire extinguishing system with a first extinguishing fluid connection for connection to a extinguishing fluid line to a tank of a fire extinguishing device, in particular a fire fighting vehicle, - a second extinguishing fluid connection for connection an extinguishing fluid line to a stationary extinguishing fluid source in the area of the fire-extinguishing device, in particular the fire-extinguishing vehicle, a third quench fluid port for connection to a quench fluid line to a feed pump.
- FIG. 1 shows a greatly simplified illustration of a typical situation of a fire service when fighting a fire
- Fig. 2 is a highly simplified schematic diagram of a controller according to the present invention.
- Fig. 3 is a highly simplified schematic representation of the area of
- FIG. 4 is a highly simplified schematic representation of the use of a Mehrwegumschaltvenils in the switching position promotion of extinguishing fluid from the tank (Fig. 4a) and in the switching position promotion of extinguishing fluid on the stationary extinguishing fluid source (Fig. 4b), and
- Fig. 5 is a greatly simplified schematic representation of the display in the entrained by the firefighter person display.
- Fig. 1 shows a typical firefighting situation in combating a fire that has broken out in a basement of a building.
- a firefighter goes with the hose 3 in the basement of the building and sets on the extinguishing nozzle 4 Loschfluid for immediate fire fighting.
- the extinguishing fluid is from a in the fire truck 1 located tank. This makes it possible to start immediately after the arrival of the fire fighting vehicle 1 with the fight against the fire.
- an unlimited extinguishing fluid source 2 such. B. a hydrant, a lake 27 or a watercourse. This can take a considerable amount of time.
- an unlimited extinguishing fluid source Once an unlimited extinguishing fluid source has been found, it is connected via a supply line to the fire engine 1.
- the hose 3 located at the source of the fire can then be supplied with extinguishing fluid from the unlimited extinguishing fluid source.
- a plurality of hoses are usually provided in a fire engine 1, which can also be used simultaneously as needed.
- a fire engine 1 which can also be used simultaneously as needed.
- FIG. 1 for the sake of clarity, only a second hose with an extinguishing nozzle arranged at its end is shown. This extinguishing nozzle is operated by another firefighter.
- the firefighter person can set the extinguishing nozzle 4 manually so that the extinguishing fluid releases the extinguishing nozzle 4 with a small opening angle. As a result, a maximum extinguishing effect on the fire can be achieved. However, if the fire spreads despite the fire fighting and threatens the firefighter, the firefighter can manually adjust the extinguishing nozzle 4 so that the extinguishing fluid releases the extinguishing nozzle 4 with a very large opening angle. This allows the firefighter to protect himself from fire and / or high heat and leave the building safely. Both modes of operation of the extinguishing nozzle 4 are shown schematically in FIG. If there is an unforeseen interruption of the supply of extinguishing fluid, the fire brigade person can suddenly reach a life-threatening situation, since they can no longer release extinguishing fluid with a very large opening angle for their protection.
- Fig. 2 shows a simplified schematic diagram representation of the control device according to the invention.
- the components surrounded by the dashed line are preferably in the area of the fire extinguishing device, ie in the area of the fire-fighting vehicle 1.
- the components comprise a controller 1 1 with a plurality of control and / or signal lines (dotted lines), which are in communication with different functional components of the overall system.
- the tank 8 for providing extinguishing fluid directly on the fire fighting vehicle 1 is shown.
- the tank 8 is connected via a first supply line 7 with the feed pump 5, z. B. a centrifugal pump, in conjunction.
- a second supply line 9 is provided which communicates with a supply line and supplies the delivery pump 5 with extinguishing fluid from the stationary extinguishing fluid source 2.
- the multi-way valve 10 thus provides depending on the pressure applied to the second supply line 9 for switching the inflow to the feed pump 5 from the tank 8 the stationary Loschfluidán 2.
- the pressure control 30 of the multi-way valve 10 is shown in Fig. 2 only schematically.
- the hose 3 at the end of which is a portable extinguishing nozzle 4, supplied with extinguishing fluid.
- a portable extinguishing nozzle 4 supplied with extinguishing fluid.
- a plurality of extinguishing nozzles and associated hoses which are supplied with extinguishing fluid via the feed pump 5, can also be provided as required.
- a valve 31, 32 In the area of each supply line to the extinguishing nozzle there is a valve 31, 32, which in each case communicates with the controller 1 1 via a control and / or signal line and can be actuated via the controller 11.
- the output of the feed pump 5 is also connected to a return line 33, via which, also controlled by a connected to the controller 1 1 valve 34, extinguishing fluid of the stationary Loschfluidario 2 can be returned to the tank 8 to replenish it.
- Numeral 29 designates a pump control device or a so-called “pressure governor”, which is able to adapt the pump output to the required discharge quantity of extinguishing fluid, for example by causing a further hose or a further extinguishing nozzle to start a pressure drop , the pumping control means 29 controls the pumping power so as to raise the latter to adjust the discharge pressure of the purge fluid in the respective hose to the previous dimension.
- the controller 1 1 is connected via control line means 12 to a radio device 13 connected to the control line 12 in the region of the extinguishing nozzle 4.
- the control line means 12 can either be attached to the hose 3 on the sheathing or be integrated into the hose wall.
- the control line 12 is preferably an electrical conductor for the transmission of electrical signals, data and / or power.
- the radio device is preferably a radio module for data transmission between transmitter and receiver over a short distance, such as WPAN or WLAN. These Type of radio transmission technology aims to cover preferably the work area around the radio device 13 around.
- one of the extinguishing nozzle 4 serving firefighter mitzu- leading radio device 14 is provided, which is able to receive the radio 13 emitted by the radio signals 15 and in one of the extinguishing nozzle 4 serving firefighter mitologieden display 16, preferably in shape a head-up display.
- a data transmission is made only in one direction, as illustrated by the apparent from Fig. 2 direction arrow of the radio signals 15.
- the display 16 is designed as a head-up display in the helmet 6 of the firefighter, this provides the firefighter in the field with particularly good visibility in relation to information originating from the operations center, especially under often difficult conditions Sehitz- sen, the z. B. due to poor lighting conditions, smoke, soot or the like.
- a (not shown) battery can be provided at the extinguishing nozzle 4 or in the area thereof.
- the radio device 13 via the control means 12 or via (also not shown) additional electrical energy-carrying conduit means which also run in or on the tube 3, are supplied with electrical energy.
- the information displayed in the display 16, preferably at the same time can be displayed in a display 17 of the fire-extinguisher or of the fire-extinguishing vehicle 1, so that the operator at the fire Wehrhus at the same time sees the firefighter at the extinguishing nozzle 4 transmitted data or information.
- FIG. 3 shows a further embodiment of the communication bridge between the extinguishing nozzle 4 and the display 16.
- a data interface 18 may additionally be provided, which additionally allows a cable connection to be made from the control line 12 to the display 16.
- at least one, preferably two plug-in contact connections 18a, 18b may be provided as data interface 18.
- the additional data interface 18 merely serves as a backup position for the emergency.
- a (not shown in Fig. 3) energy source eg. B. a rechargeable battery connected.
- the inventively short radio transmission bridge in the area of the extinguishing nozzle 4 makes it possible in a simple manner to provide the additional data transmission via a communication cable 19 as a backup position.
- the invention also makes it possible to set up bidirectional data transmission between the first and second radio devices 13 and 14.
- voice files can also be transmitted both from the firefighter person operating the extinguishing nozzle 4 to the controller 1 1 and / or voice files from the firefighter on the controller 1 1 to the firefighter at the extinguishing nozzle 4.
- the pressure causes a switching of the multi-way valve 10 from that shown in Fig. 4a in the switching position shown in Fig. 4b.
- the pump 26 may be expedient, if necessary, for the pump 26 to set the pressure arising in the second inlet 9 to the required pressure or pressure range.
- the pump 26 is particularly important if no hydrant 28, but only a body of water such. As a lake 27, is available. In this case, it is often the case that the water surface of the lake is lower than the fire fighting vehicle 1, so that the pressure conditions in the second supply line 9 are influenced by actuation of the pump 26 so that the extinguishing water from the lake 27 can reach the delivery pump 5 via the multiway valve 10 ,
- an elastic element 25 e.g. a spring, be provided, by means of which the multi-way valve 10 is held biased in the switching position shown in Fig. 4a.
- a (not shown) magnetic element may be provided for pressure control of the multi-way valve 10.
- FIG. 5 shows the display 16, preferably a head-up display, in the helmet 6 of the firefighter.
- the display 16 may expediently reproduce the following information individually or in any desired combination:
- a status indication 22 relating to the existence of a delivery connection of extinguishing fluid from the stationary extinguishing fluid source 2 to the fire extinguisher
- a status indication 22 relating to the non-existence of a delivery connection of extinguishing fluid from the stationary extinguishing fluid source 2 to the fire extinguisher
- a status indication 23 relating to the existence and / or non-existence of a radio connection and / or an alarm signal 24 and / or the switching position of the multiway valve 10.
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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)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2017/069117 WO2019020191A1 (de) | 2017-07-28 | 2017-07-28 | Steuerungseinrichtung zum betrieb eines feuerlöschsystems |
CA3070114A CA3070114A1 (en) | 2017-07-28 | 2017-07-28 | Control device for operating a fire extinguisher system |
US16/633,521 US11738222B2 (en) | 2017-07-28 | 2017-07-28 | Control device for operating a fire extinguisher system |
AU2017424706A AU2017424706B2 (en) | 2017-07-28 | 2017-07-28 | Control device for operating a fire extinguisher system |
JP2020526672A JP6968998B2 (ja) | 2017-07-28 | 2017-07-28 | 消火システムを動作させるための制御装置 |
EP17752317.2A EP3634586A1 (de) | 2017-07-28 | 2017-07-28 | Steuerungseinrichtung zum betrieb eines feuerlöschsystems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2017/069117 WO2019020191A1 (de) | 2017-07-28 | 2017-07-28 | Steuerungseinrichtung zum betrieb eines feuerlöschsystems |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019020191A1 true WO2019020191A1 (de) | 2019-01-31 |
Family
ID=59631729
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2017/069117 WO2019020191A1 (de) | 2017-07-28 | 2017-07-28 | Steuerungseinrichtung zum betrieb eines feuerlöschsystems |
Country Status (6)
Country | Link |
---|---|
US (1) | US11738222B2 (de) |
EP (1) | EP3634586A1 (de) |
JP (1) | JP6968998B2 (de) |
AU (1) | AU2017424706B2 (de) |
CA (1) | CA3070114A1 (de) |
WO (1) | WO2019020191A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11439856B2 (en) | 2019-08-14 | 2022-09-13 | Akron Brass Company | Fire-fighting control system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11480266B2 (en) * | 2019-01-09 | 2022-10-25 | Wisys Technology Foundation, Inc. | Water valve heater for firetrucks and the like |
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- 2017-07-28 EP EP17752317.2A patent/EP3634586A1/de active Pending
- 2017-07-28 JP JP2020526672A patent/JP6968998B2/ja active Active
- 2017-07-28 US US16/633,521 patent/US11738222B2/en active Active
- 2017-07-28 WO PCT/EP2017/069117 patent/WO2019020191A1/de unknown
- 2017-07-28 AU AU2017424706A patent/AU2017424706B2/en active Active
- 2017-07-28 CA CA3070114A patent/CA3070114A1/en active Pending
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DE202015002738U1 (de) | 2015-04-16 | 2015-05-12 | Hne Technologie Ag | Sensorsteuerbares Feuerlöschgerät |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11439856B2 (en) | 2019-08-14 | 2022-09-13 | Akron Brass Company | Fire-fighting control system |
US11998780B2 (en) | 2019-08-14 | 2024-06-04 | Akron Brass Company | Fire-fighting control system |
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AU2017424706A1 (en) | 2020-02-06 |
CA3070114A1 (en) | 2019-01-31 |
JP6968998B2 (ja) | 2021-11-24 |
JP2020528811A (ja) | 2020-10-01 |
US20200230452A1 (en) | 2020-07-23 |
AU2017424706B2 (en) | 2024-02-01 |
US11738222B2 (en) | 2023-08-29 |
EP3634586A1 (de) | 2020-04-15 |
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