EP1332773B1 - Verfahren zur Steuerung von stationären Löschanlagen - Google Patents

Verfahren zur Steuerung von stationären Löschanlagen Download PDF

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Publication number
EP1332773B1
EP1332773B1 EP03001701A EP03001701A EP1332773B1 EP 1332773 B1 EP1332773 B1 EP 1332773B1 EP 03001701 A EP03001701 A EP 03001701A EP 03001701 A EP03001701 A EP 03001701A EP 1332773 B1 EP1332773 B1 EP 1332773B1
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EP
European Patent Office
Prior art keywords
fire
fighting
detectors
extinguishing
alarm
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
EP03001701A
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German (de)
English (en)
French (fr)
Other versions
EP1332773A1 (de
Inventor
Hauke Dipl.-Ing. Dittmer
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.)
Minimax GmbH and Co KG
Original Assignee
Minimax GmbH and Co KG
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 Minimax GmbH and Co KG filed Critical Minimax GmbH and Co KG
Publication of EP1332773A1 publication Critical patent/EP1332773A1/de
Application granted granted Critical
Publication of EP1332773B1 publication Critical patent/EP1332773B1/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
    • 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
    • A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone

Definitions

  • the present invention relates to a method for controlling stationary extinguishing systems, in particular for controlling extinguishing devices, which are operated with liquid or gaseous extinguishing agents.
  • Essential components of stationary extinguishing systems are, in addition to the extinguishing devices for liquid or gaseous extinguishing agents, the fire detection devices in the center of the invention for controlling extinguishing equipment.
  • Fire extinguishers have an extinguishing agent reservoir with liquid or gaseous extinguishing agents, which is connected via a more or less branched piping system with the surveillance area (building, warehouse, etc.) of the extinguishing system.
  • the release of the extinguishing agent is carried out by means of extinguishing nozzles, the design of which is specially designed for the extinguishing task.
  • This task is performed by fire alarm systems, which are usually equipped with detectors for the early detection of different fire characteristics.
  • One or more detectors are housed in fire detectors, which are often connected via signal lines (reporting lines) with a fire alarm panel.
  • Fire alarm systems are usually constructed from a variety of robust fire detectors. The detectors react to the generation or change of measurable fire parameters such as temperature, radiation, aerosols or a fire characterizing gases.
  • the incoming measuring signals of the fire detectors are processed from the monitoring area of the extinguishing system and, in the event of an alarm, corresponding control commands are transmitted to the extinguishing device.
  • fire parameters is intended to summarize all physical or chemical changes of state parameters that are essentially caused by a fire and that can be detected by sensor elements or detectors in the monitoring area of a fire alarm device.
  • fire parameters are such parameters as ambient temperature, gas composition (smoldering or combustion gases), the density of optically detectable smoke or soot particles (aerosols) and emanating from fires electromagnetic radiation in different wavelengths.
  • Stationary extinguishing systems are successfully used in many areas of fire protection of buildings, facilities or in the storage of goods for automatic fire fighting.
  • the fire detectors In order to be able to detect the formation of a fire at an early stage, the fire detectors should be located on the one hand as close as possible to a possible place of origin of fires, on the other hand, however, the local conditions must also be considered.
  • False alarms are often triggered by uncritical or process-related sources of smoke aerosols or gases. Even a temperature increase in the environment of a heat detector, which can not be attributed to an incipient fire, can lead to a false alarm.
  • the fire extinguishing agent supply is often consumed without interruption after a fire alarm has been triggered and the extinguishing process has been activated.
  • a fire detection device comprising one or more fire detectors with at least one detector out, the detectors detect the same or different fire characteristics and exceeding one or more presettable Alarm thresholds of the detected fire parameters trigger an alarm message that activates the extinguishing device.
  • Out DE 2344908 C2 discloses a method for the automatic notification and extinguishing of fires, in which the fire extinguisher is first activated and operated after a flame message is present, which must have been preceded by two smoke messages or a heat message.
  • the persistence of the flames should be checked at certain intervals by a flame detector and the extinguishing agent delivery either maintained or turned off.
  • DE19952327 A1 discloses a fire sensor and a method of detecting a fire, wherein the smoke signal emitted by the fire sensor is additionally corrected by the correlating current outside temperature and the temperature rise speed.
  • the likelihood of a false alarm should be reduced and at the same time an early alarm triggering should be achievable.
  • GB 2 188 725 describes a detector and a detection system in which the sensitivity of the signal strength dependence is adjusted while being adjusted for smoke or smoke density. It can not be deduced from the document that the detector is to be used in connection with the activation of an extinguishing device and reacts to quantities which are directly related to the extinguishing procedure.
  • the method should make it possible to generate well-evaluable and suitable for controlling the extinguishing device in spite of changing fire conditions in changing environmental conditions of the fire detector and to use for effective control of the deletion process.
  • the extinguishing method according to the invention is characterized in that the detectors of the fire detectors after the first safe detection of a fire by exceeding one or more preset alarm thresholds are switched to an increased sensitivity level. This makes it possible to continue to effectively detect the fire despite smoke or vapor formation by evaporating extinguishing agent and other disturbing influences.
  • the method can be used particularly advantageously using infrared detectors as sensitive flame detectors in the fire detectors.
  • the heat radiation occurring during fires can still be reliably detected by the inventive increase in the sensitivity of an infrared detector, even when caused by the fire reduction in the permeability of its ambient air. Furthermore, it is envisaged to make a local selection of the detectors to be converted to a higher sensitivity following the progress of the fire.
  • the control takes place via the temporal behavior of the fire parameters.
  • An advantageous development of the method according to the invention consists in the possibility of setting the switching processes (signal evaluation of the detectors) to increase the sensitivity of the detectors at a selectable time interval after the detection of the beginning of the fire.
  • the individual switching operations of the detectors to a higher sensitivity level This is done by a control unit located in the fire detectors or by the fire alarm control panel.
  • the measured data transmitted by the detectors are used for the current local fire development.
  • the local or spatial selection of the switches to be switched to increased sensitivity takes place after evaluation and taking into account the measured data transmitted to the fire alarm control panel.
  • the fire detectors can be arranged at different locations and one of the structure of the expected fire risk potential corresponding orientation, which can be the fire during the deletion process continuously analyzed from several directions.
  • a further advantageous embodiment of the invention consists in the additional arrangement of a detector element in one or more fire detectors for monitoring the continuous extinguishing agent use.
  • a fire extinguishing sufficient extinguishing agent use is detected by this additional element and generates a clear stop signal for automatic shutdown of the extinguishing device.
  • a further advantageous embodiment of the invention is associated with the known method of cyclic extinguishing agent application with controlled extinguishing agent delivery.
  • the sensitivity of the detectors is tracked in the event of a fire, an accurate image of the current fire progression, which corresponds to the current measured data, is produced.
  • a presettable extinguishing cycle is triggered.
  • the parameter settings for the post-erase cycle such as erase duration and
  • the amount of extinguishing agent depends on the degree of endangerment of the objects to be protected.
  • Fig. 1 shows the basic structure of a stationary extinguishing system, with an extinguishing device 1 and a fire detection device 2, which in particular includes a plurality of fire detectors 4 and their signal lines 13 and their essential elements are arranged in the monitoring area 3.
  • the extinguishing device 1 has an extinguishing agent supply, which may consist of several compressed gas cylinders in gas extinguishing equipment, for example, and a more or less branched piping network for transporting the extinguishing agent to the fire in the surveillance area.
  • the trigger mechanism for the deletion process for example an alarm valve station, is connected via signal lines 13 to a fire alarm device 2.
  • the fire detection device 2 include one or more fire detectors 4, in turn, one or more detectors 5,6 the same or different types are integrated.
  • the detectors 5, 6 are preferably designed as optical radiation detectors whose radiation sensitivity lies in the infrared or ultraviolet wavelength range.
  • control unit 7 for the extinguishing device 1 and the detectors 5, 6 are integrated into the fire detector 4.
  • the fire detector 4 is connected via signal lines 13 to the extinguishing device 1 ( Fig. 2 ).
  • the amplifier circuits 11, 12 of the detectors 5, 6 are adapted to the ambient conditions of the fire detector.
  • This adaptation (temperature compensation, resting value tracking) can be realized, for example, with the aid of digital / analog converters, which are controlled by the control unit 7 of the fire detector 4.
  • the fire detector 4 transmits an alarm signal to the extinguishing device 1 and activates the automatic deletion process.
  • the detectors 5, 6 can expediently be arranged individually or jointly in a fire detector 4 and detect identical or different fire characteristics (type A or type B).
  • the detectors After activation of the extinguishing device 1, the detectors are 5.6 set by means of amplifiers 11,12 to a higher sensitivity.
  • the erase process can thus consist of a plurality of erase cycles 15 and is continued until the detectors of the fire detectors no longer detect fire.
  • the fire detectors 4 After detection of the fire end, the fire detectors 4 transmit no further trigger signals to the extinguishing device 1 and the deletion process is deactivated after the expiry of a preset extinguishing time.
  • the preset post-extinguishing time 15 is activated by means of the clear-stop signal generated by the control unit 7.
  • the detectors are reset by means of amplifier 11,12 back to normal (default) sensitivity.
  • the fire alarm device 2 in particular its fire detector 4 may additionally be equipped with another suitable detector element 10 for monitoring the use of extinguishing agent in case of fire.
  • An extinguishing agent is sufficient if, for example, in a gas extinguishing device, the quenching gas concentration (CO 2 content) is high enough to stifle the fire.
  • a CO 2 sensor can be used in a CO 2 extinguishing system or an O 2 sensor in a gas extinguishing system.
  • the extinguishing stop signal of the detector element 10 is either processed in the control unit 7 of the fire detector 4 or in a fire control panel 8 and transmitted to the extinguishing device 1.
  • the extinguishing method according to the invention has the particular advantage that the extinguishing agent used is very targeted and adapted to the fire course.
  • the continuous or incremental increase in the sensitivity of detectors of the fire detector after the first alarm triggering allows a differentiated assessment of the real fire occurrence.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire Alarms (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
  • Control Of Eletrric Generators (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP03001701A 2002-02-04 2003-01-27 Verfahren zur Steuerung von stationären Löschanlagen Expired - Lifetime EP1332773B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10204384 2002-02-04
DE10204384A DE10204384C1 (de) 2002-02-04 2002-02-04 Verfahren zur Steuerung von stationären Löschanlagen

Publications (2)

Publication Number Publication Date
EP1332773A1 EP1332773A1 (de) 2003-08-06
EP1332773B1 true EP1332773B1 (de) 2009-05-06

Family

ID=7713629

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03001701A Expired - Lifetime EP1332773B1 (de) 2002-02-04 2003-01-27 Verfahren zur Steuerung von stationären Löschanlagen

Country Status (7)

Country Link
US (1) US6788208B2 (pt)
EP (1) EP1332773B1 (pt)
CN (1) CN1325133C (pt)
AT (1) ATE430604T1 (pt)
DE (2) DE10204384C1 (pt)
ES (1) ES2324985T3 (pt)
PT (1) PT1332773E (pt)

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KR100523047B1 (ko) * 2003-06-25 2005-10-24 신창 디지털 방재 주식회사 디지털 무선통신을 이용한 방재시스템
US7567182B2 (en) * 2004-06-03 2009-07-28 Honeywell International Inc. Acoustic fire sensing system
US7733234B2 (en) * 2005-05-16 2010-06-08 Tony Chavers Montgomery Microprocessor operated, portable early fire detection and prevention device
DE102006055617A1 (de) * 2006-11-24 2008-05-29 Funa Gmbh Brandschutzsysteme für technische Anlagen
CN102294100B (zh) * 2010-06-28 2016-08-03 陕西兰德森茂消防科技有限公司 灭火控制装置
CN102294099B (zh) * 2010-06-28 2016-08-03 陕西兰德森茂消防科技有限公司 灭火控制系统
KR101073076B1 (ko) * 2011-06-10 2011-10-12 주식회사 창성에이스산업 복합카메라를 이용한 화재감시 시스템 및 방법
EP2919864B1 (en) * 2012-11-13 2021-12-29 Marioff Corporation Oy Sound and light analysis for fire location detection
CN103018275B (zh) * 2013-01-21 2014-08-13 公安部天津消防研究所 一种需要洒水密度性能测试装置
EP2896432B1 (de) * 2014-01-17 2016-05-25 Minimax GmbH & Co KG Verfahren und Anlage zum Löschen mit einem flüssigem synthetischem Löschmittel
US10311444B1 (en) 2017-12-02 2019-06-04 M-Fire Suppression, Inc. Method of providing class-A fire-protection to wood-framed buildings using on-site spraying of clean fire inhibiting chemical liquid on exposed interior wood surfaces of the wood-framed buildings, and mobile computing systems for uploading fire-protection certifications and status information to a central database and remote access thereof by firefighters on job site locations during fire outbreaks on construction sites
US10332222B1 (en) 2017-12-02 2019-06-25 M-Fire Supression, Inc. Just-in-time factory methods, system and network for prefabricating class-A fire-protected wood-framed buildings and components used to construct the same
US10290004B1 (en) 2017-12-02 2019-05-14 M-Fire Suppression, Inc. Supply chain management system for supplying clean fire inhibiting chemical (CFIC) totes to a network of wood-treating lumber and prefabrication panel factories and wood-framed building construction job sites
US11395931B2 (en) 2017-12-02 2022-07-26 Mighty Fire Breaker Llc Method of and system network for managing the application of fire and smoke inhibiting compositions on ground surfaces before the incidence of wild-fires, and also thereafter, upon smoldering ambers and ashes to reduce smoke and suppress fire re-ignition
US10430757B2 (en) 2017-12-02 2019-10-01 N-Fire Suppression, Inc. Mass timber building factory system for producing prefabricated class-A fire-protected mass timber building components for use in constructing prefabricated class-A fire-protected mass timber buildings
US10653904B2 (en) 2017-12-02 2020-05-19 M-Fire Holdings, Llc Methods of suppressing wild fires raging across regions of land in the direction of prevailing winds by forming anti-fire (AF) chemical fire-breaking systems using environmentally clean anti-fire (AF) liquid spray applied using GPS-tracking techniques
US11836807B2 (en) 2017-12-02 2023-12-05 Mighty Fire Breaker Llc System, network and methods for estimating and recording quantities of carbon securely stored in class-A fire-protected wood-framed and mass-timber buildings on construction job-sites, and class-A fire-protected wood-framed and mass timber components in factory environments
US10260232B1 (en) 2017-12-02 2019-04-16 M-Fire Supression, Inc. Methods of designing and constructing Class-A fire-protected multi-story wood-framed buildings
US10814150B2 (en) 2017-12-02 2020-10-27 M-Fire Holdings Llc Methods of and system networks for wireless management of GPS-tracked spraying systems deployed to spray property and ground surfaces with environmentally-clean wildfire inhibitor to protect and defend against wildfires
US10695597B2 (en) 2017-12-02 2020-06-30 M-Fire Holdings Llc Method of and apparatus for applying fire and smoke inhibiting compositions on ground surfaces before the incidence of wild-fires, and also thereafter, upon smoldering ambers and ashes to reduce smoke and suppress fire re-ignition
US11865394B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean biodegradable water-based concentrates for producing fire inhibiting and fire extinguishing liquids for fighting class A and class B fires
US11865390B2 (en) 2017-12-03 2024-01-09 Mighty Fire Breaker Llc Environmentally-clean water-based fire inhibiting biochemical compositions, and methods of and apparatus for applying the same to protect property against wildfire
US11826592B2 (en) 2018-01-09 2023-11-28 Mighty Fire Breaker Llc Process of forming strategic chemical-type wildfire breaks on ground surfaces to proactively prevent fire ignition and flame spread, and reduce the production of smoke in the presence of a wild fire
CN112154489A (zh) * 2018-09-28 2020-12-29 报知机股份有限公司 可移动式的烟检测装置和烟产生位置的确定方法
US11911643B2 (en) 2021-02-04 2024-02-27 Mighty Fire Breaker Llc Environmentally-clean fire inhibiting and extinguishing compositions and products for sorbing flammable liquids while inhibiting ignition and extinguishing fire
CN111729222A (zh) * 2020-06-18 2020-10-02 速博达(深圳)自动化有限公司 防爆灭火装置
CN112295139B (zh) * 2020-10-27 2022-02-01 烟台创为新能源科技股份有限公司 一种非储压式智能控制喷射灭火剂药量的方法

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Also Published As

Publication number Publication date
DE50311486D1 (de) 2009-06-18
CN1325133C (zh) 2007-07-11
CN1456371A (zh) 2003-11-19
EP1332773A1 (de) 2003-08-06
ES2324985T3 (es) 2009-08-21
ATE430604T1 (de) 2009-05-15
US6788208B2 (en) 2004-09-07
US20030146843A1 (en) 2003-08-07
PT1332773E (pt) 2009-06-26
DE10204384C1 (de) 2003-07-17

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