EP1475761A1 - Dispositif pour l'inspection visuelle d'un detecteur de fumeé dans un aeronef - Google Patents

Dispositif pour l'inspection visuelle d'un detecteur de fumeé dans un aeronef Download PDF

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Publication number
EP1475761A1
EP1475761A1 EP04008031A EP04008031A EP1475761A1 EP 1475761 A1 EP1475761 A1 EP 1475761A1 EP 04008031 A EP04008031 A EP 04008031A EP 04008031 A EP04008031 A EP 04008031A EP 1475761 A1 EP1475761 A1 EP 1475761A1
Authority
EP
European Patent Office
Prior art keywords
smoke detector
air pressure
smoke
pressure sensor
inlet opening
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.)
Granted
Application number
EP04008031A
Other languages
German (de)
English (en)
Other versions
EP1475761B1 (fr
Inventor
Axel Bobenhausen
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.)
Airbus Operations GmbH
Original Assignee
Airbus Operations 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 Airbus Operations GmbH filed Critical Airbus Operations GmbH
Publication of EP1475761A1 publication Critical patent/EP1475761A1/fr
Application granted granted Critical
Publication of EP1475761B1 publication Critical patent/EP1475761B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/043—Monitoring of the detection circuits of fire detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Definitions

  • the invention relates to a device for visual Inspection of an arranged in an airplane Smoke detector, preferably in the exhaust duct an aircraft toilet is used, wherein the Smoke detector through obstacles, in particular Covers, adhesions or the like, on his Entry opening or at a designated Protective grid in its function restricted or is prevented.
  • the invention is therefore based on the object, a To provide device of the type mentioned, through which a permanent monitoring of Smoke detectors for possible blockages or tampering is automatically enabled.
  • the object is achieved in that at least two air pressure sensors near the Smoke detector are arranged, due to a Cover the smoke detector and / or the Protective grille occurring air pressure differences and that the air pressure sensors have an evaluation and display means for detecting and displaying restricting the function of the smoke detector Is subordinate to obstacles.
  • a Detected blockage of a smoke detector can in advantageously locally, in the aircraft cabin or be displayed outside the affected room or also be communicated to a centralized maintenance system.
  • Near the smoke detector 7 are located a total of three air pressure sensors 1, 2 and 3, of which the first in the toilet room 4, the second at the Inner wall 8a of the suction hood 8 and the third im Smoke detector 7 is arranged.
  • Each two of the air pressure sensors 1, 2 or 3 detect Air pressure differences due to a cover of the Smoke detector 7, in particular his Smoke inlet opening 7a, and / or the Protective grid 6 occur, which is Gluing or the like can act.
  • an evaluation and Display device for determining and displaying the Smoke detector 7 in its function restrictive Downstream of obstacles. For example, a Obstacle on the upstream of the smoke detector 7 Protective grille 6 through the front of the inlet opening 7a the smoke detector 7 arranged air pressure sensor 2 and the air pressure sensor 1 located in the monitored room determined.
  • Such an obstacle can also by the in the smoke detector 7 arranged air pressure sensor 3 and the air pressure sensor located in the monitored room 4 1 are determined.
  • the smoke detector 7 shown in Fig. 2 has next his smoke inlet 7a and a Smoke outlet 7b on. Both openings is one Pipe upstream, namely the smoke inlet 7a, the pipe 10 and the smoke outlet opening 7b Pipe 11. While the pipe 11 is a normal smoke outlet pipe with two frontal Is openings, the tube 10 is additionally with a Variety of holes in its pipe wall provided by which also a smoke entering the pipe across its pipe wall is made possible. Through, the pipes 10 and 11 containing pipe system is the Smoke detector 7 via its smoke inlet 7a a Smoke volume supplied, compared to that of FIG. 1 apparent smoke detector 7 is substantially increased. If the tube 10 by covers, gluing or The like can be blocked by the forming air pressure difference with the Air pressure sensors 1 and 2 in the manner described above be determined.
  • the device is also suitable for one application Aircraft cargo space for detection and prevention of provided by charge smoke detectors 7.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP04008031A 2003-05-02 2004-04-02 Dispositif pour l'inspection visuelle d'un détecteur de fumée dans un aéronef Expired - Lifetime EP1475761B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10319688A DE10319688B4 (de) 2003-05-02 2003-05-02 Vorrichtung zur permanenten Überwachung eines in einem Flugzeug angeordneten Rauchdetektors
DE10319688 2003-05-02

Publications (2)

Publication Number Publication Date
EP1475761A1 true EP1475761A1 (fr) 2004-11-10
EP1475761B1 EP1475761B1 (fr) 2006-11-08

Family

ID=32981195

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04008031A Expired - Lifetime EP1475761B1 (fr) 2003-05-02 2004-04-02 Dispositif pour l'inspection visuelle d'un détecteur de fumée dans un aéronef

Country Status (5)

Country Link
US (1) US7015820B2 (fr)
EP (1) EP1475761B1 (fr)
AT (1) ATE344955T1 (fr)
DE (2) DE10319688B4 (fr)
ES (1) ES2275148T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2043068A1 (fr) * 2007-09-28 2009-04-01 Siemens Building Technologies Fire & Security Products GmbH & Co. oHG Dispositif destiné à la surveillance d'une alerte d'incendie et procédé de configuration et alerte d'incendie
CN112562252A (zh) * 2021-02-20 2021-03-26 南京擅水科技有限公司 一种火灾烟雾探测报警装置
US12008887B2 (en) 2021-03-08 2024-06-11 Carrier Corporation Method of fire detector cover detection and corresponding fire detection apparatus

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2430027A (en) * 2005-09-09 2007-03-14 Kidde Ip Holdings Ltd Fibre bragg temperature sensors
DE102005051123B4 (de) * 2005-10-24 2007-10-18 Smartgas Mikrosensorik Gmbh Gaswarnanlage mit einer Funktion zur Erkennung von Manipulationsversuchen und Verfahren zur Überwachung einer Gaswarnanlage
US7791475B2 (en) * 2008-03-26 2010-09-07 Honeywell International Inc. Apparatus and method of blockage detection
EP2666721B1 (fr) * 2012-05-24 2019-05-15 Airbus Operations GmbH Système de détection de fumée et méthode pour le fonctionnement d'un système de détection de fumée
EP2964342B1 (fr) 2013-03-06 2021-05-19 Airbus Canada Limited Partnership Interface entre un conduit d'agent d'extinction de feu et un compartiment de chargement d'un aéronef
US9728058B2 (en) * 2015-11-30 2017-08-08 Quanta Computer Inc. Smoke detection mechanism
US11288951B2 (en) 2019-11-13 2022-03-29 Carrier Corporation Identification of anomaly on a detector
US11580836B2 (en) 2020-07-30 2023-02-14 Carrier Corporation Smoke detector with integrated sensing
US20230230468A1 (en) * 2022-01-19 2023-07-20 Johnson Controls Tyco IP Holdings LLP Smoke detector self-test
EP4216187A1 (fr) * 2022-01-24 2023-07-26 Carrier Corporation Surveillance de l'integrité d'un système de détection aspirant
WO2023202953A1 (fr) 2022-04-22 2023-10-26 Siemens Mobility GmbH Appareil de détection d'un incendie dans un véhicule

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0549888A1 (fr) * 1991-12-09 1993-07-07 Nohmi Bosai Ltd. Détecteur d'incendie

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01102991U (fr) * 1987-12-26 1989-07-12
US5182542A (en) * 1991-07-02 1993-01-26 Newtron Products Company Smoke alarm and air cleaning device
JP3104102B2 (ja) * 1992-04-25 2000-10-30 能美防災株式会社 イオン化式煙感知器
US5351035A (en) * 1993-02-22 1994-09-27 Ben A. Everson Clogged filter indicator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0549888A1 (fr) * 1991-12-09 1993-07-07 Nohmi Bosai Ltd. Détecteur d'incendie

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2043068A1 (fr) * 2007-09-28 2009-04-01 Siemens Building Technologies Fire & Security Products GmbH & Co. oHG Dispositif destiné à la surveillance d'une alerte d'incendie et procédé de configuration et alerte d'incendie
EP2043069A1 (fr) * 2007-09-28 2009-04-01 Siemens Building Technologies Fire & Security Products GmbH & Co. oHG Dispositif destiné à la surveillance d'une alerte d'incendie et procédé de configuration et alerte d'incendie
CN112562252A (zh) * 2021-02-20 2021-03-26 南京擅水科技有限公司 一种火灾烟雾探测报警装置
US12008887B2 (en) 2021-03-08 2024-06-11 Carrier Corporation Method of fire detector cover detection and corresponding fire detection apparatus

Also Published As

Publication number Publication date
EP1475761B1 (fr) 2006-11-08
DE502004001932D1 (de) 2006-12-21
DE10319688B4 (de) 2007-01-11
US7015820B2 (en) 2006-03-21
ES2275148T3 (es) 2007-06-01
ATE344955T1 (de) 2006-11-15
DE10319688A1 (de) 2004-12-30
US20040246137A1 (en) 2004-12-09

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