EP1037183B1 - Dispositif d'alarme pour la détection de gaz - Google Patents

Dispositif d'alarme pour la détection de gaz Download PDF

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Publication number
EP1037183B1
EP1037183B1 EP00650013A EP00650013A EP1037183B1 EP 1037183 B1 EP1037183 B1 EP 1037183B1 EP 00650013 A EP00650013 A EP 00650013A EP 00650013 A EP00650013 A EP 00650013A EP 1037183 B1 EP1037183 B1 EP 1037183B1
Authority
EP
European Patent Office
Prior art keywords
processor
alarm device
gas sensing
sensing alarm
memory
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
EP00650013A
Other languages
German (de)
English (en)
Other versions
EP1037183A3 (fr
EP1037183A2 (fr
Inventor
Michael Byrne
James Duignan
Fergus Flynn
Michael Guinee
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.)
EI Technology Ltd
Original Assignee
EI Technology Ltd
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 EI Technology Ltd filed Critical EI Technology Ltd
Publication of EP1037183A2 publication Critical patent/EP1037183A2/fr
Publication of EP1037183A3 publication Critical patent/EP1037183A3/fr
Application granted granted Critical
Publication of EP1037183B1 publication Critical patent/EP1037183B1/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
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/14—Toxic gas alarms

Claims (10)

  1. Dispositif d'alarme détecteur de gaz comprenant un logement ventilé (2) contenant un circuit (10) comprenant un détecteur de gaz toxique (14), un processeur (11) connecté au détecteur (14), et un dispositif de sortie (12, 4, 5, 6) pour fournir une alerte pour un utilisateur,
    ce processeur comprenant une mémoire, un moyen pour stocker des données de concentration de gaz historiques dans la mémoire, et un moyen pour produire ensuite une alerte selon les données historiques stockées, et caractérisé en ce que
    ce dispositif comprend également une interface d'entrée utilisateur (3) connectée au processeur, et le processeur (11) comprend un moyen pour produire un historique d'alertes basé sur les données historiques en réponse à une entrée utilisateur.
  2. Dispositif d'alarme détecteur de gaz tel que revendiqué dans la revendication 1, dans lequel le processeur (11) comprend un moyen pour activer de façon intermittente une source de lumière (5) à un d'une pluralité de niveaux de fréquence distincts, chacun étant associé à un seuil de concentration de gaz.
  3. Dispositif d'alarme détecteur de gaz tel que revendiqué dans la revendication 1 ou 2, dans lequel la mémoire du processeur est un registre, et le processeur comprend un moyen pour enregistrer un drapeau sur le registre pour indiquer la concentration de gaz.
  4. Dispositif d'alarme détecteur de gaz tel que revendiqué dans la revendication 3, dans lequel un drapeau pour une valeur de concentration de crête antérieure depuis la remise à zéro est écrasé par un drapeau indiquant une nouvelle crête depuis la remise à zéro.
  5. Dispositif d'alarme détecteur de gaz tel que revendiqué dans la revendication 1, dans lequel l'interface d'entrée utilisateur comprend un bouton (3), et le processeur (11) comprend un moyen pour reconnaítre l'enfoncement du bouton initialement comme une entrée afin de produire un historique d'alertes basé sur les données historiques, et après une durée de temps prédéfinie d'enfoncement du bouton, comme une entrée pour remettre la mémoire à zéro.
  6. Dispositif d'alarme détecteur de gaz tel que revendiqué dans la revendication 5, dans lequel le processeur comprend un moyen pour effectuer également un essai automatique en réponse à l'enfoncement du bouton par l'utilisateur.
  7. Dispositif d'alarme détecteur de gaz tel que revendiqué dans l'une quelconque des revendications précédentes, dans lequel le processeur (11) comprend un moyen pour échantillonner la sortie du détecteur à une fréquence plus haute que pour un mode normal quand une instruction d'essai d'utilisateur est détectée.
  8. Dispositif d'alarme détecteur de gaz tel que revendiqué dans la revendication 7, dans lequel la cadence d'échantillonnage d'essai est au moins une fois toutes les quatre secondes.
  9. Dispositif d'alarme détecteur de gaz tel que revendiqué dans la revendication 7 ou 8, dans lequel le processeur (11) comprend un moyen pour retourner automatiquement dans le mode normal après qu'une période de temps prédéfinie s'est écoulée.
  10. Dispositif d'alarme détecteur de gaz tel que revendiqué dans l'une quelconque des revendications précédentes, dans lequel le processeur comprend un microcontrôleur (11) ayant une mémoire non volatile stockant des valeurs d'étalonnage dans un emplacement séquentiel qui sont adressables après la fabrication, et cette mémoire comprend des emplacements adressables de réserve pour le stockage de valeurs d'étalonnage résultant du réétalonnage.
EP00650013A 1999-03-05 2000-03-02 Dispositif d'alarme pour la détection de gaz Expired - Lifetime EP1037183B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
IE990186 1999-03-05
IE990186 1999-03-05
IE990368 1999-05-06
IE990368 1999-05-06

Publications (3)

Publication Number Publication Date
EP1037183A2 EP1037183A2 (fr) 2000-09-20
EP1037183A3 EP1037183A3 (fr) 2003-04-09
EP1037183B1 true EP1037183B1 (fr) 2005-04-13

Family

ID=26320241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00650013A Expired - Lifetime EP1037183B1 (fr) 1999-03-05 2000-03-02 Dispositif d'alarme pour la détection de gaz

Country Status (4)

Country Link
EP (1) EP1037183B1 (fr)
AT (1) ATE293270T1 (fr)
DE (1) DE60019362D1 (fr)
IE (2) IE20000165A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930694A (zh) * 2012-11-16 2013-02-13 东华大学 一种防煤气中毒系统

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0117833D0 (en) * 2001-07-21 2001-09-12 Waheed Munawar Gas detector
DE10255736B4 (de) * 2002-11-29 2009-03-19 Micronas Gmbh Brennstoffzelle und Verfahren zur Herstellung
DE102004011554A1 (de) 2004-03-08 2005-09-29 Micronas Gmbh Brennstoffzellenanordnung
EP2058649B1 (fr) 2007-11-06 2011-06-29 Micronas GmbH Pile à combustible en tant que capteur
CN104252768A (zh) * 2013-06-25 2014-12-31 成都旋极历通信息技术有限公司 用于飞机存储室的有害气体报警器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5526280A (en) * 1994-04-28 1996-06-11 Atwood Industries, Inc. Method and system for gas detection
JPH08110252A (ja) * 1994-10-13 1996-04-30 Fuji Electric Co Ltd カルマン渦流量計

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102930694A (zh) * 2012-11-16 2013-02-13 东华大学 一种防煤气中毒系统

Also Published As

Publication number Publication date
IE20000165A1 (en) 2000-11-15
EP1037183A3 (fr) 2003-04-09
DE60019362D1 (de) 2005-05-19
EP1037183A2 (fr) 2000-09-20
ATE293270T1 (de) 2005-04-15
IES20000164A2 (en) 2000-11-01

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