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EP0801368B1 - Überwachungsanordnung - Google Patents

Überwachungsanordnung Download PDF

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Publication number
EP0801368B1
EP0801368B1 EP97302471A EP97302471A EP0801368B1 EP 0801368 B1 EP0801368 B1 EP 0801368B1 EP 97302471 A EP97302471 A EP 97302471A EP 97302471 A EP97302471 A EP 97302471A EP 0801368 B1 EP0801368 B1 EP 0801368B1
Authority
EP
European Patent Office
Prior art keywords
pressure
monitoring device
sensor
container
user
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
EP97302471A
Other languages
English (en)
French (fr)
Other versions
EP0801368A1 (de
Inventor
Kevin David Harris
Simon Christopher Hogg
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.)
Draeger Ltd
Original Assignee
Draeger 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
Priority claimed from GBGB9607719.3A external-priority patent/GB9607719D0/en
Priority claimed from GBGB9618288.6A external-priority patent/GB9618288D0/en
Application filed by Draeger Ltd filed Critical Draeger Ltd
Publication of EP0801368A1 publication Critical patent/EP0801368A1/de
Application granted granted Critical
Publication of EP0801368B1 publication Critical patent/EP0801368B1/de
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
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • 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
    • G08B21/04—Alarms for ensuring the safety of persons responsive to non-activity, e.g. of elderly persons
    • G08B21/0438—Sensor means for detecting
    • G08B21/0453—Sensor means for detecting worn on the body to detect health condition by physiological monitoring, e.g. electrocardiogram, temperature, breathing

Definitions

  • This invention relates to a monitoring device and is concerned with a monitoring device for use with breathing apparatus as worn by firefighters and the like.
  • the device may also include a means of actuating the alarm means to produce a signal to prompt the firefighter or the like to read the display in the event that the pressure detected by the pressure sensor falls below a predetermined value (which constitutes a first warning level) and/or, as appropriate, if the temperature detected by the temperature sensor exceeds a predetermined value.
  • a predetermined value which constitutes a first warning level
  • the main unit comprises a housing 1 including an automatic distress unit (ADSU) comprising an alarm means in the form of a piezo sounder and a movement sensor (not shown).
  • the housing also includes an LCD display 2 positioned behind a protective window.
  • the housing 1 is linked to another unit of the device comprising a pressure sensor (not shown) by means of a hose 3.
  • the pressure sensor output is digital and holds its own calibration data in an electrical erasable programmable read only memory.
  • the pressure sensor operates over a pressure range of from 0 to 300 bars and is connected to a container (not shown) for gas to be breathed by the user.
  • the circuitry within the main unit additionally includes an ambient temperature sensor and the detected temperature is also displayed on the display 2, as an alternative to the calculated time to the whistle, by pressing button 4.
  • This circuitry may include a two stage pre-set (software adjustable) warning of increasing heat intensity and may also monitor the time for which the user has been subjected to a wide range of heat levels and trigger accumulated heat warnings.
  • a piezoelectric sounder 83 is glued into the housing 1 by an epoxy ring 85.
  • the epoxy ring provides a gas-tight seal of the sounder to the housing.

Landscapes

  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Cardiology (AREA)
  • Engineering & Computer Science (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • Computer Security & Cryptography (AREA)
  • Gerontology & Geriatric Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Forging (AREA)
  • Traffic Control Systems (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Burglar Alarm Systems (AREA)

Claims (13)

  1. Überwachungsvorrichtung zur Wirkverbindung mit einem Beatmungsgerät, das einen Behälter mit unter Druck stehendem Beatmungsgas aufweist, wobei sowohl die Überwachungsvorrichtung als auch das Beatmungsgerät von einem Benutzer getragen werden, wobei die Vorrichtung folgendes aufweist:
    einen Drucksensor (51) zum Detektieren des Gasdruckes im Behälter,
    einen Bewegungssensor (57) zum Erfassen der Bewegung des Benutzers, und
    Alarmmittel (63), die sowohl mit dem Drucksensor (51) als auch mit dem Bewegungssensor (57) verbunden und dafür ausgelegt sind, ein Signal einer ersten Art zu erzeugen, wenn der Druck im Behälter unterhalb eines vorgegebenen Wertes liegt, und ein Signal einer zweiten Art, wenn keine Bewegung des Benutzers nach einer vorgegebenen Zeitperiode detektiert wird, dadurch gekennzeichnet, dass die Vorrichtung des Weiteren Leckdetektierungsmittel beinhaltet, um einen Austritt von Gas aus dem Behälter zu detektieren, wobei die Leckdetektierungsmittel dafür angepasst sind, bei der Verwendung den vom Drucksensor gemessenen Druck in bestimmten Zeitabständen zu vergleichen.
  2. Überwachungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Alarmmittel (63) dafür ausgelegt sind, eine Folge von Signalen der ersten Art zu erzeugen, wenn der Druck im Behälter bei der Verwendung abfällt, wobei jedes Signal erzeugt wird, nachdem ein vorgegebener Druckabfall seit dem vorhergehenden Signal in der Folge aufgetreten ist.
  3. Überwachungsvorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass der Drucksensor (51) bei Abfall des Druckes im Behälter auf ein vorgegebenes Niveau bewirkt, dass der Alarm ein Signal erzeugt, um dem Benutzer anzuzeigen, dass er sich in einen sicheren Bereich begeben soll.
  4. Überwachungsvorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Signale der ersten und der zweiten Art hörbare Signale verschiedener Frequenzen sind.
  5. Überwachungsvorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Drucksensor (51) in Wirkverbindung mit einer Anzeige (59) steht, die eine sichtbare Anzeige des Gasdrucks im Behälter liefert.
  6. Überwachungsvorrichtung nach Anspruch 5, dadurch gekennzeichnet, dass sie Mittel zum Aktivieren der Alarmmittel (63) aufweist, um den Benutzer zu veranlassen, die Anzeige (59) zu lesen, wenn der vom Drucksensor detektierte Druck unter ein vorgegebenes Warnniveau fällt.
  7. Überwachunsvorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie ein Mittel (61, 64) zum manuellen Aktivieren des Alarms aufweist, um ein Signal der zweiten Art zu erzeugen.
  8. Überwachungsvorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie einen Temperatursensor und eine Anzeige (59) zur Darstellung der Temperatur aufweist.
  9. Überwachungsvorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass sie ein Mittel zum Betätigen der Alarmmittel aufweist, um den Benutzer dazu zu veranlassen, die Anzeige zu verbinden, wenn die vom Temperatursensor gemessene Temperatur einen vorgegebenen Wert überschreitet.
  10. Überwachungsvorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass sie einen Empfänger (55) zum Empfangen neuer Werte für den vorgegebenen Druckwert und die vorgegebene Zeit und ein Speichermittel zum Speichern der neuen Werte aufweist.
  11. Überwachungsvorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass sie einen Sender aufweist, durch den ein von einem Sensor gemessener Wert an einen externen Platz übertragen werden kann.
  12. Überwachungsvorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der Empfänger (55) ein Infra-Rot-Empfänger und der Sender ein Infra-Rot-Sender sind.
  13. Überwachungsvorrichtung nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sie
       eine erste Einheit (71), die den Drucksensor beinhaltet, und
       eine zweiten Einheit (51, 52) aufweist, die die Alarmmittel (63), den Bewegungssensor (57), die notwendigen Schnittstellenfunktionen und die zugeordneten Schaltungen umfasst,
       wobei die beiden Einheiten miteinander in Wirkverbindung stehen.
EP97302471A 1996-04-13 1997-04-11 Überwachungsanordnung Expired - Lifetime EP0801368B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9607719.3A GB9607719D0 (en) 1996-04-13 1996-04-13 Improvements in or relating to monitoring devices
GB9607719 1996-04-13
GB9618288 1996-09-02
GBGB9618288.6A GB9618288D0 (en) 1996-09-02 1996-09-02 Improvements in or relating to monitoring devices

Publications (2)

Publication Number Publication Date
EP0801368A1 EP0801368A1 (de) 1997-10-15
EP0801368B1 true EP0801368B1 (de) 2003-02-12

Family

ID=26309128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97302471A Expired - Lifetime EP0801368B1 (de) 1996-04-13 1997-04-11 Überwachungsanordnung

Country Status (5)

Country Link
EP (1) EP0801368B1 (de)
AT (1) ATE232630T1 (de)
AU (1) AU1788197A (de)
CA (1) CA2202569A1 (de)
DE (1) DE69718958T2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6377610B1 (en) * 1997-04-25 2002-04-23 Deutsche Telekom Ag Decoding method and decoding device for a CDMA transmission system for demodulating a received signal available in serial code concatenation
DE19822412B4 (de) * 1998-05-19 2008-06-05 Deutsche Telekom Ag System zur Überwachung von Atemschutzgeräteträgern
FR2779183B1 (fr) * 1998-05-29 2000-07-21 Renault Procede de controle moteur selon l'encrassement des bougies d'allumage et dispositif de mise en oeuvre
DE19936893C2 (de) * 1999-07-29 2002-08-01 Auergesellschaft Gmbh Warngerät für einen Pressluftatmer
NO310645B1 (no) * 1999-12-10 2001-08-06 Sigurd Andersen Temperaturvarsler i röykdykkerutstyr
GB0012872D0 (en) * 2000-05-26 2000-07-19 Cohen Ellis B A monitor to assist in the management of all personal operating in high risk zones
GB0101497D0 (en) * 2001-01-19 2001-03-07 Crowcon Detection Instr Ltd Means for means for calibration
DE10157114B4 (de) * 2001-11-21 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Umgebungserfassungs- und Arbeitsmanagementsystem fürArbeiten in aerosolkontaminierter Umgebung
DE10317167A1 (de) * 2003-04-15 2004-11-11 Michael Aust Verfahren zur Überwachung von zumindest zwei Personen mit externer Atemluftversorgung
GB2427732A (en) * 2005-06-28 2007-01-03 Cohen Ellis B Personal monitor
GB2496402B (en) * 2011-11-09 2016-02-24 Draeger Safety Uk Ltd Monitoring apparatus
GB2537289B (en) 2013-02-26 2017-11-01 Draeger Safety Uk Ltd A personal safety device
GB2523146A (en) * 2014-02-14 2015-08-19 Draeger Safety Uk Ltd Monitoring apparatus
GB2551172B (en) 2016-06-08 2019-02-20 Sts Defence Ltd Predicting temperature rise event
CN108416994A (zh) * 2018-05-25 2018-08-17 深圳市青桔信息技术有限公司 一种智能液化气瓶安全装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121160A (en) * 1977-03-22 1978-10-17 Cataldo Thomas R Switch means for radio alarm device
US5097826A (en) * 1989-11-13 1992-03-24 Cairns & Brother, Inc. Pressure monitoring device for self-contained breathing apparatus
US5157378A (en) * 1991-08-06 1992-10-20 North-South Corporation Integrated firefighter safety monitoring and alarm system
US5317305A (en) * 1992-01-30 1994-05-31 Campman James P Personal alarm device with vibrating accelerometer motion detector and planar piezoelectric hi-level sound generator
US5492110A (en) * 1994-12-23 1996-02-20 Golden West Communications Switched alert circuit for fireman's breathing system
US5541579A (en) * 1995-03-23 1996-07-30 Kiernan; Christopher Personal alarm safety system
US5781118A (en) * 1995-11-30 1998-07-14 Mine Safety Appliances Company Self-contained breathing apparatus having a personal alert safety system integrated therewith

Also Published As

Publication number Publication date
DE69718958D1 (de) 2003-03-20
EP0801368A1 (de) 1997-10-15
CA2202569A1 (en) 1997-10-13
AU1788197A (en) 1997-10-23
ATE232630T1 (de) 2003-02-15
DE69718958T2 (de) 2003-06-18

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