EP1515290A1 - Avertisseur de risque avec surveillance de batterie - Google Patents

Avertisseur de risque avec surveillance de batterie Download PDF

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Publication number
EP1515290A1
EP1515290A1 EP04103414A EP04103414A EP1515290A1 EP 1515290 A1 EP1515290 A1 EP 1515290A1 EP 04103414 A EP04103414 A EP 04103414A EP 04103414 A EP04103414 A EP 04103414A EP 1515290 A1 EP1515290 A1 EP 1515290A1
Authority
EP
European Patent Office
Prior art keywords
battery
signal
time
photosensor
fault
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.)
Ceased
Application number
EP04103414A
Other languages
German (de)
English (en)
Inventor
Ludwig Kreuzer
Karlheinz Schreyer
Erich Wonisch
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP1515290A1 publication Critical patent/EP1515290A1/fr
Ceased legal-status Critical Current

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Classifications

    • 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
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/181—Prevention or correction of operating errors due to failing power supply
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources

Definitions

  • the invention relates to a battery-powered hazard detector with a device for charge monitoring of the battery and a fault reporting device which generates a fault signal generated as soon as the battery voltage is a predetermined Minimum threshold falls below, and with the interference signal one preferably activated acoustic signal.
  • a circuit for monitoring a voltage source, in particular a voltage source, as a battery in a battery powered fire alarm device is known. There it is provided that the Battery monitoring circuit upon detection of a preselected Undervoltage condition an intermittent acoustic Signal generated.
  • the aim of the invention is therefore to provide a hazard detector the type mentioned above in such a way that unnecessary nocturnal Disturbances in the living area can be avoided without that the safety of the plant suffers.
  • this object is achieved in that a the time of day detecting sensor is provided, the one during a rest time specified in the daily routine Interference signal suppressed until after the end of idle time and only then activates the signal generator.
  • the invention makes use of the knowledge that the battery voltage drops substantially continuously and usually even after falling below the given Fault threshold still for a sufficient amount of safety ensured by the detector. Thus, it is not necessary when falling below the Störschwelle the battery voltage coincidentally occurs during the nighttime, this too immediately into a loud acoustic signal and within earshot to awaken sleeping people unnecessarily or in excitement offset.
  • the specified rest time preferably defined as nighttime. Therefore, in a preferred embodiment of the invention the sensor is a photosensor, which falls below one predetermined threshold for the ambient light intensity activation of the signal generator delayed until the specified Threshold is exceeded again. For this purpose can also provided for alarm display anyway in the detector LED are used.
  • the detector has its own time-measuring device, he can talk about measuring the lighting conditions on the Synchronize day / night changes, allowing specific time windows for battery trouble reporting, but also for others Fault messages can be defined.
  • a sensor can also serve a standard time clock, the rest time immediately or in conjunction with measured values of a photosensor.
  • the signal delay according to the invention in addition to the battery fault signal also for other fault signals be applied, their forwarding without interference safety does not necessarily have to be done immediately.
  • the single FIGURE shows a block diagram for an invention constructed hazard detector.
  • This danger detector has a hazard sensor 1, which depends on the one to be reported Danger for example a fire sensor or a burglary sensor can be.
  • the state or state change of the sensor 1 is evaluated in a detector logic 2 and when exceeded an alarm criterion in the form of an alarm signal AS a Signal transmitter control 3 supplied.
  • an alarm criterion in the form of an alarm signal AS a Signal transmitter control 3 supplied.
  • an acoustic signal or buzzer 4 activated.
  • the detector is powered by a battery 8 with energy. This battery must be constantly monitored and underrun a critical state of charge can be exchanged. To this Purpose is a battery monitoring unit 7 is provided, the the battery voltage measures and falls below a predetermined Minimum Threshold a battery fault signal BS the signal transmitter control 3 gives. From there then becomes the Buzzer 4 is activated via a fault signal SS.
  • the photosensor 6 an LED can be used are at the same time as a display unit 5 for the alarm signal AS serves.
  • Timebase 9 is provided, which via the brightness signal HS can be synchronized and thus certain time windows for the transmission of interference signals. If the time base is a standard time clock, such time windows can also independent for the forwarding of a fault signal be determined by the brightness measurement. In this Case are these time windows, each defining a rest period, also not limited to the night, but can be set at any time of day.
  • the invention is not limited to the forwarding of Battery disturbance signals alone limited, rather In this way, other fault signals in the detector to the Expiration of a specified rest period be delayed.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
  • Emergency Alarm Devices (AREA)
EP04103414A 2003-09-02 2004-07-16 Avertisseur de risque avec surveillance de batterie Ceased EP1515290A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003140396 DE10340396B4 (de) 2003-09-02 2003-09-02 Gefahrenmelder mit Batterieüberwachung
DE10340396 2003-09-02

Publications (1)

Publication Number Publication Date
EP1515290A1 true EP1515290A1 (fr) 2005-03-16

Family

ID=34129622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04103414A Ceased EP1515290A1 (fr) 2003-09-02 2004-07-16 Avertisseur de risque avec surveillance de batterie

Country Status (2)

Country Link
EP (1) EP1515290A1 (fr)
DE (1) DE10340396B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2457251A (en) * 2008-02-06 2009-08-12 Ritchie Colin Peter Macefield Smoke alarm with timer to detect smoke only during specific hours of the day
EP2423895A3 (fr) * 2010-08-26 2015-03-04 Siemens Schweiz AG Alarme incendie à lumière diffusée dotée de moyens de suppression d'une alerte acoustique en cas de faible tension d'alimentation

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015016316A1 (de) * 2015-12-17 2017-06-22 Drägerwerk AG & Co. KGaA Steuergerät zur Steuerung einer Alarmausgabe und Verfahren zur Steuerung einer Alarmausgabe sowie medizinische Vorrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2811456A1 (fr) * 2000-07-10 2002-01-11 Giat Ind Sa Dispositif permettant de detecter le declenchement des incendies dans une zone
US20030107494A1 (en) * 2001-12-11 2003-06-12 Fallon Raymond M. Power supply alarm control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083037A (en) * 1975-12-08 1978-04-04 Patent Development & Management Company Detection circuit
CH624284A5 (en) * 1978-07-21 1981-07-31 Eugen Gehrer Portable container which is protected against theft and/or break-in
US4287517A (en) * 1980-01-25 1981-09-01 Pittway Corporation Circuit for eliminating low battery voltage alarm signal at night
US5686896A (en) * 1995-09-28 1997-11-11 Interactive Technologies, Inc. Low battery report inhibitor for a sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2811456A1 (fr) * 2000-07-10 2002-01-11 Giat Ind Sa Dispositif permettant de detecter le declenchement des incendies dans une zone
US20030107494A1 (en) * 2001-12-11 2003-06-12 Fallon Raymond M. Power supply alarm control system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2457251A (en) * 2008-02-06 2009-08-12 Ritchie Colin Peter Macefield Smoke alarm with timer to detect smoke only during specific hours of the day
EP2423895A3 (fr) * 2010-08-26 2015-03-04 Siemens Schweiz AG Alarme incendie à lumière diffusée dotée de moyens de suppression d'une alerte acoustique en cas de faible tension d'alimentation
US9053620B2 (en) 2010-08-26 2015-06-09 Siemens Aktiengesellschaft Scattered-light fire detector with a device for suppressing an acoustic warning in the event of a low battery voltage
EP2423895B1 (fr) 2010-08-26 2017-03-08 Siemens Schweiz AG Alarme incendie à lumière diffusée dotée de moyens de suppression d'une alerte acoustique en cas de faible tension d'alimentation

Also Published As

Publication number Publication date
DE10340396A1 (de) 2005-03-31
DE10340396B4 (de) 2007-04-05

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