EP1515290A1 - Gefahrenmelder mit Batterieüberwachung - Google Patents
Gefahrenmelder mit Batterieüberwachung Download PDFInfo
- 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
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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)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
- Emergency Alarm Devices (AREA)
Abstract
Description
Claims (6)
- Batteriegespeister Gefahrenmelder mit einer Einrichtung zur Ladungsüberwachung (7) der Batterie (8) und mit einer Störungsmeldeeinrichtung (3), welche ein Störungssignal (SS) erzeugt, sobald die Batteriespannung eine vorgegebene Mindestschwelle unterschreitet, und mit dem Störungssignal einen vorzugsweise akustischen Signalgeber (4) aktiviert,
dadurch gekennzeichnet, daß ein die Tageszeit erfassender Sensor (6,9) vorgesehen ist, der ein während einer im Tagesablauf vorgegebenen Ruhezeit auftretendes Störungssignal (SS) bis nach dem Ende der Ruhezeit verzögert und erst danach den Signalgeber (4) aktiviert. - Gefahrenmelder nach Anspruch 1,
dadurch gekennzeichnet, daß der Sensor (6) ein Photosensor ist, der bei Unterschreiten einer vorgegebenen Schwelle für die Umgebungslichtstärke die Aktivierung des Signalgebers (4) verzögert, bis die vorgegebene Schwelle wieder überschritten wird. - Gefahrenmelder nach Anspruch 2,
dadurch gekennzeichnet, daß eine in dem Melder vorgesehene Zeitmeßeinrichtung (9) über den Photosensor synchronisiert wird und ein Zeitfenster für die Weiterleitung von Störungsmeldungen (SS) an den Signalgeber (4) festlegt. - Gefahrenmelder nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß als Sensor eine Normalzeituhr (9) dient, die die Ruhezeit unmittelbar oder in Verknüpfung mit Meßwerten eines Photosensors (6) festlegt. - Gefahrenmelder nach einem der Ansprüche bis 4,
dadurch gekennzeichnet, daß eine zur Alarmanzeige vorgesehene Leuchtdiode (5) zugleich als Photosensor (6) dient. - Gefahrenmelder nach einem der Ansprüche 1bis 5,
dadurch gekennzeichnet, daß neben Batteriestörungssignalen (BS) auch andere Störungssignale in dem Melder mit Hilfe des die Tageszeit erfassenden Sensors (6,9) verzögert werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10340396 | 2003-09-02 | ||
DE2003140396 DE10340396B4 (de) | 2003-09-02 | 2003-09-02 | Gefahrenmelder mit Batterieüberwachung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1515290A1 true EP1515290A1 (de) | 2005-03-16 |
Family
ID=34129622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04103414A Ceased EP1515290A1 (de) | 2003-09-02 | 2004-07-16 | Gefahrenmelder mit Batterieüberwachung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1515290A1 (de) |
DE (1) | DE10340396B4 (de) |
Cited By (2)
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 (de) * | 2010-08-26 | 2015-03-04 | Siemens Schweiz AG | Streulicht-Brandmelder mit Mitteln zur Unterdrückung einer akustischen Warnung im Falle einer niedrigen Batteriespannung |
Families Citing this family (1)
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)
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)
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 |
-
2003
- 2003-09-02 DE DE2003140396 patent/DE10340396B4/de not_active Expired - Fee Related
-
2004
- 2004-07-16 EP EP04103414A patent/EP1515290A1/de not_active Ceased
Patent Citations (2)
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)
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 (de) * | 2010-08-26 | 2015-03-04 | Siemens Schweiz AG | Streulicht-Brandmelder mit Mitteln zur Unterdrückung einer akustischen Warnung im Falle einer niedrigen Batteriespannung |
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 (de) | 2010-08-26 | 2017-03-08 | Siemens Schweiz AG | Streulicht-Brandmelder mit Mitteln zur Unterdrückung einer akustischen Warnung im Falle einer niedrigen Batteriespannung |
Also Published As
Publication number | Publication date |
---|---|
DE10340396A1 (de) | 2005-03-31 |
DE10340396B4 (de) | 2007-04-05 |
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Effective date: 20080308 |