EP3392854A1 - Procédé de réglage automatique d'un détecteur d'incendie, système pourvu d'un détecteur d'incendie réglable automatiquement et programme d'ordinateur permettant une mise en uvre dudit procédé - Google Patents

Procédé de réglage automatique d'un détecteur d'incendie, système pourvu d'un détecteur d'incendie réglable automatiquement et programme d'ordinateur permettant une mise en uvre dudit procédé Download PDF

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Publication number
EP3392854A1
EP3392854A1 EP17199862.8A EP17199862A EP3392854A1 EP 3392854 A1 EP3392854 A1 EP 3392854A1 EP 17199862 A EP17199862 A EP 17199862A EP 3392854 A1 EP3392854 A1 EP 3392854A1
Authority
EP
European Patent Office
Prior art keywords
fire detector
sensor
cloud
sensitivity
computer
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.)
Withdrawn
Application number
EP17199862.8A
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German (de)
English (en)
Inventor
Joachim Langenscheid
Roland Schenkel
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 Schweiz AG
Original Assignee
Siemens Schweiz 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 Schweiz AG filed Critical Siemens Schweiz AG
Priority to EP17199862.8A priority Critical patent/EP3392854A1/fr
Publication of EP3392854A1 publication Critical patent/EP3392854A1/fr
Withdrawn legal-status Critical Current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
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion

Definitions

  • the invention relates to a method for automatic setting of a fire detector and, further, to a system in which an automatic setting of the fire detector takes place according to the method as well as a computer program with an implementation of the method.
  • a sensible sensitivity and a meaningful temporal triggering behavior of a fire detector depend on the respective field of application.
  • a fire detector placed in an office a different setting makes sense than, for example, a fire detector placed in a welding shop.
  • An adjustment required to date has hitherto been carried out, for example, via a fire alarm control panel.
  • the fire alarm panel loads two profiles into the fire detector, between which - initiated by the fire alarm control panel - can be switched. Switching occurs, for example, depending on whether there are people in the vicinity of the fire detector ("manned operation” or "unmanned operation”).
  • a method for automatic adjustment of a fire detector with the features of claim 1.
  • the fire detector is directly or indirectly communicatively connected to the cloud, so that at least one data transmission from the cloud and the Fire detector is possible.
  • at least one service running in the cloud cloud service
  • relevant data for an automatic setting of a fire detector are recorded.
  • polling the data collected by the at least one service for example by the same cloud service, the fire alarm is automatically set.
  • the data processed for the automatic setting of the fire detector in the cloud are preferably data which the at least one cloud service spatially or at least communicatively associated with the cloud as well as the respective fire detector for the automatic setting of a fire detector data functionally assigned sensor detected.
  • the at least one sensor is preferably a timer, a temperature sensor, a humidity sensor, a weather station, an access control system or the like. Spatially, the sensor is assigned to the fire detector if the sensor is located in the same room or in the same building. However, a spatial assignment is, for example - depending on the type of sensor - even if the fire detector and the sensor are in an area in which the same or substantially the same conditions prevail.
  • the sensor is assigned to the fire detector when the conditions detected by the sensor come into consideration as a basis for setting the fire alarm.
  • Said communicative connection enables at least one data transmission from the respective sensor into the cloud.
  • the sensors which can be used or used in the context of the method are preferably IoT sensors.
  • IoT devices these (fire detectors and sensors) via an Internet connection, for example according to the 6LoWPAN protocol or the LTE protocol, with the cloud infrastructure and there with at least one acting as a central functional unit of the method cloud service and the Hardware, possibly also the distributed hardware on which the cloud service is running communicate.
  • sensor data are preferably collected continuously, but possibly also only on request by the cloud service, and evaluated by means of the cloud service for the automatic setting of the fire detector.
  • Data from other cloud infrastructures can also be adopted as part of a "big data" approach, which have a similar topographical and / or environmental structure in order to use the settings of the smoke detectors of an existing system for the smoke detectors of a comparable system.
  • the object mentioned at the outset is also achieved by means of a device in the form of a system operating according to the method.
  • the system comprises at least one automatically detectable fire detector according to a method of the type described here and below, at least one computer accessible in the cloud, in the memory of which a computer program with an implementation of the method described here and below is loaded as cloud service, as well as at least one sensor from the following group of sensors: timer, temperature sensor, humidity sensor, rain sensor, weather station or access control system.
  • the at least one fire detector and the at least one computer for the automatic setting of the fire alarm by the cloud service are communicatively connected.
  • the at least one computer and the at least one sensor for communicating a sensor signal from the sensor to the computer are communicatively connected.
  • the cloud service Based on the sensor signal, the cloud service generates a control signal for automatically setting the sensitivity of the fire detector and transmits it to the fire detector via the communicative connection between the fire detector and the computer.
  • the cloud service is designed and set up to generate a control signal for automatically adjusting the sensitivity of the fire detector based on the sensor signal and to transmit this via the present between fire detectors and computer communicative connection to the fire detector.
  • the advantage of the invention is that by the automatic setting of the fire detector this better and above all dynamically to each prevailing environmental conditions is adjusted. This achieves better triggering behavior in an emergency. Due to the improved triggering behavior but also false alarms can be avoided.
  • the at least one sensor is a timer, in particular a clock
  • a sensitivity of the fire detector is, for example, at night and / or on the basis of a signal available from the timer (a signal encoding a time or a time and date) Weekend, generally during specified or predefinable periods (time of day, weekday-dependent, calendar-based), increased.
  • the cloud service performs an algorithm to individually and dynamically adjust the automatic setting of the fire detector (IoT fire detector) on the basis of the current time of day.
  • the automatic setting of the fire detector can be based on the data available from other sensors, such as current or predicted environmental influences, weather data, a current room or building occupancy, an environmental load of particulate matter, environmental conditions such as haze or fog, etc., and the like the automatic setting of the at least one fire alarm are taken into account.
  • the invention is thus also a computer program, namely the cloud service, with program code instructions executable by a computer and, on the other hand, a storage medium with such a computer program, ie a computer program product with program code means, and finally also the abovementioned system, in which at least one memory a computer belonging to the cloud as a means for carrying out the method and its embodiments such a computer program is loaded or loadable.
  • the FIGURE shows a building with a fire detector and sensors whose sensor signals are taken into account when the fire detector is set automatically.
  • the illustration in the FIGURE shows in a schematically simplified form a fire detector 10 and other fire detectors 12, 14 in a building 16.
  • the type, the number and the position of the fire detectors 10-14 is not important in the following.
  • the fire detectors 10-14 are generally known per se, but at least networkable fire detectors 10-14.
  • a fire detector 10-14 may also be connected to a PoE line for electrical supply.
  • the description is continued in the interests of better readability for exactly one fire detector 10, wherein its position, sensor and evaluation principle is arbitrary, a plurality of fire detectors 10-14 is always read at the mention of a fire detector 10 and is considered by the description presented here includes.
  • an automatic adjustment (adjustment with respect to a sensitivity and / or a triggering behavior) of the fire detector 10 is provided.
  • the networkable fire detector 10 is communicatively or indirectly connected to the cloud 20.
  • a cloud service 24 is executed on at least one computer 22.
  • the cloud service 24 collects data 26 for automatic setting of the fire detector 10 and causes an automatic setting of the fire detector 10.
  • the fire detector 10 and the cloud service 24 are connected in a basically known manner directly or indirectly communicatively, for example via an Internet connection.
  • the cloud service 24 is communicatively connected to at least one sensor 30-38 in a likewise basically known manner.
  • the at least one sensor 30-38 is, for example, a sensor from the group of the following sensors: timer 30, temperature sensor 32, rain or humidity sensor 34, weather station 36, access control system 38. Further similar or similar sensors, for example a brightness sensor are also usable and should be construed as encompassed by the description presented herein.
  • a sensor 30-38 From a timer 30, a sensor signal encoding a time information, for example, a time or a time and a date, is available.
  • the cloud service 24 can use a time-coded sensor signal to determine if the likelihood that there are 16 people or not in the building is large or small (during the daytime the probability is high, at night the probability is low).
  • the fire detector 10 is set to be more sensitive at night and / or at weekends and less sensitive during the week.
  • the location of the timer 30 is basically arbitrary.
  • the timer 30 may be located in the building 16 as shown, remote from the building 16, or also located in the cloud 20, for example, as the clock of the computer 22.
  • a temperature sensor 32 as queried by the cloud service 24 sensor 30-38 is due to a sensor signal available from the temperature sensor 32 as automatic Adjustment of the fire detector 10, for example, proportional to the sensed temperature reduces the thermal sensitivity of the fire detector 10.
  • the height of a heat cushion in the factory building can thus be calculated, for example, by means of the cloud service 24 on a hot summer day, and the fire detector 10 can be set to be more optically sensitive and thermally less sensitive.
  • the temperature sensor 32 may be an independent temperature sensor 32 or be part of a comfort system (heating, ventilation, air conditioning) of the building 16, for example.
  • a humidity sensor 34 as queried by means of the cloud service 24 sensor 30-38, for example, the humidity in the environment of the fire detector 10 or inside the building 16 is considered and as automatic adjustment of the fire detector 10, for example, at a low humidity, the sensitivity of Fire detector 10 increased.
  • a weather station 36 mounted on the roof of the building 16 or remote from the building 16 as a sensor 30-38 interrogated by the cloud service 24
  • current weather data or weather forecast data are used to adjust the sensitivity of the fire detector 10, for example. for example, such that on a hot summer day, the fire detector 10 is set to be more optically sensitive and thermally less sensitive, and / or that the sensitivity of the fire detector 10 is increased during a predicted thunderstorm.
  • a temperature to be expected in a predetermined or predeterminable time horizon can be determined at the location of the fire detector 10 and the sensitivity of the fire detector 10 can be adjusted as a function of the determined, expected temperature ( increased sensitivity at high temperatures, reduced sensitivity at low temperatures).
  • the cloud service 24 automatically receives processable information about how many persons are in the building 16.
  • a person in a building 16 generates disturbances that are absorbed by the sensor of the fire detector 10.
  • the transmission of sensor signals from a sensor 30-38 into the cloud 20 is shown in the FIGURE in the form of dashed lines between the respective sensor 30-38 and the cloud 20.
  • the transmission of the sensor signals can be wired or non-conductive or even partially wired or conducted without wires.
  • the transmission of a control signal from the cloud 20 to the respective fire detector 10 is also shown in the illustration in the FIGURE in the form of dashed lines between the cloud 20 and the respective fire detector 10. Again, the transmission of a control signal or the control signals can be wired or non-conductive or even partially conducted or conducted without wires.
  • the sensitivity of the fire detector 10 is adjusted continuously or quasi-continuously based on the respective sensor signal, for example proportional or inversely proportional to the sensor signal.
  • a discontinuous adjustment may be made, for example an increase or decrease the sensitivity of the fire detector 10 when exceeding or falling below a threshold or limit.
  • a consideration of a plurality of threshold or limit values may be provided.
  • the respective dependence of the adaptation of the sensitivity of the fire detector 10 from the respective sensor signal is encoded in the form of computer program instructions as part of the cloud service 24.
  • data 26 is generated in the cloud and evaluated by means of the cloud service 24.
  • the sensitivity of the fire detector 10 may be adjusted, for example, based on a mathematical relationship between the fit and the temperature reading implemented in the cloud service 24 in software. This also applies to any other measured value from another sensor / sensor type 30-38.
  • a large number of data 26, for example a chronological sequence of temperature measured values can be evaluated in order, for example, to adapt the sensitivity of the fire detector 10 on the basis of a current temperature measured value and a tendency of the temperature measured values. This also applies to every other measured value from another sensor / sensor type 30-38.
  • the setting of a fire detector 10 described here applies equally to an automatic setting of a plurality of fire detectors 10-14.
  • each fire detector 10-14-as described here- can be adjusted individually.
  • all the fire detectors 10-14 of a building 16, part of a building, a floor or a room can be set the same as part of the automatic setting.
  • an IoT fire detector is 10-14, wherein for the automatic setting relevant data 26 of at least one networkable sensor 30-38, in particular at least one IoT sensor 30-38, are detected and wherein the data 26 from a cloud service 24th are processed and the cloud service 24 based on the data 26 generates a control signal for setting the fire detector 10-14 and outputs to the fire detector 10-14.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
EP17199862.8A 2017-11-03 2017-11-03 Procédé de réglage automatique d'un détecteur d'incendie, système pourvu d'un détecteur d'incendie réglable automatiquement et programme d'ordinateur permettant une mise en uvre dudit procédé Withdrawn EP3392854A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17199862.8A EP3392854A1 (fr) 2017-11-03 2017-11-03 Procédé de réglage automatique d'un détecteur d'incendie, système pourvu d'un détecteur d'incendie réglable automatiquement et programme d'ordinateur permettant une mise en uvre dudit procédé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17199862.8A EP3392854A1 (fr) 2017-11-03 2017-11-03 Procédé de réglage automatique d'un détecteur d'incendie, système pourvu d'un détecteur d'incendie réglable automatiquement et programme d'ordinateur permettant une mise en uvre dudit procédé

Publications (1)

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EP3392854A1 true EP3392854A1 (fr) 2018-10-24

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EP17199862.8A Withdrawn EP3392854A1 (fr) 2017-11-03 2017-11-03 Procédé de réglage automatique d'un détecteur d'incendie, système pourvu d'un détecteur d'incendie réglable automatiquement et programme d'ordinateur permettant une mise en uvre dudit procédé

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021214801A1 (de) 2021-12-21 2023-06-22 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Einstellung einer Sensitivität zumindest eines einzustellenden Brandmelders, Computerprogramm, maschinenlesbares Speichermedium, Brandmelder und Brandmeldeanlage

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556873A (en) * 1983-04-30 1985-12-03 Matsushita Electric Works, Ltd. Fire alarm system
US5552763A (en) * 1993-11-10 1996-09-03 Simplex Time Recorder Company Fire alarm system with sensitivity adjustment
US8620841B1 (en) * 2012-08-31 2013-12-31 Nest Labs, Inc. Dynamic distributed-sensor thermostat network for forecasting external events
EP2759994A2 (fr) * 2013-01-23 2014-07-30 Robert Bosch Gmbh Dispositif d'alerte d'incendie
US20150187194A1 (en) * 2013-12-29 2015-07-02 Keanu Hypolite Device, system, and method of smoke and hazard detection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4556873A (en) * 1983-04-30 1985-12-03 Matsushita Electric Works, Ltd. Fire alarm system
US5552763A (en) * 1993-11-10 1996-09-03 Simplex Time Recorder Company Fire alarm system with sensitivity adjustment
US8620841B1 (en) * 2012-08-31 2013-12-31 Nest Labs, Inc. Dynamic distributed-sensor thermostat network for forecasting external events
EP2759994A2 (fr) * 2013-01-23 2014-07-30 Robert Bosch Gmbh Dispositif d'alerte d'incendie
US20150187194A1 (en) * 2013-12-29 2015-07-02 Keanu Hypolite Device, system, and method of smoke and hazard detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021214801A1 (de) 2021-12-21 2023-06-22 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zur Einstellung einer Sensitivität zumindest eines einzustellenden Brandmelders, Computerprogramm, maschinenlesbares Speichermedium, Brandmelder und Brandmeldeanlage

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