EP1870866A1 - Détecteur de fumée - Google Patents

Détecteur de fumée Download PDF

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Publication number
EP1870866A1
EP1870866A1 EP06090117A EP06090117A EP1870866A1 EP 1870866 A1 EP1870866 A1 EP 1870866A1 EP 06090117 A EP06090117 A EP 06090117A EP 06090117 A EP06090117 A EP 06090117A EP 1870866 A1 EP1870866 A1 EP 1870866A1
Authority
EP
European Patent Office
Prior art keywords
smoke
light
smoke alarm
alarm device
test
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.)
Granted
Application number
EP06090117A
Other languages
German (de)
English (en)
Other versions
EP1870866B1 (fr
Inventor
Conrad Hubertus Siegfried Hagen
Hendrikus Antonius Navarro
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.)
Brunata Warmemesser Hagen & Co KG GmbH
Original Assignee
Brunata Warmemesser Hagen & Co KG GmbH
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 Brunata Warmemesser Hagen & Co KG GmbH filed Critical Brunata Warmemesser Hagen & Co KG GmbH
Priority to AT06090117T priority Critical patent/ATE464629T1/de
Priority to EP06090117A priority patent/EP1870866B1/fr
Priority to DE502006006707T priority patent/DE502006006707D1/de
Publication of EP1870866A1 publication Critical patent/EP1870866A1/fr
Application granted granted Critical
Publication of EP1870866B1 publication Critical patent/EP1870866B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G08B17/113—Constructional details
    • 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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/043—Monitoring of the detection circuits of fire detection circuits
    • 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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/10—Monitoring of the annunciator circuits

Definitions

  • the invention relates to a smoke alarm device comprising a housing with a smoke inlet and a smoke sensor device for detecting smoke entering the smoke alarm device through the smoke inlet in order to trigger an alarm signal.
  • Smoke alarms of the designated type are usually designed as photoelectric smoke detectors.
  • the smoke sensor device then works with stray light in an optical chamber.
  • the smoke detectors are installed on ceilings or walls in hotels, larger residential buildings, department stores, public buildings, etc. They are also used in smaller living or room units.
  • the smoke detectors usually warn with an acoustic signal when smoke is generated in the event of a fire.
  • photoelectric smoke detectors such as the basic principle in US 2006/0017580 described, are well known.
  • the functionality of the smoke alarm must be ensured to a special degree.
  • standards eg German DIN standard 14676
  • it is required to subject the smoke detector to a functional test at least once a year.
  • An essential part of such a test is to check whether the smoke intrusion openings of the smoke detector are free. These can in particular by adhesive tape, paint or contamination z. B. be closed after renovations.
  • the test is usually done by visual inspection. Instead, or in addition, a test method is to spray the smoke alarm with a smoke spray to test the proper warning function.
  • a portable computer system US 6,469,623 .
  • electronic circuits of smoke sensor devices are equipped with a self-test function.
  • the aim is to ensure that the smoke penetrant ability is tested independently of the presence of smoke and without inspection by maintenance personnel.
  • the smoke inlet has at least one passage area, which is associated with a passage-testing device, which detects the passage capability for smoke in the passage area, regardless of the presence of smoke.
  • at least one smoke passage area is used to determine its opening state with technical means directly on the housing of the smoke alarm. This avoids the usual visual inspection and / or simulating smoke development.
  • the test without subjective evaluation by maintenance personnel, at any time, without external interference, in particular by controlling with a test / test program and possibly with a protocol test data acquisition possible.
  • the invention makes use in a particular embodiment of external light incident in the smoke inlet passage area to advantage.
  • a smoke-input passage area to be inspected for passability which is accessible to outside light, is assigned an optical transmission tester which measures incident outside light according to the transmittance. It is particularly advantageous if the smoke inlet passage area with an impurities such as dust, insect od.
  • Retaining filter is particularly equipped in the form of a grid and the light measurement on the filter and / or in the smoke inlet behind the smoke inlet facing away from the inside of the filter is set up.
  • the filter achieves that, in particular, a labyrinth system which surrounds a scattered-light sensor device within the smoke detector and prevents the penetration of external / extraneous light there is not contaminated.
  • a labyrinth system which surrounds a scattered-light sensor device within the smoke detector and prevents the penetration of external / extraneous light there is not contaminated.
  • the optical transmission test device has at least one light-detecting measuring element.
  • the light measuring element is formed by a ring element that extends in accordance with a circumferential extent of the smoke inlet with this.
  • the ring member is advantageously formed transversely to the circumferential extent and corresponding to the width of the smoke inlet.
  • Such an element may advantageously have a waveform.
  • An embodiment of the ring element may be that it is designed as a light guide in the form of an open ring with at least one open ring end provided light exit surface, which is associated with a light receiving element of the optical test device.
  • At least one light measuring element can also be formed by a lens, a prism and / or a light-conducting body in order to take into account special spatial conditions at the smoke passage area for detecting its light-opening area.
  • At least a part of a wall of the smoke inlet form a light measuring element.
  • a particularly simple design can also consist in that at least a part of an impurity-retaining filter forms a light-measuring element.
  • At least one light-conducting measuring element determining the light path it will be expedient for at least one light-conducting measuring element determining the light path to be arranged in combination with at least one light-receiving element.
  • at least one light measuring element without the interposition of a light-conducting measuring element can also be formed by a light-receiving element.
  • a light receiving element is expediently formed in the form of a semiconductor element, a photodiode or the like.
  • an embodiment may be that a plurality of light-receiving elements in a fan arrangement with aligned to the smoke inlet open fan side and a light receiver facing closed fan side are provided.
  • At least one light measuring element is formed by a light receiving element that changes its electrical resistance when exposed to light.
  • This version is particularly suitable for measuring elements that form parts of the detector housing, walls and / or grille or their components.
  • the invention provides for optical test measurement of smoke intrusion, that the passage tester of the smoke alarm is in communication with a scholarlichtmelario arranged outside the smoke inlet passage area conveniently outside of the smoke alarm and for generating Test light is aligned with the smoke inlet passage area.
  • the smoke detector is set up with an acoustic test device, which is connected and connected to an acoustic alarm transmitter of the smoke sensor device for testing the alarm function.
  • the acoustic test device is set up with a microphone which receives an alarm signal triggered by the acoustic test device.
  • the alarm emits a low-frequency, audible signal by means of the test device for a predetermined test time
  • the acoustic test device can also be switched so that it generates a high-frequency inaudible signal on the acoustic alarm, the is received by a suitable microphone and is also representative of the functionality of the alarm in the listening area.
  • a further embodiment consists in that the smoke alarm device has an installation test device which is connected to and connected to a position sensor for checking the mounting position.
  • the housing of the smoke alarm on a working against the mounting surface spring means with an electrical switch, which is triggered when relaxing the spring due to disassembly of the smoke alarm to generate a test signal.
  • the smoke detector can be conveniently set up with a self-diagnostic test device for functional testing of the smoke sensor device and possibly other circuits.
  • the smoke detector also preferably has a supply test device for testing the electrical power supply.
  • the smoke detector is set up with a programmable electronic signal processing and control circuit that controls and evaluates the test operation of equipped with at least one test device Rauchwammelders.
  • the electronic signal processing and control circuit is connected and connected to at least one memory device which stores the operating and test results of the test operation.
  • the smoke alarm device is expediently equipped with the smoke passage test device, an acoustic test device, an installation test device, a power supply test device and a self-diagnostic test device, which are operated in combination by means of the control circuit.
  • the passage testing device can be electrically connected and connected to a visual and / or acoustic signal / alarm device arranged on the smoke alarm device in order to receive a message on site if the smoke passage is disturbed.
  • a device for transmitting device, operating and / or test data to a location remote from the smoke detector Data collector device set up.
  • the device is set up as a data communication device in the form of a radio transponder.
  • the embodiment of the invention with a plurality of test devices and with the data transmission device in conjunction with a data collector device is of particular importance.
  • the test can be carried out and recorded completely automatically without entering the room in which the smoke alarm device is installed. You get a readiness for use test that goes beyond the level of testing and allows you to diagnose and repair malfunctions in the short term after they occur and to perform maintenance on a detector with targeted planning and without much delay.
  • requirements for a prescribed function control for example at the annual intervals, are more than fulfilled.
  • the housing 11 has uniformly distributed over the circumference opening slots 21, which are divided by webs 12 in the circumferential slots, each extending over one-eighth of the circumference.
  • a plurality of such slots 21, for example three are arranged over the flat housing height of the smoke alarm device 1.
  • a conventional smoke sensor device 5 is arranged inside the smoke alarm device 1. Housing interior parts of the smoke alarm device 1 form a labyrinth 41 surrounding the smoke sensor device 5. This ensures that extraneous light L incident from the outside can not enter an optical darkroom 4 and no light is reflected by housing walls, while smoke R penetrates into the chamber 4.
  • the smoke sensor device 5 has an infrared light-emitting diode (transmitting diode) 51 and a photodiode (receiver diode) 52 and a reflection wall 53. With these elements, the smoke sensor device 5 operates in the scattered light method. Pure air does not reflect light. But are smoke particles 54 in the optical chamber 4, then a portion of the light emitted from the diode 51 light is scattered, so that a portion of the light can reach the diode 52, whereby by means of an electronic circuit 50 of the smoke sensor device 5 an alarm / sounder 61 (Fig. 5) is triggered.
  • a test device 3 is formed, which is independent of the presence of smoke, the permeability detects smoke in the passage area of the housing openings 21 and the impurity / dust filter 22.
  • the passage testing device 3 comprises a first measuring element 31 and a second measuring element 32.
  • the first measuring element 31 is formed by a circular open ring element. This is shown in Fig. 2 in side view. It is dimensioned so that it is located in the region between the filter 22 and the outer wall 42 of the labyrinth directly at a small distance next to the inside of the filter 22.
  • ring members are formed of simple bodies in the form of an open loop for light.
  • This ring line may suitably made of plastic fiber, z. B. be made of polyamide fibers.
  • a portion of a line, string, or strand of such a plastic may be placed in the proper ring shape.
  • the plastic material is transparent and light-conducting. It is important that the ring element 31 receives at its periphery an angle incident light L by refraction of light and forwards in the ring to light exit surfaces 310 at its open ends. These light exit surfaces 310 are located at vertically bent open ring ends, and they face the arranged in a dark room light measuring element 32.
  • This is formed by an electro-optical light receiver.
  • a photosensitive semiconductor element, a photodiode or a corresponding light-responsive electro-optical device may be provided.
  • the light receiving element 32 is connected to an electronic signal processing and control circuit 8, as shown schematically in Fig. 5.
  • the ring elements 31 are suitable for installation in the housing of conventional smoke detectors.
  • the optical fiber strand for example, has a diameter of about 2 mm, reliably detects the light region of slot openings 21, the transverse to the circumferential extent of the element 31 substantially, z. B. about six times larger than the diameter of the element 31 may be. It can be seen that no significant disturbance or obstruction of the smoke inlet path takes place through the element 31. 2, a simply shaped ring is formed. Should the width of the smoke inlet 2 in the height of the smoke detector 1 be relatively large or should it be necessary to detect and detect even very small light intensities and / or light from different directions, then, as shown in FIGS.
  • the light guide ring in the width dimension of the smoke inlet 2 formations, for example, in waveform received to increase the light absorption.
  • a fiber strand of polyamide or other suitable photoconductive plastic which can be plastically deformed in particular for shaping. Any other material capable of trapping light along a body formed of the material and conducting it to at least one exit surface is contemplated for the conduction of light. As far as these requirements are met, for example, measuring element body made of fiberglass material are conceivable.
  • the shape and characteristics of light-receiving and conductive measuring elements of the test device 3 are determined according to the type and design of a smoke detector.
  • other light-receiving, collecting and / or conductive elements such as rod-shaped elements, lenses and prisms into consideration.
  • the received or collected light is directed to one or more light receiving elements 32 in a dark room in the detector housing 11 of the smoke alarm device 1.
  • light receiving elements may also be provided in a fan arrangement with an open fan side aligned with the smoke inlet and with a closed fan side facing the light receiver.
  • a fan arrangement with an open fan side aligned with the smoke inlet and with a closed fan side facing the light receiver.
  • different adapted arrangements are conceivable.
  • other parts of the housing may be formed as light-conducting elements in the region of the smoke inlet 2.
  • the ring measuring elements 31 shown in FIGS. 2 and 3 can also be designed as elements that change their electrical resistance when exposed to light.
  • the rings then work directly as Lichtability- and receiving elements, so that they can be used without additional receiving elements and their resulting resistance change signals directly an electronic signal processing and control circuit 8 can be supplied.
  • at least parts of the housing walls of the smoke inlet openings and / or parts of an impurity dust filter 22 may be formed of light-responsive resistance elements to perform the light measurement representing the inlet and passage of smoke in the smoke alarm device.
  • Fig. 5 shows in a block diagram an embodiment of a smoke alarm device 1 according to the invention, which is equipped with the passage tester 3 and other test equipment, namely an acoustic test device 6, an installation tester 71, a power supply and test device 72 and a self-test diagnosis Testing device 73.
  • the smoke alarm device 1 is also equipped with an electronic signal processing and control circuit 8, which evaluates measured signals, a memory device 81 and a radio data transmission device 82.
  • FIG. 4 shows electronic building modules for the electronic devices 3 and 82.
  • the device 82 is provided with a transmitting / receiving antenna 83. Non-visible modules for the other devices are also housed in the housing 11.
  • the power supply 72 includes a battery.
  • a test / test operation is started by a program of the signal processing and control circuit 8.
  • Such electronics are provided in the form of a central control logic with CPU. Any other suitable circuit, program and control logic may be used.
  • the test program tests the passage tester 3. The intensity of the light detected by the measuring elements 31 and 32 is measured and compared with a stored calibrated value. The comparison result is fed to the circuit 8 and stored in the memory device 81.
  • the program also performs a test of the acoustic test device 6.
  • a test generator 63 generates a low or high frequency signal which is applied to an alarm / sounder 61 and received by a microphone 62. The signal received thereby is applied via the device 6 to the circuit 8, which supplies the memory device 81 with a corresponding value representing the function status.
  • the installation tester 71 is provided to check the correct mounting position of the smoke alarm device 1.
  • the correct attachment to a building ceiling or wall is detected by means of a switching contact of the smoke detector 1, not shown.
  • a spring-loaded be set electrical switch whose contact is interrupted when the spring load is eliminated by removing the detector 1 from the wall or ceiling.
  • the state of the switch is, processed in the course of the controlling test program, by the circuit 8 and the memory device 81 is supplied.
  • the smoke alarm device comprises the self-test diagnostic test device 73, which tests the function of the smoke sensor device 5 in the exemplary embodiment.
  • self-diagnostic facilities may be provided for the functions of the aforementioned test facilities.
  • the detector 1 is still equipped with the power supply and test device 73 for checking the power supply to all devices.
  • the electronic signal processing and control circuit 8 evaluates the individual measurement results and signals and supplies the evaluation results to the memory device 81.
  • the circuit 8 takes into account the program operation and the evaluation time and calendar data.
  • the transmission device 82 (radio module) is expediently set up in the form of a known transponder.
  • transponders are known, for example, for consumption data acquisition. Suitable transponders are used for example in DE 10 2004 055 659 described.
  • the transponder is equipped for data communication with a receiver, not shown.
  • the device 82 or the transponder cooperate with a data collector 9 shown in FIG.
  • Data collector 9 and transponder 82 correspond to each other via radio signals from each transmitter and receiver.
  • the data collector 9 is assigned a plurality of smoke detectors 1 of a residential or building unit.
  • the stored data is transmitted to the receiving data collector 9 immediately or at a predetermined time.
  • the reproduced in Fig. 6 protocol to a smoke detector 1 is created.
  • this also records characteristic smoke detector data such as location information, device number and installation date.
  • control program of the circuit 8 is set up so that the test is distributed over a day several times, for example three times, to ensure that at least in a time window for a clearly detectable and differentiable measurement enough light is available. If only one of the evaluated results is outside a prescribed tolerance taken into account with the circuit 8, this becomes visible in the protocol.
  • the test process is terminated by the test and test program and triggered again at the next programmed date.
  • the test / test program in the smoke detector 1 can also be triggered by the data collector 9.
  • the data collector 9 comes to a test function. Thus, during installation, it is supplied with characteristic data by individual assigned smoke alarm devices. The test / test programs of a series of smoke detectors 1 in a residential / building unit are timed to each other. If a new protocol is created as part of this process, then the data collector 9 checks in the sequence whether the data is transferred from the group of reserved devices. If the data transmission of a smoke alarm device of the group is missing, this is recorded as a total failure of the relevant smoke alarm device in the protocol. A protocol that has been created in this way with the devices according to the invention is read out at least once a year.
  • a service technician is instructed to inspect the identified smoke alarm device, remedy the fault and, if necessary, to replace the device. It can be seen that in particular site inspections which have traditionally been necessary for the examination of the ability to smoke are dispensed with by the measures according to the invention.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP06090117A 2006-06-24 2006-06-24 Détecteur de fumée Not-in-force EP1870866B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT06090117T ATE464629T1 (de) 2006-06-24 2006-06-24 Rauchwarnmelder
EP06090117A EP1870866B1 (fr) 2006-06-24 2006-06-24 Détecteur de fumée
DE502006006707T DE502006006707D1 (de) 2006-06-24 2006-06-24 Rauchwarnmelder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06090117A EP1870866B1 (fr) 2006-06-24 2006-06-24 Détecteur de fumée

Publications (2)

Publication Number Publication Date
EP1870866A1 true EP1870866A1 (fr) 2007-12-26
EP1870866B1 EP1870866B1 (fr) 2010-04-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06090117A Not-in-force EP1870866B1 (fr) 2006-06-24 2006-06-24 Détecteur de fumée

Country Status (3)

Country Link
EP (1) EP1870866B1 (fr)
AT (1) ATE464629T1 (fr)
DE (1) DE502006006707D1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014991B3 (de) * 2008-03-19 2009-03-12 Job Lizenz Gmbh & Co. Kg Verfahren und Warnmelder, insbesondere Rauchmelder
EP2104078A2 (fr) * 2008-03-19 2009-09-23 Ista International GmbH Détecteur de fumée
EP2189956A1 (fr) 2008-11-21 2010-05-26 Hekatron Vertriebs GmbH Détecteur d'incendie et procédé destiné à la reconnaissance d'impuretés
DE102015004458A1 (de) 2014-06-26 2015-12-31 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren für einen klassifizierenden, rauchkammerlosen Luftzustandssensor
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
EP3073458A1 (fr) 2015-03-23 2016-09-28 Siemens Schweiz AG Dispositif d'alerte d'incendie doté d'un agencement à écran diffusant dans la zone d'un orifice d'entrée de fumée destiné à la surveillance de l'encrassement
EP3113133A3 (fr) * 2015-06-29 2017-05-17 Atral-Secal GmbH Detecteur de fumee dote d'un dispositif combine de detection de particule et de recouvrement de l'orifice d'entree de fumee
EP4339914A1 (fr) * 2022-09-19 2024-03-20 Atral-Secal GmbH Dispositif et procédé de fonctionnement d'un détecteur de fumée

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02227800A (ja) 1989-02-28 1990-09-10 Hochiki Corp 光電式煙感知器
EP0503167A1 (fr) * 1991-03-12 1992-09-16 Matsushita Electric Works, Ltd. Détecteur de fumée et procédé pour tester un tel détecteur
WO1994018653A1 (fr) * 1993-02-15 1994-08-18 Cerberus Ag Dispositif permettant de verifier des detecteurs de fumee
US5568133A (en) * 1993-03-19 1996-10-22 Cerberus Ag Fire alarm
WO1998008205A1 (fr) * 1996-08-20 1998-02-26 Mcbride Wilson Robert James Perfectionnements portant sur la detection et l'enregistrement d'evenements
US6469623B2 (en) 2001-01-26 2002-10-22 Gentex Corporation Smoke detector maintenance and verification tool
WO2003067542A1 (fr) * 2002-02-06 2003-08-14 No Climb Products Procede et appareil pour controler des detecteurs d'incendie
US20040217857A1 (en) * 2003-04-30 2004-11-04 Gary Lennartz Smoke detector with performance reporting

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02227800A (ja) 1989-02-28 1990-09-10 Hochiki Corp 光電式煙感知器
EP0503167A1 (fr) * 1991-03-12 1992-09-16 Matsushita Electric Works, Ltd. Détecteur de fumée et procédé pour tester un tel détecteur
WO1994018653A1 (fr) * 1993-02-15 1994-08-18 Cerberus Ag Dispositif permettant de verifier des detecteurs de fumee
US5568133A (en) * 1993-03-19 1996-10-22 Cerberus Ag Fire alarm
WO1998008205A1 (fr) * 1996-08-20 1998-02-26 Mcbride Wilson Robert James Perfectionnements portant sur la detection et l'enregistrement d'evenements
US6469623B2 (en) 2001-01-26 2002-10-22 Gentex Corporation Smoke detector maintenance and verification tool
WO2003067542A1 (fr) * 2002-02-06 2003-08-14 No Climb Products Procede et appareil pour controler des detecteurs d'incendie
US20040217857A1 (en) * 2003-04-30 2004-11-04 Gary Lennartz Smoke detector with performance reporting

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008014991B3 (de) * 2008-03-19 2009-03-12 Job Lizenz Gmbh & Co. Kg Verfahren und Warnmelder, insbesondere Rauchmelder
EP2104078A2 (fr) * 2008-03-19 2009-09-23 Ista International GmbH Détecteur de fumée
EP2104079A1 (fr) 2008-03-19 2009-09-23 Job Lizenz GmbH & Co. KG Procédé et alarme sonore, notamment détecteur de fumées
EP2104078A3 (fr) * 2008-03-19 2012-06-13 ista International GmbH Détecteur de fumée
EP2189956A1 (fr) 2008-11-21 2010-05-26 Hekatron Vertriebs GmbH Détecteur d'incendie et procédé destiné à la reconnaissance d'impuretés
DE102015004458A1 (de) 2014-06-26 2015-12-31 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren für einen klassifizierenden, rauchkammerlosen Luftzustandssensor
DE102014019773A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons
DE102014019172A1 (de) 2014-12-17 2016-06-23 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
EP3073458A1 (fr) 2015-03-23 2016-09-28 Siemens Schweiz AG Dispositif d'alerte d'incendie doté d'un agencement à écran diffusant dans la zone d'un orifice d'entrée de fumée destiné à la surveillance de l'encrassement
EP3113133A3 (fr) * 2015-06-29 2017-05-17 Atral-Secal GmbH Detecteur de fumee dote d'un dispositif combine de detection de particule et de recouvrement de l'orifice d'entree de fumee
EP4339914A1 (fr) * 2022-09-19 2024-03-20 Atral-Secal GmbH Dispositif et procédé de fonctionnement d'un détecteur de fumée

Also Published As

Publication number Publication date
DE502006006707D1 (de) 2010-05-27
EP1870866B1 (fr) 2010-04-14
ATE464629T1 (de) 2010-04-15

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