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EP1376504A1 - Capteur de fumée par diffusion de lumière - Google Patents

Capteur de fumée par diffusion de lumière Download PDF

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Publication number
EP1376504A1
EP1376504A1 EP02013656A EP02013656A EP1376504A1 EP 1376504 A1 EP1376504 A1 EP 1376504A1 EP 02013656 A EP02013656 A EP 02013656A EP 02013656 A EP02013656 A EP 02013656A EP 1376504 A1 EP1376504 A1 EP 1376504A1
Authority
EP
European Patent Office
Prior art keywords
light
smoke detector
detector according
housing
measuring chamber
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
EP02013656A
Other languages
German (de)
English (en)
Other versions
EP1376504B1 (fr
Inventor
Kurt Dr. Hess
Urs Riedi
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 Building Technologies 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
Priority to ES02013656T priority Critical patent/ES2259353T3/es
Application filed by Siemens Building Technologies AG filed Critical Siemens Building Technologies AG
Priority to DK02013656T priority patent/DK1376504T3/da
Priority to EP02013656A priority patent/EP1376504B1/fr
Priority to AT02013656T priority patent/ATE318434T1/de
Priority to PT02013656T priority patent/PT1376504E/pt
Priority to DE50205854T priority patent/DE50205854D1/de
Priority to PCT/CH2003/000380 priority patent/WO2004001693A1/fr
Priority to JP2004514496A priority patent/JP2005530256A/ja
Priority to CA002490019A priority patent/CA2490019A1/fr
Priority to AU2003233744A priority patent/AU2003233744B2/en
Priority to KR1020047020787A priority patent/KR100998373B1/ko
Priority to PL03373350A priority patent/PL373350A1/xx
Priority to HU0501097A priority patent/HUP0501097A2/hu
Priority to CN038142694A priority patent/CN1662942B/zh
Priority to US10/518,616 priority patent/US7365846B2/en
Publication of EP1376504A1 publication Critical patent/EP1376504A1/fr
Priority to NO20050323A priority patent/NO331437B1/no
Application granted granted Critical
Publication of EP1376504B1 publication Critical patent/EP1376504B1/fr
Priority to US11/873,773 priority patent/US20080266558A1/en
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
    • 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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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

Definitions

  • the present invention relates to a scattered light smoke detector with an optical measuring chamber, which a sensor arrangement with at least one light source and a light receiver and a labyrinth system with apertures disposed at the periphery of the measuring chamber, wherein the at least one light source and the light receiver each in a housing are arranged.
  • the optical measuring chamber designed so that disturbing ambient light is not and smoke very easily in this can penetrate.
  • the at least one light source and the light receiver are arranged that no light rays on the direct way from the at least one light source for Receiver can arrive. In the presence of smoke particles in the beam path is the Light scattered the at least one light source to this and a portion of this scattered light is noticeable the light receiver and causes an electrical signal.
  • the invention will now be given a scattered light smoke detector of the type mentioned in which the light-penetrating optical surfaces pollute as little as possible, so that the detector has a constant sensitivity.
  • the said housing have an elongated shape and have a small window opening, and that the at least a light source and the light receiver are arranged in the rear part of their housing, so that between the window openings of the housing and the light-penetrated optical Areas of the at least one light source and / or the light receiver a relative large distance is formed.
  • Another advantage of the inventive arrangement is that the respective beam have a relatively small cross-section, so that the reaching to the light receiver Scattering light with high safety of smoke particles in the center of the measuring chamber and not from dust particles deposited on its bottom.
  • a first preferred embodiment of the inventive smoke detector is characterized characterized in that said distance is greater than the diameter of said optical surfaces.
  • a second preferred embodiment of the smoke detector according to the invention is characterized characterized in that the measuring chamber is bounded above by a carrier disk, of which protrude said housing down, and that the labyrinth system is a lid-like, fixable on the support plate and having a bottom and a side wall Component forms, which can be plugged from below onto the carrier disk.
  • a third preferred embodiment of the smoke detector according to the invention is characterized characterized in that at least one of the window openings of said housing of enclosed in a one-piece frame
  • a fourth preferred embodiment of the smoke detector according to the invention is characterized characterized in that said housing except the window openings down are open and that the bottom of said component has covers for the housing.
  • a fifth preferred embodiment is in the measuring chamber between the Light exit or light entry side of the housing and the opposite aperture compact, exposed spreading room formed.
  • a further preferred embodiment of the smoke detector according to the invention is characterized characterized in that on the carrier disk, a contact strip for the electrical connection the detector is arranged with a provided in a detector base connector strip, and that said electrical connection by a tangential movement of contact strip and / or power strip.
  • the contact strip on the top of the carrier disk integrated in so-called insert technology.
  • the smoke detector shown in Figures 1 to 4 consists in a known manner of three Main components, a socket 1, an optical sensor system 2 and a housing. 3 This structure is best seen in Fig. 3.
  • Fig. 2 shows in a cross section through the Detector looking from below a view of part of the optical sensor system. 2
  • the base 1 is intended for mounting on the ceiling of the space to be monitored, wherein Mounting either directly on a flush-mounted box or surface-mounted with or without additional pedestal he follows.
  • the base 1, which consists essentially of a circular plate and a down protruding edge web, contains, inter alia, a connector strip 4 (Fig. 3, 4), which for Receiving a connected to the sensor system contact strip 5 (Fig. 4) is provided.
  • the optical sensor system 2 includes a plate-shaped support 6 for the optical sensor, a fixed to the underside of the carrier 6 lid-shaped labyrinth 7, one at the base 1 facing upper side of the carrier 6 arranged circuit board 8 with the transmitter and the circuit board 8 at the edge and upwardly covering cover 9, which Part of the housing 3 forms.
  • the contact strip 5 is an integral part of the support plate 6 and sticks out of it.
  • the cover 9 has substantially the shape of a plate with a peripheral collar at the edge and with an opening 10 for the passage of Contact strip 5, so that this protrudes into the plane of the socket 1 arranged in the socket 1.
  • the apparent from Fig. 2 optical sensor includes a through the support 6 and the labyrinth. 7 formed measuring chamber with a light receiver 11 and two light sources 12, 12 ', respectively in a housing 13, 14, 15 are arranged.
  • These housings consist of a bottom part, in which the respective diode (photodiode or IRED) is held, and at its the center the measuring chamber facing front a window opening for the light inlet or light exit having.
  • IRED photodiode
  • the measuring chamber is in the measuring chamber in the area in front of the said window-like openings of the housing 13, 14, 15 formed scattering space compact and exposed trained.
  • This arrangement and design makes the detector for use a transparent body for smoke simulation which can be used in this scattering room best for. Such transparent bodies are used to balance or test the Smoke sensitivity used in the manufacture of the detectors (see EP-B-0 658 264).
  • the frames of the window openings are formed integrally at least in the housings 14 and 15, whereby the tolerances for the smoke sensitivity are reduced.
  • the window frames consist of two parts, one of which the ceiling and the other is attached to the bottom of the measuring chamber.
  • the windows are rectangular or square and between the window openings and the associated light source 12, 12 'and the Lens of the associated light receiver 11 is a relatively large distance, resulting in a gives relatively small aperture angle of the respective light beams.
  • a small opening angle the light rays has the advantage that on the one hand hardly light of the light sources 12, 12 'on the Ground meets and on the other hand, the light receiver 11 does not "see” the ground, so that on the Soil deposited dust particles can not produce disturbing stray light.
  • Another advantage the large distance between the windows and the light source 12, 12 'and the lens of the light receiver 11 is that the light-penetrated optical surfaces lie relatively deep inside the housing and are thus well protected against contamination, which results in a constant sensitivity of the opto-electronic elements.
  • the labyrinth 7 consists of a bottom and peripherally arranged apertures 16 and it contains flat lid for said housing 13, 14, 15.
  • the bottom and the panels 16 are used for shielding the measuring chamber against extraneous light from the outside and for suppression of the so-called background light (see also EP-A-0 821 330 and EP-A-1 087 352).
  • the peripherally arranged aperture 16 each consist of two legs and have an L-shaped Build up. Due to the shape and the arrangement of the aperture 16, in particular also by their mutual distance, it is ensured that the measuring chamber is sufficient shielded against extraneous light and still their function with an optical test device (EP-B-0 636 266) can be checked.
  • the panels 16 are arranged asymmetrically, so that smoke from all directions can penetrate similarly well into the measuring chamber.
  • the directed against the measuring chamber leading edge of the aperture 16 is formed as sharp as possible, so that little light can fall on such an edge and be reflected.
  • the arrangement of the two light sources 12 and 12 ' is chosen so that the optical axis of Light receiver 11 with the optical axis of a light source, according to the representation Light source 12, one blunt and with the optical axis of the other light source, according to the representation the light source 12 ', an acute angle includes.
  • the light of the light source 12, 12 ' is scattered by penetrating into the measuring chamber smoke and a part of this Stray light falls on the light receiver 11, wherein at an obtuse angle between the optical axes of light source and light receiver of forward scattering and at a acute angle between the optical axes of backward scattering speaks.
  • active or passive polarization filter For better discrimination between different aerosols in the beam path transmitter and / or receiver side active or passive polarization filter can be provided.
  • the Carrier 6 is prepared accordingly and has provided in the housings 13, 14 and 15 Grooves (not shown) in which polarizing filters can be fixed.
  • polarizing filters can be fixed.
  • As another Option can be used as light sources 12, 12 'diodes, which radiation in the wavelength range of visible light (see EP-A-0 926 646), or the light sources can emit radiation of different wavelengths, for example the one Light source red and the other blue light.
  • the housing 3 of the smoke detector is constructed essentially in two parts and consists of the already mentioned cover 9 and the optical sensor system 2 comprehensive detector hood 17.
  • the latter consists of an upper annular part and a distance from this, the dome of the detector forming plate, which with the upper annular part is connected by arched or rib-like webs 18.
  • the designated by the reference numeral 19 Gap between the upper and the lower part of the detector hood 17th forms an over the entire housing circumference opening for the ingress of air and Thus, smoke to the optical sensor system 2, this opening only by the relatively narrow Webs 18 is interrupted.
  • the detector hood 17 and the cover 9 are on the carrier 6 via hook-like snap closures Fixed (not shown) and the entire detector is mounted in the base 1.
  • a ring 20 is inserted, which is an insect screen 21 from a wearing suitable flexible material.
  • the attachment the detector in the base 1 is done by a kind of bayonet lock.
  • the detector is from below pushed into the base 1, which is due to a guide ribs and guide grooves formed mechanical coding only in a single relative position between detectors and
  • the contact strip 5 is integrated on the upper side of the carrier 6 in so-called insert technique and made in one piece with the carrier 6.
  • plug contacts of the contact strip 5 are the electrical connections to a cast into the carrier 6 stamped part with metallic, conducted against each other insulated metal conductors. The free ends of these metal conductors protrude in addition to the contact strip 5 from the carrier 6 and form contact points for the production of Soldered connections to the evaluation electronics on the printed circuit board 8.
  • a component is formed on the bottom of the component forming the labyrinth 7 Fastened light conductor 22, on the one hand up to the circuit board 8 and on the other hand by a Bore in the lower part of the detector hood 17 protrudes from the detector hood.
  • the detector hood is in Area of said bore provided with a spherical recess 23, which is the free Surrounds the end of the light guide 22.
  • the light guide 22 serves as a so-called alarm indicator for visual display of alarm conditions of the detector.
  • On the circuit board 8 is for this purpose an LED (not shown) is provided, which is activated in an alarm condition and the Light guide 22 applied with light.
  • the alarm indicator requires little power and it is because it is in the area of the detector's apex lies, practically visible on all sides.
  • the all-round visibility is only from a perspective from 20 ° to the horizontal, but since the detector is mounted on the ceiling, this is Condition fulfilled in most cases.
  • FIG. 2 is the Optical fiber 22 is guided in the region between the housings 14 and 15 through the measuring chamber.
  • the two housings 14 and 15 are connected to each other at their front side and thus form with their inner side surfaces and the connecting surface between these one the light guide 22 surrounding wall, which the scattering space of the measuring chamber against the light guide 22 largely shields.
  • the smoke detector described so far is a purely optical detector with smoke detection based on the scattered light caused by smoke particles that have penetrated into the measuring chamber.
  • the detector can be designed as a two-criteria detector and additionally contain a temperature sensor.
  • two temperature sensors 24 formed by NTC resistors are provided, which are arranged in the region of two mutually opposite webs 18.
  • the webs 18 have in the middle of an elongated recess 25, in which from above the temperature sensors 24 protrude, which are mounted on the circuit board 8.
  • Optical thermal detectors are known, so that a description of the signal evaluation is omitted here.
  • the detector could contain other sensors, such as a fire gas sensor (CO, NO x ), which could be arranged at correspondingly small dimensions within the measuring chamber.
  • CO, NO x fire gas sensor
  • optical, optical-thermal and thermal fire detectors in use, with these still come gas detectors can.
  • the optical, thermal and optical thermal detectors additionally have a fire gas sensor.
  • the detector shown covers the variants optically and optically-thermally (possibly supplemented by a fire gas sensor), wherein Of course, no temperature sensors 24 are provided in the purely optical detector. Apart from that, but is the detector structure in the two variants described so far mechanically completely the same.

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
EP02013656A 2002-06-20 2002-06-20 Capteur de fumée par diffusion de lumière Expired - Lifetime EP1376504B1 (fr)

Priority Applications (17)

Application Number Priority Date Filing Date Title
DK02013656T DK1376504T3 (da) 2002-06-20 2002-06-20 Rögdetektor med spredt lys
EP02013656A EP1376504B1 (fr) 2002-06-20 2002-06-20 Capteur de fumée par diffusion de lumière
AT02013656T ATE318434T1 (de) 2002-06-20 2002-06-20 Streulichtrauchmelder
PT02013656T PT1376504E (pt) 2002-06-20 2002-06-20 Detector de fumos por difusao de luz
DE50205854T DE50205854D1 (de) 2002-06-20 2002-06-20 Streulichtrauchmelder
ES02013656T ES2259353T3 (es) 2002-06-20 2002-06-20 Detector de humos por dispersion de luz.
CN038142694A CN1662942B (zh) 2002-06-20 2003-06-13 散射光报警器
CA002490019A CA2490019A1 (fr) 2002-06-20 2003-06-13 Detecteur de fumee a diffusion
PCT/CH2003/000380 WO2004001693A1 (fr) 2002-06-20 2003-06-13 Detecteur de fumee a diffusion
KR1020047020787A KR100998373B1 (ko) 2002-06-20 2003-06-13 산란된 광 스모크 탐지기
PL03373350A PL373350A1 (en) 2002-06-20 2003-06-13 Scattered-light smoke detector
HU0501097A HUP0501097A2 (en) 2002-06-20 2003-06-13 Scattered-light smoke detector
JP2004514496A JP2005530256A (ja) 2002-06-20 2003-06-13 散光型煙警報器
US10/518,616 US7365846B2 (en) 2002-06-20 2003-06-13 Scattered light smoke detector
AU2003233744A AU2003233744B2 (en) 2002-06-20 2003-06-13 Scattered-light smoke detector
NO20050323A NO331437B1 (no) 2002-06-20 2005-01-20 Spredtlysroykvarsler
US11/873,773 US20080266558A1 (en) 2002-06-20 2007-10-17 Scattered Light Smoke Detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02013656A EP1376504B1 (fr) 2002-06-20 2002-06-20 Capteur de fumée par diffusion de lumière

Publications (2)

Publication Number Publication Date
EP1376504A1 true EP1376504A1 (fr) 2004-01-02
EP1376504B1 EP1376504B1 (fr) 2006-02-22

Family

ID=29716801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02013656A Expired - Lifetime EP1376504B1 (fr) 2002-06-20 2002-06-20 Capteur de fumée par diffusion de lumière

Country Status (16)

Country Link
US (2) US7365846B2 (fr)
EP (1) EP1376504B1 (fr)
JP (1) JP2005530256A (fr)
KR (1) KR100998373B1 (fr)
CN (1) CN1662942B (fr)
AT (1) ATE318434T1 (fr)
AU (1) AU2003233744B2 (fr)
CA (1) CA2490019A1 (fr)
DE (1) DE50205854D1 (fr)
DK (1) DK1376504T3 (fr)
ES (1) ES2259353T3 (fr)
HU (1) HUP0501097A2 (fr)
NO (1) NO331437B1 (fr)
PL (1) PL373350A1 (fr)
PT (1) PT1376504E (fr)
WO (1) WO2004001693A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2605226A1 (fr) * 2011-12-15 2013-06-19 Robert Bosch Gmbh Dispositif électrique, notamment pour l'enregistrement d'un signal ou l'émission d'un signal
DE102015004458A1 (de) 2014-06-26 2015-12-31 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren für einen klassifizierenden, rauchkammerlosen Luftzustandssensor
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
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
WO2019228635A1 (fr) * 2018-05-31 2019-12-05 Autronica Fire & Security As Carte de circuit imprimé pour détecteur de fumée

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7875434B2 (en) * 2000-10-30 2011-01-25 Sru Biosystems, Inc. Label-free methods for performing assays using a colorimetric resonant reflectance optical biosensor
DE102004002592A1 (de) * 2004-01-16 2005-08-18 Robert Bosch Gmbh Brandmelder
AU2005302882B2 (en) * 2004-11-10 2009-12-10 Lg Electronics Inc. Remote monitor in electric home appliances
US20060141527A1 (en) * 2004-12-29 2006-06-29 Caracci Stephen J Method for creating a reference region and a sample region on a biosensor and the resulting biosensor
EP2166520A4 (fr) * 2007-06-18 2011-01-12 Panasonic Elec Works Co Ltd Capteur de fumée
WO2011042020A1 (fr) * 2009-10-05 2011-04-14 Cavius Aps Détecteur de fumée
JP5921198B2 (ja) * 2010-01-21 2016-05-24 ホーチキ株式会社 感知器
WO2011094885A2 (fr) * 2011-06-01 2011-08-11 Scanco Medical Ag Système d'imagerie optique
JP5810444B2 (ja) * 2011-09-01 2015-11-11 新コスモス電機株式会社 煙感知器
CN104408863A (zh) * 2014-11-05 2015-03-11 中国科学技术大学先进技术研究院 一种双光路火灾烟雾探测烟室
CN105788159A (zh) * 2014-12-23 2016-07-20 许成钰 一种光电开关烟雾报警器
US10242545B2 (en) * 2015-05-19 2019-03-26 Google Llc Adjustable-angle mounting system for hazard detector
JP6681913B2 (ja) * 2015-10-26 2020-04-15 ホーチキ株式会社 警報装置
US9824564B2 (en) * 2015-12-14 2017-11-21 Honeywell International Inc. Aspirated smoke detector with improved optical chamber
US9651485B1 (en) 2015-12-31 2017-05-16 Google Inc. Systems and methods for using multiple light detecting optoelectronic components of a hazard detection system to determine a smoke condition of an environment
US9903814B2 (en) 2015-12-31 2018-02-27 Google Llc Systems and methods for optically coupling optoelectronic components of a hazard detection system to determine a smoke condition of an environment
CN107016816B (zh) * 2017-05-12 2020-08-14 浙江恒洲电子实业有限公司 烟雾探测器迷宫结构及其烟雾探测方法
KR102255534B1 (ko) 2017-07-07 2021-05-25 주식회사 엘지에너지솔루션 이차전지
US10809173B2 (en) * 2017-12-15 2020-10-20 Analog Devices, Inc. Smoke detector chamber boundary surfaces
US11788942B2 (en) 2017-12-15 2023-10-17 Analog Devices, Inc. Compact optical smoke detector system and apparatus
US12211370B2 (en) 2018-12-02 2025-01-28 Analog Devices, Inc. Fire detection system
US10921367B2 (en) 2019-03-06 2021-02-16 Analog Devices, Inc. Stable measurement of sensors methods and systems
US11074796B2 (en) * 2019-04-01 2021-07-27 Carrier Corporation Photoelectric smoke detectors
US11796445B2 (en) 2019-05-15 2023-10-24 Analog Devices, Inc. Optical improvements to compact smoke detectors, systems and apparatus
CN111795951A (zh) * 2020-05-28 2020-10-20 南京颗粒光电科技有限公司 一种新能源电池热失控检测用一体化传感器及预警方法
SE544231C2 (en) * 2020-07-06 2022-03-08 Lanfor Utveckling Ab An attachment apparatus
CN112634574B (zh) * 2020-12-19 2022-11-04 上海鑫灵电力科技发展有限公司 一种避免烟雾过热的火灾声光报警器
US11790746B2 (en) * 2021-02-02 2023-10-17 Carrier Corporation Smoke entry solution for multi wave multi angle safety device
US12046114B2 (en) * 2022-02-07 2024-07-23 Pixart Imaging Inc. Smoke detection device with preferred detection accuracy
EP4239612A1 (fr) 2022-03-04 2023-09-06 Carrier Corporation Détecteur de fumée avec chambre de détection de décalage et blindage
CN118190738B (zh) * 2024-05-20 2024-08-09 天津航空机电有限公司 一种基于偏振光的迷宫结构及民用飞机烟雾探测器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616928A (en) * 1984-06-20 1986-10-14 Kidde, Inc. Photoelectric smoke detector with adjustable background signal
US4897634A (en) * 1986-12-26 1990-01-30 Hochiki Kabushiki Kaisha Scattered-light smoke detector with a shielding structure of detector circuits
EP0821330A1 (fr) * 1996-07-22 1998-01-28 Cerberus Ag Détecteur de fumée
EP0880118A2 (fr) * 1997-05-20 1998-11-25 Siemens Aktiengesellschaft Détecteur optique de fumée
DE19733375A1 (de) * 1997-08-01 1999-02-04 Hekatron Gmbh Vorrichtung zur Branderkennung

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0120881B1 (fr) * 1982-10-11 1987-05-27 Cerberus Ag Detecteur de fumee a rayonnement diffuse
US5021677A (en) * 1989-05-02 1991-06-04 Nohmi Bosai Kabushiki Kaisha Light-scattering-type smoke detector
JP2533653B2 (ja) * 1989-09-26 1996-09-11 松下電工株式会社 光電式煙感知器
CH684556A5 (de) * 1992-09-14 1994-10-14 Cerberus Ag Optischer Rauchmelder.
CH685410A5 (de) 1993-02-15 1995-06-30 Cerberus Ag Vorrichtung zur Funktionsprüfung von Rauchmeldern.
US5497144A (en) * 1993-07-07 1996-03-05 Cerberus Ag Testing and adjustment of scattered-light smoke detectors
EP0772170B1 (fr) * 1995-11-06 2001-08-29 Siemens Building Technologies AG Détecteur automatique d'incendie
EP0821332A1 (fr) * 1996-07-22 1998-01-28 Cerberus Ag Détecteur de fumée
DK0926646T3 (da) 1997-12-24 2004-09-20 Siemens Building Tech Ag Optisk rögdetektor
US6521907B1 (en) * 1999-04-29 2003-02-18 Pittway Corporation Miniature photoelectric sensing chamber
EP1087352A1 (fr) 1999-09-22 2001-03-28 Siemens Building Technologies AG Détecteur optique de fumée
CA2293830C (fr) * 1999-12-31 2008-07-29 Digital Security Controls Ltd. Detecteur de fumee photo-electrique et chambre connexe

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616928A (en) * 1984-06-20 1986-10-14 Kidde, Inc. Photoelectric smoke detector with adjustable background signal
US4897634A (en) * 1986-12-26 1990-01-30 Hochiki Kabushiki Kaisha Scattered-light smoke detector with a shielding structure of detector circuits
EP0821330A1 (fr) * 1996-07-22 1998-01-28 Cerberus Ag Détecteur de fumée
EP0880118A2 (fr) * 1997-05-20 1998-11-25 Siemens Aktiengesellschaft Détecteur optique de fumée
DE19733375A1 (de) * 1997-08-01 1999-02-04 Hekatron Gmbh Vorrichtung zur Branderkennung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2605226A1 (fr) * 2011-12-15 2013-06-19 Robert Bosch Gmbh Dispositif électrique, notamment pour l'enregistrement d'un signal ou l'émission d'un signal
US8911252B2 (en) 2011-12-15 2014-12-16 Robert Bosch Gmbh Electrical apparatus, in particular for receiving signals or outputting signals
DE102015004458A1 (de) 2014-06-26 2015-12-31 Elmos Semiconductor Aktiengesellschaft Vorrichtung und Verfahren für einen klassifizierenden, rauchkammerlosen Luftzustandssensor
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
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
WO2019228635A1 (fr) * 2018-05-31 2019-12-05 Autronica Fire & Security As Carte de circuit imprimé pour détecteur de fumée

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US20060017580A1 (en) 2006-01-26
AU2003233744B2 (en) 2006-11-02
US7365846B2 (en) 2008-04-29
PL373350A1 (en) 2005-08-22
KR20050013226A (ko) 2005-02-03
CN1662942B (zh) 2010-05-12
KR100998373B1 (ko) 2010-12-03
DK1376504T3 (da) 2006-06-26
ATE318434T1 (de) 2006-03-15
PT1376504E (pt) 2006-07-31
JP2005530256A (ja) 2005-10-06
NO331437B1 (no) 2012-01-02
EP1376504B1 (fr) 2006-02-22
NO20050323D0 (no) 2005-01-20
CA2490019A1 (fr) 2003-12-31
US20080266558A1 (en) 2008-10-30
HUP0501097A2 (en) 2006-03-28
DE50205854D1 (de) 2006-04-27
NO20050323L (no) 2005-01-20
WO2004001693A1 (fr) 2003-12-31
AU2003233744A1 (en) 2004-01-06
CN1662942A (zh) 2005-08-31
ES2259353T3 (es) 2006-10-01

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