EP3267413A1 - Détecteur de fumée - Google Patents

Détecteur de fumée Download PDF

Info

Publication number
EP3267413A1
EP3267413A1 EP17180013.9A EP17180013A EP3267413A1 EP 3267413 A1 EP3267413 A1 EP 3267413A1 EP 17180013 A EP17180013 A EP 17180013A EP 3267413 A1 EP3267413 A1 EP 3267413A1
Authority
EP
European Patent Office
Prior art keywords
smoke
housing
flow guidance
light
light source
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
EP17180013.9A
Other languages
German (de)
English (en)
Other versions
EP3267413B1 (fr
Inventor
Dirk Goldyn
Florian Brangenberg
Michael Grotensohn
Vlastimil Hujer
Milan Kozak
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.)
ABB Schweiz AG
Original Assignee
ABB AG Germany
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 ABB AG Germany filed Critical ABB AG Germany
Publication of EP3267413A1 publication Critical patent/EP3267413A1/fr
Application granted granted Critical
Publication of EP3267413B1 publication Critical patent/EP3267413B1/fr
Active 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
    • 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
    • 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
    • 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 fire alarm according to the preamble of claim 1.
  • Smoke alarms are generally used for the early detection and acoustic reporting of incipient fires in buildings. When a fire is detected, a permanent, alarming signal is issued by the smoke alarm to warn people present at an early stage of fire or smoke.
  • a signal generator and for the optical signal displays a light emitting diode (LED) is used, with their light signals are guided to the outside of the housing.
  • LED light emitting diode
  • the placement, in particular of the light-emitting diode, means that this component has a negative influence on the flow behavior within the smoke alarm, resulting from generated turbulences, which delay penetration of the smoke into the smoke cell and thereby the ratio factor best / worst tripping behavior negative increases.
  • the invention has for its object to provide a smoke alarm, the components are placed so that they improve the flow behavior of the incoming air in the smoke detector and cause a reduction in aerodynamic turbulence by optical signal displays.
  • a smoke detector with a housing, an acoustic signal transmitter, a light source, a plurality of inflow or inlet openings arranged in the housing, a smoke measuring cell for detecting incoming air to smoke particles and at least one arranged in the housing interior device for flow guidance of the incoming room air the features of claim 1 solved.
  • At least one light guide is integrated in the device for guiding the flow, which leads the light of the light source, preferably a light emitting diode or a laser diode, to the outside of the housing to avoid the emanating from the light sources aerodynamic turbulence and the smoke without delays from the smoke inlet into the To lead smoke cell.
  • the light of the light source preferably a light emitting diode or a laser diode
  • the device for flow guidance of the incoming room air is preferably formed from a plurality of rib, web or strut-shaped components, which are made for example of a plastic.
  • At least one of the web or striven-shaped components of the device for flow guidance is provided with an internal space, which receives the light guide.
  • the achievable with the present invention consist in particular in that a reduction of aerodynamic turbulence is achieved by optical signal displays and a negative influence, which results in particular by the arrangement of the light source in the housing of the smoke alarm is compensated.
  • the housing 1 is equipped with circumferential inflow or inlet openings 5 for the inflowing into the interior of the smoke detector room air and a light source 4.
  • the inflow or inlet openings 5 allow a flow through the smoke detector with room air, a detection of any existing smoke particles and cooperate with a arranged in the interior of the housing device for flow guidance of the incoming room air.
  • the light source 4 is connected to a light guide 3, wherein the light guide is accessible to the in the assembled state of the wall repellent side of the smoke alarm.
  • the light guide 3 is guided to a recess provided in the housing 1 of the smoke alarm.
  • the light guide 4 is integrated in a device for flow guidance, which Fig. 2 shows.
  • a plurality of optical fibers 3 may be integrated therein.
  • Fig. 2 shows a view into the interior of the exemplary attached to the ceiling 8 of a room smoke detector according to the invention with a plurality of smoke inlet openings 5, which lead the smoke without delays to the smoke measuring cell 6.
  • an acoustic signal transmitter 7 and the optical signal displays the LED 4 is used.
  • the device for flow guidance 2 can be seen, which is formed in the embodiment shown of several, preferably made of a transparent plastic, web-shaped or rib-shaped components, which the smoke duct within the smoke alarm uniformly and without detours lead directly into a housing located in the interior smoke measuring cell 6 for detecting incoming air to smoke particles.
  • Guider 2 ' At least one light guide 3 from the space of the designed as a rib or strut component 2 ', for example, poured or inserted, the light guide 3, the light of the light source 4 to the housing outside as shown in FIG Fig. 1 leads.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Electromagnetism (AREA)
  • Fire-Detection Mechanisms (AREA)
EP17180013.9A 2016-07-06 2017-07-06 Détecteur de fumée Active EP3267413B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016112349.8A DE102016112349A1 (de) 2016-07-06 2016-07-06 Brandwarnmelder

Publications (2)

Publication Number Publication Date
EP3267413A1 true EP3267413A1 (fr) 2018-01-10
EP3267413B1 EP3267413B1 (fr) 2022-10-05

Family

ID=59295076

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17180013.9A Active EP3267413B1 (fr) 2016-07-06 2017-07-06 Détecteur de fumée

Country Status (2)

Country Link
EP (1) EP3267413B1 (fr)
DE (1) DE102016112349A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114220239A (zh) * 2021-11-17 2022-03-22 国网辽宁省电力有限公司大连供电公司 一种基于区块链的电力物联网用安全预警装置及其方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04322397A (ja) * 1991-04-23 1992-11-12 Matsushita Electric Works Ltd 確認灯付き煙感知器
DE202009013001U1 (de) * 2009-09-28 2009-12-24 Job Lizenz Gmbh & Co. Kg Gefahrenmelder
JP2015069484A (ja) * 2013-09-30 2015-04-13 能美防災株式会社 火災感知器

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008003812A1 (de) * 2008-01-10 2009-04-16 Siemens Aktiengesellschaft Rauchmelder mit vereinigten optoelektronischen Komponenten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04322397A (ja) * 1991-04-23 1992-11-12 Matsushita Electric Works Ltd 確認灯付き煙感知器
DE202009013001U1 (de) * 2009-09-28 2009-12-24 Job Lizenz Gmbh & Co. Kg Gefahrenmelder
JP2015069484A (ja) * 2013-09-30 2015-04-13 能美防災株式会社 火災感知器

Also Published As

Publication number Publication date
DE102016112349A1 (de) 2018-01-11
EP3267413B1 (fr) 2022-10-05

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