DE2310490A1 - Lichtelektrischer rauch- bzw. branddetektor - Google Patents
Lichtelektrischer rauch- bzw. branddetektorInfo
- Publication number
- DE2310490A1 DE2310490A1 DE19732310490 DE2310490A DE2310490A1 DE 2310490 A1 DE2310490 A1 DE 2310490A1 DE 19732310490 DE19732310490 DE 19732310490 DE 2310490 A DE2310490 A DE 2310490A DE 2310490 A1 DE2310490 A1 DE 2310490A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- detector
- smoke
- detector according
- 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.)
- Pending
Links
- 239000000779 smoke Substances 0.000 title claims description 38
- 239000002245 particle Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000002745 absorbent Effects 0.000 claims description 3
- 239000002250 absorbent Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 239000004973 liquid crystal related substance Substances 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 210000003027 ear inner Anatomy 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 230000005669 field effect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000295 emission spectrum Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
- A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Public Health (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7207812A FR2175265A5 (enrdf_load_stackoverflow) | 1972-03-07 | 1972-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2310490A1 true DE2310490A1 (de) | 1973-09-13 |
Family
ID=9094745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732310490 Pending DE2310490A1 (de) | 1972-03-07 | 1973-03-02 | Lichtelektrischer rauch- bzw. branddetektor |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2310490A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2175265A5 (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005046331A1 (de) * | 2005-09-27 | 2007-03-29 | Endress + Hauser Flowtec Ag | Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße |
| 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 |
-
1972
- 1972-03-07 FR FR7207812A patent/FR2175265A5/fr not_active Expired
-
1973
- 1973-03-02 DE DE19732310490 patent/DE2310490A1/de active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005046331A1 (de) * | 2005-09-27 | 2007-03-29 | Endress + Hauser Flowtec Ag | Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße |
| DE102005046331B4 (de) * | 2005-09-27 | 2025-02-20 | Endress + Hauser Flowtec Ag | Vorrichtung zur Bestimmung und/oder Überwachung einer Prozessgröße |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2175265A5 (enrdf_load_stackoverflow) | 1973-10-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |