DK142687B - Ionisationsbrandmeldeanordning. - Google Patents
Ionisationsbrandmeldeanordning. Download PDFInfo
- Publication number
- DK142687B DK142687B DK48377AA DK48377A DK142687B DK 142687 B DK142687 B DK 142687B DK 48377A A DK48377A A DK 48377AA DK 48377 A DK48377 A DK 48377A DK 142687 B DK142687 B DK 142687B
- Authority
- DK
- Denmark
- Prior art keywords
- ionization
- chamber
- air
- smoke
- chambers
- Prior art date
Links
- 239000000779 smoke Substances 0.000 claims description 68
- 150000002500 ions Chemical class 0.000 claims description 33
- 230000035515 penetration Effects 0.000 claims description 6
- 239000003570 air Substances 0.000 description 53
- 230000002285 radioactive effect Effects 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 11
- 230000005855 radiation Effects 0.000 description 11
- 230000007423 decrease Effects 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 9
- 239000000443 aerosol Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 7
- 230000005669 field effect Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000012080 ambient air Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical class [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000202252 Cerberus Species 0.000 description 1
- 241000282693 Cercopithecidae Species 0.000 description 1
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- LXQXZNRPTYVCNG-YPZZEJLDSA-N americium-241 Chemical compound [241Am] LXQXZNRPTYVCNG-YPZZEJLDSA-N 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012538 light obscuration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
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
- G08B17/11—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
Landscapes
- 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)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH146976A CH597659A5 (enrdf_load_stackoverflow) | 1976-02-06 | 1976-02-06 | |
| CH146976 | 1976-02-06 | ||
| CH147076A CH604298A5 (en) | 1976-02-06 | 1976-02-06 | Fire detector using ionisation chambers |
| CH147076 | 1976-02-06 | ||
| CH1303776A CH607180A5 (en) | 1976-10-14 | 1976-10-14 | Fire detector using ionisation chambers |
| CH1303776 | 1976-10-14 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DK48377A DK48377A (enrdf_load_stackoverflow) | 1977-08-07 |
| DK142687B true DK142687B (da) | 1980-12-15 |
| DK142687C DK142687C (enrdf_load_stackoverflow) | 1981-08-03 |
Family
ID=27172998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK48377AA DK142687B (da) | 1976-02-06 | 1977-02-04 | Ionisationsbrandmeldeanordning. |
Country Status (18)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014019773B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons |
| DE102014019172B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU48167A1 (enrdf_load_stackoverflow) * | 1965-03-11 | 1966-09-12 | Applic Electroniques Ets | |
| CH556072A (de) * | 1973-11-26 | 1974-11-15 | Cerberus Ag | Ionisationsfeuermelder. |
-
1976
- 1976-12-31 AT AT0989276A patent/AT363827B/de not_active IP Right Cessation
-
1977
- 1977-01-11 DE DE2700906A patent/DE2700906C2/de not_active Expired
- 1977-01-14 ES ES455054A patent/ES455054A1/es not_active Expired
- 1977-01-25 FR FR7701986A patent/FR2340587A1/fr active Granted
- 1977-01-25 IL IL51319A patent/IL51319A0/xx unknown
- 1977-01-26 CA CA270,474A patent/CA1064625A/en not_active Expired
- 1977-01-27 FI FI770273A patent/FI770273A7/fi not_active Application Discontinuation
- 1977-01-31 NZ NZ183214A patent/NZ183214A/xx unknown
- 1977-02-01 NL NL7701014A patent/NL7701014A/xx not_active Application Discontinuation
- 1977-02-01 GB GB3997/77A patent/GB1528721A/en not_active Expired
- 1977-02-02 YU YU00272/77A patent/YU27277A/xx unknown
- 1977-02-03 DD DD7700197220A patent/DD128136A5/xx unknown
- 1977-02-03 IT IT19923/77A patent/IT1077270B/it active
- 1977-02-04 NO NO770369A patent/NO140869C/no unknown
- 1977-02-04 JP JP1088877A patent/JPS5295999A/ja active Pending
- 1977-02-04 SE SE7701246A patent/SE427780B/xx not_active IP Right Cessation
- 1977-02-04 DK DK48377AA patent/DK142687B/da not_active Application Discontinuation
- 1977-02-12 AU AU21856/77A patent/AU503702B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2340587A1 (fr) | 1977-09-02 |
| IL51319A0 (en) | 1977-03-31 |
| DE2700906A1 (de) | 1977-08-11 |
| AU503702B2 (en) | 1979-09-13 |
| NL7701014A (nl) | 1977-08-09 |
| NZ183214A (en) | 1980-12-19 |
| IT1077270B (it) | 1985-05-04 |
| ATA989276A (de) | 1981-01-15 |
| GB1528721A (en) | 1978-10-18 |
| NO770369L (no) | 1977-08-09 |
| DE2700906C2 (de) | 1982-06-03 |
| SE7701246L (sv) | 1977-08-07 |
| YU27277A (en) | 1982-06-30 |
| JPS5295999A (en) | 1977-08-12 |
| AU2185677A (en) | 1978-08-10 |
| ES455054A1 (es) | 1978-02-16 |
| FI770273A7 (enrdf_load_stackoverflow) | 1977-08-07 |
| NO140869C (no) | 1979-11-28 |
| CA1064625A (en) | 1979-10-16 |
| DK142687C (enrdf_load_stackoverflow) | 1981-08-03 |
| DK48377A (enrdf_load_stackoverflow) | 1977-08-07 |
| NO140869B (no) | 1979-08-20 |
| SE427780B (sv) | 1983-05-02 |
| DD128136A5 (de) | 1977-11-02 |
| FR2340587B1 (enrdf_load_stackoverflow) | 1983-02-25 |
| AT363827B (de) | 1981-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ATS | Application withdrawn |