CA1064625A - Fire sensor device - Google Patents
Fire sensor deviceInfo
- Publication number
- CA1064625A CA1064625A CA270,474A CA270474A CA1064625A CA 1064625 A CA1064625 A CA 1064625A CA 270474 A CA270474 A CA 270474A CA 1064625 A CA1064625 A CA 1064625A
- Authority
- CA
- Canada
- Prior art keywords
- ionization
- chamber
- arrangement
- accordance
- air
- 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.)
- Expired
Links
- 239000000779 smoke Substances 0.000 claims abstract description 75
- 150000002500 ions Chemical class 0.000 claims abstract description 37
- 238000011156 evaluation Methods 0.000 claims abstract description 18
- 230000000979 retarding effect Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 13
- 230000005669 field effect Effects 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 238000005065 mining Methods 0.000 claims 1
- 230000002285 radioactive effect Effects 0.000 description 12
- 230000005855 radiation Effects 0.000 description 11
- 239000000443 aerosol Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 241000238631 Hexapoda Species 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241001527806 Iti Species 0.000 description 1
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 1
- 230000035508 accumulation Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- OMFRMAHOUUJSGP-IRHGGOMRSA-N bifenthrin Chemical compound C1=CC=C(C=2C=CC=CC=2)C(C)=C1COC(=O)[C@@H]1[C@H](\C=C(/Cl)C(F)(F)F)C1(C)C OMFRMAHOUUJSGP-IRHGGOMRSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052722 tritium Inorganic materials 0.000 description 1
- 238000004804 winding Methods 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 (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH147076A CH604298A5 (en) | 1976-02-06 | 1976-02-06 | Fire detector using ionisation chambers |
| CH146976A CH597659A5 (de) | 1976-02-06 | 1976-02-06 | |
| CH1303776A CH607180A5 (en) | 1976-10-14 | 1976-10-14 | Fire detector using ionisation chambers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1064625A true CA1064625A (en) | 1979-10-16 |
Family
ID=27172998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA270,474A Expired CA1064625A (en) | 1976-02-06 | 1977-01-26 | Fire sensor device |
Country Status (18)
| Country | Link |
|---|---|
| JP (1) | JPS5295999A (de) |
| AT (1) | AT363827B (de) |
| AU (1) | AU503702B2 (de) |
| CA (1) | CA1064625A (de) |
| DD (1) | DD128136A5 (de) |
| DE (1) | DE2700906C2 (de) |
| DK (1) | DK142687B (de) |
| ES (1) | ES455054A1 (de) |
| FI (1) | FI770273A7 (de) |
| FR (1) | FR2340587A1 (de) |
| GB (1) | GB1528721A (de) |
| IL (1) | IL51319A0 (de) |
| IT (1) | IT1077270B (de) |
| NL (1) | NL7701014A (de) |
| NO (1) | NO140869C (de) |
| NZ (1) | NZ183214A (de) |
| SE (1) | SE427780B (de) |
| YU (1) | YU27277A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU48167A1 (de) * | 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 IL IL51319A patent/IL51319A0/xx unknown
- 1977-01-25 FR FR7701986A patent/FR2340587A1/fr active Granted
- 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 GB GB3997/77A patent/GB1528721A/en not_active Expired
- 1977-02-01 NL NL7701014A patent/NL7701014A/xx not_active Application Discontinuation
- 1977-02-02 YU YU00272/77A patent/YU27277A/xx unknown
- 1977-02-03 IT IT19923/77A patent/IT1077270B/it active
- 1977-02-03 DD DD7700197220A patent/DD128136A5/de unknown
- 1977-02-04 NO NO770369A patent/NO140869C/no unknown
- 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
- 1977-02-04 JP JP1088877A patent/JPS5295999A/ja active Pending
- 1977-02-12 AU AU21856/77A patent/AU503702B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2700906A1 (de) | 1977-08-11 |
| FR2340587B1 (de) | 1983-02-25 |
| DK142687B (da) | 1980-12-15 |
| NZ183214A (en) | 1980-12-19 |
| DD128136A5 (de) | 1977-11-02 |
| NO770369L (no) | 1977-08-09 |
| SE7701246L (sv) | 1977-08-07 |
| YU27277A (en) | 1982-06-30 |
| AU503702B2 (en) | 1979-09-13 |
| DE2700906C2 (de) | 1982-06-03 |
| IL51319A0 (en) | 1977-03-31 |
| NO140869C (no) | 1979-11-28 |
| IT1077270B (it) | 1985-05-04 |
| AT363827B (de) | 1981-09-10 |
| FR2340587A1 (fr) | 1977-09-02 |
| ATA989276A (de) | 1981-01-15 |
| ES455054A1 (es) | 1978-02-16 |
| SE427780B (sv) | 1983-05-02 |
| FI770273A7 (de) | 1977-08-07 |
| GB1528721A (en) | 1978-10-18 |
| NO140869B (no) | 1979-08-20 |
| DK142687C (de) | 1981-08-03 |
| JPS5295999A (en) | 1977-08-12 |
| DK48377A (de) | 1977-08-07 |
| AU2185677A (en) | 1978-08-10 |
| NL7701014A (nl) | 1977-08-09 |
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