DE2537598C3 - Feuerdetektor - Google Patents
FeuerdetektorInfo
- Publication number
- DE2537598C3 DE2537598C3 DE2537598A DE2537598A DE2537598C3 DE 2537598 C3 DE2537598 C3 DE 2537598C3 DE 2537598 A DE2537598 A DE 2537598A DE 2537598 A DE2537598 A DE 2537598A DE 2537598 C3 DE2537598 C3 DE 2537598C3
- Authority
- DE
- Germany
- Prior art keywords
- electrode
- heat
- ionization chamber
- fire detector
- electronic circuit
- 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
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 240000007313 Tilia cordata Species 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 241000920033 Eugenes Species 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
-
- 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
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Business, Economics & Management (AREA)
- Biochemistry (AREA)
- Emergency Management (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Control Of Combustion (AREA)
- Sampling And Sample Adjustment (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA00745453A ZA745453B (en) | 1974-08-26 | 1974-08-26 | Improvements in or relating to fire detectors |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2537598A1 DE2537598A1 (de) | 1976-03-11 |
| DE2537598B2 DE2537598B2 (de) | 1980-11-06 |
| DE2537598C3 true DE2537598C3 (de) | 1984-12-20 |
Family
ID=25568066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2537598A Expired DE2537598C3 (de) | 1974-08-26 | 1975-08-23 | Feuerdetektor |
Country Status (21)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2711457C2 (de) * | 1977-03-16 | 1985-06-27 | Siemens AG, 1000 Berlin und 8000 München | Ionisationsbrandmelder |
| CH681932A5 (enrdf_load_stackoverflow) * | 1990-12-04 | 1993-06-15 | Cerberus Ag | |
| CH682423A5 (de) * | 1991-03-13 | 1993-09-15 | Asea Brown Boveri | Verfahren und Vorrichtung zur Messung der Konzentration von in einem Gas befindlichen Partikeln. |
| DE102004020489B4 (de) * | 2004-04-26 | 2007-06-28 | Minimax Gmbh & Co. Kg | Brandmelder für Einsatz in Außenatmosphäre |
| CN110185461A (zh) * | 2019-06-28 | 2019-08-30 | 中交路桥建设有限公司 | 实时探测隧道地质条件的盾构机 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2408051A (en) * | 1942-04-04 | 1946-09-24 | American District Telegraph Co | Fire and smoke detector and the like |
| DE2204930C3 (de) * | 1971-02-08 | 1974-06-20 | Veb Rft Messelektronik Otto Schoen, X 8016 Dresden | Ionisationsfeuermelder |
| JPS485979U (enrdf_load_stackoverflow) * | 1971-06-04 | 1973-01-23 |
-
1974
- 1974-08-26 ZA ZA00745453A patent/ZA745453B/xx unknown
-
1975
- 1975-08-19 GB GB34390/75A patent/GB1492193A/en not_active Expired
- 1975-08-19 IE IE1827/75A patent/IE41452B1/en unknown
- 1975-08-19 IN IN1615/CAL/75A patent/IN143233B/en unknown
- 1975-08-20 AU AU84121/75A patent/AU501762B2/en not_active Expired
- 1975-08-21 NL NL7509918A patent/NL167785C/xx not_active IP Right Cessation
- 1975-08-21 CH CH1087075A patent/CH600455A5/xx not_active IP Right Cessation
- 1975-08-23 DE DE2537598A patent/DE2537598C3/de not_active Expired
- 1975-08-25 PH PH17497A patent/PH11514A/en unknown
- 1975-08-25 IT IT26556/75A patent/IT1042015B/it active
- 1975-08-25 LU LU73252A patent/LU73252A1/xx unknown
- 1975-08-25 NO NO75752918A patent/NO138307C/no unknown
- 1975-08-25 CA CA234,041A patent/CA1042088A/en not_active Expired
- 1975-08-25 BR BR7505431*A patent/BR7505431A/pt unknown
- 1975-08-25 SU SU752167381A patent/SU703038A3/ru active
- 1975-08-26 SE SE7509478A patent/SE439209B/xx not_active IP Right Cessation
- 1975-08-26 FR FR7526259A patent/FR2283492A1/fr active Granted
- 1975-08-26 JP JP10336475A patent/JPS5635236B2/ja not_active Expired
- 1975-08-26 YU YU2167/75A patent/YU37410B/xx unknown
- 1975-08-26 DK DK384275AA patent/DK136793B/da unknown
- 1975-08-26 BE BE159485A patent/BE832768A/xx not_active IP Right Cessation
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8281 | Inventor (new situation) |
Free format text: NEWINGTON, TOMOTHY, GREENSIDE, ZA WALT, NICHOLAAS TJART VAN DER, MEREDALE, JOHANNESBURG, ZA |
|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |