CS241532B2 - Series fire detector of warning fire system - Google Patents
Series fire detector of warning fire system Download PDFInfo
- Publication number
- CS241532B2 CS241532B2 CS835470A CS547083A CS241532B2 CS 241532 B2 CS241532 B2 CS 241532B2 CS 835470 A CS835470 A CS 835470A CS 547083 A CS547083 A CS 547083A CS 241532 B2 CS241532 B2 CS 241532B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- electrode
- salt
- fire
- detector
- mixture
- Prior art date
Links
- 150000003839 salts Chemical class 0.000 claims abstract description 39
- 239000000919 ceramic Substances 0.000 claims abstract description 4
- 239000003989 dielectric material Substances 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims description 13
- 239000000615 nonconductor Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000012212 insulator Substances 0.000 abstract description 9
- 230000005496 eutectics Effects 0.000 description 10
- 239000011521 glass Substances 0.000 description 7
- 239000011833 salt mixture Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000011664 signaling Effects 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
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL1982237897A PL138268B1 (en) | 1982-08-13 | 1982-08-13 | Linear fire detector of warning fire protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS547083A2 CS547083A2 (en) | 1985-08-15 |
| CS241532B2 true CS241532B2 (en) | 1986-03-13 |
Family
ID=20013779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS835470A CS241532B2 (en) | 1982-08-13 | 1983-07-21 | Series fire detector of warning fire system |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4496930A (ro) |
| CA (1) | CA1194181A (ro) |
| CS (1) | CS241532B2 (ro) |
| DE (1) | DE3325668A1 (ro) |
| PL (1) | PL138268B1 (ro) |
| RO (1) | RO84867B (ro) |
| SU (1) | SU1306488A3 (ro) |
| YU (1) | YU167283A (ro) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8301666D0 (en) * | 1983-01-21 | 1983-02-23 | Hotfoil Ltd | Temperature sensor |
| US5064271A (en) * | 1989-03-14 | 1991-11-12 | Santa Barbara Research Center | Fiber optic flame and overheat sensing system with self test |
| US5051590A (en) * | 1989-12-06 | 1991-09-24 | Santa Barbara Research Center | Fiber optic flame detection and temperature measurement system having one or more in-line temperature dependent optical filters |
| US5051595A (en) * | 1989-12-06 | 1991-09-24 | Santa Barbara Research Center | Fiber optic flame detection and temperature measurement system employing doped optical fiber |
| US4983119A (en) * | 1990-03-26 | 1991-01-08 | Lin Wen Tsung | Musical candle actuated by thermistor switch |
| GB9012272D0 (en) * | 1990-06-01 | 1990-07-18 | Gore W L & Ass Uk | Flexible sheeting |
| CN100426331C (zh) * | 2006-12-06 | 2008-10-15 | 首安工业消防有限公司 | 一种绝缘层上设有窗口的线型温度感知元件 |
| US20100142584A1 (en) * | 2008-12-09 | 2010-06-10 | Harrington Brian P | Digital linear heat detector with thermal activation confirmation |
| KR102832705B1 (ko) * | 2025-04-22 | 2025-07-10 | 주식회사 봉테크시스템 | 감온 소화 패치 및 이것의 제조 방법 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2477348A (en) * | 1949-07-26 | Thermoelectric apparatus | ||
| US2275873A (en) * | 1941-04-19 | 1942-03-10 | Wilfred J Turenne | Fire detector cable |
| US2413125A (en) * | 1943-12-31 | 1946-12-24 | Fenwal Inc | Fire detector cable |
| US2596285A (en) * | 1949-09-15 | 1952-05-13 | Petcar Res Corp | Method of forming beaded structure |
| US2566335A (en) * | 1949-11-17 | 1951-09-04 | Specialties Dev Corp | Heat or flame detecting element and assembly |
| US2936434A (en) * | 1956-10-05 | 1960-05-10 | Mc Graw Edison Co | Fire detector cable |
| GB1544941A (en) * | 1977-07-22 | 1979-04-25 | Bicc Ltd | Electric cable |
-
1982
- 1982-08-13 PL PL1982237897A patent/PL138268B1/pl unknown
-
1983
- 1983-05-31 US US06/499,347 patent/US4496930A/en not_active Expired - Fee Related
- 1983-05-31 CA CA000429305A patent/CA1194181A/en not_active Expired
- 1983-06-02 SU SU833598338A patent/SU1306488A3/ru active
- 1983-07-15 DE DE19833325668 patent/DE3325668A1/de not_active Withdrawn
- 1983-07-21 CS CS835470A patent/CS241532B2/cs unknown
- 1983-08-02 RO RO111802A patent/RO84867B/ro unknown
- 1983-08-09 YU YU01672/83A patent/YU167283A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4496930A (en) | 1985-01-29 |
| RO84867B (ro) | 1984-09-30 |
| CA1194181A (en) | 1985-09-24 |
| DE3325668A1 (de) | 1984-02-16 |
| SU1306488A3 (ru) | 1987-04-23 |
| RO84867A (ro) | 1984-08-17 |
| PL237897A1 (en) | 1984-02-27 |
| PL138268B1 (en) | 1986-08-30 |
| CS547083A2 (en) | 1985-08-15 |
| YU167283A (en) | 1986-04-30 |
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