DE2832613C2 - - Google Patents
Info
- Publication number
- DE2832613C2 DE2832613C2 DE2832613A DE2832613A DE2832613C2 DE 2832613 C2 DE2832613 C2 DE 2832613C2 DE 2832613 A DE2832613 A DE 2832613A DE 2832613 A DE2832613 A DE 2832613A DE 2832613 C2 DE2832613 C2 DE 2832613C2
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- component
- square
- sensors
- output signal
- 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
- 238000000034 method Methods 0.000 claims description 17
- 238000005065 mining Methods 0.000 claims description 13
- 239000003245 coal Substances 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 238000012806 monitoring device Methods 0.000 claims 2
- 238000012545 processing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 108010074864 Factor XI Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000002817 coal dust Substances 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
- 239000000428 dust Substances 0.000 description 1
- 230000035987 intoxication Effects 0.000 description 1
- 231100000566 intoxication Toxicity 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K3/00—Thermometers giving results other than momentary value of temperature
- G01K3/005—Circuits arrangements for indicating a predetermined temperature
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3152677 | 1977-07-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2832613A1 DE2832613A1 (de) | 1979-02-08 |
DE2832613C2 true DE2832613C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-08-11 |
Family
ID=10324420
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782832613 Granted DE2832613A1 (de) | 1977-07-27 | 1978-07-25 | Temperaturmessystem, insbesondere zur erfassung von braenden in ventilierten leitungen unter tage im kohlebergbau |
Country Status (4)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3924252A1 (de) * | 1989-07-21 | 1991-02-07 | Preussag Ag Feuerschutz | Meldeeinrichtung zum erfassen von waermequellen |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9312685D0 (en) * | 1992-07-03 | 1993-08-04 | Hochiki Co | Thermal analog fire detector |
US5228780A (en) * | 1992-10-30 | 1993-07-20 | Martin Marietta Energy Systems, Inc. | Dual-mode self-validating resistance/Johnson noise thermometer system |
RU2110093C1 (ru) * | 1994-10-19 | 1998-04-27 | Алексей Вячеславович Мартышев | Тепловой пожарный извещатель с частотной фильтрацией |
US10256385B2 (en) | 2007-10-31 | 2019-04-09 | Cree, Inc. | Light emitting die (LED) packages and related methods |
US9429606B2 (en) | 2013-09-30 | 2016-08-30 | Siemens Industry, Inc. | Increasing resolution of resistance measurements |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2884786A (en) * | 1952-08-07 | 1959-05-05 | Phillips Petroleum Co | Noise thermometers |
US2827624A (en) * | 1955-10-27 | 1958-03-18 | Specialties Dev Corp | Electrical network for detecting heat due to various causes |
DE2115029C3 (de) * | 1971-03-29 | 1973-12-13 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | Einrichtung zur Temperaturmessung |
DE2229140C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-06-15 | 1974-05-02 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich | |
US3878723A (en) * | 1974-04-15 | 1975-04-22 | Atomic Energy Commission | Thermal noise power thermometry |
US3937086A (en) * | 1974-11-08 | 1976-02-10 | Arthur D. Little, Inc. | Noise thermometer |
US4099413A (en) * | 1976-06-25 | 1978-07-11 | Yokogawa Electric Works, Ltd. | Thermal noise thermometer |
-
1978
- 1978-07-20 ZA ZA00784127A patent/ZA784127B/xx unknown
- 1978-07-21 CA CA307,841A patent/CA1100591A/en not_active Expired
- 1978-07-25 DE DE19782832613 patent/DE2832613A1/de active Granted
-
1980
- 1980-06-27 US US06/163,860 patent/US4322725A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3924252A1 (de) * | 1989-07-21 | 1991-02-07 | Preussag Ag Feuerschutz | Meldeeinrichtung zum erfassen von waermequellen |
Also Published As
Publication number | Publication date |
---|---|
CA1100591A (en) | 1981-05-05 |
DE2832613A1 (de) | 1979-02-08 |
ZA784127B (en) | 1979-07-25 |
US4322725A (en) | 1982-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |