JPS5426694A - Fire seising wire of thermocouple type - Google Patents
Fire seising wire of thermocouple typeInfo
- Publication number
- JPS5426694A JPS5426694A JP9235377A JP9235377A JPS5426694A JP S5426694 A JPS5426694 A JP S5426694A JP 9235377 A JP9235377 A JP 9235377A JP 9235377 A JP9235377 A JP 9235377A JP S5426694 A JPS5426694 A JP S5426694A
- Authority
- JP
- Japan
- Prior art keywords
- fire
- seising
- wire
- thermocouple type
- thermocouple
- 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.)
- Granted
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
Abstract
PURPOSE: To increase the sensitivity of fire sensing wires, by connecting a plural number of thermocouple wires in series with each other alternately and by increasing the temperature defference between the hot and cold junctions through mounting a metal pipe around the junctions of the thermocouple wires.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9235377A JPS5925271B2 (en) | 1977-07-31 | 1977-07-31 | Thermocouple fire detection wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9235377A JPS5925271B2 (en) | 1977-07-31 | 1977-07-31 | Thermocouple fire detection wire |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5426694A true JPS5426694A (en) | 1979-02-28 |
JPS5925271B2 JPS5925271B2 (en) | 1984-06-15 |
Family
ID=14052027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9235377A Expired JPS5925271B2 (en) | 1977-07-31 | 1977-07-31 | Thermocouple fire detection wire |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5925271B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017204501A (en) * | 2016-05-09 | 2017-11-16 | 日本ドライケミカル株式会社 | Thermoelectric conversion element, distributed temperature sensor and manufacturing method of thermoelectric conversion element |
JP2021073685A (en) * | 2020-12-25 | 2021-05-13 | 日本ドライケミカル株式会社 | Thermoelectric transducer, distribution type temperature sensor, and manufacturing method of thermoelectric transducer |
-
1977
- 1977-07-31 JP JP9235377A patent/JPS5925271B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017204501A (en) * | 2016-05-09 | 2017-11-16 | 日本ドライケミカル株式会社 | Thermoelectric conversion element, distributed temperature sensor and manufacturing method of thermoelectric conversion element |
JP2021073685A (en) * | 2020-12-25 | 2021-05-13 | 日本ドライケミカル株式会社 | Thermoelectric transducer, distribution type temperature sensor, and manufacturing method of thermoelectric transducer |
Also Published As
Publication number | Publication date |
---|---|
JPS5925271B2 (en) | 1984-06-15 |
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