JPS568537A - Flammable gas detecting element - Google Patents
Flammable gas detecting elementInfo
- Publication number
- JPS568537A JPS568537A JP8410979A JP8410979A JPS568537A JP S568537 A JPS568537 A JP S568537A JP 8410979 A JP8410979 A JP 8410979A JP 8410979 A JP8410979 A JP 8410979A JP S568537 A JPS568537 A JP S568537A
- Authority
- JP
- Japan
- Prior art keywords
- flammable gas
- detecting element
- resistance
- electrodes
- temperature characteristics
- 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.)
- Pending
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Fire-Detection Mechanisms (AREA)
- Emergency Alarm Devices (AREA)
Abstract
PURPOSE: To obtain a simple-structure and low-cost detecting element for the flammable gas along with a high heating efficiency, by using the resistance element having the positive resistance temperature characteristics for the heat generator and then providing the flammable gas sensitive substance on the said resistance element via an insulator.
CONSTITUTION: The Al2O3, ZrO2 and the like are flame-sprayed onto heat generator 3 which uses the resistance element having the positive resistance temperature characteristics and composed of the semiconductor oxide of the perovskite type structure (such as BaTiO3, PbTiO3, etc.), thus forming insulating ceramic layer 2. Furthermore, gas sensing element 1 composed of the material (like SnO2, ZnO, etc.) which varies its electric resistance value with a contact to the flammable gas is provided on layer 2. And then electrodes 4 and 4' are provided across generator 3; while electrodes 5 and 5' are provided across element 1 respectively. Thus a flammable gas detecting element is obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8410979A JPS568537A (en) | 1979-07-03 | 1979-07-03 | Flammable gas detecting element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8410979A JPS568537A (en) | 1979-07-03 | 1979-07-03 | Flammable gas detecting element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS568537A true JPS568537A (en) | 1981-01-28 |
Family
ID=13821350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8410979A Pending JPS568537A (en) | 1979-07-03 | 1979-07-03 | Flammable gas detecting element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS568537A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131043A (en) * | 1981-02-06 | 1982-08-13 | Matsushita Electric Ind Co Ltd | Detection element |
| JPS6230945A (en) * | 1985-08-01 | 1987-02-09 | Yazaki Corp | Oxygen detection element |
| US4688014A (en) * | 1983-04-11 | 1987-08-18 | New Cosmos Electric Co., Ltd. | Semiconductor type gas sensor having two terminals |
| KR100257317B1 (en) * | 1997-05-07 | 2000-08-01 | 한갑수 | Gas sensor with ptc element |
| CN105044160A (en) * | 2015-06-29 | 2015-11-11 | 中国科学技术大学 | Lanthanum manganate/semiconductor metal oxide composite gas-sensitive material and preparation method thereof |
-
1979
- 1979-07-03 JP JP8410979A patent/JPS568537A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131043A (en) * | 1981-02-06 | 1982-08-13 | Matsushita Electric Ind Co Ltd | Detection element |
| US4688014A (en) * | 1983-04-11 | 1987-08-18 | New Cosmos Electric Co., Ltd. | Semiconductor type gas sensor having two terminals |
| JPS6230945A (en) * | 1985-08-01 | 1987-02-09 | Yazaki Corp | Oxygen detection element |
| KR100257317B1 (en) * | 1997-05-07 | 2000-08-01 | 한갑수 | Gas sensor with ptc element |
| CN105044160A (en) * | 2015-06-29 | 2015-11-11 | 中国科学技术大学 | Lanthanum manganate/semiconductor metal oxide composite gas-sensitive material and preparation method thereof |
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