JPH0197249U - - Google Patents
Info
- Publication number
- JPH0197249U JPH0197249U JP19446787U JP19446787U JPH0197249U JP H0197249 U JPH0197249 U JP H0197249U JP 19446787 U JP19446787 U JP 19446787U JP 19446787 U JP19446787 U JP 19446787U JP H0197249 U JPH0197249 U JP H0197249U
- Authority
- JP
- Japan
- Prior art keywords
- light
- oil
- glass fiber
- sensor
- irradiated
- 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
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 239000011521 glass Substances 0.000 claims 1
- 239000010409 thin film Substances 0.000 description 2
Landscapes
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
第１図はこの考案の実施例を示す断面図、第２
図はこの考案の他の実施例を示す断面図、第３図
はセンサの拡大断面図である。
１……タンク、２……ポリイミド膜、５……セ
ンサ、６……基板、７……３酸化タングステンの
薄膜、８……パラジウムの薄膜、１０，１１……
ガラスフアイバー。
Figure 1 is a sectional view showing an embodiment of this invention, Figure 2 is a sectional view showing an embodiment of this invention.
The figure is a sectional view showing another embodiment of this invention, and FIG. 3 is an enlarged sectional view of the sensor. 1...Tank, 2...Polyimide film, 5...Sensor, 6...Substrate, 7...Thin film of tungsten trioxide, 8...Thin film of palladium, 10, 11...
glass fiber.
Claims (1)
に、油の流入を遮断するポリイミド膜によつて隔
離されたガス室を設け、前記ガス室の内部に、ガ
ラス基板の表面に３酸化タングステン膜を、その
表面にパラジウム膜を形成してなるセンサを設置
し、更に前記センサに照射しようとする光を導く
照射用ガラスフアイバーと、照射された前記光の
透過光または反射光を受光する受光用ガラスフア
イバーとを設けてなり、この受光用ガラスフアイ
バーによつて受光する光の量から水素ガスの存在
を検出するようにしてなる油入電気機器用水素ガ
ス検出装置。 A gas chamber isolated by a polyimide film that blocks the inflow of oil is provided in a part of the tank that houses the main body of the oil-filled electrical equipment, and inside the gas chamber, tungsten trioxide is placed on the surface of the glass substrate. A sensor comprising a film and a palladium film formed on the surface thereof is installed, an irradiation glass fiber that guides the light to be irradiated to the sensor, and a light receiver that receives transmitted light or reflected light of the irradiated light. 1. A hydrogen gas detection device for oil-filled electrical equipment, comprising: a light-receiving glass fiber, and detecting the presence of hydrogen gas from the amount of light received by the light-receiving glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19446787U JPH0197249U (en) | 1987-12-21 | 1987-12-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19446787U JPH0197249U (en) | 1987-12-21 | 1987-12-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0197249U true JPH0197249U (en) | 1989-06-28 |
Family
ID=31485196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19446787U Pending JPH0197249U (en) | 1987-12-21 | 1987-12-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0197249U (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6039536A (en) * | 1983-08-12 | 1985-03-01 | Hochiki Corp | Gas sensor |
| JPS61117444A (en) * | 1984-11-14 | 1986-06-04 | Hitachi Ltd | Gas detecting element |
| JPS61207950A (en) * | 1985-03-13 | 1986-09-16 | Agency Of Ind Science & Technol | Optical sensor for detecting hydrogen |
| JPS62170838A (en) * | 1986-01-23 | 1987-07-27 | Agency Of Ind Science & Technol | Optical sensor for reflection type hydrogen detection |
| JPS62272515A (en) * | 1986-05-20 | 1987-11-26 | 宇部興産株式会社 | Electrolytic capacitor |
-
1987
- 1987-12-21 JP JP19446787U patent/JPH0197249U/ja active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6039536A (en) * | 1983-08-12 | 1985-03-01 | Hochiki Corp | Gas sensor |
| JPS61117444A (en) * | 1984-11-14 | 1986-06-04 | Hitachi Ltd | Gas detecting element |
| JPS61207950A (en) * | 1985-03-13 | 1986-09-16 | Agency Of Ind Science & Technol | Optical sensor for detecting hydrogen |
| JPS62170838A (en) * | 1986-01-23 | 1987-07-27 | Agency Of Ind Science & Technol | Optical sensor for reflection type hydrogen detection |
| JPS62272515A (en) * | 1986-05-20 | 1987-11-26 | 宇部興産株式会社 | Electrolytic capacitor |
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