JPS6292468U - - Google Patents
Info
- Publication number
- JPS6292468U JPS6292468U JP18440285U JP18440285U JPS6292468U JP S6292468 U JPS6292468 U JP S6292468U JP 18440285 U JP18440285 U JP 18440285U JP 18440285 U JP18440285 U JP 18440285U JP S6292468 U JPS6292468 U JP S6292468U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen concentration
- diffusion holes
- detection device
- gas diffusion
- base body
- 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
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 239000007784 solid electrolyte Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図は酸素濃度検出装置における原理を説明
するための説明図、第２図は同酸素濃度検出装置
における印加電圧と出力電流との関係を示す図、
第３図は本考案の一実施例にかかる酸素濃度検出
装置の一部欠截斜視図、第４図は同装置の断面図
及び回路図である。
１……基体、２……酸素イオン伝導性固体電解
質壁体、３……蓋体、４……気体拡散孔、５……
気体滞留室、６，７……電極、８……電流電源、
９……電流計、１０……電圧計、１１……可変抵
抗、１５……厚膜。
FIG. 1 is an explanatory diagram for explaining the principle of the oxygen concentration detection device, and FIG. 2 is a diagram showing the relationship between applied voltage and output current in the oxygen concentration detection device.
FIG. 3 is a partially cutaway perspective view of an oxygen concentration detection device according to an embodiment of the present invention, and FIG. 4 is a sectional view and circuit diagram of the same device. DESCRIPTION OF SYMBOLS 1...Base body, 2...Oxygen ion conductive solid electrolyte wall body, 3...Lid body, 4...Gas diffusion hole, 5...
Gas retention chamber, 6, 7...electrode, 8...current power source,
9... Ammeter, 10... Voltmeter, 11... Variable resistance, 15... Thick film.
Claims (1)
一部に有し複数の気体拡散孔を介して外部に連通
する気体滞留室を形成する基体と、前記固体電解
質壁部の内外壁面上にこれを挾んで対向する電極
対と、該電極対に所定電圧を印加した時に流れる
電流を検出する電流検出手段とを有して該検出電
流の大きさに基づいて外部酸素濃度を検出する酸
素濃度検出装置において、前記複数の気体拡散孔
が貫通した基体の外側部分に拡散係数調整用厚膜
層を有し、該厚膜層の一部を除去することにより
複数の気体拡散孔のうち所要数の拡散孔を外部と
連通し、拡散係数を調整することができることを
特徴とする酸素濃度検出装置。 a base body forming a gas retention chamber that has an oxygen ion conductive solid electrolyte wall section at least in part and communicates with the outside via a plurality of gas diffusion holes; An oxygen concentration detection device that includes a pair of opposing electrodes and a current detection means that detects a current flowing when a predetermined voltage is applied to the electrode pair, and detects an external oxygen concentration based on the magnitude of the detected current, A thick film layer for adjusting the diffusion coefficient is provided on the outer part of the base body through which the plurality of gas diffusion holes penetrate, and by removing a part of the thick film layer, a required number of diffusion holes among the plurality of gas diffusion holes can be adjusted. An oxygen concentration detection device that communicates with the outside and is capable of adjusting a diffusion coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18440285U JPS6292468U (en) | 1985-12-02 | 1985-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18440285U JPS6292468U (en) | 1985-12-02 | 1985-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6292468U true JPS6292468U (en) | 1987-06-12 |
Family
ID=31132038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18440285U Pending JPS6292468U (en) | 1985-12-02 | 1985-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6292468U (en) |
-
1985
- 1985-12-02 JP JP18440285U patent/JPS6292468U/ja active Pending
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