JPS6378263U - - Google Patents
Info
- Publication number
- JPS6378263U JPS6378263U JP17158586U JP17158586U JPS6378263U JP S6378263 U JPS6378263 U JP S6378263U JP 17158586 U JP17158586 U JP 17158586U JP 17158586 U JP17158586 U JP 17158586U JP S6378263 U JPS6378263 U JP S6378263U
- Authority
- JP
- Japan
- Prior art keywords
- stabilized zirconia
- electrodes
- oxygen
- carbon monoxide
- sensor current
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910002076 stabilized zirconia Inorganic materials 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 2
- 230000003197 catalytic effect Effects 0.000 claims 1
- 239000007772 electrode material Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- -1 oxygen ion Chemical class 0.000 claims 1
- 239000007784 solid electrolyte Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案の一実施例の概略構成図、第２
図は不完全燃焼雰囲気中の電極電圧とセンサ電流
との関係線図、第３図は残存ＣＯ濃度および酸素
によるセンサ電流の比較線図である。
１：不完全燃焼検知センサ、２：ジルコニアセ
ンサ部、３：電子回路部、４：安定化ジルコニア
、５：電極、６：蓋、７：微小拡散孔、１０：電
極用電源、１２：出力回路、１３：比較回路、Ａ
：ＣＯによるセンサ電流、Ｂ：酸素によるセンサ
電流。
Figure 1 is a schematic configuration diagram of one embodiment of the present invention;
The figure is a relationship diagram between electrode voltage and sensor current in an incomplete combustion atmosphere, and FIG. 3 is a comparison diagram of sensor current due to residual CO concentration and oxygen. 1: Incomplete combustion detection sensor, 2: Zirconia sensor section, 3: Electronic circuit section, 4: Stabilized zirconia, 5: Electrode, 6: Lid, 7: Micro diffusion hole, 10: Power source for electrode, 12: Output circuit , 13: Comparison circuit, A
: Sensor current due to CO, B: Sensor current due to oxygen.
Claims (1)
安定化ジルコニアと、この安定化ジルコニアの両
面に設けられた２個の電極と、前記電極のいづれ
か一方を覆い、かつ微小拡散孔が設けられた蓋と
、前記安定化ジルコニアを加熱するヒータとを有
し、不完全燃焼により発生する一酸化炭素と残存
酸素とを前記電極材料の触媒作用により燃焼させ
ることによつて、前記電極間に印加される電圧の
所定の領域において残存一酸化炭素により発生す
るセンサ電流が燃焼排ガス中または大気中の酸素
により発生するセンサ電流に比較して大きいこと
を特徴とする不完全燃焼検知センサ。 Stabilized zirconia that is a solid electrolyte with good oxygen ion conductivity, two electrodes provided on both sides of the stabilized zirconia, and a lid that covers one of the electrodes and is provided with micro diffusion holes. and a heater that heats the stabilized zirconia, and is applied between the electrodes by burning carbon monoxide and residual oxygen generated by incomplete combustion through the catalytic action of the electrode material. An incomplete combustion detection sensor characterized in that a sensor current generated by residual carbon monoxide in a predetermined voltage range is larger than a sensor current generated by oxygen in combustion exhaust gas or the atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986171585U JPH065621Y2 (en) | 1986-11-08 | 1986-11-08 | Incomplete combustion detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986171585U JPH065621Y2 (en) | 1986-11-08 | 1986-11-08 | Incomplete combustion detection sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6378263U true JPS6378263U (en) | 1988-05-24 |
| JPH065621Y2 JPH065621Y2 (en) | 1994-02-09 |
Family
ID=31107348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986171585U Expired - Lifetime JPH065621Y2 (en) | 1986-11-08 | 1986-11-08 | Incomplete combustion detection sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065621Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5861455A (en) * | 1981-10-09 | 1983-04-12 | Toyota Central Res & Dev Lab Inc | Detecting apparatus of air-fuel ratio |
| JPS59217151A (en) * | 1983-05-26 | 1984-12-07 | Toyota Central Res & Dev Lab Inc | Detector for concentration of plurality of gas components using polarography type sensor |
| JPS6091251A (en) * | 1983-10-26 | 1985-05-22 | Hitachi Ltd | Air-fuel ratio sensor |
-
1986
- 1986-11-08 JP JP1986171585U patent/JPH065621Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5861455A (en) * | 1981-10-09 | 1983-04-12 | Toyota Central Res & Dev Lab Inc | Detecting apparatus of air-fuel ratio |
| JPS59217151A (en) * | 1983-05-26 | 1984-12-07 | Toyota Central Res & Dev Lab Inc | Detector for concentration of plurality of gas components using polarography type sensor |
| JPS6091251A (en) * | 1983-10-26 | 1985-05-22 | Hitachi Ltd | Air-fuel ratio sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065621Y2 (en) | 1994-02-09 |
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