JPH0171661U - - Google Patents
Info
- Publication number
- JPH0171661U JPH0171661U JP1987166887U JP16688787U JPH0171661U JP H0171661 U JPH0171661 U JP H0171661U JP 1987166887 U JP1987166887 U JP 1987166887U JP 16688787 U JP16688787 U JP 16688787U JP H0171661 U JPH0171661 U JP H0171661U
- Authority
- JP
- Japan
- Prior art keywords
- zirconia
- sensor body
- zirconia tube
- outer electrode
- end side
- 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
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図および第２図は本考案の実施例に示し、
第１図はジルコニアチユーブの縦断面図、第２図
はジルコニアチユーブの先端側を拡大して示す部
分詳細断面図、第３図ないし第５図は従来技術を
示し、第３図は酸素センサの縦断面図、第４図は
ジルコニアチユーブの縦断面図、第５図はジルコ
ニアチユーブの先端側を拡大して示す部分詳細断
面図である。
１…センサ本体、２…ホルダ、３…キヤツプ、
２１…ジルコニアチユーブ、２２…チユーブ本体
、２３…触媒層、２３Ａ…凸凹部、２４…内側電
極、２５…外側電極、２７…保護層。
1 and 2 show an embodiment of the present invention,
Fig. 1 is a longitudinal sectional view of a zirconia tube, Fig. 2 is a partially detailed sectional view showing an enlarged tip side of the zirconia tube, Figs. 3 to 5 show the conventional technology, and Fig. 3 is an oxygen sensor. FIG. 4 is a vertical cross-sectional view of the zirconia tube, and FIG. 5 is a partially detailed cross-sectional view showing the distal end side of the zirconia tube in an enlarged manner. 1...Sensor body, 2...Holder, 3...Cap,
DESCRIPTION OF SYMBOLS 21... Zirconia tube, 22... Tube main body, 23... Catalyst layer, 23A... Concavo-convex part, 24... Inner electrode, 25... Outer electrode, 27... Protective layer.
Claims (1)
られ、先端側が該センサ本体外に突出して閉塞端
となつたジルコニアチユーブと、該ジルコニアチ
ユーブの内、外面に設けられた内側電極、外側電
極とからなる酸素センサにおいて、前記ジルコニ
アチユーブの外面には外側電極との間に位置して
、ジルコニアに白金を混ぜてなる触媒層を設けた
ことを特徴とする酸素センサ。 A sensor body, a zirconia tube whose base end side is attached to the sensor body and whose distal end side protrudes outside the sensor body to form a closed end, and an inner electrode and an outer electrode provided on the inner and outer surfaces of the zirconia tube. An oxygen sensor characterized in that a catalyst layer made of a mixture of zirconia and platinum is provided on the outer surface of the zirconia tube and located between the outer electrode and the outer electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166887U JPH0171661U (en) | 1987-10-31 | 1987-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166887U JPH0171661U (en) | 1987-10-31 | 1987-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171661U true JPH0171661U (en) | 1989-05-12 |
Family
ID=31454676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166887U Pending JPH0171661U (en) | 1987-10-31 | 1987-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171661U (en) |
-
1987
- 1987-10-31 JP JP1987166887U patent/JPH0171661U/ja active Pending