JPH0187246U - - Google Patents
Info
- Publication number
- JPH0187246U JPH0187246U JP18302187U JP18302187U JPH0187246U JP H0187246 U JPH0187246 U JP H0187246U JP 18302187 U JP18302187 U JP 18302187U JP 18302187 U JP18302187 U JP 18302187U JP H0187246 U JPH0187246 U JP H0187246U
- Authority
- JP
- Japan
- Prior art keywords
- zirconia tube
- vertical groove
- sensor body
- contact step
- outer periphery
- 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 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000011241 protective layer Substances 0.000 claims description 2
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図ないし第４図は本考案の実施例を示し、
第１図はジルコニアチユーブの縦断面図、第２図
は第１図中の−矢示方向断面図、第３図は電
極を塗布する前の状態を示すジルコニアチユーブ
の縦断面図、第４図は第３図の平面図、第５図な
いし第８図は従来技術を示し、第５図は酸素セン
サの縦断面図、第６図はジルコニアチユーブの縦
断面図、第７図はジルコニアチユーブの先端部を
拡大して示す部分詳細断面図、第８図は第６図中
の−矢示方向断面図である。
１……センサ本体、２……ホルダ、３……キヤ
ツプ、４……絶縁筒体、１１……コンタクトプレ
ート、２１……ジルコニアチユーブ、２１Ａ……
開口部、２１Ｂ……閉塞端、２１Ｃ……接触段部
、２２……縦溝、２３……内側電極、２４……外
側電極、２４Ａ……延長部、２４Ｂ……露出部、
２５……保護層。
1 to 4 show embodiments of the present invention,
Fig. 1 is a longitudinal cross-sectional view of the zirconia tube, Fig. 2 is a cross-sectional view in the direction of the - arrow in Fig. 1, Fig. 3 is a longitudinal cross-sectional view of the zirconia tube before electrode application, and Fig. 4 is a longitudinal cross-sectional view of the zirconia tube. is a plan view of FIG. 3, FIGS. 5 to 8 show the prior art, FIG. 5 is a longitudinal sectional view of an oxygen sensor, FIG. 6 is a longitudinal sectional view of a zirconia tube, and FIG. 7 is a longitudinal sectional view of a zirconia tube. FIG. 8 is a partially detailed cross-sectional view showing the distal end portion in an enlarged manner, and FIG. 8 is a cross-sectional view in the direction indicated by the - arrow in FIG. 6. 1... Sensor body, 2... Holder, 3... Cap, 4... Insulating cylinder, 11... Contact plate, 21... Zirconia tube, 21A...
Opening portion, 21B...Closed end, 21C...Contact step portion, 22...Vertical groove, 23...Inner electrode, 24...Outer electrode, 24A...Extension portion, 24B...Exposed portion,
25...Protective layer.
Claims (1)
ンサ本体に取付けられ、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面に設けられた内側
電極と、前記ジルコニアチユーブの外面側に形成
され、該ジルコニアチユーブの先端側から前記接
触段部側へと伸長した縦溝と、該縦溝内に埋設す
るように前記ジルコニアチユーブの外面に設けら
れ、基端側が前記接触段部に延びた外側電極と、
該外側電極を含めて前記ジルコニアチユーブの中
間部外周から先端側外周を覆う保護層とから構成
してなる酸素センサ。 A sensor body, a zirconia tube whose proximal end is attached to the sensor body via a contact step and whose distal end protrudes outside the sensor body to become a closed end, and an inner electrode provided on the inner surface of the zirconia tube. , a vertical groove formed on the outer surface side of the zirconia tube and extending from the tip side of the zirconia tube toward the contact step side; and a vertical groove provided on the outer surface of the zirconia tube so as to be embedded in the vertical groove, and a base an outer electrode whose end side extends to the contact step;
An oxygen sensor comprising a protective layer that covers the outer periphery of the zirconia tube from the outer periphery of the intermediate portion to the outer periphery of the tip side, including the outer electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18302187U JPH0187246U (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18302187U JPH0187246U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187246U true JPH0187246U (en) | 1989-06-08 |
Family
ID=31474455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18302187U Pending JPH0187246U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187246U (en) |
-
1987
- 1987-12-01 JP JP18302187U patent/JPH0187246U/ja active Pending