JPH02131655U - - Google Patents
Info
- Publication number
- JPH02131655U JPH02131655U JP4077689U JP4077689U JPH02131655U JP H02131655 U JPH02131655 U JP H02131655U JP 4077689 U JP4077689 U JP 4077689U JP 4077689 U JP4077689 U JP 4077689U JP H02131655 U JPH02131655 U JP H02131655U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- electrode
- element plate
- oxygen sensor
- low
- 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案に係る酸素センサの電極取出部
の一実施例を示した一部分解断面図、第２図は第
１図の平面図、第３図は第１図の酸素センサにお
けるセンサ素子板の温度分布を示したグラフ、第
４図は第１図の酸素センサの限界電流特性を示し
たグラフ、第５図は本考案に係る酸素センサの電
極取出部の他の実施例を示した一部分解断面図、
第６図は第５図の酸素センサにおけるセンサ素子
板の温度分布を示したグラフ、第７図は従来の酸
素センサを示した一部分解断面図、第８図は第７
図の平面図、第９図は第７図の酸素センサにおけ
るセンサ素子板の温度分布を示したグラフ、第１
０図は第７図の酸素センサの限界電流特性を示し
たグラフ、第１１図は従来の他の酸素センサを示
した一部分解断面図である。
図中、１……センサ素子板、２，３……センサ
電極、２ａ……リード部、４……キヤツプ、５…
…加熱部、６……加熱ヒータ、７，８……電極リ
ード線、９……拡散孔、１２……突出部（低温部
）、１３……縁部（低温部）、Ｒ……センサ室。
FIG. 1 is a partially exploded sectional view showing an embodiment of the electrode extraction part of the oxygen sensor according to the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a sensor element in the oxygen sensor of FIG. 1. FIG. 4 is a graph showing the temperature distribution of the plate; FIG. 4 is a graph showing the limiting current characteristics of the oxygen sensor shown in FIG. 1; FIG. Partially exploded sectional view,
Fig. 6 is a graph showing the temperature distribution of the sensor element plate in the oxygen sensor of Fig. 5, Fig. 7 is a partially exploded sectional view showing the conventional oxygen sensor, and Fig. 8 is a graph showing the temperature distribution of the sensor element plate in the oxygen sensor of Fig. 5.
9 is a graph showing the temperature distribution of the sensor element plate in the oxygen sensor of FIG.
FIG. 0 is a graph showing the limiting current characteristics of the oxygen sensor shown in FIG. 7, and FIG. 11 is a partially exploded sectional view showing another conventional oxygen sensor. In the figure, 1...sensor element plate, 2, 3...sensor electrode, 2a...lead part, 4...cap, 5...
... Heating part, 6 ... Heater, 7, 8 ... Electrode lead wire, 9 ... Diffusion hole, 12 ... Projection part (low temperature part), 13 ... Edge (low temperature part), R ... Sensor chamber .
Claims (1)
、当該センサ素子板を加熱部の加熱ヒータにより
加熱して駆動させるようにした酸素センサにおい
て、少なくとも前記センサ素子板の一部に低温部
を設け、当該低温部に前記センサ電極を引き出し
、この部分に電極リード線を接続することを特徴
とする酸素センサの電極取出部。 (2) 前記センサ素子板の一部を突出させ、この
突出部を低温部としたことを特徴とする請求項１
記載の酸素センサの電極取出部。 (3) 前記センサ素子板を前記加熱部よりも大き
く形成して、その縁部を低温部としたことを特徴
とする請求項１記載の酸素センサの電極取出部。[Claims for Utility Model Registration] (1) In an oxygen sensor in which a sensor electrode is provided on a sensor element plate and the sensor element plate is heated and driven by a heater of a heating section, at least An electrode lead-out part of an oxygen sensor, characterized in that a low-temperature part is provided in a part, the sensor electrode is drawn out to the low-temperature part, and an electrode lead wire is connected to this part. (2) A part of the sensor element plate is made to protrude, and this protrusion is used as a low temperature part.
Electrode extraction part of the oxygen sensor described. (3) The electrode lead-out portion of an oxygen sensor according to claim 1, wherein the sensor element plate is formed larger than the heating portion, and an edge thereof is formed as a low-temperature portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4077689U JPH0731163Y2 (en) | 1989-04-06 | 1989-04-06 | Electrode extraction part of limiting current type oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4077689U JPH0731163Y2 (en) | 1989-04-06 | 1989-04-06 | Electrode extraction part of limiting current type oxygen sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02131655U true JPH02131655U (en) | 1990-11-01 |
| JPH0731163Y2 JPH0731163Y2 (en) | 1995-07-19 |
Family
ID=31550858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4077689U Expired - Lifetime JPH0731163Y2 (en) | 1989-04-06 | 1989-04-06 | Electrode extraction part of limiting current type oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731163Y2 (en) |
-
1989
- 1989-04-06 JP JP4077689U patent/JPH0731163Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0731163Y2 (en) | 1995-07-19 |