JPS6358749U - - Google Patents
Info
- Publication number
- JPS6358749U JPS6358749U JP15263886U JP15263886U JPS6358749U JP S6358749 U JPS6358749 U JP S6358749U JP 15263886 U JP15263886 U JP 15263886U JP 15263886 U JP15263886 U JP 15263886U JP S6358749 U JPS6358749 U JP S6358749U
- Authority
- JP
- Japan
- Prior art keywords
- platinum electrode
- metal lead
- oxygen sensor
- solid electrolyte
- insertion hole
- 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 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 239000007784 solid electrolyte Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000005219 brazing Methods 0.000 claims 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案の酸素センサ電極取付け部を示
す要部拡大縦断面図（第４図Ｒ―Ｒ線拡大断面図
に対応）、第２図は本考案の酸素センサの電極取
付部を示す要部拡大横断面図（第４図Ｓ―Ｓ線拡
大断面図に対応）、第３図は従来のヒータ付酸素
センサの要部横断面図である。第４図は本考案実
施例及び従来例によるヒータ付酸素センサの全体
平面図、第５図は第４図におけるヒータ付酸素セ
ンサのＸ―Ｘ線断面図、第６図は第５図における
Ｙ―Ｙ線断面図、第７図および第８図は従来の酸
素センサの電極取付部を示す要部拡大縦断面図で
ある。
１：ヒータ付酸素センサ、２：導入孔、３：大
気導入孔、４：固体電解質、５，６：白金電極、
Ｈ：ヒータ、Ｓ：センサ、１１，１２：銀ロウ、
１３，１４：リード差込孔、１５，１６：タング
ステンメタライズ層。
Fig. 1 is an enlarged vertical cross-sectional view of main parts showing the oxygen sensor electrode mounting part of the present invention (corresponding to the enlarged sectional view taken along the line R--R in Fig. 4), and Fig. 2 shows the electrode mounting part of the oxygen sensor of the present invention. FIG. 3 is an enlarged cross-sectional view of the main part (corresponding to the enlarged cross-sectional view taken along line SS in FIG. 4), and FIG. 3 is a cross-sectional view of the main part of a conventional oxygen sensor with a heater. FIG. 4 is an overall plan view of an oxygen sensor with a heater according to an embodiment of the present invention and a conventional example, FIG. 5 is a sectional view taken along line X--X of the oxygen sensor with a heater in FIG. 4, and FIG. - Y-line sectional view, and FIGS. 7 and 8 are enlarged vertical sectional views of main parts showing the electrode attachment part of a conventional oxygen sensor. 1: Oxygen sensor with heater, 2: Introduction hole, 3: Air introduction hole, 4: Solid electrolyte, 5, 6: Platinum electrode,
H: heater, S: sensor, 11, 12: silver solder,
13, 14: Lead insertion hole, 15, 16: Tungsten metallized layer.
Claims (1)
材との間に金属リード差込孔を設け、このリード
差込孔内の固体電解質板上に白金電極を配設する
一方、このリード差込孔内のアルミナ質外壁部材
側にタングステンメタライズ層を形成し、該タン
グステンメタライズ層と白金電極との間に金属リ
ードを差込んだ状態で銀ロウを充填して、白金電
極に金属リードをロウ付け接続したことを特徴と
する酸素センサの電極取付け構造。 A metal lead insertion hole is provided between the zirconia solid electrolyte plate and the alumina outer wall member, and a platinum electrode is placed on the solid electrolyte plate in this lead insertion hole. A tungsten metallized layer is formed on the outer wall member side, and a metal lead is inserted between the tungsten metallized layer and the platinum electrode, filled with silver solder, and the metal lead is connected to the platinum electrode by brazing. Features the electrode mounting structure of the oxygen sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15263886U JPH0533959Y2 (en) | 1986-10-03 | 1986-10-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15263886U JPH0533959Y2 (en) | 1986-10-03 | 1986-10-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6358749U true JPS6358749U (en) | 1988-04-19 |
| JPH0533959Y2 JPH0533959Y2 (en) | 1993-08-27 |
Family
ID=31070798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15263886U Expired - Lifetime JPH0533959Y2 (en) | 1986-10-03 | 1986-10-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533959Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015194474A (en) * | 2014-03-26 | 2015-11-05 | 日本特殊陶業株式会社 | Gas sensor and gas detection element |
-
1986
- 1986-10-03 JP JP15263886U patent/JPH0533959Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015194474A (en) * | 2014-03-26 | 2015-11-05 | 日本特殊陶業株式会社 | Gas sensor and gas detection element |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533959Y2 (en) | 1993-08-27 |
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