JPH0310253U - - Google Patents
Info
- Publication number
- JPH0310253U JPH0310253U JP7113089U JP7113089U JPH0310253U JP H0310253 U JPH0310253 U JP H0310253U JP 7113089 U JP7113089 U JP 7113089U JP 7113089 U JP7113089 U JP 7113089U JP H0310253 U JPH0310253 U JP H0310253U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- cap
- oxygen sensor
- heater
- internal electrode
- 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 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims 2
- 239000007784 solid electrolyte Substances 0.000 claims 2
- 239000000758 substrate Substances 0.000 claims 2
- 238000009792 diffusion process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案に係る酸素センサの一実施例を
示した説明図、第２図Ａ〜Ｂは第１図の酸素セン
サの各使用方法を示す説明図、第３図は従来の酸
素センサの一例を示した説明図である。
図中、１……センシング基板、２，３……セン
シング用電極、４……キヤツプ、５……小孔、６
……ヒータ、６ａ……ヒータ電極、１１……内部
電極、１２……制御用電源。
Fig. 1 is an explanatory diagram showing one embodiment of the oxygen sensor according to the present invention, Figs. 2 A to B are explanatory diagrams showing each method of using the oxygen sensor of Fig. 1, and Fig. 3 is a conventional oxygen sensor. It is an explanatory view showing an example. In the figure, 1... Sensing board, 2, 3... Sensing electrode, 4... Cap, 5... Small hole, 6
... Heater, 6a ... Heater electrode, 11 ... Internal electrode, 12 ... Control power supply.
Claims (1)
に一対のセンシング用電極を設けると共に、前記
センシング基板の一側面に拡散用の小孔を有する
キヤツプを被冠させ、かつ該キヤツプ上面等に加
熱用のヒータを設けた酸素センサにおいて、前記
キヤツプを固体電解質で形成すると共に、当該キ
ヤツプの内部に前記ヒータのヒータ電極と対極を
なす限界電流値制御用の内部電極を設け、該内部
電極と前記ヒータ電極との間に制御用電源を接続
して、限界電流値を制御することを特徴とする酸
素センサ。 (2) 前記内部電極をマイナス極として、高濃度
測定用としたことを特徴とする前記請求項１記載
の酸素センサ。 (3) 前記内部電極をプラス極として、低濃度測
定用としたことを特徴とする前記請求項１記載の
酸素センサ。[Claims for Utility Model Registration] (1) A pair of sensing electrodes are provided on both sides of a sensing substrate made of a solid electrolyte, and one side of the sensing substrate is covered with a cap having small holes for diffusion, and In the oxygen sensor in which a heater is provided on the top surface of the cap, the cap is formed of a solid electrolyte, and an internal electrode for limiting current value control is provided inside the cap, which is opposite to the heater electrode of the heater. An oxygen sensor characterized in that a control power source is connected between the internal electrode and the heater electrode to control a limiting current value. (2) The oxygen sensor according to claim 1, wherein the internal electrode is a negative electrode and is used for high concentration measurement. (3) The oxygen sensor according to claim 1, wherein the internal electrode is a positive electrode and is used for low concentration measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7113089U JPH0716997Y2 (en) | 1989-06-17 | 1989-06-17 | Oxygen sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7113089U JPH0716997Y2 (en) | 1989-06-17 | 1989-06-17 | Oxygen sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0310253U true JPH0310253U (en) | 1991-01-31 |
| JPH0716997Y2 JPH0716997Y2 (en) | 1995-04-19 |
Family
ID=31607890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7113089U Expired - Lifetime JPH0716997Y2 (en) | 1989-06-17 | 1989-06-17 | Oxygen sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0716997Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009529689A (en) * | 2006-03-13 | 2009-08-20 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Gas sensor with pump cell and additional external electrode |
-
1989
- 1989-06-17 JP JP7113089U patent/JPH0716997Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009529689A (en) * | 2006-03-13 | 2009-08-20 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツング | Gas sensor with pump cell and additional external electrode |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0716997Y2 (en) | 1995-04-19 |