JPS61125757U - - Google Patents
Info
- Publication number
- JPS61125757U JPS61125757U JP953885U JP953885U JPS61125757U JP S61125757 U JPS61125757 U JP S61125757U JP 953885 U JP953885 U JP 953885U JP 953885 U JP953885 U JP 953885U JP S61125757 U JPS61125757 U JP S61125757U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- galvanic cell
- output
- oxygen sensor
- measured
- 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 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 5
- 239000007789 gas Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 239000008151 electrolyte solution Substances 0.000 claims 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
Description
第１図は本考案による酸素センサの側断面図、
第２図は計測用ガルバニ電池の起電力の補正およ
び起電力の値を酸素濃度値に変換させるための電
気回路図である。
図中、１…計測用ガルバニ電池の陰極、２…基
準ガルバニ電池の陰極、３…陽極、４，５…テフ
ロン膜、１０…電池ケース側壁体、２３〜２５…
電極リード線、３０…計測用ガルバニ電池陰極の
カバー体、３１…被計測気体の供給用配管、４２
，４３…電流〜電圧変換用オペアンプ、４６…演
算回路。
Figure 1 is a side sectional view of the oxygen sensor according to the present invention.
FIG. 2 is an electric circuit diagram for correcting the electromotive force of the measurement galvanic cell and converting the electromotive force value into an oxygen concentration value. In the figure, 1... Cathode of galvanic cell for measurement, 2... Cathode of reference galvanic cell, 3... Anode, 4, 5... Teflon membrane, 10... Battery case side wall body, 23-25...
Electrode lead wire, 30... Cover body of the galvanic cell cathode for measurement, 31... Piping for supplying gas to be measured, 42
, 43... Current-to-voltage conversion operational amplifier, 46... Arithmetic circuit.
Claims (1)
極面を被包された計測用ガルバニ電池と、陰極面
が大気に接している基準ガルバニ電池と、前記両
電池のそれぞれの出力電流検出回路を構成する第
１のオペアンプおよび第２のオペアンプと、前記
第１のオペアンプの出力を前記第２のオペアンプ
の出力で割算するための演算回路とを備えてなり
、該演算回路の出力を前記被計測気体の酸素濃度
信号として取出すように構成されていることを特
徴とする酸素センサ。 (2) 前記計測用ガルバニ電池と前記基準ガルバ
ニ電池とが、１つの電解液槽と１の陽極とを共有
する状態のもとに１つの電池ケース内に組込まれ
ていることを特徴とする実用新案登録請求の範囲
第１項記載の酸素センサ。 (3) 前記第１のオペアンプに抵抗値可変型基準
抵抗が接続されていることを特徴とする実用新案
登録請求の範囲第１項または第２項記載の酸素セ
ンサ。[Claims for Utility Model Registration] (1) A measurement galvanic cell whose cathode surface is covered with a cover body having a supply port for gas to be measured, a reference galvanic cell whose cathode surface is in contact with the atmosphere, and the aforementioned A first operational amplifier and a second operational amplifier constituting respective output current detection circuits of both batteries, and an arithmetic circuit for dividing the output of the first operational amplifier by the output of the second operational amplifier. An oxygen sensor characterized in that the output of the arithmetic circuit is taken out as an oxygen concentration signal of the gas to be measured. (2) Practical use characterized in that the measurement galvanic cell and the reference galvanic cell are incorporated in one battery case in a state where one electrolytic solution tank and one anode are shared. An oxygen sensor according to claim 1 of the patent registration claim. (3) The oxygen sensor according to claim 1 or 2, wherein a variable resistance reference resistor is connected to the first operational amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP953885U JPH0416217Y2 (en) | 1985-01-25 | 1985-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP953885U JPH0416217Y2 (en) | 1985-01-25 | 1985-01-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61125757U true JPS61125757U (en) | 1986-08-07 |
| JPH0416217Y2 JPH0416217Y2 (en) | 1992-04-10 |
Family
ID=30489853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP953885U Expired JPH0416217Y2 (en) | 1985-01-25 | 1985-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0416217Y2 (en) |
-
1985
- 1985-01-25 JP JP953885U patent/JPH0416217Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0416217Y2 (en) | 1992-04-10 |
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