JPH0295852U - - Google Patents
Info
- Publication number
- JPH0295852U JPH0295852U JP15502488U JP15502488U JPH0295852U JP H0295852 U JPH0295852 U JP H0295852U JP 15502488 U JP15502488 U JP 15502488U JP 15502488 U JP15502488 U JP 15502488U JP H0295852 U JPH0295852 U JP H0295852U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- sensor
- sensor element
- heating
- ceramic substrate
- 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
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000009792 diffusion process Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000007784 solid electrolyte Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 1
Description
第１図から第４図は本考案の第１実施例を示し
、第１図は酸素センサの断面図、第２図は酸素セ
ンサの斜視図、第３図は湿度測定装置の概略図、
第４図は本実施例のセラミツクヒータの構成を示
す斜視図、第５図は湿度測定装置による測定の一
例を示す電圧―電流特性図、第６図は本考案の第
２実施例を示す酸素センサの断面図、第７図は本
考案の第３実施例を示す酸素センサの断面図、第
８図は本考案の第４、第５実施例におけるセラミ
ツクヒータを示す斜視図、第９図は本考案の酸素
センサの第４実施例を示す斜視図、第１０図は本
発明の酸素センサの第５実施例を示す斜視図、第
１１図および第１２図は従来の酸素センサを示す
それぞれ断面図および斜視図である。
図中、１…酸素センサ（酸素濃度検出用センサ
）、１０…センサ素子、１１…酸素イオン導電板
（固体電解質）、１２…陽電極、１３…陰電極、
１３ｂ…接続部（酸素拡散制御手段）、２０…セ
ラミツクヒータ（セラミツク基板）、２０ａ…ヒ
ータパターン（発熱抵抗体）。
1 to 4 show a first embodiment of the present invention, FIG. 1 is a sectional view of an oxygen sensor, FIG. 2 is a perspective view of an oxygen sensor, and FIG. 3 is a schematic diagram of a humidity measuring device.
Fig. 4 is a perspective view showing the configuration of the ceramic heater of this embodiment, Fig. 5 is a voltage-current characteristic diagram showing an example of measurement by a humidity measuring device, and Fig. 6 is an oxygen 7 is a cross-sectional view of an oxygen sensor showing a third embodiment of the present invention; FIG. 8 is a perspective view showing a ceramic heater in fourth and fifth embodiments of the present invention; FIG. FIG. 10 is a perspective view showing a fourth embodiment of the oxygen sensor of the present invention, FIG. 10 is a perspective view showing a fifth embodiment of the oxygen sensor of the present invention, and FIGS. 11 and 12 are cross-sectional views of a conventional oxygen sensor. FIG. 2 is a diagram and a perspective view. In the figure, 1... oxygen sensor (oxygen concentration detection sensor), 10... sensor element, 11... oxygen ion conductive plate (solid electrolyte), 12... positive electrode, 13... negative electrode,
13b... Connection portion (oxygen diffusion control means), 20... Ceramic heater (ceramic substrate), 20a... Heater pattern (heating resistor).
Claims (1)
び陰電極が、酸素イオン導電性を有する固体電解
質の表面に密着して設けられ、前記陽電極および
陰電極間に電圧が印加されるとともに、酸素拡散
制御手段によつて前記陰電極への酸素拡散が制限
されるセンサ素子と、該センサ素子を加熱する加
熱手段とからなる酸素濃度検出用センサにおいて
、 前記センサ素子はセラミツク基板に固着される
とともに、該セラミツク基板は内部に発熱抵抗体
を備えた前記加熱手段であることを特徴とする酸
素濃度検出用センサ。[Claims for Utility Model Registration] A film-like positive electrode and negative electrode formed of a porous material are provided in close contact with the surface of a solid electrolyte having oxygen ion conductivity, and the positive electrode and negative electrode An oxygen concentration detection sensor comprising: a sensor element to which a voltage is applied, and oxygen diffusion to the cathode is restricted by an oxygen diffusion control means; and a heating means for heating the sensor element; 1. A sensor for detecting oxygen concentration, wherein the sensor element is fixed to a ceramic substrate, and the ceramic substrate is the heating means provided with a heating resistor inside.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15502488U JPH0295852U (en) | 1988-11-29 | 1988-11-29 | |
| DE68929412T DE68929412T2 (en) | 1988-11-29 | 1989-11-29 | Method for determining the reference current at zero humidity for a humidity sensor using an electrochemical cell |
| EP96109059A EP0737860B1 (en) | 1988-11-29 | 1989-11-29 | A method of determining a zero-humidity reference current level for an electrochemical cell humidity measurement device |
| EP89312393A EP0371774B1 (en) | 1988-11-29 | 1989-11-29 | A humidity measurement device by use of an electrochemical cell |
| DE68928441T DE68928441T2 (en) | 1988-11-29 | 1989-11-29 | A moisture sensor using an electrochemical cell |
| US07/896,503 US5348630A (en) | 1988-11-29 | 1992-06-02 | Method of measuring humidity using an electrochemical cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15502488U JPH0295852U (en) | 1988-11-29 | 1988-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0295852U true JPH0295852U (en) | 1990-07-31 |
Family
ID=31432276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15502488U Pending JPH0295852U (en) | 1988-11-29 | 1988-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0295852U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842965A (en) * | 1981-09-09 | 1983-03-12 | Nissan Motor Co Ltd | Oxygen sensor element |
| JPS60230049A (en) * | 1984-04-27 | 1985-11-15 | Nissan Motor Co Ltd | Oxygen sensor |
-
1988
- 1988-11-29 JP JP15502488U patent/JPH0295852U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5842965A (en) * | 1981-09-09 | 1983-03-12 | Nissan Motor Co Ltd | Oxygen sensor element |
| JPS60230049A (en) * | 1984-04-27 | 1985-11-15 | Nissan Motor Co Ltd | Oxygen sensor |
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