JPS6182264U - - Google Patents
Info
- Publication number
- JPS6182264U JPS6182264U JP16566484U JP16566484U JPS6182264U JP S6182264 U JPS6182264 U JP S6182264U JP 16566484 U JP16566484 U JP 16566484U JP 16566484 U JP16566484 U JP 16566484U JP S6182264 U JPS6182264 U JP S6182264U
- Authority
- JP
- Japan
- Prior art keywords
- oxygen
- protective cover
- protective
- sensing element
- detector according
- 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
- 230000001681 protective effect Effects 0.000 claims description 34
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 32
- 239000001301 oxygen Substances 0.000 claims description 32
- 229910052760 oxygen Inorganic materials 0.000 claims description 32
- 239000007789 gas Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000007784 solid electrolyte Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000012212 insulator Substances 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Measuring Oxygen Concentration In Cells (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
第１図は本考案の第１実施例の構成を示す縦断
面図、第２図は第１図中の酸素検知素子の分解図
、第３図は第１図中の酸素検知素子に一体化され
ているヒーターの構成図、第４図は第１図中の気
密リングを一部切欠いて示す斜視図、第５図は第
１図中の保護管体を取出して示す縦断面図、第６
図は第１図中の外側の保護カバー部材を取出して
示す縦断面図、第７図は本考案の第２実施例にお
ける保護カバー部材の付近を示す縦断面図、第８
図は本考案の第３実施例の構成を示す縦断面図、
第９図は本考案の第４実施例における保護カバー
部材の付近を示す縦断面図、第１０図は本考案の
第５実施例における保護カバー部材の付近を示す
縦断面図、第１１図は本考案の第６実施例におけ
る保護カバー部材の付近を示す縦断面図、第１２
図は第１１図の−断面図である。
２…検知素子、４…空気通路、６…酸素検知部
、８…絶縁碍子、１０…接続碍子、１２，１１２
…金属製保護管体、１４…充填材、１６…ゴム栓
、１８ａ，１８ｂ，１８ｃ，１８ｄ，１８ｅ，１
８ｆ…リード線、２０…カシメ部、２２…空気孔
、２８ａ，２８ｂ…被測定ガス導入孔、３０ａ〜
３０ｅ，３０ｇ，３０ｈ…保護カバー部材、３２
…保護筒部、３４…ハウジング、３６…シール空
間、３８…気密リング。
Figure 1 is a longitudinal sectional view showing the configuration of the first embodiment of the present invention, Figure 2 is an exploded view of the oxygen sensing element in Figure 1, and Figure 3 is an integrated view of the oxygen sensing element in Figure 1. FIG. 4 is a perspective view with a part of the airtight ring shown in FIG. 1 cut away, FIG. 5 is a vertical sectional view showing the protective tube body shown in FIG.
The figures are a vertical sectional view showing the outer protective cover member in FIG. 1 taken out, FIG. 7 is a vertical sectional view showing the vicinity of the protective cover member in the second embodiment of the present invention, and
The figure is a longitudinal sectional view showing the configuration of the third embodiment of the present invention.
FIG. 9 is a vertical cross-sectional view showing the vicinity of the protective cover member in the fourth embodiment of the present invention, FIG. 10 is a vertical cross-sectional view showing the vicinity of the protective cover member in the fifth embodiment of the present invention, and FIG. A vertical sectional view showing the vicinity of the protective cover member in the sixth embodiment of the present invention, the 12th embodiment
The figure is a - sectional view of FIG. 11. 2...Detection element, 4...Air passage, 6...Oxygen detection section, 8...Insulator, 10...Connection insulator, 12,112
...Metal protective tube body, 14...Filling material, 16...Rubber stopper, 18a, 18b, 18c, 18d, 18e, 1
8f...Lead wire, 20...Caulking part, 22...Air hole, 28a, 28b...Measurement gas introduction hole, 30a~
30e, 30g, 30h...protective cover member, 32
...Protective tube portion, 34...Housing, 36...Seal space, 38...Airtight ring.
Claims (1)
素検知器であつて、先端部に酸素検知部が設けら
れた長手形状の酸素検知素子と、被測定ガス中に
挿入、位置せしめられて、該被測定ガスに晒され
る、少なくとも前記検知部を含む酸素検知素子部
分を保護するための保護カバー部と、該酸素検知
素子の被測定ガスに晒されない部分を覆う保護筒
部と、酸素検知器を被測定ガス流通管等の隔壁に
取り付けるためのハウジングとを有するものにお
いて、 前記保護筒部と一体となつて保護管体を形成す
る１つの保護カバー部材に、前記被測定ガスが前
記酸素検知素子部分に到る通路をさらに制限する
他の保護カバー部材を組合わせて保護カバー部を
構成し、且つ該保護管体が前記ハウジングに実質
的に気密に取り付けられていることを特徴とする
酸素検知器。 ２ 前記保護カバー部が３個の保護カバー部材に
より構成される実用新案登録請求の範囲第１項記
載の酸素検知器。 ３ 前記保護カバー部が２個の保護カバー部材に
より構成される実用新案登録請求の範囲第１項記
載の酸素検知器。 ４ 前記酸素検知素子部分を保護するにあたり、
前記保護カバー部材は実質的に互いに重なりあつ
ている実用新案登録請求の範囲第１項乃至第３項
の何れかに記載の酸素検知器。 ５ 前記保護カバー部材の内の少なくとも１個が
ハウジングにより支持固定されている実用新案登
録請求の範囲第１項乃至第４項の何れかに記載の
酸素検知器。 ６ 前記保護カバー部材の内の少なくとも１個が
前記保護管体内側に位置せしめられる実用新案登
録請求の範囲第１項乃至第４項の何れかに記載の
酸素検知器。 ７ 前記保護管体が前記ハウジングに嵌挿せしめ
られると共に、該保護管体に外挿せしめた気密リ
ングにて、該ハウジングとの間の気密が確保され
ている実用新案登録請求の範囲第１項乃至第６項
の何れかに記載の酸素検知器。 ８ 前記酸素検知素子が、狭幅な板状形状を有す
るものである実用新案登録請求の範囲第１項乃至
第７項の何れかに記載の酸素検知器。 ９ 前記酸素検知素子の少なくとも前記酸素検知
部が、実質的に、ジルコニアを主成分とする固体
電解質にて構成される実用新案登録請求の範囲第
１項乃至第８項の何れかに記載の酸素検知器。 １０ 前記酸素検知素子の酸素検知部が実質的に
、酸素分圧によつて抵抗が変化する酸化物半導体
にて構成される実用新案登録請求の範囲第１項乃
至第８項の何れかに記載の酸素検知器。 １１ 前記１つの保護カバー部材と前記保護筒部
とが一体成形されて、前記保護管体を形成してい
る実用新案登録請求の範囲第１項乃至第１０項の
何れかに記載の酸素検知器。 １２ 前記１つの保護カバー部材と前記保護筒部
とが、溶接またはカシメ等の接合形態において一
体とされて、前記保護管体を形成している実用新
案登録請求の範囲第１項乃至第１１項の何れかに
記載の酸素検知器。 １３ 前記酸素検知素子を加熱するヒータを有す
る実用新案登録請求の範囲第１項乃至第１２項の
何れかに記載の酸素検知器。[Scope of Claim for Utility Model Registration] 1. An oxygen detector for measuring the partial pressure of oxygen in a gas to be measured, which comprises a long oxygen sensing element having an oxygen sensing portion at its tip, and a gas to be measured. a protective cover part for protecting a portion of the oxygen sensing element, including at least the detection part, which is inserted and positioned inside and exposed to the gas to be measured, and a part of the oxygen sensing element that is not exposed to the gas to be measured; In a device having a protective cylinder part to cover and a housing for attaching an oxygen detector to a partition wall of a gas distribution pipe to be measured, etc., one protective cover member that is integrated with the protective cylinder part to form a protective pipe body. , a protective cover part is configured by combining another protective cover member that further restricts the passage of the gas to be measured to the oxygen sensing element part, and the protective tube body is attached to the housing in a substantially airtight manner. An oxygen detector characterized by: 2. The oxygen detector according to claim 1, wherein the protective cover portion is constituted by three protective cover members. 3. The oxygen detector according to claim 1, wherein the protective cover portion is constituted by two protective cover members. 4. In protecting the oxygen sensing element part,
The oxygen detector according to any one of claims 1 to 3, wherein the protective cover members substantially overlap each other. 5. The oxygen detector according to any one of claims 1 to 4, wherein at least one of the protective cover members is supported and fixed by a housing. 6. The oxygen detector according to any one of claims 1 to 4, wherein at least one of the protective cover members is located inside the protective tube body. 7. Utility model registration claim 1, wherein the protective tube body is fitted into the housing, and airtightness between the protective tube body and the housing is ensured by an airtight ring fitted over the protective tube body. The oxygen detector according to any one of items 6 to 6. 8. The oxygen detector according to any one of claims 1 to 7, wherein the oxygen sensing element has a narrow plate shape. 9. The oxygen according to any one of claims 1 to 8, wherein at least the oxygen sensing portion of the oxygen sensing element is substantially composed of a solid electrolyte containing zirconia as a main component. Detector. 10 The oxygen sensing portion of the oxygen sensing element is substantially formed of an oxide semiconductor whose resistance changes depending on the oxygen partial pressure, as claimed in any one of claims 1 to 8. oxygen detector. 11. The oxygen detector according to any one of claims 1 to 10, wherein the one protective cover member and the protective cylinder part are integrally molded to form the protective tube body. . 12. Utility model registration claims 1 to 11, in which the one protective cover member and the protective tube are joined together by welding or caulking to form the protective tube. The oxygen detector according to any of the above. 13. The oxygen detector according to any one of claims 1 to 12, which includes a heater for heating the oxygen sensing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16566484U JPS6182264U (en) | 1984-11-02 | 1984-11-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16566484U JPS6182264U (en) | 1984-11-02 | 1984-11-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6182264U true JPS6182264U (en) | 1986-05-31 |
Family
ID=30723504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16566484U Pending JPS6182264U (en) | 1984-11-02 | 1984-11-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6182264U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517164U (en) * | 1978-07-20 | 1980-02-02 | ||
| JPS5539099A (en) * | 1978-09-13 | 1980-03-18 | Bendix Corp | Sensor element protection shield and fluid sensor equipped with same |
| JPS5830654A (en) * | 1981-08-17 | 1983-02-23 | Nippon Soken Inc | Air-fuel ratio detector |
| JPS5876757A (en) * | 1981-10-31 | 1983-05-09 | Nippon Denso Co Ltd | Oxygen concentration detector |
-
1984
- 1984-11-02 JP JP16566484U patent/JPS6182264U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5517164U (en) * | 1978-07-20 | 1980-02-02 | ||
| JPS5539099A (en) * | 1978-09-13 | 1980-03-18 | Bendix Corp | Sensor element protection shield and fluid sensor equipped with same |
| JPS5830654A (en) * | 1981-08-17 | 1983-02-23 | Nippon Soken Inc | Air-fuel ratio detector |
| JPS5876757A (en) * | 1981-10-31 | 1983-05-09 | Nippon Denso Co Ltd | Oxygen concentration detector |
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