JPS62174266U - - Google Patents
Info
- Publication number
- JPS62174266U JPS62174266U JP6234486U JP6234486U JPS62174266U JP S62174266 U JPS62174266 U JP S62174266U JP 6234486 U JP6234486 U JP 6234486U JP 6234486 U JP6234486 U JP 6234486U JP S62174266 U JPS62174266 U JP S62174266U
- Authority
- JP
- Japan
- Prior art keywords
- detection element
- carbon monoxide
- item
- oxidation catalyst
- element 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
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 12
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 229910044991 metal oxide Inorganic materials 0.000 claims 3
- 150000004706 metal oxides Chemical class 0.000 claims 3
- 239000004065 semiconductor Substances 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910004298 SiO 2 Inorganic materials 0.000 claims 2
- 229910006404 SnO 2 Inorganic materials 0.000 claims 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 239000011810 insulating material Substances 0.000 claims 2
- 101150003085 Pdcl gene Proteins 0.000 claims 1
- 239000010425 asbestos Substances 0.000 claims 1
- 229910003465 moissanite Inorganic materials 0.000 claims 1
- 229910052895 riebeckite Inorganic materials 0.000 claims 1
- 229910010271 silicon carbide Inorganic materials 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
Description
第１図は本考案に係る一酸化炭素検出素子の外
観斜視図、第２図は同じくその断面図、第３図は
第１図及び第２図に示した本考案に係る一酸化炭
素検出素子と、酸化触媒を持たない一酸化炭素検
出素子のＣＯガス濃度及びＨ２ガス濃度―抵抗値
変化率特性図、第４図は本考案に係る一酸化炭素
検出素子の時間応答特性図である。
２……感応体、３……断熱性絶縁物、４……ヒ
ータ、５……酸化触媒。
Fig. 1 is an external perspective view of a carbon monoxide detection element according to the present invention, Fig. 2 is a sectional view thereof, and Fig. 3 is a carbon monoxide detection element according to the present invention shown in Figs. 1 and 2. and a CO gas concentration and H 2 gas concentration vs. resistance value change rate characteristic diagram of a carbon monoxide detection element without an oxidation catalyst, and FIG. 4 is a time response characteristic diagram of the carbon monoxide detection element according to the present invention. 2...Sensor, 3...Adiabatic insulator, 4...Heater, 5...Oxidation catalyst.
Claims (1)
でなる感応体と、ヒータが熱結合されていてＨ２
を吸着させる酸化触媒とを、断熱性絶縁物を介し
て組合せたことを特徴とする一酸化炭素検出素子
。 (2) 前記金属酸化物半導体は、ＳｎＯ２または
ＺｎＯ２の何れかを主成分とすることを特徴とす
る実用新案登録請求の範囲第１項に記載の一酸化
炭素検出素子。 (3) 前記金属酸化物半導体は、Ｐｔを含有する
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項に記載の一酸化炭素検出素子。 (4) 前記酸化触媒は、Ｃｒ２Ｏ３，ＳｎＯ２，
ＴｈＯまたはＰｄＣｌ２―ＳｉＯ２から選択され
た少なくとも一種でなることを特徴とする実用新
案登録請求の範囲第１項、第２項または第３項に
記載の一酸化炭素検出素子。 (5) 前記感応体及び前記酸化触媒は、多孔質焼
結体でなることを特徴とする実用新案登録請求の
範囲第１項、第２項、第３項または第４項に記載
の一酸化炭素検出素子。 (6) 前記断熱性絶縁物は、ジルコニア、ＳｉＣ
、アスベスト、Ｋ２ＴｉＯ３，ＳｉＯ２の少なく
とも一種でなることを特徴とする実用新案登録請
求の範囲第１項、第２項、第３項、第４項または
第５項に記載の一酸化炭素検出素子。 (7) 前記感応体、前記断熱性絶縁物、前記ヒー
タ及び前記酸化触媒は、絶縁基板の上に順次に積
層して一体的に設けたことを特徴とする実用新案
登録請求の範囲第１項、第２項、第３項、第４項
、第５項または第６項に記載の一酸化炭素検出素
子。[Claims for Utility Model Registration] (1) A heater made of a metal oxide semiconductor that is sensitive to H 2 and CO is thermally coupled to an H 2
1. A carbon monoxide detection element comprising: an oxidation catalyst that adsorbs carbon monoxide; and an oxidation catalyst that adsorbs carbon monoxide. (2) The carbon monoxide detection element according to claim 1, wherein the metal oxide semiconductor has either SnO 2 or ZnO 2 as a main component. (3) The carbon monoxide detection element according to claim 1 or 2, wherein the metal oxide semiconductor contains Pt. (4) The oxidation catalyst includes Cr 2 O 3 , SnO 2 ,
The carbon monoxide detection element according to claim 1, 2, or 3, which is made of at least one selected from ThO or PdCl 2 -SiO 2 . (5) The monoxide according to claim 1, 2, 3, or 4 of the utility model registration claim, wherein the sensitive body and the oxidation catalyst are made of porous sintered bodies. Carbon detection element. (6) The heat insulating material is zirconia, SiC
, asbestos, K 2 TiO 3 , and SiO 2 . Carbon detection element. (7) Utility model registration claim 1, characterized in that the sensitive body, the heat insulating material, the heater, and the oxidation catalyst are sequentially stacked and integrally provided on an insulating substrate. , the carbon monoxide detection element according to item 2, item 3, item 4, item 5, or item 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6234486U JPS62174266U (en) | 1986-04-24 | 1986-04-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6234486U JPS62174266U (en) | 1986-04-24 | 1986-04-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62174266U true JPS62174266U (en) | 1987-11-05 |
Family
ID=30896528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6234486U Pending JPS62174266U (en) | 1986-04-24 | 1986-04-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62174266U (en) |
-
1986
- 1986-04-24 JP JP6234486U patent/JPS62174266U/ja active Pending
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