JPS6070345A - ガス漏れ検知装置 - Google Patents
ガス漏れ検知装置Info
- Publication number
- JPS6070345A JPS6070345A JP58178215A JP17821583A JPS6070345A JP S6070345 A JPS6070345 A JP S6070345A JP 58178215 A JP58178215 A JP 58178215A JP 17821583 A JP17821583 A JP 17821583A JP S6070345 A JPS6070345 A JP S6070345A
- Authority
- JP
- Japan
- Prior art keywords
- output
- transistor
- heater wire
- circuit
- resistor
- 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
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 239000004065 semiconductor Substances 0.000 claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 5
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 5
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 42
- 238000010586 diagram Methods 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- -1 8nO Substances 0.000 description 1
- 101150106671 COMT gene Proteins 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58178215A JPS6070345A (ja) | 1983-09-28 | 1983-09-28 | ガス漏れ検知装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58178215A JPS6070345A (ja) | 1983-09-28 | 1983-09-28 | ガス漏れ検知装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2246789A Division JPH03150456A (ja) | 1990-09-17 | 1990-09-17 | ガス漏れ検知装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6070345A true JPS6070345A (ja) | 1985-04-22 |
JPH0333225B2 JPH0333225B2 (enrdf_load_html_response) | 1991-05-16 |
Family
ID=16044592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58178215A Granted JPS6070345A (ja) | 1983-09-28 | 1983-09-28 | ガス漏れ検知装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6070345A (enrdf_load_html_response) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6189155U (enrdf_load_html_response) * | 1984-11-16 | 1986-06-10 | ||
JPS61126458A (ja) * | 1984-11-22 | 1986-06-13 | Mitsubishi Electric Corp | 検出器 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58178214A (ja) * | 1982-04-12 | 1983-10-19 | Mitsubishi Electric Corp | 走行情報表示装置 |
-
1983
- 1983-09-28 JP JP58178215A patent/JPS6070345A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58178214A (ja) * | 1982-04-12 | 1983-10-19 | Mitsubishi Electric Corp | 走行情報表示装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6189155U (enrdf_load_html_response) * | 1984-11-16 | 1986-06-10 | ||
JPS61126458A (ja) * | 1984-11-22 | 1986-06-13 | Mitsubishi Electric Corp | 検出器 |
Also Published As
Publication number | Publication date |
---|---|
JPH0333225B2 (enrdf_load_html_response) | 1991-05-16 |