JP2020060452A - ガスセンサ - Google Patents
ガスセンサ Download PDFInfo
- Publication number
- JP2020060452A JP2020060452A JP2018192038A JP2018192038A JP2020060452A JP 2020060452 A JP2020060452 A JP 2020060452A JP 2018192038 A JP2018192038 A JP 2018192038A JP 2018192038 A JP2018192038 A JP 2018192038A JP 2020060452 A JP2020060452 A JP 2020060452A
- Authority
- JP
- Japan
- Prior art keywords
- gas
- temperature
- gas sensor
- heater
- resistance heating
- 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
- 239000007789 gas Substances 0.000 claims abstract description 171
- 239000001301 oxygen Substances 0.000 claims abstract description 68
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 68
- 239000007784 solid electrolyte Substances 0.000 claims abstract description 48
- 238000001514 detection method Methods 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000010438 heat treatment Methods 0.000 claims description 32
- 230000001681 protective effect Effects 0.000 claims description 32
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 64
- 238000005259 measurement Methods 0.000 abstract description 44
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 99
- 238000009792 diffusion process Methods 0.000 description 36
- 239000000758 substrate Substances 0.000 description 22
- 125000006850 spacer group Chemical group 0.000 description 12
- 239000000919 ceramic Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 239000011800 void material Substances 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 5
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000011195 cermet Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- -1 oxygen ion Chemical class 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012886 linear function Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/4067—Means for heating or controlling the temperature of the solid electrolyte
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4071—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure
- G01N27/4072—Cells and probes with solid electrolytes for investigating or analysing gases using sensor elements of laminated structure characterized by the diffusion barrier
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/406—Cells and probes with solid electrolytes
- G01N27/407—Cells and probes with solid electrolytes for investigating or analysing gases
- G01N27/4073—Composition or fabrication of the solid electrolyte
- G01N27/4074—Composition or fabrication of the solid electrolyte for detection of gases other than oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Oxygen Concentration In Cells (AREA)
Abstract
Description
酸素イオン伝導性の固体電解質層と、
前記固体電解質層に内蔵された抵抗発熱体と、
前記固体電解質層の内部に設けられたガス流通部と、
前記ガス流通部に導入された被測定ガス内の特定ガスを検出する特定ガス検出部と、
前記ガスセンサの始動前に、前記抵抗発熱体の温度が予め設定された目標温度になるように前記抵抗発熱体へ供給する電力を設定し、該設定した電力に基づいて、その電力を前記抵抗発熱体へ供給する昇温制御を実行するか否かを判定する制御部と、
を備えたものである。
Tv値上昇率=100×(最大Tv値−基準値)/基準値(%) …(1)
Claims (5)
- 酸素イオン伝導性の固体電解質層と、
前記固体電解質層に内蔵された抵抗発熱体と、
前記固体電解質層の内部に設けられたガス流通部と、
前記ガス流通部に導入された被測定ガス内の特定ガスを検出する特定ガス検出部と、
前記ガスセンサの始動前に、前記抵抗発熱体の温度が予め設定された目標温度になるように前記抵抗発熱体へ供給する電力を設定し、該設定した電力に基づいて、その電力を前記抵抗発熱体へ供給する昇温制御を実行するか否かを判定する制御部と、
を備えたガスセンサ。 - 前記制御部は、前記設定した電力が前記ガスセンサにクラックが生じる被水量に対応した閾値を超えたか否かを判定し、否定判定だったならば前記昇温制御を実行する、
請求項1に記載のガスセンサ。 - 前記制御部は、前記判定の結果が肯定判定だったならば、前記閾値を超えない範囲で前記抵抗発熱体へ電力を供給する、
請求項2に記載のガスセンサ。 - 前記制御部は、前記閾値を超えない範囲で前記抵抗発熱体へ電力を供給し始めたあと、所定のタイミングで、再び前記抵抗発熱体の温度が前記目標温度になるように前記抵抗発熱体へ供給する電力を設定し、該設定した電力に基づいて、その電力を前記抵抗発熱体へ供給する昇温制御を実行するか否かを判定する、
請求項3に記載のガスセンサ。 - 請求項1〜4のいずれか1項に記載のガスセンサであって、
前記固体電解質層のうち少なくとも前記特定ガス検出部の外部露出電極及び前記ガス流通部の入口を被覆する多孔質保護膜
を備えたガスセンサ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018192038A JP7158987B2 (ja) | 2018-10-10 | 2018-10-10 | ガスセンサ |
US16/595,797 US20200116666A1 (en) | 2018-10-10 | 2019-10-08 | Gas sensor |
DE102019007004.6A DE102019007004A1 (de) | 2018-10-10 | 2019-10-08 | Gassensor |
CN201910952899.XA CN111024796B (zh) | 2018-10-10 | 2019-10-09 | 气体传感器 |
US17/524,878 US11733201B2 (en) | 2018-10-10 | 2021-11-12 | Gas sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018192038A JP7158987B2 (ja) | 2018-10-10 | 2018-10-10 | ガスセンサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020060452A true JP2020060452A (ja) | 2020-04-16 |
JP7158987B2 JP7158987B2 (ja) | 2022-10-24 |
Family
ID=69954432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018192038A Active JP7158987B2 (ja) | 2018-10-10 | 2018-10-10 | ガスセンサ |
Country Status (4)
Country | Link |
---|---|
US (2) | US20200116666A1 (ja) |
JP (1) | JP7158987B2 (ja) |
CN (1) | CN111024796B (ja) |
DE (1) | DE102019007004A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112019006922T5 (de) * | 2019-02-26 | 2021-11-04 | Ngk Insulators, Ltd. | Sensorelement und Gassensor |
CN112362716A (zh) * | 2020-11-05 | 2021-02-12 | 武汉科技大学 | 一种新型氨气传感器芯片及其制备方法 |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09159647A (ja) * | 1995-12-06 | 1997-06-20 | Toyota Motor Corp | 空燃比センサのヒータ制御装置 |
JP2001242127A (ja) * | 2000-02-29 | 2001-09-07 | Toyota Central Res & Dev Lab Inc | ガス濃度検知装置 |
JP2003149201A (ja) * | 2001-11-13 | 2003-05-21 | Denso Corp | 複合ガスセンサ素子 |
JP2005003500A (ja) * | 2003-06-11 | 2005-01-06 | Toyota Motor Corp | ヒータ制御装置 |
JP3646566B2 (ja) * | 1998-06-11 | 2005-05-11 | トヨタ自動車株式会社 | 空燃比センサの抵抗検出装置 |
JP2008209300A (ja) * | 2007-02-27 | 2008-09-11 | Ngk Insulators Ltd | ガスセンサ |
JP2011095199A (ja) * | 2009-11-02 | 2011-05-12 | Denso Corp | ガスセンサの異常診断装置 |
US20150076134A1 (en) * | 2013-09-13 | 2015-03-19 | Ford Global Technologies, Llc | Methods and systems for adjusting heater power of an oxygen sensor to reduce degradation from water |
JP2016109685A (ja) * | 2014-12-04 | 2016-06-20 | 日本碍子株式会社 | ガスセンサ素子及びガスセンサ |
JP2018004332A (ja) * | 2016-06-28 | 2018-01-11 | 株式会社Soken | ガスセンサ制御装置 |
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JP2002071633A (ja) * | 2000-08-24 | 2002-03-12 | Toyota Motor Corp | 空燃比センサのヒータ制御装置 |
JP4014623B2 (ja) * | 2002-02-28 | 2007-11-28 | 日本特殊陶業株式会社 | ガスセンサ |
WO2003096001A1 (fr) * | 2002-05-14 | 2003-11-20 | Honda Giken Kogyo Kabushiki Kaisha | Procedes de demarrage et d'arret de fonctionnement de capteur de gaz enferme dans un appareil de chauffage et methode de fonctionnement |
JP4178885B2 (ja) * | 2002-08-30 | 2008-11-12 | 株式会社デンソー | ガス濃度検出装置 |
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JP5155712B2 (ja) * | 2008-03-28 | 2013-03-06 | 日本碍子株式会社 | ガスセンサ、NOxセンサ、およびガスセンサの作製方法 |
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JP5134065B2 (ja) * | 2009-12-22 | 2013-01-30 | 日本特殊陶業株式会社 | センサ制御装置 |
JP5322965B2 (ja) * | 2010-02-02 | 2013-10-23 | 日本碍子株式会社 | ガスセンサ及びその製造方法 |
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-
2018
- 2018-10-10 JP JP2018192038A patent/JP7158987B2/ja active Active
-
2019
- 2019-10-08 US US16/595,797 patent/US20200116666A1/en not_active Abandoned
- 2019-10-08 DE DE102019007004.6A patent/DE102019007004A1/de active Pending
- 2019-10-09 CN CN201910952899.XA patent/CN111024796B/zh active Active
-
2021
- 2021-11-12 US US17/524,878 patent/US11733201B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09159647A (ja) * | 1995-12-06 | 1997-06-20 | Toyota Motor Corp | 空燃比センサのヒータ制御装置 |
JP3646566B2 (ja) * | 1998-06-11 | 2005-05-11 | トヨタ自動車株式会社 | 空燃比センサの抵抗検出装置 |
JP2001242127A (ja) * | 2000-02-29 | 2001-09-07 | Toyota Central Res & Dev Lab Inc | ガス濃度検知装置 |
JP2003149201A (ja) * | 2001-11-13 | 2003-05-21 | Denso Corp | 複合ガスセンサ素子 |
JP2005003500A (ja) * | 2003-06-11 | 2005-01-06 | Toyota Motor Corp | ヒータ制御装置 |
JP2008209300A (ja) * | 2007-02-27 | 2008-09-11 | Ngk Insulators Ltd | ガスセンサ |
JP2011095199A (ja) * | 2009-11-02 | 2011-05-12 | Denso Corp | ガスセンサの異常診断装置 |
US20150076134A1 (en) * | 2013-09-13 | 2015-03-19 | Ford Global Technologies, Llc | Methods and systems for adjusting heater power of an oxygen sensor to reduce degradation from water |
JP2016109685A (ja) * | 2014-12-04 | 2016-06-20 | 日本碍子株式会社 | ガスセンサ素子及びガスセンサ |
JP2018004332A (ja) * | 2016-06-28 | 2018-01-11 | 株式会社Soken | ガスセンサ制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20200116666A1 (en) | 2020-04-16 |
US11733201B2 (en) | 2023-08-22 |
CN111024796A (zh) | 2020-04-17 |
CN111024796B (zh) | 2024-03-19 |
DE102019007004A1 (de) | 2020-04-16 |
JP7158987B2 (ja) | 2022-10-24 |
US20220074884A1 (en) | 2022-03-10 |
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