KR102605772B1 - 고체 전해질 가스 센서의 온도 결정 방법 - Google Patents
고체 전해질 가스 센서의 온도 결정 방법 Download PDFInfo
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- KR102605772B1 KR102605772B1 KR1020197033117A KR20197033117A KR102605772B1 KR 102605772 B1 KR102605772 B1 KR 102605772B1 KR 1020197033117 A KR1020197033117 A KR 1020197033117A KR 20197033117 A KR20197033117 A KR 20197033117A KR 102605772 B1 KR102605772 B1 KR 102605772B1
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- 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
- G01N27/416—Systems
- G01N27/4163—Systems checking the operation of, or calibrating, the measuring apparatus
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- 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
- G01N27/416—Systems
- G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
- G01N27/4175—Calibrating or checking the analyser
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Abstract
Description
도 2의 A 내지 D는 본 발명에 따른 센서의 회로도.
도 3은 센서 요소의 전극들 사이의 전압의 시간에 따른 프로파일 및 진단 전류의 시간에 따른 프로파일을 도시하는 도면.
도 4는 반복 단계에 따른 상대 내부 저항을 도시하는 도면.
도 5는 본 발명에 따른 통전과 영구적으로 통전된 센서 요소의 안정화 시간(settling time)을 알 때까지 시간에 따른 프로파일의 비교를 도시하는 도면.
도 6은 반복 단계에 따른 상대 차동 커패시턴스를 도시하는 도면.
116: 제 1 전극 118: 제 2 전극
144: 제 1 진단 상태 146: 제 2 진단 상태
Claims (11)
- 측정 가스 챔버 내의 측정 가스의 적어도 하나의 특성을 검출하기 위한 센서(110)의 온도를 결정하는 방법으로서, 상기 센서(110)는 측정 가스의 특성을 검출하기 위한 적어도 하나의 센서 요소(112)를 포함하고, 상기 센서 요소(112)는 적어도 하나의 제 1 전극(116), 적어도 하나의 제 2 전극(118), 및 상기 제 1 전극(116)과 상기 제 2 전극(118)을 연결하는 적어도 하나의 고체 전해질(114)을 포함하며, 상기 센서(110)는 적어도 하나의 전자 제어 유닛을 포함하는, 상기 방법에 있어서:
a) 하나의 작동 상태를 설정하는 단계로서, 가열 전압이 상기 센서 요소(112)에 인가되며, 실질적으로 일정한 전압 상태가 상기 센서 요소(112)에서 설정 및 검출되는, 상기 설정 단계;
b) 적어도 하나의 진단 시퀀스를 수행하는 단계로서, 적어도 하나의 제 1 진단 상태(144)가 상기 센서 요소(112)에 진단 전류를 인가함으로써 설정되고, 상기 진단 전류가 차단되는 적어도 하나의 제 2 진단 상태(146)가 설정되며, 상기 제 1 진단 상태(144)에서 적어도 하나의 제 1 전압 값이 검출되고, 상기 제 2 진단 상태(146)에서 적어도 하나의 제 2 전압 값이 검출되는, 상기 수행 단계; 및
c) 상기 제 1 전압 값 및 상기 제 2 전압 값 그리고 작동 상태의 정전압 상태로부터 온도에 대한 정보를 결정하는 단계로서, 상기 센서 요소(112)의 내부 저항(Rinnen)이 다음 식:
으로부터 결정되고, 상기 식에서, i는 반복 단계이며, U[i]는 i번째 반복 단계의 전압 측정값이고, U[i-1]은 (i-l)번째 반복 단계의 전압 측정값이며, 상기 센서 요소(112)에는 진단 전류(I)가 제공되고, Uoffset은 작동 상태에서 전압 오프셋인, 상기 온도에 대한 정보를 결정하는 단계를 포함하는, 센서의 온도를 결정하는 방법. - 제 1 항에 있어서, 다수의 진단 시퀀스가 수행되는, 센서의 온도를 결정하는 방법.
- 삭제
- 제 1 항 또는 제 2 항에 있어서, 상기 제 1 전압 측정값은 과도 현상 동안 결정되고, 상기 제 2 전압 측정값은 감쇠 거동 동안 결정되는, 센서의 온도를 결정하는 방법.
- 제 1 항 또는 제 2 항에 있어서, 상기 제 1 진단 상태(144)의 지속 시간과 상기 제 2 진단 상태(146)의 지속 시간은 동일한 길이인, 센서의 온도를 결정하는 방법.
- 제 1 항 또는 제 2 항에 따른 방법의 모든 단계를 실행하도록 설계된, 컴퓨터 판독 가능 저장 매체에 저장된 컴퓨터 프로그램.
- 제 7 항에 따른 컴퓨터 프로그램이 저장된 전자 저장 매체.
- 제 8 항에 따른 전자 저장 매체를 포함하는 전자 제어 유닛.
- 측정 가스 챔버 내의 측정 가스의 적어도 하나의 특성을 검출하기 위한 센서(110)로서, 상기 센서(110)는 측정 가스의 특성을 검출하기 위한 적어도 하나의 센서 요소(112)를 포함하고, 상기 센서 요소(112)는 적어도 하나의 제 1 전극(116), 적어도 하나의 제 2 전극(118) 및 상기 제 1 전극(116)과 상기 제 2 전극(118)을 연결하는 적어도 하나의 고체 전해질(114)을 포함하며, 상기 센서(110)는 제 9 항에 따른 전자 제어 유닛을 더 포함하는, 센서(110).
- 제 10 항에 있어서, 상기 센서(110)는 상기 센서 요소(112)에 전류를 제공하도록 설계된 적어도 하나의 전류원을 포함하는, 센서(110).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017207802.2A DE102017207802A1 (de) | 2017-05-09 | 2017-05-09 | Verfahren zum Betreiben eines Sensors zur Erfassung mindestens einer Eigenschaft eines Messgases in einem Messgasraum |
DE102017207802.2 | 2017-05-09 | ||
PCT/EP2018/057459 WO2018206191A1 (de) | 2017-05-09 | 2018-03-23 | Verfahren zur bestimmung der temperatur eines festelektrolyt-gassensors |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20200005553A KR20200005553A (ko) | 2020-01-15 |
KR102605772B1 true KR102605772B1 (ko) | 2023-11-27 |
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KR1020197033117A Active KR102605772B1 (ko) | 2017-05-09 | 2018-03-23 | 고체 전해질 가스 센서의 온도 결정 방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20200150081A1 (ko) |
EP (1) | EP3622281B1 (ko) |
JP (1) | JP6910472B2 (ko) |
KR (1) | KR102605772B1 (ko) |
CN (1) | CN110612444A (ko) |
DE (1) | DE102017207802A1 (ko) |
ES (1) | ES2954445T3 (ko) |
WO (1) | WO2018206191A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019206429A1 (de) | 2019-05-03 | 2020-11-05 | Robert Bosch Gmbh | Verfahren zur Bestimmung eines Innenwiderstandes einer elektrochemischen Zelle eines keramischen Abgassensors |
Citations (5)
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US20100073017A1 (en) | 2008-09-22 | 2010-03-25 | Robert Bosch Gmbh | Method for operating a heatable exhaust gas probe |
JP2013142683A (ja) | 2012-01-13 | 2013-07-22 | Ngk Spark Plug Co Ltd | ガスセンサ処理装置 |
JP2013539043A (ja) | 2010-10-06 | 2013-10-17 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | センサ素子の温度調整を行うための方法 |
DE102014205383A1 (de) | 2014-03-24 | 2015-10-08 | Robert Bosch Gmbh | Verfahren zum Betrieb einer Sensorvorrichtung |
DE102015207880A1 (de) | 2015-04-29 | 2016-11-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Bestimmung eines Innenwiderstandes eines Sensorelements |
Family Cites Families (8)
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JPH10221182A (ja) * | 1997-02-06 | 1998-08-21 | Ngk Spark Plug Co Ltd | 全領域空燃比センサを用いた温度測定方法及び装置 |
DE10029795C2 (de) * | 2000-06-16 | 2002-05-08 | Siemens Ag | Vorrichtung zum Messen des Innenwiderstandes einer linearen Lambdasonde |
JP2004029039A (ja) * | 2003-10-06 | 2004-01-29 | Ngk Spark Plug Co Ltd | 起電力セルの温度制御方法及び装置 |
JP2006250695A (ja) * | 2005-03-10 | 2006-09-21 | Fujitsu Ten Ltd | 酸素濃度センサの制御方法及び制御装置 |
DE102011009780A1 (de) * | 2011-01-28 | 2012-08-02 | Continental Automotive Gmbh | Sensorelement und Verfahren zum Erfassen eines Parameters eines Gasgemischs in einem Gasraum |
EP2647988B1 (de) * | 2012-04-05 | 2015-05-13 | Werner Reiter | Verfahren sowie Vorrichtung zur Messung des Sauerstoffgehaltes oder des Sauerstoffpartialdruckes in einem Messgas |
JP6036720B2 (ja) * | 2014-02-05 | 2016-11-30 | 株式会社デンソー | 空燃比検出装置 |
JP6048442B2 (ja) * | 2014-04-11 | 2016-12-21 | 株式会社デンソー | 酸素濃度センサの素子インピーダンス検出装置 |
-
2017
- 2017-05-09 DE DE102017207802.2A patent/DE102017207802A1/de not_active Withdrawn
-
2018
- 2018-03-23 US US16/609,634 patent/US20200150081A1/en not_active Abandoned
- 2018-03-23 ES ES18716922T patent/ES2954445T3/es active Active
- 2018-03-23 KR KR1020197033117A patent/KR102605772B1/ko active Active
- 2018-03-23 CN CN201880030556.1A patent/CN110612444A/zh active Pending
- 2018-03-23 WO PCT/EP2018/057459 patent/WO2018206191A1/de unknown
- 2018-03-23 JP JP2019561920A patent/JP6910472B2/ja active Active
- 2018-03-23 EP EP18716922.2A patent/EP3622281B1/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100073017A1 (en) | 2008-09-22 | 2010-03-25 | Robert Bosch Gmbh | Method for operating a heatable exhaust gas probe |
JP2013539043A (ja) | 2010-10-06 | 2013-10-17 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | センサ素子の温度調整を行うための方法 |
JP2013142683A (ja) | 2012-01-13 | 2013-07-22 | Ngk Spark Plug Co Ltd | ガスセンサ処理装置 |
DE102014205383A1 (de) | 2014-03-24 | 2015-10-08 | Robert Bosch Gmbh | Verfahren zum Betrieb einer Sensorvorrichtung |
DE102015207880A1 (de) | 2015-04-29 | 2016-11-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Bestimmung eines Innenwiderstandes eines Sensorelements |
Also Published As
Publication number | Publication date |
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KR20200005553A (ko) | 2020-01-15 |
DE102017207802A1 (de) | 2018-11-15 |
US20200150081A1 (en) | 2020-05-14 |
CN110612444A (zh) | 2019-12-24 |
ES2954445T3 (es) | 2023-11-22 |
JP6910472B2 (ja) | 2021-07-28 |
WO2018206191A1 (de) | 2018-11-15 |
JP2020519884A (ja) | 2020-07-02 |
EP3622281B1 (de) | 2023-06-14 |
EP3622281A1 (de) | 2020-03-18 |
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