CN105492898B - 气体传感器装置 - Google Patents

气体传感器装置 Download PDF

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Publication number
CN105492898B
CN105492898B CN201480047460.8A CN201480047460A CN105492898B CN 105492898 B CN105492898 B CN 105492898B CN 201480047460 A CN201480047460 A CN 201480047460A CN 105492898 B CN105492898 B CN 105492898B
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CN
China
Prior art keywords
pressure
sensor
gas
signal
concentration
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.)
Expired - Fee Related
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CN201480047460.8A
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English (en)
Chinese (zh)
Other versions
CN105492898A (zh
Inventor
中野洋
松本昌大
浅野哲
田代忍
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Hitachi Astemo Ltd
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Hitachi Automotive Systems Ltd
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Publication of CN105492898A publication Critical patent/CN105492898A/zh
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6842—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow with means for influencing the fluid flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow
    • G01F1/6845—Micromachined devices
    • 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
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • 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
    • G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
    • G01N33/0067—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display by measuring the rate of variation of the concentration

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  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measuring Volume Flow (AREA)
CN201480047460.8A 2013-08-27 2014-02-03 气体传感器装置 Expired - Fee Related CN105492898B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013-175449 2013-08-27
JP2013175449A JP6021761B2 (ja) 2013-08-27 2013-08-27 ガスセンサ装置
PCT/JP2014/052386 WO2015029460A1 (ja) 2013-08-27 2014-02-03 ガスセンサ装置

Publications (2)

Publication Number Publication Date
CN105492898A CN105492898A (zh) 2016-04-13
CN105492898B true CN105492898B (zh) 2018-02-13

Family

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Family Applications (1)

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CN201480047460.8A Expired - Fee Related CN105492898B (zh) 2013-08-27 2014-02-03 气体传感器装置

Country Status (5)

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US (1) US9958305B2 (enExample)
JP (1) JP6021761B2 (enExample)
CN (1) CN105492898B (enExample)
DE (1) DE112014003909T5 (enExample)
WO (1) WO2015029460A1 (enExample)

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CN114485822A (zh) * 2021-12-30 2022-05-13 北京恒合信业技术股份有限公司 一种流量检测装置及流量检测方法
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Also Published As

Publication number Publication date
JP6021761B2 (ja) 2016-11-09
DE112014003909T5 (de) 2016-05-12
US20160202200A1 (en) 2016-07-14
WO2015029460A1 (ja) 2015-03-05
JP2015045515A (ja) 2015-03-12
US9958305B2 (en) 2018-05-01
CN105492898A (zh) 2016-04-13

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