JP2013096708A - 湿度検出装置 - Google Patents
湿度検出装置 Download PDFInfo
- Publication number
- JP2013096708A JP2013096708A JP2011236608A JP2011236608A JP2013096708A JP 2013096708 A JP2013096708 A JP 2013096708A JP 2011236608 A JP2011236608 A JP 2011236608A JP 2011236608 A JP2011236608 A JP 2011236608A JP 2013096708 A JP2013096708 A JP 2013096708A
- Authority
- JP
- Japan
- Prior art keywords
- humidity
- humidity detecting
- circuit board
- electronic circuit
- humidity detection
- 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
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- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims description 44
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000009833 condensation Methods 0.000 description 8
- 230000005494 condensation Effects 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01N27/121—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 for determining moisture content, e.g. humidity, of the fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
- F02M35/10393—Sensors for intake systems for characterising a multi-component mixture, e.g. for the composition such as humidity, density or viscosity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0418—Air humidity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Immunology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
【解決手段】電子回路基板1と、前記電子回路基板の一方の面に実装された湿度検出素子2を有し、前記湿度検出素子の全体と前記電子回路基板の一部を空気に晒して空気中の湿度を検出する湿度検出装置において、前記湿度検出素子が実装されている面と同一面に複数の加熱抵抗体3が実装され、前記加熱抵抗体は、前記湿度検出素子の周囲に設けた。
【選択図】 図1
Description
電子回路基板1上に湿度検出素子2が実装され、更に、電子回路基板1は外部との入出力を行うための入出力端子4を備える。これらを用いた湿度検出は、湿度検出素子2の全体と電子回路基板1の一部を、吸入空気管路を流れる空気に直接触れるように吸入空気管路に装着することで達成する。
2 湿度検出素子
3 加熱抵抗体
4 入出力端子
5 加熱域
6 空気の流れ方向
7 その他電子部品
8 主通路
9 吸気管路構成部材
10 湿度センサ
11 装着穴
12 シール部材
13 コネクタ
14 コネクタ端子
15 ハウジング部材
16 コーティング部材
17 金属ワイヤ
18 副通路
Claims (5)
- 電子回路基板と、前記電子回路基板の一方の面に実装された湿度検出素子とを有し、前記湿度検出素子の全体と前記電子回路基板の一部を空気に晒して空気中の湿度を検出する湿度検出装置において、
前記湿度検出素子が実装されている面と同一面に複数の加熱抵抗体が実装され、
前記加熱抵抗体は、前記湿度検出素子の周囲に設けられていることを特徴とする湿度検出装置。 - 請求項1に記載の湿度検出装置において、
前記複数の加熱抵抗体は、前記湿度検出素子に対して空気の流れの上流及び下流側にそれぞれ少なくとも一つ設けられていることを特徴とする湿度検出装置。 - 請求項2に記載の湿度検出装置において、
前記湿度検出素子と前記加熱抵抗体との距離をL、前記加熱抵抗体の幅をWとすると、
L<4Wの関係となるように前記湿度検出素子および前記加熱抵抗体を配置したことを特徴とする湿度検出装置。 - 請求項1に記載の温度検出装置において、
前記湿度検出素子および前記加熱抵抗体が実装された面とは相反するもう他方の面に、その他の電子部品が実装されていることを特徴とする湿度検出装置。 - 請求項4に記載の湿度検出装置において、
前記その他の電子部品が実装される側の電子回路基板の表面がコーティング部材で覆われていることを特徴とする湿度検出装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011236608A JP5913906B2 (ja) | 2011-10-28 | 2011-10-28 | 湿度検出装置 |
CN201280052759.3A CN103890574A (zh) | 2011-10-28 | 2012-10-03 | 湿度检测装置 |
PCT/JP2012/075595 WO2013061740A1 (ja) | 2011-10-28 | 2012-10-03 | 湿度検出装置 |
US14/353,581 US20140283596A1 (en) | 2011-10-28 | 2012-10-03 | Humidity Detection Device |
DE112012004663.3T DE112012004663T8 (de) | 2011-10-28 | 2012-10-03 | Feuchtigkeitserfassungsvorrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011236608A JP5913906B2 (ja) | 2011-10-28 | 2011-10-28 | 湿度検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013096708A true JP2013096708A (ja) | 2013-05-20 |
JP5913906B2 JP5913906B2 (ja) | 2016-04-27 |
Family
ID=48167575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011236608A Expired - Fee Related JP5913906B2 (ja) | 2011-10-28 | 2011-10-28 | 湿度検出装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140283596A1 (ja) |
JP (1) | JP5913906B2 (ja) |
CN (1) | CN103890574A (ja) |
DE (1) | DE112012004663T8 (ja) |
WO (1) | WO2013061740A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015087644A1 (ja) * | 2013-12-10 | 2015-06-18 | 日立オートモティブシステムズ株式会社 | 湿度計測装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013064367A (ja) * | 2011-09-20 | 2013-04-11 | Hitachi Automotive Systems Ltd | 空気物理量検出装置 |
US20190219529A1 (en) * | 2016-05-23 | 2019-07-18 | Hitachi Automotive Systems, Ltd. | Humidity Measuring Apparatus |
JP6919176B2 (ja) * | 2016-10-28 | 2021-08-18 | 株式会社デンソー | 空気物理量センサ |
WO2018193743A1 (ja) * | 2017-04-21 | 2018-10-25 | 日立オートモティブシステムズ株式会社 | 湿度測定装置 |
TWM569412U (zh) * | 2018-08-07 | 2018-11-01 | 捷騰光電股份有限公司 | 溫濕度感測模組之烘乾裝置 |
DE102021212582A1 (de) | 2021-11-09 | 2023-05-11 | Robert Bosch Gesellschaft mit beschränkter Haftung | Sensoranordnung, Brennstoffzellensystem mit einer Sensoranordnung und Verfahren zum Herstellen einer Sensoranordnung |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6350659B2 (ja) * | 1977-01-31 | 1988-10-11 | Panametrics | |
JPH01301158A (ja) * | 1988-05-30 | 1989-12-05 | Toshiba Corp | ガスセンサ |
JPH02138858A (ja) * | 1988-03-01 | 1990-05-28 | Ricoh Co Ltd | ガス検出装置 |
JPH0560716A (ja) * | 1991-09-04 | 1993-03-12 | Glory Ltd | 湿度センサ |
JP2004093475A (ja) * | 2002-09-03 | 2004-03-25 | Ngk Spark Plug Co Ltd | シリコン製マイクロセンサ |
JP2009168649A (ja) * | 2008-01-17 | 2009-07-30 | Ishizuka Electronics Corp | 傍熱型感温抵抗素子、及び傍熱型感温抵抗素子を用いた絶対湿度センサ |
WO2010113712A1 (ja) * | 2009-03-31 | 2010-10-07 | アルプス電気株式会社 | 容量型湿度センサ及びその製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5175023A (en) * | 1986-04-28 | 1992-12-29 | Nippondenso Co., Ltd. | Method for forming insulating coating material for electronic circuit board |
NO315017B1 (no) * | 2000-06-09 | 2003-06-23 | Idex Asa | Sensorbrikke, s¶rlig for måling av strukturer i en fingeroverflate |
JP4976469B2 (ja) * | 2009-08-28 | 2012-07-18 | 日立オートモティブシステムズ株式会社 | 熱式湿度センサ |
-
2011
- 2011-10-28 JP JP2011236608A patent/JP5913906B2/ja not_active Expired - Fee Related
-
2012
- 2012-10-03 WO PCT/JP2012/075595 patent/WO2013061740A1/ja active Application Filing
- 2012-10-03 CN CN201280052759.3A patent/CN103890574A/zh active Pending
- 2012-10-03 DE DE112012004663.3T patent/DE112012004663T8/de active Active
- 2012-10-03 US US14/353,581 patent/US20140283596A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6350659B2 (ja) * | 1977-01-31 | 1988-10-11 | Panametrics | |
JPH02138858A (ja) * | 1988-03-01 | 1990-05-28 | Ricoh Co Ltd | ガス検出装置 |
JPH01301158A (ja) * | 1988-05-30 | 1989-12-05 | Toshiba Corp | ガスセンサ |
JPH0560716A (ja) * | 1991-09-04 | 1993-03-12 | Glory Ltd | 湿度センサ |
JP2004093475A (ja) * | 2002-09-03 | 2004-03-25 | Ngk Spark Plug Co Ltd | シリコン製マイクロセンサ |
JP2009168649A (ja) * | 2008-01-17 | 2009-07-30 | Ishizuka Electronics Corp | 傍熱型感温抵抗素子、及び傍熱型感温抵抗素子を用いた絶対湿度センサ |
WO2010113712A1 (ja) * | 2009-03-31 | 2010-10-07 | アルプス電気株式会社 | 容量型湿度センサ及びその製造方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015087644A1 (ja) * | 2013-12-10 | 2015-06-18 | 日立オートモティブシステムズ株式会社 | 湿度計測装置 |
CN105829874A (zh) * | 2013-12-10 | 2016-08-03 | 日立汽车系统株式会社 | 湿度测量装置 |
JPWO2015087644A1 (ja) * | 2013-12-10 | 2017-03-16 | 日立オートモティブシステムズ株式会社 | 湿度計測装置 |
US9970396B2 (en) | 2013-12-10 | 2018-05-15 | Hitachi Automotive Systems, Ltd. | Intake air humidity measurement device for an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
DE112012004663T5 (de) | 2014-09-04 |
WO2013061740A1 (ja) | 2013-05-02 |
CN103890574A (zh) | 2014-06-25 |
JP5913906B2 (ja) | 2016-04-27 |
DE112012004663T8 (de) | 2014-11-13 |
US20140283596A1 (en) | 2014-09-25 |
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