KR20010110978A - 열식 유량센서 - Google Patents
열식 유량센서 Download PDFInfo
- Publication number
- KR20010110978A KR20010110978A KR1020010004846A KR20010004846A KR20010110978A KR 20010110978 A KR20010110978 A KR 20010110978A KR 1020010004846 A KR1020010004846 A KR 1020010004846A KR 20010004846 A KR20010004846 A KR 20010004846A KR 20010110978 A KR20010110978 A KR 20010110978A
- Authority
- KR
- South Korea
- Prior art keywords
- diaphragm
- resistor
- flow rate
- heat generating
- temperature
- Prior art date
Links
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
-
- 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
- G01F1/688—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
- G01F1/69—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element of resistive type
- G01F1/692—Thin-film arrangements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (2)
- 실리콘기판과 이 실리콘기판에 설치되고 이면측에 공동부를 형성한 다이어프램과, 상기 다이어프램상에 설치되고, 발열저항체를 갖는 유량검출소자로 상기 발열저항체의 가열전류에 상당하는 전기신호를 출력하는 유량검출소자와, 상기 유량검출소자를 상기 다이어프램의 표면측을 피측정유체에 노출시키는 동시에, 이 다이어프램의 이면측의 상기 공동부에는 피측정유체가 흐르기 힘들게 상기 다이어프램상에 지지하는 지지부재와, 상기 발열저항체의 온도를 피측정유체의 온도로 부터 일정온도 높게 되도록 제어하는 제어부를 구비하고, 상기 발열저항체의 폭을 상기 다이어프램의 폭에 대해 0.4에서 0.6으로 하고, 또 상기 발열저항체의 길이방향 길이를 상기 다이어프램의 길이방향 길이에 대해 0.4에서 0.6으로 하는것을 특징으로 하는 열식 유량센서.
- 제 1 항에 있어서, 상기 다이어프램의 길이방향 길이는 상기 다이어프램 폭의 2배 이상인 것을 특징으로 하는 열식 유량센서.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-172140? | 2000-06-08 | ||
JP2000172140A JP2001349759A (ja) | 2000-06-08 | 2000-06-08 | 熱式流量センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010110978A true KR20010110978A (ko) | 2001-12-15 |
KR100408199B1 KR100408199B1 (ko) | 2003-12-01 |
Family
ID=18674587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0004846A KR100408199B1 (ko) | 2000-06-08 | 2001-02-01 | 열식 유량센서 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6684693B2 (ko) |
JP (1) | JP2001349759A (ko) |
KR (1) | KR100408199B1 (ko) |
DE (1) | DE10063070B4 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114594277A (zh) * | 2022-03-23 | 2022-06-07 | 北京航空航天大学 | 一种基于旋转热膜设备的测试方法及其应用 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1350078B1 (de) * | 2001-01-10 | 2018-02-14 | Sensirion Holding AG | Mikromechanischer flusssensor mit tensiler beschichtung |
KR100791480B1 (ko) * | 2002-06-20 | 2008-01-03 | 기가일렉컴(주) | 열식 삽입형 유량계측 장치 |
JP2004028631A (ja) * | 2002-06-21 | 2004-01-29 | Mitsubishi Electric Corp | 流量センサ |
JP2005300187A (ja) * | 2004-04-06 | 2005-10-27 | Keyence Corp | 分流式流量センサ装置 |
US7069779B2 (en) * | 2004-06-30 | 2006-07-04 | Codman & Shurtleff, Inc. | Thermal flow sensor having an inverted substrate |
JP2006058078A (ja) | 2004-08-18 | 2006-03-02 | Hitachi Ltd | 熱式空気流量計 |
US7205781B2 (en) * | 2005-01-12 | 2007-04-17 | Visteon Global Technologies, Inc. | Mass air flow circuit having pulse width modulation feedback control |
JP4850105B2 (ja) * | 2007-03-23 | 2012-01-11 | 日立オートモティブシステムズ株式会社 | 熱式流量計 |
JP5206429B2 (ja) * | 2009-01-09 | 2013-06-12 | 株式会社デンソー | 流量センサ |
DE112012005626B4 (de) | 2012-01-10 | 2021-08-12 | Hitachi Automotive Systems, Ltd. | Durchflussmessvorrichtung |
WO2015008324A1 (ja) * | 2013-07-16 | 2015-01-22 | 株式会社日立製作所 | 流量センサおよびそれを用いた真空吸着装置およびチップマウンタ |
JP6434238B2 (ja) * | 2014-07-08 | 2018-12-05 | アズビル株式会社 | 流量計および補正値算出方法 |
WO2024105832A1 (ja) * | 2022-11-16 | 2024-05-23 | 日立Astemo株式会社 | 電気回路装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5291781A (en) * | 1991-04-12 | 1994-03-08 | Yamatake-Honeywell Co., Ltd. | Diaphragm-type sensor |
JPH0674805A (ja) | 1992-08-28 | 1994-03-18 | Mitsubishi Electric Corp | 感熱式流量センサ |
DE19509555B4 (de) | 1995-03-16 | 2006-01-19 | Robert Bosch Gmbh | Durchflußsensor |
JP3366818B2 (ja) * | 1997-01-16 | 2003-01-14 | 株式会社日立製作所 | 熱式空気流量計 |
JPH10311750A (ja) | 1997-05-12 | 1998-11-24 | Hitachi Ltd | 熱式空気流量センサ |
JP3364115B2 (ja) * | 1997-07-03 | 2003-01-08 | 三菱電機株式会社 | 感熱式流量検出素子 |
DE19743409A1 (de) * | 1997-10-01 | 1999-04-08 | Bosch Gmbh Robert | Meßvorrichtung zur Messung der Masse eines strömenden Mediums |
JP3658170B2 (ja) * | 1998-01-19 | 2005-06-08 | 三菱電機株式会社 | 流量センサ |
JP3668921B2 (ja) * | 1998-06-03 | 2005-07-06 | 三菱電機株式会社 | 流量検出素子 |
JP3404300B2 (ja) * | 1998-10-28 | 2003-05-06 | 三菱電機株式会社 | 感熱式流量センサ |
-
2000
- 2000-06-08 JP JP2000172140A patent/JP2001349759A/ja active Pending
- 2000-11-29 US US09/725,315 patent/US6684693B2/en not_active Expired - Lifetime
- 2000-12-18 DE DE10063070.7A patent/DE10063070B4/de not_active Expired - Lifetime
-
2001
- 2001-02-01 KR KR10-2001-0004846A patent/KR100408199B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114594277A (zh) * | 2022-03-23 | 2022-06-07 | 北京航空航天大学 | 一种基于旋转热膜设备的测试方法及其应用 |
Also Published As
Publication number | Publication date |
---|---|
DE10063070A1 (de) | 2002-01-10 |
US6684693B2 (en) | 2004-02-03 |
US20020007673A1 (en) | 2002-01-24 |
JP2001349759A (ja) | 2001-12-21 |
DE10063070B4 (de) | 2014-07-03 |
KR100408199B1 (ko) | 2003-12-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5055349B2 (ja) | 熱式ガスセンサ | |
KR100408199B1 (ko) | 열식 유량센서 | |
US5237867A (en) | Thin-film air flow sensor using temperature-biasing resistive element | |
EP2060880B1 (en) | Thermal type flow sensor | |
JP3335860B2 (ja) | 熱式空気流量計用測定素子及び熱式空気流量計 | |
US4884443A (en) | Control and detection circuitry for mass airflow sensors | |
JPH10197309A (ja) | 熱式空気流量計用の測定素子及び熱式空気流量計 | |
JP4608843B2 (ja) | 流量測定装置 | |
JP6718363B2 (ja) | 湿度センサおよびその製造方法 | |
JP4558647B2 (ja) | 熱式流体流量計 | |
JPH06160142A (ja) | 流量センサ | |
KR100849011B1 (ko) | 감열식 유량 센서의 유량 검출 소자 | |
US6725716B1 (en) | Thermo-sensitive flow rate sensor and method of manufacturing the same | |
KR101299909B1 (ko) | 열 질량 유량 측정을 위한, 특히 내연 기관에 공급되는 공기 질량을 측정하기 위한 장치 | |
JP5079723B2 (ja) | 湿度センサ | |
JP3331814B2 (ja) | 感熱式流量検出装置 | |
JPH11258021A (ja) | 熱式空気流量センサ | |
JP4253976B2 (ja) | フローセンサ | |
JP5319744B2 (ja) | 熱式流量センサ | |
JPH09304147A (ja) | 熱式空気流量計用測定素子及びそれを含む熱式空気流量計 | |
JPH04343022A (ja) | 熱式流量センサ | |
JPH11233301A (ja) | 薄膜抵抗発熱素子及びその製造方法 | |
JPH04191619A (ja) | 熱式流量センサ | |
JPH05288614A (ja) | 流体温度測定装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121114 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20131031 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20141103 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20151016 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20161020 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20171018 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20181101 Year of fee payment: 16 |
|
FPAY | Annual fee payment |
Payment date: 20191030 Year of fee payment: 17 |