JP5556850B2 - 微小流量センサ - Google Patents
微小流量センサ Download PDFInfo
- Publication number
- JP5556850B2 JP5556850B2 JP2012124744A JP2012124744A JP5556850B2 JP 5556850 B2 JP5556850 B2 JP 5556850B2 JP 2012124744 A JP2012124744 A JP 2012124744A JP 2012124744 A JP2012124744 A JP 2012124744A JP 5556850 B2 JP5556850 B2 JP 5556850B2
- Authority
- JP
- Japan
- Prior art keywords
- flow
- flow path
- flow rate
- temperature
- sensor
- 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.)
- Active
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
- 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
-
- 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
-
- 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
- G01F1/6847—Structural arrangements; Mounting of elements, e.g. in relation to fluid flow where sensing or heating elements are not disturbing the fluid flow, e.g. elements mounted outside the flow duct
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/14—Casings, e.g. of special material
Description
微小流路を流れる被測定流体の流量を流路の外側に設けられたヒータと複数の温度センサよりなる検出部で検出される熱の移動に基づいて測定するように構成された微小流量センサにおいて、
前記流路の上流側に絞りを設けるとともに、
それぞれに前記流路を形成する溝が設けられていずれかの基板には前記流路に連通する穴が設けられた2枚の基板が前記溝で前記流路を形成するように接合され、接合された基板の外側に前記流路と重なるように設けられた前記検出部と、前記検出部が設けられた基板に設けられている前記溝の幅Duと他方のガラス基板に設けられている前記溝の幅Ddは、Du≦Ddの関係を満たすように形成されていることを特徴とする。
前記流路を含む微小流量センサは管状体で形成されていることを特徴とする。
前記ヒータの上流側に設けられている温度センサの出力信号を用いて流量の補正演算を行うことを特徴とする。
1)3線熱式(差動式)
2)3線熱式(差/和式)
3)熱式(TOF式)
a)相互相関法
b)スレッシホルド法
がある。
11、12 穴
13、21、52 溝
51 段差部
30 検出部
31 ヒータ
32〜35 温度センサ
40 演算制御部部
70 管状体
80 絞り部
FP 流路
Claims (3)
- 微小流路を流れる被測定流体の流量を流路の外側に設けられたヒータと複数の温度センサよりなる検出部で検出される熱の移動に基づいて測定するように構成された微小流量センサにおいて、
前記流路の上流側に絞りを設けるとともに、
それぞれに前記流路を形成する溝が設けられていずれかの基板には前記流路に連通する穴が設けられた2枚の基板が前記溝で前記流路を形成するように接合され、接合された基板の外側に前記流路と重なるように設けられた前記検出部と、前記検出部が設けられた基板に設けられている前記溝の幅Duと他方のガラス基板に設けられている前記溝の幅Ddは、Du≦Ddの関係を満たすように形成されていることを特徴とする微小流量センサ。 - 前記流路を含む微小流量センサは管状体で形成されていることを特徴とする請求項1記載の微小流量センサ。
- 前記ヒータの上流側に設けられている温度センサの出力信号を用いて流量の補正演算を行うことを特徴とする請求項1または請求項2記載の微小流量センサ。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012124744A JP5556850B2 (ja) | 2012-05-31 | 2012-05-31 | 微小流量センサ |
CN201310204632.5A CN103453959B (zh) | 2012-05-31 | 2013-05-28 | 微小流量传感器 |
KR1020130061749A KR101456469B1 (ko) | 2012-05-31 | 2013-05-30 | 미소 유량 센서 |
US13/906,121 US9581480B2 (en) | 2012-05-31 | 2013-05-30 | Micro flow sensor |
EP13170047.8A EP2669640B1 (en) | 2012-05-31 | 2013-05-31 | Micro flow sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012124744A JP5556850B2 (ja) | 2012-05-31 | 2012-05-31 | 微小流量センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013250137A JP2013250137A (ja) | 2013-12-12 |
JP5556850B2 true JP5556850B2 (ja) | 2014-07-23 |
Family
ID=48537838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012124744A Active JP5556850B2 (ja) | 2012-05-31 | 2012-05-31 | 微小流量センサ |
Country Status (5)
Country | Link |
---|---|
US (1) | US9581480B2 (ja) |
EP (1) | EP2669640B1 (ja) |
JP (1) | JP5556850B2 (ja) |
KR (1) | KR101456469B1 (ja) |
CN (1) | CN103453959B (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103743790B (zh) * | 2014-01-03 | 2016-03-23 | 南京信息工程大学 | 基于mems的微机械传感器 |
CN103743789B (zh) * | 2014-01-03 | 2016-03-23 | 南京信息工程大学 | Mems传感器 |
JP6613609B2 (ja) * | 2015-05-13 | 2019-12-04 | 東京電力ホールディングス株式会社 | 計測システム及び方法 |
DE102016105501A1 (de) * | 2016-03-23 | 2017-09-28 | Bundesrepublik Deutschland, Vertreten Durch Das Bundesministerium Für Wirtschaft Und Energie, Dieses Vertreten Durch Den Präsidenten Der Physikalisch-Technischen Bundesanstalt | Durchflussmessvorrichtung zum Messen eines Durchflussparameters eines Fluids und Verfahren zur Durchflussmessung |
CN109029603B (zh) * | 2017-06-12 | 2020-10-16 | 经登企业股份有限公司 | 传感器 |
KR101956766B1 (ko) | 2017-06-19 | 2019-03-11 | (주)포인트엔지니어링 | 유량센서 |
DE102017119667B4 (de) * | 2017-08-28 | 2023-05-25 | Dionex Softron Gmbh | Messung eines Fluidflusses |
JP6843024B2 (ja) * | 2017-09-15 | 2021-03-17 | アズビル株式会社 | 熱式流量計 |
US10837812B2 (en) * | 2017-11-09 | 2020-11-17 | Honeywell International Inc | Miniature flow sensor with shroud |
JP6844720B2 (ja) * | 2018-02-09 | 2021-03-17 | オムロン株式会社 | 流量測定装置及び埋設型ガスメータ |
JP7022646B2 (ja) * | 2018-05-08 | 2022-02-18 | 愛知時計電機株式会社 | 熱線式流量計 |
US11268839B2 (en) * | 2019-03-05 | 2022-03-08 | Measurement Specialties, Inc. | Resistive flow sensor |
CN113557423B (zh) * | 2019-03-20 | 2024-03-08 | 京瓷株式会社 | 粒子流路板、粒子分离设备以及粒子分离测量装置 |
EP3869162B1 (en) | 2020-02-24 | 2022-07-13 | Seyonic SA | Fluid flow rate measurement device |
JP7022164B2 (ja) * | 2020-02-28 | 2022-02-17 | 京セラ株式会社 | センサパッケージおよびセンサモジュール |
US11262224B2 (en) | 2020-06-19 | 2022-03-01 | Honeywell International Inc. | Flow sensing device |
US20220146292A1 (en) * | 2020-11-06 | 2022-05-12 | Honeywell International Inc. | Flow sensing device |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19906100C2 (de) | 1999-02-13 | 2003-07-31 | Sls Micro Technology Gmbh | Thermischer Durchflußsensor in Mikrosystemtechnik |
JP2001317974A (ja) * | 2000-05-09 | 2001-11-16 | Yazaki Corp | 超音波式流量計 |
US6591674B2 (en) * | 2000-12-21 | 2003-07-15 | Honeywell International Inc. | System for sensing the motion or pressure of a fluid, the system having dimensions less than 1.5 inches, a metal lead frame with a coefficient of thermal expansion that is less than that of the body, or two rtds and a heat source |
JP2005241279A (ja) | 2004-02-24 | 2005-09-08 | Fujikin Inc | 耐食金属製流体用センサ及びこれを用いた流体供給機器 |
US20060000272A1 (en) | 2004-06-30 | 2006-01-05 | Beat Neuenschwander | Thermal flow sensor having an asymmetric design |
JP4528585B2 (ja) * | 2004-09-07 | 2010-08-18 | 株式会社島津製作所 | 二相流安定化チップ |
US7895888B2 (en) * | 2006-03-28 | 2011-03-01 | Shimadzu Corporation | Thermal mass flow meter including heating element and temperature sensors formed on separate chips and secured to the outer periphery of the pipe |
JP4317556B2 (ja) * | 2006-07-21 | 2009-08-19 | 株式会社日立製作所 | 熱式流量センサ |
JP2008082768A (ja) * | 2006-09-26 | 2008-04-10 | Kobe Steel Ltd | 熱式流量センサ |
EP1959242A3 (en) * | 2007-02-19 | 2009-01-07 | Yamatake Corporation | Flowmeter and flow control device |
EP2040045B1 (en) * | 2007-09-20 | 2016-11-30 | Azbil Corporation | Flow sensor |
WO2010102403A1 (en) * | 2009-03-10 | 2010-09-16 | Microbridge Technologies Inc. | Flow sensing device and packaging thereof |
JP2010230388A (ja) | 2009-03-26 | 2010-10-14 | Yamatake Corp | フローセンサ |
JP5425021B2 (ja) * | 2010-09-06 | 2014-02-26 | 日立オートモティブシステムズ株式会社 | 流量測定装置 |
-
2012
- 2012-05-31 JP JP2012124744A patent/JP5556850B2/ja active Active
-
2013
- 2013-05-28 CN CN201310204632.5A patent/CN103453959B/zh active Active
- 2013-05-30 US US13/906,121 patent/US9581480B2/en active Active
- 2013-05-30 KR KR1020130061749A patent/KR101456469B1/ko active IP Right Grant
- 2013-05-31 EP EP13170047.8A patent/EP2669640B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2669640B1 (en) | 2017-05-03 |
US20130319105A1 (en) | 2013-12-05 |
EP2669640A1 (en) | 2013-12-04 |
JP2013250137A (ja) | 2013-12-12 |
KR20130135136A (ko) | 2013-12-10 |
CN103453959B (zh) | 2016-02-24 |
US9581480B2 (en) | 2017-02-28 |
CN103453959A (zh) | 2013-12-18 |
KR101456469B1 (ko) | 2014-10-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5556850B2 (ja) | 微小流量センサ | |
US20090164163A1 (en) | Integrated micromachined thermal mass flow sensor and methods of making the same | |
US8910527B2 (en) | Vortex flowmeter with optimized temperature detection | |
WO2009029236A1 (en) | Configuration and methods for manufacturing time-of-flight mems mass flow sensor | |
JP2006010322A (ja) | 熱式流量計 | |
JP2009115504A (ja) | 熱式流量計 | |
JP2018081025A (ja) | 圧力式流量計 | |
JP5575359B2 (ja) | 熱式流量計 | |
JP5207210B2 (ja) | 熱式流量計 | |
KR101041434B1 (ko) | 질량 유량계 | |
JP4811636B2 (ja) | 熱式流量計 | |
JP2009109285A (ja) | 熱式流量計 | |
JP5756274B2 (ja) | フローセンサ | |
US11143536B2 (en) | Thermal flowmeter and method for determining weighting factor | |
JP2011075398A (ja) | 熱式流量計 | |
JP2009109284A (ja) | 熱式流量計 | |
JP5643693B2 (ja) | フローセンサ | |
JP2012052993A (ja) | 熱式流量計 | |
JP2019082346A (ja) | 熱式流量計 | |
JP6692732B2 (ja) | 流量計 | |
JP3024364B2 (ja) | カルマン渦流量計 | |
KR101543278B1 (ko) | 복합 다점식 열식질량유량계의 제조방법 및 이에 따른 복합 다점식 열식질량유량계 | |
JP2020020736A (ja) | 層流型差圧流量計 | |
JP2020106473A (ja) | 熱式流量計 | |
JP2023165580A (ja) | 熱線式流量計 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20140311 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140403 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140507 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140520 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5556850 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |