KR20070044874A - 유량 검출기 - Google Patents
유량 검출기 Download PDFInfo
- Publication number
- KR20070044874A KR20070044874A KR1020050101101A KR20050101101A KR20070044874A KR 20070044874 A KR20070044874 A KR 20070044874A KR 1020050101101 A KR1020050101101 A KR 1020050101101A KR 20050101101 A KR20050101101 A KR 20050101101A KR 20070044874 A KR20070044874 A KR 20070044874A
- Authority
- KR
- South Korea
- Prior art keywords
- flow
- flow rate
- flow path
- vortex
- piezoelectric element
- Prior art date
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Classifications
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- 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
- G01F1/05—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 mechanical effects
- G01F1/20—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 mechanical effects by detection of dynamic effects of the flow
- G01F1/32—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 mechanical effects by detection of dynamic effects of the flow using swirl flowmeters
- G01F1/3209—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 mechanical effects by detection of dynamic effects of the flow using swirl flowmeters using Karman vortices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Volume Flow (AREA)
Abstract
Description
Claims (5)
- 덕트와,상기 덕트 내에 마련되고 다양한 단면적을 갖는 복수개의 측정 유로와,상기 복수개의 유로 내에 각각 설치되는 와류 센서로 구성된 것을 특징으로 하는 유량 검출기.
- 청구항 1에 있어서, 상기 와류 센서는 각각 설치되는 복수개의 유로의 크기에 대응하는 것을 특징으로 하는 유량 검출기.
- 청구항 1에 있어서, 상기 다수개의 유로는 병렬로 배열되고 어느 하나의 유로만을 개방하는 개폐 스위치를 더 포함하는 것을 특징으로 하는 유량 검출기.
- 청구항 1에 있어서, 상기 다수개의 유로는 직렬로 배열된 것을 특징으로 하는 유량 검출기.
- 청구항 4에 있어서, 상기 유로 중 단면적이 작은 유로에는 그에 평행하게 배열된 보조 유로가 배열되고, 상기 보조 유로를 개폐하는 개폐 스위치를 더 포함하는 것을 특징으로 하는 유량 검출기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050101101A KR100732117B1 (ko) | 2005-10-26 | 2005-10-26 | 유량 검출기 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050101101A KR100732117B1 (ko) | 2005-10-26 | 2005-10-26 | 유량 검출기 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070044874A true KR20070044874A (ko) | 2007-05-02 |
KR100732117B1 KR100732117B1 (ko) | 2007-06-25 |
Family
ID=38270887
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050101101A KR100732117B1 (ko) | 2005-10-26 | 2005-10-26 | 유량 검출기 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100732117B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101180573B1 (ko) | 2010-02-25 | 2012-09-06 | 연세대학교 산학협력단 | 압전소자를 이용한 다기능센서 및 이를 이용한 모니터링 시스템 및 이의 설치방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4884441A (en) | 1988-05-11 | 1989-12-05 | Lew Hyok S | Variable capacity flowmeter |
JPH06241854A (ja) * | 1993-02-22 | 1994-09-02 | Mitsubishi Electric Corp | 渦流量計 |
JPH06330883A (ja) * | 1993-05-21 | 1994-11-29 | Mitsubishi Heavy Ind Ltd | ポンプの軸動力低減装置 |
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2005
- 2005-10-26 KR KR1020050101101A patent/KR100732117B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR100732117B1 (ko) | 2007-06-25 |
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