KR20090025973A - 차압식 유량계 - Google Patents
차압식 유량계 Download PDFInfo
- Publication number
- KR20090025973A KR20090025973A KR1020070091215A KR20070091215A KR20090025973A KR 20090025973 A KR20090025973 A KR 20090025973A KR 1020070091215 A KR1020070091215 A KR 1020070091215A KR 20070091215 A KR20070091215 A KR 20070091215A KR 20090025973 A KR20090025973 A KR 20090025973A
- Authority
- KR
- South Korea
- Prior art keywords
- pressure
- fluid
- main body
- optical fiber
- differential pressure
- 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
- G01F1/34—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 measuring pressure or differential pressure
- G01F1/36—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 measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/38—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 measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
- G01F1/383—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 measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule with electrical or electro-mechanical indication
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
- G01L7/02—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges
- G01L7/026—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges with optical transmitting or indicating means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
Abstract
Description
Claims (4)
- 유체가 흐를 수 있는 내부공간을 가지며, 내부 단면적이 좁아지는 교축부를 갖는 본체와;상기 교축부의 상,하류 측에 고정부에 의해 각각 설치되어 유체의 압력을 검출하는 검출수단과;상기 검출수단에서 검출된 압력을 전기신호로 수신하여 상기 각 지점의 압력차를 이용해 상기 본체를 통과하는 유체의 유량을 계산하고 이를 표시하는 제어수단;을 구비하며,상기 검출수단은 광섬유 압력센서로 된 것을 특징으로 하는 차압식 유량계.
- 제 1항에 있어서,상기 고정부는 상기 광섬유 압력센서가 유체의 압력에 따른 상기 본체의 변형량을 통해 유체의 압력을 측정할 수 있도록 상기 광섬유 압력센서를 상기 본체의 외주면에 밀착 고정시키는 고정밴드로 된 것을 특징으로 하는 차압식 유량계.
- 제 1항에 있어서,상기 본체에는 상기 교축부를 중심으로 상류측과 하류측에 각각 제1, 제2 압력취출구가 형성되어 있고, 상기 제1, 제2 압력취출구로부터 상기 본체의 내부로 연통되는 제1, 제2 압력검출관이 연장되며,상기 고정부는 상기 광섬유 압력센서를 상기 제1, 제2 압력검출관으로 소정깊이 인입되게 고정하며, 상기 제1, 제2 압력취출구가 밀폐되도록 상기 본체에 결합되는 하우징을 포함하고,상기 제어수단은 상기 하우징의 상부에 설치되는 것을 특징으로 하는 차압식 유량계.
- 제 1항에 있어서,상기 본체는 상기 교축부를 중심으로 상류측과 하류측에 각각 유체의 압력에 의해 길이방향을 따라 신축되는 벨로우즈형 신축부가 형성되어 있고,상기 광섬유 압력센서는 상기 신축부의 변형량에 의해 압력을 측정할 수 있도록 상기 신축부에 접촉하도록 설치된 것을 특징으로 하는 차압식 유량계.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070091215A KR100937472B1 (ko) | 2007-09-07 | 2007-09-07 | 차압식 유량계 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070091215A KR100937472B1 (ko) | 2007-09-07 | 2007-09-07 | 차압식 유량계 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090025973A true KR20090025973A (ko) | 2009-03-11 |
KR100937472B1 KR100937472B1 (ko) | 2010-01-19 |
Family
ID=40694204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070091215A KR100937472B1 (ko) | 2007-09-07 | 2007-09-07 | 차압식 유량계 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100937472B1 (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101128301B1 (ko) * | 2009-06-02 | 2012-03-23 | 케이에프이 주식회사 | 스트레이너 상태 표시 장치 |
CN109443459A (zh) * | 2018-12-05 | 2019-03-08 | 福建上润精密仪器有限公司 | 内置高精度传感器的节流装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101514017B1 (ko) * | 2013-11-15 | 2015-04-21 | 주식회사 골드텔 | 광섬유를 이용한 압력센서 및 이를 갖춘 압력감지장치 |
KR20230139048A (ko) | 2022-03-25 | 2023-10-05 | 주식회사 동화엔지니어링 | 펌프 유량, 압력 및 온도 측정 장치 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02159566A (ja) * | 1988-12-13 | 1990-06-19 | Kubota Ltd | 流速計 |
US6698297B2 (en) * | 2002-06-28 | 2004-03-02 | Weatherford/Lamb, Inc. | Venturi augmented flow meter |
US7249525B1 (en) * | 2005-06-22 | 2007-07-31 | Cidra Corporation | Apparatus for measuring parameters of a fluid in a lined pipe |
-
2007
- 2007-09-07 KR KR1020070091215A patent/KR100937472B1/ko active IP Right Grant
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101128301B1 (ko) * | 2009-06-02 | 2012-03-23 | 케이에프이 주식회사 | 스트레이너 상태 표시 장치 |
CN109443459A (zh) * | 2018-12-05 | 2019-03-08 | 福建上润精密仪器有限公司 | 内置高精度传感器的节流装置 |
CN109443459B (zh) * | 2018-12-05 | 2024-01-16 | 福建上润精密仪器有限公司 | 内置高精度传感器的节流装置 |
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Publication number | Publication date |
---|---|
KR100937472B1 (ko) | 2010-01-19 |
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