JPH07501138A - 時間ゲート超音波センサおよび測定方法 - Google Patents
時間ゲート超音波センサおよび測定方法Info
- Publication number
- JPH07501138A JPH07501138A JP5503583A JP50358393A JPH07501138A JP H07501138 A JPH07501138 A JP H07501138A JP 5503583 A JP5503583 A JP 5503583A JP 50358393 A JP50358393 A JP 50358393A JP H07501138 A JPH07501138 A JP H07501138A
- Authority
- JP
- Japan
- Prior art keywords
- waveform
- self
- signal
- test
- main
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/0092—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume for metering by volume
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2961—Acoustic waves for discrete levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/02—Analysing fluids
- G01N29/024—Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/001—Acoustic presence detection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02818—Density, viscosity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US73718091A | 1991-07-29 | 1991-07-29 | |
US737,180 | 1991-07-29 | ||
PCT/US1992/005892 WO1993003340A1 (fr) | 1991-07-29 | 1992-07-16 | Detecteur ultrasonique a selection temporelle et procede d'utilisation dudit detecteur |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH07501138A true JPH07501138A (ja) | 1995-02-02 |
Family
ID=24962893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5503583A Pending JPH07501138A (ja) | 1991-07-29 | 1992-07-16 | 時間ゲート超音波センサおよび測定方法 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0596966A4 (fr) |
JP (1) | JPH07501138A (fr) |
CN (1) | CN1045658C (fr) |
AU (1) | AU2373192A (fr) |
WO (1) | WO1993003340A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001272266A (ja) * | 2000-03-27 | 2001-10-05 | Ricoh Elemex Corp | 超音波レベル計 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5428984A (en) * | 1993-08-30 | 1995-07-04 | Kay-Ray/Sensall, Inc. | Self test apparatus for ultrasonic sensor |
US5452611A (en) * | 1993-12-09 | 1995-09-26 | Kay-Ray/Sensall, Inc. | Ultrasonic level instrument with dual frequency operation |
US5735166A (en) * | 1994-12-12 | 1998-04-07 | Cosense, Inc. | Ultrasonic micro-sensor for level leak alert and interface detector |
FI97829C (fi) * | 1995-06-07 | 1997-02-25 | Acutest Oy | Mittausmenetelmä ja -laitteisto rajapintojen määrittämiseksi |
WO2014146680A1 (fr) * | 2013-03-18 | 2014-09-25 | Aktiebolaget Skf | Capteur de test automatique |
CN104931580A (zh) * | 2015-06-01 | 2015-09-23 | 北京哈特凯尔医疗科技有限公司 | 一种液体媒介中空气检测系统 |
CN105137436B (zh) * | 2015-08-31 | 2019-01-04 | 湖南汇博电子科技股份有限公司 | 消防通道检查系统及其方法 |
CN105157790A (zh) * | 2015-10-26 | 2015-12-16 | 天津商业大学 | 一种电磁流量计辅助检测非满管装置 |
CN107561157B (zh) * | 2016-06-30 | 2023-08-04 | 重庆医科大学 | 水质检测仪及其方法 |
CN106768185A (zh) * | 2016-12-14 | 2017-05-31 | 金陵科技学院 | 基于超声速度及液体介质电阻的油罐界面检测设备及方法 |
EP3486619A1 (fr) * | 2017-11-17 | 2019-05-22 | Hochschule für angewandte Wissenschaften Fachhochschule Coburg | Dispositif et procédé pour détecter des couches de dépôt dans un conduit acheminant un liquide ou un milieu mou et/ou de détection de niveau |
CN112985545A (zh) * | 2019-12-17 | 2021-06-18 | 西安定华电子股份有限公司 | 外测液位开关和外测液位方法 |
JP7035116B2 (ja) * | 2020-06-08 | 2022-03-14 | 株式会社東芝 | 処理システム、処理方法、プログラム、及び記憶媒体 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4131872A (en) * | 1975-12-15 | 1978-12-26 | Matsushita Electric Works, Ltd. | Ultrasonic wave echo-type switch |
GB1578031A (en) * | 1977-03-18 | 1980-10-29 | Ici Ltd | Method and apparatus for testing liquids |
DE2753472A1 (de) * | 1977-11-28 | 1979-05-31 | Mannesmann Ag | Verfahren zur automatischen eigenueberwachung von zerstoerungsfreien pruefanlagen |
US4482889A (en) * | 1980-11-14 | 1984-11-13 | Nippondenso Co., Ltd. | Device for detecting failure of ultrasonic apparatus |
NO150532C (no) * | 1981-05-22 | 1984-10-31 | Bjoern R Hope | Anordning ved nivaamaaler. |
US4459689A (en) * | 1981-12-28 | 1984-07-10 | Polaroid Corporation | Multiple zone object detection system |
US4630245A (en) * | 1983-07-15 | 1986-12-16 | Introtek Corporation | Non-contacting liquid level detection system |
US4787240A (en) * | 1987-08-31 | 1988-11-29 | Westinghouse Electric Corp. | Liquid measurement arrangement |
US4909080A (en) * | 1987-10-31 | 1990-03-20 | Toyoda Gosei Co., Ltd. | Ultrasonic level gauge |
FR2650080B1 (fr) * | 1989-07-20 | 1991-11-08 | Materiel Auxil Signalisat Cont | Detecteur de la presence d'un liquide a guide composite d'ondes elastiques |
-
1991
- 1991-12-30 CN CN91112613A patent/CN1045658C/zh not_active Expired - Fee Related
-
1992
- 1992-07-16 EP EP19920916332 patent/EP0596966A4/en not_active Withdrawn
- 1992-07-16 WO PCT/US1992/005892 patent/WO1993003340A1/fr not_active Application Discontinuation
- 1992-07-16 AU AU23731/92A patent/AU2373192A/en not_active Abandoned
- 1992-07-16 JP JP5503583A patent/JPH07501138A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001272266A (ja) * | 2000-03-27 | 2001-10-05 | Ricoh Elemex Corp | 超音波レベル計 |
Also Published As
Publication number | Publication date |
---|---|
EP0596966A1 (fr) | 1994-05-18 |
AU2373192A (en) | 1993-03-02 |
EP0596966A4 (en) | 1994-09-21 |
WO1993003340A1 (fr) | 1993-02-18 |
CN1069123A (zh) | 1993-02-17 |
CN1045658C (zh) | 1999-10-13 |
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