JP6234512B2 - 検出システムおよびそれを利用する検出方法 - Google Patents
検出システムおよびそれを利用する検出方法 Download PDFInfo
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- JP6234512B2 JP6234512B2 JP2016124146A JP2016124146A JP6234512B2 JP 6234512 B2 JP6234512 B2 JP 6234512B2 JP 2016124146 A JP2016124146 A JP 2016124146A JP 2016124146 A JP2016124146 A JP 2016124146A JP 6234512 B2 JP6234512 B2 JP 6234512B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/04—Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
- G01C9/20—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container
- G01C9/22—Measuring inclination, e.g. by clinometers, by levels by using liquids the indication being based on the inclination of the surface of a liquid relative to its container with interconnected containers in fixed relation to each other
-
- 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
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
-
- 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
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35338—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using other arrangements than interferometer arrangements
- G01D5/35341—Sensor working in transmission
- G01D5/35345—Sensor working in transmission using Amplitude variations to detect the measured quantity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
- G01C2009/066—Electric or photoelectric indication or reading means optical
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Bridges Or Land Bridges (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Optical Transform (AREA)
Description
10 被検ユニット
11,12 収容体
111、121 収容空間
113 側壁
13,14 変形アーム
131 固定端
133 自由端
15 浮体
17 水分吸収板
171 カバー
173 コットン層
18 調整台
181 調整部品
183 制限構造
20 光ファイバ測定ユニット
21 光ファイバ
211、212 検出部
23 光学モジュール
25 信号処理モジュール
30 連通チューブ
W 流体
L 水平基準線
G 被検体
A,B 被検面
V 垂直方向
Claims (13)
- 少なくとも一つの被検ユニットと光ファイバ測定ユニットを有する検出システムであって、
前記被検ユニットは、収容体、変形アームと浮体を備え、
前記収容体は流体を収納する収容空間を規定し、前記収容体に流体を収容した際に液面が接する面を側壁と規定した際に、前記変形アームは、前記側壁から前記収容空間まで横方向に延在するとともに、固定端と自由端を有し、前記固定端は前記収容体の側壁に固定され、前記自由端は前記収容空間に延在して前記浮体に接続され、
前記浮体は、その一部が流体の液面下に浸り前記浮体にかかる浮力が前記浮体の重力に等しいときは変形アームが変形前の状態にあり、前記浮体の液体に浸る体積が変化すると、前記浮体が浮力の変化によって移動し、前記変形アームを湾曲変形させ、
前記光ファイバ測定ユニットは、少なくとも一つの検出部を備え、前記検出部は前記変形アームに結合していて、前記固定端と前記自由端の間に延設され、前記変形アームの湾曲変形を検出することを特徴とする検出システム。 - 前記検出部に回折格子が形成され、前記変形アームの湾曲変形によって前記回折格子の格子の間隔が変化することを特徴とする請求項1記載の検出システム。
- 前記検出システムは被検体の表面の傾斜または沈みの状況を検出し、前記光ファイバ測定ユニットは前記変形アームの湾曲変形の程度により、傾斜または沈みの状況に関する物理的パラメータを提供することを特徴とする請求項1記載の検出システム。
- 前記被検ユニットは、前記収容体を載せて前記収容体が被検体に設置されたときに水平度を調整できる調整台を備えることを特徴とする請求項1記載の検出システム。
- 前記調整台は、設置領域を規定し、設置領域に固定するように前記収容体を前記調整台に設置できる制限構造を有することを特徴とする請求項4記載の検出システム。
- 前記収容体には水平基準線が取り付けられ、前記流体の液面が前記水平基準線に合った場合、前記変形アームは水平かつ変形前の状態にあることを特徴とする請求項1記載の検出システム。
- 前記光ファイバ測定ユニットは光ファイバ、光学モジュールと信号処理モジュールを備え、前記光ファイバは前記変形アームに対応した位置に前記検出部を有し、前記光学モジュールは入力信号を前記光ファイバに入力し、前記入力信号の入力後、前記検出部の作動によって出力信号を生成して前記光学モジュールに送り、前記信号処理モジュールで前記出力信号を分析し、物理的パラメータを取得することを特徴とする請求項1記載の検出システム。
- 前記浮体にかかる浮力は前記収容体の傾斜によって変化し、前記変形アームの湾曲変形の程度は前記収容体の傾斜角度に関連性があることを特徴とする請求項1〜7のいずれかに記載の検出システム。
- 前記被検ユニットは、前記収容体を封じて飽和空気の水分を吸収する水分吸収板を備えることを特徴とする請求項8記載の検出システム。
- 前記被検ユニットは複数個であり、前記検出システムは、前記収容体の前記収容空間を連通する連通チューブを備え、複数の前記収容空間にある前記流体は連通管の原理によって同じ高さを維持することを特徴とする請求項1〜7のいずれかに記載の検出システム。
- 複数の前記収容体に垂直方向の相対移動が発生した場合、前記浮体にかかる浮力は変化し、前記変形アームの湾曲変形の程度は前記収容体の相対移動量に関連性があることを特徴とする請求項10記載の検出システム。
- 請求項1〜11のいずれかに記載の検出システムを利用する検出方法であって、
前記収容空間で流体を収納している前記収容体を被検体に設置するステップと、
前記光ファイバ測定ユニットを駆動し、入力信号を前記検出部に送り、前記検出部の作動によって出力信号を生成し、前記被検体の表面に傾斜または沈みが発生した場合、前記浮体にかかる浮力は傾斜または沈みの状況によって変化し、前記出力信号を変化させるステップと、
前記出力信号を分析し、傾斜または沈みの状況に関する物理的パラメータを取得するステップと、
を有することを特徴とする検出方法。 - 前記浮体の重量に等しい浮力を前記流体が提供し、前記変形アームが水平かつ変形前の初期状態にあるように、前記収容体を水平に前記被検体に設置し、前記初期状態に対応した測定値を、傾斜または沈みが発生したかどうかを判別する初期値とすることを特徴とする請求項12記載の検出方法。
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JP (1) | JP6234512B2 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019140055A1 (en) * | 2018-01-11 | 2019-07-18 | Walbro Llc | Radio frequency based liquid level sensor |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI598567B (zh) * | 2016-05-06 | 2017-09-11 | 財團法人國家實驗研究院 | 感測系統及使用其之感測方法 |
TWI634316B (zh) * | 2017-09-13 | 2018-09-01 | 財團法人國家實驗研究院 | 光纖感測方法 |
CN110274663A (zh) * | 2018-03-13 | 2019-09-24 | 中国石油化工股份有限公司 | 一种用于浮顶储罐的浮盘液位计算测量方法、系统及应用 |
CN108519065A (zh) * | 2018-04-18 | 2018-09-11 | 红云红河烟草(集团)有限责任公司 | 一种差动式光纤Bragg光栅倾角传感器及其使用方法 |
CN109827544B (zh) * | 2019-04-11 | 2024-02-02 | 江苏乾程工程技术有限公司 | 一种简支梁桥的桥墩不均匀沉降监测装置及计算检测方法 |
CN111121717B (zh) * | 2019-12-27 | 2021-08-31 | 上海建工集团股份有限公司 | 沉降光纤串、沉降实时监测系统及其使用方法 |
CN113465577A (zh) * | 2020-03-30 | 2021-10-01 | 上海三航奔腾海洋工程有限公司 | 一种预制桩倾斜角度测量装置 |
TWI734506B (zh) * | 2020-06-03 | 2021-07-21 | 賴明俊 | 具補水機構之連通管式沉陷感測裝置 |
CN111756438A (zh) * | 2020-07-14 | 2020-10-09 | 山东舜感光电科技有限公司 | 沉降倾斜光纤实时监测预警系统 |
CN113483734A (zh) * | 2021-06-29 | 2021-10-08 | 中石化宁波工程有限公司 | 一种用于监测路堤沉降的装置及方法 |
CN116045915B (zh) * | 2023-04-03 | 2023-10-10 | 成都零一通途科技有限公司 | 一种边坡监测装置及方法 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2532883A (en) * | 1945-04-30 | 1950-12-05 | Bryant | Condenser means for measuring level conditions |
US2722056A (en) * | 1953-01-16 | 1955-11-01 | Stimler Morton | Tilt indicator |
US2804692A (en) * | 1954-03-08 | 1957-09-03 | Edward S Karstens | Electric micrometer ultra precision level |
US3817625A (en) * | 1971-10-15 | 1974-06-18 | Kdi Bauer Corp | Photo electrical sensor |
US4087920A (en) * | 1977-03-25 | 1978-05-09 | The United States Of America As Represented By The Secretary Of The Interior | Two-fluid tiltmeter |
SU881523A1 (ru) * | 1980-03-04 | 1981-11-15 | Киевский институт автоматики им.ХХУ съезда КПСС | Устройство дл определени наклона основани |
US4848003A (en) * | 1982-04-05 | 1989-07-18 | California Institute Of Technology | Positioning device |
DE3212738A1 (de) * | 1982-04-06 | 1983-10-06 | Ind Automation Waege Prozess | Verfahren zur quasihermetischen, rueckwirkungsarmen abdeckung empfindlicher physikalischer strukturen |
GB2195775B (en) * | 1986-10-01 | 1990-05-16 | Joseph Ramsey | Inclinometer |
JPS6381412U (ja) | 1986-11-12 | 1988-05-28 | ||
US4794704A (en) * | 1987-12-14 | 1989-01-03 | Loreto Calcagni | Height level measuring device |
JPH0281412U (ja) | 1988-12-14 | 1990-06-22 | ||
US5279040A (en) * | 1990-05-18 | 1994-01-18 | Robert Bosch Gmbh | Fluid-based acceleration and tilt sensor |
US5428902A (en) * | 1994-02-24 | 1995-07-04 | Precision Navigation, Inc. | Inclinometer sensing circuitry and operation |
JPH0815118A (ja) * | 1994-07-01 | 1996-01-19 | Hokutou Koki Kogyo Kk | 比重・レベル計および比重・レベルの測定方法 |
US5992032A (en) * | 1997-02-24 | 1999-11-30 | Chung-Shan Institute Of Science & Technology | Method and apparatus for inclination measurement using piezoelectric effect |
JP2002022492A (ja) | 2000-07-06 | 2002-01-23 | Taisei Kiso Sekkei Kk | 歪量の測定方法 |
EP1189039A1 (en) | 2000-09-18 | 2002-03-20 | NTT Advanced Technology Corporation | Fiber-optic liquid level measurement device |
CN2572359Y (zh) * | 2002-09-29 | 2003-09-10 | 潘金火 | 光纤液位仪 |
JP3895279B2 (ja) | 2003-01-06 | 2007-03-22 | 日本電信電話株式会社 | 水盛式沈下/浮上測定の測定点用タンクシステム |
CN201421330Y (zh) * | 2009-06-05 | 2010-03-10 | 郭志华 | 水平测量装置 |
US7937847B1 (en) * | 2010-07-07 | 2011-05-10 | Armen Karapetyan | Precision level device |
TWM464474U (zh) | 2012-06-28 | 2013-11-01 | Nat Applied Res Laboratories | 全光纖式全橋橋樑安全監測整合系統 |
US9183739B2 (en) | 2012-06-28 | 2015-11-10 | National Applied Research Laboratories | Bridge safety monitoring integrated system with full optical fiber and the method for sensing thereof |
EP2948743A4 (en) * | 2013-01-24 | 2016-11-02 | Pricol Ltd | APPARATUS FOR CONTACTLESS LEVEL DETECTION |
CN104749069A (zh) * | 2013-12-27 | 2015-07-01 | 鸿富锦精密电子(天津)有限公司 | 浮动式检测装置及检测方法 |
CN204679063U (zh) * | 2015-05-11 | 2015-09-30 | 河海大学 | 一种利用浮力的双液体面板坝沉降监测装置 |
TWI598567B (zh) * | 2016-05-06 | 2017-09-11 | 財團法人國家實驗研究院 | 感測系統及使用其之感測方法 |
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- 2016-05-06 TW TW105114060A patent/TWI598567B/zh active
- 2016-06-20 US US15/186,881 patent/US9945667B2/en active Active
- 2016-06-21 CN CN201610455682.4A patent/CN107345806B/zh active Active
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Cited By (1)
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WO2019140055A1 (en) * | 2018-01-11 | 2019-07-18 | Walbro Llc | Radio frequency based liquid level sensor |
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US20170322024A1 (en) | 2017-11-09 |
US9945667B2 (en) | 2018-04-17 |
CN107345806B (zh) | 2019-08-09 |
TWI598567B (zh) | 2017-09-11 |
CN107345806A (zh) | 2017-11-14 |
TW201740082A (zh) | 2017-11-16 |
JP2017201283A (ja) | 2017-11-09 |
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