KR100470083B1 - 복합 광섬유 센서 - Google Patents
복합 광섬유 센서 Download PDFInfo
- Publication number
- KR100470083B1 KR100470083B1 KR10-2001-0078848A KR20010078848A KR100470083B1 KR 100470083 B1 KR100470083 B1 KR 100470083B1 KR 20010078848 A KR20010078848 A KR 20010078848A KR 100470083 B1 KR100470083 B1 KR 100470083B1
- Authority
- KR
- South Korea
- Prior art keywords
- optical fiber
- sensor
- fiber sensor
- vibration
- strain
- Prior art date
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 153
- 238000005259 measurement Methods 0.000 claims abstract description 45
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims 4
- 239000007858 starting material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
- G01H9/006—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors the vibrations causing a variation in the relative position of the end of a fibre and another element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Abstract
Description
Claims (13)
- 삭제
- 삭제
- 삭제
- 센서 시단부, 센서 종단부, 내부 센서를 보호하기 위한 외부충격보호튜브를 구비한 스트레인 측정용 광섬유 센서에 있어서,다수의 심선과,상기 심선에 꼬임 형상으로 결합되어 있으며, 종단이 반사코팅 처리되어 있는 신호전송용 광섬유로 구성되어 있는 것을 특징으로 하는 스트레인 측정용 광섬유 센서.
- 제4항에 있어서,상기 심선은 상기 신호전송용 광섬유와 같은 재질인 것을 특징으로 하는 스트레인 측정용 광섬유 센서.
- 제4항에 있어서,상기 신호전송용 광섬유의 종단은 금속 또는 유전체로 코팅되어 있는 것을 특징으로 하는 스트레인 측정용 광섬유 센서.
- 센서 시단부와,센서 종단부와,내부 센서를 보호하기 위한 외부충격보호튜브와,광송수신부와 연결된 제1 광섬유와,상기 제1 광섬유와 길이 방향으로 일정 간격 떨어져 있으며 그 종단에 반사코팅부가 형성되어 있는 제2 광섬유로 구성되어 있으며,구조물의 진동이 없는 경우 상기 제1 광섬유와 제2 광섬유의 중심축이 일치하고 구조물의 진동에 따라 상기 제1 광섬유와 제2 광섬유의 중심축이 어긋나는 것을 특징으로 하는 진동 측정용 광섬유 센서와,다수의 심선과,상기 심선에 꼬임 형상으로 결합되어 있으며, 종단이 반사코팅 처리되어 있는 신호전송용 광섬유로 구성되어 있는 것을 특징으로 하는 스트레인 측정용 광섬유 센서를 포함하는 것을 특징으로 하는 복합 광섬유 센서.
- 제7항에 있어서,상기 센서 시단부 및 상기 센서 종단부는 광섬유가 통과하는 광섬유 통과 밸브와 광섬유 센서를 고정하기 위한 고정부 박스를 포함하는 것을 특징으로 하는 복합 광섬유 센서.
- 제7항에 있어서,상기 스트레인 측정용 광섬유 센서는 우레탄 튜브로 씌워져 있는 것을 특징으로 하는 복합 광섬유 센서.
- 진동 측정용 광섬유 센서와 스트레인 측정용 광섬유 센서로 구성된 센싱부와,상기 센싱부에 인가할 광을 발생시키는 기능을 수행하는 광원 발생부와,상기 센싱부에서 반사되어 오는 광을 수신하여 구조물의 진동과 변형 정도를측정하는 광원 수신부와,상기 광원 발생부로부터 나온 광을 상기 진동 측정용 광섬유 센서와 상기 스트레인 측정용 광섬유 센서로 분기하는 기능을 수행하는 커플러를 포함하는 것을 특징으로 하는 광섬유를 이용한 센싱 시스템.
- 제10항에 있어서,상기 진동 측정용 광섬유 센서는 제1항 내지 제3항 중 어느 한 항의 진동 측정용 광섬유 센서인 것을 특징으로 하는 광섬유를 이용한 센싱 시스템.
- 제10항에 있어서,상기 스트레인 측정용 광섬유 센서는 제4항 내지 제6항 중 어느 한 항의 스트레인 측정용 광섬유 센서인 것을 특징으로 하는 광섬유를 이용한 센싱 시스템.
- 제10항에 있어서,상기 광섬유를 이용한 센싱 시스템은상기 광원 발생부로부터 나온 광의 일부를 상기 광원 발생부로 보내고, 나머지 광을 상기 센싱부로 보내는 기능을 수행하는 커플러를 더 포함하는 것을 특징으로 하는 광섬유를 이용한 센싱 시스템.
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KR10-2001-0078848A KR100470083B1 (ko) | 2001-12-13 | 2001-12-13 | 복합 광섬유 센서 |
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KR10-2001-0078848A KR100470083B1 (ko) | 2001-12-13 | 2001-12-13 | 복합 광섬유 센서 |
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KR20030048816A KR20030048816A (ko) | 2003-06-25 |
KR100470083B1 true KR100470083B1 (ko) | 2005-02-04 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180118978A (ko) * | 2017-04-24 | 2018-11-01 | (주)파이버피아 | 침수 또는 누수감지를 위한 광센서 및 이를 이용한 센싱 시스템 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08145780A (ja) * | 1994-11-16 | 1996-06-07 | Tohoku Nakatani:Kk | 振動センサ |
JPH09243445A (ja) * | 1996-03-08 | 1997-09-19 | Mitsubishi Heavy Ind Ltd | 音波検出装置 |
JPH11295139A (ja) * | 1998-04-15 | 1999-10-29 | Mitsubishi Heavy Ind Ltd | 振動センサ |
KR20020011149A (ko) * | 2000-08-01 | 2002-02-08 | 김진찬 | 광섬유를 이용한 센싱시스템 |
-
2001
- 2001-12-13 KR KR10-2001-0078848A patent/KR100470083B1/ko active IP Right Grant
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08145780A (ja) * | 1994-11-16 | 1996-06-07 | Tohoku Nakatani:Kk | 振動センサ |
JPH09243445A (ja) * | 1996-03-08 | 1997-09-19 | Mitsubishi Heavy Ind Ltd | 音波検出装置 |
JPH11295139A (ja) * | 1998-04-15 | 1999-10-29 | Mitsubishi Heavy Ind Ltd | 振動センサ |
KR20020011149A (ko) * | 2000-08-01 | 2002-02-08 | 김진찬 | 광섬유를 이용한 센싱시스템 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180118978A (ko) * | 2017-04-24 | 2018-11-01 | (주)파이버피아 | 침수 또는 누수감지를 위한 광센서 및 이를 이용한 센싱 시스템 |
KR102036257B1 (ko) * | 2017-04-24 | 2019-10-24 | (주)파이버피아 | 침수 또는 누수감지를 위한 광센서 |
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Publication number | Publication date |
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KR20030048816A (ko) | 2003-06-25 |
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