KR20180011418A - 다중 채널 초음파를 이용한 장거리 배관 진단 방법 - Google Patents
다중 채널 초음파를 이용한 장거리 배관 진단 방법 Download PDFInfo
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- KR20180011418A KR20180011418A KR1020160093338A KR20160093338A KR20180011418A KR 20180011418 A KR20180011418 A KR 20180011418A KR 1020160093338 A KR1020160093338 A KR 1020160093338A KR 20160093338 A KR20160093338 A KR 20160093338A KR 20180011418 A KR20180011418 A KR 20180011418A
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- 238000002405 diagnostic procedure Methods 0.000 title claims description 5
- 230000007547 defect Effects 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000007689 inspection Methods 0.000 claims description 24
- 239000000523 sample Substances 0.000 claims description 16
- 230000005284 excitation Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000001902 propagating effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 7
- 238000003745 diagnosis Methods 0.000 description 12
- 238000002604 ultrasonography Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005314 correlation function Methods 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000004445 quantitative analysis Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- 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
- G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
- G01N29/4445—Classification of defects
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- 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
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0609—Display arrangements, e.g. colour displays
- G01N29/0618—Display arrangements, e.g. colour displays synchronised with scanning, e.g. in real-time
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2223/00—Investigating materials by wave or particle radiation
- G01N2223/60—Specific applications or type of materials
- G01N2223/628—Specific applications or type of materials tubes, pipes
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- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
Description
도 2는 본 발명의 실시예에 따른 다중 채널 초음파를 이용한 장거리 배관 진단 방법을 나타낸 흐름도이다.
도 3은 본 발명의 실시예에 따른 다중 채널 초음파를 이용한 장거리 배관 진단 방법에서 채널별 초음파 송신파형을 나타낸 예이다.
도 4는 본 발명의 실시예에 따른 다중 채널 초음파를 이용한 장거리 배관 진단 방법에서 채널별 초음파 수신파형을 나타낸 예이다.
100 : 다중채널 초음파 진단장치
110 : 탐촉자
120 : 펄스발생/신호 수신부
130 : 진단부
Claims (5)
- 복수의 탐촉자를 구비한 다중 채널 초음파 진단장치를 이용한 진단방법에 있어서,
피검사체의 정보를 입력하는 단계;
상기 피검사체의 정보에 따라 검사 주파수, 가진 펄스 수, 및 검사 거리 입력하는 단계;
상기 피검사체의 외주면에 위치시킨 상기 탐촉자들을 통해 피검사체의 반사신호를 채널별로 수집하는 단계; 및
상기 채널별로 수집된 반사신호 분석을 통해 결함 유무, 결함 위치, 결함 거리, 및 결함 크기 중 어느 하나 이상을 진단하는 단계:를 포함하는 것을 특징으로 하는 다중 채널 초음파를 이용한 장거리 배관 진단 방법.
- 청구항 1에 있어서,
상기 피검사체의 정보는 피검사체의 재질, 지름, 및 두께를 포함하는 것을 특징으로 하는 다중 채널 초음파를 이용한 장거리 배관 진단 방법.
- 청구항 1에 있어서,
상기 검사 주파수는 상기 피검사체의 정보에 따라 20 내지 500kHz 사이의 주파수 대역을 선정하는 것을 특징으로 하는 다중 채널 초음파를 이용한 장거리 배관 진단 방법.
- 청구항 1에 있어서,
상기 결함 크기는 상기 피검사체의 길이방향으로 가진된 초음파를 전파하여 결함이 시작하는 영역과 끝나는 영역에서 각각 발생하는 반사신호가 각 채널에 수신되는 시간으로 계산되는 것을 특징으로 하는 다중 채널 초음파를 이용한 장거리 배관 진단 방법.
Priority Applications (1)
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KR1020160093338A KR101826917B1 (ko) | 2016-07-22 | 2016-07-22 | 다중 채널 초음파를 이용한 장거리 배관 진단 방법 |
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KR1020160093338A KR101826917B1 (ko) | 2016-07-22 | 2016-07-22 | 다중 채널 초음파를 이용한 장거리 배관 진단 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20180011418A true KR20180011418A (ko) | 2018-02-01 |
KR101826917B1 KR101826917B1 (ko) | 2018-02-08 |
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KR1020160093338A KR101826917B1 (ko) | 2016-07-22 | 2016-07-22 | 다중 채널 초음파를 이용한 장거리 배관 진단 방법 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102037692B1 (ko) | 2018-05-28 | 2019-11-26 | 한국표준과학연구원 | 위상배열 초음파 탐촉자 및 웨지를 이용한 초음파 검사 방법 |
CN118641630A (zh) * | 2024-07-12 | 2024-09-13 | 湖北工业大学 | 管道缺陷定量检测方法、装置、电子设备及存储介质 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102193739B1 (ko) | 2019-05-03 | 2020-12-21 | 연세대학교 산학협력단 | 배관 고장 예측 장치 및 방법 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004020333A (ja) | 2002-06-14 | 2004-01-22 | Osaka Gas Co Ltd | 超音波探傷装置 |
JP3747921B2 (ja) * | 2003-06-20 | 2006-02-22 | 株式会社日立製作所 | ガイド波を用いた非破壊検査装置及び非破壊検査方法 |
JP2014052218A (ja) * | 2012-09-05 | 2014-03-20 | Toshiba Corp | 配管減肉検査装置及び方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102037692B1 (ko) | 2018-05-28 | 2019-11-26 | 한국표준과학연구원 | 위상배열 초음파 탐촉자 및 웨지를 이용한 초음파 검사 방법 |
CN118641630A (zh) * | 2024-07-12 | 2024-09-13 | 湖北工业大学 | 管道缺陷定量检测方法、装置、电子设备及存储介质 |
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