JP2017125838A - 非破壊試験用の超音波システム - Google Patents
非破壊試験用の超音波システム Download PDFInfo
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N29/043—Analysing solids in the interior, e.g. by shear waves
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- G01N29/04—Analysing solids
- G01N29/041—Analysing solids on the surface of the material, e.g. using Lamb, Rayleigh or shear waves
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- 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
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- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
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- G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
- G01N29/348—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor with frequency characteristics, e.g. single frequency signals, chirp signals
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Abstract
【解決手段】互いに干渉する超音波を放出するように構成された、少なくとも1つの空気結合式超音波トランスデューサアレイ102が含まれる。放出される超音波は、互いに倍数関係にあり、且つロックされた位相で同時に放出された基本周波数成分を含み、超音波間の干渉によって、空中で複数の周波数倍音が生成される。また本システム100は、被試験物体114から放出された超音波を受信するように構成された受信器104、106、108、110を含む。
【選択図】図1
Description
Claims (10)
- 互いに干渉する第1の超音波を放出するように構成された少なくとも1つの空気結合式超音波トランスデューサ(102)であって、
前記第1の超音波は、互いに倍数関係にあり、且つロックされた位相内で同時に放出された、少なくとも2つの基本周波数成分を含み、前記第1の超音波間の前記干渉が空中で複数の周波数倍音を生成する、少なくとも1つの空気結合式超音波トランスデューサ(102)と、
被試験物体から放出された超音波を受信するように構成された少なくとも1つの受信器(104、106、108、110)とを備える、非破壊検査用の超音波システム(100)。 - 前記第1の超音波が干渉場(202)を形成し、前記複数の周波数倍音が前記干渉場内で生成される、請求項1に記載の超音波システム。
- 前記干渉場は、空中に生成された定在波パターンを有する干渉柱(700)を含む、請求項1または2に記載の超音波システム。
- 前記少なくとも2つの基本周波数成分が100kHz未満である、請求項1から3のいずれか一項に記載の超音波システム。
- 前記少なくとも1つの空気結合式超音波トランスデューサが前記物体の第1の面に位置し、
前記少なくとも1つの受信器が、前記物体の前記第1の面に位置する第1の受信器(104)と、前記物体の前記第1の面と反対である前記物体の第2の面に位置する第2の受信器(106)とを備える、
請求項1から4のいずれか一項に記載の超音波システム。 - コントローラ(112)をさらに備える超音波試験システムであって、
前記少なくとも1つの受信器は、受信した超音波を示す信号を前記コントローラに対して提供するようにさらに構成され、
前記コントローラは、前記信号を時間領域、周波数領域、またはその両方において分析するように構成されている、請求項1から5のいずれか一項に記載の超音波システム。 - 少なくとも1つの空気結合式超音波トランスデューサ(102)を使用して、空中の干渉場内に複数の周波数倍音を生成すること(1402)と、
被試験物体から反射され、及び前記被試験物体内で生成された、超音波を受信すること(1404)であって、前記超音波は前記複数の周波数倍音の発生によって前記物体から反射され前記物体内で生成された、受信すること(1404)と、
前記物体の少なくとも1つの特性を決定するため、コンピュータ装置(112)を使用して、前記超音波を示す信号を時間領域、周波数領域、またはこの両方の中において分析すること(1406)と
を含む、非破壊試験用の方法(1400)。 - 空中の前記干渉場内に前記複数の周波数倍音を生成することが、互いに干渉する第1の超音波を放出することを含み、前記第1の超音波が、互いに倍数の関係にあり且つ重畳された、少なくとも2つの基本周波数成分を含む、請求項7に記載の方法。
- 前記干渉場の位置を調整することをさらに含む、請求項7または8に記載の方法。
- 前記少なくとも1つの空気結合式超音波トランスデューサを、前記物体から所定の距離内に位置させることをさらに含む、請求項7から9のいずれか一項に記載の方法。
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US14/941,203 | 2015-11-13 | ||
US14/941,203 US10151731B2 (en) | 2015-11-13 | 2015-11-13 | Ultrasonic system for nondestructive testing |
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JP2017125838A true JP2017125838A (ja) | 2017-07-20 |
JP6827298B2 JP6827298B2 (ja) | 2021-02-10 |
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US (1) | US10151731B2 (ja) |
EP (1) | EP3168612B1 (ja) |
JP (1) | JP6827298B2 (ja) |
CN (1) | CN106706751B (ja) |
BR (1) | BR102016025452B8 (ja) |
CA (1) | CA2941621C (ja) |
RU (1) | RU2658071C1 (ja) |
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CN110261486B (zh) * | 2019-05-22 | 2024-06-11 | 杭州意能电力技术有限公司 | 一种可发射多频信号的超声探头及其制作工艺 |
CN110333287A (zh) * | 2019-06-12 | 2019-10-15 | 西安交通大学 | 一种基于超声波的轴承检测仪 |
CN110346454B (zh) * | 2019-07-24 | 2021-09-10 | 四川幔壳科技有限公司 | 基于排列式超声震源的混凝土浅表层超声面波检测方法 |
CN111783616B (zh) * | 2020-06-28 | 2024-03-26 | 北京瓦特曼科技有限公司 | 一种基于数据驱动自学习的无损检测方法 |
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CN116840291A (zh) * | 2023-07-06 | 2023-10-03 | 中国石油大学(华东) | 共享激励源的超声和红外热成像集成式检测***及方法 |
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Cited By (3)
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KR20200009751A (ko) * | 2018-07-20 | 2020-01-30 | 원광대학교산학협력단 | 배음 진동자를 이용한 초음파 비파괴 검사 장치 |
KR102106940B1 (ko) * | 2018-07-20 | 2020-05-06 | 원광대학교 산학협력단 | 배음 진동자를 이용한 초음파 비파괴 검사 장치 |
WO2020044611A1 (ja) * | 2018-08-29 | 2020-03-05 | 株式会社日立製作所 | 超音波検査装置及び超音波検査方法 |
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CN106706751B (zh) | 2021-07-23 |
JP6827298B2 (ja) | 2021-02-10 |
CN106706751A (zh) | 2017-05-24 |
EP3168612A1 (en) | 2017-05-17 |
CA2941621A1 (en) | 2017-05-13 |
US20170138907A1 (en) | 2017-05-18 |
BR102016025452B8 (pt) | 2021-03-30 |
BR102016025452B1 (pt) | 2021-02-09 |
CA2941621C (en) | 2021-09-21 |
US10151731B2 (en) | 2018-12-11 |
EP3168612B1 (en) | 2018-07-18 |
RU2658071C1 (ru) | 2018-06-19 |
BR102016025452A2 (pt) | 2017-05-23 |
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