JP2020051945A - 非破壊検査システム、中性子照射源及び中性子照射方法 - Google Patents
非破壊検査システム、中性子照射源及び中性子照射方法 Download PDFInfo
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Abstract
Description
まず本発明の第1実施形態について説明する。
次に本発明の第2実施形態について説明する。
次に本発明の第3実施形態について説明する。
次に本発明の第4実施形態について説明する。
2、2’ 車両
3 中性子照射源システム
4、4’ 測量システム
5 解析装置
6 橋
6a 床版(被検査物)
7 トンネル
7a トンネル構造体(被検査物)
8 道路
8a 道路構造体(被検査物)
10 電源部
11 線形加速器
12 磁石部(第1の磁石部)
12a、12b 磁石
13、13’ ターゲット部
14、14’ 中性子検出器
15、15’ 遮蔽部
16、16a、16b 第2の磁石部
16a、16b 磁石
Claims (13)
- 中性子を照射可能な中性子照射源と、
前記中性子照射源から照射され被検査物を介した中性子を検出可能な中性子検出部と、
を備え、
前記中性子照射源は、
加速された荷電粒子を出射可能な線形加速器と、
前記線形加速器から出射された前記荷電粒子の出射方向に対して略垂直方向に偏向可能な、対向する磁石を有する第1の磁石部と、
前記第1の磁石部を通過した荷電粒子が照射され中性子を発生可能なターゲット部と、
を備える非破壊検査システム。 - 前記線形加速器は、前記荷電粒子として照射断面が扁平形状となる陽子ビームを照射可能であり、
前記第1の磁石部は、前記磁石が対向する方向を前記陽子ビームの照射断面短径方向に配置する請求項1に記載の非破壊検査システム。 - 前記第1の磁石部は、前記磁石が電磁石であり、前記電磁石に通電する電流を変化させることで前記磁石の間の磁束密度を変化可能である請求項1又は2に記載の非破壊検査システム。
- 前記第1の磁石部は、前記磁石の対向する距離を変化させることで前記磁石の間の磁束密度を変化可能である請求項1から3のいずれか一項に記載の非破壊検査システム。
- 前記第1の磁石部は、前記荷電粒子の出射方向を軸としたときに、前記磁石が当該軸を中心に回動可能である請求項1から4のいずれか一項に記載の非破壊検査システム。
- 前記中性子照射源は、第2の磁石部を更に備え、
前記第2の磁石部は、前記第1の磁石部を構成する前記2つの磁石の対向する方向と直交するように対向する磁石を有する請求項1から4のいずれか一項に記載の非破壊検査システム。 - 前記第2の磁石部は、前記第2の磁石部の当該対向する磁石の間の磁束密度を変化可能である請求項6に記載の非破壊検査システム。
- 前記中性子照射源は、移動体に搭載され、
前記線形加速器の前記荷電粒子の出射方向と、前記移動体の移動方向は略平行である請求項1から7のいずれか一項に記載の非破壊検査システム。 - 前記中性子検出部は、前記被検査物の内部にて後方散乱した中性子を検出可能である請求項1から8のいずれか一項に記載の非破壊検査システム。
- 前記中性子検出部は、前記被検査物を透過した中性子を検出可能である請求項1から8のいずれか一項に記載の非破壊検査システム。
- 前記中性子検出部により検出した中性子の情報に基づいて前記被検査物の内部解析を行う解析部と、
を更に備える請求項1から10のいずれか一項に記載の非破壊検査システム。 - 加速された荷電粒子を出射可能な線形加速器と、
前記線形加速器から出射された前記荷電粒子の出射方向に対して略垂直方向に偏向可能な、対向する磁石を有する第1の磁石部と、
前記第1の磁石部を通過した荷電粒子が照射され中性子を発生可能なターゲット部と、
からなる中性子照射源。 - 線形加速器が、加速された荷電粒子を出射するステップと、
対向する磁石を有する第1の磁石部が、前記線形加速器から出射された前記荷電粒子の出射方向に対して略垂直方向に偏向するステップと、
ターゲット部が、前記第1の磁石部を通過した荷電粒子が照射されることで中性子を発生するステップと、
を備える中性子照射方法。
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JP2018182813A JP2020051945A (ja) | 2018-09-27 | 2018-09-27 | 非破壊検査システム、中性子照射源及び中性子照射方法 |
PCT/JP2019/037500 WO2020067114A1 (ja) | 2018-09-27 | 2019-09-25 | 非破壊検査システム、中性子照射源及び中性子照射方法 |
US17/279,537 US11747288B2 (en) | 2018-09-27 | 2019-09-25 | Non-destructive inspection system comprising neutron radiation source and neutron radiation method |
JP2023001502A JP7428865B2 (ja) | 2018-09-27 | 2023-01-10 | 非破壊検査システム、中性子照射源及び中性子照射方法 |
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