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    • 6. 发明申请
    • NONDESTRUCTIVE INSPECTION APPARATUS AND NONDESTRUCTIVE INSPECTION METHOD USING GUIDED WAVE
    • 非导体检查装置和使用引导波的非结构检查方法
    • US20090031813A1
    • 2009-02-05
    • US12176671
    • 2008-07-21
    • Masahiro MIKIYoshiaki NagashimaMasao EndouKojiro KodairaMitsuru Odakura
    • Masahiro MIKIYoshiaki NagashimaMasao EndouKojiro KodairaMitsuru Odakura
    • G01N29/04
    • G01N29/2462G01N29/07G01N29/4436G01N2291/02827G01N2291/02854G01N2291/2634
    • Disclosed herein are an apparatus and a technique for quickly detecting a defective portion including wastage, which has occurred in piping having a straight piping portion or a bending zone, in the nondestructive inspection using a guided wave.A guided wave sensor 3 included in a guided wave inspection device 4 is mounted to the outer surface of piping 1. A guided wave is propagated to an inspection area of the piping 1. If a defective portion exists, the guided wave sensor 3 receives the guided wave that has been reflected from the defective portion. As a result, the guided wave inspection device 4 can acquire receive information including receive information derived from the defect. On the other hand, receive information acquired when piping, whose kind and shape are the same as those of the piping 1, and which has no defect to be detected, is inspected by the guided wave inspection device under the same conditions as those of the inspection of the piping 1 is stored in an inspection result storage device 12 as reference receive information. An inspection-result diagnostic device 13 compares the receive information acquired when the piping 1 to be inspected has been inspected with the reference receive information, which has been stored in the inspection result storage device 12, so that significant receive information derived from the defect is extracted.
    • 这里公开了一种用于在使用导波的非破坏性检查中快速检测包括在具有直的管道部分或弯曲区域的管道中发生的损耗的缺陷部分的装置和技术。 包括在导波检测装置4中的导波传感器3安装在管道1的外表面。导波传播到管道1的检查区域。如果存在缺陷部分,则导波传感器3接收 已经从缺陷部分反射的导波。 结果,导波检查装置4可以获取包括从缺陷导出的接收信息的接收信息。 另一方面,在与导管1的类型和形状相同的管道1中获得的并且没有被检测到缺陷的管道的接收信息在与波导管的相同的条件下由导波检查装置进行检查 管道1的检查作为参考接收信息存储在检查结果存储装置12中。 检查结果诊断装置13将检查出的被检查管道1所获取的接收信息与已经存储在检查结果存储装置12中的参考接收信息进行比较,使得从缺陷得到的有效的接收信息为 提取。