公开(公告)号：US07421900B2

公开(公告)日：2008-09-09

申请号：US10398874

申请日：2002-11-14

申请人： Hirokazu Karasawa ,  Masayuki Nakamoto ,  Makoto Ochiai ,  Katsuyoshi Fukuda ,  Taiji Hirasawa ,  Takahiro Ikeda

发明人： Hirokazu Karasawa ,  Masayuki Nakamoto ,  Makoto Ochiai ,  Katsuyoshi Fukuda ,  Taiji Hirasawa ,  Takahiro Ikeda

IPC分类号： G01N29/00 ,  G01N29/04

CPC分类号： G01N29/2418 ,  B06B1/0622 ,  G01N29/06 ,  G01N29/2437 ,  G01N29/28 ,  G01N2291/0423 ,  G01N2291/106

摘要： An ultrasonograph, an ultrasonic transducer, an inspection device, and an ultrasonic imaging device enabling easy and quick inspection and high-resolution or high-speed processing are provided. Barium titanate (BaTiO3) or lead zirconate titanate (PZT) is used for a piezoelectric material constituting the ultrasonic transducer, and the thickness thereof is 0.1 μm to 100 μm. Included therein are a drive section capable of driving an arbitrary one of piezoelectric layers, a detecting section detecting electrical signals generated by the plural piezoelectric layers based on echoes from an inspection object, the echoes being originated from an ultrasonic wave generated by the driven piezoelectric layer, and a processing section performing processing for visualizing a state of the inspection object based on the detected electrical signals.

摘要翻译： 提供了一种超声波诊断仪，超声波换能器，检查装置和能够容易且快速地进行检查和高分辨率或高速处理的超声波成像装置。 将钛酸钡（BaTiO 3 3）或锆钛酸铅（PZT）用于构成超声波换能器的压电材料，其厚度为0.1μm至100μm。 其中包括能够驱动任意一个压电层的驱动部分，检测部分，根据来自检查对象的回波检测由多个压电层产生的电信号，回波源自由驱动压电层产生的超声波 以及处理部，其基于检测到的电信号进行用于使检查对象的状态可视化的处理。

公开(公告)号：US20070282543A1

公开(公告)日：2007-12-06

申请号：US11587482

申请日：2005-04-25

申请人： Kazuo Hiyama ,  Takahiro Ikeda ,  Motohisa Abe ,  Hirokazu Karasawa ,  Masahiro Katayama

发明人： Kazuo Hiyama ,  Takahiro Ikeda ,  Motohisa Abe ,  Hirokazu Karasawa ,  Masahiro Katayama

IPC分类号： G01N29/04 ,  G01N29/44

CPC分类号： G01N29/11 ,  G01N29/06 ,  G01N29/0609 ,  G01N29/28 ,  G01N2291/044 ,  G01N2291/106 ,  G01N2291/267

摘要： A three-dimensional ultrasonic inspection apparatus includes: a sensing device for ultrasonic inspection including an ultrasonic sensor as a transducer, in which a plurality of piezoelectric vibrators are disposed in a matrix or an array; a drive element selecting unit for selecting and driving a piezoelectric vibrator for producing an ultrasonic wave among the ultrasonic transducer; a signal detecting circuit for detecting the electric signal of the reflected echo by receiving the reflected echo from the joined area; a signal processing unit for subjecting the electric signal to signal processing and generating three-dimensional imaging data by causing the electric signals to correspond to mesh elements in a three-dimensional imaging region of the object to be inspected; and a display processing device for displaying the detection results and three-dimensional image data from the signal processing unit, while detecting the size and the position of the molten-solidified portion, and the size and the position of the weld defect of the joined area, from the intensity distribution of the three-dimensional imaging data generated by the signal processing unit.

摘要翻译： 一种三维超声波检查装置，包括：超声波检查用感测装置，包括作为换能器的超声波传感器，其中多个压电振动器以矩阵或阵列布置; 驱动元件选择单元，用于选择和驱动超声波换能器中产生超声波的压电振动器; 信号检测电路，用于通过接收来自接合区域的反射回波来检测反射回波的电信号; 信号处理单元，用于通过使电信号对应于待检查对象的三维成像区域中的网格元素，对电信号进行信号处理并生成三维成像数据; 以及显示处理装置，用于在检测熔融凝固部分的尺寸和位置以及接合区域的焊接缺陷的尺寸和位置的同时，从信号处理单元显示检测结果和三维图像数据 从由信号处理单元生成的三维成像数据的强度分布。

公开(公告)号：US08488871B2

公开(公告)日：2013-07-16

申请号：US13002349

申请日：2009-06-29

申请人： Shin Matsumoto ,  Takahiro Ikeda ,  Hirokazu Karasawa

发明人： Shin Matsumoto ,  Takahiro Ikeda ,  Hirokazu Karasawa

IPC分类号： G06K9/00 ,  A61K49/00

CPC分类号： G01N29/069 ,  G01N29/262 ,  G01N2291/106 ,  G01N2291/267

摘要： A three-dimensional ultrasonic inspection apparatus includes: an ultrasonic transducer disposed m×n piezoelectric vibrators in a matrix; a signal processing device to receive, detect an echo, and generate a three-dimensional image data by processing an electric signal of the echo detected; and a display processing device to display a result of processing the three-dimensional image data generated by the signal processing device, wherein the display processing device includes a peak detecting unit to detect a first peak and a second peak of an intensity distribution of the three-dimensional image data in a depth (z) direction, a joint portion image creation unit to create a three-dimensional image of the joined area by mapping z direction distance of the first peak and the second peak to x-y plane, a determination unit to determine whether the joined area is sound or not, and a display unit to display the three-dimensional image and the determination result of the joined area.

摘要翻译： 一种三维超声波检查装置包括：以矩阵形式设置m×n个压电振动器的超声波换能器; 信号处理装置，用于通过处理检测到的回波的电信号来接收，检测回波并产生三维图像数据; 以及显示处理装置，用于显示由信号处理装置生成的三维图像数据的处理结果，其中显示处理装置包括峰值检测单元，用于检测三维图像的强度分布的第一峰值和第二峰值 在深度（z）方向上的三维图像数据，联合部分图像创建单元，通过将第一峰值和第二峰值的z方向距离映射到xy平面来创建连接区域的三维图像，确定单元 确定接合区域是否是声音;以及显示单元，用于显示接合区域的三维图像和确定结果。

公开(公告)号：US08020445B2

公开(公告)日：2011-09-20

申请号：US11570647

申请日：2005-06-13

申请人： Masahiro Katayama ,  Hirokazu Karasawa ,  Motohisa Abe ,  Takahiro Ikeda ,  Yoshino Ito

发明人： Masahiro Katayama ,  Hirokazu Karasawa ,  Motohisa Abe ,  Takahiro Ikeda ,  Yoshino Ito

IPC分类号： G01N29/06

CPC分类号： G01N29/36 ,  G01N29/0609 ,  G01N29/44 ,  G01N29/4463 ,  G01N2291/044

摘要： The object of the present invention is to provide a the three-dimensional ultrasonic imaging apparatus for improving accuracy of internal inspection of an object to be inspected and enabling an automatic determination by means of ultrasonic waves. The three-dimensional ultrasonic imaging apparatus according to the present invention includes: an ultrasonic transducer having a plurality of piezoelectric vibrators; a driving element selecting portion for selecting a piezoelectric vibrator to emit an ultrasonic wave among a plurality of the piezoelectric vibrators; a signal detecting circuit for causing ultrasonic waves emitted by the selected piezoelectric vibrator to enter the object to be inspected, receiving echo reflected from the object to be inspected, and thereby detecting an electric signal corresponding to the reflected echo; a signal processing portion for generating three-dimensional imaging data by subjecting the electric signal corresponding to the detected reflected echo to parallel arithmetic processing; and a display processing device for receiving the three-dimensional imaging data from the signal processing portion, correcting image luminance of the three-dimensional imaging data so as to flatten imaging intensity distribution in the plane direction of the surface of the object to be inspected, and then displaying a corrected result.

摘要翻译： 本发明的目的是提供一种用于提高被检查物体的内部检查的精度的三维超声波成像装置，并且能够通过超声波进行自动确定。 根据本发明的三维超声波成像装置包括：具有多个压电振动器的超声波换能器; 驱动元件选择部，用于选择压电振动器以在多个压电振动器之间发射超声波; 信号检测电路，用于使由选择的压电振动器发射的超声波进入待检测对象，接收从待检测对象反射的回波，从而检测与反射回波相对应的电信号; 信号处理部分，用于通过对与所检测的反射回波相对应的电信号进行并行算术处理来产生三维成像数据; 以及显示处理装置，用于从所述信号处理部分接收所述三维成像数据，校正所述三维成像数据的图像亮度，以使所述待检查物体的所述表面的平面方向上的成像强度分布变平， 然后显示校正结果。

公开(公告)号：US20110102429A1

公开(公告)日：2011-05-05

申请号：US13002349

申请日：2009-06-29

申请人： Shin Matsumoto ,  Takahiro Ikeda ,  Hirokazu Karasawa

发明人： Shin Matsumoto ,  Takahiro Ikeda ,  Hirokazu Karasawa

IPC分类号： G06T15/00 ,  G06K9/00

CPC分类号： G01N29/069 ,  G01N29/262 ,  G01N2291/106 ,  G01N2291/267

摘要： A three-dimensional ultrasonic inspection apparatus includes: an ultrasonic transducer disposed m×n piezoelectric vibrators in a matrix; a signal processing device to receive, detect an echo, and generate a three-dimensional image data by processing an electric signal of the echo detected; and a display processing device to display a result of processing the three-dimensional image data generated by the signal processing device, wherein the display processing device includes a peak detecting unit to detect a first peak and a second peak of an intensity distribution of the three-dimensional image data in a depth (z) direction, a joint portion image creation unit to create a three-dimensional image of the joined area by mapping z direction distance of the first peak and the second peak to x-y plane, a determination unit to determine whether the joined area is sound or not, and a display unit to display the three-dimensional image and the determination result of the joined area.

摘要翻译： 一种三维超声波检查装置包括：以矩阵形式设置m×n个压电振动器的超声波换能器; 信号处理装置，用于通过处理检测到的回波的电信号来接收，检测回波并产生三维图像数据; 以及显示处理装置，用于显示由信号处理装置生成的三维图像数据的处理结果，其中显示处理装置包括峰值检测单元，用于检测三维图像的强度分布的第一峰值和第二峰值 在深度（z）方向上的三维图像数据，联合部分图像创建单元，通过将第一峰值和第二峰值的z方向距离映射到xy平面来创建连接区域的三维图像，确定单元 确定接合区域是否是声音;以及显示单元，用于显示接合区域的三维图像和确定结果。

公开(公告)号：US07496456B2

公开(公告)日：2009-02-24

申请号：US11587482

申请日：2005-04-25

申请人： Kazuo Hiyama ,  Takahiro Ikeda ,  Motohisa Abe ,  Hirokazu Karasawa ,  Masahiro Katayama

发明人： Kazuo Hiyama ,  Takahiro Ikeda ,  Motohisa Abe ,  Hirokazu Karasawa ,  Masahiro Katayama

IPC分类号： G06F3/01

CPC分类号： G01N29/11 ,  G01N29/06 ,  G01N29/0609 ,  G01N29/28 ,  G01N2291/044 ,  G01N2291/106 ,  G01N2291/267

摘要： A three-dimensional ultrasonic inspection apparatus includes: a sensing device for ultrasonic inspection including an ultrasonic sensor as a transducer, in which a plurality of piezoelectric vibrators are disposed in a matrix or an array; a drive element selecting unit for selecting and driving a piezoelectric vibrator for producing an ultrasonic wave among the ultrasonic transducer; a signal detecting circuit for detecting the electric signal of the reflected echo by receiving the reflected echo from the joined area; a signal processing unit for subjecting the electric signal to signal processing and generating three-dimensional imaging data by causing the electric signals to correspond to mesh elements in a three-dimensional imaging region of the object to be inspected; and a display processing device for displaying the detection results and three-dimensional image data from the signal processing unit, while detecting the size and the position of the molten-solidified portion, and the size and the position of the weld defect of the joined area, from the intensity distribution of the three-dimensional imaging data generated by the signal processing unit.

摘要翻译： 一种三维超声波检查装置，包括：超声波检查用感测装置，包括作为换能器的超声波传感器，其中多个压电振动器以矩阵或阵列布置; 驱动元件选择单元，用于选择和驱动超声波换能器中产生超声波的压电振动器; 信号检测电路，用于通过接收来自接合区域的反射回波来检测反射回波的电信号; 信号处理单元，用于通过使电信号对应于待检查对象的三维成像区域中的网格元素，对电信号进行信号处理并生成三维成像数据; 以及显示处理装置，用于在检测熔融凝固部分的尺寸和位置以及接合区域的焊接缺陷的尺寸和位置的同时，从信号处理单元显示检测结果和三维图像数据 从由信号处理单元生成的三维成像数据的强度分布。

公开(公告)号：US20080245150A1

公开(公告)日：2008-10-09

申请号：US11570647

申请日：2005-06-13

申请人： Masahiro Katayama ,  Hirokazu Karasawa ,  Motohisa Abe ,  Takahiro Ikeda ,  Yoshino Ito

发明人： Masahiro Katayama ,  Hirokazu Karasawa ,  Motohisa Abe ,  Takahiro Ikeda ,  Yoshino Ito

IPC分类号： G01N29/04

CPC分类号： G01N29/36 ,  G01N29/0609 ,  G01N29/44 ,  G01N29/4463 ,  G01N2291/044

摘要： The object of the present invention is to provide a the three-dimensional ultrasonic imaging apparatus for improving accuracy of internal inspection of an object to be inspected and enabling an automatic determination by means of ultrasonic waves. The three-dimensional ultrasonic imaging apparatus according to the present invention includes: an ultrasonic transducer having a plurality of piezoelectric vibrators; a driving element selecting portion for selecting a piezoelectric vibrator to emit an ultrasonic wave among a plurality of the piezoelectric vibrators; a signal detecting circuit for causing ultrasonic waves emitted by the selected piezoelectric vibrator to enter the object to be inspected, receiving echo reflected from the object to be inspected, and thereby detecting an electric signal corresponding to the reflected echo; a signal processing portion for generating three-dimensional imaging data by subjecting the electric signal corresponding to the detected reflected echo to parallel arithmetic processing; and a display processing device for receiving the three-dimensional imaging data from the signal processing portion, correcting image luminance of the three-dimensional imaging data so as to flatten imaging intensity distribution in the plane direction of the surface of the object to be inspected, and then displaying a corrected result.

摘要翻译： 本发明的目的是提供一种用于提高被检查物体的内部检查的精度的三维超声波成像装置，并且能够通过超声波进行自动确定。 根据本发明的三维超声波成像装置包括：具有多个压电振动器的超声波换能器; 驱动元件选择部，用于选择压电振动器以在多个压电振动器之间发射超声波; 信号检测电路，用于使由选择的压电振动器发射的超声波进入待检测对象，接收从待检测对象反射的回波，从而检测与反射回波相对应的电信号; 信号处理部分，用于通过对与所检测的反射回波相对应的电信号进行并行算术处理来产生三维成像数据; 以及显示处理装置，用于从所述信号处理部分接收所述三维成像数据，校正所述三维成像数据的图像亮度，以使所述待检查物体的所述表面的平面方向上的成像强度分布变平， 然后显示校正结果。

公开(公告)号：US07380456B2

公开(公告)日：2008-06-03

申请号：US10560436

申请日：2004-06-16

申请人： Hirokazu Karasawa ,  Motohisa Abe ,  Yoshino Ito

发明人： Hirokazu Karasawa ,  Motohisa Abe ,  Yoshino Ito

IPC分类号： G01N29/04 ,  G01N29/24

CPC分类号： G01N29/0609 ,  G01N29/043 ,  G01N29/06 ,  G01N29/069 ,  G01N29/11 ,  G01N29/265 ,  G01N29/4427 ,  G01N2291/0258 ,  G01N2291/044 ,  G01N2291/106

摘要： This three-dimensional ultrasonographic device is a three-dimensional ultrasonographic device having a matrix sensor 9 composed of a plurality of piezoelectric vibrators which are formed independently and arranged in a matrix, and it generates 3D imaging data based on reflected echoes of an ultrasonic wave obtained from the matrix sensor 9 and processes display images into two-dimensional images. Furthermore, this three-dimensional ultrasonographic imaging device connects a plurality of imaging data that are obtained while the matrix sensor 9 is moved, according to the position of the matrix sensor 9, thereby realizing imaging of a defect 14 for quantitative and intuitive judgment and enabling automatic judgment of the inspection. In addition, in imaging, an area other than an inspection area of the inspection object is masked, which realizes improved image quality.

摘要翻译： 该三维超声波诊断装置是具有矩阵传感器9的三维超声波诊断装置，该矩阵传感器9由独立形成矩阵状的多个压电振子构成，并且基于获得的超声波的反射回波生成3D成像数据 并且将显示图像处理成二维图像。 此外，该三维超声波成像装置根据矩阵传感器9的位置，连接在矩阵传感器9移动时获得的多个成像数据，从而实现缺陷14的成像，以进行定量和直观的判断和使能 自动判断检验。 此外，在成像中，掩模了检查对象的检查区域以外的区域，这实现了改善的图像质量。

公开(公告)号：US08413515B2

公开(公告)日：2013-04-09

申请号：US12918904

申请日：2009-02-26

申请人： Hideo Isobe ,  Hirokazu Karasawa

发明人： Hideo Isobe ,  Hirokazu Karasawa

IPC分类号： G01N29/265

CPC分类号： G01N29/262 ,  G01N29/221 ,  G01N29/265 ,  G01N2291/2638

摘要： There is provided an ultrasonic inspection apparatus which detects various deviations with respect to an ideal scanning position and achieves, with high accuracy, an ultrasound flaw inspection by autonomously adjusting the deviations. The ultrasonic inspection apparatus according to the present invention is provided with an integrated type ultrasound transducer including an ultrasonic transducer, an integral type ultrasound transducer control unit, an actuator for distance adjustment, an actuator for tilt control, and a distance measuring sensor. The integrated type ultrasound transducer calculates a deviation between a scanning position based on a preliminarily generated scanning path information and an ideal scanning position, and performs a deviation correction processing by autonomously controlling a distance and a tilt between an opening surface of the ultrasound transducer and an inspection region of an object to be inspected in accordance with this deviation.

摘要翻译： 提供了一种超声波检查装置，其检测相对于理想扫描位置的各种偏差，并且通过自主地调整偏差，以高精度实现超声波探伤。 根据本发明的超声波检查装置设置有包括超声波换能器，整体型超声波换能器控制单元，用于距离调节的致动器，用于倾斜控制的致动器和距离测量传感器的集成型超声波换能器。 集成型超声波传感器计算基于预先生成的扫描路径信息的扫描位置与理想扫描位置之间的偏差，并且通过自主地控制超声波换能器的开口表面和 根据该偏差检查对象的检查区域。

公开(公告)号：US20110000299A1

公开(公告)日：2011-01-06

申请号：US12918904

申请日：2009-02-26

申请人： Hideo Isobe ,  Hirokazu Karasawa

发明人： Hideo Isobe ,  Hirokazu Karasawa

IPC分类号： G01N29/26

CPC分类号： G01N29/262 ,  G01N29/221 ,  G01N29/265 ,  G01N2291/2638

摘要： There is provided an ultrasonic inspection apparatus which detects various deviations with respect to an ideal scanning position and achieves, with high accuracy, an ultrasound flaw inspection by autonomously adjusting the deviations. The ultrasonic inspection apparatus according to the present invention is provided with an integrated type ultrasound transducer including an ultrasonic transducer, an integral type ultrasound transducer control unit, an actuator for distance adjustment, an actuator for tilt control, and a distance measuring sensor. The integrated type ultrasound transducer calculates a deviation between a scanning position based on a preliminarily generated scanning path information and an ideal scanning position, and performs a deviation correction processing by autonomously controlling a distance and a tilt between an opening surface of the ultrasound transducer and an inspection region of an object to be inspected in accordance with this deviation.

摘要翻译： 提供了一种超声波检查装置，其检测相对于理想扫描位置的各种偏差，并且通过自主地调整偏差，以高精度实现超声波探伤。 根据本发明的超声波检查装置设置有包括超声波换能器，整体型超声波换能器控制单元，用于距离调节的致动器，用于倾斜控制的致动器和距离测量传感器的集成型超声波换能器。 集成型超声波传感器计算基于预先生成的扫描路径信息的扫描位置与理想扫描位置之间的偏差，并且通过自主地控制超声波换能器的开口表面和 根据该偏差检查对象的检查区域。