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    • 9. 发明申请
    • 3D Ultrasonographic Device
    • 3D超声仪
    • US20070282543A1
    • 2007-12-06
    • US11587482
    • 2005-04-25
    • Kazuo HiyamaTakahiro IkedaMotohisa AbeHirokazu KarasawaMasahiro Katayama
    • Kazuo HiyamaTakahiro IkedaMotohisa AbeHirokazu KarasawaMasahiro Katayama
    • G01N29/04G01N29/44
    • G01N29/11G01N29/06G01N29/0609G01N29/28G01N2291/044G01N2291/106G01N2291/267
    • 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.
    • 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。