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1. 发明专利

JP2013205382A Calibration confirmation method for eddy current flaw detector and eddy current flaw detector 有权
标题翻译： EDDY电流检波器和EDDY电流检波器的校准确认方法
公开(公告)号：JP2013205382A
公开(公告)日：2013-10-07
申请号：JP2012077678
申请日：2012-03-29
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： OUCHI HIROFUMI , NISHIMIZU AKIRA , NONAKA YOSHIO , KOIKE MASAHIRO
IPC分类号： G01N27/90 , G21C17/003
摘要： PROBLEM TO BE SOLVED: To provide a calibration confirmation method for an eddy current flaw detector that is capable of reducing inspection work time, and provide the eddy current flaw detector.SOLUTION: A calibration confirmation method for an eddy current flaw detector including an eddy current flaw probe 1 that has an excitation coil 11, and has detection coils 12a, 12b and 12c which are, to the excitation coil 11,respectively arranged in arraying directions Da, Db and Dc includes the steps of: scanning the eddy current detection probe 1 in one scanning posture and detecting an artificial flaw 13 extending in one direction; checking amplitude and a phase angle in an artificial flaw signal of the detection coils 12a, 12b and 12c, which are obtained as evaluation data at that time, against the amplitude and phase angle in the artificial flaw signal of the detection coils 12a, 12b and 12c, which are preliminarily stored as reference data; determining whether or not a difference between them is a predetermined permissible value or less; and performing calibration confirmation with respect to each reference sensitivity and reference phase of the detection coils 12a, 12b and 12c.
摘要翻译：要解决的问题：提供一种能够减少检查工作时间的涡流探伤仪的校准确认方法，并提供涡流探伤仪。解决方案：一种涡流探伤仪的校准确认方法，包括涡流具有励磁线圈11的具有励磁线圈11的分别配置在排列方向Da，Db，Dc上的检测线圈12a，12b，12c的探伤仪1包括以下步骤：扫描涡电流检测探头1 在一个扫描姿势中检测沿一个方向延伸的人造缺陷13; 检测作为检测线圈12a，12b和12c的人造缺陷信号的振幅和相位角，这些检测线圈12a，12b和12c是与检测线圈12a，12b和12c的人造缺陷信号中的振幅和相位角相对应的， 12c，其被预先存储为参考数据; 确定它们之间的差异是否是预定的允许值或更小; 并且对于检测线圈12a，12b和12c的每个参考灵敏度和参考相位执行校准确认。

2. 发明专利

JP2013088169A Inspection apparatus and method 有权
标题翻译：检查装置和方法
公开(公告)号：JP2013088169A
公开(公告)日：2013-05-13
申请号：JP2011226739
申请日：2011-10-14
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： KONISHI TAKAAKI , NAKANO HIROYUKI , KOIKE MASAHIRO , SHIBAHARA KEISUKE , MORI NORIHIKO
IPC分类号： G01B11/00 , B23K11/24
摘要： PROBLEM TO BE SOLVED: To provide an inspection apparatus and method in which the presence/absence and the position of a spot welding part can be measured accurately.SOLUTION: An inspection apparatus comprises a welding part extraction section, a coordinate calculation section 9, a reference point extraction section 20, a first correction value calculation section 21, a feature amount extraction section 22, a second correction value calculation section 23, and a coordinate correction section 24. The welding part extraction section extracts a spot welding part on a captured image. The coordinate calculation section 9 calculates coordinates of the extracted spot welding part. The reference point extraction section 20 extracts, from the captured image, three or more reference points which are indicated on a measurement subject with light beams. The first correction value calculation section 21 calculates a correction value for correcting an error caused by the inclination of the measurement subject and the deviation of a magnification power with respect to a confronted subject based on the coordinates of the extracted reference points on the captured image. The feature amount extraction section 22 extracts a feature amount of the measurement subject on the captured image. The second correction value calculation section 23 calculates a correction value for correcting an error caused by meandering of the measurement subject and the rotation about an imaging axis from the extracted feature amount. The coordinate correction section 24 corrects the coordinates of the spot welding part in accordance with the correction values calculated by the correction value calculation sections 21, 23.
摘要翻译：要解决的问题：提供可以精确地测量点焊部件的存在/不存在和位置的检查装置和方法。检查装置包括焊接部提取部，坐标计算部9，基准点提取部20，第一修正值计算部21，特征量提取部22，第二修正值计算部23 和坐标校正部24.焊接部提取部在拍摄图像上提取点焊部。坐标计算部9计算提取的点焊部的坐标。参考点提取部分20从捕获的图像中提取在光束上在测量对象上指示的三个或更多个参考点。第一校正值计算部21基于拍摄图像上提取的参考点的坐标，计算用于校正由测量对象的倾斜引起的误差和相对于面对对象的放大倍率的偏差的校正值。特征量提取部分22提取拍摄图像上的测量对象的特征量。第二校正值计算部23从提取的特征量计算校正由测量对象的曲折引起的误差和关于成像轴的旋转的校正值。坐标校正部24根据由校正值计算部21,23计算出的校正值来校正点焊部的坐标。版权所有：（C）2013，JPO＆INPIT

3. 发明专利

JP2012244369A Heat-resistant ultrasonic sensor and installation method therefor 有权
标题翻译：耐热超声波传感器及其安装方法
公开(公告)号：JP2012244369A
公开(公告)日：2012-12-10
申请号：JP2011111967
申请日：2011-05-19
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： BABA JUNJI , TAKESUTE YOSHINORI , KOIKE MASAHIRO
IPC分类号： H04R17/00 , G01N29/04 , G01N29/24
CPC分类号： G01N29/228 , G01N29/245 , G01N2291/0289 , Y10T29/42
摘要： PROBLEM TO BE SOLVED: To provide a heat-resistant ultrasonic sensor capable of precisely detecting a defect of a structural member of a plant during plant operation.SOLUTION: A heat-resistant ultrasonic sensor 1 has a piezoelectric ceramic film 3 of 0.5 mm or smaller in thickness and 200°C or higher in Curie point formed on a flexible metal thin plate 2. A metal thin film 4 as an electrode is fitted onto an upper surface of the piezoelectric ceramic film 3, and metal wire meshes 5 are fitted onto an upper surface of the metal thin film 4 to cover the metal thin film 4. A core wire 9 of a heat-resistant coaxial cable 7 is connected to the metal wire meshes 5 at a connection point 6. The heat-resistant coaxial cable 7 is fixed to the metal thin plate 2 with a metallic fixed member 8 as a ground part. An electric insulation cover 10 is fitted to the metal thin plate 2 to cover the piezoelectric ceramic film 3, metal thin film 4, metal wire meshes 5, connection point 6, fixed member 8, and core wire 9 of the coaxial cable 7.
摘要翻译：要解决的问题：提供一种耐热超声波传感器，其能够在工厂操作期间精确地检测植物的结构构件的缺陷。解决方案：耐热超声波传感器1具有厚度为0.5mm或更小的压电陶瓷膜3，并且在柔性金属薄板2上形成的居里点为200℃或更高。金属薄膜4为电极安装在压电陶瓷膜3的上表面上，并且金属丝网5安装在金属薄膜4的上表面上以覆盖金属薄膜4.耐热同轴电缆芯线9 7在连接点6处连接到金属丝网5.耐热同轴电缆7以金属固定构件8作为接地部分固定到金属薄板2。电绝缘盖10装配到金属薄板2上以覆盖同轴电缆7的压电陶瓷膜3，金属薄膜4，金属丝网5，连接点6，固定部件8和芯线9。 P>版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012078309A Position detection method and position detection device for structure by eddy current probe 有权
标题翻译： EDDY电流探头结构的位置检测方法和位置检测装置
公开(公告)号：JP2012078309A
公开(公告)日：2012-04-19
申请号：JP2010226310
申请日：2010-10-06
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： NARUSHIGE MASASHI , NISHIMIZU AKIRA , MORI NORIHIKO , SHIBAHARA KEISUKE , KOIKE MASAHIRO
IPC分类号： G01B7/00 , G01B7/14 , G01N27/72 , G21C17/003
摘要： PROBLEM TO BE SOLVED: To provide a position detection method capable of solving a conventional problem involved in detecting positions of plural kinds of shape change portions or accessory members on a front side or back side of a structure, where an observation wave form becomes a form in which signals overlap with each other and it becomes difficult to discriminate each signal in position detection.SOLUTION: A position detection method comprises: extracting detection signals of shape change portions and accessory members by a high frequency excitation signal and a low frequency excitation signal; discriminating the detection signals of shape change portions and accessory members by phase separation detection as well as threshold-value discriminating with an amplitude and a width of the signal; and confirming existence of the shape change portions and accessory members as well as determining a center location thereof.
摘要翻译：要解决的问题：提供一种位置检测方法，其能够解决在结构的前侧或后侧检测多种形状变化部分或辅助部件的位置的常规问题，其中观察波形成为信号彼此重叠的形式，并且难以区分位置检测中的每个信号。解决方案：位置检测方法包括：通过高频激励信号和低频激励信号提取形状变化部分和附件的检测信号; 通过相位检测识别形状变化部分和附件的检测信号以及信号幅度和宽度的阈值鉴别; 并确认形状改变部分和附件的存在以及确定其中心位置。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2012032249A Eddy current detection method and eddy current detection system 有权
标题翻译： EDDY电流检测方法和EDDY电流检测系统
公开(公告)号：JP2012032249A
公开(公告)日：2012-02-16
申请号：JP2010171308
申请日：2010-07-30
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： NARUSHIGE MASASHI , NISHIMIZU AKIRA , KOIKE MASAHIRO , ABE YOSHIHARU , TSUSHIMO TOYOHIKO
IPC分类号： G01N27/90
摘要： PROBLEM TO BE SOLVED: To improve reliability in an inspection by enhancing accuracy to estimate a defect size from an observation signal.SOLUTION: A larger amplitude value (S) is acquired between a maximum amplitude value (S) at an optional position in the length direction of a heat exchanger tube and an amplitude value (S>S) to be detected by a channel adjacent to a channel detecting the maximum amplitude value (S). A correction coefficient (A) is determined based on an amplitude ratio (S/S) of the maximum amplitude value (S) and the adjacent amplitude value (S). A correction amplitude value (AS) is compared with a threshold, so as to calculate a defect size. By the present invention, reliability in an inspection is improved by enhancing accuracy to estimate the defect size from an observation signal.
摘要翻译：要解决的问题：通过提高精度来提高检查中的可靠性，从观测信号估计缺陷尺寸。解决方案：在一个最大振幅值（S 1 ）时获得较大幅度值（S 2 ）在热交换器管的长度方向上的可选位置和振幅值（S 2 > S 3 ）与检测最大振幅值的通道相邻的通道（S 1 ）。基于最大振幅值的振幅比（S 2 / S 1 ）来确定校正系数（A） S 1 ）和相邻振幅值（S 2 ）。将校正振幅值（AS 1 ）与阈值进行比较，以计算缺陷尺寸。通过本发明，通过提高从观测信号估计缺陷尺寸的精度来提高检查的可靠性。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011237208A Ultrasonic inspection device and ultrasonic inspection method 审中-公开
标题翻译：超声波检查装置及超声波检查方法
公开(公告)号：JP2011237208A
公开(公告)日：2011-11-24
申请号：JP2010107120
申请日：2010-05-07
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： NAGANUMA JUNICHIRO , MIZOTA HIROHISA , KOIKE MASAHIRO , OTANI KENICHI
IPC分类号： G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic inspection device and an ultrasonic inspection method which use a thin probe installable at a narrow part to inspect a whole range in a through-thickness direction including a deep position near a rear surface of an inspected object.SOLUTION: Probes 108 and 109 are thin and installable at a narrow part. A controller 201 controls a transmission of ultrasonic from the probes and processes a signal of ultrasonic received by the probes. A delay time controller 205 sets a delay time for a transmission timing of ultrasonic transmitted from each of the probes in accordance with distance differences among multiple probes, and a signal processing unit processes a signal of ultrasonic received by each of the probes.
摘要翻译：要解决的问题：提供一种使用可以安装在狭窄部分的薄探头的超声波检查装置和超声波检查方法来检查包括深度位置附近的深度位置的贯穿厚度方向的整个范围检查对象
解决方案：探针108和109是薄的并且可以在较窄的部分安装。控制器201控制来自探针的超声波的传输，并处理由探针接收的超声波信号。延迟时间控制器205根据多个探测器之间的距离差设置从每个探测器发送的超声波的发送定时的延迟时间，并且信号处理单元处理由每个探测器接收的超声波信号。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2013083627A Ultrasonic sensor and inspection method and inspection device using the same 有权
标题翻译：超声波传感器及检测方法及检测装置
公开(公告)号：JP2013083627A
公开(公告)日：2013-05-09
申请号：JP2012165975
申请日：2012-07-26
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： MIZOTA HIROHISA , KONO NAOYUKI , KOIKE MASAHIRO , KOMURO HIDETAKA , ISAKA KATSUMI
IPC分类号： G01N29/24 , G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide an ultrasonic sensor, which is used for a parallel arrangement type two-probe system, capable of detecting a defect with high sensitivity while maintaining a resolution and oscillation intensity and an inspection method and an inspection device using the ultrasonic sensor.SOLUTION: An ultrasonic sensor includes: a plurality of elements 10A and 10B individually used for transmission/reception; and shoes 20 and 40 holding the plurality of elements 10A and 10B for transmitting an ultrasonic-wave in an oblique angle direction. As shapes of the elements 10A and 10B, ranges A of the elements 10A and 10B positioned in the vicinity of central portions of the shoes 20 and 40 which do not change an opening of the ultrasonic sensor are trimmed. Further, as shapes of the shoes 20 and 40, the number of surfaces of the shoes 20 and 40 holding the elements 10A and 10B is two or more, and inclinations of the surfaces of the shoes 20 and 40 are reflectionally symmetrical with one another. Furthermore, as an arrangement of the elements 10A and 10B on the surfaces of the shoes 20 and 40, the elements 10A and 10B are symmetrically arranged non-parallel to each other with respect to a mirror reflection surface.
摘要翻译：要解决的问题：提供一种用于平行布置型双探针系统的超声波传感器，其能够在保持分辨率和振荡强度的同时检测高灵敏度的缺陷，以及检查方法和检查装置使用超声波传感器。解决方案：超声波传感器包括：单独用于发送/接收的多个元件10A和10B; 以及保持用于在倾斜角方向上发送超声波的多个元件10A和10B的鞋20和40。作为元件10A和10B的形状，在不改变超声波传感器的开口的鞋20和40的中心部分附近的元件10A和10B的范围A被修整。此外，作为鞋20和40的形状，保持元件10A和10B的鞋20和40的表面的数量是两个或更多个，并且鞋20和40的表面的倾斜度彼此反射对称。此外，作为元件10A和10B在鞋20和40的表面上的布置，元件10A和10B相对于镜面反射表面对称地布置成彼此不平行。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012103136A Method and apparatus for inspecting spot welding 有权
标题翻译：检测点焊的方法和装置
公开(公告)号：JP2012103136A
公开(公告)日：2012-05-31
申请号：JP2010252398
申请日：2010-11-11
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： KONISHI TAKAAKI , NAKANO HIROYUKI , KOIKE MASAHIRO , SHIBAHARA KEISUKE , MORI NORIHIKO
IPC分类号： G01N21/84 , B23K11/24 , B23K31/00 , G01B11/00
摘要： PROBLEM TO BE SOLVED: To provide a method and apparatus for inspecting spot welding capable of inspecting presence/absence of spot welding in a wide-range region and capable of inspecting a spot welding position.SOLUTION: An apparatus for inspecting spot welding includes: a first floodlight for applying oblique light to a weld base metal that has been spot-welded; an image pickup machine acquiring an image of the weld base metal from the upper part; a scanner mounted with the first floodlight and the image pickup machine and capable of adjusting the position with respect to the weld base metal; and a processor for processing image information from the image pickup machine. The processor includes: first means that acquires, from a first image with a third hierarchical level luminance acquired from the image pickup machine, a second image comprising an intermediate luminance level and a second hierarchical level luminance other than the intermediate luminance level and defines a part with the luminance other than the intermediate luminance level as an edge part of the spot welding; and second means for determining a central position of the spot welding based on the edge part.
摘要翻译：要解决的问题：提供一种用于检查点焊的方法和装置，其能够检查在大范围区域中是否存在点焊并且能够检查点焊位置。一种用于检查点焊的设备包括：第一泛光灯，用于将斜光施加到已被点焊的焊接母材上; 图像拾取器，从上部获取焊接母材的图像; 安装有第一泛光灯和图像拾取器并且能够调整相对于焊接母材的位置的扫描仪; 以及用于处理来自图像拾取机的图像信息的处理器。所述处理器包括：第一装置，从具有从所述图像拾取装置获取的第三层次亮度的第一图像获取第二图像，所述第二图像包括中间亮度级别和除了所述中间亮度级别之外的第二层级亮度，并且定义一部分作为点焊的边缘部分的中间亮度级以外的亮度; 以及用于基于边缘部分确定点焊的中心位置的第二装置。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012027037A Ultrasonic flaw detector and ultrasonic flaw detection method 有权
标题翻译：超声波检测器和超声波检测方法
公开(公告)号：JP2012027037A
公开(公告)日：2012-02-09
申请号：JP2011232445
申请日：2011-10-24
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： FUJIMA MASAHIRO , KONO NAOYUKI , KOIKE MASAHIRO , ADACHI KOICHI , SHIMURA TAKAO , SENOO MAKOTO , MATSUI TETSUYA
IPC分类号： G01N29/04 , G01N29/24 , B06B1/06 , G01N29/26 , G01N29/44
CPC分类号： B06B1/06 , G01N2291/0289 , G01N2291/044
摘要： PROBLEM TO BE SOLVED: To maintain detection sensitivity of a ultrasonic flaw detector which detects diffraction waves in a test object to perform flaw detection stable and strong.SOLUTION: The ultrasonic flaw detector has: a transmission/reception array sensor which has both of a transmission vibrator sequence in which a plurality of vibration elements for transmission for transmitting ultrasonic waves are arranged, and a reception vibrator sequence in which a plurality of vibration elements for reception for receiving the ultrasonic waves are arranged, and in which the center of the transmission vibrator sequence and the reception vibrator sequence is installed on an opening of the defect surface of the test object; a controller which converges the respective ultrasonic waves transmitted from the respective vibration elements for transmission to a convergence position where a half of the sum of a ultrasonic transmission angle and a ultrasonic reception angle becomes within 30 degrees; a generation means for generating flaw detection information based on the ultrasonic waves come by being diffracted in the test object received by the vibration elements for reception; and a display means for displaying the flaw detection information generated by the generation means.
摘要翻译：要解决的问题：为了保持检测测试对象中的衍射波的超声波探伤仪的检测灵敏度，以维持稳定和强烈的探伤。解决方案：超声波探伤器具有：发送/接收阵列传感器，其具有传输振动器序列，其中布置有用于传输超声波的多个用于传输的振动元件;以及接收振动器序列，其中多个布置用于接收超声波的用于接收的振动元件，并且其中传输振动器序列的中心和接收振动器序列安装在被测试物体的缺陷表面的开口上; 将从各个振动元件发送的各个超声波收发到会聚超声波发送角度和超声波接收角度之和的一半的会聚位置的控制器成为30度以内; 用于产生基于所述超声波的探伤信息的发生装置，所述检测信息是在被所述振动元件接收的所述测试对象中被衍射的; 以及显示装置，用于显示由生成装置生成的缺陷检测信息。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011257180A Clearance measuring device, clearance measuring method, and nondestructive inspecting method 审中-公开
标题翻译：间隙测量装置，间隙测量方法和非结构检查方法
公开(公告)号：JP2011257180A
公开(公告)日：2011-12-22
申请号：JP2010129938
申请日：2010-06-07
申请人： Hitachi-Ge Nuclear Energy Ltd , 日立Geニュークリア・エナジー株式会社
发明人： MIZOTA HIROHISA , NARUSHIGE MASASHI , KONO NAOYUKI , KOIKE MASAHIRO , NAGANUMA JUNICHIRO
IPC分类号： G01B17/00 , G01N29/04
摘要： PROBLEM TO BE SOLVED: To provide a clearance measuring device and a clearance measuring method capable of precisely measuring extents of a narrow part of the whole double-tube structure from an external surface of an external tube before inspection, and a nondestructive inspecting method.SOLUTION: A control operation device 10 transmits an ultrasonic wave from an ultrasonic sensor S and inputs a reflected wave received by the ultrasonic sensor. The control operation device 10 transmits the ultrasonic wave toward the center of a double tube by the ultrasonic sensor installed on the external surface of the external tube of the double-tube structure, and calculates the extents of the clearance of the narrow part based upon a reception time up to displaying of a multipath-reflected wave from a first reflected wave reflected by an internal surface of the external tube and a first reflected wave transmitted through the internal surface of the external tube and reflected by an external surface of an internal tube. A moving means 12 moves the ultrasonic sensor S in a peripheral direction of the external tube. The control operation device 10 finds an amount of eccentricity of the double-tube structure based upon extents of the clearance of the narrow part which are measured at two or more different points in the peripheral direction.
摘要翻译：要解决的问题：提供一种能够在检查前从外管的外表面精确地测量整个双管结构的狭窄部分的间隙测量装置和间隙测量方法，以及非破坏性检查方法。解决方案：控制操作装置10从超声波传感器S发送超声波，并输入由超声波传感器接收的反射波。控制操作装置10通过安装在双管结构的外管的外表面上的超声波传感器将超声波朝向双管的中心发送，并且基于以下方式计算窄部的间隙的范围接收时间，直到由外管的内表面反射的第一反射波显示多径反射波，以及透过外管的内表面并由内管的外表面反射的第一反射波。移动装置12使超声波传感器S沿外管的周向移动。控制操作装置10基于在圆周方向上的两个或更多个不同点测量的窄部的间隙的程度，求出双管结构的偏心量。版权所有（C）2012，JPO＆INPIT

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