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    • 2. 发明专利
    • Ultrasonic flaw detector
    • 超声波检测仪
    • JP2009186489A
    • 2009-08-20
    • JP2009119402
    • 2009-05-18
    • Hitachi-Ge Nuclear Energy Ltd日立Geニュークリア・エナジー株式会社
    • FUJIMA MASAHIROKONO NAOYUKIKOIKE MASAHIROADACHI KOICHISHIMURA TAKAOSENOO MAKOTOMATSUI TETSUYA
    • G01N29/04G01N29/24B06B1/06G01N29/26G21C17/003
    • B06B1/06G01N2291/0289G01N2291/044
    • PROBLEM TO BE SOLVED: To stably and firmly maintain the detection sensitivity of an ultrasonic flaw detector for detecting a diffracted wave in an inspection target to perform flaw detection.
      SOLUTION: A focus 17 of a focusing sound field is electronically scanned in a range including a location where half the sum of the transmitting angle of ultrasonic wave 16 to an inspection target material 21 and the receiving angle of diffracted wave 18 is 30° by a transmitting oscillator array 15 and a receiving oscillator array 19 built in a common sensor 14, and the amplification of at least one of a signal supplied to a transmitting vibrating element and a signal output from a receiving vibrating element of the sensor 14 is varied according to the position of the focus 17. The end of a defect 22 is detected from the diffracted wave 18 received as a result to perform detection of the defect 22 and sizing of the depth direction of the defect 22.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了稳定且牢固地保持用于检测检查对象中的衍射波的超声波探伤仪的检测灵敏度,进行检漏。 解决方案:聚焦声场的焦点17在包括超声波16的发射角与检查对象材料21的和的一半和衍射波18的接收角为30°的位置的范围内被电子扫描 通过发射振荡器阵列15和内置在公共传感器14中的接收振荡器阵列19,以及放大提供给发射振动元件的信号和从传感器14的接收振动元件输出的信号中的至少一个是 根据焦点17的位置而变化。从接收到的衍射波18检测出缺陷22的结束,以进行缺陷22的检测和缺陷22的深度方向的大小。版权所有: (C)2009,JPO&INPIT
    • 4. 发明专利
    • Water jet peening method and device
    • 水喷射方法和装置
    • JP2011016178A
    • 2011-01-27
    • JP2009161282
    • 2009-07-08
    • Hitachi-Ge Nuclear Energy Ltd日立Geニュークリア・エナジー株式会社
    • MATSUI YUJIFUJIMA MASAHIROBABA JUNJIKUROSAWA KOICHIYOSHIKUBO FUJIO
    • B23P17/00C21D7/06G21D1/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a water jet peening method which allows an accurate check of the effects of improving residual stress on a WJP workpiece.SOLUTION: A high-pressure water stream is jetted from a scanning nozzle to apply impact waves generated when bubbles in the water stream are crushed, to the WJP workpiece (S5). Tensile residual stress near the surface of the WJP workpiece is improved into compressive residual stress. A pressure sensor detects the impact waves to find the occurrence frequency of the impact waves. The found occurrence frequency of the impact waves are determined to be greater or not than a set value (S7). When the occurrence frequency of the impact waves are greater than the set value, a high pressure pump is turned off to stop the jet of the water stream from the nozzle (S10). When the occurrence frequency of the impact waves is not greater than the set value, the operating conditions of the high pressure pump are changed (S8). The pressure of the water stream to be jetted from the nozzle is increased and WJP work is performed at a site where the occurrence frequency of the impact waves is not greater than the set value.
    • 要解决的问题:提供一种能够准确检查在WJP工件上提高残余应力的效果的喷水喷丸方法。解决方案:从扫描喷嘴喷射高压水流,以施加泡沫时产生的冲击波 在水流中被粉碎,送到WJP工件上(S5)。 WJP工件表面附近的拉伸残余应力提高到压缩残余应力。 压力传感器检测冲击波以发现冲击波的发生频率。 冲击波的发现频率被确定为大于或不是设定值(S7)。 当冲击波的发生频率大于设定值时,关闭高压泵以停止来自喷嘴的水流的喷射(S10)。 当冲击波的出现频率不大于设定值时,改变高压泵的运转状态(S8)。 从喷嘴喷射的水流的压力增加,并且在冲击波的出现频率不大于设定值的地点进行WJP作业。
    • 5. 发明专利
    • 水中移動体制御システム及び水中移動体の制御方法
    • 水下移动物体控制系统和水下移动体控制方法
    • JP2015009642A
    • 2015-01-19
    • JP2013135692
    • 2013-06-28
    • 日立Geニュークリア・エナジー株式会社Hitachi-Ge Nuclear Energy Ltd
    • MORI ISATOKOBAYASHI RYOSUKEOKADA SATOSHIKONO NAOYUKIHIRANO KATSUHIKOTAKATORI YOSUKEFUJIMA MASAHIRO
    • B63C11/00B63B49/00G01S11/12G01S11/14
    • B63G8/001B63G8/14B63G2008/007B65H75/4484G21C17/013
    • 【課題】ケーブルからの外力による水中移動体への影響を防止し得る水中移動体制御システム及び水中移動体の制御方法を提供する。【解決手段】推進機構であるスラスタ65を有する水中移動体20と、この水中移動体20とケーブルを介して連結されケーブルの巻き取り又は送り出しを行うウィンチ2と推進機構であるスラスタ58を有する支援装置10と、水中移動体のケーブル取付部と支援装置のケーブル繰り出し部間の距離を検出するケーブル取付部間距離検出部50と、ケーブル取付部間距離と所定のたわみ量を含むケーブル長との関係を予め記憶し、検出部50により検出されたケーブル取付部間距離に対応するケーブル長に基づきケーブルの巻き取り又は送り出し量を決定する制御部32を備える。【選択図】図1
    • 要解决的问题:提供一种能够防止由电缆的外力引起的水下移动体的影响的水下移动体控制系统和水下移动体控制方法。水下移动体控制系统包括:水下移动体 具有推进器65的主体20或推进机构; 具有绞盘2的支撑装置10,该绞盘2经由电缆连接到水下移动体20并进行缆线卷取或送出,以及推进器58或推进机构; 用于检测水下移动体的电缆配合部分与支撑装置的电缆输送部分之间的距离的电缆间配合部分距离检测器50; 以及控制部件32,其预先包括电缆间配合部分距离和包括预定偏转的电缆长度之间的关系,并且基于对应于电缆长度的电缆长度来确定电缆的卷取量或发送量 由电缆配合部分距离检测器50检测到的电缆间配合部分距离。
    • 9. 发明专利
    • Ultrasonic flaw detector and ultrasonic flaw detection method
    • 超声波检测器和超声波检测方法
    • JP2012027037A
    • 2012-02-09
    • JP2011232445
    • 2011-10-24
    • Hitachi-Ge Nuclear Energy Ltd日立Geニュークリア・エナジー株式会社
    • FUJIMA MASAHIROKONO NAOYUKIKOIKE MASAHIROADACHI KOICHISHIMURA TAKAOSENOO MAKOTOMATSUI TETSUYA
    • G01N29/04G01N29/24B06B1/06G01N29/26G01N29/44
    • B06B1/06G01N2291/0289G01N2291/044
    • 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.
    • 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
    • Ultrasonic flaw detector
    • 超声波检测仪
    • JP2008256719A
    • 2008-10-23
    • JP2008192989
    • 2008-07-28
    • Hitachi-Ge Nuclear Energy Ltd日立Geニュークリア・エナジー株式会社
    • FUJIMA MASAHIROKONO NAOYUKIKOIKE MASAHIROADACHI KOICHISHIMURA TAKAOSENOO MAKOTOMATSUI TETSUYA
    • G01N29/24G01N29/26B06B1/06G01N29/44
    • B06B1/06G01N2291/0289G01N2291/044
    • PROBLEM TO BE SOLVED: To provide an ultrasonic flaw detector which detects diffracted waves in a testing object to conduct flaw detection, stabilizing and more powerfully keeping its detective sensitivity. SOLUTION: In this ultrasonic flaw detector, a transmit vibrator string 15 and a receive vibrator string 19 contained in common sensor 14 allow focal point 17 of focal sound field to electronically be scanned within the range in which 1/2 of the sum resulting from addition of both a transmit angle in ultrasonic 16 and a receive angle in diffracted waves 18 to the testing object material 21 includes 30 degrees, and also allow an amplification of at least one signal of either the signal supplied to the transmit vibration element of the above sensor 14 or the signal output from the receive vibration element to be varied depending on the position of the above focal point 17. Consequently, an edge of a flaw 22 is detected from the received diffracted wave 18 to detect the flaw 22 and make sizing in a depth direction of the flaw 22. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种检测被检物体中的衍射波的超声波探伤仪,以进行探伤,稳定和更有力地保持其检测灵敏度。 解决方案:在这种超声波探伤仪中,包含在共同传感器14中的发射振动器串15和接收振动器串19允许电磁场中的焦点17在总和的1/2的范围内被扫描 在超声波16中将发射角和衍射波18的接收角相加到测试对象材料21所产生的结果包括30度,并且还允许放大提供给发射振动元件的信号的至少一个信号 上述传感器14或从接收振动元件输出的信号将根据上述焦点17的位置而变化。因此,从接收的衍射波18检测缺陷22的边缘以检测缺陷22并使 在缺陷22的深度方向上调整。版权所有:(C)2009,JPO&INPIT