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1. 发明专利

JPS6017355A PROBE OF ULTRASONIC EXAMINATION DEVICE 失效
公开(公告)号：JPS6017355A
公开(公告)日：1985-01-29
申请号：JP12476483
申请日：1983-07-11
申请人： KINKI NIPPON RAILWAY , HITACHI LTD , HITACHI ENG CO LTD
发明人： HAYASHI KOUZOU , YOSHIDA HIROSHI , BANSHIYOUYA TAKASHI , SAKAIGAWA HIROMASA , KAKEFUDA MASARU
IPC分类号： G01N29/24 , G01N29/28 , G01N29/04
摘要： PURPOSE:To perform efficient flaw detection with less variance by providing a sponge in the probe scanning direction of a contacting catalytic medium supply mechanism body which supports a probe, and supplying a catalytic medium to a flaw detection object face of a material to be examined through the sponge. CONSTITUTION:A probe 9 is held and fixed in the central part of a catalytic medium supply mechanism body 8, and frames 12 fixed sponges 11 are fixed to both ends of said supply mechanism body 8 in positions in a scanning direction 10 of this probe 9. The probe 9 is held on said supply mechanism body 8 by fixing screws 15. Supply holes 16 for the catalytic medium are formed on one side faces of frames 12 above sponges 11. Sponges 11 are slightly projected from the bottom face of the supply mechanism body 8 for the purpose of preventing the supply mechanism body 8 from being brought into contact with a flaw detection object face of a material 17 to be examined, and the probe 9 is brought into contact with the flaw detection object face 18 through a contacting face 19, which is brought into contact with this face 18, and bottom faces of sponges 11 by the weight of the whole of this supply mechanism.

2. 发明专利

JPS57122360A Ultrasonic wave flaw detecting device for inner surface of small pipe 失效
标题翻译：用于小管内表面的超声波检测装置
公开(公告)号：JPS57122360A
公开(公告)日：1982-07-30
申请号：JP791281
申请日：1981-01-23
申请人： Hitachi Eng Co Ltd , Hitachi Ltd
发明人： SATOU YASUAKI , SUGAI KAZUO , SAKAIGAWA HIROMASA
IPC分类号： G01N29/28 , G01N29/04 , G01N29/06 , G01N29/11 , G01N29/265 , G01N29/30
CPC分类号： G01N29/11 , G01N29/0609 , G01N29/2475 , G01N29/265 , G01N29/30 , G01N2291/02854 , G01N2291/044 , G01N2291/2693
摘要： PURPOSE:To obtain the device wherein the part which is not checked for flaws does not remain, by providing a reference reflecting body which reflects part of the ultrasonic wave used for detecting the flaws on a non-rotating part of a probe, obtaining a rotating signal, and performing the automatic control of the feeding of the probe in the direction of the axis of the pipe in synchronization with the actual number of rotation. CONSTITUTION:The number of rotation of the rotary part at the time of flaw detection is set by a number of rotation setting part 21. The voltage corresponding to the preset number of rotation is applied to a DC micromotor 22, and a piezoelectric transducer 18 which is incorporated together with a rotary part 4 is rotated. An ultrasonic beam 17 which is transmitted from the piezoelectric transducer 18 is also rotated by the rotation of the piezoelectric transducer 18. Every time the beam 17 crosses the reference reflecting body 16, the reflected wave of 1 pulse/rotation is obtained and detected as a rotating pulse N. Said rotating pulse N is taken out of a first signal taking out gate G1 by a rotary sensor 24 as a pulse signal. The voltage corresponding to the actual number of rotation n1 in response to the pulse signal is outputted and displayed on a display means 25.
摘要翻译：目的：为了获得不残留检查缺损的部位的装置，通过设置反射部件的参考反射体，该反射体反射用于检测探针的非旋转部的缺陷的超声波的一部分，获得旋转信号，并且与实际旋转数量同步地执行探针在管轴方向上的馈送的自动控制。构成：通过旋转设定部21的数量来设定探伤时的旋转部的旋转次数。对应于预设旋转数的电压被施加到DC微电机22和压电换能器18，压电换能器18 与旋转部件4结合在一起旋转。从压电换能器18传递的超声波束17也通过压电换能器18的旋转而旋转。每当光束17与参考反射体16交叉时，获得1脉冲/旋转的反射波，并将其检测为所述旋转脉冲N作为脉冲信号由旋转传感器24从取出门G1的第一信号中取出。响应于脉冲信号对应于实际旋转数n1的电压被输出并显示在显示装置25上。

3. 发明专利

JPH0231154A ULTRASONIC FLAW DETECTION IMAGE PROCESSING APPARATUS 失效
公开(公告)号：JPH0231154A
公开(公告)日：1990-02-01
申请号：JP17903888
申请日：1988-07-20
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： SAKAIGAWA HIROMASA , TAGUCHI TETSUO , KINO HIROTOSHI , KAKOI MITSUO
IPC分类号： G01N29/44 , G01N29/06 , G01N29/22
摘要： PURPOSE:To display a flaw image near to an actual flaw by calculating a flaw detection angle maximizing the reflected wave of an ultrasonic wave within a certain flaw detection range and processing the calculated angle data, distance data and flaw position data. CONSTITUTION:A probe 1 transmits an ultrasonic wave to a body 6 to be inspected on the basis of the transmission pulse 101a of an ultrasonic flaw detector 3 and the reflected wave from a flaw is converted to an electric signal by the probe 1 to be inputted to the flaw detector 3. The flaw detector 3 receives a synchronous signal 105 from an image processing part 4 to output an ultrasonic echo 102 to the echo comparing circuit 11 of the processing part 4 and the circuit 11 holds the echo signal of the max. peak within a preset flaw detection range. Next, the flaw detection holding circuit 12 of the processing part 12 holds a flaw detection angle bringing the signal 102 to the max. peak on the basis of the angle holding signal 106 from the circuit 11. The processing part 4 forms the cross-sectional image of the body 6 to be inspected on the basis of the signal 102, the signal 103 showing the position of the probe 1 from a position detector 2 and the signal 104 showing the flaw detection angle from the probe 1 to make it possible to display the same on a display device 5.

4. 发明专利

JPS60242320A LIQUID LEVEL MEASURING METHOD USING ULTRASONIC WAVE 失效
公开(公告)号：JPS60242320A
公开(公告)日：1985-12-02
申请号：JP9651284
申请日：1984-05-16
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： KANDA KIMIO , KAKEFUDA MASARU , KOSHIRAE MITSUO , SAKAIGAWA HIROMASA
IPC分类号： G01F23/22 , G01F23/28 , G01F23/296
摘要： PURPOSE:To improve the measurement sensitivity of the liquid level in a container by providing a parallel or concentric circular curved surface in the container opposite an external surface, and bringing an opposite wall surface reflection type ultrasonic liquid level gauge to the external flank of the container. CONSTITUTION:An ultrasonic wave 5 from the opposite wall surface reflection type liquid level gauge 4 is made incident on the internal reflecting surface 3 of the container which is parallel to the external surface of the container 1 or concentrically circular, and the wave is reflected by the opposite surface 3 and detected. Further, the distance (d) to the reflecting surface is made smaller than the distance D between the wall surfaces of the container 1 to reduce attenuation, thereby easily detecting the liquid level even in a large-sized container. Consequently, the liquid level is measured in constant relation regardless of whether the container is large or small.

5. 发明专利

JPS60214226A Ultrasonic level gauge 失效
标题翻译：超声波水准仪
公开(公告)号：JPS60214226A
公开(公告)日：1985-10-26
申请号：JP7086984
申请日：1984-04-11
申请人： Hitachi Eng Co Ltd , Hitachi Ltd
发明人： KANDA KIMIO , KAKEFUDA MASARU , KOSHIRAE MITSUO , SAKAIGAWA HIROMASA
IPC分类号： G01F23/26 , G01F23/28 , G01F23/296
CPC分类号： G01F23/28
摘要： PURPOSE:To obtain a small-sized, lightweight, and simple ultrasonic level gauge which is easy to carry and displays the liquid level in a container by providing an ultrasonic transmitter and an ultrasonic receiver on the external surface of the container independently opposite to each other. CONSTITUTION:The transmitter 4 is provided at the outside of the container 1 and the receiver 5 is provided at the outside of the container 4 opposite the transmitter. Then, an ultrasonic wave 6 propagating in liquid 2 is received by the receiver 5 and a pilot lamp 7 turns on, so that the presence of the liquid is known. When, however, the transmitter 4 is at a position 4' and the receiver is at 5', the ultrasonic wave does not propagate in air, so the ultrasonic wave is not received at the position 5' and the pilot lamp is off, so that the absence of liquid is known. Thus, the liquid level 3 in the container 1 is measured from the relative position relation between the transmitter 4 and receiver 5.
摘要翻译：目的：通过在容器的外表面上提供独立相反的超声波发射器和超声波接收器，获得容易携带和显示液位的小型，轻便和简单的超声波液位计。构成：发射器4设置在容器1的外部，并且接收器5设置在与发射器相对的容器4的外部。然后，在液体2中传播的超声波6被接收器5接收并且指示灯7导通，使得液体的存在是已知的。然而，当发射机4处于位置4'且接收机处于5'时，超声波不会在空气中传播，所以超声波不会在5'位置接收并且指示灯熄灭，所以没有液体是已知的。因此，容器1中的液位3是从发射器4和接收器5之间的相对位置关系来测量的。

6. 发明专利

JPS5944655A Ultrasonic probe inserted into pipe 失效
标题翻译：超声探头插入管道
公开(公告)号：JPS5944655A
公开(公告)日：1984-03-13
申请号：JP15640882
申请日：1982-09-07
申请人： Hitachi Eng Co Ltd , Hitachi Ltd
发明人： SAKAIGAWA HIROMASA , SATOU YASUAKI
IPC分类号： G01N29/04 , G01N29/265
CPC分类号： G01N29/265
摘要： PURPOSE:To reduce an oversight of a defect to the minimum, and to detect a flow of the whole circumference of a pipe under an optimum condition by irradiating an ultrasonic wave under the same condition from two directions to a flaw detecting part of a weld zone, etc. CONSTITUTION:A vibrator 3 is made to adhere and fixed to a wedge 6 on a line meeting at a right angle with a line for connecting the center of a pipe 1 and a weld zone 2. The wedge 6 and the vibrator 3 are rotated in the pipe 1 by a rotation driving motor 8. A signal transfer mechanism 9 is constituted of a rotor and a stator, and an ultrasonic transmitting and receiving signal is transferred to the fixed side from the rotating side. The rotation driving motor 8 and the signal transfer mechanism 9 are held in a case 7, and a guide 11 is provided on its one end. Also, a guide 10 is provided on one end of the wedge 6, too. The guides 10, 11 make the center of the pipe 1 coincide with the center of a rotation of a probe.
摘要翻译：目的：通过在相同条件下从两个方向向焊接区的缺陷检测部分照射超声波，以将缺陷的监视减少至最小，并且在最佳条件下检测管的整个周长的流动等等。构造：将振动器3粘接并固定在与用于连接管1的中心和焊接区2的直线会合直线的线6上。楔6和振动器3 通过旋转驱动电机8在管道1中旋转。信号传递机构9由转子和定子构成，并且超声波发送和接收信号从旋转侧传递到固定侧。旋转驱动电动机8和信号传递机构9保持在壳体7中，并且在其一端设置有引导件11。此外，还在楔形件6的一端上设置有引导件10。引导件10,11使管道1的中心与探针的旋转中心重合。

7. 发明专利

JPH0727752A METHOD AND APPARATUS FOR ELECTRONIC SCANNING-TYPE ULTRASONIC FLAW DETECTION 失效
公开(公告)号：JPH0727752A
公开(公告)日：1995-01-31
申请号：JP16792493
申请日：1993-07-07
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： SAKAIGAWA HIROMASA , TAGUCHI TETSUO , INAYAMA TSUTOMU , KAKOI MITSUO
IPC分类号： G01N29/24 , G01N29/26
摘要： PURPOSE:To easily and quickly inspect various kinds of bodies to be inspected by means of various flaw-detection probes. CONSTITUTION:The apparatus is constituted of a transmission circuit 3 and a reception circuit 4 which transmit and receive ultrasonic waves, of a control circuit 5 which controls them and which controls an image processing circuit 7, of an echo digitizing circuit 6 which digitizes a received signal, of an image processing circuit 7 which performs an image display and processing operation, of a display device 8 and of an external apparatus 11. Data on flaw-detection conditions which are matched to a flaw-detection probe, an object and a flaw- detection content is set and processed by the external apparatus 11, and it is changed into a table and stored in a storage circuit inside the control circuit 5. When the data corresponding to the flaw-detection condtions is selected in a flaw-detection, the data is set after it has been read out from the storage circuit at the timing of an ultrasonic transmission and reception operation. Since the data which is set by the external apparatus 11 can be stored and retained in a storage medium at any time, the flaw detection under all flaw- detection conditions can be performed easily.

8. 发明专利

JPS60262020A ULTRASONIC LIQUID-LEVEL METER 失效
公开(公告)号：JPS60262020A
公开(公告)日：1985-12-25
申请号：JP11831284
申请日：1984-06-11
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： SAKAIGAWA HIROMASA , KANDA KIMIO
IPC分类号： G01F23/296 , G01F23/28
摘要： PURPOSE:To enable measurement under a stable contact condition, in a liquid- level meter for measuring a liquid level on the basis of the bottom surface echo obtained by projecting ultrasonic waves into a liquid from the outside of a container, by providing a liquid absorbing object to the contact part with the container. CONSTITUTION:An ultrasonic vibrator 1 is embedded in or adhered to the damper material 2 of an ultrasonic liquid-level meter 3 and liquid absorbing objects 4 such as sponges are embedded in or adhered to the periphery of the vibrator 1 to allow water to penetrate in said objects 4 while the main body 3 is held by a hand and contacted with the side surface of a container (abbreviated in the drawing) to perform scanning in an up-and-down direction. By this method, the contact condition of the main body 3 and the container can be stabilized.

9. 发明专利

JPS6021449A RECORDING AND REGENERATIVE APPARATUS OF ULTRASONIC WAVE FLAW DETECTING SIGNAL 失效
公开(公告)号：JPS6021449A
公开(公告)日：1985-02-02
申请号：JP12941683
申请日：1983-07-18
申请人： HITACHI LTD , HITACHI ENG CO LTD
发明人： KOSHIRAE MITSUO , KAKEFUDA MASARU , GOTOU HIROSHI , SAKAIGAWA HIROMASA , TATEYAMA MASARU
IPC分类号： G01N29/44 , G01N29/06
摘要： PURPOSE:To enable regeneration of record of characteristic itself of wave form, by storing a supersonic wave signal of a supersonic flaw detector, subdividing it into a plurality of parts and adding a buffer memory which reads out content of the memory and recording and regenerating the ultrasonic wave flaw detecting signal as its original wave form. CONSTITUTION:A control circuit 4 produces a synchronizing to a supersonic wave flaw detector 2 from a television synchronizing signal of a television synchronizing signal generating circuit 3. Further, a buffer memory 5 memorizes once an ultrasonic wave signal from the detector 2 by controlling signal of the circuit 4, and divides the signal into a plurality of parts in tune with the television synchronizing signal and reads out its memorized content as a television video signal. A television signal recording and regenerating circuit 6 records the television video signal from a memory 5 by a television synchronizing signal from the circuit 3.

10. 发明专利

JPS5944656A Ultrasonic probe for inside of pipe 失效
标题翻译：管道内超声探头
公开(公告)号：JPS5944656A
公开(公告)日：1984-03-13
申请号：JP15640982
申请日：1982-09-07
申请人： Hitachi Eng Co Ltd , Hitachi Ltd
发明人： SATOU YASUAKI , SAKAIGAWA HIROMASA
IPC分类号： G01N29/04 , G01N29/28
CPC分类号： G01N29/28
摘要： PURPOSE:To execute an ultrasonic flaw detection from the inside of a pipe for a long time, by providing an uneven groove between a probe driving part and a probe rotating part, and charging a sealing medium into said groove. CONSTITUTION:An uneven groove 16 is provided between a probe rotating part 4 and a probe driving part 3, and a sealing medium 17 which has higher viscosity than that of an ultrasonic contact medium 7 and is not fused is charged between said groove and a seal ring 12. By a micromotor 9 contained in the driving part 3, a shaft 10 is rotated and the probe rotating part is rotated, by which the whole face flaw detection from the inside of a pipe can be executed, and even when the shaft 10 is being rotated by the seal ring 12, the uneven groove 16 and the sealing medium 17, the contact medium 7 for propagating an ultrasonic wave 5 isolated from the inside of the driving part 3, and a continuous flaw detection extending over a long time can be executed.
摘要翻译：目的：通过在探针驱动部和探针旋转部之间设置不平坦的凹槽，并将密封介质加入到所述槽内，从管内部进行长时间的超声波探伤。构成：在探针旋转部4和探针驱动部3之间设置有不平坦的凹槽16，并且具有比超声波接触介质7更高的粘度并且不熔接的密封介质17被填充在所述凹槽和密封件通过包含在驱动部分3中的微型马达9，旋转轴10并且旋转探针旋转部分，从而可以执行从管道内部的整个面部探伤检测，并且即使当轴10 通过密封环12，不平坦凹槽16和密封介质17，用于传播从驱动部分3的内部隔离的超声波5的接触介质7以及长时间延伸的连续缺陷检测来旋转被执行。

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