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1. 发明专利

JP2009074813A Method and device for detecting magnetic characteristic fluctuation portion of magnetic material 有权
标题翻译：用于检测磁性材料磁性特征波动部分的方法和装置
公开(公告)号：JP2009074813A
公开(公告)日：2009-04-09
申请号：JP2007241683
申请日：2007-09-19
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/72 , G01R33/02 , G01R33/12
摘要： PROBLEM TO BE SOLVED: To provide a method for detecting a magnetic characteristic fluctuation portion of a magnetic material for detecting a local fluctuation portion of a magnetic characteristic, capable of reducing highly accurately a dead zone of a magnetic material edge, even if the magnetic material is moving relatively to a detection device, and a device. SOLUTION: In this detection method of the magnetic characteristic fluctuation portion of the magnetic material for detecting the local fluctuation portion of the magnetic characteristic in the prescribed direction of the magnetic material by applying AC magnetic flux, the AC magnetic flux is applied to a direction orthogonal to the prescribed direction, and a magnetic field generated by interaction between the AC magnetic flux and the magnetic material is measured. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于检测用于检测磁特性的局部波动部分的磁性材料的磁特性变动部分的方法，其能够高精度地降低磁性材料边缘的死区，即使磁性材料相对于检测装置和装置移动。解决方案：在该磁性材料的磁特性变动部分的检测方法中，通过施加交流磁通量来检测磁性材料的规定方向上的磁特性的局部波动部分，将AC磁通量施加到测量与规定方向正交的方向，并且测量由交流磁通和磁性材料之间的相互作用产生的磁场。版权所有（C）2009，JPO＆INPIT

2. 发明专利

JP2009052903A Method and detector for detecting micro surface roughness and defect 有权
标题翻译：用于检测微观表面粗糙度和缺陷的方法和检测器
公开(公告)号：JP2009052903A
公开(公告)日：2009-03-12
申请号：JP2007217180
申请日：2007-08-23
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/83 , G01B7/34
CPC分类号： G01B7/34 , G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a practical method and detector for detecting a micro surface roughness and defect, capable of detecting surely such the micro surface roughness and defect having about several μm of roughness difficult generally to be visually confirmed, and difficult to be automatically detected, as detected by grinding using a grinding stone, in an objective specimen with a coarse surface roughness. SOLUTION: This method of detecting the micro surface roughness and defect detects the micro surface roughness and defect having 0.5-6 μm of roughness in the magnetic metal specimen, and detects the surface defect by detecting a signal caused by a strain in a defective part of the specimen. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于检测微观表面粗糙度和缺陷的实用方法和检测器，能够可靠地检测到这样的微观表面粗糙度和大约几μm的粗糙度的缺陷通常被目视确认，并且难以通过使用研磨石的研磨来检测，可以自动检测到具有粗糙表面粗糙度的物镜。解决方案：这种检测微观表面粗糙度和缺陷的方法检测磁性金属试样中的微观表面粗糙度和缺陷，具有0.5-6μm的粗糙度，并通过检测由于金属样品中的应变引起的信号来检测表面缺陷样品有缺陷的部分。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2008249464A Electric resistance measuring method and its device 有权
标题翻译：电阻测量方法及其设备
公开(公告)号：JP2008249464A
公开(公告)日：2008-10-16
申请号：JP2007090720
申请日：2007-03-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： ITO TOMOHIKO , NAGAMUNE AKIO , KATO HIROHARU , YOTSUTSUJI JUNICHI
IPC分类号： G01R27/08 , G01R27/02
摘要： PROBLEM TO BE SOLVED: To provide an electric resistance measuring method for accurately measuring the electric resistance of an object to be measured, and to provide its device.
SOLUTION: The electric resistance measuring method generates pseudo random signals S1 having positive and negative binary signs having mutually equal absolute values, when the sign of the pseudo random signal S1 is (+1), and timely divides the sign of the pseudo random signal S1 in an even number in order of (+1) to(-1) or (-1) to (+1) to generate a reference signal S3. The electric resistance measuring method timely divides the sign of the pseudo random signal S1 in an even number in order of (-1) to (+1) or (+1) to (-1) to generate the reference signal S3 when the sign of the pseudo random signal S1 is (-1), and applies the generated reference signal S3 on a pair of current application electrodes 4a, 4b.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于精确测量待测物体的电阻并提供其装置的电阻测量方法。解决方案：当伪随机信号S1的符号为（+1）时，电阻测量方法产生具有相互相等的绝对值的正和负二进制符号的伪随机信号S1，并且及时地将伪伪随机信号（+1）至（-1）或（-1）至（+1）的顺序的偶数的随机信号S1以产生参考信号S3。电阻测量方法按照（-1）至（+ 1）或（+ 1）至（ - 1）的顺序，将偶数编号的伪随机信号S1的符号及时分配，以便在符号伪随机信号S1为（-1），并将生成的参考信号S3施加在一对当前施加电极4a，4b上。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2008216103A Detection signal processing method for periodic defect, and device therefor 审中-公开
标题翻译：用于定期缺陷的检测信号处理方法及其设备
公开(公告)号：JP2008216103A
公开(公告)日：2008-09-18
申请号：JP2007055308
申请日：2007-03-06
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a detection signal processing method for periodic defects, capable of detecting surely micro irregular flaws having several μm of unevenness difficult to be visually confirmed in an object of coarse surface roughness to be inspected, and difficult to be automatically detected as detected by grinding inspection with a grindstone, and a device therefor.
SOLUTION: This signal processing method for detecting the periodic defects existing in a specimen partitions measured signals including the periodic defects with a plurality of periods, at a fixed interval, arrays the partitioned measured signals along a direction orthogonal to a data sequential direction of the measured signals to prepare a two-dimensional data sequence, and pattern-processes the two-dimensional data sequence to recognize the defects.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于周期性缺陷的检测信号处理方法，能够检测在要检查的粗糙表面粗糙度的对象中难以在目视上确认具有几μm不均匀性的可靠的微不规则缺陷，并且难以通过用磨石的研磨检查检测到的自动检测装置及其装置。解决方案：用于检测存在于样本中的周期性缺陷的信号处理方法将包括具有多个周期的周期性缺陷的测量信号以固定的间隔分隔，沿着与数据顺序方向正交的方向排列分割的测量信号的测量信号以准备二维数据序列，并对二维数据序列进行模式处理以识别缺陷。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2008169274A Method for detecting tip position of coke pushing ram and tip position detecting apparatus 审中-公开
标题翻译：检测焦点位置的检测方法和提示位置检测装置
公开(公告)号：JP2008169274A
公开(公告)日：2008-07-24
申请号：JP2007002438
申请日：2007-01-10
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YOTSUTSUJI JUNICHI , ITO TOMOHIKO , NAGAMUNE AKIO
IPC分类号： C10B29/02 , C10B31/08 , G01B11/00
摘要： PROBLEM TO BE SOLVED: To provide a method for detecting the tip position of a coke pushing ram for the continuous measurement of the oven wall shape of a plurality of ovens in high efficiency without obstructing the operation of a coke oven and to provide an apparatus for detecting the tip position of a coke pushing ram by using the detection method.
SOLUTION: The invention relates to a method for detecting the tip position of a pushing ram attached to a coke pusher of a coke oven, comprising a step to irradiate a cooled structure attached to the tip of the pushing ram with light, a step to pick up the image of the irradiated structure, and a step to detect the tip position of the pushing ram based on the image pick-up signal of the structure.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于检测焦炭推动压头的尖端位置的方法，用于连续测量多个炉的炉壁形状，而不会阻碍焦炉的操作，并提供一种用于通过使用该检测方法来检测焦炭推杆的尖端位置的装置。解决方案：本发明涉及一种用于检测附着在焦炉的焦炭推动器上的推动柱塞的尖端位置的方法，包括用光照射附着在推压杆顶端的冷却结构的步骤，步骤以拾取照射结构的图像，以及基于结构的图像拾取信号来检测推压脚的尖端位置的步骤。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2008102073A Electromagnetic characteristic measuring method and device 审中-公开
标题翻译：电磁特性测量方法和装置
公开(公告)号：JP2008102073A
公开(公告)日：2008-05-01
申请号：JP2006286040
申请日：2006-10-20
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/72 , G01K7/36
摘要： PROBLEM TO BE SOLVED: To provide a device capable of measuring a slight change of an electromagnetic characteristic, even when being influenced by lift-off fluctuation with a metal specimen or by a shape change.
SOLUTION: AC signals having oscillation frequencies f1, f2 from oscillators 1a, 1b are added together by an adder 2, and applied to a magnetometric sensor 3, to thereby generate an AC magnetic flux. The first induced voltage signal generated by the AC magnetic flux and the second induced voltage signal by an AC magnetic flux generated by interaction between the AC magnetic flux and a hot rolled steel sheet 10 are taken from the magnetometric sensor 3, and a difference is determined. A signal generated only from an interaction portion between the AC magnetic flux and the hot rolled steel sheet 10 acquired by the operation is synchronized with the AC signal f1, to thereby detect each value X
f1 , Y
f1 of an X-component and a Y-component, and the signal is synchronized with the other AC signal f2, to thereby detect each value X
f2 , Y
f2 of the X-component and the Y-component, and the values X
f1 , Y
f1 , X
f2 , Y
f2 are applied to a prescribed operation equation to calculate the values of X and Y, and a temperature value is discriminated from a calibration curve determined beforehand.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：即使当受到金属试样的剥离波动或形状变化的影响时，提供能够测量电磁特性的轻微变化的装置。解决方案：具有来自振荡器1a，1b的振荡频率f1，f2的AC信号由加法器2相加在一起，并被施加到磁力计传感器3，从而产生AC磁通量。通过交流磁通和热轧钢板10之间的相互作用产生的交流磁通由交流磁通和第二感应电压信号产生的第一感应电压信号从磁力计传感器3取出，并且确定差。由交流磁通和通过该操作获得的热轧钢板10之间的相互作用部分产生的信号与交流信号f1同步，从而检测出每个值X f1 ，Y X分量和Y分量，并且该信号与另一个AC信号f2同步，从而检测每个值X f2 ，Y f2 < X分量和Y分量的值，X SB SB，f1，...，X SB SB2，Y f2 应用于规定的运算方程式以计算X和Y的值，并且从预先确定的校准曲线来区分温度值。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2006010440A Magnetic sensor 有权
标题翻译：磁传感器
公开(公告)号：JP2006010440A
公开(公告)日：2006-01-12
申请号：JP2004186325
申请日：2004-06-24
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01R33/02 , G01B7/06 , G01B7/34 , G01D5/245 , G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a magnetic sensor capable of easily changing an arranging space for coils used in measurement while securing measuring precision, in the magnetic sensor having the plurality of coils.
SOLUTION: This magnetic sensor is provided with a magnetic detecting part 1, and an excitation electric power source 2, a selection circuit 3, a differential amplifier 4 and the like. The magnetic detecting part 1 is provided with an excitation coil 11d, and detecting coils 11a, 11b, 11c, 11e, 11f, 11g. The selection circuit 3 is provided with switches 31a-31g for grounding selectively one-sides of the coils 11a-11g when detecting a defect. The selection circuit 3 is provided also with switching switches 32a-32f for selecting the prescribed two coils out of the detecting coils, when detecting the defect, for guiding detection signals of the selected two coils to an input side of the differential amplifier 4, and for short-circuiting both ends of the respective coils under a floating condition, as to the residual coils not selected therein.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种磁传感器，其能够在具有多个线圈的磁传感器中，在确保测量精度的同时，容易地改变用于测量的线圈的布置空间。解决方案：该磁传感器设置有磁检测部分1和激励电源2，选择电路3，差分放大器4等。磁检测部1设置有励磁线圈11d，检测线圈11a，11b，11c，11e，11f，11g。选择电路3设置有开关31a-31g，用于在检测到缺陷时选择性地接地线圈11a-11g的一侧。选择电路3还设置有用于在检测到缺陷时选择检测线圈中的规定的两个线圈的开关开关32a-32f，用于将所选择的两个线圈的检测信号引导到差分放大器4的输入侧，以及为了在浮动状态下短路各线圈的两端，关于其中未选择的剩余线圈。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2005315734A Method and instrument for measuring displacement of ferromagnetic body 审中-公开
标题翻译：用于测量假体的位移的方法和仪器
公开(公告)号：JP2005315734A
公开(公告)日：2005-11-10
申请号：JP2004134060
申请日：2004-04-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO HIROHARU , KOSHIHARA TAKAHIRO , NAGAMUNE AKIO
IPC分类号： G01B7/00
摘要： PROBLEM TO BE SOLVED: To provide a method and instrument for measuring displacement of a ferromagnetic body less susceptible to irregularity of differential permeability (owing to magnetization level difference, etc.) as to a measurement location among irregularities in "properties of a measuring object surface layer part of a ferromagnetic body".
SOLUTION: The ferromagnetic body (a displacement measuring object) 1, an excitation coil 2, a magnetic flux detection sensor 3, a ferromagnetic core 4, a power supply 5 for the excitation coil, an amplifier/signal processing circuit 6, magnetic flux 9A passing through the U-shaped ferromagnetic core, magnetic flux 9B passing through a gap, magnetic flux 9C passing through the measuring object ferromagnetic body, and a magnetizing coil 11, are severally expressed in the figure. The magnetizing coil 11 is used to demagnetize the ferromagnetic body (the displacement measuring object) 1, to bring it to a magnetized state to a saturation level, to magnetize it once to a saturation level, and then to bring an external magnetic field to a level close to zero.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于测量铁磁体的位移的方法和仪器，其不利于差分磁导率的不规则性（由于磁化水平差异等），关于“特性的不规则性”中的测量位置测量铁磁体的物体表面层“。解决方案：铁磁体（位移测量对象）1，励磁线圈2，磁通检测传感器3，铁磁芯4，用于励磁线圈的电源5，放大器/信号处理电路6，通过U形铁磁芯的磁通量9A，通过间隙的磁通量9B，穿过测量对象铁磁体的磁通9C和磁化线圈11在图中分别表示。磁化线圈11用于使铁磁体（位移测量对象）1退磁，使其处于饱和状态的磁化状态，将其磁化一次达到饱和水平，然后使外部磁场向水平接近零。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005221282A Layer thickness measuring method, system, and program of later thickness measuring method 有权
标题翻译：厚度测量方法，厚度测量方法的系统和程序
公开(公告)号：JP2005221282A
公开(公告)日：2005-08-18
申请号：JP2004027531
申请日：2004-02-04
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： YOTSUTSUJI JUNICHI , NAGAMUNE AKIO
IPC分类号： G01B7/06 , B22D2/00 , B22D11/07 , B22D11/108 , B22D11/16 , G01B7/00
摘要： PROBLEM TO BE SOLVED: To provide a method, system or the like capable of measuring the powder molten thickness or the like stably and accurately by a noncontact measuring method exerting no influence on a slab quality. SOLUTION: This layer thickness measuring method for measuring the height of a molten steel having one or a plurality of different electric conductivities, or the thickness of a molten powder layer or a powdered powder layer has a process for applying a voltage having a frequency of 100 kHz or 1 MHz to an exciting coil 1, a process for detecting a voltage based on an eddy current generated in each layer by detection coils 2, 3 which are same as or different from the exciting coil 1, and a process for outputting the phase difference with the voltage having such a frequency and the absolute value of an amplitude based on the detected voltage. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种能够通过不影响板坯质量的非接触式测量方法来稳定和精确地测量粉末熔融厚度等的方法，系统等。解决方案：用于测量具有一种或多种不同电导率的钢水的高度的层厚度测量方法或熔融粉末层或粉末状粉末层的厚度具有施加具有频率为100kHz或1MHz的激励线圈1，用于基于与激励线圈1相同或不同的检测线圈2,3在每层中产生的涡流来检测电压的处理，以及用于输出具有这样的频率的电压的相位差和基于检测到的电压的幅度的绝对值。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005024295A Leakage flux flaw detection test 审中-公开
标题翻译：泄漏流量检测测试
公开(公告)号：JP2005024295A
公开(公告)日：2005-01-27
申请号：JP2003187284
申请日：2003-06-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KOSHIHARA TAKAHIRO , KATO HIROHARU , NAGAMUNE AKIO
IPC分类号： G01N27/83
摘要： PROBLEM TO BE SOLVED: To provide a leakage flux flaw detection method for easily setting the magnetization level and magnetization conditions, even if the steel type and the plate thickness change.
SOLUTION: When a ferromagnetic body metal specimen is magnetized by a magnetizer, a leakage flux signal, corresponding to the same position on the specimen, is measured under conditions, where the magnetization levels of the specimens are essentially different, by a plurality of magnetic sensors, where the installation positions are changed along the magnetization direction of the magnetizer; measurement results are computed, and defects are determined according to the computation result, and the magnetization conditions of the specimen in flaw detection are set by measuring the magnetic field near the surface of the specimen at a position, where at least one magnetic sensor is arranged, in advance, so that the magnetization conditions of the specimen in flaw detection are set; and a position where a sensor in charge of other magnetization levels is arranged, becomes the position, where a measured magnetic field becomes a desired value by measuring a magnetic field near the surface of the specimen magnetized by the magnetization conditions set.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：即使钢种和板厚发生变化，也可以提供容易设定磁化强度和磁化条件的漏磁通探伤方法。解决方案：当铁磁体金属样品被磁化器磁化时，在样品的磁化水平基本上不同的条件下，测量对应于样品上相同位置的漏磁通信号，多个的磁性传感器，其中安装位置沿着磁化器的磁化方向改变; 计算测量结果，根据计算结果确定缺陷，并且通过在至少一个磁传感器布置的位置处测量样本表面附近的磁场来设定样本在探伤中的磁化条件预先设定试样在探伤中的磁化条件; 并且设置负责其他磁化水平的传感器的位置成为通过测量由设定的磁化条件磁化的试样的表面附近的磁场而将测定的磁场变为期望值的位置。版权所有（C）2005，JPO＆NCIPI

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