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11. 发明公开

EP3269490A1 METHOD OF MONITORING MANUFACTURING STATUS OF ELECTRIC RESISTANCE WELDED PIPE, DEVICE FOR MONITORING MANUFACTURING STATUS OF ELECTRIC RESISTANCE WELDED PIPE, AND METHOD OF MANUFACTURING ELECTRIC RESISTANCE WELDED PIPE 审中-实审
标题翻译：监视电阻焊接管的制造状况的方法，用于监视电阻焊接管的制造状况的装置以及制造电阻焊接管的方法
公开(公告)号：EP3269490A1
公开(公告)日：2018-01-17
申请号：EP16761445.2
申请日：2016-02-17
申请人： JFE Steel Corporation
发明人： KODAMA, Toshifumi , OKABE, Takatoshi , SATO, Shuichi
IPC分类号： B23K13/00 , B21C37/08 , B21C51/00 , B23K13/06 , B23K13/08
CPC分类号： B23K13/08 , B21C37/08 , B21C51/00 , B23K11/0006 , B23K11/062 , B23K11/0873 , B23K11/16 , B23K11/252 , B23K13/025 , B23K13/06 , B23K31/125 , B23K2101/04 , B23K2103/04
摘要： A device 1 for monitoring a manufacturing status of an electric resistance welded pipe monitors the manufacturing status of the electric resistance welded pipe manufactured by shaping a steel strip into a pipe and butt welding both end parts of the steel strip in a width direction along a lengthwise direction. The device 1 includes an imaging unit 3 arranged in a nozzle 2 having an opening 2a opposing a region in which both of the end parts of the steel strip in the width direction are butt welded and shielding the region with inert gas by ejecting the inert gas onto the region through the opening 2a, the imaging unit 3 having a visual field including the region. The device 1 also includes an analyzing unit 4 configured to determine the quality of a butt-welded part based on an image shot by the imaging unit 3.
摘要翻译：用于监视电阻焊管的制造状态的装置1监视通过将钢带成形为管而制造的电阻焊接管的制造状态，并且将钢带的两个端部在宽度方向上沿着长度方向方向。装置1包括成像单元3，该成像单元3布置在具有开口2a的喷嘴2中，该开口2a与钢带的宽度方向上的两个端部被对接焊接的区域相对，并且通过喷射惰性气体通过开口2a到达该区域，成像单元3具有包括该区域的视场。装置1还包括分析单元4，其被配置为基于由成像单元3拍摄的图像来确定对接焊接部分的质量。

12. 发明公开

EP2322312A1 METHOD FOR MANUFACTURING LASER-WELDED STEEL PIPE 审中-公开
标题翻译： VERFAHREN ZUR HERSTELLUNG EINES LASERGESCHWEISSTEN STAHLROHRS
公开(公告)号：EP2322312A1
公开(公告)日：2011-05-18
申请号：EP09770280.7
申请日：2009-06-22
申请人： JFE Steel Corporation
发明人： YANO, Koji , OI, Kenji , SUZUKI, Masahito , KODAMA, Toshifumi , SAKASHITA, Shigeto
IPC分类号： B23K26/26 , B23K26/00 , B23K101/06
摘要： There is provided a method for manufacturing a laser welded steel pipe in which the status of laser welding is accurately assessed, and the assessment is used to modify welding conditions, so that laser welded steel pipes can be manufactured at a high yield rate and in a stable manner.
More specifically, irradiation point(s) of laser beam(s), with which the longitudinal edges are irradiated from the side of the outer surface, are monitored from the side of the inner surface of an open pipe, and then conditions of welding with the laser beam(s) are assessed to be kept unchanged if any keyhole is found penetrating out of the inner surface of the open pipe, or modified if no keyhole is found penetrating out of the inner surface of the open pipe, so that welding can be performed with any keyhole penetrating from the outer surface to the inner surface of the open pipe captured at any irradiation point of the laser beam(s) .
摘要翻译：提供了一种制造激光焊接钢管的方法，其中准确地评估激光焊接的状态，并且使用该评估来改变焊接条件，使得可以以高产率制造激光焊接钢管稳定的方式。更具体地说，从开口管的内表面的侧面监测从外表面侧照射纵向边缘的激光束的照射点，然后，如果发现任何键孔从开口管的内表面渗出，则激光束被评估为保持不变，或者如果没有发现钥匙孔渗透到开放管的内表面，则修改激光束，使得焊接可以以从激光束的任何照射点捕获的开放管的外表面到内表面的任何键孔执行。

13. 发明公开

EP3795702A1 MELT COMPONENT ESTIMATION DEVICE, MELT COMPONENT ESTIMATION METHOD, AND METHOD FOR PRODUCING MELT 有权
公开(公告)号：EP3795702A1
公开(公告)日：2021-03-24
申请号：EP19804356.4
申请日：2019-04-03
申请人： JFE Steel Corporation
发明人： KASE, Hiroto , TOMIYAMA, Shinji , TAKAHASHI, Yukio , AMANO, Shota , KODAMA, Toshifumi
IPC分类号： C21C5/30
摘要： A molten metal component estimation device 1 includes an input device 11 that receives measurement information about a refining facility 2 including measurement results regarding an optical characteristic at a furnace throat in the refining facility 2 during a blowing process, a model database that stores model expressions and model parameters regarding a blowing process reaction including a model expression and model parameters representing a relation between the oxygen efficiency in decarburization and a carbon concentration in a molten metal in the refining facility 2, a model calculation unit 13b that estimates component concentrations of the molten metal including the carbon concentration in the molten metal by using the measurement information and using the model expressions and the model parameters, and a model determination unit 13a that estimates the carbon concentration in the molten metal based on the measurement results, and determines the model expression and the model parameters to be used by the model calculation unit 13b based on the estimation result.

14. 发明授权

EP2660558B1 FURNACE WALL SHAPE MEASURING DEVICE, FURNACE WALL SHAPE MEASURING SYSTEM AND FURNACE WALL SHAPE MEASURING METHOD 有权
公开(公告)号：EP2660558B1
公开(公告)日：2019-02-20
申请号：EP11852692.0
申请日：2011-12-19
申请人： JFE Steel Corporation
发明人： YAMAHIRA, Naoshi , KODAMA, Toshifumi
IPC分类号： G01B11/25 , C10B45/00 , F27D21/00 , G01N21/954

15. 发明授权

EP3118612B1 STEEL-PIPE SURFACE INSPECTION METHOD, SURFACE INSPECTION DEVICE, MANUFACTURING SYSTEM, DEFECT GENERATION-LOCATION SPECIFYING METHOD, AND MANUFACTURING METHOD 有权
公开(公告)号：EP3118612B1
公开(公告)日：2018-10-31
申请号：EP15761351.4
申请日：2015-03-03
申请人： JFE Steel Corporation
发明人： IIZUKA, Yukinori , ONO, Hiroaki , KODAMA, Toshifumi , OGAWA, Akihiro
IPC分类号： G01N25/72 , G01J5/48
CPC分类号： G01N21/8806 , G01J5/48 , G01J2005/0077 , G01N21/359 , G01N21/93 , G01N21/95 , G01N25/72
摘要： A control device 12 acquires a self-luminous image of a steel pipe captured when the steel pipe is hot, corrects the self-luminous image by uniformizing luminance variation in the circumferential direction of the self-luminous image, and detects a surface defect based on the corrected self-luminous image. The self-luminous image is preferably captured in a position behind a reducer. The diameter reduction rate applied by the reducer for the steel pipe is preferably equal to or greater than 110%. The luminance variation in the circumferential direction of the self-luminous image is uniformized by using a luminance distribution in the circumferential direction where the luminance in the longitudinal direction of the steel pipe is averaged. The luminance variation in the circumferential direction of the self-luminous image may be uniformized by using a difference in the luminance between a plurality of self-luminous images captured with the position in the longitudinal direction of the steel pipe changed.

16. 发明公开

EP2792447A1 LASER WELDING POSITION-DETECTING DEVICE AND WELDING POSITION-DETECTING METHOD 失效
标题翻译：设备技术LASERSCHWEISSUNGSPOSITION用于检测LASERSCHWEISSUNGSPOSITION检测和方法
公开(公告)号：EP2792447A1
公开(公告)日：2014-10-22
申请号：EP12857094.2
申请日：2012-12-07
申请人： JFE Steel Corporation
发明人： KODAMA, Toshifumi , YANO, Koji , SUZUKI, Masahito
IPC分类号： B23K26/20 , B23K26/00 , G01B11/00
CPC分类号： B23K26/032 , B23K26/042 , B23K26/044 , B23K26/262 , B23K2201/06 , B23K2203/04 , G06T7/269 , G06T2207/10016 , G06T2207/10048 , G06T2207/30136 , G06T2207/30152
摘要： A welding position detecting apparatus for laser beam welding according to the present invention includes an imaging device (5) that captures, at a predetermined time interval, images of an irradiated portion (4) of a welded steel pipe (1) irradiated with a welding laser beam (3), and a surrounding area thereof, of the welding material; an image processing device (6) that identifies a position of the irradiated portion (4) irradiated with the welding laser beam (3) by performing image processing calculating, from two or more images acquired by the imaging device (5), a direction and an amount of parallel movement of points in the images; and a display device (7) that displays the position of the irradiated portion irradiated with the welding laser beam, the position being identified by the image processing device (6).
摘要翻译：一种焊接位置检测装置，用于激光束焊接雅丁装置本发明包括在成像装置（5）那样的捕获，以预定的时间间隔，焊接钢管的被照射部分（4）的图（1）照射的焊接激光束（3），以及它们的周围区域中的焊接材料制成，; 通过从由摄像装置（5），方向和获取的两个或多个图像执行图像处理计算，（6）那样的图像处理装置标识被照射部分的位置（4）照射焊接的激光束（3）上图像中的点的平行移动量; 以及显示装置（7）那样显示与焊接激光束照射的照射部分的位置，该位置由所述图像处理装置识别的（6）。

17. 发明公开

EP2660558A1 FURNACE WALL SHAPE MEASURING DEVICE, FURNACE WALL SHAPE MEASURING SYSTEM AND FURNACE WALL SHAPE MEASURING METHOD 有权
标题翻译：用于测量一种形式烘炉壁上，SYSTEM FOR形状测量找形炉壁和方法测量烘炉壁上
公开(公告)号：EP2660558A1
公开(公告)日：2013-11-06
申请号：EP11852692.0
申请日：2011-12-19
申请人： JFE Steel Corporation
发明人： YAMAHIRA, Naoshi , KODAMA, Toshifumi
IPC分类号： G01B11/25 , F27D1/00 , F27D21/02
CPC分类号： G01B11/24 , C10B45/00 , F27D21/0021 , G01B11/2518 , G01N21/954
摘要： Laser light and self-emitting light of an oven wall for measuring an irregular shape of an oven wall surface are simultaneously obtained while allowing the laser light and the self-emitting light to not interfere with each other and a measurable range in a direction perpendicular to the oven wall surface and an irradiation range of the laser light to be increased. Included are: a slit laser light source 4 that is arranged in a thermally-insulated protection box 3 having a slit-like window 2 and emits slit-like laser light; a laser light mirror 5 that reflects the laser light and irradiates the oven wall surface with the laser light via the window 2; an imaging mirror 6 that reflects reflected light from the oven wall surface due to irradiation of the laser light and self-emitting light emitted from the oven wall surface, which enter the thermally-insulated protection box 3 via the window 2; and an imaging device 8 that images via an optical filter 7 the self-emitting light and the reflected light that are reflected from the imaging mirror 6.
摘要翻译：激光和同时允许激光和自发光的光不垂直于与海誓山盟和可测量的干涉范围的方向上自发光，用于在烤箱壁表面的不规则形状测量烘箱壁的光同时获得炉壁表面和在所述激光的照射范围被增加。包括有：一个狭缝激光光源4并在具有狭缝状的窗口2和发射绝热保护盒3布置狭缝状激光; 激光镜5做反射激光光并照射经由窗口2的激光炉壁表面上; 成像反射镜6没有反映反射从烘箱壁面光由于激光光并从炉壁表面上，这通过窗口2进入绝热保护盒3发射自发光的光的照射; 和摄像元件8在7自发光光以及从反射镜反射的成像的反射光所做经由光学滤波器的图像。6

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