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    • 91. 发明专利
    • Eddy current flaw detector for metallic surface
    • 用于金属表面的EDDY电流检波器
    • JPS5910846A
    • 1984-01-20
    • JP12036482
    • 1982-07-09
    • Kobe Steel Ltd
    • IWASAKI MASAYOSHINISHIMOTO YOSHIROUYONEDA YASUSHI
    • G01N27/90
    • G01N27/904
    • PURPOSE:To detect a surface defect securely by arranging three detection coils so that their center points form a regular triangle, and using differential detection signals between one specific coil and other two coils in combination. CONSTITUTION:The detection coils A, B, and C consisting of exciting coils 1a- 1c and detection coils 2a-2c are arranged at vertexes of a regular triangle to constitute a detector. An oscillator D supplies an AC current to the exciting coils 1a-1c, which are excited to flow the surface eddy current of a material to be detected. Voltages PA-PC induced across the detection coils 2a-2c are inputted to differential amplifiers DA1 and DA2 through amplifiers FA-FC and phase shifters SA-SC to send the difference between the induced voltages PA and PB and the difference between the PB and PC to phase detectors PD1 and PD2, which perform phase detection by a signal from a timing controller PB to obtain the differential detection signals. consequently, a surface defect is detected securely.
    • 目的:通过布置三个检测线圈使其中心点形成正三角形,并组合使用一个特定线圈和其他两个线圈之间的差分检测信​​号,可靠地检测表面缺陷。 构成:由激励线圈1a-1c和检测线圈2a-2c组成的检测线圈A,B和C被布置在正三角形的顶点处以构成检测器。 振荡器D向励磁线圈1a-1c提供交流电流,励磁线圈1a-1c被激发以流过待检测材料的表面涡流。 通过放大器FA-FC和移相器SA-SC将检测线圈2a-2c感应的电压PA-PC输入到差分放大器DA1和DA2,以发送感应电压PA和PB之间的差异以及PB与PC之间的差 通过来自定时控制器PB的信号执行相位检测以获得差分检测信​​号的相位检测器PD1和PD2。 因此,可以牢固地检测到表面缺陷。
    • 93. 发明专利
    • Spatter recognition method and apparatus in arc welding
    • 阵列识别方法和电弧焊接设备
    • JP2008126274A
    • 2008-06-05
    • JP2006314383
    • 2006-11-21
    • Kobe Steel Ltd株式会社神戸製鋼所
    • YONEDA YASUSHIOKAMOTO AKIRA
    • B23K9/095B23K9/32
    • PROBLEM TO BE SOLVED: To accurately measure spatter generation and its behavior by using an image processing means.
      SOLUTION: An image of an arc generation position and its periphery is picked up into a plurality of frame images during arc welding. Each frame image is binarized or multi-valued to extract one or a plurality of isolated ranges of high luminance and detect positional information on each isolated region so extracted. On the basis of the positional information of each detected isolated region, presence or absence of continuity is judged for the isolated regions among the continuous frame images. A series of isolated region groups judged as having presence of continuity is recognized as one spatter generated with arc welding.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:通过使用图像处理装置来精确地测量飞溅产生及其行为。 解决方案:在电弧焊接期间,将电弧产生位置及其周边的图像拾取成多个帧图像。 每个帧图像被二值化或多值化以提取高亮度的一个或多个隔离范围,并检测所提取的每个隔离区域上的位置信息。 基于每个检测到的隔离区域的位置信息,连续帧图像中的隔离区域判断是否存在连续性。 被认为具有连续性存在的一系列隔离区域组被认为是用电弧焊接产生的一个飞溅物。 版权所有(C)2008,JPO&INPIT
    • 94. 发明专利
    • Control method and control device of melting furnace
    • 熔融炉控制方法与控制装置
    • JP2006242411A
    • 2006-09-14
    • JP2005055296
    • 2005-03-01
    • Kobe Steel LtdKobelco Eco-Solutions Co Ltd株式会社神戸製鋼所株式会社神鋼環境ソリューション
    • TOMOCHIKA NOBUYUKIYONEDA YASUSHIYAMAGUCHI AKASHINIKAIDO HIROHISA
    • F23G5/50F23G5/00F27D19/00F27D21/00
    • PROBLEM TO BE SOLVED: To provide a control method and a control device of a melting furnace, capable of reducing running cost, while realizing stable melting of slag.
      SOLUTION: When a discharge quantity of the melting slag is excessively small for a specific time or more (S1 : YES), and when the oxygen concentration is a predetermined range (S5, S6 : NO), a heavy oil quantity and a combustion air quantity are increased (S10 and S11). When the oxygen concentration is smaller than a lower limit value (S5 : YES), the combustion air quantity is increased (S6), and when the oxygen concentration is larger than an upper limit value (S7 : YES), the combustion air quantity is reduced (S8). Here, when controlling the combustion air quantity (S6 and S8), and when the melting furnace temperature does not rise (S9 : NO), the heavy oil quantity and the combustion air quantity are increased (S10 and S11). While, when the discharge quantity of the melting slag is excessive for the specific time or more (S2 : YES), the heavy oil quantity and an air quantity are reduced (S3).
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种熔炉的控制方法和控制装置,能够降低运行成本,同时实现炉渣的稳定熔化。 解决方案:当熔渣的排出量过小一段时间以上时(S1:是),当氧浓度为规定范围(S5,S6:NO)时,重油量和 燃烧空气量增加(S10和S11)。 当氧浓度小于下限值(S5:是)时,燃烧空气量增加(S6),当氧浓度大于上限值(S7:是)时,燃烧空气量为 减少(S8)。 这里,当控制燃烧空气量(S6和S8)时,当熔炉温度不升高(S9:否)时,重油量和燃烧空气量增加(S10和S11)。 另外,当熔渣排出量过长一段时间以上时(S2:是),重油量和空气量减少(S3)。 版权所有(C)2006,JPO&NCIPI
    • 95. 发明专利
    • Slag flow-down state evaluation device
    • SLAG流下状态评估装置
    • JP2005037053A
    • 2005-02-10
    • JP2003274669
    • 2003-07-15
    • Kobe Steel Ltd株式会社神戸製鋼所
    • YAMAGUCHI AKASHIYONEDA YASUSHITOMOCHIKA NOBUYUKINISHIDA YOSHIHARU
    • F23G5/00F23G5/50F27D21/00
    • PROBLEM TO BE SOLVED: To provide a slag flow-down state evaluation device capable of accurately evaluating a slag molten drop state on the basis of the solidification sound in dropping the slag into the water.
      SOLUTION: The molten slag 10 produced in a melting furnace 1 is passed through a slag discharge chute 4 from a slag discharge part 3 as the flow-down slag 11 and discharged into the cooling water 5a. In this slag flow-down state evaluation device 20, the solidification sound in dropping the flow-down slag 11 into the water is measured by an underwater camera 21, and its signal is processed by a signal processing circuit 30. The signal processing circuit 30 adjusts the gain of the sound signal relating to the solidification sound in dropping the flow-down slag 11 into the water by a gain amplifier 31, then cuts a negative area of the sound signal by an absolute value detecting part 32, and performs the low-pass filter processing by a low-pass filter 34, after an envelope is detected by an envelope detecting part 33.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种能够基于将渣落入水中的凝固声来准确地评价炉渣熔融状态的炉渣流下状态评价装置。 解决方案:在熔炉1中产生的熔渣10作为下流渣从排渣部3通过排渣槽4,排出到冷却水5a内。 在该渣流下降状态评价装置20中,通过水下摄像机21测量向下流入水中的凝结声,并且信号由信号处理电路30进行处理。信号处理电路30 在通过增益放大器31将流下的渣11落入水中的同时,调整与凝固声音有关的声音信号的增益,然后用绝对值检测部32切断声音信号的负区域,进行低 在通过包络检测部件33检测到信封之后,通过低通滤波器34进行通过滤波处理。(C)2005,JPO&NCIPI
    • 96. 发明专利
    • METHOD AND DEVICE FOR UNWRAPPING PHASE DATA
    • JP2003232605A
    • 2003-08-22
    • JP2002028949
    • 2002-02-06
    • KOBE STEEL LTD
    • MORIMOTO TSUTOMUYONEDA YASUSHI
    • G01B9/02G01B11/24
    • PROBLEM TO BE SOLVED: To correctly unwrap phase data in measuring a subject with noise or local unevenness or inclination to the incoming light. SOLUTION: A reference point P, which is one of the phase data, and at least three adjacent points Q are locally unwrapped so that the phase difference is within ±π (S2). If the error between the phase data of the reference point P and a fitting expression expressing the approximation to the locally unwrapped data of the points Q exceeds a permissible error, the reference point P is determined to be ineffective (S5). The determination process is repeated with one of the adjacent points Q as a new reference point P, and the effectiveness/ineffectiveness of the whole data are determined. After that, an extrapolated value of an adjacent point C adjacent to the one of the adjacent points Q is found by the fitting expression of a reference point A, which is one of the effective data, and the point C is unwrapped so that the phase difference from the extrapolated value is within ±π (S8). Then, the similar unwrapping process is repeated with a point adjacent to the reference point A as a new reference point A to unwrap the whole effective data. COPYRIGHT: (C)2003,JPO
    • 100. 发明专利
    • SORTER FOR ARTICLES TO BE IDENTIFIED
    • JPH08299915A
    • 1996-11-19
    • JP11321395
    • 1995-05-11
    • KOBE STEEL LTD
    • KITAMURA AKIRANAKAYAMA MAKIYUKIMAEDA TOMOYUKIYONEDA YASUSHIKAWADA YUTAKA
    • B07C5/342B07C5/36B07C7/04B65G47/50
    • PURPOSE: To obtain a sorter which makes it possible to identify articles to be identified by a simple human operation, to mechanically and automatically sort these objects in accordance with the identification, to enhance the working efficiency and to save manpower. CONSTITUTION: This sorter consists of a conveyor 1 which is equipped with a tray-shaped receiving tray for continuously transferring plural kinds of the articles to be identified and an identification information imparting means 2 which imparts identification information varying with the kinds to the respective articles to be identified. The sorter has a vibration feeder 3 which applies vibration on the conveyor 1 in order to align the articles to be identified and to mount the objects at the inside of the receiving tray 5 and a sorting means 4 which classifies and houses the articles to be identified in the receiving tray 5 by kinds in accordance with the identification information. The sorting means 4 has a receiving tray opening/closing means which is disposed in the intermediate part on the transfer side of the conveyor 1 and drops the articles to be identified by fully opening the bottom of the tray 5 in response to the identification information applied on the articles to be identified on the receiving tray 5 and housing boxes 10 which accept the falling articles to be identified.