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    • 2. 发明专利
    • Measuring method and measuring instrument on radiant energy in burnt matter
    • 测量方法和测量仪器对辐射能量的影响
    • JP2007078431A
    • 2007-03-29
    • JP2005264507
    • 2005-09-13
    • Hitachi Zosen CorpOsaka Univ国立大学法人大阪大学日立造船株式会社
    • HAYASHI TETSUSHISATO TAKUROSAITO HIDEKIENDO HIDEKISAKAGAMI TAKAHIDE
    • G01J1/42F23N5/08G01J5/00G01J5/48
    • PROBLEM TO BE SOLVED: To provide a measuring instrument on radiant energy for removing measurement error caused by fluctuation of luminous flame or foreign matter such as dust in measuring radiant energy.
      SOLUTION: This measuring instrument is equipped with: a two-dimensional sensor part 11 capable of measuring the amount of radiant energy emitted from a combustion surface of burnt matter at prescribed intervals; a data storage part 13 for storing therein measurement data detected by the sensor part by an amount corresponding to prescribed measurement cycles; an FET processing part 14 for inputting therein the measurement data stored in the storage part while taking out the measurement data as time-series data for converting the time-series data into a frequency domain by thereto applying FET processing; a foreign matter effect etc. removal part 15 for removing frequency components equal to or higher than 1Hz, for example, affected by the existence of luminous flame and the existence of foreign matter such as dust from the frequency domain acquired by the FET processing part; and an inverse processing part 16 for performing inverse FET processing in order to return a residual frequency signal acquired by the removal part to a time domain.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种辐射能测量仪器,用于消除测量辐射能量时发出的火焰或异物如灰尘等异物引起的测量误差。

      解决方案:该测量仪器配备有:能够以规定间隔测量从燃烧物的燃烧面发射的辐射能量的二维传感器部11; 数据存储部分13,用于将由传感器部分检测的测量数据存储在与规定的测量周期相对应的量; FET处理部分14,用于在其中输入存储在存储部分中的测量数据,同时取出测量数据作为时间序列数据,用于通过施加FET处理将时间序列数据转换成频域; 用于去除等于或高于1Hz的频率分量的异物效应等去除部分15,例如受到由FET处理部分所获得的频域的发光火焰的存在和来自频域的灰尘等异物的存在的影响; 以及用于执行逆FET处理以便将由去除部分获取的残余频率信号返回到时域的逆处理部分16。 版权所有(C)2007,JPO&INPIT

    • 3. 发明专利
    • Position correcting method for infrared thermoelastic stress measurement
    • 红外热应力测量的位置校正方法
    • JP2007205875A
    • 2007-08-16
    • JP2006025069
    • 2006-02-01
    • Osaka Univ国立大学法人大阪大学
    • SAKAGAMI TAKAHIDEKUBO SHIRO
    • G01L1/00
    • PROBLEM TO BE SOLVED: To provide a position correcting method for an infrared thermoelastic stress measurement, capable of precisely correcting a displacement and a deformation of an object to be measured in an image visual field of an infrared thermoelastic stress measuring apparatus.
      SOLUTION: The infrared thermoelastic stress measuring apparatus with an automatic position correcting function 100 comprises: a load generating section 101 for applying a load to the object to be measured repeatedly; an infrared thermography 102 for measuring a temperature of the object to be measured in synchronization with a timing of the load; a time-series intensity distribution data acquiring section 103 for acquiring time-series intensity distribution data of the object to be measured; a displacement calculating section 104 for calculating displacement value distribution data due to the displacement and the deformation of the object to be measured, by executing a digital image correlation method using the time-series intensity distribution data; a stress measuring section 105 for measuring stress data of the object to be measured from the time-series intensity distribution data; a position correcting section 106 for correcting a position of the stress data after the displacement and the deformation of the object to be measured, based on the displacement value data; and an image displaying section 107 for displaying an infrared image after above-mentioned position correcting operation.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于红外线热弹性应力测量的位置校正方法,其能够精确地校正红外线热弹性应力测量装置的图像视野中的被测量物体的位移和变形。 解决方案:具有自动位置校正功能的红外热弹性应力测量装置100包括:负载产生部分101,用于重复地向被测量物体施加负载; 用于与负载的定时同步地测量待测物体的温度的红外热像仪102; 时间序列强度分布数据获取部分103,用于获取待测物体的时间序列强度分布数据; 位移计算部分104,用于通过使用时间序列强度分布数据执行数字图像相关方法来计算由于被测量对象的位移和变形引起的位移值分布数据; 应力测量部分105,用于根据时间序列强度分布数据测量待测物体的应力数据; 位置校正部分106,用于基于位移值数据校正位移之后的应力数据的位置和被测量物体的变形; 以及用于在上述位置校正操作之后显示红外图像的图像显示部分107。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Method and device for measuring stress fluctuation distribution of structure, defect detecting method of structure, and risk assessing method of structure
    • 用于测量结构应力波动分布的方法和装置,缺陷检测结构方法和风险评估结构方法
    • JP2008232998A
    • 2008-10-02
    • JP2007076367
    • 2007-03-23
    • Osaka Univ国立大学法人大阪大学
    • SAKAGAMI TAKAHIDEKUBO SHIRO
    • G01N25/20G01J5/48G01L1/00G01M99/00G01N25/72
    • PROBLEM TO BE SOLVED: To provide a measuring method of the stress fluctuation distribution of a structure capable of accurately assessing the stress fluctuation distribution in the large structure such as a bridge where stress fluctuation occurs.
      SOLUTION: The temperature distribution fluctuation generated in the structure by a thermoelastic effect or plastic heat generation by the stress fluctuation occurring in structure to be detected is measured as thermal imagery by an infrared camera. Relative stress fluctuation is assessed based on this temperature distribution fluctuation. A visible image using a visible camera whose measurement field of view is matched with that of the infrared camera is photographed. The absolute value of the stress of each point is measured from the distortion information on each point within the field of view determined by applying a digital image correlation method to the visible image. The position of the thermal imagery data is corrected using the absolute value of the measured stress, and the stress fluctuation is assessed based on the corrected thermal imagery data.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够精确地评估发生应力波动的桥梁等大型结构中的应力波动分布的结构的应力波动分布的测量方法。 解决方案:通过红外摄像机的热成像测量由结构中发生的应力波动产生的热弹性效应或塑性发热在结构中产生的温度分布波动。 基于该温度分布波动评估相对应力波动。 使用其测量视场与红外摄像机的视场匹配的可见摄像机的可见图像被拍摄。 通过将数字图像相关方法应用于可视图像而确定的视场内的每个点的失真信息来测量每个点的应力的绝对值。 使用所测量的应力的绝对值校正热图像数据的位置,并且基于校正的热成像数据来评估应力波动。 版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Flaw detection method of structure, flaw detector of structure and loading machine equipped with flaw detection function
    • 结构FLAW检测方法,结构检测器和装有FLAW检测功能的加载机
    • JP2008008705A
    • 2008-01-17
    • JP2006177949
    • 2006-06-28
    • Jfe Steel KkJfeスチール株式会社Osaka Univ国立大学法人大阪大学
    • ISHINO KAZUNARIKABEYA KAZUHISASAKAGAMI TAKAHIDE
    • G01N25/72G01J5/48
    • PROBLEM TO BE SOLVED: To provide a flaw detection method of a structure, which remotely, easily and certainly detects the flaw such as a surface crack or the like of a large-scaled structure on which a vehicle causing moving load runs by a simple apparatus constitution without establishing a foothold, and also without requiring a heating means such as an infrared irradiator or the like and a loading means for applying a load to the structure such as an exciting device or the like. SOLUTION: In detecting the flaw of the structure 4 on which the vehicle 7 causing moving load runs, an infrared camera 9 is installed on the vehicle 7 to photograph the structure 4, wherein a stress variation is caused by the running of the vehicle 7, is photographed by the infrared camera 9 and the variation of the surface temperature distribution of the structure 4 is measured as a heat image to detect the flaw present in the structure. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种结构的缺陷检测方法,其能够远程地,容易且肯定地检测引起移动负载的车辆运行的大型结构的诸如表面裂纹等的缺陷, 简单的装置结构,而不需要立足点,并且也不需要诸如红外线照射器等的加热装置和用于向诸如激励装置等的结构施加负载的装载装置。 解决方案:在检测引起移动负载的车辆7的结构4的缺陷的情况下,在车辆7上安装红外线摄像机9以拍摄结构4,其中由于行驶所引起的应力变化 车辆7由红外摄像机9拍摄,并且测量结构4的表面温度分布的变化作为热图像以检测结构中存在的缺陷。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Observation device for inside of combustion chamber in combustion furnace
    • 燃烧炉内燃烧室内观测装置
    • JP2007127359A
    • 2007-05-24
    • JP2005321660
    • 2005-11-07
    • Hitachi Zosen CorpOsaka Univ国立大学法人大阪大学日立造船株式会社
    • HAYASHI TETSUSHISATO TAKUROSAITO HIDEKIENDO HIDEKISAKAGAMI TAKAHIDE
    • F23M11/04F27B3/28F27D21/02
    • PROBLEM TO BE SOLVED: To eliminate necessity for provision of a relay lens which is expensive.
      SOLUTION: A lens barrel device 11 to be inserted through the wall of a combustion furnace is equipped with a first cylinder 21 fitted at the outer extremity with an infrared camera 12 or a visible ray camera 13 and furnished near the inner end with a window member 23 to admit passage of the beams of light, a convex mirror 25 installed in the center of an opening at the inner end of the first cylinder, a concave mirror 26 installed at the inner end of the first cylinder for the reflected light by the convex mirror to be reflected on the outer extremity of the first cylinder, a second cylinder 22 arranged at the periphery of the first cylinder in such a fashion as generating a ring-shaped space S, and a first 28 and a second gas supply pipe 29 connected with the respective cylinders for supplying the cooling gas into the first cylinder and the ring-shaped space.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了避免提供昂贵的中继透镜的必要性。 解决方案:插入通过燃烧炉壁的镜筒装置11配有安装在外端的第一气缸21,其具有红外摄像机12或可见光摄像机13,并在内端附近设置 用于允许光束通过的窗构件23,安装在第一气缸内端的开口中心的凸面镜25,安装在用于反射光的第一气缸内端的凹面镜26 通过凸出的反射镜被反射到第一气缸的外端上,第二气缸22以与产生环形空间S相同的方式布置在第一气缸的周边,第一气缸28和第二气体供给装置 管29与各个气缸连接,用于将冷却气体供应到第一气缸和环形空间中。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Defect inspection device
    • 缺陷检查装置
    • JP2010216829A
    • 2010-09-30
    • JP2009060786
    • 2009-03-13
    • Constec Engi CoOsaka Univ国立大学法人大阪大学株式会社コンステック
    • SAKAGAMI TAKAHIDEMATSUMOTO TOMOHIROKUBO SHIROSATO DAISUKE
    • G01N21/88G06T1/00
    • PROBLEM TO BE SOLVED: To provide a device for inspecting a defect such as a crack which is hard to capture only by a visible image. SOLUTION: A visible image taker and an infrared image taker 10 are both used to image the same object domains. Based on any one of infrared images, pattern analysis is performed by an infrared image defect part decision means 12 by using a density difference of an image to determine a defect part. A search domain including the defect part is set in the infrared image by an infrared image search domain setting means 14. Correspondingly to the search domain set in the infrared image, a search domain is set in each of a series of visible images by a visible image search domain setting means 4. With respect to the search domains set in the series of visible images, resolution enhancement is performed by a visible image resolution enhancement processing means 5. Based on the search domains in the series of resolution-enhanced visible images, pattern analysis is performed by a visible image defect part decision means 6 by using density differences of images to determine a defect part. Based on the search domains in the series of visible images, the size of the defect part is determined by a visible image defect size decision means 8. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于检查难以仅由可见图像捕获的裂纹等缺陷的装置。 解决方案:可见图像接收器和红外图像接收器10都用于对同一对象域进行成像。 基于红外图像中的任何一个,通过使用图像的浓度差来确定缺陷部分,由红外图像缺陷部分确定装置12执行图案分析。 通过红外图像搜索域设定单元14将包含缺陷部分的搜索域设置在红外图像中。对应于在红外图像中设置的搜索域,搜索域被设置在一系列可见图像中的每一个可见 图像搜索域设置装置4.关于在一系列可见图像中设置的搜索域,通过可视图像分辨率增强处理装置5执行分辨率增强。基于一系列分辨率增强的可见图像中的搜索域, 通过使用图像的浓度差来确定缺陷部分,由可视图像缺陷部分决定装置6执行图案分析。 基于可见图像系列中的搜索域,缺陷部分的大小由可见图像缺陷尺寸决定装置8确定。(C)2010,JPO和INPIT
    • 8. 发明专利
    • Nondestructive inspection method and device therefor
    • 非结构性检查方法及其设备
    • JP2007248394A
    • 2007-09-27
    • JP2006075453
    • 2006-03-17
    • Osaka Univ国立大学法人大阪大学
    • SAKAGAMI TAKAHIDE
    • G01N25/72
    • PROBLEM TO BE SOLVED: To provide a nondestructive inspection device capable of inspecting a defect on an inner face of a cylindrical body such as a cylinder, in a short time, and allowing thereby in-line total inspection.
      SOLUTION: This nondestructive inspection device 100 for inspecting nondestructively the defect on the inner face of the cylinder 200 is provided with a conical type omnidirectional mirror 101 inserted into an inside of the cylinder 200, a xenon tube 102 for applying a pulse-like heat load onto the inner face of the cylinder 200, an infrared camera 103 for measuring a temperature distribution of the inner face of the cylinder 200 just after the heat load is applied, via the conical type omnidirectional mirror 101, by an infrared thermography, and an analyzer 104 for analyzing the temperature distribution measured by the infrared camera 103 to specify the defect.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供能够在短时间内检查诸如气缸的圆筒体的内表面上的缺陷的非破坏性检查装置,从而允许在线全面检查。 解决方案:用于非破坏性地检查气缸200的内表面上的缺陷的非破坏性检查装置100设置有插入气缸200内部的锥形全向镜101,用于施加脉冲 - 像热负荷一样,通过红外热像仪,用于通过圆锥形全向反射镜101测量恰好在加热负载之后的气缸200的内表面的温度分布的红外照相机103, 以及用于分析由红外线摄像机103测量的温度分布以指定缺陷的分析器104。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Method and device for detecting defect of structure
    • 用于检测结构缺陷的方法和装置
    • JP2007163390A
    • 2007-06-28
    • JP2005362589
    • 2005-12-16
    • Jfe Steel KkJfeスチール株式会社Osaka Univ国立大学法人大阪大学
    • ISHINO KAZUNARIKABEYA KAZUHISAKAWASHIMA KOJISAKAGAMI TAKAHIDE
    • G01M99/00G01N25/72
    • PROBLEM TO BE SOLVED: To surely detect defects of a large structure from a remote position with a simple device configuration, without having to construct scaffolds for detecting defects, a heating means such as infrared irradiation, and an applying means for a load to a structure, such as an excitation system.
      SOLUTION: Stress fluctuations are generated, by applying a moving load 7 to the structure 1 of an object to be detected; temperature distribution fluctuation in the structure 4 is generated by the thermoelastic effects or plastic heat generation, depending on the stress fluctuations are measured as a thermal image; the stress fluctuations are grasped, based on the temperature distribution fluctuations; and then defects of the object are detected.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过简单的装置结构,从远程位置确实地检测到大结构的缺陷,而不必构造用于检测缺陷的支架,诸如红外辐射的加热装置和用于负载的施加装置 涉及诸如激励系统的结构。 解决方案:通过将移动负载7施加到被检测物体的结构1,产生应力波动; 通过热弹性效应或塑性发热产生结构4中的温度分布波动,取决于应力波动作为热图像被测量; 根据温度分布波动掌握应力波动; 然后检测物体的缺陷。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Method and apparatus for detecting defect in steel structure
    • 检测钢结构缺陷的方法和装置
    • JP2006098283A
    • 2006-04-13
    • JP2004286303
    • 2004-09-30
    • Jfe Steel KkJfeスチール株式会社Osaka Univ国立大学法人大阪大学
    • SAKAGAMI TAKAHIDEKUBO SHIROISHINO KAZUNARIKABEYA KAZUHISAKURIHARA YASUYUKIKAWASHIMA KOJI
    • G01N25/72G01J5/48
    • PROBLEM TO BE SOLVED: To detect defects, such as surface cracks, generated in a large steel structure, such as a bridge and each kind of cargo handling equipment, remotely, easily, and reliably by a simple apparatus configuration without assembling a scaffold for defect detection work, without requiring any heating means of the steel structure, and without requiring any means for applying a load to the steel structure, such as a shaking apparatus.
      SOLUTION: In a defect detection method for remotely detecting defects S that are present in a girder 4 of a ceiling crane as a large steel structure, the girder 4 for causing repetitive stress variations by the drive of a crane carriage 7 is photographed by an infrared camera 9, and temperature distribution variations on the surface of the girder 4 are measured as images, thus detecting defects present in the ceiling crane.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过简单的装置配置远程,容易和可靠地检测诸如桥梁和各种货物处理设备等大型钢结构中产生的诸如表面裂纹的缺陷,而不需要组装 用于缺陷检测工作的支架,而不需要钢结构的任何加热装置,并且不需要任何用于对诸如振动装置的钢结构施加负载的装置。 解决方案:在用于远程检测作为大型钢结构的天花板起重机的梁4中存在的缺陷S的缺陷检测方法中,通过起重机滑架7的驱动引起重复应力变化的梁4被拍摄 通过红外线摄像机9,将大梁4的表面上的温度分布变化作为图像进行测量,从而检测天花板起重机中存在的缺陷。 版权所有(C)2006,JPO&NCIPI