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    • 61. 发明专利
    • Apparatus for evaluating laser welding quality, and process and equipment for laser welding
    • 用于评估激光焊接质量的装置,以及用于激光焊接的工艺和设备
    • JP2003290946A
    • 2003-10-14
    • JP2002104353
    • 2002-04-05
    • Toyota Motor Corpトヨタ自動車株式会社
    • MATSUMOTO SEIICHI
    • B23K26/00
    • PROBLEM TO BE SOLVED: To improve evaluation accuracy in an apparatus which evaluates the quality of a laser welding on the basis of the detection signal of an AE (acoustic emission) sensor. SOLUTION: A pressure roller 20 presses around the weld zone 32 of objects to be welded 30 to thereby bring the objects to be welded 30 into close contact with each other, and improves welding efficiency. An AE sensor 22 is provided in a shaft supporting part 18 which supports the rotary shaft of the pressure roller 20. An AE wave produced in the weld zone 32 propagates the pressure roller 20 and the shaft supporting part 18, and is detected with the AE sensor 22. The attenuation of the AE wave decreases and the S/N ratio of the detection signal of the AE sensor 22 improves, because an airspace is not inserted on the way. A detection is always performed on a fixed conditions, because the AE sensor 22 always exists in a fixed positional relationship to the weld zone 32. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提高基于AE(声发射)传感器的检测信号来评价激光焊接的质量的装置的评价精度。 解决方案:压力辊20压在待焊接物体30的焊接区域32周围,从而使待焊接物体30彼此紧密接触,并提高焊接效率。 AE传感器22设置在支撑压力辊20的旋转轴的轴支撑部18中。在焊接区32中产生的AE波传播加压辊20和轴支撑部18,并且用AE检测 传感器22. AE波的衰减减小,AE传感器22的检测信号的S / N比改善,因为没有在空中插入空域。 始终在固定状态下进行检测,因为AE传感器22总是以与焊接区32固定的位置关系存在。版权所有(C)2004,JPO
    • 62. 发明专利
    • Exhaust gas analyzer and exhaust gas analyzing method
    • 排气分析仪和排气分析方法
    • JP2013061358A
    • 2013-04-04
    • JP2013001881
    • 2013-01-09
    • Toyota Motor Corpトヨタ自動車株式会社Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MATSUMOTO SEIICHIYAMAKAGE MASAHIROFUKADA SEIASAUMI SHINICHIRODEGUCHI YOSHIHIROMUTA KENJIFUKUDA NORIHIRO
    • G01N21/3504G01N21/35
    • PROBLEM TO BE SOLVED: To provide an exhaust gas analyzer with improved accuracy of detecting an actually-measured temperature and measuring the concentration of a component in the exhaust gas, and to provide an exhaust gas analyzing method.SOLUTION: The exhaust gas analyzer includes: a measuring part 5 that irradiates exhaust gas in an exhaust passage 3 with a laser beam and receives the laser beam passing through the exhaust gas; a temperature sensor 55 arranged in the exhaust passage 3 on the upstream of the measuring part 5 to detect an actually-measured temperature T1 of the exhaust gas in the exhaust passage 3; a differential optical detector 64 that detects an absorption spectrum of the laser beam absorbed in the exhaust gas, on the basis of the laser beam received in the measuring part 5; a temperature calculation part 70 that calculates a theoretical temperature T2 of the exhaust gas, on the basis of the absorption spectrum detected by the differential optical detector 64; and a component concentration calculation part 73 that calculates the component concentration C of the exhaust gas by use of the actually-measured temperature T1 detected by the temperature sensor 55 when the concentration of a predetermined component in the exhaust gas is low, or by use of the theoretical temperature T2 calculated by the temperature calculation part 70 when the concentration of the predetermined component in the exhaust gas is high.
    • 要解决的问题:为了提供一种废气分析仪,其具有提高的检测实际测量温度的精度并测量废气中的组分的浓度,并提供废气分析方法。 解决方案:废气分析仪包括:测量部分5,其用激光束照射排气通道3中的废气并接收通过废气的激光束; 布置在测量部件5上游的排气通道3中的温度传感器55,以检测排气通道3中排气的实测温度T1; 基于接收在测量部5中的激光束,检测吸收在排气中的激光束的吸收光谱的差分光检测器64; 基于由差分光检测器64检测的吸收光谱计算排气的理论温度T2的温度计算部70; 以及成分浓度计算部73,当废气中的规定成分的浓度低时,利用由温度传感器55检测到的实测温度T1来计算废气的成分浓度C,或者使用 当排气中的预定组分的浓度高时由温度计算部70计算的理论温度T2。 版权所有(C)2013,JPO&INPIT
    • 63. 发明专利
    • Position adjusting method for distance sensor of thickness measuring instrument
    • 厚度测量仪器的距离传感器位置调整方法
    • JP2009271012A
    • 2009-11-19
    • JP2008123839
    • 2008-05-09
    • Toyota Motor Corpトヨタ自動車株式会社
    • ARAKI TAKAMASAMATSUMOTO SEIICHIFUJIMAKI HISATAKAMIURA YUZOHAGINO TOMOOMIZOGAMI KAZUNORIKAWAKI HIROYUKIKAMATA SHINYAKUROKI SHINYA
    • G01B11/06
    • PROBLEM TO BE SOLVED: To provide a position adjusting method for aligning optical axis accurately even when measuring a thick object in a thickness measuring device.
      SOLUTION: This position adjusting method for adjusting positions of a first distance sensor and a second distance sensor of the thickness measuring device includes an arrangement step, a first adjusting step, and a second adjusting step. In the arrangement step, a half mirror is arranged between the first distance sensor and the second distance sensor. In the first adjusting step, positions of the first and second distance sensors are adjusted to set the distance between a surface of the half mirror and the first distance sensor to be equal to the distance between a rear surface of the half mirror and the second distance sensor. In the second adjusting step, relative positions of the first and second distance sensors in the direction parallel with the half mirror in a measuring plane are adjusted based on the values obtained by measuring by the second distance sensor when detecting distribution of intensity of the light emitted from a first light emitting element and passing through the half mirror by a second light receiving element array.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种即使在厚度测量装置中测量厚物体时也能精确对准光轴的位置调整方法。 解决方案:用于调整厚度测量装置的第一距离传感器和第二距离传感器的位置的位置调整方法包括布置步骤,第一调节步骤和第二调节步骤。 在布置步骤中,在第一距离传感器和第二距离传感器之间设置半反射镜。 在第一调整步骤中,调整第一和第二距离传感器的位置,以将半反射镜的表面与第一距离传感器之间的距离设定为等于半反射镜的后表面与第二距离之间的距离 传感器。 在第二调整步骤中,基于在检测到发出的光的强度的分布时由第二距离传感器测量得到的值来调整第一和第二距离传感器在与测量平面中的半反射镜平行的方向上的相对位置 从第一发光元件通过第二光接收元件阵列通过半反射镜。 版权所有(C)2010,JPO&INPIT
    • 64. 发明专利
    • Gas concentration measuring method and gas concentration measuring instrument in internal combustion engine
    • 气体浓度测量方法和气体浓度测量仪在内燃机
    • JP2009203874A
    • 2009-09-10
    • JP2008046847
    • 2008-02-27
    • Mitsubishi Heavy Ind LtdToyota Motor Corpトヨタ自動車株式会社三菱重工業株式会社
    • YAMAKAGE MASAHIROMATSUMOTO SEIICHIFUKADA SEIMUTA KENJITAURA MASAZUMI
    • F02D45/00F02M25/07
    • Y02T10/121
    • PROBLEM TO BE SOLVED: To provide a technique regarding gas concentration measurement capable of measuring and monitoring gas behavior on a real-time basis in regard to, for example, one combustion in an internal combustion engine, capable of grasping fluctuation between cycles, fluctuation between cylinders, or the like in regard to gas behavior, and capable of leading to optimization in regard to combustion control of the internal combustion engine.
      SOLUTION: In a gas concentration measuring method in an engine 1 (the internal combustion engine), a laser beam for gas concentration measurement is irradiated on concentration measurement object gas, and gas concentration of the concentration measurement object gas is measured by using the gas concentration measuring instrument equipped with a sensor part 30 receiving the laser beam transmitted through the concentration measurement object gas. By providing the sensor part 30 with respect to an intake passage 8 interior and an exhaust passage 9 interior of the engine 1, the concentration measurement object gas is divided in the intake gas and exhaust gas of the engine 1, and the gas concentration of the concentration measurement object gas is measured by responsiveness faster than a time required for one combustion of the engine 1.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种关于气体浓度测量技术,其能够针对例如内燃机中的一次燃烧实时地测量和监测气体行为,能够掌握循环之间的波动 ,气缸之间的波动等,并且能够导致关于内燃机的燃烧控制的优化。 解决方案:在发动机1(内燃机)的气体浓度测量方法中,将浓度测量对象气体照射用于气体浓度测量的激光束,并且通过使用浓度测量对象气体来测量浓度测量对象气体的气体浓度 该气体浓度测量仪器配备有传感器部件30,该传感器部件30接收通过浓度测量对象气体传输的激光束。 通过相对于发动机1内部的进气通路8和排气通路9设置传感器部30,将浓度测量对象气体分成发动机1的进气和排气,并且, 浓度测量对象气体通过响应速度比发动机1的一次燃烧所需的时间更快地测量。版权所有(C)2009,JPO&INPIT
    • 65. 发明专利
    • Combustion chamber measuring device for internal-combustion engine
    • 用于内燃机的燃烧室测量装置
    • JP2009175024A
    • 2009-08-06
    • JP2008014675
    • 2008-01-25
    • Toyota Motor Corpトヨタ自動車株式会社
    • MATSUMOTO SEIICHIYAMAKAGE MASAHIROMUTA KENJI
    • G01M15/02G01M15/04G01M15/08G01N21/59
    • PROBLEM TO BE SOLVED: To provide a combustion chamber measuring device of an internal-combustion engine for accurately measuring state (for example, the temperature distribution, chemical species, and its concentration) of the inside of the combustion chamber of the internal-combustion engine, during operation.
      SOLUTION: This combustion chamber measuring device 1 includes a light-projecting section 10, that is disposed on the inner peripheral surface of the combustion chamber 110 of the internal-combustion engine 100 and projects light, while the projection angle θ to a head surface 104a of a piston 104 is varied, in response to the rotation angle (phase) of a crankshaft 106 connected to the piston 104, facing the combustion chamber 110 via a connecting rod 105; and a light-receiving section 20, that is disposed on the head surface 104a of the piston 104 and receives the light projected by the light-projecting section 10.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供内燃机的燃烧室测量装置,用于精确地测量内部燃烧室内部的内部的状态(例如,温度分布,化学物种和其浓度) 燃烧发动机。 解决方案:该燃烧室测量装置1包括设置在内燃机100的燃烧室110的内周面上并投射光的投光部10,而投影角θ为a 响应于连接到活塞104的曲轴106的旋转角(相位),经由连杆105面对燃烧室110,活塞104的头表面104a变化。 和光接收部分20,其设置在活塞104的头表面104a上并且接收由投光部分10投射的光。版权所有(C)2009,JPO&INPIT
    • 68. 发明专利
    • Method and device for evaluating quality of laser beam welding
    • 用于评估激光束焊接质量的方法和装置
    • JP2006082129A
    • 2006-03-30
    • JP2004271860
    • 2004-09-17
    • Toyota Central Res & Dev Lab IncToyota Motor Corpトヨタ自動車株式会社株式会社豊田中央研究所
    • MATSUMOTO SEIICHISANPEI KAZUHISAAWANO YOSHIROKAWAKI HIROYUKIKITAYAMA KOJIISHII YASUHIRO
    • B23K26/00B23K31/00
    • PROBLEM TO BE SOLVED: To surely recognize the situation of the generation of blow out from image picking-up picture. SOLUTION: A CCD camera 8 for receiving the reflected light B of a laser beam A which is reflected from a laser beam irradiation area through an optical filter 7 is fixed to a laser beam torch 1 for irradiating a material W to be welded with the laser beam and the image of a molten pool 5 including a key hole 4 and its periphery are picked up by the CCD camera 8. The picked-up image is sent to an image analyzing means 11 in a signal processor 9 and the positional variation of a back high luminance part which is located on the backside in the welding direction is calculated. Thereupon, arithmetic results (fluctuating frequency, the range of fluctuation, etc.) obtained by the image analyzing means 11 are compared with a preliminarily stored threshold value by the quality judging means 12 and it is judged that the blow out is generated in the case the arithmetic results exceed the threshold value. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:肯定地认识到从图像拍摄图像中产生吹出的情况。 解决方案:用于接收从激光束照射区域通过滤光器7反射的激光束A的反射光B的CCD照相机8被固定到用于照射待焊接的材料W的激光束炬1 激光束和包括键孔4及其周边的熔池5的图像由CCD照相机8拾取。拾取图像被发送到信号处理器9中的图像分析装置11,并且位置 计算位于焊接方向的背面的背部高亮度部的变化。 于是,由图像分析装置11获得的算术结果(波动频率,波动范围等)与质量判断装置12的预先存储的阈值进行比较,并且判断在这种情况下产生吹出 算术结果超过阈值。 版权所有(C)2006,JPO&NCIPI
    • 69. 发明专利
    • Gas flow measurement method and device in fuel cell
    • 气体流量测量方法和燃料电池中的装置
    • JP2005123101A
    • 2005-05-12
    • JP2003358617
    • 2003-10-20
    • Toyota Motor Corpトヨタ自動車株式会社
    • MATSUMOTO SEIICHIUEDA HIROSHIHIRAKAWA TAKAHIRO
    • G01P5/20G01N21/80G01P13/00H01M8/04H01M8/10
    • G01N21/80
    • PROBLEM TO BE SOLVED: To provide a gas flow measurement method and its device of a fuel cell (in a gas-flow channel in a direction toward inside a cell face and/or in a diffusion layer) free from flow-channel clogging and capable of discerning a tip of a flow. SOLUTION: The gas flow measurement method and device in the fuel cell makes gas with an alkaline or acidic matter contained flow in a fuel cell model 19M (1) equipped with electrolyte, a separator, and a collector, with the separator 18M made of a transparent plate and with either the separator or the collector coated with a pH indicator, images changes of colors of the pH indicator at the time of gas flow with a camera 2, and analyzes the gas flow through an image process by taking in the images taken with the camera 2 into a computer 3. The image analysis by the computer (2) includes downloading of images, background subtraction, contour extraction, and background addition. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了提供一种气流测量方法及其装置,其在没有流动通道的情况下提供燃料电池(在气体流动通道中朝向细胞面内部和/或扩散层内的方向) 堵塞并且能够辨别流的尖端。 解决方案:燃料电池中的气体流量测量方法和装置使含有碱性或酸性物质的气体在装有电解质,隔膜和集电器的燃料电池模型19M(1)中流动,分离器18M 由透明板制成,分离器或集尘器涂覆有pH指示剂,用摄像机2对气体流动时pH指示剂的颜色变化进行图像分析,并通过摄取进行图像处理分析气流 使用相机2拍摄的图像进入计算机3.计算机(2)的图像分析包括图像的下载,背景减除,轮廓提取和背景添加。 版权所有(C)2005,JPO&NCIPI