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    • 8. 发明专利
    • Object volumetric change measurement method
    • 对象体积变化测量方法
    • JP2012225744A
    • 2012-11-15
    • JP2011093027
    • 2011-04-19
    • Research Institute Of Innovative Technology For The EarthNeubrex Co Ltdニューブレクス株式会社公益財団法人地球環境産業技術研究機構
    • SETSU JIKYUUYAMAUCHI YOSHIAKIKISHIDA KINZO
    • G01F17/00
    • PROBLEM TO BE SOLVED: To provide a method for accurately measuring the volumetric change and change distribution of an object whose volumetric change degree and change distribution are unknown.SOLUTION: Relation between a volumetric change and a frequency shift amount per unit pressure concerning a reference member is obtained by reference Brillouin measurement or reference Rayleigh measurement. A Brillouin measurement coefficient α, a Rayleigh measurement coefficient α, and a common coefficient β' which are to be calibration data are acquired from the obtained result. Sample Brillouin measurement or sample Rayleigh measurement in the same manner is performed with respect to a sample member whose volumetric change is unknown, thereby to acquire a Brillouin frequency shift amount Δν, pressure P, and Rayleigh frequency shift amount Δν. The actual value, the coefficients α, α, and β' are substituted into a predetermined numerical formula, thereby to acquire the volumetric change of the sample member 10, such as a volumetric distortion e or a volume modulus K.
    • 要解决的问题:提供一种准确测量体积变化程度和变化分布未知的物体的体积变化和变化分布的方法。 解决方案:通过参考布里渊测量或参考瑞利测量获得关于参考构件的体积变化和每单位压力的频移量之间的关系。 布里渊测量系数α B ,瑞利测量系数α R ,以及要作为校准数据的公共系数β' 从获得的结果中获得。 对于体积变化未知的样品构件,以相同的方式进行样品布里渊测量或样品瑞利测量,从而获得布里渊频移量Δν B ,压力P ,瑞利频移量Δν R 。 将实际值,系数α B ,α R 和β'代入预定的数值公式,从而获得 样品构件10的体积变化,例如体积变形e或体积模量K.版权所有:(C)2013,JPO&INPIT
    • 10. 发明专利
    • Fiber optic sensor cable for distributed pressure sensor
    • 用于分布式压力传感器的光纤传感器电缆
    • JP2010032358A
    • 2010-02-12
    • JP2008194717
    • 2008-07-29
    • Fujikura LtdNeubrex Co Ltdニューブレクス株式会社株式会社フジクラ
    • SAYAMA TADAYOSHIKOBAYASHI KAZUNAGA
    • G01L11/02
    • PROBLEM TO BE SOLVED: To provide a fiber optic sensor cable for a distributed pressure sensor which can detect an accurate pressure value by compensating for changes in temperature and tensile force.
      SOLUTION: The fiber optic sensor cable for a distributed pressure sensor 1 includes: a tensile force compensation unit 2 having a tensile force compensation optical fiber 3; a temperature compensation optical fiber 7 which is spirally wound around its outside; an intermediate layer 8 for covering the outer periphery of the tensile force compensation unit 2 and the temperature compensation optical fiber 7; a foam layer 9 for covering the entire outer periphery of the intermediate layer 8; a skin layer 10 for covering the entire outer periphery of the foam layer 9; a pressure detection optical fiber 11 which is spirally wound around the skin layer 10; and a sheath 12 for covering the outer periphery of the skin layer 10 and the pressure detection optical fiber 11. The tensile force compensation unit 2 includes a tensile force compensation optical fiber 3 and a tensile strength member 4 therewithin, wherein the tensile strength member 4 is longitudinally accompanied by the tensile force compensation optical fiber 3, and the two are integrated within unit covering members 5, 6 in a solid manner.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供用于分布式压力传感器的光纤传感器电缆,其可以通过补偿温度和张力的变化来检测精确的压力值。 解决方案:用于分布式压力传感器1的光纤传感器电缆包括:具有拉力补偿光纤3的拉力补偿单元2; 围绕其外部螺旋地卷绕的温度补偿光纤7; 用于覆盖拉力补偿单元2和温度补偿光纤7的外周的中间层8; 用于覆盖中间层8的整个外周的泡沫层9; 用于覆盖泡沫层9的整个外周的表层10; 卷绕在皮肤层10周围的压力检测光纤11; 以及用于覆盖表皮层10和压力检测光纤11的外周的护套12.拉力补偿单元2包括拉力补偿光纤3和其中的拉伸强度构件4,其中拉伸强度构件4 纵向伴随着拉力补偿光纤3,两者以固体方式集成在单元覆盖部件5,6内。 版权所有(C)2010,JPO&INPIT