公开(公告)号：EP2913645B1

公开(公告)日：2017-03-22

申请号：EP12887193.6

申请日：2012-10-23

申请人： Fujitsu Limited

发明人： UNO, Kazushi ,  TAKEI, Fumio ,  KASAJIMA, Takeo ,  TADAKI, Kyouko ,  ISHINABE, Minoru

IPC分类号： G01K11/12 ,  G01K11/32 ,  G01D5/353 ,  G01L1/24 ,  G01N25/72 ,  G01N21/47 ,  G01N21/95

CPC分类号： G01N21/95 ,  G01B11/16 ,  G01D5/35364 ,  G01K11/32 ,  G01L1/24 ,  G01N21/47 ,  G01N25/72 ,  G01N2201/08 ,  G01N2201/12

摘要： [Problem] To provide an abnormality detection system and an abnormality detection method which are capable of detecting abnormality at an early stage, the abnormality occurring in a facility such as a chemical plant, an oil refinery plant, or a thermal power plant. [Solving Means] An abnormality detection system includes an optical fiber 24, a Raman scattered light detection unit 20, and a data processing unit 30. The Raman scattered light detection unit 20 is configured to detect Stokes light and anti-Stokes light which are generated in the optical fiber 24 and to output data on the intensity distribution of the Stokes light in the optical fiber 24 in the length direction thereof and data on the intensity distribution of the anti-Stokes light in the optical fiber 24 in the length direction. The data processing unit 30 is configured to calculate the product of a value obtained by applying an FIR (Finite Impulse Response) filter to the intensity distribution of the Stokes light in the optical fiber 24 in the length direction, and a value obtained by applying the FIR filter to the intensity distribution of the anti-Stokes light in the optical fiber 24 in the length direction for each of locations on the optical fiber 24 in the length direction, and to determine whether or not abnormality is present based on the result of the calculation.

摘要翻译： [问题]为了在异常检测系统和异常检测方法提供的是能够在早期，异常在设施发生的异常检测的：如化工厂，计划到炼油厂，或热电厂。 [解决手段]一种异常检测系统，包括在光纤24中，拉曼散射光检测单元20，和数据处理单元30拉曼散射光检测单元20被配置成检测产生哪斯托克斯光以及反斯托克斯光 在光纤24和对斯托克斯光在光纤24在长度方向上的强度分布和数据在光纤24在长度方向上的反斯托克斯光的强度分布的输出数据。 数据处理单元30被配置为计算通过施加到FIR获得的值的乘积（有限脉冲响应）滤波器，以在光纤24在长度方向上的斯托克斯光的强度分布，并且通过将所获得的值 FIR滤波器的反斯托克斯光在光纤24在长度方向上的每一个上的光纤24在长度方向上的位置的强度分​​布，并确定矿是否存在异常基于所述结果 计算。

公开(公告)号：EP2653797B1

公开(公告)日：2017-11-29

申请号：EP10860771.4

申请日：2010-12-15

申请人： Fujitsu Limited

发明人： UNO, Kazushi ,  TAKEI, Fumio ,  KASAJIMA, Takeo ,  KASHIKAWA, Takahiro ,  ISHINABE, Minoru ,  TADAKI, Kyouko

IPC分类号： F24F11/053 ,  F24F13/10 ,  H05K7/20

CPC分类号： F24F11/0001 ,  H05K7/20745 ,  H05K7/20836

摘要： [Object] There are provided an air volume adjustment device and an air-conditioning control system, which can further reduce power consumption in a facility such as a data center. [Solution] An air volume adjustment device 20 is located at a vent for connecting an equipment installation area, where a rack for housing computers is installed, to a free access floor provided below a floor of the equipment installation area and supplied with low-temperature air from an air conditioner. The air volume adjustment device 20 includes an air volume adjustment sheet 22 provided with an opening 27 to allow passage of air, a first roll 21a connected to one end portion of the air volume adjustment sheet 22 and made capable of reeling in the air volume adjustment sheet 22, and a second roll 21b located away from the first roll 21a, connected to another end portion of the air volume adjustment sheet 22, and made capable of reeling in the air volume adjustment sheet 22.

公开(公告)号：EP2752649A1

公开(公告)日：2014-07-09

申请号：EP11871413.8

申请日：2011-08-31

申请人： Fujitsu Limited

发明人： KASAJIMA, Takeo ,  UNO, Kazushi ,  ISHINABE, Minoru ,  TADAKI, Kyoko ,  TAKEI, Fumio

IPC分类号： G01K11/12

CPC分类号： G01K11/32 ,  G01K15/00

摘要： [Object] To provide a temperature distribution measurement system, a temperature distribution measurement apparatus, and a temperature distribution measurement method capable of easily evaluating the appropriateness of a transfer function used in correcting a measured temperature distribution.
[Solving Means] A temperature distribution measurement system includes an optical fiber 24, a laser light source 21 optically connected to the optical fiber 24, a photodetector 26 configured to detect light backscattered in the optical fiber 24, and a temperature distribution measurement unit 27 configured to perform correction calculation using a transfer function on a measured temperature distribution obtained from an output from the photodetector 26. The actual temperature distribution measurement unit 27 acquires an actual temperature distribution in a location where the optical fiber 24 is laid and determines appropriateness of the transfer function by computing a difference between the measured temperature distribution after the correction and the actual temperature distribution.

摘要翻译： 提供能够容易地评价用于校正测定温度分布的传递函数的适当性的温度分布测量系统，温度分布测量装置和温度分布测量方法。 [解决方案]温度分布测量系统包括光纤24，与光纤24光学连接的激光源21，被配置为检测光纤24中的背向散射光的光电检测器26以及配置在光纤24中的温度分布测量单元27 根据从光电检测器26的输出获得的测量温度分布，使用传递函数执行校正计算。实际温度分布测量单元27获取放置光纤24的位置处的实际温度分布，并确定转印的适当性 通过计算校正后的测量温度分布与实际温度分布之间的差异来实现。

公开(公告)号：EP2653797A1

公开(公告)日：2013-10-23

申请号：EP10860771.4

申请日：2010-12-15

申请人： Fujitsu Limited

发明人： UNO, Kazushi ,  TAKEI, Fumio ,  KASAJIMA, Takeo ,  KASHIKAWA, Takahiro ,  ISHINABE, Minoru ,  TADAKI, Kyouko

IPC分类号： F24F11/053 ,  F24F13/10

CPC分类号： F24F11/0001 ,  H05K7/20745 ,  H05K7/20836

摘要： [Object]
There are provided an air volume adjustment device and an air-conditioning control system, which can further reduce power consumption in a facility such as a data center.
[Solution]
An air volume adjustment device 20 is located at a vent for connecting an equipment installation area, where a rack for housing computers is installed, to a free access floor provided below a floor of the equipment installation area and supplied with low-temperature air from an air conditioner. The air volume adjustment device 20 includes an air volume adjustment sheet 22 provided with an opening 27 to allow passage of air, a first roll 21a connected to one end portion of the air volume adjustment sheet 22 and made capable of reeling in the air volume adjustment sheet 22, and a second roll 21b located away from the first roll 21a, connected to another end portion of the air volume adjustment sheet 22, and made capable of reeling in the air volume adjustment sheet 22.

摘要翻译： 提供了一种风量调节装置和空调控制系统，其可以进一步降低诸如数据中心的设施的功率消耗。 [解决方案]风量调节装置20位于通风口处，用于将设置有用于安装计算机的机架的设备安装区域连接到设置在设备安装区域的地板下方的自由通道地板，并提供低温 来自空调的空气 风量调节装置20包括设置有允许空气通过的开口27的风量调节片22，连接到风量调节片22的一个端部并能够卷绕在空气体积调节中的第一辊21a 片材22和位于远离第一辊21a的第二辊21b，连接到风量调节片22的另一端部，并且能够卷绕在风量调节片22中。

公开(公告)号：EP2431719B1

公开(公告)日：2018-07-04

申请号：EP09844055.5

申请日：2009-12-22

申请人： Fujitsu Limited

发明人： KASAJIMA, Takeo ,  UNO, Kazushi ,  TAKEI, Fumio

IPC分类号： G01K11/32 ,  G01K15/00

CPC分类号： G01K11/32 ,  G01K15/00 ,  G01K2011/324

摘要： [Object] To measure a temperature with high accuracy by a temperature measurement system and a temperature measurement method. [Solving Means] The object is achieved by a temperature measurement system including: a laser light source 21 configured to output laser light; an optical fiber 24 installed in a temperature measurement area; and a temperature measurement unit 27 configured to acquire a measured temperature distribution of a temperature of the temperature measurement area along an installation path of the optical fiber 24 by detecting backscattered light of the incident laser light in the optical fiber 24 and to calculate a corrected temperature distribution by correcting the measured temperature distribution, wherein the temperature measurement unit 27 sequentially makes a correction for the measured temperature distribution a plurality of times so as to make a square error between a convolution of a transfer function of the optical fiber 24 along the installation path and the corrected temperature distribution and the measured temperature distribution smaller in each of the corrections, and the temperature measurement unit also replaces a corrected temperature at a specific point of the installation path with an estimated temperature at the specific point in each of the corrections.

公开(公告)号：EP2913646A1

公开(公告)日：2015-09-02

申请号：EP12887214.0

申请日：2012-10-26

申请人： Fujitsu Limited

发明人： UNO, Kazushi ,  TAKEI, Fumio ,  KASAJIMA, Takeo ,  TADAKI, Kyouko ,  ISHINABE, Minoru

IPC分类号： G01K11/12 ,  G01K11/32

CPC分类号： G01K11/3206 ,  G01K3/10 ,  G01K11/32 ,  G01K2011/324 ,  G01N25/72

摘要： [Problem] To provide an temperature measurement system and an abnormality detection method which are capable of detecting abnormality at an early stage, the abnormality occurring in a facility such as a chemical plant, an oil refinery plant, or a thermal power plant.
[Solving Means] A temperature measurement system includes an optical fiber 30, a temperature distribution measurement apparatus 31, and a data processing apparatus 32. The temperature distribution measurement apparatus 31 is configured to detect backscattered light by causing light to enter the optical fiber 30, and acquire the temperature distribution of the optical fiber 30 in the length direction thereof based on the result of the detection. The data processing apparatus 32 is configured to store therein the temperature distribution acquired by the temperature distribution measurement apparatus 31, perform signal processing on a difference temperature distribution obtained by computing the difference between a current temperature distribution and a past temperature distribution, and determine whether or not abnormality is present based on the result of the signal processing.

摘要翻译： 提供能够在早期阶段检测异常的温度测量系统和异常检测方法，在化工厂，炼油厂或火力发电厂等设施中发生异常。 [解决方法]温度测量系统包括光纤30，温度分布测量设备31和数据处理设备32.温度分布测量设备31被配置为通过使光进入光纤30来检测反向散射光， 并基于检测结果来获取光纤30的长度方向上的温度分布。 数据处理设备32被配置为在其中存储由温度分布测量设备31获取的温度分布，对通过计算当前温度分布和过去温度分布之间的差异获得的差分温度分布执行信号处理，并且确定是否 基于信号处理的结果，不存在异常。

公开(公告)号：EP2913645A1

公开(公告)日：2015-09-02

申请号：EP12887193.6

申请日：2012-10-23

申请人： Fujitsu Limited

发明人： UNO, Kazushi ,  TAKEI, Fumio ,  KASAJIMA, Takeo ,  TADAKI, Kyouko ,  ISHINABE, Minoru

IPC分类号： G01K11/12 ,  G01K11/32 ,  G01D5/353 ,  G01L1/24

CPC分类号： G01N21/95 ,  G01B11/16 ,  G01D5/35364 ,  G01K11/32 ,  G01L1/24 ,  G01N21/47 ,  G01N25/72 ,  G01N2201/08 ,  G01N2201/12

摘要： [Problem] To provide an abnormality detection system and an abnormality detection method which are capable of detecting abnormality at an early stage, the abnormality occurring in a facility such as a chemical plant, an oil refinery plant, or a thermal power plant.
[Solving Means] An abnormality detection system includes an optical fiber 24, a Raman scattered light detection unit 20, and a data processing unit 30. The Raman scattered light detection unit 20 is configured to detect Stokes light and anti-Stokes light which are generated in the optical fiber 24 and to output data on the intensity distribution of the Stokes light in the optical fiber 24 in the length direction thereof and data on the intensity distribution of the anti-Stokes light in the optical fiber 24 in the length direction. The data processing unit 30 is configured to calculate the product of a value obtained by applying an FIR (Finite Impulse Response) filter to the intensity distribution of the Stokes light in the optical fiber 24 in the length direction, and a value obtained by applying the FIR filter to the intensity distribution of the anti-Stokes light in the optical fiber 24 in the length direction for each of locations on the optical fiber 24 in the length direction, and to determine whether or not abnormality is present based on the result of the calculation.

摘要翻译： 本发明提供一种能够在早期检测出异常的异常检测系统和异常检测方法，以及在化工厂，炼油厂或火力发电站等设施中发生的异常。 [解决方法]异常检测系统包括光纤24，拉曼散射光检测单元20和数据处理单元30.拉曼散射光检测单元20被配置为检测产生的斯托克斯光和反斯托克斯光 并输出光纤24的长度方向的斯托克斯光的强度分布的数据和长度方向的光纤24的反斯托克斯光的强度分布的数据。 数据处理单元30被配置为计算通过将FIR（有限脉冲响应）滤波器应用于光纤24中的斯托克斯光的长度方向上的强度分布而获得的值与通过将 FIR滤波器对长度方向上的光纤24中的反斯托克斯光的长度方向上的各个位置处的长度方向上的强度分布进行比较，并基于该结果，判断是否存在异常 计算。

公开(公告)号：EP2746741A1

公开(公告)日：2014-06-25

申请号：EP11870967.4

申请日：2011-08-15

申请人： Fujitsu Limited

发明人： KASAJIMA, Takeo ,  UNO, Kazushi ,  ISHINABE, Minoru ,  TADAKI, Kyoko ,  TAKEI, Fumio

IPC分类号： G01K11/12

CPC分类号： G01K11/32 ,  G01K2011/324

摘要： [Object] To provide a temperature distribution measurement apparatus and a temperature distribution measurement method capable of easily setting an appropriate transfer function in response to a change in the entire length of an optical fiber.
[Solving Means] A temperature distribution measurement apparatus 20 includes a laser light source 21 optically connected to an optical fiber 24, a photodetector 26 configured to detect light backscattered in the optical fiber 24, and a temperature distribution measurement unit 27 configured to obtain a true measured temperature distribution by performing correction calculation using a transfer function on a temporary measured temperature distribution obtained based on an output from the photodetector 26. The temperature distribution measurement unit 27 stores therein data on a transfer function set for each entire length of the optical fiber 24 and for each longitudinal position in the optical fiber 24. Then, when the length of the optical fiber 24 is changed, the temperature distribution measurement unit 27 changes the transfer function to be used in the correction calculation by using the data on the transfer function.

摘要翻译： 本发明提供一种温度分布测定装置和温度分布测定方法，能够根据光纤的全长的变化容易地设定适当的传递函数。 [解决方法]温度分布测量装置20包括光学连接到光纤24的激光源21，配置成检测在光纤24中反散射的光的光电检测器26以及配置成获得真实值的温度分布测量单元27 通过利用基于来自光检测器26的输出获得的临时测量温度分布的传递函数执行校正计算来测量温度分布。温度分布测量单元27在其中存储关于针对光纤24的每个整个长度设置的传递函数的数据 以及光纤24中的每个纵向位置。然后，当光纤24的长度改变时，温度分布测量单元27通过使用关于传递函数的数据来改变要在校正计算中使用的传递函数。

公开(公告)号：EP2426799B1

公开(公告)日：2018-05-23

申请号：EP09844056.3

申请日：2009-12-22

申请人： Fujitsu Limited

发明人： UNO, Kazushi ,  TAKEI, Fumio ,  KASAJIMA, Takeo

IPC分类号： G01B11/03 ,  G01K11/32 ,  H02G3/00

CPC分类号： G01B11/03 ,  G01K11/32 ,  H02G3/00

摘要： [Object] To provide a cable installed state analyzing method and an installed state analyzing apparatus of automatically analyzing an installed state of a cable such as an optical fiber. [Solving Means] An image of an installed state of an optical fiber 20 is captured by a camera 51. The optical fiber 20 is provided with position marks 23 at fixed intervals, the position marks 23 each indicating a distance from a predetermined position and a direction of the optical fiber 20. An installed state analyzing apparatus 52 performs image processing on the captured image and analyzes the installed state of the optical fiber 20 by using the optical fiber installation tools 40 and the position marks 23. Then, installed state analyzing apparatus 52 maps the installed state of the optical fiber 20 to orthogonal coordinates to thereby make it possible to calculate the coordinates of a certain position on the optical fiber 20 by using a distance from, for example, an inlet portion of the cassette 10.

公开(公告)号：EP2746741B1

公开(公告)日：2016-11-16

申请号：EP11870967.4

申请日：2011-08-15

申请人： Fujitsu Limited

发明人： KASAJIMA, Takeo ,  UNO, Kazushi ,  ISHINABE, Minoru ,  TADAKI, Kyoko ,  TAKEI, Fumio

IPC分类号： G01K11/32

CPC分类号： G01K11/32 ,  G01K2011/324

摘要： [Object] To provide a temperature distribution measurement apparatus and a temperature distribution measurement method capable of easily setting an appropriate transfer function in response to a change in the entire length of an optical fiber. [Solving Means] A temperature distribution measurement apparatus 20 includes a laser light source 21 optically connected to an optical fiber 24, a photodetector 26 configured to detect light backscattered in the optical fiber 24, and a temperature distribution measurement unit 27 configured to obtain a true measured temperature distribution by performing correction calculation using a transfer function on a temporary measured temperature distribution obtained based on an output from the photodetector 26. The temperature distribution measurement unit 27 stores therein data on a transfer function set for each entire length of the optical fiber 24 and for each longitudinal position in the optical fiber 24. Then, when the length of the optical fiber 24 is changed, the temperature distribution measurement unit 27 changes the transfer function to be used in the correction calculation by using the data on the transfer function.