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    • 53. 发明申请
    • Tracking Objects in Conduits
    • 跟踪管道中的物体
    • US20110139538A1
    • 2011-06-16
    • US13059806
    • 2009-08-20
    • David John HillMagnus McEwen-King
    • David John HillMagnus McEwen-King
    • G01S15/00
    • G01M3/243F17D5/06G01D5/48G01H9/004G01M3/047G01P3/14
    • Methods and apparatus for tracking objects in conduits, especially for tracking the movement of a pig in a pipeline, are disclosed. Distributed acoustic sensing is used to obtain signal returns from a plurality of discrete longitudinal sensing portions of a fibre optic cable which is laid along the length of the conduit. The method involves detecting an acoustic signature corresponding to the object moving in the conduit. The acoustic signature may comprise a series of pressure pulses caused by the object traversing joints etc. in the conduit. Preferably the method involves detecting pressure waves caused by the object as it moves through the conduit. Detecting the characteristic pressure wave signal provides discrimination of the object from other acoustic disturbances. In pipeline applications a pig can be tracked in real time, if the pig stops moving an alert can be generated and the location of the pig will be known.
    • 公开了用于跟踪管道中的物体的方法和装置,特别是用于跟踪管道中的猪的运动。 分布式声学感测用于从沿着导管长度放置的光纤电缆的多个离散的纵向感测部分获得信号返回。 该方法涉及检测对应于在导管中移动的对象的声学签名。 声学特征可以包括由导管中的物体横穿接头等引起的一系列压力脉冲。 优选地,该方法包括检测由物体在通过导管移动时引起的压力波。 检测特征压力波信号提供对象与其他声学干扰的区别。 在管道应用中,可以实时跟踪猪,如果猪停止移动,则可以产生警报,并且知道猪的位置。
    • 55. 发明申请
    • PIPELINE LEAKAGE-SENSING DEVICE
    • 管道泄漏检测装置
    • US20100269941A1
    • 2010-10-28
    • US12162989
    • 2007-02-02
    • Elmer H. Hara
    • Elmer H. Hara
    • F16L55/18G01M3/04
    • F17D5/06G01M3/047
    • A leakage-sensing device for installation adjacent to a pipeline configured for conveying liquid or gaseous chemical materials. The leakage-sensing device comprises a length of cable configured to transmit and back-reflect signals. The cable is communicable with a signal-measuring device. The entire length of cable is encompassed by a torsioned and tensioned coiled biasing means. The cable and the torsioned and tensioned coiled biasing means are embedded in a chemically frangible casing material. The chemically frangible material is selected for its structural instability when contacted with the selected chemical material to be conveyed within the pipeline thereby releasing the torsioned and tensioned biasing means which subsequently imparts bending and/or twisting and/or elongating and/or contracting forces to the cable thereby causing the cable to physically interfere with and/or deform and/or break the transmission and back-reflection of signals along the cable.
    • 一种泄漏检测装置,用于安装在配置用于输送液体或气体化学材料的管道附近。 泄漏感测装置包括被配置为传输和反射信号的电缆长度。 电缆可与信号测量设备通信。 电缆的整个长度由扭转和张紧的线圈偏置装置包围。 电缆和扭转和张紧的螺旋偏置装置嵌入化学脆性外壳材料中。 选择化学脆性材料的结构不稳定性,当与在管道内被输送的所选择的化学材料接触时,释放扭转和张紧的偏压装置,随后将弯曲和/或扭曲和/或伸长和/或收缩力施加到 电缆,从而导致电缆物理地干扰和/或变形和/或破坏沿着电缆的信号的传输和反向反射。
    • 56. 发明申请
    • Method for detecting leakage from a pipe
    • 检测管道泄漏的方法
    • US20100139372A1
    • 2010-06-10
    • US12705795
    • 2010-02-15
    • Josef Samuelson
    • Josef Samuelson
    • G01M3/24
    • G01M3/243F17D5/06G01V1/181
    • A method for detecting leakage from a pipe uses multiple channels/inputs, wherein a low frequency range input measures seismic noises, and a high frequency range input measures cavitation noises. A leakage indication is issued if both the low frequency and high frequency noises are simultaneously detected. A Sophisticated algorithm for processing sensors data in a four dimensional space includes location and time, includes a method for detecting an intruder's path in a location and time space. A method for detecting unauthorized access to oil, gas or other pipes, by monitoring the protective cathodic voltage and detecting changes in the voltage which are indicative of a technical failure or a deliberate attack on the pipe.
    • 用于检测管道泄漏的方法使用多个通道/输入,其中低频范围输入测量地震噪声,高频范围输入测量空化噪声。 如果同时检测到低频和高频噪声,则发出泄漏指示。 用于在四维空间中处理传感器数据的复杂算法包括位置和时间,包括用于在位置和时间空间中检测入侵者路径的方法。 通过监测保护阴极电压和检测电压的变化来检测对油,气体或其他管道的未经授权的访问的方法,该变化指示技术故障或对管道的故意攻击。
    • 57. 发明申请
    • GAS AND WATER LEAK DETECTING SYSTEM WITH HUMAN PRESENCE DETECTOR
    • 气体和水泄漏检测系统与人类存在检测器
    • US20100126610A1
    • 2010-05-27
    • US12596625
    • 2008-04-15
    • Paolo Diprima
    • Paolo Diprima
    • F16K31/48
    • F17D5/06Y10T137/86389
    • System security and control, also at distance through GSM module, of water supply, liquids and gas supply (of urban facilities for civil houses, cylinder, fixed gas cylinder) by opening and/or closing multiple automatic electromechanical valves. The management system is based on an electronic control divided into gas/section and liquid section and a series of sensors, as presence detectors, detectors of gas and liquids, located in the most appropriate place and at the discretion of the user. As Regards as the valves related to gas section, these valves should be installed outside the house or working place to prevent that the escape of gas that could happen in the section of pipe located before the electronic valve, may spread inside the environment that is monitored, thus thwarting, in this way the installation and use of the system itself. Also for the water/liquid section, for the positioning of the electronic valve, we use the same principles made for the gas section. In any case for both gas/liquid sections it is advisable to install the valves outside the environment that we want to preserve in order to obtain the maximum security; but, of course, the user can install the valves where it seems appropriate for him/her and beneficial to the own needs. The user can control the various functions of the system through the central unit that is programmable with buttons START/STOP that are inside the environment, or check the status of the system at a distance by a GSM module integrated within the central unit which can send messages of signals or alarm and receive instructions command and/or control.
    • 通过打开和/或关闭多个自动机电阀门,还可以通过GSM模块,供水,液体和天然气供应(民用房屋,气缸,固定气瓶的城市设施)进行系统安全和控制。 管理系统基于分为气体/部分和液体部分的电子控制和一系列传感器,作为存在检测器,气体和液体检测器,位于最适当的位置并由用户自行决定。 作为与气体截面相关的阀门,这些阀门应安装在房屋或工作场所外面,以防止位于电子阀门之前的管道部分可能发生的气体逸出,可能会传播到监控环境中 ,因此阻挠,以这种方式安装和使用系统本身。 对于水/液体部分,对于电子阀的定位,我们使用与气体部分相同的原理。 在任何情况下,对于气体/液体部分,建议将阀门安装在我们要保存的环境之外,以获得最大的安全性; 但是当然,用户可以安装适合他/她的阀门,并且有利于自己的需要。 用户可以通过中央单元控制系统的各种功能,该中央单元可以通过环境内的按钮START / STOP进行编程,或通过集成在中央单元内的GSM模块检查系统的状态,该模块可以发送 信号消息或报警和接收指令命令和/或控制。
    • 58. 发明授权
    • Sensor networks for monitoring pipelines and power lines
    • 用于监测管道和电力线路的传感器网络
    • US07705747B2
    • 2010-04-27
    • US11465796
    • 2006-08-18
    • Robert W. Twitchell, Jr.
    • Robert W. Twitchell, Jr.
    • G08C17/00
    • G08B25/009F17D5/06
    • A sensor network for monitoring utility power lines comprises a sensor disposed for monitoring utility power lines, the sensor capable of acquiring data related to the utility power lines and communicating sensor data; a first remote sensor interface (RSI) comprising a data communications device capable of receiving the sensor data communicated from the sensor, and transmitting data relating to the received sensor data; and a data communications device capable of receiving the data transmitted by the first RSI and transmitting data related to the sensor data directly or indirectly to a network external to the sensor network. The sensor network comprises a common designation network.
    • 一种用于监控公用电力线路的传感器网络,包括一个传感器,用于监控公用事业电力线路,该传感器能够获取与公用电力线路有关的数据并传送传感器数据; 第一远程传感器接口(RSI),包括能够接收从传感器传送的传感器数据的数据通信设备,以及发送与所接收的传感器数据有关的数据; 以及能够接收由第一RSI发送的数据并且将与传感器数据相关的数据直接或间接传送到传感器网络外部的网络的数据通信设备。 传感器网络包括公共指定网络。
    • 59. 发明申请
    • Sensor unit having a directional aperture
    • 传感器单元具有定向孔径
    • US20100027380A1
    • 2010-02-04
    • US12577187
    • 2009-10-11
    • Joseph Samuelson
    • Joseph Samuelson
    • G01V1/18
    • G01M3/243F17D5/06G01V1/181
    • A casing of a sensor unit has a directional aperture, structure or sail. The sensor is used in a distributed system for measuring, processing and displaying information from a plurality of sensors comprises a plurality of sensor units. A method for quick detection of offenders of oil, gas or other pipes, by monitoring the protective cathodic voltage and detecting quick changes in the voltage. A method for detecting leakage from a pipe using multiple channels/inputs, wherein a low frequency range input measures seismic noises, and a high frequency range input measures cavitation noises, and wherein a leakage indication is issued if both the low frequency and high frequency noises are simultaneously detected. A low power consumption Wireless communications protocol is used.
    • 传感器单元的壳体具有定向孔,结构或帆。 传感器用于分布式系统,用于测量,处理和显示来自多个传感器的信息,包括多个传感器单元。 通过监测保护阴极电压和检测电压的快速变化,快速检测油,气体或其他管道的污染物的方法。 一种用于使用多个通道/输入来检测来自管道的泄漏的方法,其中低频范围输入测量地震噪声,并且高频范围输入测量空化噪声,并且其中如果低频和高频噪声都发出泄漏指示 同时检测。 使用低功耗无线通信协议。