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    • 3. 发明授权
    • Method for detecting leaks in pipelines
    • 检测管道泄漏的方法
    • US5974862A
    • 1999-11-02
    • US852043
    • 1997-05-06
    • Paul LanderWilliam E. Saltzstein
    • Paul LanderWilliam E. Saltzstein
    • G01M3/24
    • G01M3/243
    • The invention relates to detecting leaks in a pipeline using enhanced methods of data sensing, digitally encoded transmission, and cross-correlation. A plurality of acoustic sensors are applied to the pipeline to sense a combination of signals from the leak and much greater quantities of noise. The sensed data is digitized at the sensor, encoded and digitally transmitted to a computerized base station. The encoded data from a plurality of sensors received at the base station is decoded, digitally filtered and cross-correlated. Enhanced methods of cross-correlation are performed to estimate the likely presence of a leak and the location and size of any leaks present. Participation in the leak detection procedure by an expert not present at the pipeline is facilitated by communication of data between the base station and a distant supervisory station.
    • 本发明涉及使用增强的数据传感方法,数字编码传输和互相关检测流水线中的泄漏。 多个声学传感器被施加到管道以感测来自泄漏的信号和大量噪声的组合。 感测数据在传感器被数字化,被编码并数字地发送到计算机化的基站。 来自在基站处接收的多个传感器的编码数据被解码,数字滤波和交叉相关。 进行互相关的增强方法来估计泄漏的可能存在以及存在的任何泄漏的位置和大小。 通过基站和远程监控站之间的数据通信,便于通过不存在管道的专家参与泄漏检测程序。
    • 5. 发明授权
    • Tracking vibrations in a pipeline network
    • 跟踪管网中的振动
    • US07596458B2
    • 2009-09-29
    • US11246543
    • 2005-10-11
    • Paul Lander
    • Paul Lander
    • G01F23/296G06F19/00G06F17/40G01F1/66G01N11/02
    • G01M3/243
    • Tracking vibrations on a pipeline network includes installing multiple vibration recorders on the pipeline network, with each recorder including a sensor, a timer, a processor, and a digital communication device. At each vibration recorder, vibration signals are received from the sensor at programmed times under the control of the processor of the vibration recorders and processed by the processor. The processed vibration signals are communicated from the vibration recorder to a reader device using the digital communication device. Thereafter, the processed vibration signals from the one or more reader devices are collected at a central computer system. Finally, the collected processed vibrations signals are analyzed at the central computer system to determine abnormal vibration patterns and to obtain measures of any leaks present in the pipeline network.
    • 管道网络上的跟踪振动包括在管道网络上安装多个振动记录器,每个记录器包括传感器,定时器,处理器和数字通信设备。 在每个振动记录器处,在振动记录器的处理器的控制下的编程时间,从传感器接收振动信号,并由处理器进行处理。 经处理的振动信号使用数字通信装置从振动记录器传送到读取装置。 此后,来自一个或多个读取器装置的经处理的振动信号被收集在中央计算机系统中。 最后,在中央计算机系统中分析收集到的经处理的振动信号,以确定异常振动模式,并获得管道网络中存在的任何泄漏的措施。
    • 6. 发明授权
    • Tracking vibrations in a pipeline network
    • 跟踪管网中的振动
    • US06957157B2
    • 2005-10-18
    • US10291748
    • 2002-11-12
    • Paul Lander
    • Paul Lander
    • G01M3/24G08B21/00G06F19/00
    • G01M3/243
    • Tracking vibrations on a pipeline network includes installing multiple vibration recorders on the pipeline network, with each recorder including a sensor, a timer, a processor, and a digital communication device. At each vibration recorder, vibration signals are received from the sensor at programmed times under the control of the processor of the vibration recorders and processed by the processor. The processed vibration signals are communicated from the vibration recorder to a reader device using the digital communication device. Thereafter, the processed vibration signals from the one or more reader devices are collected at a central computer system. Finally, the collected processed vibrations signals are analyzed at the central computer system to determine abnormal vibration patterns and to obtain measures of any leaks present in the pipeline network.
    • 管道网络上的跟踪振动包括在管道网络上安装多个振动记录器,每个记录器包括传感器,定时器,处理器和数字通信设备。 在每个振动记录器处,在振动记录器的处理器的控制下的编程时间,从传感器接收振动信号,并由处理器进行处理。 经处理的振动信号使用数字通信装置从振动记录器传送到读取装置。 此后,来自一个或多个读取器装置的经处理的振动信号在中央计算机系统处收集。 最后,在中央计算机系统中分析收集到的经处理的振动信号,以确定异常振动模式,并获得管道网络中存在的任何泄漏的措施。
    • 7. 发明申请
    • Tracking vibrations in a pipeline network
    • 跟踪管网中的振动
    • US20050060105A1
    • 2005-03-17
    • US10959994
    • 2004-10-08
    • Paul Lander
    • Paul Lander
    • G01M3/24G01M3/00
    • G01M3/243
    • Tracking vibrations on a pipeline network includes installing multiple vibration recorders on the pipeline network, with each recorder including a sensor, a processor, and a communication device. At each vibration recorder, vibration signals are received from the sensor at programmed times under the control of the processor of the vibration recorders and processed by the processor. The processed vibration signals are communicated from the vibration recorder to a reader device using the digital communication device. In addition, at a particular vibration recorder, meter readings from a flow meter associated with the particular vibration recorder are received. The meter readings are indicative of a level of flow in the pipeline network, and are communicated from the particular vibration recorder to a reader device using the communication device of the particular vibration recorder. Thereafter, the processed vibration signals from the one or more reader devices are collected at a central computer system. Finally, the collected processed vibration signals and the meter readings are analyzed at the central computer system to determine abnormal vibration patterns and to obtain measures of any leaks present in the pipeline network.
    • 在管道网络上的跟踪振动包括在管道网络上安装多个振动记录器,每个记录器包括传感器,处理器和通信装置。 在每个振动记录器处,在振动记录器的处理器的控制下的编程时间,从传感器接收振动信号,并由处理器进行处理。 经处理的振动信号使用数字通信装置从振动记录器传送到读取装置。 另外,在特定的振动记录器中,接收来自与特定振动记录器相关联的流量计的仪表读数。 仪表读数指示管道网络中的流量水平,并且使用特定振动记录器的通信装置从特定振动记录器传送到读取装置。 此后,来自一个或多个读取器装置的经处理的振动信号被收集在中央计算机系统中。 最后,在中央计算机系统中分析收集到的经处理的振动信号和仪表读数,以确定异常振动模式,并获得管道网络中存在的任何泄漏的措施。
    • 9. 发明授权
    • Monitoring vibrations in a pipeline network
    • 监测管网中的振动
    • US06567006B1
    • 2003-05-20
    • US09443356
    • 1999-11-19
    • Paul LanderWilliam E. Saltzstein
    • Paul LanderWilliam E. Saltzstein
    • G08B2100
    • G01M3/243
    • The invention relates to acoustic detection of leaks in a pipeline using locally-intelligent, data-adaptive monitors deployed for a period of time. Monitors are initialized by a base station. Following deployment, monitors receive vibration signals at programmed times, process the vibration signals to detect and characterize abnormal vibrations, and save the processed data in the monitor. Monitors may communicate digitally with a base station, sending processed data and receiving instructions. Alternatively, monitors may be removed from the pipeline and placed in a docking station prior to initialization and subsequent re-deployment on a pipeline. A procedural step of re-synchronization corrects for any mis-alignments in time that may occur among received vibration signals from different monitors. Received vibration signals from two or more monitors may then be analyzed using a correlative method to localize the position of any leaks present in the pipeline.
    • 本发明涉及使用部署了一段时间的局部智能的数据自适应监测器在管道中的泄漏的声学检测。 监视器由基站初始化。 在部署后,监视器在编程时间接收振动信号,处理振动信号以检测和表征异常振动,并将处理的数据保存在监视器中。 监视器可以与基站进行数字通信,发送处理后的数据和接收指令。 或者,监视器可以在管线上被移除,并且在初始化之前被放置在坞站中,并且随后在管道上重新部署。 重新同步的程序步骤校正了可能在来自不同监视器的接收到的振动信号之间发生的任何时间上的错误对准。 然后可以使用相关方法来分析来自两个或更多个监视器的接收到的振动信号,以定位管道中存在的任何泄漏的位置。