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    • 2. 发明申请
    • Method and device for determining parameters of fluctuating flow
    • 确定波动流量参数的方法和装置
    • US20070186679A1
    • 2007-08-16
    • US10588814
    • 2005-02-10
    • Hubert ZanglAnton Fuchs
    • Hubert ZanglAnton Fuchs
    • G01F1/20
    • G01F1/64G01F1/712G01F1/74G01P5/08G01P5/22
    • The invention relates to a method and a device for determining the parameters of a fluctuating flow of a fluid in a pipe, wherein at least three electrodes that are placed at a distance from one another in the direction of flow are provided in the periphery of the flow, wherein alternating voltage signals are fed to a first upstream transmission electrode arrangement and to a second downstream transmission electrode arrangement and the receiving signals generated by the displacement current are detected in a receiving electrode arrangement located between the transmission electrodes and subjected to a time-discrete cross-correlation. The throughput times of the fluctuations detected by the electrodes are determined on the basis of the results.
    • 本发明涉及一种用于确定管道中的流体的波动流的参数的方法和装置,其中在流动方向上彼此间隔一定距离放置的至少三个电极设置在 流动,其中交流电压信号被馈送到第一上游传输电极装置和第二下游传输电极装置,并且由位移电流产生的接收信号在位于传输电极之间的接收电极装置中被检测并经受时间 - 离散互相关。 基于结果确定由电极检测到的波动的吞吐量时间。
    • 5. 发明授权
    • Method and device for determining parameters of fluctuating flow
    • 确定波动流量参数的方法和装置
    • US07368922B2
    • 2008-05-06
    • US10588814
    • 2005-02-10
    • Hubert ZanglAnton Fuchs
    • Hubert ZanglAnton Fuchs
    • G01R27/26
    • G01F1/64G01F1/712G01F1/74G01P5/08G01P5/22
    • The invention relates to a method and a device for determining the parameters of a fluctuating flow of a fluid in a pipe, wherein at least three electrodes that are placed at a distance from one another in the direction of flow are provided in the periphery of the flow, wherein alternating voltage signals are fed to a first upstream transmission electrode arrangement and to a second downstream transmission electrode arrangement and the receiving signals generated by the displacement current are detected in a receiving electrode arrangement located between the transmission electrodes and subjected to a time-discrete cross-correlation. The throughput times of the fluctuations detected by the electrodes are determined on the basis of the results.
    • 本发明涉及一种用于确定管道中的流体的波动流的参数的方法和装置,其中在流动方向上彼此间隔一定距离放置的至少三个电极设置在 流动,其中交流电压信号被馈送到第一上游传输电极装置和第二下游传输电极装置,并且由位移电流产生的接收信号在位于传输电极之间的接收电极装置中被检测并经受时间 - 离散互相关。 基于结果确定由电极检测到的波动的吞吐量时间。
    • 8. 发明授权
    • Capacitance sensor
    • 电容传感器
    • US07944216B2
    • 2011-05-17
    • US12329335
    • 2008-12-05
    • Georg BrasseurThomas BretterklieberDirk HammerschmidtGert HollerTobias WerthHubert Zangl
    • Georg BrasseurThomas BretterklieberDirk HammerschmidtGert HollerTobias WerthHubert Zangl
    • G01R27/26
    • G01D5/2405
    • A capacitance sensor, having at least one electrode is disclosed. A frequency spread signal generation circuit is coupled to the at least one electrode to apply a frequency spread signal based on a spread sequence. A periodic signal with a frequency is coupled to the at least one electrode. A frequency controller is coupled to the frequency spread signal generation circuit to vary the frequency of the periodic signal. A receiver circuit is coupled to the at least one or a further electrode to receive a version of the frequency spread signal which depends on a capacitance applied to the at least one electrode. An evaluation circuit is coupled to the receiver circuit to determine a capacitance value based on the received, dependent version of the frequency spread signal.
    • 公开了具有至少一个电极的电容传感器。 频率扩展信号产生电路耦合到至少一个电极,以基于扩展序列施加频率扩展信号。 具有频率的周期性信号耦合到至少一个电极。 频率控制器耦合到频率扩展信号发生电路以改变周期信号的频率。 接收器电路耦合到所述至少一个或另一个电极,以接收取决于施加到所述至少一个电极的电容的所述频率扩展信号的形式。 评估电路耦合到接收器电路,以基于所接收的频率扩展信号的相关版本来确定电容值。