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    • 3. 发明授权
    • Protection against the effects of condensate bridges
    • 防止冷凝桥的影响
    • US07513151B2
    • 2009-04-07
    • US10546763
    • 2004-02-12
    • Sascha D'AngelicoSergej Lopatin
    • Sascha D'AngelicoSergej Lopatin
    • G01F23/00
    • G01F23/2966G01F23/2968
    • Apparatus for measuring and/or monitoring a process variable of a medium. The apparatus includes: an oscillatable unit; a driver/receiver unit, which excites the oscillatable unit to oscillate, and/or which receives its oscillations; a control/evaluation unit, which controls the driver/receiver unit, and/or which evaluates the oscillations of the oscillatable unit; and at least one transmitting line and one receiving line between the control/evaluation unit and the driver/receiver unit. At least a third line is provided, which is embodied and arranged in a manner such that it is located between the transmitting line and the receiving line, and is connected with a voltage source, which has an output impedance, which is smaller than the impedance of a condensate bridge.
    • 用于测量和/或监测介质的过程变量的装置。 该装置包括:可振荡单元; 激励可振荡单元振荡的驱动器/接收器单元和/或接收其振荡的驱动器/接收器单元; 控制/评估单元,其控制驱动器/接收器单元和/或评估可振荡单元的振荡; 以及控制/评估单元和驱动器/接收器单元之间的至少一个传输线和一个接收线。 提供至少第三条线,其以使得它位于传输线路和接收线路之间的方式被实施和布置,并且与具有小于阻抗的输出阻抗的电压源连接 的冷凝桥。
    • 4. 发明申请
    • Device for Determining and/or Monitoring at least one Predetermined Fill Level
    • 用于确定和/或监测至少一个预定填充水平的装置
    • US20130139585A1
    • 2013-06-06
    • US13817729
    • 2011-07-11
    • Sascha D'AngelicoSergej LopatinFranco Ferraro
    • Sascha D'AngelicoSergej LopatinFranco Ferraro
    • G01F23/22
    • G01F23/22G01F23/2966G01F23/2967
    • A device for determining a predetermined fill level of a liquid in a container, with a sensor unit, comprising a unit capable of oscillating mechanically, a transmitter unit, and a receiver unit, which is electrically and mechanically coupled to the transmitter unit, and which transduces the oscillation of the unit capable of oscillating into an electrical receiving signal. An electronic unit, comprising a regulating unit, which regulates a phase difference that exists between the electrical transmission signal and electrical receiving signal to a determined value at which the unit capable of oscillating conducts oscillations at a resonant frequency, and which forms an oscillation circuit with the transmitter unit, receiving unit and the unit capable of oscillating. The electronic unit comprises a compensation path with a compensation unit, which for compensating additional signal components in the receiving signal, which results from the mechanical and/or electrical coupling between transmitter unit and receiver unit, at least intermittently produces a compensation signal from the transmission signal and supplies this compensation signal to the receiving signal. The compensation unit produces the compensation signal in a way such that the compensation signal is opposite to the additional signal components in the receiving signal.
    • 一种用于确定容器中的液体的预定填充水平的装置,其具有传感器单元,其包括能够机械振荡的单元,发送器单元和接收器单元,所述发射器单元和接收器单元电气和机械耦合到所述发射器单元,以及哪个 将能够振荡的单元的振荡转换成电接收信号。 一种电子单元,包括调节单元,其将电传输信号和电接收信号之间存在的相位差调节到能够振荡的单元以谐振频率进行振荡的确定值,并且形成具有 发射机单元,接收单元和能够振荡的单元。 电子单元包括具有补偿单元的补偿路径,用于补偿由发射机单元和接收机单元之间的机械和/或电耦合导致的接收信号中的附加信号分量,至少间歇地产生来自传输的补偿信号 信号并将该补偿信号提供给接收信号。 补偿单元以使得补偿信号与接收信号中的附加信号分量相反的方式产生补偿信号。
    • 5. 发明授权
    • Apparatus for ascertaining and/or monitoring a process variable of a meduim
    • 用于确定和/或监视药物的过程变量的装置
    • US08220313B2
    • 2012-07-17
    • US12309474
    • 2007-06-14
    • Sergej LopatinAlexander MüllerSascha D'AngelicoMartin UrbanStanislaw Herwik
    • Sergej LopatinAlexander MüllerSascha D'AngelicoMartin UrbanStanislaw Herwik
    • G01N9/00
    • G01N9/002G01F23/296G01F23/2966G01F23/2967
    • An apparatus for ascertaining and/or monitoring a process variable, especially density of a medium. The apparatus includes: an exciting/receiving unit, which excites a mechanically oscillatable unit to execute mechanical oscillations and which receives the mechanical oscillations; an electronics unit, which applies to the exciting/receiving unit an electrical, exciter signal, and which obtains from the exciting/receiving unit an electrical, received signal. The electronics unit produces the exciter signal in such a manner, that, between the received signal and the exciter signal, a phase difference equal to a desired value of phase difference results, at which effects of changes of viscosity on mechanical oscillations of the mechanically oscillatable unit are negligible, and that the desired value of phase difference is predetermined as a function of the ratio of impedance of the exciting/receiving unit to the input impedance of the electronics unit.
    • 用于确定和/或监测过程变量,特别是介质密度的装置。 该装置包括:激励/接收单元,其激励机械振荡单元执行机械振荡并且接收机械振荡; 电子单元,其向激励/接收单元施加电,激励器信号,并从激励/接收单元获得电接收信号。 电子单元以这样的方式产生激励器信号,即在接收信号和激励器信号之间,相位差等于相位差的期望值,其中粘度变化对机械振荡的机械振荡的影响 单位是可忽略的,并且相位差的期望值是预定的,作为激励/接收单元的阻抗与电子单元的输入阻抗的比率的函数。
    • 7. 发明申请
    • Device for operating a vibrating unit of a vibration resonator
    • 用于操作振动谐振器的振动单元的装置
    • US20060145774A1
    • 2006-07-06
    • US10538841
    • 2003-12-06
    • Sascha D'Angelico
    • Sascha D'Angelico
    • H03B5/32
    • G01F23/2966B06B1/023B06B1/0261
    • A device for operating an oscillatable unit of a vibration resonator, including a piezodrive, which is connected with the oscillatable unit, and feedback electronics. The feedback electronics excites the piezodrive to oscillate by means of a periodic exciter signal having rising and falling edges. The response signal of the piezodrive is fed back to the feedback electronics. Present additionally is at least one peak compensation unit, which removes from the response signal at least one interference signal, which results from the charge-reversal process of the piezodrive. Provided in the peak compensation unit, is at least one suppression unit having at least one switch element. The suppression unit is controlled by the exciter signal of the feedback electronics in such a manner that the piezodrive is connected conductively to ground during the rising and/or during the falling edges of the exciter signal.
    • 用于操作振动谐振器的可振荡单元的装置,包括与可振荡单元连接的压电驱动器和反馈电子器件。 反馈电子器件通过具有上升沿和下降沿的周期性激励器激励压电驱动器振荡。 压电驱动器的响应信号被反馈到反馈电子器件。 另外存在至少一个峰值补偿单元,其从响应信号中去除由压控驱动器的电荷反转过程产生的至少一个干扰信号。 在峰值补偿单元中设置有至少一个具有至少一个开关元件的抑制单元。 抑制单元由反馈电子装置的激励器信号控制,使得压电传感器在激励器信号的上升沿和/或下降沿期间导电地连接到地。
    • 9. 发明申请
    • Apparatus for Determining at Least One Process Variable
    • 用于确定最少一个过程变量的设备
    • US20120285239A1
    • 2012-11-15
    • US13519513
    • 2010-11-11
    • Sascha D'AngelicoSimon Tempel
    • Sascha D'AngelicoSimon Tempel
    • G01N25/00G01F23/00G01F23/28
    • G01F23/2967G01F25/0061G01K7/08G01K13/00G01N9/002G01N11/16
    • An apparatus and method for determining at least one process variable of a medium in a container or in a pipeline. The apparatus including: at least a first element and a second element, which are necessary components of the apparatus for determining the process variable and which contact at a contact location, which is exposed to a process temperature. The first element comprises a first material, and the second element comprises a second material. The first material and the second material are selected and matched to one another in such a manner that at the contact location between the first material and the second material a thermovoltage dependent on the difference between the process temperature and a reference temperature arises; and a temperature determining unit measures the thermovoltage and determines the process temperature therefrom.
    • 一种用于确定容器或管道中的介质的至少一个过程变量的装置和方法。 该装置包括:至少第一元件和第二元件,其是用于确定过程变量的装置的必要部件,以及暴露于处理温度的接触位置处的哪个接触。 第一元件包括第一材料,第二元件包括第二材料。 第一材料和第二材料被选择并彼此匹配,使得在第一材料和第二材料之间的接触位置处产生依赖于工艺温度和参考温度之间的差异的热电偶; 并且温度确定单元测量热电压并从其确定处理温度。