公开(公告)号：WO2016149130A4

公开(公告)日：2017-02-23

申请号：PCT/US2016022140

申请日：2016-03-11

Applicant: ROSEMOUNT INC

Inventor： WANG RONGTAI ,  SCHULTE JOHN PAUL

IPC: G01R27/26 ,  G01D5/24 ,  H03M3/02

CPC classification number: H03M3/39 ,  G01D5/24 ,  G01L9/0072 ,  G01L9/0075 ,  G01L9/12 ,  H03M3/356 ,  H03M3/376 ,  H03M3/494

Abstract: A single plate capacitance sensor includes a sensor capacitor and a reference capacitor that share common plate. A capacitance-to-digital sigma delta modulator provides separate sensor excitation and reference excitation signals to the sensor capacitor and the reference capacitor to provide high resolution detection. Programmable ratio-metric excitation voltages and adaptive excitation voltage sources can be used to enhance modulator performance.

Abstract translation: 单板电容传感器包括传感器电容器和共用共用板的参考电容器。 电容数字Σ-Δ调制器向传感器电容器和参考电容器提供单独的传感器激励和参考激励信号，以提供高分辨率检测。 可编程比率公制激励电压和自适应激励电压源可用于增强调制器性能。

公开(公告)号：WO2016149130A3

公开(公告)日：2016-12-15

申请号：PCT/US2016022140

申请日：2016-03-11

Applicant: ROSEMOUNT INC

Inventor： WANG RONGTAI ,  SCHULTE JOHN PAUL

IPC: G01R27/26 ,  G01D5/24 ,  H03M3/02

CPC classification number: H03M3/39 ,  G01D5/24 ,  G01L9/0072 ,  G01L9/0075 ,  G01L9/12 ,  H03M3/356 ,  H03M3/376 ,  H03M3/494

Abstract: A single plate capacitance sensor includes a sensor capacitor and a reference capacitor that share common plate. A capacitance-to-digital sigma delta modulator provides separate sensor excitation and reference excitation signals to the sensor capacitor and the reference capacitor to provide high resolution detection. Programmable ratio-metric excitation voltages and adaptive excitation voltage sources can be used to enhance modulator performance.

Abstract translation: 单板电容传感器包括传感器电容器和共用共用板的参考电容器。 电容数字Σ-Δ调制器向传感器电容器和参考电容器提供单独的传感器激励和参考激励信号，以提供高分辨率检测。 可编程比率公制激励电压和自适应激励电压源可用于增强调制器性能。

公开(公告)号：RU2668945C1

公开(公告)日：2018-10-05

申请号：RU2017114676

申请日：2015-09-17

Applicant: ROSEMOUNT INC

Inventor： SCHULTE JOHN PAUL ,  TYSON DAVID GLEN

IPC: G01L9/12

Abstract: Группаизобретенийотноситсяк средствамизмеренияв полевыхусловияхприповышенныхзначенияхвнешнейтемпературы. Вчастности, вариантыосуществленияотносятсяк емкостнымдатчикамв технологическомоборудовании. Системавосприятиядавлениявключаетв себямодуль (114) электроннойаппаратурыгорячейзоны, модуль (116) электроннойаппаратурыхолоднойзоныи множествопроводников (110), которыесоединяютмодульэлектроннойаппаратуры (114) горячейзоныс модулемэлектроннойаппаратуры (116) холоднойзоны. Модуль (114) электроннойаппаратурыгорячейзонывключаетв себяемкостнойдатчик (201) давленияи генератор (212), которыйвыдаетколебательныйсигналнаемкостнойдатчик (201) давления. Электроннаяаппаратура (114) горячейзонывыдаетпоменьшеймереодинсигналдатчика DC (постоянноготока). Модуль (116) электроннойаппаратурыхолоднойзоныпреобразуетупомянутыйпоменьшеймереодинсигналдатчика DC взначениедавленияи выдаетсигналпитания DC. Множествопроводников (110) передаютсигналпитания DC намодульэлектроннойаппаратуры (114) горячейзоныи передаютпоменьшеймереодинсигналдатчика DC намодульэлектроннойаппаратуры (116) холоднойзоны. Техническийрезультатзаключаетсяв повышенииточностии помехоустойчивостиизмерений. 3 н. и 18 з.п. ф-лы, 4 ил.

公开(公告)号：CA2962303A1

公开(公告)日：2016-04-07

申请号：CA2962303

申请日：2015-09-17

Applicant: ROSEMOUNT INC

Inventor： SCHULTE JOHN PAUL ,  TYSON DAVID GLEN

IPC: G01D5/12 ,  G01D5/24 ,  G01L9/12

Abstract: A pressure sensing system includes a hot zone electronics module (114), a cool zone electronics module (116) and a plurality of conductors (110) that connect the hot zone electronics (114) to the cool zone electronics (116). The hot zone electronics module (114) includes a capacitive pressure sensor (201) and an oscillator (212) that provides an oscillating signal to the capacitive pressure sensor (201). The hot zone electronics (114) provides at least one DC sensor signal. The cool zone electronics module (116) converts the at least one DC sensor signal into a pressure value and provides a DC power signal. The plurality of conductors (110) convey the DC power signal to the hot zone electronics (114) and convey the at least one DC sensor signal to the cool zone electronics (116).

公开(公告)号：EP2973490A4

公开(公告)日：2016-11-02

申请号：EP14778937

申请日：2014-02-24

Applicant: ROSEMOUNT INC

Inventor： SCHULTE JOHN PAUL

IPC: H04B1/04

CPC classification number: H04B1/0475

Abstract: A processor transmitter includes a sensor, a first signal path, a second signal path, and an output summing circuit. The sensor produces a process signal that is a function of a process parameter. The first signal path digitally compensates the process signal. The second signal path digitally filters the process signal and subjects the process signal to less delay than the first signal path. The output summing circuit sums the digitally compensated process signal from the first signal path and the digitally filtered process signal from the second signal path to produce a fast digital compensated process signal.

公开(公告)号：EP2972109A4

公开(公告)日：2016-10-26

申请号：EP14775498

申请日：2014-03-13

Applicant: ROSEMOUNT INC

Inventor： SCHULTE JOHN PAUL

IPC: G01D5/12 ,  G01D5/24 ,  G01L7/08 ,  G01L9/12

CPC classification number: G01D5/24

Abstract: A process measurement system includes a sensor for producing a sensor signal as a function of a process parameter and a measurement circuit that converts the sensor signal to measurement data. A control circuit controls the amplitude of the sensor excitation to maximize signal strength over the entire operating ratio range of the sensor. This enhances resolution and noise rejection of the measurement circuit.

公开(公告)号：EP2247985A4

公开(公告)日：2014-12-03

申请号：EP09709277

申请日：2009-02-05

Applicant: ROSEMOUNT INC

Inventor： SCHULTE JOHN PAUL ,  TRIMBLE STEVEN RICHARD ,  RELLER TROY MICHAEL

IPC: G05B13/02 ,  G01D3/036 ,  G01D3/08 ,  G01D21/00

CPC classification number: G01D3/0365 ,  G01D3/08 ,  G01D21/00

Abstract: A process transmitter includes a sensor for producing an analog process signal as a function of a process parameter. The uncompensated analog process signal is digitized by an A/D converter and digitally compensated by a digital processor. The digitized signal from the analog-to-digital converter is also band pass filtered. The digitally compensated signal and the band pass filtered signal are combined to produce a transmitter output.

Abstract translation: 过程变送器包括用于产生作为过程参数的函数的模拟过程信号的传感器。 未经补偿的模拟处理信号由A / D转换器数字化，并由数字处理器进行数字补偿。 来自模数转换器的数字化信号也被带通滤波。 数字补偿信号和带通滤波信号被组合以产生发射机输出。