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DE-102024133068-A1 - Measuring system with two or more (flow) measuring devices

DE102024133068A1DE 102024133068 A1DE102024133068 A1DE 102024133068A1DE-102024133068-A1

Abstract

The measuring device system comprises a pressure device for guiding and/or maintaining one or more (fluid) substances, as well as two (flow) measuring devices (M1) for measuring one or more measured quantities, in particular a mass flow and/or a volume flow, of one or more substances held or guided in the pressure device, and at least two (flow) measuring devices (M1; M2), each having a sensor (10.1; 10.2) fluidically connected to the pressure device and (measuring device) electronics (20.1; 20.2) electrically connected to the respective sensor, for measuring one or more measured quantities of one or more substances held or guided in the pressure device. The (measuring instrument) electronics (20.1; 20.2) are each configured to operate, at least temporarily, in a respective operating mode (I.1; I.2), in which they each energize an excitation arrangement of the respective sensor and in which they each receive and evaluate a measurement signal (s1.1; s1.2) supplied by a sensor arrangement of the respective sensor to determine measured values for the measured quantity. Furthermore, while the (measuring instrument) electronics (20.2) are operating in its operating mode (I.1), the (measuring instrument) electronics (20.1) are configured to operate, at least temporarily, in an operating mode (II.1; II.2), in which they use the measurement signal (s1.1) to detect and/or quantify a disturbance induced by the sensor (10.2). ) of the measuring device system receives and evaluates.

Inventors

  • Michael Kirst
  • Alfred Rieder

Assignees

  • ENDRESS+HAUSER FLOWTEC AG

Dates

Publication Date
20260513
Application Date
20241112

Claims (20)

  1. Measuring instrument system comprising: - a pressure vessel, in particular formed by means of one or more fluidically connected (process) lines and/or compliant with Directive 2014/68/EU, for conveying and/or maintaining one or more (fluid) substances, in particular a gas, a liquid or a dispersion; - a first (flow) measuring instrument (M1) for measuring one or more measurands, in particular a mass flow and/or a volume flow, of one or more substances held or conveyed in the pressure vessel; and - at least one second (flow) measuring instrument (M2), in particular of the same type or design as the first measuring instrument, for measuring one or more measurands, in particular a mass flow and/or a volume flow, of one or more substances held or conveyed in the pressure vessel; - wherein each of the first and second measuring instruments comprises an (electrical-to-physical-to-electrical) sensor (10.1; 10.2) and (measuring instrument) electronics (20.1; 20.2) electrically connected to the same sensor, in particular formed by means of one or more microprocessors; - wherein the sensor (10.1; 10.2) of each of the first and second measuring devices is connected (fluidically) to the pressure vessel, in particular by means of a flange connection, in particular by means of a flange connection, and is inserted into the course of a (process) line of the pressure vessel, and is configured to be contacted by the measured medium, in particular by means of which the fluid flows, - and wherein the sensor (10.1; 10.2) of each of the first and second measuring devices comprises both an excitation arrangement, in particular by means of at least one electrical coil and/or by means of at least one (electrodynamic or piezoelectric) vibration exciter, electrically connected to the (measuring device) electronics (20.1; 20.2) of the respective measuring device, and an excitation arrangement, in particular by means of at least one (electrodynamic or piezoelectric) vibration sensor, signal-technically coupled to the (measuring device) electronics of the respective measuring device, in particular, an electrically connected sensor arrangement; - wherein the excitation arrangement of each of the first and second measuring devices is configured to convert the supplied electrical (excitation) power into mechanical (measuring) power that serves to effect a measurement effect dependent on the at least one measured quantity (of the sensor), in particular non-electrical and/or forced mechanical (useful) vibrations of the sensor, - and wherein the sensor arrangement of each of the first and second measuring devices is configured to detect a measurement effect dependent on the at least one measured quantity (of the measured material or the sensor), in particular (measuring quantity dependent on) mechanical vibrations of the sensor, and to convert it into the same measurement effect, in particular a velocity of vibrational movements of the sensor; - wherein the (measuring instrument) electronics (20.1; 20.2) of each of the first and second measuring instruments are each configured to operate at least temporarily in a respective first operating mode (I.1; I.2), - and wherein the (measuring instrument) electronics (20.1) of the first measuring instrument (M1) is configured, while the (measuring instrument) electronics (20.2) of the second measuring instrument (M2) is allowed to operate in its first operating mode (I.2), to operate at least temporarily in a second operating mode (II.1); - wherein the (measuring instrument) electronics (20.1; 20.2) of each of the first and second measuring instruments are configured, in the respective first operating mode (I.1; I.2), both to energize the respective excitation arrangement, namely to feed an electrical driver signal (e1.1; e1.2) into the respective excitation arrangement, in particular having a predefinable and/or an instantaneous (mechanical) resonance frequency fR of the respective sensor and/or a predefinable signal amplitude, such that at least one (physical) measuring effect dependent on the at least one measured quantity and detectable by the sensor arrangement is effected in the measured substance and that the respective measuring signal (s1.1; s1.2) is at least partially dependent on the respective measuring effect, in particular having a signal parameter dependent on the respective measured quantity, -- as well as to receive and evaluate the at least one (first) measuring signal (s1.1; s1.2), in particular, namely (using the at least one measurement signal received during the first operating mode) to determine the respective (digital) measured values representing at least one measured quantity; - wherein, by means of the sensor of at least the second measuring instrument (M2) with (measuring instrument) electronics (20.2) operating in the first operating mode (I.2), a (first) disturbance is introduced, in particular superimposing the measurement effect effected by means of the sensor of the first measuring instrument (M1) and/or affecting the functionality of the measuring instrument system and/or impairing the measurement accuracy of the first measuring instrument (M1). ) is induced in the measuring instrument system - and wherein the same disturbance is transmitted to the first measuring instrument, in particular via pressure device or measuring medium carried therein, such that the measuring signal (s1.1) of the sensor of the first measuring instrument (M1) is at least partially dependent on the (first) disturbance, in particular, the (measuring) electronics (20.2) of the second measuring instrument (M2), operating in its first operating mode (I.2), exhibit a signal parameter that depends on both the respective measured quantity and the (first) disturbance; - and wherein the (measuring) electronics (20.1) of the first measuring instrument (M1) is configured to receive and evaluate the at least one (first) measurement signal (s1.1) in its second operating mode (II.1), namely, to detect and/or quantify the (first) disturbance using the at least one (first) measurement signal (s1.1) received during the second operating mode (II.1).
  2. Measuring device system according to one of the preceding claims, - wherein the (first) disturbance is induced by the measured medium flowing through the sensor of the second measuring device; and/or - wherein the (first) disturbance consists of pressure fluctuations established in the measured medium guided in the sensor of the second measuring device or results from such pressure fluctuations; and/or - wherein the (first) disturbance is a (time-varying) magnetic field generated by the excitation arrangement of the second measuring device (M2), in particular with a (maximum) magnetic flux density of more than 100 µT (microtesla), which also partially penetrates the first measuring device (M1), or results from such a magnetic field; and/or - wherein the (first) disturbance results from, in particular, (forced) mechanical vibrations of the sensor of the second measuring device excited by means of the excitation arrangement of the second measuring device, in particular by coupling mechanical vibrations of the sensor of the second measuring device into the sensor of the first measuring device via pressure device.
  3. Measuring instrument system according to one of the preceding claims, - wherein the (measuring instrument) electronics of the first measuring instrument (M1) are configured to determine, in particular to quantify, a time-varying component of a measurement error resulting from or representing the (first) disturbance in the second operating mode (II); and/or - wherein the measuring instrument electronics (20.1) of the first measuring instrument (M1) are configured to adjust an (adaptive) filter for the measurement signal using the at least one (first) measurement signal (s1.1) received during its second operating mode (II.1) or based on the determined disturbance, in particular such that the (first) disturbance in the measurement signal (s1.1) is suppressed or filtered out of the measurement signal (s1.1); and/or - wherein the (first) disturbance in the (first) measurement signal (s1.1) of the first measuring device causes a beat frequency, in particular dependent on a (frequency) difference between a signal frequency of the driver signal (e1.1) of the first measuring device (M1) and a signal frequency of the driver signal (e1.2) of the second measuring device (M2).
  4. Measuring instrument system according to one of the preceding claims, wherein the electrical driver signal (e1.1) of the first measuring instrument has a signal frequency that differs from a signal frequency of the driver signal (e1.2) of the second measuring instrument by more than 0.01 Hz (Hertz), in particular not less than 0.5 Hz and/or not more than 10 Hz.
  5. Measuring instrument system according to one of the preceding claims, wherein the electrical driver signal (e1.1; e1.2) of each of the first and second measuring instruments is at least temporarily configured as a square wave signal, in particular such that the electrical driver signal (e1.1) of the first measuring instrument has a clock rate (clock frequency) that deviates from a clock rate of the driver signal (e1.2) of the second measuring instrument by less than 10 Hz.
  6. Measuring device system according to one of the preceding claims, wherein the (measuring device) electronics of the first measuring device (M1) are configured in the second operating mode (II.1) to: - not energize the excitation arrangement for a set, in particular adjustable and/or not less than 1 s (second), duration Tnexc1; - and also to receive and evaluate the at least one, in particular not (caused by means of the associated excitation arrangement) measuring effect and/or (merely) representing the (first) disturbance, (in particular) to detect and/or quantify the (first) disturbance using the at least one (first) measuring signal (s1.1) received during the second operating mode.
  7. Measuring instrument system according to the previous claim, wherein the duration Tnexc1 is not more than 5 s, in particular not less than 10 s, and/or more than 10 times, in particular not less than 50 times, a reciprocal of a (frequency) difference between a signal frequency of the driver signal (e1.1) of the first measuring instrument (M1) (provided in the first operating mode of the measuring instrument electronics of the first measuring instrument) and a signal frequency of the driver signal (e1.2) of the second measuring instrument (M2).
  8. Measuring instrument system according to one of the preceding claims, further comprising: a control element connected to the measuring instrument electronics (20.1) of the first measuring instrument (M1) via a signal connection, in particular designed as a (combined) display and control element, for (local) input from the includes (control) data useful for controlling the measuring instrument system and/or (configuration) data useful for (re)programming the measuring instrument electronics (20.1).
  9. Measuring device system according to the previous claim, wherein the measuring device electronics (20.1) of the first measuring device (M1) is configured to receive (control) data entered via operating element, in particular to execute control commands contained in the (control) data.
  10. Measuring device system according to the previous claim, wherein the measuring device electronics (20.1) of the first measuring device (M1) is configured to execute one or more control commands entered via the operating element, in particular to switch from the first operating mode to the second operating mode.
  11. Measuring instrument system according to one of the preceding claims, further comprising: a display element connected to the measuring instrument electronics (20.1) of the first measuring instrument (M1) via a signal connection, in particular designed as a (combined) display and control element and/or having one or more light-emitting diodes (LEDs), for (local) display of (measurement and/or operating) data of the measuring instrument system, in particular (digital) measured values for the at least one measured quantity and/or one or more (warning) messages signaling a fault of the measuring instrument system.
  12. Measuring device system according to the previous claim, wherein the measuring device electronics (20.1) of the first measuring device (M1) is configured to transmit (measurement and/or operating) data, in particular (digital) measured values for the at least one measured quantity and/or one or more (warning) messages signaling disturbances of the measuring device system, to the display element.
  13. Measuring instrument system according to the preceding claim, - wherein the display element is configured to display (measurement and/or operating) data, in particular measured values for the at least one measured quantity, numerically, in particular alphanumerically; and/or - wherein the display element is configured to display (measurement and/or operating) data, in particular one or more (warning) messages signaling a malfunction of the measuring instrument system, in a color-coded manner.
  14. Measuring device system according to one of the preceding claims, wherein the measuring sensor of each of the first and second measuring devices has at least one (measuring) tube with a lumen enclosed by a wall, in particular made of metal, extending from a first (tube) end to a second (tube) end.
  15. Measuring device system according to the preceding claim, wherein each of the (measuring) tubes of the first and second measuring devices is each configured to be supplied with measuring medium, in particular to be supplied with measuring medium and to be vibrated during this time.
  16. Measuring device system according to one of the preceding claims, wherein the measuring sensor of each of the first and second measuring devices has or is formed with a vibration element, in particular a tubular one.
  17. Measuring device system according to the preceding claim, - wherein each of the vibration elements is configured to be contacted by a measuring medium, in particular by flowing around or through it, and to be vibrated during this time, in particular by performing at least partial (forced) mechanical vibrations with at least one (corresponding to an instantaneous resonance frequency fR of the respective sensor (10.1; 10.2) and/or not less than 50 Hz (Hertz) and/or not more than 2 kHz) useful frequency; and/or - wherein the vibration element of each of the first and second measuring instruments is configured (driven by the excitation arrangement) to perform at least partially (forced) mechanical vibrations with at least one, in particular an instantaneous resonance frequency fR of the respective sensor (10.1; 10.2) and/or not less than 50 Hz (Hertz) and/or not more than 2 kHz, in particular such that the useful frequency of the vibration element of the second measuring instrument deviates from the useful frequency of the vibration element of the first measuring instrument by more than 0.1 Hz (Hertz), in particular not less than 0.5 Hz and/or not more than 10 Hz; and/or - wherein the at least one (first) measurement signal (s1.1; s1.2) of each of the first and second measuring devices represents mechanical vibrations of the respective vibration element, in particular a velocity of vibrational movements of the vibration element; and/or - wherein the excitation arrangement of each of the first and second measuring devices comprises at least one, in particular electrodynamic or piezoelectric, vibration exciter, which vibration exciter is configured to convert electrical (excitation) power fed into the excitation arrangement into forced mechanical (useful) vibrations of the sensor, in particular a vibration element of the sensor around a static rest position, (actively) exciting mechanical power.
  18. Measuring instrument system according to one of the preceding claims, - wherein, by means of the sensor of the first measuring instrument (M1) with (measuring instrument) electronics (20.1) operating in the first operating mode (I.1), a second disturbance is induced in the measuring instrument system, in particular superimposing the measuring effect effected by means of the sensor of the second measuring instrument (M2) and/or influencing the functionality of the measuring instrument system and/or impairing the measuring accuracy of the second measuring instrument - and wherein said second disturbance is transmitted to the second measuring instrument, in particular via a pressure device or the medium carried therein, such that the measuring signal (s1.2) of the sensor of the second measuring instrument (M2) is at least partially dependent on the second disturbance, in particular, namely, when the (measuring instrument) electronics (20.1) of the first measuring instrument (M1) are operating in the first operating mode, a signal parameter is dependent on both the respective measured quantity and the second disturbance. exhibits.
  19. Measuring instrument system according to the preceding claim, - wherein the (measuring instrument) electronics of the second measuring instrument (M2) are configured, while the (measuring instrument) electronics of the first measuring instrument (M1) are operating in its first operating mode (I.1), to be operated at least temporarily in a second operating mode (II.2); - and wherein the measuring instrument system electronics of the second measuring instrument (M2) are configured, in its second operating mode (II), to receive and evaluate the at least one (first) measurement signal (s1.2), in particular representing the second disturbance, and in particular to detect and/or quantify the second disturbance using the at least one (first) measurement signal (s1.2) received during the second operating mode.
  20. Measuring device system according to the preceding claim, wherein the (measuring device) electronics of the second measuring device (M2) are configured in the second operating mode (II.2) to: - not energize the excitation arrangement for a set, in particular adjustable and/or not less than 1 s (second), duration Tnexc2; - and also to receive and evaluate the at least one (first) measurement signal (s1), in particular not representing a measurement effect (caused by means of the associated excitation arrangement) and/or (merely) the (second) disturbance, in particular to detect and/or quantify the (second) disturbance using the at least one (first) measurement signal (s1) received during the second operating mode.

Description

The invention relates to a measuring device system formed by means of a pressure device for guiding and/or holding one or more (fluid) measuring substances and by means of two or more (flow) measuring devices for measuring one or more measured quantities of one or more measuring substances held or guided in the pressure device, as well as a method for operating such a measuring device system. In process engineering plants, such as filling or refueling systems or bioreactors, measuring systems are often used to determine one or more measured variables, such as mass flow and/or volume flow, of one or more (fluid) substances. These systems typically consist of two or more (independent) measuring devices, such as Coriolis flowmeters (CDMs) or magnetic-inductive flowmeters (MIDs). Examples of such measuring systems, formed by a first measuring device and at least one second (flow) meter, and used, for example, as part of a filling or refueling system, include, among others, the following: EP-A 2 613 126 , the US-A 2017/0199529 , the US-A 2002/0000259 , the US-A 2004/0141409 , the US-A 2010/0082168 , the US-A 2013/0061685 , the US-A 2013/0340519 , the WO-A 0058696 , the WO-A 02/097379 , the WO-A 2004017027 , the WO-A 2005005938 , the WO-A 2011/019344 , the WO-A 2013/006171 , the WO-A 2016/059132 , the WO-A 2017/143577 , the WO-A 2017/146717 , the WO-A 2019/245752 , the WO-A 2020/035589 , the WO-A 2020/186279 or the WO-A 2021/206870 known. Measuring instrument systems of the type in question comprise a system formed by means of one or more fluidically interconnected (process) lines, for example also for Directive 2014/68/EU A compliant pressure vessel for conveying and/or holding one or more (fluid) substances, such as a gas, a liquid, or a dispersion, into which at least two (flow) measuring devices are integrated, for example, such that the (flow) measuring devices are located in close proximity to each other and/or are fluidically connected. Each of the aforementioned measuring devices has an (electrical-to-physical-to-electrical) sensor and (measuring device) electronics electrically connected to the respective sensor, typically formed by one or more microprocessors. The sensor of each measuring device is (fluidically) connected to the pressure vessel, in particular by means of a flange connection, specifically by being inserted into a (process) line of the pressure vessel, and is configured to be contacted by the respective substance, for example, to be at least temporarily flowed through by the substance. Each measuring device also includes both an excitation arrangement, formed, for example, by at least one electrical coil and/or at least one (electrodynamic or piezoelectric) vibration exciter, and a sensor arrangement, formed, for example, by at least one (electrodynamic or piezoelectric) vibration sensor. Both the excitation arrangement and the sensor arrangement are coupled to the respective (measuring device) electronics via signal transmission, for example, by being electrically connected to the (measuring device) electronics via a signal line. The excitation arrangement of each measuring device is configured to convert an supplied electrical (excitation) power into a mechanical (measuring) power suitable for producing a measurement effect dependent on the at least one measured quantity (of the sensor), for example, non-electrical and/or forced mechanical (useful) vibrations of the vibration element (actively) exciting, while the sensor arrangement of each measuring device is configured to detect a measurement effect dependent on the at least one measured quantity (of the measured material or the sensor), for example, (measured by the at least one measured quantity) mechanical vibrations of the sensor, and to convert it into a measurement signal representing the same measurement effect, such as the velocity of vibrational movements of the sensor, and to provide it to the respective (measuring device) electronics. The (measuring instrument) electronics are each configured (in normal measuring operation) to both energize the respective excitation arrangement, namely to feed an electrical driver signal, in the case of a Coriolis mass flow meter, for example, with a predefinable and/or an instantaneous (mechanical) resonance frequency of the respective sensor and/or a predefinable signal amplitude, into the respective excitation arrangement, such that at least one (physical) measuring effect dependent on the at least one measured quantity and detectable by the sensor arrangement is effected in the measured medium and that the respective measuring signal is at least partially dependent on the respective measuring effect, in particular, has a signal parameter dependent on the respective measured quantity, and also to receive and evaluate the at least one measuring signal, in particular, to determine (digital) measured values representing the respective at least one measured quantity (using the at least one r