WO2013092105A1 - Transmetteur d'inclinaison pour convertisseur de mesure, convertisseur de mesure avec interface pour transmetteur d'inclinaison et procédé de détermination de l'inclinaison d'un convertisseur de mesure - Google Patents

Transmetteur d'inclinaison pour convertisseur de mesure, convertisseur de mesure avec interface pour transmetteur d'inclinaison et procédé de détermination de l'inclinaison d'un convertisseur de mesure Download PDF

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Publication number
WO2013092105A1
WO2013092105A1 PCT/EP2012/073370 EP2012073370W WO2013092105A1 WO 2013092105 A1 WO2013092105 A1 WO 2013092105A1 EP 2012073370 W EP2012073370 W EP 2012073370W WO 2013092105 A1 WO2013092105 A1 WO 2013092105A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmitter
inclination
detector
axis
respect
Prior art date
Application number
PCT/EP2012/073370
Other languages
German (de)
English (en)
Inventor
Michael Kirst
Original Assignee
Endress+Hauser Gmbh+Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Endress+Hauser Gmbh+Co. Kg filed Critical Endress+Hauser Gmbh+Co. Kg
Publication of WO2013092105A1 publication Critical patent/WO2013092105A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/78—Direct mass flowmeters
    • G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
    • G01F1/84—Coriolis or gyroscopic mass flowmeters
    • G01F1/8409—Coriolis or gyroscopic mass flowmeters constructional details
    • G01F1/8427—Coriolis or gyroscopic mass flowmeters constructional details detectors

Definitions

  • TRANSMIT TESTS TRANSMITTERS WITH A TILT TERMINAL INTERFACE AND TRANSMITTER TERMINATION METHOD
  • the present invention relates to a tilt detector for a
  • Transmitter a transmitter with an interface for such a tilt detector and a method for determining the inclination of a
  • Transmitter Some transmitters have position-dependent measurement errors caused by external fields, such as the gravitational field, the Earth's magnetic field, or a centrifugal field. It is known to equip transducers with a tilt detector for these position-dependent measurement errors
  • the published patent application DE201010002157 discloses a pressure transmitter with a hydraulic pressure transmitter and a
  • Tilt detector which makes it possible to compensate for inclination-dependent influences on the internal hydrostatic pressure of the diaphragm seal.
  • the solutions mentioned serve their purpose, but with the following disadvantages:
  • the tilt detector takes up space in the housing, it costs money, the price increases with accuracy, and it is another component that in terms of energy consumption and - for example in the
  • the object is achieved by a tilt detector according to the independent claim 1, a transmitter according to the independent claim 7, a measuring system according to the independent claim 10 and a method according to the independent
  • the inclination detector comprises a detector housing, wherein the detector housing has a first coupling element of a connector coupling, whereby the detector housing in a defined orientation is detachably mechanically connected to a complementary, second coupling element of the connector coupling, a tilt sensor arrangement in a defined orientation with respect to the detector housing the detector housing is firmly connected, wherein the
  • Tilt sensor arrangement is provided to detect the inclination of at least a first axis of the detector housing with respect to an external field; and a converter circuit for generating and providing a signal dependent at least on the detected inclination of the first axis with respect to the external field.
  • the inclination sensor arrangement is also suitable for detecting the inclination of a second axis with respect to the external field, wherein the second axis is preferably perpendicular to the first axis, and wherein the converter circuit for generating and providing a signal or a signal tuple, which depends on the inclination of the first and second axes with respect to the external field.
  • the converter circuit is suitable for providing the signal or the signal tuple at the connector coupling.
  • the inclination detector is designed as a so-called service plug.
  • the housing of the tilt detector also serves as a connector housing which is connected to a cable, which via the connector coupling, for example, to a transmitter
  • a service device such as a computer.
  • the signal or signal tuple can equally wirelessly, for example via Bluetooth, Zigbee or as an RFID signal or via cable to a
  • Signal tuple determined data can be transmitted to the transmitter.
  • the external field is a gravitational field, in particular gravity on earth.
  • the external field comprises a magnetic field, in particular the geomagnetic field.
  • the external field comprises an acceleration field, in particular a centrifugal field.
  • the transmitter according to the invention for providing a measurement signal on the basis of a measurement path has a measurement path with a cross-sensitivity to at least one external field, the cross-sensitivity depending on the inclination of at least a first axis of the transmitter with respect to the external field, wherein the transmitter has a processing circuit which is suitable is to take into account the cross-sensitivity of the measuring path to the external field from signals representing the slope of at least the first axis with respect to the external field or which depend on the inclination of the first axis, the transmitter having a coupling element of a connector coupling, which in a defined orientation at least with respect to the first axis of the transmitter, wherein a complementary coupling element in a defined orientation with respect to the first axis of the transmitter is connectable, and wherein the connector coupling has an interface to the processing circuit, and wherein the processing circuit is adapted from the Interface to receive the signals representing the inclination of the at least one axis with respect to the external field.
  • the transmitter according to the invention can according to a development of the invention, the transmitter also have a converter housing, within which the processing circuit is placed,
  • measuring path in the context of the present invention refers to a sequence of sampling, conversion and / or
  • the transmitter according to the invention can in particular a
  • Pressure transmitter whose measuring path comprises a hydraulic diaphragm seal for transmitting a media pressure to a pressure sensor.
  • this hydraulic pressure transmitter can cause a slope-dependent cross-sensitivity of the transmitter, as described for example in DE201010002157.
  • the pressure sensor usually comprises a measuring diaphragm whose pressure-dependent deformation is converted by means of a (piezo) resistive or capacitive transducer into an electrical signal. Thereafter, the measuring section comprises further electronic or
  • the term "electronic” here includes both analog and digital electronics.
  • the measurement signal to be output for example, an analog 4 ... 20 mA or a digital signal which in particular the HART standard, the Foundation Fieldbus standard or the Profibus standard is sufficient.
  • the connector coupling may according to an embodiment of the invention comprise a USB connector coupling, which ensures a one-to-one orientation of the components connected by means of the connector coupling to each other, provided that the coupling elements are respectively fixed and connected in a defined orientation.
  • the measuring system comprises a transmitter for
  • the transmitter having a processing circuit adapted to take into account the cross-sensitivity of the measurement path to the external field from signals representing the slope of at least the first axis with respect to the external field or which depend on the slope of the first axis,
  • the transmitter is a coupling element of a
  • Connector coupling which is arranged in a defined orientation at least with respect to the first axis of the transmitter, wherein a complementary coupling element is connectable in a defined orientation with respect to the first axis of the transmitter,
  • the connector coupling being an interface to the
  • processing circuit is adapted to receive from the interface the signals representing the inclination of the at least one axis with respect to the external field, wherein the inclination detector,
  • the detector housing has a first coupling element of a connector coupling, with which the detector housing is releasably mechanically connected in a defined orientation to a complementary, second coupling element of the connector coupling,
  • a tilt sensor arrangement which is fixedly connected in a defined orientation with respect to the detector housing with the detector housing, wherein the tilt sensor arrangement is provided to detect the inclination of at least a first axis of the detector housing with respect to an external field
  • a converter circuit for generating and providing a dependent on at least the detected inclination of the first axis with respect to the external field signal
  • the inclination detector is releasably connected to the transmitter to form the connector coupling, such that the coupling element of the inclination detector is engaged with the coupling element of FIG.
  • the inventive measuring system can according to a development of
  • Invention of the transmitter have a converter housing, within which the processing circuit is placed such that tilt detector extends outside of the converter housing.
  • Transmitter comprises: connecting a tilt detector according to the invention with a transmitter according to the invention by connecting the
  • Tilt detector and transmit signals representing the slope value or signals derived from the slope value to the transmitter.
  • the slope value determined by the slope detector may correspond to the slope value of the transducer axis with respect to the external field.
  • the signals are used to check whether a current installation position of the sensor is valid, that is, whether the influence of the
  • the inclination detector is separated again by the transmitter, for example shortly after the signals which represent the inclination value, or signals which have been derived from the inclination value have been transmitted to the transducers, or briefly before the transmitter is to start its normal measuring operation.
  • the measuring signal using the same signals, which
  • Fig. 1 a view of a first embodiment of a tilt detector according to the invention, which is attached to a transmitter according to the invention to determine its inclination.
  • FIG. 2 shows a view of a second embodiment of a
  • the transmitter according to the invention is plugged to determine its inclination.
  • a transmitter 2 in particular a pressure transmitter by means of a USB interface, not shown here.
  • the transmitter 2 is in turn mounted on an inclined surface of a container 3. With the inclination detector 1, the inclination of the transmitter 2 is to be determined, and the inclination or a quantity derived therefrom must be communicated to the transmitter 2.
  • the inclination detector 1 comprises a housing 10 with a coordinate system 1 1, whose inclination with respect to the vertical V by means of a Inclination sensor arrangement is to be determined in the housing.
  • the housing 10 of the tilt detector 1 1 is arranged in a defined orientation on an end face of a substantially cylindrical housing 20 of the transmitter 2.
  • the housings can have surface sections which are complementary to one another in the region of their contact. In the simplest case, these are plane-parallel surface sections, but it may also be complementary concave or convex structures, which engage with each other when the tilt detector is plugged onto the connector. These surface sections can continue to be formed according to the so-called poka-yoke principle, to a clear orientation
  • the unique orientation can equally be determined by the structures of the connector coupling, as is the case for example with a USB connector coupling.
  • the inclination detector may for example also be integrated in a so-called service plug, with which the transmitter 2 is connected via a cable 12 to a higher-level unit, such as a portable computer, temporarily, such as during commissioning of the transmitter or during a review of the same.
  • the inclination detector can - as a supplement or as a substitute for the cable connection formed by means of the cable 12 - have a radio module to communicate with the same parent unit.
  • the inclination data or data derived therefrom must be available to the transmitter for measuring operation, in particular also such that during the generation of measuring signals by means of the transmitter an inclination of at least a first axis of the transmitter with respect to an external field, to which inclination the measuring path is a dependent quench has, can be taken into account or that the influence of the same slope on the measuring section can be compensated accordingly by means of the transmitter.
  • the preparation of the inclination data can be carried out when determining the inclination, for example when commissioning the transmitter, of each of the components mentioned, ie the transmitter, the inclination detector and / or the higher-level unit.
  • Tilt detector collapses. This would be for example at a
  • Transmitter housing 20 extends when tilt detector 2 also has an axis parallel to the longitudinal axis of transmitter housing 20 and when the tilt detector detects the inclination of that axis with respect to the external field as shown in FIG.
  • the situation illustrated in FIG. 2 differs from the previous one in that although the inclination detector 1 is still in a defined position
  • the inclination detector can now be disconnected again from the transmitter, for example shortly after the signals which the
  • Transmitter absorbs its actual, serving to generate measurement signals measuring operation, to be used again thereafter in another with regard to its inclination transmitter.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

L'invention concerne un transmetteur d'inclinaison (1), destiné notamment à un convertisseur de mesure (2), comprenant un boîtier de transmetteur (10) qui présente un premier élément d'accouplement d'un accouplement embrochable au moyen duquel le boîtier de transmetteur (10) peut être raccordé selon une orientation définie à un deuxième élément d'accouplement complémentaire de l'accouplement embrochable, en particulier d'un convertisseur de mesure (2), un système de capteur d'inclinaison (1) relié au boîtier de transmetteur selon une orientation fixe par rapport à ce dernier, ledit système de capteur d'inclinaison étant prévu pour détecter l'inclinaison d'au moins un premier axe (11) du boîtier de transmetteur (10) par rapport à un champ extérieur (V), et un circuit de conversion servant à générer et délivrer un signal qui est fonction de l'inclinaison détectée du premier axe par rapport au champ extérieur.
PCT/EP2012/073370 2011-12-23 2012-11-22 Transmetteur d'inclinaison pour convertisseur de mesure, convertisseur de mesure avec interface pour transmetteur d'inclinaison et procédé de détermination de l'inclinaison d'un convertisseur de mesure WO2013092105A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011089846.8 2011-12-23
DE102011089846A DE102011089846A1 (de) 2011-12-23 2011-12-23 Neigungsmelder für einen Messumformer, Messumformer mit einer Schnittstelle für einen Neigungsmelder und Verfahren zum Ermitteln der Neigung eines Messumformers

Publications (1)

Publication Number Publication Date
WO2013092105A1 true WO2013092105A1 (fr) 2013-06-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/073370 WO2013092105A1 (fr) 2011-12-23 2012-11-22 Transmetteur d'inclinaison pour convertisseur de mesure, convertisseur de mesure avec interface pour transmetteur d'inclinaison et procédé de détermination de l'inclinaison d'un convertisseur de mesure

Country Status (2)

Country Link
DE (1) DE102011089846A1 (fr)
WO (1) WO2013092105A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019396A1 (de) 2014-12-30 2016-06-30 Endress+Hauser Flowtec Ag Verfahren zum Messen einer Dichte eines Fluids
WO2016107693A1 (fr) 2014-12-30 2016-07-07 Endress+Hauser Flowtec Ag Procédé de mesure de densité d'un fluide

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017130979A1 (de) * 2017-12-21 2019-06-27 Endress+Hauser SE+Co. KG Messgerät zur Ermittlung eines Absolut- und/oder Differenzdrucks eines Mediums und ein Verfahren zum Betrieb eines Messgeräts zur Ermittlung eines Absolut- und/oder Differenzdrucks eines Mediums

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007109177A2 (fr) 2006-03-16 2007-09-27 Celerity, Inc. Dispositif de commande ou de mesure de débit massique à capteur d'inclinaison
WO2008080802A1 (fr) 2006-12-29 2008-07-10 Endress+Hauser Flowtec Ag Procédé de mise en service et/ou de surveillance d'un appareil de mesure en ligne
DE102008063261A1 (de) * 2008-12-31 2010-07-08 Elster Meßtechnik GmbH Volumenzähler für Flüssigkeiten
DE102010002157A1 (de) 2010-02-19 2011-08-25 Endress + Hauser GmbH + Co. KG, 79689 Druckmessaufnehmer und Differenzdruckmessaufnehmer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7509220B2 (en) * 2006-08-16 2009-03-24 Rosemount Inc. Inclination measurement in process transmitters
EP2124018A1 (fr) * 2008-05-21 2009-11-25 VEGA Grieshaber KG Procédé et système de balayage de chaîne dans un système de communication sans fil
US8113062B2 (en) * 2008-09-30 2012-02-14 Nellcor Puritan Bennett Llc Tilt sensor for use with proximal flow sensing device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007109177A2 (fr) 2006-03-16 2007-09-27 Celerity, Inc. Dispositif de commande ou de mesure de débit massique à capteur d'inclinaison
WO2008080802A1 (fr) 2006-12-29 2008-07-10 Endress+Hauser Flowtec Ag Procédé de mise en service et/ou de surveillance d'un appareil de mesure en ligne
DE102008063261A1 (de) * 2008-12-31 2010-07-08 Elster Meßtechnik GmbH Volumenzähler für Flüssigkeiten
DE102010002157A1 (de) 2010-02-19 2011-08-25 Endress + Hauser GmbH + Co. KG, 79689 Druckmessaufnehmer und Differenzdruckmessaufnehmer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014019396A1 (de) 2014-12-30 2016-06-30 Endress+Hauser Flowtec Ag Verfahren zum Messen einer Dichte eines Fluids
WO2016107693A1 (fr) 2014-12-30 2016-07-07 Endress+Hauser Flowtec Ag Procédé de mesure de densité d'un fluide

Also Published As

Publication number Publication date
DE102011089846A8 (de) 2013-08-29
DE102011089846A1 (de) 2013-06-27

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