A measuring system and method are provided for forecasting a region reaction at defined target locations in a drainage basin of water. At least the water level, the soil moisture, and/or a possible precipitation are measured using corresponding measuring devices at meaningful sites of the drainage basin. Based on such measured values, the region reaction, i.e., a flow rate and/or a water level, is forecast using a decentral evaluation unit for the target locations in the relevant time period. In the evaluation unit is a self learning algorithm based on artificial intelligence for producing the relationship between the entering measured values and the resulting flow rates and/or water levels. An early and highly resolved high water warning can be implemented for a drainage basin. The measuring system in the case of forecasted exceeding of defined limit values outputs, for example, a corresponding warning signal to competent control stations.
A decoupling unit for a device for determining and/or monitoring a process variable of a medium includes a sensor unit having a mechanically vibratable unit and a drive/receiving unit, which is configured to excite the vibratable unit to vibrate using an electrical excitation signal, to receive the vibrations of the vibratable unit, and to convert the vibrations into an electrical reception signal. The decoupling unit includes a tubular body, wherein a first end region is configured to connect to the sensor unit of the device and a second end region is configured to connect to a further component of the device, in particular an extension element, or a housing of an electronics system of the device, and wherein a wall thickness of the tubular body is variable along a longitudinal axis of the tubular body.
G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
G01F 1/667 - Arrangements of transducers for ultrasonic flowmetersCircuits for operating ultrasonic flowmeters
A method for checking a first clock signal generator of a first field device in a process measuring system that includes the first field device and at least two other field devices having, in each case, a clock signal generator comprises producing an actual frequency of the first clock signal generator, transmitting the produced actual frequency and the desired frequency of the first clock signal generator to the two other field devices, ascertaining deviations of the actual frequency from the desired frequency via the clock signal generators of the two other field devices, transmitting the ascertained deviations to the first field device, comparing the ascertained deviations and/or an average value of the ascertained deviations with a predetermined tolerance range of the desired frequency of the at least first clock signal generator, and outputting state information concerning the first clock signal generator based on the comparison.
An electrical assembly for an electrical fill level measuring device for measuring a fill level of a medium in a containment comprises an electrically conductive probe having a plastic coating in a central region and a process connection. The probe is seated by means of a rotationally symmetric, especially ring shaped or tubular, seal radially relative to the process connection. The seal is connected with the plastic coating by material bonding by means of a weld method. The probe is seated radially and/or axially in a housing near end region by a seating means rotationally fixed in at least one rotational direction.
G01F 23/24 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
G01F 23/263 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
G01F 23/2962 - Measuring transit time of reflected waves
5.
PRESSURE TRANSDUCER FOR DETERMINING AND/OR MONITORING THE PRESSURE OF A MEDIUM
A pressure measuring transducer for determining and/or monitoring pressure of a medium, comprises a measuring unit and, arranged in the measuring unit, a first pressure sensor which is supplied on a first face with the pressure of the medium and on a second face with a second pressure, and an isolating diaphragm system having a first isolating diaphragm and a second isolating diaphragm which each have an axisymmetric deflection, on which is superimposed a non-axisymmetric, especially antisymmetric, deflection, for achieving a volume change in a pressure chamber.
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
A radar based, fill level measuring device for determining fill levels in containers, wherein the fill level measuring device can be applied for a large number of different applications, includes a signal production unit designed to produce a first transmitted radar signals within a first frequency band and supplementally a second transmitted radar signal within a second frequency band that does not overlap with the first frequency band and is clearly separated therefrom. The evaluation unit of the fill level measuring device can determine a first fill level value based on the first received signal. Based on the second received signal potentially another fill level value can be determined. In this way, the fill level measuring device can be adapted as regards frequency band to the particular application. The ascertained fill level can be checked for plausibility by comparing the fill level values ascertained in different frequency bands.
A method for determining and/or monitoring at least one process variable of a medium in a containment using a measuring probe having two electrodes comprises,
in a first operating mode, supplying a first electrode of the measuring probe with a first excitation signal, wherein a second electrode of the measuring probe serves as receiving electrode, and wherein a first received signal is received from the measuring probe,
in a second operating mode, supplying the first electrode of the measuring probe with a second excitation signal, wherein the second electrode of the measuring probe serves as ground electrode, and wherein a second received signal is received from the measuring probe, and
ascertaining the at least one process variable based on the first and/or second received signal.
A method for determining and/or monitoring at least one process variable of a medium in a containment using a measuring probe having two electrodes comprises,
in a first operating mode, supplying a first electrode of the measuring probe with a first excitation signal, wherein a second electrode of the measuring probe serves as receiving electrode, and wherein a first received signal is received from the measuring probe,
in a second operating mode, supplying the first electrode of the measuring probe with a second excitation signal, wherein the second electrode of the measuring probe serves as ground electrode, and wherein a second received signal is received from the measuring probe, and
ascertaining the at least one process variable based on the first and/or second received signal.
Further disclosed is a device embodied for performing a method of the invention.
G01F 23/263 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
G01F 23/24 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
A modular field device includes two electronic modules with a first electronics module secured in a housing inner space. A second electronics module is mechanically and electrically connectable with the first electronics module. Serving for electrical contacting is a plug contact composed of plug- and corresponding socket arrangements. In such case, the plug contact comprises a circuit board, on which one of the arrangements is soldered, and a corresponding circuit board seat at one of the electronic modules. The circuit board seat includes a circuit board guide and an end stop element for the arrangements associated therewith. During manufacture, the circuit board is introduced into the guide. Because according to the invention the end stop is, however, formed on the arrangement and not on the circuit board, no unintended force is exerted on the solder sites between circuit board and the arrangement located thereon.
An FMCW-based fill-level meter comprises a signal generating unit for generating the ramp-shaped signal; an antenna for transmitting the signals towards the contents and for receiving the corresponding received signal; a signal processing unit which generates a frequency spectrum of the analysis signal per measurement cycle according to the FMCW principle; and a control/analysis unit to determine the distance using the frequency spectrum. The fill-level meter is characterized in that a frequency band and a measurement range can be specified, and on the basis thereon the fill-level meter can autonomously set or change the threshold frequencies and/or the ramp gradient. This is advantageous is that the use location of the fill-level meter is not limited to specific regions, such as China, the USA, or Europe, after being manufactured.
The invention relates to an FMCW radar-based distance meter by means of which the distance to an object can be reliably determined. The distance meter comprises at least: a signal generation unit for generating corresponding high-frequency signals; an HF antenna for transmitting and receiving the radar signals; and an evaluation unit typical for FMCW. The evaluation unit includes an additional averaging stage that averages the intermediate-frequency signal in the signal direction over time before the frequency spectrum is created. This significantly improves the signal-to-noise ratio of the intermediate-frequency signal. Overall, the correct maximum in the frequency spectrum, said maximum representing the distance, can thus be determined in a significantly more reliable manner.
G01S 13/32 - Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
A method for determining and/or monitoring the conductivity of a medium using a measuring probe having at least one electrode comprises method steps as follows: supplying the measuring probe with an excitation signal, receiving a received signal by the measuring probe, ascertaining an ohmic part of the received signal, and determining the conductivity of the medium based on the ohmic part of the received signal. Furthermore, the invention relates to a device embodied for performing the method of the invention.
G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
G01F 23/24 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
G01F 23/26 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
G01N 27/07 - Construction of measuring vesselsElectrodes therefor
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
A radar based, fill level measuring device for measuring fill levels in containers via small, lateral openings of the containers comprises a tubular antenna arrangement with a tube axis suitable for the container opening. In a tube end region protruding out into the container, a radar-bundling means is arranged, which is oriented perpendicular to the fill substance. Arranged in the tube interior of the antenna arrangement in the focal point of the radar-bundling means is a primary radiator connected with the transmitting/receiving electronics and, via the radar-bundling means, transmits the radar signal to the fill substance and receives the reflection from the fill substance. The compactness of the antenna arrangement required for the container opening is achieved in that the radar-bundling means and the primary radiator each have an asymmetric aperture which is larger in parallel with tube axis than orthogonally to the tube axis.
G01S 13/88 - Radar or analogous systems, specially adapted for specific applications
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
H01Q 19/06 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using refracting or diffracting devices, e.g. lens
An intrinsically safe field device of automation technology for use in an explosion-hazard area comprises two connection terminals for connecting a two-wire line; a sensor and/or actuator element for detecting and/or setting a process variable; and a field device electronic system that is connected to the first and second connection terminal and conducts a current supplied via the two-wire line via a current path. The field device electronic system is designed to transmit process variables detected via the sensor element via the two-wire line and/or receive a process variable to be set by the actuator element via the two-wire line The field device electronic system has a shunt resistor circuit with a shunt resistor and two diodes connected in parallel to the shunt resistor. The diodes are in the current path in the flow direction.
A process automation system includes a central controller, a four-conductor, multi-drop bus, 1 to 16 1-5 V field devices, and 1 to 16 coupler boxes, each coupler box connecting a respective field device with the bus. The central controller includes a dual-tone, multiple-frequency (DTMF) encoder and each coupler box includes a DTMF decoder. Each coupler box isolates its associated field device's 1-5 V signal from the bus unless the coupler box is addressed by the central controller via a DTMF signal.
H03K 5/22 - Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
A method for determining and/or monitoring first and second process variables of a medium in a containment, wherein a sensor unit is excited by means of an excitation signal such that mechanical oscillations are executed, the mechanical oscillations are received by the sensor unit and converted into a first received signal, a transmitted signal is transmitted from the sensor unit and a second received signal is received, and a first process variable is ascertained based on the first received signal and a second process variable is ascertained based on the second received signal. The transmitted signal is selected in such a manner that a standing wave is produced at least in a part of the medium between a first component of the sensor unit and a second component of the sensor unit or a wall of the containment.
G01N 9/00 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity
G01F 1/66 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
16.
METHOD FOR CONTROLLING THE ENERGY CONSUMPTION OF AN AUTOMATION FIELD DEVICE
A method for controlling energy consumption of a field device of automation technology, comprises determining a minimum available total power for the field device; dividing the minimum available total power among individual modules of the field device in accordance with maximum allowable power requirements for the modules; determining an actual, current power requirement for at least one module; ascertaining a power difference between the maximum allowable power requirement determined for the at least one module and the actually current power requirement of the at least one module; controlling the at least one control component of the at least one module as a function of the ascertained power difference, so that the power difference is minimized, especially becomes zero and the at least one module utilizes the maximum allowable power requirement for such module.
The present disclosure relates to an automated method for predicting compatibility of assemblies for a functional unit of a field device of automation technology. With targeting, those combinations of assemblies are selected, which in combination lead to a functional unit, which can be described by functional parameters, wherein the functional parameters lie within a predetermined value range as a function of the particular application of the field device.
G05B 19/042 - Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
G01D 3/08 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for safeguarding the apparatus, e.g. against abnormal operation, against breakdown
18.
PRESSURE TRANSDUCER AND DIFFERENTIAL PRESSURE TRANSDUCER
A pressure transducer comprises a process module having a cylindrical main part made of a first material, wherein a pressure-sensitive process diaphragm and an axially disposed through-hole are provided in the main part, and a measuring module having a cylindrical base which is manufactured from a second material that differs from the first material. The base has a pressure sensor and a pin-like-portion, wherein the pin-like portion-projects into the through-hole such that an end portion of the pin-like portion is flush with the end portion of the main part facing the medium. The end portion of the pin-like portion is connected to the end portion of the main part facing the medium, wherein the pin-like portion tapers in the direction of the end portion of the pin-like portion.
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 13/06 - Devices or apparatus for measuring differences of two or more fluid pressure values using electric or magnetic pressure-sensitive elements
Circuit board for a field device of automation technology comprising a plurality of electronic components (4) and a potting compound container (2) made of a plastic and having a peripheral side wall defining an outer contour of the potting compound container, a potting compound cover adjoining the side wall and an opening located on the potting compound cover far side, wherein the potting compound container is set via the opening over at least a part of the plurality of electronic components (4) and filled with a potting compound in such a manner that electronic components covered by the potting compound have a predetermined, or defined, minimum covering, wherein the potting compound container is, however, not completely filled with potting compound and wherein in the potting compound cover in an edge region, which borders a transition from the side wall to the potting compound cover, at least one gap is present, which extends at least over a convex edge region of the outer contour.
A pressure transducer having a sensor module comprises a sensor body including a measuring cell chamber, in which a pressure measuring cell is contactable with a pressure via a first hydraulic path filled with a second pressure transfer liquid, and a transfer module for transferring a pressure to the first hydraulic path. The transfer module has, filled with a first pressure transfer liquid, a second hydraulic path, which extends from a process diaphragm through a transfer body to a transfer diaphragm. The transfer diaphragm is secured pressure-tightly on the transfer body. The sensor body is connected pressure-tightly with the transfer body in such a manner that the first hydraulic path is in communication with the transfer diaphragm such that the pressure of the second hydraulic path is transferable through the transfer diaphragm to the first hydraulic path.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
G01L 19/04 - Means for compensating for effects of changes of temperature
21.
RELATIVE PRESSURE MEASUREMENT RECORDER FOR DETERMINING A FIRST PRESSURE OF A MEDIUM
A relative pressure measuring transducer includes a process adapter having a basic body, which includes a pressure sensitive process diaphragm, a first pressure transfer line and a pressure sensor. A pressure-sensitive reference pressure diaphragm is also provided. The basic body includes a second pressure transfer line, which leads the reference pressure from the reference pressure diaphragm to the pressure sensor and supplies a second area of the pressure sensor with the reference pressure. A housing adapter is embodied to surround the process adapter at the reference pressure diaphragm. The housing adapter is arranged in such a manner relative to the process adapter that in the region of the reference pressure diaphragm an intermediate space is formed between the housing adapter and the process adapter, and in the housing adapter there is a passageway, which connects the intermediate space with the environment of the relative pressure measuring transducer.
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
The detection of spray mist in containers and the associated checking of the functioning of the corresponding spray head by a high-frequency measuring device includes transmitting a high-frequency signal into the container and receiving a corresponding reception signal after reflection in the container. A defined characteristic variable that can be assigned to the spray mist is determined on the basis of the reception signal. The presence of spray mist is detected if the determined characteristic variable corresponds to a predefined reference value. To use this as the basis to detect the functionality of the spray head, it is additionally necessary to control or detect the activation and deactivation of the spray head. This allows the spray head to be classified as functional if it is switched on, and the high-frequency measuring device detects the spray mist.
The present disclosure resides in a housing with a cable clamp. A lateral, traversing opening laterally opens a cable passageway. Three claws are located at different heights along a longitudinal axis, wherein two claws are located in a same angular range around the longitudinal axis. One claw is located in another angular range and at a height between the two other claws. Furthermore, the present disclosure relates to a device for determining and/or monitoring a process variable of a medium as well as to a cable clamp.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
A pressure sensor for measuring high pressures includes: a housing having a sealed volume filled with a compressible fill liquid, wherein the housing includes an elastically deflectable diaphragm having a rear side facing the filled volume and a front side opposite the rear side such that the diaphragm transmits a pressure applied to the front side of the diaphragm to the fill liquid; and a measuring unit adapted to ascertain a variable dependent on velocity of sound in the fill liquid and, based on the measured variable, to determine a pressure measured value representing the pressure on the front side of the diaphragm, wherein the fill liquid contains an organic compound, which is present in the fill liquid at a volume fraction of greater than 99%.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
25.
USE OF A GALLIUM-BASED ALLOY AS TRANSFER FLUID IN A DIAPHRAGM SEAL
The present disclosure is directed to a method of using a gallium-based alloy, such as a eutectic, gallium-based alloy, as pressure transfer liquid in a hydraulic pressure transfer means for determining a process pressure in a process, in which the process medium has a process temperature ≤400° C. and a process pressure <1 bar absolute, wherein the alloy contains, besides gallium, furthermore, at least one other component and the mixing ratio between gallium and the at least one other component is selected in such a manner that the alloy has a melting temperature less than 20° C.
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
C22C 28/00 - Alloys based on a metal not provided for in groups
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
26.
COMPUTER-IMPLEMENTED METHOD FOR COMPENSATING A SENSOR
A computer-implemented method for compensating a sensor through machine learning during the manufacturing of the sensor is provided. The first step includes providing a plurality of sensors. The second step includes determining data that have been already collected during the manufacturing and/or compensating of the sensor or the plurality of sensors. The determined data is provided to a neural network configured to determine compensation coefficients. The determined compensation coefficients are saved within the sensor so that the sensor can output compensated sensor values with the help of the determined compensation coefficients.
A sensor arrangement for determining and/or monitoring at least one process variable of a medium in a containment comprises a magnet arrangement having at least one permanent magnet and/or at least one coil for producing at least one magnetic field wherein the magnet arrangement is arranged and/or embodied in such a manner that the magnetic field penetrates, at least partially, through the medium in the containment and is influenced by at least one property of the medium; at least one magnetic field sensor for detecting the magnetic field; and an electronics for determining and/or monitoring the at least one process variable and/or characteristic variable based on the magnetic field. According to the invention, the magnet arrangement and the magnetic field sensor are arranged outside of the containment and secured on a wall of the containment.
A computer-implemented method for monitoring the state of a vibronic sensor comprising a mechanically vibratable unit and a drive/reception unit that is designed to excite the mechanically vibratable unit to vibrate mechanically, and to receive the mechanical vibrations of the mechanically vibratable unit and to convert them into a reception signal includes the following method steps: recording a spectrum of the vibronic sensor as input data, providing the input data to a neural network designed to determine a statement about the state of the vibronic sensor on the basis of the input data, and outputting the statement about the state of the vibronic sensor.
A diaphragm seal includes: a metallic diaphragm seal body; a dividing diaphragm; a dividing diaphragm chamber closed by the dividing diaphragm; a hydraulic channel extending, at least in sections, through the diaphragm seal body and communicating with the dividing diaphragm chamber, wherein the hydraulic channel and the dividing diaphragm chamber are filled with a transmission fluid; a filling channel, communicating with the hydraulic channel; and a closure body, which closes the filling channel, is introduced into the latter with a locating fit, and is welded to the diaphragm seal body, wherein the diaphragm seal body comprises a first material with a first degree of hardness, and the closure body comprises a second material with a second degree of hardness, which differs from the first degree of hardness by at least 10% of the lower one of the two degrees of hardness.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
30.
SYSTEM AND METHOD FOR MANAGING DATA OF AN AUTOMATION FIELD DEVICE IN A SECURE MANNER AGAINST MANIPULATION
A decentralized distributed ledger-type database comprises a plurality of subscriber nodes, comprising validation-capable subscriber nodes, and an automation field device with an electronic unit (running a distributed ledger software stack). The field device generates measurement values and/or calibration certificates requiring verification. The field device operates as a light node of the decentralized database after running the distributed ledger software stack and transmits data to the decentralized database via the communication network and writes it in encrypted form into the database. The validation-capable subscriber nodes validate the transmitted data, and the decentralized database stores the data if at least a specified proportion of the validation-capable subscriber nodes successfully validate the data. Read-authorized subscriber nodes decrypt and read the stored data in the decentralized database, with the database storing and running smart contracts. The calibration certificates include information about a start and end of a validity period of the certificates.
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
Disclosed is an IPx9-compatible automation field device at least comprising: a preferably metallic field device housing that encloses an interior and includes an integrated recess for accommodating a front film; a control and/or display element arranged in the area of the recess in the interior of the field device housing; a front film applied to the field device housing, said front film being introduced into the recess integrated into the field device housing.
A robustly designed field device for determining a process variable comprises a plastics-based housing having an interior and a passageway that adjoins the interior along a device axis; an enclosure of an electrically conductive material secured in the interior and formed to surround a first electronics module at least radially relative to the device axis; a measuring device neck that is secured to the enclosure such that it is oriented in the direction of the device axis and in communication with the passageway; and a sensor for determining the process variable and arranged at a housing far end region of the measuring device neck. As a result of this construction, a wear susceptible securement between the plastics-based housing and the metal measuring device neck can be avoided.
A method for determining and/or monitoring a predeterminable fill level of a medium in a containment with a sensor having a sensor unit with a mechanically oscillatable unit in the form of an oscillatory fork and at least one piezoelectric element comprises exciting the sensor unit with an excitation signal such that mechanical oscillations are executed, receiving the mechanical oscillations of the sensor unit and converting such into a first received signal, transmitting a transmitted signal from the sensor unit and receiving a second received signal and ascertaining information concerning the predeterminable fill level of medium in the containment based on the first received signal. Information concerning state of the sensor unit is ascertained based on the second received signal.
G01F 23/22 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
A modular field device includes a housing having a first housing part for a first electronics module and a separate, second housing part for a second electronics module. The housing parts are connected and the interiors thereof are interconnected, and the housing parts are rotatable relative to one another along a common housing axis. The field device comprises, in the housing interior, a transmission means which mechanically couples the second electronics module in the interior of the second housing part to the first housing part so that a rotation of the first housing part relative to the second housing part about the housing axis rotates the second electronics module. The electrical connection between the modules does not thus restrict the rotatability of the housing parts relative to one another.
A measuring device for determining a physical and/or chemical measured variable comprises a sensor element having an electrical transducer for providing measured variable dependent electrical, primary signals and a sensor body having at least one metallized surface section; an on- site electronics, wherein a first area of the on-site electronics includes a plurality of first contact areas that are mechanically and electrically connected with the at least one metallized surface section of the sensor element, wherein a second area of the on-site electronics includes a plurality of second contact areas; and a circuit board that includes a plurality of third contact areas in a first region, wherein the circuit board is mechanically and electrically connected with the on-site electronics by means of the second contact areas and the third contact areas.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
36.
ELECTRIC ASSEMBLY COMPRISING TWO PRINTED CIRCUIT BOARDS
An electric assembly comprises at least a first circuit board, a second circuit board, and, packaged in a housing, at least one integrated circuit. The first circuit board and the second circuit board have, respectively, a plurality of first contact areas and a plurality of second contact areas. The housing includes in a first area and in a second area, respectively, a plurality of third contact areas and a plurality of fourth contact areas. The third contact areas and/or the fourth contact areas are electrically connected with the integrated circuit. The first circuit board is mechanically and electrically connected with the first area of the housing via the first contact areas and the third contact areas, and the second circuit board is mechanically and electrically connected with the second area of the housing via the second contact areas and the fourth contact areas.
H05K 1/14 - Structural association of two or more printed circuits
H05K 3/34 - Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
An apparatus for determining and/or monitoring a process variable of a medium comprises a sensor unit having a mechanically oscillatable unit and a first piezoelectric element, wherein the piezoelectric element is in an internal volume of the oscillatable unit, wherein the apparatus is embodied to excite the mechanically oscillatable unit using an excitation signal such that mechanical oscillations are executed, to receive the mechanical oscillations of the oscillatable unit and to convert them into a first received signal, and, based on the first received signal, to determine and/or to monitor the at least one process variable. A coupling element is arranged in the internal volume in such a manner that the coupling element is in mechanical contact with the piezoelectric element.
G01N 9/00 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
An automation field device includes a metallic field device housing enclosing an interior; a sensor element and/or actuator element placed on one side on the field device housing, —for actuating and/or acquiring a process variable; an electronic circuit that is arranged in the interior of the field device housing and is configured to provide and/or process a sensor and/or actuator signal for and/or from the sensor element and/or actuator element, the electronic circuit furthermore having at least one field contact plug for transmitting data and/or energy, the field contact plug being guided outward through an opening in the field device housing, a custom-fit plug sleeve being plugged over the field contact plug, said plug sleeve being welded onto the field device housing and being fastened to a retaining means arranged in the interior.
A measuring system for detecting a boundary layer on a product in a container includes a radar-based measuring device with an antenna or a measuring sensor for transmitting high-frequency signals toward the product and, after reflection at the product surface, for receiving as received signals; a signal generation unit that generates the high-frequency signal; and a receiving unit that to record the received signal. The measuring system further includes an evaluation unit in which a machine learning algorithm is formed to detect the boundary layer on the basis of the received signal. The implementation of a machine learning algorithm according to the invention avoids the problem that the boundary layer or the additive product layer in the received signal often does not generate a clearly assignable signal maximum, which known distance measurement methods according to the prior art require for its detection.
G01S 7/41 - Details of systems according to groups , , of systems according to group using analysis of echo signal for target characterisationTarget signatureTarget cross-section
The disclosure relates to a method of installing a first connector for mounting along a longitudinal axis of a housing, in a field device housing, in which the connector is not installed along a longitudinal axis of the field device housing, but parallel to a transverse axis of the field device housing. The method comprises the following steps: providing a first circuit board; providing the field device housing; radially introducing the second circuit board into the field device housing through the housing opening; positioning the first connector of the first circuit board in or at the housing opening; inserting the second rigid connector of the first circuit board into the rigid counterpart connector of the second circuit board; introducing a connector sleeve which precisely fits the first connector into the housing opening and pushing the connector sleeve over the first connector; and welding the connector to the field device housing.
H01R 43/26 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
H01R 12/71 - Coupling devices for rigid printing circuits or like structures
H01R 12/72 - Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
41.
DEVICE FOR RECEIVING A DISPLAY FOR AN AUTOMATION FIELD DEVICE
A device for receiving a display, and for introduction into a display holder, for a field device of automation technology includes an essentially planar, rectangular, device body having a receiving area formed on a first side of the device body for receiving a display. At least one spring element is arranged on a second side of the device body and formed in such a manner that in a restrained state, in which the device is secured on a support plate, the spring element exerts a spring force on the support plate in such a manner that the device presses the display arranged in the receiving area in the direction of a normal vector of the receiving area.
The present disclosure relates to a measuring arrangement comprising a containment for a medium as well as to a measuring device for registering a property of the medium. The containment and/or the measuring device have/has, in each case, at least one apparatus, which apparatus includes a window to a lumen of the containment, wherein the window comprises a dielectric material, such as, for example, a glass or a ceramic, wherein the apparatus includes a ferromagnetic marking, which is adapted in case of a partial failure of the window to shed pieces into the medium, wherein a detector for detecting ferromagnetic materials is provided and adapted to check for presence of marking particles in the medium.
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
A radar-based fill level measuring device comprises an antenna for transmitting and receiving the radar signals, a transmitting/receiving unit which generates the radar signal and determines the fill level on the basis of the reflected received signal, and a waveguide for transmitting the radar signals between the antenna and the transmitting/receiving unit. The fill level measuring device includes an end stop element on the waveguide and a positioning attachment on the transmitting/receiving unit. The positioning attachment forms an end stop for the waveguide such that the waveguide is coupled to the transmitting/receiving unit so as to be secure for high frequencies. This significantly reduces the risk of the fill level measuring device being incorrectly assembled when inserting the waveguide.
Disclosed is a method for determining and/or monitoring at least two different process variables of a medium, wherein a sensor unit is excited to vibrate mechanically by means of an excitation signal, the mechanical vibrations are received from the sensor unit and are converted into a first reception signal, the sensor unit emits a transmission signal and receives a second reception signal, and a first process variable is determined on the basis of the first reception signal and a second process variable is determined on the basis of the second reception signal. Disclosed also is an apparatus configured to carry out a method according to the invention.
G01H 11/08 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means using piezoelectric devices
C12M 1/34 - Measuring or testing with condition measuring or sensing means, e.g. colony counters
H04B 11/00 - Transmission systems employing ultrasonic, sonic or infrasonic waves
45.
FILL-LEVEL MEASUREMENT USING A MACHINE LEARNING ALGORITHM
A measuring system and a corresponding measuring method for reliably determining a fill level of a filling material in a container comprises a radar-based measuring device having a transmission unit via which high-frequency signals can be transmitted towards the filling material and received as received signals after reflection on the filling material surface; furthermore having a signal generation unit which generates the high-frequency signal to be transmitted; and having a receiving unit which records the received signal. In an evaluation unit of the measuring system, a machine learning algorithm is designed such that the fill level can be detected on the basis of the received signal. By the machine learning algorithm, received signals which are recorded under complex measuring conditions such as interference and multiple reflections can be interpreted much more reliably.
A field device having a non-metallic housing and electrical components accommodated in a Faraday cage includes an electrically conductive pin to ground the cage. For this purpose, the housing includes a bushing into which the pin can be inserted along an axis. The housing and the cup are arranged relative to each other such that the receiving region of the cup for the end of the pin is aligned with the bushing along the insertion axis. The field device includes an electrically conductive spring that resiliently encloses the end of the pin in the receiving region radially with respect to the insertion axis such that the pin is electrically contacted with the cup. A particular advantage of this design is that the pin cannot tilt during insertion despite any component tolerances of the cup or of the housing.
A detection device for a magnetic sensor for detecting a magnetic field by means of a crystal body having at least one defect comprises a light source for exciting the defect; an excitation unit for producing a first excitation signal having a first specifiable frequency and a second excitation signal having a second specifiable frequency; a detector of a magnetic-field-dependent fluorescence signal of the crystal body; and an evaluation unit designed to determine the first excitation frequency and the second excitation frequency of the first and second excitation signals on the basis of the fluorescence signal such that the fluorescence signal as a function of the frequency has a minimum at the first excitation frequency and/or at the second excitation frequency Also disclosed is a magnetic sensor, a sensor device, and a method for detecting a magnetic field.
The invention relates to a level converter for adjusting a first reference potential and/or a first communication voltage of a first component to a second reference potential and/or a second communication voltage of a second component, wherein the level converter is arranged between the first component and the second component, wherein the level converter has a first transistor with a downstream first resistor, wherein the level converter is configured in such a way that the second reference potential drops at the first resistor in a blocked state of the first transistor and that the second communication voltage drops at the first resistor in an open state of the first transistor.
A method for checking a signal path of a sensor circuit for a field device, wherein the signal path includes a transducer for outputting analog raw measured values, an analog-digital converter to convert the analog raw measured values into digital raw measured values, and a digital processor designed to further process the digital raw measured values, includes: interrupting the measuring mode; replacing the analog raw measured values at an output of the transducer by an analog check signal; passing the analog check signal through the signal path so that the digital processor determines a measured value corresponding to the analog check signal; checking the determined measured value with a comparison value determined for the signal path; and, if the measured value determined for the analog check signal is outside a defined tolerance range for the comparison value, identifying a change in the state of the signal path.
A field device in which device-related data are intelligently stored such that the lifetime of the memory unit and thus the possible service life of the field device is increased initially buffer-stores the generated data in a FRAM-based buffer memory unit and then stores them as a common data packet in an EEPROM-based long-term memory unit as soon as the device-related data have reached a defined data volume in the buffer memory unit. Collecting the data beforehand and then copying the resulting data packet to the long-term memory unit in the form of a common dataset reduces the write cycles to the EEPROM memory, as a result of which the lifetime of the EEPROM memory is lengthened. It is not necessary to retain any large FRAM-based data memory, making it possible to keep memory space costs for the field device low.
The present invention relates to a magnetic field sensor for detecting a magnetic field, comprising: a magnetoelectric sensor element which can mechanically oscillate, the sensor element having at least one first layer made of a magneto-restrictive material, a second layer made of a piezoelectric material, and at least one electrode made of an electrically conductive material, more particularly metal; and electronics. The magnetic field sensor, more particularly the electronics, is designed to induce mechanical oscillations of the sensor element by means of an excitation signal, to receive the mechanical oscillations of the sensor element and to convert said mechanical oscillations into a reception signal, to produce the excitation signal from the reception signal, and to determine a variable related to the magnetic field on the basis of the reception signal.
An interface circuit enabling serial data communication between a master UART and a slave UART includes two master terminals, two slave terminals, and various logic gates and switches. If data are sent by the master UART before the interface circuit is internally configured, data are sent to both slave terminals. Data received from the slave UART internally configures the interface circuit to route slave transmit data to the master receiver and to route master transmit data to the slave receiver. A master UART including such an interface circuit is also disclosed.
A computer-implemented method for controlling and/or monitoring yeast propagation includes providing a mixture of yeast cells and wort, determining an original gravity of the wort or of the mixture and a temperature of the mixture at a start time, and calculating a theoretical end time for the yeast propagation on the basis of a logistic propagation model for the yeast propagation, on the basis of the original gravity and on the basis of the temperature at the start time.
The present disclosure relates to a ground connection terminal for fastening a ground connection cable to a field device of process and automation technology. The ground connection terminal comprises a connection element for connecting the ground connection terminal to the field device, and a clamping body for clamping the ground connection cable.
A level fork protection sleeve includes a first cylinder and a second cylinder disposed within the first cylinder. The cylinders are joined together via a material bonding such as welding. A gap in the second cylinder along its length provides a channel within the sleeve for the ingress and egress of liquid media. The sleeve is embodied to fit onto a shaft of a vibronic limit level device and to extend over and protect the vibrating member of the limit level device.
A differential pressure sensor for determining the differential pressure between two pressures includes a converter chamber including a differential pressure measuring cell, and a measuring unit including a main body and a coplanar double-membrane system with two double membranes, each including a separating membrane and an overload membrane with a pressure chamber between the separating membrane and the overload membrane and an additional pressure chamber between the overload membrane and the main body. Each pressure chamber and each additional pressure chamber is paired with at least one capillary connection such that in the event of an overpressure, the overpressure is hydraulically transmitted from the high-pressure side to the low-pressure side via a hydraulic fluid such that the overload membrane and the separating membrane are deflected, and the hydraulic fluid displaced from the high-pressure side to the additional pressure chamber on the low-pressure side before the overpressure reaches the pressure-sensitive element.
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 13/06 - Devices or apparatus for measuring differences of two or more fluid pressure values using electric or magnetic pressure-sensitive elements
A differential pressure transducer with overload protection includes a measuring element body, two separating diaphragms, two overload diaphragms with radially variable material thickness h(r), a differential pressure transducer for converting a pressure difference into an electrical signal, and two hydraulic paths. The overload diaphragms are connected to the measuring element body to form overload chambers and the separating diaphragms are connected to the measuring element body to form separating diaphragm chambers in which one of the overload diaphragms are enclosed. The separating diaphragm chambers are hydraulically connected to the overload chambers below the other separating diaphragm chamber and to the differential pressure transducer via one of the hydraulic paths, which extend at least in sections through the measuring element body. The overload diaphragms have a base surface, which faces a mating surface in an overload chamber against which the overload diaphragms are pre-stressed in the operative state at pressure equilibrium.
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
58.
SENSOR DEVICE AND METHOD FOR DETERMINING AND/OR MONITORING A PROCESS VARIABLE OF A MEDIUM IN A CONTAINER
A sensor device for determining and/or monitoring a process variable of a medium in a container includes: a crystal body having at least one defect; and a magnetic field device for generating a magnetic field, the magnetic field device arranged such that a magnetic field can be generated in the region of the crystal body and in the region of the medium located within the container, so that a change of the magnetic field in the region of the crystal body is amplified, wherein the crystal body and the magnetic field device are arranged from the outside on a wall of the container. A method for determining and/or monitoring a process variable of a medium in a container using the sensor device is also disclosed.
A pressure gauge for measuring a pressure includes: a pressure measuring cell; a rotationally symmetric sensor bushing configured to accept the pressure measuring cell; a rotationally symmetrical process connection for releasably attaching the pressure gauge to a measuring point; a process seal to prevent the process medium entering the pressure gauge; the process connection and/or the sensor bushing having multiple individual recesses configured such that the individual recesses together form a fluidic path group of multiple fluidic individual paths extending parallel to one another, by means of which, in the event that the process seal fails, the process medium is conducted from a sealing plane for the process seal to at least one opening visible from the outside when the pressure gauge is in an installed state, the individual recesses configured such that a total cross-sectional area of the recesses forming the path group has a predefined minimal cross-sectional area.
A modular radar level measuring device which can be designed to be compact includes a high-frequency module biased according to the invention within the device housing by a spring element in such a way that the waveguide segment of the high-frequency module is pressed with a corresponding force against the corresponding high-frequency connection of the antenna arrangement. This ensures a gap-free and thus low-interference connection of the high-frequency module to the antenna arrangement via the waveguide segments. This simplifies the modular design of the level measuring device. In this case, the level measuring device can be designed to be very compact, especially if the high-frequency module is housed in the measuring device neck of the device housing toward the antenna arrangement.
A coplanar differential pressure transducer includes a measuring unit with two separating diaphragms facing the process and a transducer chamber, wherein the measuring unit is configured as a process connection for a hardware interface, wherein, in an end face of a base body of the process connection facing the process, is a disk-shaped recess downstream of each separating diaphragm, each disk-shaped recess having different radii, which intersect in an ellipsoidal structure, wherein two insert disks corresponding to each ellipsoidal disk-shaped recess are mountable in the ellipsoidal disk-shaped recesses and are configured such that the process connection can be adapted to the hardware interface of a customer connection.
G01L 13/02 - Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
62.
FILLING LEVEL MEASURING DEVICE AND METHOD FOR THE IN-LINE CALIBRATION AND/OR VERIFICATION OF A FILLING LEVEL MEASURING DEVICE
A filling level measuring device for the microwave-based determination of the filling level of a filling material in a container includes at least one reflection point arranged outside the container. The reflection point generates a reflection point echo signal by means of reflection of a transmit signal, wherein an electronics unit calibrates and/or verifies a filling material echo signal in-line based upon the at least one reflection point echo signal. Further disclosed is a method for the in-line calibration and/or verification of a filling level measuring device.
G01F 25/20 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
A high-frequency module for radar-based level meters is based upon a transceiver unit for generating the radar signals and for determining the fill-level from corresponding received signals. The transceiver unit is enclosed for explosion protection purposes by an electronics encapsulation. A waveguide segment is connected to the transceiver unit to transmit the radar signals out of the electronics encapsulation to the outside. The waveguide segment is attached to a feedthrough of the electronics encapsulation such that the waveguide segment is guided out of the electronics encapsulation. The transceiver unit or the printed circuit board which carries it is thereby not attached directly to the electronics encapsulation, but in a free-standing manner to the waveguide segment. The printed circuit board can be made very compact since no space is required for further fastenings. As a result, the high-frequency module can be designed to be very compact overall.
A method for producing a differential pressure sensor includes steps of: introducing a rotationally-symmetrical electronics module into a cavity of a mechanical module until a contact face of the electronics module hits a stop face of the mechanical module; welding and/or gluing at least the contact face to the stop face; axial welding in an opening region of the cavity, such that the mechanical module is welded to the electronics module all around by means of the weld; filling at least two pressure transmission lines with a pressure transmission liquid, wherein the at least two pressure transmission lines are provided for the transmission of the first pressure and the second pressure from the first separating membrane and the second separating membrane, respectively, to two opposing faces of the differential pressure sensor element; and placing the housing onto the housing adapter.
A first plant part includes a multitude of field devices and an edge device, which is part of a communication network. The edge device monitors data transmitted by the field devices and a higher-level unit or requests further data. The edge device generates a live list, which contains an identifier of each field device or the higher-level unit and the requested or monitored data. The edge device simulates a multitude of virtual field devices, generates data, and enters identifiers of the virtual field devices and the generated data into the live list. The live list is made available via a first interface. The edge device transmits the live list containing the current requested or monitored data to a cloud-based service platform at regular intervals, and the cloud-based service platform is designed to prepare or present the live list, with the data of the virtual field devices being disregarded.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
A measuring system for determining a filling volume of a filling material in a container comprises a 3D camera and a radar-based fill-level measurement device. The 3D camera is used to initially record at least one 3D image of at least one partial region of the empty container interior. Based on the 3D images, a data set or a digital spatial model is created by which at least such partial region the geometry of the empty container interior is represented. To create the required, three-dimensional surface or level profile, the fill-level measurement device is based on a principle of digital beam shaping, such as the MIMO principle. Thus, based on the data set reflecting the geometry in the container interior and based on the fill-level profile, the filling volume in the container can be determined.
An overload-resistant pressure measuring sensor includes a pressure sensor arranged in an interior of a sensor housing and can be exposed, through an opening in the sensor housing, to a medium under pressure of up to 1000 bar. The medium may be a hydrogen-containing medium and can be measured with high measurement accuracy. The pressure sensor is mounted on connection elements protruding into the interior and free-standing in the interior such that the pressure sensor is exposed to the pressure prevailing in the interior on all sides. The pressure sensor includes two ceramic measuring bodies connected to one another while enclosing a pressure chamber, and are each deformable by the pressure acting thereon, and further includes an electromechanical transducer which converts a mechanical variable that is dependent on a sum of the pressure-dependent deformations of both measuring bodies into a measurable electrical measurement variable.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
A radar-based fill-level measuring device for determining a three-dimensional fill-level profile by the MIMO principle comprises an antenna assembly which comprises a sub-antenna array in addition to a main antenna array. Angle-separating solid-angle spectra can be created by means of the main antenna array, and these solid-angle spectra are combined with those of the sub-antenna array. Accordingly, the sub-antenna array is designed such that its solid-angle spectra permit a unique assignment of each solid angle in the entire solid-angle range. For this purpose, the corresponding antennas are arranged on an intermediate grid. The advantage of this is that with a total of very few antennas or a fast evaluation associated therewith over a wide solid-angle range a highly angle-separating fill-level profile can be captured.
A method for operating at least one optoelectronic button or operating element arranged behind an optically transparent control panel of a field device of automation technology for detecting an actuation of the optoelectronic button or operating element by an operator of the field device includes detecting whether the field device of automation technology is located in an interior area or in an exterior area; defining an evaluation condition which is used to detect the actuation of the optical button or control element; and detecting or evaluating whether an actuation of the optoelectronic button or control element is present based on the defined evaluation condition.
The relates to a measuring device neck of a radar based, fill level measuring device for determining a fill level profile (L(α,β)) of a fill substance. In the measuring device neck, the waveguides for contacting the antenna arrangement are aligned along a contour (k1, k2), which surrounds the device neck axis radially symmetrically and adjoins the measuring device neck. Such is advantageous, since the waveguides can be made together as a monolithic, basic body, which can be inserted easily into the measuring device neck. Furthermore, the arrangement of the waveguides in the measuring device neck favors the thermal management in the transmitting/receiving electronics of the fill level measuring device, since its thermally critical radar chips can be spaced maximally from one another.
A radiation protection container of a measuring system serves for radiometric density or fill level measurement. The radiation protection container is based on two base bodies connected to one another via a planar surface. The radiation waveguide extends for focused emission in a plane defined by the planar surface, wherein the radiation waveguide is formed by depressions in the base body surfaces. The radiation protection container comprises radiation absorption structures formed by depressions and complementary elevations in the base body surfaces lying on top of each other. An advantage is that refractory base bodies based on steel can be used and it is possible for the depressions and/or elevations to be realized using surface machining. The radiation absorption structures ensure that no radiation exits the radiation protection container laterally.
G21F 5/04 - Means for controlling exposure, e.g. time, size of aperture
G21F 5/015 - Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation unitsRadioisotope containers
A method for determining and/or monitoring a predeterminable fill level of a medium in a container using a vibronic sensor having at least one sensor unit with a mechanically vibratable unit, comprises exciting the mechanically vibratable unit with an excitation signal to produce mechanical vibrations, and receiving the mechanical vibrations in the form of a reception signal, determining an amplitude and a frequency of the reception signal, comparing the frequency and amplitude of the reception signal with a predeterminable frequency limit value and a predeterminable amplitude limit value, and determining a reaching of the predeterminable fill level on the basis of the comparison.
A purging attachment for a workpiece having a surface to be processed using laser radiation, wherein the workpiece has a chamber open on at least one side of the workpiece, and wherein the surface is within the chamber, comprises: a central opening through the purging attachment; a purge gas supply channel extending through the purging attachment to an outlet opening; a purge gas suction channel extending through the purging attachment to an inlet opening, wherein the outlet opening of the purge gas supply channel and the inlet opening of the purge gas suction channel are arranged on opposite sides of the central opening; and a centering portion configured to interact with a centering region arranged on the side of the workpiece such that the central opening, the outlet opening, and the inlet opening communicate with the chamber.
B23K 26/142 - Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beamNozzles therefor for the removal of by-products
B23K 26/352 - Working by laser beam, e.g. welding, cutting or boring for surface treatment
In an FMCW-based fill-level measurement device, the fill-level value can be compensated with regard to component tolerances. A diagnosis unit of the fill-level measurement device compares the clock rate of the signal-generating PLL with the sampling rate of the analog/digital converter and determines a first compensation factor. With the aid of the first compensation factor, the determined fill-level value can be compensated with regard to these sampling or clock rates without any external high-precision reference source having to be used for this purpose.
The present disclosure relates to a method for manufacturing a pressure sensor having a main body and a pressure-sensitive ceramic measurement membrane, wherein an outer edge of the measurement membrane is connected in a pressure-tight manner by an encircling joint to a surface of the main body facing the outer edge of the measurement membrane, wherein the joint includes a ternary active hard solder in eutectic composition: providing the main body, the measurement membrane and the active hard solder; positioning the active hard solder between the outer edge of the measurement membrane and the surface of the main body; heating the main body, the measurement membrane and the active hard solder to a joining temperature which essentially corresponds to a temperature of the eutectic point of the active hard solder.
G01L 9/00 - Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by electric or magnetic pressure-sensitive elementsTransmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
76.
ELECTRONIC UNIT AND METHOD FOR TESTING AT LEAST ONE STATE OF AN ELECTRONIC UNIT
The present disclosure relates to an electronic unit including at least one component and a printed circuit board, wherein the at least one component has at least one terminal, wherein the printed circuit board has at least one first contact surface and at least one second contact surface, wherein the at least one first contact surface and the at least one second contact surface are spaced apart from one another, wherein the at least one terminal is joined to the at least two contact surfaces by at least one solder joint. The present disclosure further relates to a method for testing at least one state of an electronic unit.
The present disclosure relates to a method for monitoring a first processor using a second processor in a field device, comprising the following method steps: calculating verification data on the basis of specified input data using a test algorithm on an external computing unit storing the input data and the verification data computed by the test algorithm; transferring the specified input data stored in the sensor module and the verification data; transferring the specified input data; executing the test algorithm on the first processor; making the calculated output data available on the second processor; checking the output data with the verification data using the second processor and, if the output data do not correspond to the verification data, establishing a malfunction.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
78.
ANTENNA FOR RADAR-BASED FILL LEVEL MEASURING DEVICES
A compact and efficient antenna for radiofrequency radar-based fill level measuring devices includes a mount with a media-tight cavity; an input coupling structure by means of which the radar signal is able to be coupled into the cavity along a main beam axis; and a lens that refracts the radar signal. The lens seals the cavity of the mount in such that the input coupling structure is located in the focus of the lens and the lens is aligned in the main beam axis of the input coupling structure. The mount or the lens and the input coupling structure may be constructed from two separate sub-components assembled along a defined joining seam such that the cavity is sealed in media-tight fashion and the mount or the antenna is formed.
A sensor apparatus for determining and/or monitoring a process variable of a medium in a containment includes: a crystal body including at least one defect; a magnetic field system for producing a magnetic field in the region of the crystal body and in the region of the medium within the containment, wherein the crystal body and the magnetic field system are arrangeable from the outside at a wall of the containment; a detection unit for detecting a magnetic field-dependent, fluorescent signal from the crystal body, wherein the detection unit has an excitation unit for optical exciting of the defect and a detector for detecting the fluorescent signal; and an evaluation unit for ascertaining at least one piece of information concerning the process variable based on the fluorescent signal.
An automation field device for use in a potentially explosive area comprises: two connecting terminals for connecting a two-wire line via which a current can be supplied; a sensor and/or actuator element for capturing and/or setting a process variable; a field device electronic system connected to the connecting terminals and designed to provide a power supply for the field device on the basis of the supplied current and also to transmit or receive, by means of the two-wire line, the process variable captured by means of the sensor element and/or a process variable to be set by the actuator element; and an explosion protection unit incorporated in a current path between the two connecting terminals to limit a possible short-circuit current and which comprises the at least two diodes in series and at least one resistor connected in parallel to the at least two diodes.
An intrinsically safe field device of automation technology comprises connection terminals via which a current can be supplied; a sensor element and/or actuator element; field device electronics with a current path between the connection terminals and a voltage regulator incorporated into the current path; and an explosion protection unit comprising at least two controllable switching elements, incorporated into the current path in series, and two threshold value circuits designed such that a first threshold value circuit controls a first switching element as a function of a first threshold value, and a second threshold value circuit controls a second switching element as a function of a second threshold value, such that, upon the first and/or second threshold value being reached, the current is limited to the first and/or second threshold value, and the threshold value circuits are connected in parallel to the voltage regulator.
A pressure transmission device includes a main part and a separating membrane secured to the main part. A pressure chamber is formed between the separating membrane and a surface, with the pressure chamber communicating with a hydraulic path. The separating membrane is: supplied with the process medium from a first membrane side; the pressure chamber and the hydraulic path are filled with a transmission fluid; the separating membrane is connected to the main part; and the separating membrane has a central region. The device additionally comprises a temperature sensor and a mount, wherein the temperature sensor introduced into the mount. The mount is arranged in a central cavity in such a way that a surface of the mount facing the separating membrane lies on a plane relative to the central region such that the surface of the mount acts as an abutment for the separating membrane when pressure is applied.
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
A pressure measuring unit includes a pressure measuring cell; a rotationally symmetrical sensor bushing into which the pressure measuring cell is inserted; a rotationally symmetrical process connection having, at one end, an inwardly extending encircling stop surface intended for the sensor bushing and, at another end, an opening for receiving the sensor bushing; a ring-like process seal between the sensor bushing and the stop surface of the process connection in order to thus prevent an ingress of the process medium into the pressure measuring unit; wherein the stop surface of the process connection and/or a counterpart stop surface, which in the installed state is directed toward the stop surface, of the sensor bushing have multiple individually formed webs configured such that the process seal is not extruded into the openings.
A high-frequency-based measuring device for determining a temperature-compensated dielectric constant of a medium includes a measuring probe having an electrically conductive inner conductor and an outer conductor. The inner conductor is rod-like along an axis. The inner wall of the outer conductor is symmetrical about the axis of the inner conductor and expands along the axis toward the medium. The measuring device includes a temperature sensor located in a first end region of the inner conductor, toward which end region the inner wall of the outer conductor expands. One of the temperature sensor terminals is at the potential of the inner conductor. The temperature of the medium is measured directly, without impairment of the high-frequency-based measurement of the dielectric constant. A highly accurate measurement of the dielectric constant and highly accurate temperature compensation are thereby made possible.
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
The present disclosure relates to a weather protection cover for a horizontally arranged display unit of a field device of process and automation technology. The weather protection cover includes a protective unit, which is arrangeable in such a manner that at least a first section of the protective unit lies opposite the display unit and at least the first section protects the display unit against weather influences. The weather protection cover includes at least one reflecting component, which is arranged and embodied in such a manner that the reflecting component reflects a display of the display unit, such that the display is observable perpendicularly to the display unit.
A radar-based, fill-level measurement device for measuring a fill-level of a filling material in a container, the high-frequency unit of which can be checked with regard to its functionality, is designed redundantly and thus comprises two, activatable, high-frequency sources for generating the high-frequency signal and two, activatable receivers for sampling the received signal such that a time-prolonged evaluation signal is generated. As a result, a correspondingly designed diagnosis unit can switch between the active high-frequency source and/or between the active receiver, wherein before and after the switching, a defined property of the evaluation signal, such as a signal amplitude, is ascertained. If the defined property of the evaluation signal changes at least by a defined value as a result of the switching, the high-frequency unit is classified as not functional.
G01F 25/20 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
A method for calibrating a modular fill-level gauge based on a capacitive, an ultrasonic, or a radar based measuring principle and including components as follows: a sensor module, an electronics module and a transmission module comprises connecting the transmission module with the sensor module, calibrating the sensor module, and instructing the electronics module relative to the installed height. This simplifies the calibrating of the fill-level gauge, since it does not have to be applied to the entire fill-level gauge but only to the sensor module. In this way, a corresponding calibration setup only needs to be kept at the site of the sensor module manufacture, and not supplementally at the site of the final manufacture, where all modules of the fill-level gauge are put together. Correspondingly, also the possible creating of a calibration protocol is simplified.
G01F 25/20 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
A high-frequency-based measuring device for determining a dielectric constant of a medium comprises a signal-generating unit for coupling an electrical high-frequency signal into a transmitting electrode located in the medium, the transmitting electrode having a depth of at most one quarter of the wavelength of the high-frequency signal; a receiving electrode likewise located in the medium and located a distance from the transmitting electrode of at most one quarter of the wavelength of the high-frequency signal, for receiving the high-frequency signal after the same has passed through the medium; and an evaluation unit designed to determine the dielectric constant on the basis of the received high-frequency signal.
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
G01N 22/00 - Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
G01R 27/26 - Measuring inductance or capacitanceMeasuring quality factor, e.g. by using the resonance methodMeasuring loss factorMeasuring dielectric constants
89.
Self-oscillating resonant push-pull converter with a synchronous rectifier for phase-modulated bidirectional communication
A DC/DC converter circuit for phase-modulated communication comprises a push-pull driver to which a reference clock having a fixed predefined frequency can be applied on the input side; a transformer having a primary and secondary coil, wherein the push-pull driver is connected to the primary coil on the output side; a synchronous rectifier connected to the secondary coil on the AC-side; a resonant circuit having a capacitance and an inductance, wherein the resonant circuit is designed such that a part of the resonant circuit is on a primary side of the transformer and another part of the resonant circuit is on a secondary side of the transformer; a decoupling inductor connected on a secondary side of the transformer and downstream of the synchronous rectifier, which is not part of the resonant circuit; and an output capacitor connected in series with the decoupling inductor via which an output voltage is provided.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/00 - Conversion of DC power input into DC power output
90.
PISTON DIAPHRAGM SEAL AND SYSTEM COMPRISING A PRESSURE TRANSDUCER AND A PISTON DIAPHRAGM SEAL
The present disclosure relates to a piston diaphragm seal for transmitting a pressure of a medium to a pressure-measuring sensor a base body having a recess and a bore which is connected to the recess. The recess and the bore can be filled with a pressure transfer medium. A piston is arranged in the recess and can be moved within a predetermined region in the recess. A surface of the piston facing the medium can be loaded with the pressure of the medium, wherein the piston is separated by at least two sealing elements from the medium and the pressure transfer medium. A cavity is arranged in the piston between the at least two sealing elements. An attachment region is provided for connecting the piston diaphragm seal to the pressure-measuring sensor. A monitoring unit is designed to determine and/or monitor entry of medium and/or pressure transfer medium into the cavity.
G01L 19/06 - Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
G01L 19/00 - Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
A device for determining and/or monitoring a process variable of a medium comprises a sensor unit with a mechanically vibrating fork having a first and a second vibrating element and having a first piezoelectric element arranged in the first vibrating element. An electronic unit of the device is designed to excite mechanical vibrations in the mechanically vibratable unit, receive the mechanical vibrations of the vibratable unit and convert same into a first reception signal, generate the excitation signal on the basis of the first reception signal such that there is a specifiable phase shift between the excitation signal and the first reception signal, and ascertain the process variable using the first reception signal. The electronic unit has an adjustable impedance element connected in series to the first piezoelectric element.
G01N 9/32 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity by using flow properties of fluids, e.g. flow through tubes or apertures
A vibronic sensor used to determine a process variable of a medium in a container comprises a mechanically vibratable unit, a drive/receiving unit, and an electronic unit. The drive/receiving unit excites mechanical vibrations in the mechanically vibratable unit via an electric excitation signal and receives the mechanical vibrations of the mechanically vibratable unit and convert same into an electric reception signal. The electronic unit is designed to generate the excitation signal on the basis of the reception signal and determine the process variable from the reception signal. The electronic unit includes an adaptive filter and is designed to set the filter characteristic of the adapter filter to produce a target phase offset between the excitation and reception signals. The sensor also has a detection unit to determine a phase offset between the excitation signal and the reception signal and/or the amplitude of the reception signal using a quadrature demodulation.
G01F 1/667 - Arrangements of transducers for ultrasonic flowmetersCircuits for operating ultrasonic flowmeters
G01H 11/06 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties by electric means
G01N 11/16 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties by moving a body within the material by measuring damping effect upon oscillatory body
G01N 29/42 - Detecting the response signal by frequency filtering
A device for determining and/or monitoring a process variable of a medium includes a sensor unit having a mechanically oscillatable unit, a first piezoelectric element, a unit for determining and/or monitoring a temperature of the medium and an electronic system. The device is designed to excite the mechanically oscillatable unit and to receive the mechanical oscillations of the oscillatable unit, to convert them into a first receiving signal, to emit a transmission signal and to receive a second receiving signal, wherein the electronic system is designed to determine the process variable based on the first and/or second receiving signal. The unit for determining and/or monitoring the temperature includes a first and a second temperature sensor arranged at a distance from one another, and the electronic system is designed to determine the temperature of the medium based on a first and/or second temperature receiving signal.
G01N 29/32 - Arrangements for suppressing undesired influences, e.g. temperature or pressure variations
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
A mounting arrangement comprises a vibronic sensor and a flange having an opening for transmitting signals through the flange, wherein the vibronic sensor has a vibronic measuring sensor, especially an oscillatable unit, and a measuring transducer, which are arranged on different sides of the flange. The vibronic sensor has a glass feed-through for the signal line between the measuring sensor and the measuring transducer, and the glass feed-through is arranged at least in regions in the opening of the flange.
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
A device menu controls connector for a process automation field device include a field device part and a removable knob assembly. The field device part includes one or more Hall effect sensors, and the knob assembly includes one or more magnets. When the knob assembly is attached to the field device part, the knob may be rotated clockwise or counter-clockwise, or may be pushed or pulled. The interaction of the magnets and Hall effect sensors allow the field device to sense the rotation and the pushing and pulling of the knob. The programming of the field device allows the device menu controls connector to simulate , , , , , and key presses of a user interface. A field device having such a device menu controls connector is also disclosed.
G01D 5/00 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable
G01D 5/249 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trainsMechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means generating pulses or pulse trains using pulse code
G05G 1/02 - Controlling members for hand-actuation by linear movement, e.g. push buttons
G06F 3/0362 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
An automation field device comprises a first, a second, and a third connection pin; and a field device electronics designed to be operated either in a two-conductor mode or in a three-conductor mode. The field device electronics have an energy supply unit designed to provide internal energy supply exclusively by means of the fed current in the two-conductor mode. In the three-conductor mode, an additional auxiliary current is to be fed to the field device electronics via an additional single-wire line connected to the third connection pin, and the energy supply unit is also designed to provide the internal energy supply via the fed current and the fed additional auxiliary current. Furthermore, the field device electronics are designed to use the additionally fed auxiliary current for internal energy supply only if the current fed by means of the two-wire line is not sufficient for the internal energy supply.
A device for detachably fastening a sensor for determining and/or monitoring at least one process variable of a medium to a single-use container, wherein there is a connection between the device and a wall of the single-use container, comprises a fastening unit for detachably fastening the sensor to the single-use container. Disclosed also is a single-use container having a device according to the invention.
A field device adapter for wireless data transfer, comprises at least: an adapter housing; an adapter electronics unit arranged in the adapter housing, the adapter electronics unit comprising a first supply circuit, which is introduced into the first connection line, for providing a first supply voltage from a loop current flowing in the first connection line, and a second supply circuit, which is introduced into the second connection line, for providing a second supply voltage from the loop current flowing in the second connection line, wherein the adapter electronics unit further comprises a HART modem and a wireless module with an antenna for transmitting and/or receiving, and the adapter electronics unit is configured such that the first supply circuit supplies the HART modem with the first supply voltage, and the second supply circuit supplies the wireless module with the second supply voltage.
A device and a method for measuring and/or monitoring at least one process variable of a medium is provided. The device comprises a sensor unit with a mechanically vibrating unit, at least one reflection unit, a piezoelectric element which is attached to the membrane, and an electronic. The device is designed to excite the mechanically vibrating unit to mechanical vibrations using an excitation signal, to receive the mechanical vibrations of the vibrating unit and convert them into a first reception signal, to emit a transmission signal, and to receive a second reception signal. The electronic unit is designed to determine the at least one process variable of the medium based on the first and/or second reception signal.
G01K 7/02 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using thermoelectric elements, e.g. thermocouples
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
G01N 9/00 - Investigating density or specific gravity of materialsAnalysing materials by determining density or specific gravity
G01N 29/024 - Analysing fluids by measuring propagation velocity or propagation time of acoustic waves
A method for wirelessly transmitting data packets within a measuring system from multiple field devices to a superordinate unit via a wireless interface of the each device includes distributing the data packet to the field devices; synchronizing the wireless interfaces of the field devices such that the wireless interfaces transmit with a defined phase shift relative to one another in each particular case; and transmitting the data packet to the superordinate unit via the wireless interfaces of the at least two field devices in synchronized fashion. This allows the data packet to be received by the superordinate unit with increased transmission reliability according to the invention. This ensures the data transmission between one of the field devices and the superordinate unit without a repeater or other added complexity even when there are individual obstacles.
patents