WO2022037762A1 - Capteur de niveau de remplissage avec reconnaissance d'attribution - Google Patents

Capteur de niveau de remplissage avec reconnaissance d'attribution Download PDF

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Publication number
WO2022037762A1
WO2022037762A1 PCT/EP2020/073113 EP2020073113W WO2022037762A1 WO 2022037762 A1 WO2022037762 A1 WO 2022037762A1 EP 2020073113 W EP2020073113 W EP 2020073113W WO 2022037762 A1 WO2022037762 A1 WO 2022037762A1
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WO
WIPO (PCT)
Prior art keywords
measuring device
container
sensor
meter
identifying feature
Prior art date
Application number
PCT/EP2020/073113
Other languages
German (de)
English (en)
Inventor
Clemens Hengstler
Original Assignee
Vega Grieshaber Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vega Grieshaber Kg filed Critical Vega Grieshaber Kg
Priority to DE112020007512.5T priority Critical patent/DE112020007512A5/de
Priority to PCT/EP2020/073113 priority patent/WO2022037762A1/fr
Publication of WO2022037762A1 publication Critical patent/WO2022037762A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—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
    • G01F23/22—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
    • G01F23/28—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 the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material

Definitions

  • the invention relates to a measuring device, e.g. a field device, with a sensor for level measurement or for topology determination.
  • the invention relates to a measuring device that is set up for assigning the measuring device to a container.
  • the invention relates to a method, a use, a program element and a computer-readable medium.
  • measuring devices are used to measure the filling level or to determine the limit level, for example in a container, for example a field device with a sensor for measuring the filling level or for determining the topology.
  • a container for example a field device with a sensor for measuring the filling level or for determining the topology.
  • an association of the meter with the container may change occasionally or more often over the lifetime of the meter.
  • customers are not based on an identity of the measuring device, eg a serial number of the sensor, but on an identity (ID) of the container, eg on its container number, and/or eg on an identity of the medium in the container.
  • This identity of the container can, for example, serve as a basis for planning the logistics of the container.
  • the identity of the container and/or the assignment to the measuring device can be made by means of a manual assignment, eg by typing an identity of the container into the level sensor.
  • This can be complex and/or error-prone.
  • a measuring device whose readings go to the wrong container or cannot be assigned to any container, can therefore lead to confusion and/or further errors for the logistics and/or for further process steps of the container.
  • a first aspect relates to a method for assigning a measuring device for filling level measurement or for topology determination to a container.
  • the procedure has the following steps:
  • the measuring device can be a measuring device or field device for level measurement or for topology determination; alternatively or additionally, it can be set up to determine the level limit, to measure the flow rate, to measure the pressure and/or to measure the temperature.
  • the measuring device can have a sensor front end, for example an impedance limit switch, a vibration limit switch, a high-frequency front end, ultrasonic front end, LiDAR or laser front end and/or a pressure sensor and/or a temperature sensor.
  • the measuring device can be designed as a so-called autonomous radar sensor, eg as a "VEGAPULS Air" sensor from Vega, or as another sensor.
  • a self-sufficient sensor can have its own power supply, for example, so that it can be operated over a longer period of time—for example over several months or years—without a mains connection.
  • At least some of these measuring devices can be used, for example, to certain level of a filling material, for example in the container, to display, ie to indicate whether a predefined upper, lower or other limit of the filling level in the container has been reached.
  • At least some of these measuring devices can be used, for example, to record fill levels in transportable containers and to send them to a higher-level system, for example to a cloud, for example in order to optimize the logistics of these containers based on this data.
  • the container can be a vessel or measuring tank of any shape.
  • the container may be an Intermediate Bulk Container (IBC).
  • IBC Intermediate Bulk Container
  • the container may bear an identifying feature, for example a visible feature such as a label, plaque, inscription, barcode or QR code, hallmark or corrugation, or even a hologram and/or image, color marking, etc.
  • the identifying feature can also be read out electromagnetically, for example an RFID tag (RFID: Radio Frequency Identification) and/or a plug, by means of which a stored entry can be read out.
  • RFID tag Radio Frequency Identification
  • the identifying feature can use several (partial) features for identification, for example to achieve increased security. Depending on the type of identifying feature, the detection of the feature and/or the detecting identification sensor can be designed and/or designed differently.
  • an optical detection unit such as a camera, laser scanner and/or other optical device, can be used to detect a visible feature.
  • the identification sensor can be arranged in or on the measuring device.
  • the identifying feature of the container can be stored in any memory of the measuring device, for example in a memory of a computing unit and/or in a non-volatile memory of the measuring device, for example a flash module, to which the computing unit has access.
  • the identifying feature can also be stored in another system and/or subsystem to which the processing unit has access, such as in a higher-level system. This can be done alternatively or additionally, ie in at least some embodiments it may not be necessary for the sensor itself to store the identifying features, it may also send them to the cloud. This assignment can then take place in the cloud. If the sensor only gets the container ID from the type plate, this identifier is sufficient to assign the sensor in the cloud to the container unambiguously, in at least some cases unambiguously. All other information (e.g. customer number, filling medium, container size, ...) can then be sent from the supplier's server to the cloud - e.g. from VEGA - via a digital interface.
  • the measuring device can access its own identity, for example a processor number, a MAC address and/or a sensor front end ID.
  • the measurement data e.g. the measurement data, but also other data, such as diagnostic and/or parameterization data, can be logically connected from the measuring device to the container.
  • a customer or user of the container and the measuring device does not need any additional equipment for this association.
  • no additional interface between the ERP/CRM system (ERP: Enterprise Resource Management System, CRM: Customer Relationship Management) of the customer and the visualization tool of the sensor (VIS) must be created, but the assignment can be used in any way .
  • the customer may install, mount and/or otherwise dispose the gauge on the container at any time and without additional expertise or training.
  • this at least partially automated assignment of the measuring device to the container can simplify the assignment and/or reduce sources of error.
  • the method comprises further steps: transmitting, by the meter, an identity of the meter along with the identifier of the container to a server; and associating, by the server, the meter with the container.
  • the server can be part of a cloud, for example.
  • the server in which the server carries out the assignment of measuring device and container, it can be sufficient if the measuring device only transmits its own identity when transmitting the data.
  • the meter must only (or at least) in a "Assignment phase" transfer the assignment data from the measuring device and container to the server.
  • the method includes a further step: transmitting, by the meter, a reading along with an identity of the level sensor and the identifier of the container.
  • an association of measuring device and container is also possible without a server.
  • the transfer can also be made to a mobile device, e.g. to a laptop, a tablet and/or a smartphone.
  • a server can then be used, for example, to back up and/or further analyze the data from the measuring device.
  • it may be sufficient to transmit the identity of the filling level sensor and the identifying feature of the container in addition to the data of the measuring device. It may be sufficient to transmit all this data just once, or regularly, e.g. every 10th time, every 100th time, etc.
  • a measured value can be a level, a medium, a topology, a point level, a flow rate, a pressure and /or be a temperature.
  • other data such as diagnostic data, remaining battery life, position data, location data, vibration and/or parameterization data can also be transmitted.
  • a permanent coupling can advantageously be achieved—as long as the assignment of measuring device and container is valid—only by means of the measuring device. Since the data regularly contains the assignment of measuring device and container, the transmission can take a little longer and/or have a longer data sequence. Coupling with an assignment by the server is also possible, e.g.
  • the identification sensor includes an RFID sensor and/or an optical detection unit.
  • the optical detection unit can include, for example, a laser scanner and/or a camera and/or other devices that are suitable or set up for detecting a visible feature.
  • a wide range of possibilities can be achieved by detecting visible and/or electromagnetic features created - or selected from among them as required in order to realize the assignment in a simple manner.
  • the optical detection unit is set up to detect a barcode, a QR code, a dot matrix code and/or a 2D code.
  • a 2D code can be, for example, a stacked code such as Codablock, Code 49 or PDF417, a matrix code such as QR code, DataMatrix, MaxiCode, Aztec code, JAB code or Han Xin code Dot code, such as Dot Code A, Snowflake Code or BeeTagg, or a composite code RM4SCC and/or other codes.
  • the method has a further step:
  • the activation sensor can be, for example, a button, microswitch, rotary switch, rotary button, magnet, reed contact, etc., which leads to the activation of the measuring device.
  • the activation sensor may be located in or on the meter.
  • the activation sensor can, for example, be protected so that it cannot be triggered accidentally and can only be triggered with a pointed object, such as a paper clip.
  • activating the meter is triggered by attaching the meter to the container.
  • the fastening can be done, for example, by arranging it on a magnet, which, for example, closes a reed contact as a result of the arrangement.
  • Fastening can be realized, for example, by means of a connecting element, for example in the form of a bayonet plug - or a corresponding bayonet coupling - with one component having a button or switch and the corresponding component having a projection which holds the button or switch when the measuring device - eg when "screwing in" - triggers.
  • using the Connection element can be realized, for example, that when "unscrewing" the assignment between the measuring device and the container is deleted and / or deactivated again.
  • the measuring device for filling level measurement or for topology determination, which is set up to assign the measuring device to a container.
  • the measuring device has an identification sensor and a computing device.
  • the identification sensor is set up to detect an identifying feature of the container.
  • the computing device is set up to store the identifying feature of the container together with an identity of the measuring device in order to enable the measuring device to be assigned to the container.
  • the measuring device can access its own identity, for example a processor number, a MAC address and/or a sensor front end ID.
  • the identification sensor can, for example, comprise an RFID sensor and/or an optical detection unit.
  • the storing of the identifying feature of the container can take place in any memory of the measuring device, for example in a memory of a computing unit and/or a non-volatile memory of the measuring device, for example a flash module, and/or another memory on which the computing unit can access.
  • the identifier of the container together with the identity of the measuring device can be used, for example, to transmit this assignment to a server and/or can be used with each transmission of data from the measuring device to indicate the assignment of the container to the measuring device with each transmission or transmission . Transmission may be to a server and/or to (and from) a mobile device.
  • the measuring device also has a communication device that is set up to transmit a measured value, an identity of the measuring device and/or an identifying feature of the container. Which of these data or whether additional data is transmitted may depend on the recipient. For example, the assignment of measuring device and container can only be transmitted once to a server and/or a mobile device, and only the data—eg measurement data—and the identity of the measuring device can be transmitted during further communication. For security reasons, for example, the communication can be unidirectional from the measuring device to the receiver. the Communication can be bi-directional. A successful assignment can thus be signaled, for example, and/or further data, such as diagnostic and/or parameterization data, can be logically connected from and to the measuring device with the container.
  • further data such as diagnostic and/or parameterization data
  • the transmission can be carried out, for example, by means of wireless communication, e.g. by means of a telephony protocol such as 2G, 3G, 4G, 5G or another telephony protocol, by means of an LPWAN (Low Power Wide Area Network) and/or other protocols such as Bluetooth will.
  • a telephony protocol such as 2G, 3G, 4G, 5G or another telephony protocol
  • LPWAN Low Power Wide Area Network
  • Bluetooth Low Power Wide Area Network
  • a different radio standard and/or protocol can be used during the assignment of the sensor to the container than during operation. For example, if the user starts the identification (e.g. by pressing a button), the sensor can start the registration unit. During the acquisition or afterwards, communication can take place using a radio standard that enables a higher data rate and/or faster communication. After successful communication and assignment, the sensor goes into normal operation. For example, only the measured values and, for example, diagnostic values can be transmitted.
  • the sensor can use a different wireless standard, e.g. an energy-optimized wireless standard that is optimized for the transmission of small amounts of data. This can be particularly advantageous if, for example, the optical sensor only captures an image of the label, type plate, etc. This image can then be transmitted to the cloud, where e.g. the text can be digitized from the image using character recognition and the identification can be derived from this.
  • the measuring device also has a measurement front end that is set up for level measurement, topology determination, limit level determination, flow rate measurement, pressure measurement and/or temperature measurement.
  • the measurement front end can be designed, for example, as an impedance limit switch, a vibration limit switch, a high-frequency front end, an ultrasonic front end or a laser front end, a pressure sensor and/or a temperature sensor.
  • the meter further includes an activation sensor configured to activate the meter.
  • the activation sensor can be, for example, a button, rotary switch, rotary button, microswitch, magnet, reed contact, etc., which leads to the activation of the measuring device.
  • the activation sensor can be arranged in or on the measuring device, for example.
  • the activation sensor can, for example, be arranged in a protected manner so that it cannot be triggered accidentally and, for example, only with a pointed object such as a paper clip.
  • a pointed object such as a paper clip.
  • the activation sensor is arranged on or in a connection element.
  • the activation of the measuring device can be triggered by attaching the measuring device to the container.
  • the attachment can be done, for example, by arranging it on a magnet, which, for example, closes a reed contact as a result of the arrangement.
  • Fastening can be realized, for example, by means of a connecting element, for example in the form of a bayonet plug or a corresponding bayonet coupling, in which one component has a button or switch and the corresponding component has a projection which holds the button or switch when the measuring device is fastened - ie eg when "screwing in" - triggers.
  • the connection element can also be used, for example, to delete and/or deactivate the association between the measuring device and the container when “unscrewing”.
  • One aspect relates to a server that is set up to associate a measuring device with a container, the measuring device being set up to transmit an identity of the measuring device together with an identifying feature of the container to the server.
  • the container has a second connection element which corresponds to the connection element of the measuring device.
  • Corresponding can be understood to mean, for example, a mechanical correspondence, for example a correspondence between screw and nut, between a bayonet connector and a corresponding bayonet coupling or a magnet and another magnet or a ferromagnetic element.
  • the second connecting element can also be set up to trigger the activation sensor, for example in the case of a magnet by a corresponding reed contact or in the case of a bayonet or screw connection by a protruding element that triggers a button or switch.
  • the container also has an RFID transponder, which is arranged in or on the second connecting element, with the RFID transponder corresponding to an RFID sensor of the measuring device.
  • the correspondence can consist, for example, in the fact that the RFID transponder (RFID tag) is arranged near or opposite an RFID sensor after it has been "screwed in” and/or that the protocols of the RFID tag and RFID sensor are in one Way correspond that the measuring device can remove an identifying feature of the container from the RFID tag.
  • One aspect relates to a program element which, when executed on a processor unit of a measuring device as described above and/or below or a server as described above and/or below, instructs the processor unit to carry out the method as described above and/or below.
  • One aspect relates to a computer-readable medium on which said program element is stored.
  • One aspect relates to the use of a measuring device as described above and/or below for fill level measurement, topology determination, limit level determination, flow rate measurement, pressure measurement and/or temperature measurement.
  • FIG. 1 shows a schematic sketch of a measuring device according to an embodiment
  • Figures 2a and 2b show a schematic sketch of a measuring device according to a further embodiment
  • 3a and 3b show a schematic sketch of a measuring device according to a further embodiment
  • 5 shows a method according to an embodiment.
  • the measuring device 200 can be designed, for example, as a so-called autonomous radar sensor, for example as an “AuRa” sensor from Vega, or as another sensor.
  • the measuring device 200 has an optical detection unit 250, eg a laser scanner and/or a camera.
  • the optical detection unit 250 can detect a visual identifying feature 120 of a container 100, eg a tank or an IBC.
  • the visible identifier 120 may include a barcode or a 2D code, for example.
  • the identifying feature 120 can be an RFID tag, for example, which is scanned by an RFID reader of the measuring device 200 .
  • the assignment of the measuring device 200 to the container 100 can be sent, eg to a server and/or a mobile device (not shown).
  • 2a shows a schematic sketch of a measuring device 200 according to a further embodiment.
  • the measuring device 200 is shown before it is mounted or attached to a container 100 .
  • the optical detection unit 250 detects a visible identifying feature 120 of the container 100.
  • Fig. 2b shows the measuring device 200 after installation or attachment to a container 100.
  • the measuring device 200 can record measured values and/or other data of the container 100 record and send, for example, to a server 350 and/or to a mobile device—for example a laptop, tablet and/or smartphone.
  • the server 350 can be part of a cloud 300 .
  • the server 350 can assign the data from the measuring device 200 to the container 100 because this assignment was transmitted to the server 350 before assembly (see FIG. 2a).
  • FIG. 3a shows a schematic sketch of a measuring device 200 according to a further embodiment in a perspective view.
  • the measuring device 200 can have a display 220, which can be used to display measurement data from the measuring device 200, but also to display allocation data, for example.
  • FIG. 3b shows a section through the measuring device 200 from FIG. 3a.
  • the display 220 is arranged at the top in a housing 210 of the measuring device 200 .
  • a measurement front end 230 in the form of a radar antenna is also shown.
  • a part of the electronics of the measuring device 200 is arranged on a board 240, for example a computing device 270, an activation sensor 280 (in the form of a button) and a camera 250.
  • an RFID sensor 260 is connected to the electronic board 240.
  • the camera 250 and/or the RFID sensor 260 can be used to identify an identifying feature 120 (see, e.g., Figure 2a).
  • the association between the measuring device 200 and the container 100 can be stored in a memory of the computing device 270, for example.
  • the measuring device 200 also has a communication device 275 which is set up to transmit a measured value, an identity of the measuring device 200 and/or an identifying feature of the container 100 .
  • the measuring device 200 has a measuring front end 230 and a camera 250 . Furthermore, the measuring device 200 has an RFID sensor 260 with a RFID tag 160 corresponds when screwed in. When the measuring device 200 is screwed in, an activation sensor 280 can be activated, which can trigger a method for assigning the measuring device 200 and container 100 . Furthermore, a communication device 275 is shown schematically, which is set up to transmit a measured value, an identity of the measuring device 200 and/or an identifying feature of the container 100 .
  • FIG. 5 shows a flowchart 400 of a method according to an embodiment. At least some steps of the method may be optional.
  • activation of the measuring device 200 (see, for example, FIG. 4), for example by attaching the measuring device 200 to a container 100, is triggered.
  • a microswitch, button, reed contact, etc., for example, can be actuated during and/or through the attachment.
  • the measuring device 200 detects an identifying feature 120 of the container 100 by means of an identification sensor 250, 260.
  • the identifying feature 120 of the container 100 is stored in the measuring device 200 in order to enable the measuring device 200 to be assigned to the container 100.
  • the identifying feature 120 of the container 100 may be, for example, a visible feature such as a label, barcode, or 2D code, or, for example, an RFID tag and/or other electromagnetically readable element.
  • the storage can take place, for example, in a memory of a computing unit 270 of the measuring device 200 .
  • an identity of the measuring device 200 together with the identifying feature 120 of the container 100 is transmitted to a server 350 by the measuring device 200 .
  • the measuring device 200 is assigned to the container 100 by the server 350.
  • step 405 it may be sufficient if the measuring device 200 only transmits the identity of the measuring device 200 in addition to the data--eg a measured value--since the server 350 is able to allocate the measuring device 200 to the container 100.
  • a measured value when a measured value is transmitted by the measuring device 200, an identity of the measuring device 200 and the identifying feature of the container 100 can be transmitted together with the measured value.
  • the various embodiments can be combined with one another, unless this is explicitly and/or ruled out due to technical impossibility.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un dispositif de mesure, par exemple un dispositif de terrain, qui est conçu pour l'attribution du dispositif de mesure à un contenant. Le procédé d'attribution d'un dispositif de mesure (200) à des fins de mesure de niveau de remplissage ou de détermination de topologie à un contenant (100) comprend les étapes suivantes consistant à : détecter, par le dispositif de mesure (200), une caractéristique d'identification (120) du contenant (100) au moyen d'un capteur d'identification (250, 260) ; et mémoriser la caractéristique d'identification (120) du contenant (100) dans le dispositif de mesure (200) afin de permettre l'attribution du dispositif de mesure (200) au contenant (100).
PCT/EP2020/073113 2020-08-18 2020-08-18 Capteur de niveau de remplissage avec reconnaissance d'attribution WO2022037762A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112020007512.5T DE112020007512A5 (de) 2020-08-18 2020-08-18 Füllstandsensor mit Zuordnungserkennung
PCT/EP2020/073113 WO2022037762A1 (fr) 2020-08-18 2020-08-18 Capteur de niveau de remplissage avec reconnaissance d'attribution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2020/073113 WO2022037762A1 (fr) 2020-08-18 2020-08-18 Capteur de niveau de remplissage avec reconnaissance d'attribution

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WO2022037762A1 true WO2022037762A1 (fr) 2022-02-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022125245A1 (de) 2022-09-29 2024-04-04 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zum Kalibrieren und/oder Justieren eines Sensors

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US20100106446A1 (en) * 2008-10-23 2010-04-29 Whirlpool Corporation Attribute sensing processes
US20130314206A1 (en) * 2012-05-23 2013-11-28 James Alan Katerberg Verifying identification of sequentially supplied fluids
US20160198246A1 (en) * 2014-06-04 2016-07-07 Nectar, Inc. Interrogation signal parameter configuration
EP3203331A1 (fr) * 2016-02-02 2017-08-09 VEGA Grieshaber KG Transmission proactive de valeurs de mesure a des terminaux mobiles
US20180356512A1 (en) * 2017-06-13 2018-12-13 Saudi Arabian Oil Company Rfid triangulated tank gauging and inventory management system
EP3460420A1 (fr) * 2017-09-20 2019-03-27 Lutz Pumpen GmbH Dispositif de détection d'une impression de milieu
DE102018211144A1 (de) * 2018-07-05 2020-01-09 Vega Grieshaber Kg Sensor-parametrierung durch bildauswertung

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100106446A1 (en) * 2008-10-23 2010-04-29 Whirlpool Corporation Attribute sensing processes
US20130314206A1 (en) * 2012-05-23 2013-11-28 James Alan Katerberg Verifying identification of sequentially supplied fluids
US20160198246A1 (en) * 2014-06-04 2016-07-07 Nectar, Inc. Interrogation signal parameter configuration
EP3203331A1 (fr) * 2016-02-02 2017-08-09 VEGA Grieshaber KG Transmission proactive de valeurs de mesure a des terminaux mobiles
US20180356512A1 (en) * 2017-06-13 2018-12-13 Saudi Arabian Oil Company Rfid triangulated tank gauging and inventory management system
EP3460420A1 (fr) * 2017-09-20 2019-03-27 Lutz Pumpen GmbH Dispositif de détection d'une impression de milieu
DE102018211144A1 (de) * 2018-07-05 2020-01-09 Vega Grieshaber Kg Sensor-parametrierung durch bildauswertung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022125245A1 (de) 2022-09-29 2024-04-04 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zum Kalibrieren und/oder Justieren eines Sensors

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