EP3633196A1 - Mesure du mouvement verticale - Google Patents

Mesure du mouvement verticale Download PDF

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Publication number
EP3633196A1
EP3633196A1 EP18197883.4A EP18197883A EP3633196A1 EP 3633196 A1 EP3633196 A1 EP 3633196A1 EP 18197883 A EP18197883 A EP 18197883A EP 3633196 A1 EP3633196 A1 EP 3633196A1
Authority
EP
European Patent Office
Prior art keywords
acceleration sensor
component
evaluation device
flow
arrangement according
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP18197883.4A
Other languages
German (de)
English (en)
Other versions
EP3633196B1 (fr
Inventor
Bernd Hackenberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sisto Armaturen SA
Original Assignee
Sisto Armaturen SA
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 Sisto Armaturen SA filed Critical Sisto Armaturen SA
Priority to EP18197883.4A priority Critical patent/EP3633196B1/fr
Publication of EP3633196A1 publication Critical patent/EP3633196A1/fr
Application granted granted Critical
Publication of EP3633196B1 publication Critical patent/EP3633196B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/02—Piston parameters
    • F04B2201/0201—Position of the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/02—Piston parameters
    • F04B2201/0202—Linear speed of the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/02—Piston parameters
    • F04B2201/0203—Acceleration of the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2201/00—Pump parameters
    • F04B2201/02—Piston parameters
    • F04B2201/0207—Number of pumping strokes in unit time

Definitions

  • the invention relates to the detection and / or regulation of the position of a flow-guiding unit.
  • the flow-guiding unit can be, for example, a fitting or a pump, in particular a diaphragm pump.
  • Faucets have two main functions. On the one hand, they serve to regulate the flow, with valves in particular being used for regulating the quantity, in which a very fine adjustment of the stroke is possible.
  • fittings are also used as so-called switching fittings, which are generally used completely open or completely closed.
  • Such switch fittings can be designed, for example, as taps, slides or flaps.
  • the stroke can either be recorded continuously or the position of the respective valve can be recorded in its end positions, i.e. completely open or completely closed.
  • diaphragm pumps also have the option of detecting the stroke and possibly also adjusting it. This means, for example, that the delivery rate can be changed independently of the frequency with which the pump is pumped.
  • a limit switch box can be attached to the actuator housing, for example on valves.
  • a contact piece can be connected to a piston rod, which is connected to the valve body. Movement of the piston rod releases movement of the contact.
  • a proximity switch can be damped for completely open or completely closed. This can be done, for example, by a metal object approaching a field and then damping in a resonant circuit. If the damping exceeds a threshold value, a signal is triggered.
  • an upper region of the box which is fastened on the drive housing, serves for the electrical connection of a proximity switch to a corresponding process control technology device.
  • the position of a flow-guiding unit is often detected by path detection using potentiometers, coil arrays or Hall sensors.
  • a microcontroller evaluates an analog signal, which is then digitized.
  • the open and closed positions are saved and the actual value of the respective sensor is compared with the saved positions. When one of the two end positions is reached, the output is switched open or closed via the microcontroller.
  • the positioner for a valve actuable by a drive.
  • the positioner comprises a position transmitter for detecting the actual position of an actuator.
  • the positioner further comprises a controller unit for comparing the actual position with a predefinable target position for generating an actuating signal.
  • a magnet with a magnetorestrictive sensor is provided as the position transmitter.
  • a GMR sensor is preferably used.
  • the DE 103 60 434 B4 relates to an arrangement for detecting the position of a component that can be driven by an actuator, such as a valve rod.
  • the arrangement comprises a position sensor, which is housed in a controller housing. Furthermore, the arrangement comprises a movable movement representative, via which an actuating movement of the component is transmitted to the sensor. Taking the position of the component is recorded via the position of the movement representative. Actuating forces are transmitted from the component to the movement representatives without contact.
  • the EP 0 961 066 B1 relates to a freely programmable position indicator. This is used especially for valves.
  • the device comprises a movable actuator and a position detection device as well as an electronic evaluation device.
  • the position detection device is assigned to the actuator and continuously detects the position of the actuator while generating an analog output signal.
  • the output signal of the position detection device is forwarded to the electronic evaluation device for determining a position indicator.
  • the position indicator is designed such that free programming of the position indicator is possible by activating a microswitch.
  • the detected positions are stored in the evaluation device.
  • the device has magnetorestrictive sensors. The position of valves can be detected via the sensors.
  • the device comprises a housing with an adjusting means movably arranged therein. Furthermore, the device comprises a spring arranged on the housing. A spring force is applied to the actuating means.
  • a position detection device is located in the upper part of the housing. The upper housing part also has a carrier plate with an actuating means housing and an outer housing. The actuating means and the spring are arranged within the actuating means housing.
  • the object of the invention is to provide an arrangement for detecting and / or regulating the position of a flow-guiding unit which detects the position of a flow-guiding unit precisely and quickly.
  • the arrangement should be able to detect both the end positions and intermediate positions when opening or closing the flow-guiding unit.
  • the arrangement should be characterized by simple assembly and reliable operation.
  • the arrangement should take up as little space as possible.
  • the possibility should be given to record and process other quantities in addition to the detection of the stroke, if necessary also in combination with the stroke.
  • the arrangement should be characterized by an inexpensive method of manufacture and low operating costs.
  • a component connected to a drive of the flow-guiding unit has an acceleration sensor.
  • the acceleration sensor is connected to an evaluation device.
  • the acceleration sensor is preferably an element which has a mass, wherein inertial forces are preferably determined which act on the mass.
  • the acceleration can be inferred from an evaluation of the force measurement.
  • a speed-time function can be determined from an acceleration-time function.
  • a path-time function can be calculated from the speed-time function.
  • the distance-time function is evaluated via reference values so that a statement about the position of the flow-carrying unit is made possible.
  • stroke counting can also be carried out.
  • a great advantage of the invention is that the system can be used without mechanical adaptation.
  • the sensor is attached to a component or integrated into a component, a rod preferably being suitable for this. Since no mechanical adaptation is required in the arrangement according to the invention, a significantly smaller installation space is required than in conventional solutions. By eliminating the adaptation, costs are saved.
  • the component which has the acceleration sensor is connected to a shut-off element.
  • the component can be a piston rod which is connected to a shut-off body of a valve. With a linear movement of the piston rod, the position of the shut-off body can be changed and thus the flow of the flow-guiding device can be regulated.
  • the position of the shut-off body can thus be determined very finely on the one hand in order to create a metering possibility, on the other hand a rough position determination is particularly suitable for detecting the end positions, ie the positions "OPEN" and "CLOSE" of a shut-off element.
  • the accumulated stroke distance over time gives an approach to wear detection. First of all, forecasts can be made for the life of a membrane in a specific area of application. At the same time, data can also be recorded that can be used to improve future forecasts.
  • the acceleration sensor can be connected to the evaluation unit with cables.
  • the acceleration sensor is wirelessly connected to the evaluation device.
  • a short-range radio system in particular an RFID system and / or a Bluetooth system, is preferably used.
  • the wireless connection of the acceleration sensor to the evaluation unit saves installation space. Furthermore, flexible positioning of the evaluation device is made possible. In contrast to the prior art, it is therefore no longer absolutely necessary for the evaluation device to be arranged, for example, on the drive.
  • the evaluation unit can also be positioned at other locations, for example on a device for guiding the medium, in particular on a pipeline. This also enables the acquisition of further measured variables.
  • the evaluation device has further sensors, temperature sensors in particular proving to be advantageous.
  • a flow-carrying unit 2 is installed in a pipe 1 of a system, not shown.
  • the flow-guiding unit 2 is in accordance with the illustration Figure 1 designed as a valve which regulates the flow of a medium 5 via a corresponding stroke of an element 4 interacting with a valve seat 3.
  • the lifting movement is generated by a drive 6 and transmitted to the element 4 by means of a component 7.
  • the component 7 is designed as a rod and the element 4 as a shut-off body.
  • a pneumatic drive 6 is shown purely by way of example. However, an electric drive 6 is preferably used in the invention.
  • FIG. 1 A variant of the invention is shown, in which a connection to an evaluation device 8 takes place via a cable 9.
  • the cable 9 at least partially carries out the movements of the component 7.
  • the evaluation device 8 compares the actual position of the component 7 obtained with the signal with a desired value supplied via a data interface 10 from a fieldbus 11 and regulates the control deviation.
  • FIG Figure 2 shows a sectional illustration of a component 7 of a flow-guiding unit 2 connected to a drive 6.
  • the drive 6 acts as a linear drive.
  • component 7 has an acceleration sensor 12.
  • the acceleration sensor 12 or acceleration sensor is fastened on the component 7 designed as a piston rod.
  • the acceleration sensor 12 can be glued on or arranged with fastening means on the surface of the piston rod.
  • the acceleration sensor 12 can also be integrated into the component 7.
  • the acceleration sensor 12 has a system with which a wireless transmission of the sensor signals is possible. It is preferably a short-range radio system. For example, an RFID system or a Bluetooth LE system can be used.
  • the sensor signals are transmitted to an evaluation device 8, which in Figure 2 is not shown.
  • the evaluation device 8 can also be used as a control device.
  • the acceleration sensor 12 acts as a position transmitter for detecting the actual position of an actuator and interacts with the evaluation device 8 designed as a control unit for comparing the actual position with a predefinable target position for generating an actuating signal.
  • the evaluation device 8 evaluates the signals of the acceleration sensor 12.
  • the path of the acceleration sensor 12 can be calculated by double integration of the acceleration.
  • the acceleration sensor 12 can also be used as a stroke counter.
  • the system can be used without mechanical adaptation. It only has to be attached to component 7. Because there is no mechanical adaptation, the installation space is significantly smaller than with conventional solutions based on the prior art. Costs can also be saved by eliminating the adaptation.
  • an additional radio module is preferably used.
  • the radio module can be powered by a battery, rechargeable battery or "energy harvesting".
  • energy harvesting is the generation of small amounts of electrical energy from sources such as ambient temperature, vibrations or air currents for mobile devices with low power. Nanogenerators are preferably used for this.
  • the in Figure 2 Wireless technology shown Avoids restrictions due to wired power supplies or batteries.
  • Figure 3 shows different variants for the arrangement of the evaluation device 8.
  • the evaluation device 8 can sit on the drive 6, for example.
  • the evaluation device 8 is arranged on a device 13 for guiding the medium 5.
  • the device 13 is shown in accordance with FIG Figure 3 around a pipeline. Due to the possibility of positioning the evaluation device 8 on a pipeline, the temperature profile of the medium 5 can also be determined inexpensively, for example. Together with other measured values, it is therefore possible to collect important information in order to determine statements about the expected service life of the flow-carrying unit. In particular, statements can be made regarding the life of the membrane used, for example in the case of a membrane pump or a membrane valve.
  • the arrangement according to the invention enables a flexible position of the evaluation device 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
EP18197883.4A 2018-10-01 2018-10-01 Mesure du mouvement verticale Active EP3633196B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18197883.4A EP3633196B1 (fr) 2018-10-01 2018-10-01 Mesure du mouvement verticale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18197883.4A EP3633196B1 (fr) 2018-10-01 2018-10-01 Mesure du mouvement verticale

Publications (2)

Publication Number Publication Date
EP3633196A1 true EP3633196A1 (fr) 2020-04-08
EP3633196B1 EP3633196B1 (fr) 2022-04-27

Family

ID=63720537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18197883.4A Active EP3633196B1 (fr) 2018-10-01 2018-10-01 Mesure du mouvement verticale

Country Status (1)

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EP (1) EP3633196B1 (fr)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993021442A1 (fr) * 1992-04-13 1993-10-28 Automatic Monitoring & Control Technologies, Inc. Systeme de commande de pompe pour puits
DE10016636A1 (de) 2000-04-04 2001-10-18 Siemens Ag Stellungsregler, insbesondere für ein durch einen Antrieb betätigbares Ventil
WO2003001063A1 (fr) * 2001-06-21 2003-01-03 Lg Electronics Inc. Dispositif et procede de commande d'un compresseur alternatif
EP0961066B1 (fr) 1998-05-28 2003-12-17 GEMÜ Gebrüder Müller Apparatebau GmbH & Co. KG Dispositif programmable d'indication de position
DE10360434B4 (de) 2003-12-22 2006-12-07 Samson Ag Anordnung, Positionssensor, Einrichtung zum Regeln, Antrieb und Verfahren zum Erfassen der Stellung eines antreibbaren Bauteils
WO2009103138A2 (fr) * 2008-02-22 2009-08-27 Whirlpool S.A. Système et procédé de commande d'un compresseur linéaire
WO2014165831A1 (fr) * 2013-04-05 2014-10-09 Best Larry D Commande vers le bas synchronisée de pompe à vitesse variable et à course variable pour double puits à assistance par récupération
EP2630396B1 (fr) 2010-10-21 2015-03-18 SED Flow Control GmbH Dispositif de détermination de la position pour montage à une vanne et méthode de détermination de la position d'un actuateur
US20160138949A1 (en) * 2014-11-19 2016-05-19 Bode Energy Equipment Co., Ltd. Solar battery wireless integrated load cell and inclinometer
EP3073116A1 (fr) * 2015-03-05 2016-09-28 General Electric Company Procédés et systèmes pour déduire la santé d'un cylindre d'appariement au moyen de détecteurs de cliquetis
US20170030349A1 (en) * 2015-07-28 2017-02-02 Computational Systems, Inc. Compressor Valve Health Monitor
EP2463561B1 (fr) 2007-12-04 2017-11-29 Apv Rosista Gmbh Dispositif d'actionnement d'une vanne de processus à utiliser dans la technologie d'aliments

Family Cites Families (8)

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Publication number Priority date Publication date Assignee Title
DE102005055261B4 (de) * 2005-11-19 2011-01-05 Festo Ag & Co. Kg Ventilanordnung mit wenigstens einem Sensor
NL2002209C2 (en) * 2008-11-14 2010-05-17 Asco Controls Bv Solenoid valve with sensor for determining stroke, velocities and/or accelerations of a moveable core of the valve as indication of failure modus and health status.
JP5577286B2 (ja) * 2011-03-30 2014-08-20 アズビル株式会社 ポジショナ
US10808864B2 (en) * 2014-06-17 2020-10-20 Fisher Controls International Llc System and method for controlling a field device
WO2016175800A1 (fr) * 2015-04-29 2016-11-03 Fmc Technologies, Inc. Procédé de détermination d'une position d'un élément de fermeture de soupape déplacé par un arbre d'actionneur de soupape rotatif
FR3037378B1 (fr) * 2015-06-12 2017-12-01 Areva Np Installation et procede de supervision de vannes d'un circuit hydraulique, circuit hydraulique et produit programme d'ordinateur associes
JP6153145B1 (ja) * 2016-03-29 2017-06-28 巴バルブ株式会社 バルブ診断方法及びバルブ診断装置
JP6828365B2 (ja) * 2016-10-13 2021-02-10 Toto株式会社 水栓装置

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993021442A1 (fr) * 1992-04-13 1993-10-28 Automatic Monitoring & Control Technologies, Inc. Systeme de commande de pompe pour puits
EP0961066B1 (fr) 1998-05-28 2003-12-17 GEMÜ Gebrüder Müller Apparatebau GmbH & Co. KG Dispositif programmable d'indication de position
DE10016636A1 (de) 2000-04-04 2001-10-18 Siemens Ag Stellungsregler, insbesondere für ein durch einen Antrieb betätigbares Ventil
WO2003001063A1 (fr) * 2001-06-21 2003-01-03 Lg Electronics Inc. Dispositif et procede de commande d'un compresseur alternatif
DE10360434B4 (de) 2003-12-22 2006-12-07 Samson Ag Anordnung, Positionssensor, Einrichtung zum Regeln, Antrieb und Verfahren zum Erfassen der Stellung eines antreibbaren Bauteils
EP2463561B1 (fr) 2007-12-04 2017-11-29 Apv Rosista Gmbh Dispositif d'actionnement d'une vanne de processus à utiliser dans la technologie d'aliments
WO2009103138A2 (fr) * 2008-02-22 2009-08-27 Whirlpool S.A. Système et procédé de commande d'un compresseur linéaire
EP2630396B1 (fr) 2010-10-21 2015-03-18 SED Flow Control GmbH Dispositif de détermination de la position pour montage à une vanne et méthode de détermination de la position d'un actuateur
WO2014165831A1 (fr) * 2013-04-05 2014-10-09 Best Larry D Commande vers le bas synchronisée de pompe à vitesse variable et à course variable pour double puits à assistance par récupération
US20160138949A1 (en) * 2014-11-19 2016-05-19 Bode Energy Equipment Co., Ltd. Solar battery wireless integrated load cell and inclinometer
EP3073116A1 (fr) * 2015-03-05 2016-09-28 General Electric Company Procédés et systèmes pour déduire la santé d'un cylindre d'appariement au moyen de détecteurs de cliquetis
US20170030349A1 (en) * 2015-07-28 2017-02-02 Computational Systems, Inc. Compressor Valve Health Monitor

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