WO2018096373A2 - Procédé et appareil de régulation d'écoulement de fluide dans un système de tube flexible - Google Patents

Procédé et appareil de régulation d'écoulement de fluide dans un système de tube flexible Download PDF

Info

Publication number
WO2018096373A2
WO2018096373A2 PCT/HU2017/000050 HU2017000050W WO2018096373A2 WO 2018096373 A2 WO2018096373 A2 WO 2018096373A2 HU 2017000050 W HU2017000050 W HU 2017000050W WO 2018096373 A2 WO2018096373 A2 WO 2018096373A2
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
flexible tube
pinch
valve
pinch valve
Prior art date
Application number
PCT/HU2017/000050
Other languages
English (en)
Other versions
WO2018096373A3 (fr
Inventor
Gergo SCHLOTTER
Gyula GAJDO
Andras Marton TEL
Original Assignee
Schlotter Gergo
Gajdo Gyula
Tel Andras Marton
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 Schlotter Gergo, Gajdo Gyula, Tel Andras Marton filed Critical Schlotter Gergo
Publication of WO2018096373A2 publication Critical patent/WO2018096373A2/fr
Publication of WO2018096373A3 publication Critical patent/WO2018096373A3/fr

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
    • C12C13/00—Brewing devices, not covered by a single group of C12C1/00 - C12C12/04
    • C12C13/10—Home brew equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
    • F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
    • F16K7/045—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by electric or magnetic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
    • F16K7/02—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm
    • F16K7/04—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force
    • F16K7/06—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with tubular diaphragm constrictable by external radial force by means of a screw-spindle, cam, or other mechanical means
    • F16K7/065—Cam clamps

Definitions

  • Method and apparatus in flexible tube systems for the automated control of fluid and gas flow are especially beneficial in food and chemical processes when there is a need for the automated control of the flow of fluids and gases contaminated by dry matters.
  • FT tubes are made, for example, of silicon which complies with the food regulations.
  • the PV narrows down the cross-section of the FT tube to the desired extent from the primary state by clenching the flexible tube resulting in the reduction of fluid flow.
  • the complete closure of the tube in a given cross-section is made by the tube's clenching, as a result of which the fluid flow terminates in the given cross-section. If the PV is opened to some extent again, the fluid flow starts again in the cross-section due to the flexibility of the tube.
  • PV can be operated manually in a unique case, but the motorised version is the universal practice. In the latter case, the PV is typically operated by a low voltage electric motor.
  • PVg built together with an engine as "Pinch Valve Assembly", in short, PVA.
  • the motor in the PVA is controlled with instructions received from the control unit (hereinafter referred to as CU) linked to the motor.
  • CU control unit
  • the CU generates the instructions in various ways.
  • One solution is that the characteristics of the fluid flow are measured with one or more sensors.
  • the CU gives instructions for the modification of the PVA valve's settings taking the measured values into account.
  • These characteristics may include physical features, for example, the fluid's temperature, colour, the weight of the fluid passed through and appeared in the storage tank, the bubble distribution measured optically in the fluid, duration and other physical features.
  • the measurement of chemical characteristics with sensors is also well-known in technical practice. For example, it is possible to measure the alkalinity/acidity of the fluid, the presence/radioactivity or other characteristics of individual solvents, and these data may generate instructions in the CU regarding the operation of the PVA.
  • valve is defined in advance and we achieve the fluid flow according to the desired walkthrough with automatically set tube cross-section changes.
  • PCU programmable control unit
  • PCU is especially important when there are more than one PVAs in the FTS, and it is a complex process. In this case, we talk about the combinatorial application of the physical and chemical characteristics measured in the system as well as the preplanned programme.
  • Another problem is that in case of fluids contaminated with some pollutants the pollutant often forms a deposit or arches in the FT systems. The contaminants may cause narrowing or clog in the given cross-section of the FTS. This problem is rather frequent in the branches, fractures, corners of the FTS to which there is not any solution in the FT systems.
  • a small beer-brewing apparatus must be equipped with an FTS in which the fluid flow can be implemented with PVA units controlled by PCU.
  • Boiling is an integral part of brewing excellent beers, but the beer does not remain free from dry matters. Thus, proteins get separated from it or hop pellet gets into the wort which arches in the tube or causes complete clogging. Clogging can stop the process, as a result of which the automatic operation of the system stops.
  • One of the main purposes of our invention was to create PVA valves which can be applied in FT systems well in the case of contaminated fluids. It is essential to avoid flow loss in the system when they are used and to prevent the clogging or narrowing of all cross-sections of the FTS system.
  • the goal of our invention was to design a unique PVA with which fluid flow in an FT system can be manipulated without clogging.
  • our goal was to design a beer-brewing apparatus in the FT system with PVAs and with their installation and operation.
  • Our invention is a method for the automated control and regulation of fluid and gas flows with PVA valves in flexible tube systems.
  • our invention includes a PVA valve operated with an electric motor and controlled by a program in which a cam mechanism with a predefined characteristic clenches an element tilting on an axle which clamps to the desired extent the flexible tube passing through the PVA valve against a contralateral element.
  • the goal of our invention is to create an FT system in which we install PVA valves invented by us in an apparatus suitable for beer-brewing.
  • BREWIE is an implementation example which does not limit the use of the invention and the claims extend to further applications.
  • FIG. 1 - Example of the design and operation of an FT system with PVA valves
  • FIG. 2 Control electronics of the PVA valve
  • FIG. 3 The assembly of the PVA valve
  • FIG. 4 Perspective representation of the PVA valve
  • FIG. 5 Self-repairing mechanism of the PVA valve
  • FIG. 6 - The change in effort necessary for the closure of the flexible tube
  • FIG. 7 Radial characteristic of the cam mechanism
  • FIG. 8 PVA valves with different cam mechanisms
  • FIG. 9 Perspective representation of the BREWIE beer-brewing apparatus
  • FIG. 11 Scheme for the presentation of BREWIE beer-brewing processes
  • FIG. 12 - 13 - First example of quality beer brewing in the BREWIE
  • the figure displays one detail of the FTS system (14) which connects to a fluid tank marked 'A' and 'B'.
  • Tank 'A' contains fluid contaminated with dry matters (12), tank 'B' is empty.
  • a sensor (26) connecting to tank 'A' measures the volume of the fluid.
  • the sensor may be, for example, a temperature sensor or any other sensor.
  • PVA1 valve (20) is a pinch valve which performs the control of the fluid flow so that it performs a continuous cross-section narrowing or opening in the FTS system (14) between the fully open and fully closed state of the given tube cross-section.
  • PVA2 valve (22) is a pinch valve which brings about abrupt pressure change in the fluid flow. PVA2 valve (22) implements this function so that it provides the closure and opening of the tube cross-section without warning.
  • the PVA valve (24) can be a valve with an optional function.
  • the control of the pump (12) and the valves is carried out by a wired or wireless PCU (programmable control unit) (18).
  • a wired or wireless PCU programmable control unit
  • the task is to deliver the contaminated fluid through the FT system with success without clogging from tank 'A' to tank 'B'.
  • Step 1
  • FIG. 2 presents the electronics of the control of PVA valves (30).
  • the PV (20) can be closed, opened or set with the servomotor (34) according to the requirements.
  • the servomotor (34) can be in an appropriate position. It is possible to set the speed at which the position is reached.
  • the servomotor connects to the current sensing circuit (36) which detects the amount of current drawn by the servo which is processed by an analogue digital converter (38) and forwards it to the PCU ( 8).
  • the PCU (18) calculates and sends the control instruction to the servomotor (34) from the received data through the servo controller (40) based on the
  • FIG. 6 shows that the force needed for the complete closure of the PV increases exponentially. It is known from the current drawn by the servo that the closing point has arrived.
  • FIG. 3 displays the assembly of the PVA pinch valve (50) with which we explain its parts and operation.
  • the PVA pinch valve (20) composes of two main parts, a pinch valve (32) placed in the valve housing (52) to which an electronically driven servomotor connects (34) add the servomotor (34) connecting to a programmable control unit (18) with wire.
  • the valve housing (52) has a gap appropriate for the flexible tube's leading through. It is designed in a way to be suitable for its fixation to a defined cross-section of the FT system (14).
  • the tilting element (62) of the pinch valve (32) serving for clenching the tube is on the axle fixed to the valve housing, while the fixed edge (56) is in the wall of the valve housing (52).
  • the tilting element (62) ends with a cutter (64) to clamp the tube. Due to the design of the cutter (64) it is not possible to completely pinch off the flexible tube (14). It is because the clenching edge of the cutter (64) is semi-circle. For the same reason, the design of the fixed edge (56) may be semi-circle, thereby it is not a sharp surface which impressed the tube wall.
  • the servomotor (34) fixed to the valve housing (52) connects to the cam mechanism (60) with a gear (58).
  • PVA pinch valve's (20) operation the servomotor (34) - on the instruction given by the PCU (18) - turns the cam mechanism (60) through the gear (58) in the right angle and thereby it grasps the tilting element (62) on the flexible tube (14).
  • the tube cross- section between the cutter of the tilting element (64) and the fixed edge (56) becomes flat or closes.
  • the PVA pinch valve (20) becomes self-closing.
  • the servomotor's (34) intervention is needed only when a gap is set. Therefore the energy use is minimal.
  • the PCU (18) determines whether the valve is completely closed from the change in the power of the servomotor (34) connected to the cam mechanism (60) during the closing of the PVA pinch valve (20).
  • FIG. 4 Perspective representation of the PVA valve (70).
  • FIG. 5 shows the self-repairing mechanism (80) of the PVA valve. Considering that for the provision of the desired flow rate in FT systems (14) it is a requirement to accurately set the gap in a given cross-section or the complete, stripe- less close of the cross-section, the self-repairing setting of the tilting element (62) is indispensable.
  • V-shaped rib (82) exerts even force on the tilting element (62) thus ensuring complete closure. This design simplifies the construction; it is not necessary to seek for parallel guidance and simplifies the production of the PVA valve (20).
  • FIG. 6 shows the change in the effort necessary for the closure of the flexible tube (90). It can be seen that the biggest effort is needed at the end of the closure. As a result, due to the design of the cam mechanism (60) we are able to optimise the power of the servomotor (34) applied in the PVA pinch valve (20).
  • the radial characteristic of the cam mechanism (60) is demonstrated in FIG 7. As it can be seen, the characteristic of the cam mechanism (60) increases in the beginning, while it slows down in the end. Owing to this changing increase in radius we have achieved that at the end of the closure we can exert larger force with the same torque with more massive angular displacement.
  • FIG. 8 depicts two versions of the PVA pinch valve.
  • Solution type 'A' shows a cam mechanism designed in the PVA2 pinch valve sawtooth unit (22) which received its name after its saw teeth.
  • the use of this unit in an FT system (14) provides the generation of pressure surges during the delivery of contaminated fluids (12).
  • Solution type 'B' is the gradual version (1 12) of PVA3 pinch valve.
  • the characteristic of the cam mechanism (60) shows a break with gradual nature.
  • 'B'-type cam mechanism (60) mainly serves to set the predefined flow rate
  • the rounding of the cam mechanism (60) is designed so that the radius is constant in a relatively long section in the appropriate places.
  • cam mechanism (60) profile continuously increasing cam mechanism (60) profile.
  • our invention is a pinch valve assembly (24) controlled according to a program and operated with an electric motor in which a cam mechanism (60) with a
  • predefined characteristic clamps an element tilting on an axle with a cutter (62) which clenches the flexible tube passing through the pinch valve against a contralateral fixed edge (56) to the desired extent.
  • our invention includes the design of the FT system (14) with PVA pinch valves (24) in an apparatus suitable for beer brewing.
  • FIG. 9 includes one implementation plan for the application of our invention, the BREWIE beer-brewing apparatus (140). We marked the primary processes of beer- brewing, namely the brewing, hopping and lautering in the figure.
  • FIG. 10 is the overview drawing of our solution in which we marked only a few elements which belong to the essence of our invention.
  • FIG. 10 we market the FTS (14) with a thicker line, while the PVA pinch valves (24) with a text "PVA”.
  • the PVA pinch valves (24) are connected to the PCU (18) with an electric wire.
  • Our invention extends to all beer-brewing apparatuses in which we carry out the control of flow with PVA pinch valves (24) from which at least two are equipped with a cam mechanism with different characteristic (60).
  • our invention is a beer-brewing apparatus (140) in which we control the flow in the FTS (flexible tube system) (14) with VA pinch valves (24) prepared with a cam mechanism of different characteristic (60) from which at least one valve can generate pressure surge.
  • FTS flexible tube system
  • VA pinch valves 234
  • a cam mechanism of different characteristic 60
  • the application of our invention provides an opportunity to brew unique quality beers in an apparatus suitable for beer-brewing in which the fluid flow is provided by the automated control of PVA pinch valves (24) in an FT system (14).
  • the uniqueness of our beer-brewing method is because we have implemented an opportunity to brew unique beers in the BREWIE apparatus (140) meeting the flavour and composition expected by the users.
  • FIG. 1 1 shows a scheme for the internal design of the BREWIE apparatus (140) in which we marked all elements which play a role in the beer-brewing processes with numbers.
  • FIG. 12-13 show the process of quality beer-brewing in the BREWIE apparatus (140) as per the first example.
  • FIG. 14 - 15 show the process of quality beer brewing in the BREWIE apparatus (140) as per the second example.
  • FIG. 16 - 17 show the process of quality beer brewing in the BREWIE apparatus (140) as per the third example.
  • our invention provides an opportunity to brew quality beers in an automated beer- brewing apparatus in which we implement all elements of the traditional domestic beer-brewing in our automatic system.
  • we create the desired wort by merging or mixing the basic materials needed for beer- brewing.
  • This process does not require a flexible tube system (14) if it is handmade; we carry out the part-processes separately with direct human intervention.
  • the FT systems (14) cannot be used efficiently according to the traditional interpretation. Therefore, the FT system (14) needs to be prepared for the properties of the fluid. We implemented this preparation with different unique cam mechanisms (60) resulting in the professionalism of the beer-brewing steps.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Food Science & Technology (AREA)
  • Genetics & Genomics (AREA)
  • General Physics & Mathematics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Reciprocating Pumps (AREA)
  • Devices For Dispensing Beverages (AREA)

Abstract

L'invention concerne un procédé et un appareil dans des systèmes de tubes flexibles servant à réguler automatiquement l'écoulement de fluides et de gaz contaminés par des matières sèches. Des robinets-vannes à manchon déformable, dotés d'un mécanisme à came conçu dans le système de tube, présentant une caractéristique unique, entraîné par un servomoteur commandé, sont utilisés. Le mécanisme à came entraîné serre un élément d'inclinaison sur le tube, contre un bord fixe opposé et, par conséquent, pince celui-ci. Les unités de commande de moteur sont connectées à une unité de commande programmable qui ordonne de fermer ou d'ouvrir les robinets-vannes à manchon déformable en prenant en considération les données d'écoulement planifiées et mesurées. Les robinets-vannes à manchon déformable dotés d'un ou de plusieurs mécanismes à came en dents de scie installés pendant la procédure génèrent périodiquement des surpressions pour empêcher que la matière sèche ne se dépose. L'appareil fabriqué pour le système est équipé des robinets-vannes à manchon déformable précités. Par exemple, le petit appareil appelé « BREWIE » développé pour une invention est approprié pour le brassage de bière domestique.
PCT/HU2017/000050 2016-11-22 2017-11-20 Procédé et appareil de régulation d'écoulement de fluide dans un système de tube flexible WO2018096373A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662425570P 2016-11-22 2016-11-22
US62425570 2016-11-22

Publications (2)

Publication Number Publication Date
WO2018096373A2 true WO2018096373A2 (fr) 2018-05-31
WO2018096373A3 WO2018096373A3 (fr) 2018-10-04

Family

ID=61163732

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/HU2017/000050 WO2018096373A2 (fr) 2016-11-22 2017-11-20 Procédé et appareil de régulation d'écoulement de fluide dans un système de tube flexible

Country Status (1)

Country Link
WO (1) WO2018096373A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11123477B2 (en) * 2016-09-16 2021-09-21 Dentsply Ih Ab Motorized irrigation system with improved flow control

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248009A (en) * 1964-06-19 1966-04-26 Leslie Peake Entpr Inc Beer dispenser and method of dispensing
DE20117946U1 (de) * 2001-11-03 2003-03-13 Mueller A & K Gmbh Co Kg Absperrorgan für strömende Medien

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11123477B2 (en) * 2016-09-16 2021-09-21 Dentsply Ih Ab Motorized irrigation system with improved flow control

Also Published As

Publication number Publication date
WO2018096373A3 (fr) 2018-10-04

Similar Documents

Publication Publication Date Title
EP1720668B1 (fr) Nettoyage d'une pluralite de conduits d'alimentation
EP2410325B1 (fr) Appareil et procedes de caracterisation de polymeres
US8033187B2 (en) Device and method for taking samples
WO2006065426A3 (fr) Systeme et procede de distribution de debit pulse
US20050058016A1 (en) Method to blend two or more fluids
US7741525B2 (en) Blending processes and systems
WO2018096373A2 (fr) Procédé et appareil de régulation d'écoulement de fluide dans un système de tube flexible
US20050127115A1 (en) Water purification apparatus
US20130298644A1 (en) Apparatus and Method For Measuring Viscosity of a Fluid
WO2006044585A3 (fr) Procede et appareil de mise a la teinte
CN106940378B (zh) 数字pcr液滴检测的进液系统及数字pcr系统
TW200625046A (en) Fluid flow control device and system
US10512888B2 (en) Multiple identification point automated parameter assurance method
WO2009055291A3 (fr) Réservoir de stockage de liquide avec une chicane de régulation d'écoulement interne et procédés
CA2951398A1 (fr) Procede d'assurance de parametres automatise aux points d'identification multiples
TW202024835A (zh) 用於使用外部壓力觸發儀輸送脈衝氣體的方法和裝置
US11920439B1 (en) Situ treatment analysis mixing system
JP5300897B2 (ja) 弁開度制御システム
US20030212507A1 (en) Real time mass flow control system with interlock
EP3184732B1 (fr) Procédé et agencement pour l'injection de matériau de roche et de sol
WO2010025826A3 (fr) Organe de régulation de pression, en particulier clapet de ventilation pour ventiler un micro-doseur
WO2016142063A1 (fr) Dispositif d'aération du vin
WO2005001317A3 (fr) Systeme d'ecoulement comportant une vanne proportionnelle haute resolution dotee de caracteristiques sur mesure
CN113499608B (zh) 一种酶促反应的层析系统及其控制方法
GB0515769D0 (en) Fluid dispense apparatus

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17838135

Country of ref document: EP

Kind code of ref document: A2

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17838135

Country of ref document: EP

Kind code of ref document: A2