WO2015089595A1 - Débitmètre télémétrique pour liquides avec changement de mécanisme - Google Patents

Débitmètre télémétrique pour liquides avec changement de mécanisme Download PDF

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Publication number
WO2015089595A1
WO2015089595A1 PCT/BR2013/000572 BR2013000572W WO2015089595A1 WO 2015089595 A1 WO2015089595 A1 WO 2015089595A1 BR 2013000572 W BR2013000572 W BR 2013000572W WO 2015089595 A1 WO2015089595 A1 WO 2015089595A1
Authority
WO
WIPO (PCT)
Prior art keywords
meter
flow rate
fluid flow
telemetric
same
Prior art date
Application number
PCT/BR2013/000572
Other languages
English (en)
Portuguese (pt)
Inventor
Giovanni José FERNANDEZ
Original Assignee
MANGANELLI, Laurindo
MOISÉS NACIF, Alfeu
PENNA, José, Arthur
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 MANGANELLI, Laurindo, MOISÉS NACIF, Alfeu, PENNA, José, Arthur filed Critical MANGANELLI, Laurindo
Publication of WO2015089595A1 publication Critical patent/WO2015089595A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/05—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 using mechanical effects
    • G01F1/06—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 using mechanical effects using rotating vanes with tangential admission
    • G01F1/075—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 using mechanical effects using rotating vanes with tangential admission with magnetic or electromagnetic coupling to the indicating device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/061—Indicating or recording devices for remote indication
    • G01F15/063—Indicating or recording devices for remote indication using electrical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/07—Integration to give total flow, e.g. using mechanically-operated integrating mechanism
    • G01F15/075—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means
    • G01F15/0755—Integration to give total flow, e.g. using mechanically-operated integrating mechanism using electrically-operated integrating means involving digital counting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture

Definitions

  • the present invention hereinafter referred to as the Telemetric Clock Exchange Fluid Flow Meter, is suitable for measuring cold water flow from a conventional hydrometer by replacing its mechanical and dry part with another electronic equivalent, which has the primary function of totaling said flow by transmitting it wirelessly to another post-processing device in order to indirectly achieve control and direct supervision of the fluid delivery system, transferring the desired information telemetrically.
  • a flow meter is the device used to measure the flow of a fluid in a conduction medium. For example, the flow of water in a pipe.
  • a flow meter especially the hydrometer, uses water flow to displace a turbine that drives a gear assembly.
  • the axis of said turbine is magnetically coupled to a set of gears which has the sole purpose of presenting the totalization of the flow. This totalization is displayed as numbers printed on axial disks to be read by an agent designated by the meter owner.
  • the present invention aims to provide a fluid flow meter with superior durability, reduced pressure drop and additional functionality over conventional metering.
  • Such meter has direct applicability in large number of drinking water connections for residential supply where remote measurement proves to be of great attraction.
  • a measurement error level of 3% is achieved, much lower than the 15% to 20% values found in conventional meters. which use various mechanical parts, especially those with advanced use.
  • Considering the reduction in the number of moving parts in the meter, as opposed to the many moving parts in the conventional meter, a considerable reduction in the meter's moment of inertia is achieved. This remarkable feature results in a drastic reduction of wear on this moving part, producing greater system longevity while maintaining its accuracy during its use time.
  • the direction of flow can be determined, thus enabling the increase or decrease of the totalization coherently to the direction of fluid flow.
  • its speed is determined by counting the time interval between this first pass and the next.
  • the totalization of the measurement is also acquired directly by counting the number of rotor turns.
  • external magnetic fields could eventually be placed near the meter to prevent rotor movement or to produce uncertain readings by the sensors.
  • external magnetic field approach sensors inform the digital system of the presence of such an event, producing an alarm signal to be transmitted to a data collecting unit and to the meter owner.
  • meter housing aperture sensors produce an alarm signal, fulfilling a similar function and purpose.
  • an electromagnetic shield is placed between the body of the meter and its housing so that, if an attempt was made to detect fraud by means of an external magnetic field, the meter does not cease the measurement work, preserving the integrity. of totalization.
  • the equipment has a reading indicative display where items such as totalization, instantaneous flow and the battery state of the meter can be checked.
  • the items to be shown on the display can be chosen. The display of the requested value is made in sufficient time for reading only, and the display is then turned off to save battery power.
  • the meter In alignment with the purpose of using minimal energy, the meter, having not detected the presence of fluid movement, goes into hibernation and returns to full operation as soon as any measurement need is detected informed by the system sensors.
  • This hibernation system is also used in the long time intervals between activation of the sensors, observed in small flows. During these sensor idle intervals, the system hibernates.
  • the measurement totalization is transmitted, along with the meter-specific representative code, so that this information can be used by the equipment owner's supervisory system.
  • the equipment owner's supervisory system In the event of an alarm, produced by the various sensors present in the system or the occurrence of a critical level of battery charge, it will be transmitted immediately, activating the control system of the said owner. In this way, the functionality of the indirect control of the system is guaranteed, because in the event of the alarm, corrective measures can be taken.
  • Figure 1 shows the meter, object of the present order, assembled, where it is presented with the protective cover of the display in the open position.
  • Figure 2 presents the exploded view of the equipment where its main components placed near its connection points can be observed.
  • Figure 3 presents the block diagram of the electronics that make up the measurement system.
  • the traditional gauge consists of the turbine (1), the external adjusting screw (2) and the gear assembly (3) where, for clarity of illustration, not all gears are drawn.
  • the indicator arrow (4) shows the direction of positive flow.
  • the meter is presented assembled, as shown in figure 2, and consists of an upper housing (5) with opening for the display (6) and hinged lid (7) for its closing.
  • the hinged lid has an opening angle greater than 90 degrees allowing for a wide view of the measurement.
  • Figure 2 shows the meter in exploded view, where you can see, in addition to the items already shown in figure 2, the various components of the equipment. For clarity of design, complementary and ordinary parts such as screws and washers have been deleted.
  • the function button (8) which provides to provide measurement information.
  • the upper housing (5) also comprises the data transmission system antenna (9), the battery holder (10), the battery (11), the magnetic field sensor (12) and the housing aperture sensor ( 13).
  • the spindle of the metering disc (14) magnetically mates with the rotating magnetic device of the lower meter housing. Connected to this axis is the measuring disc (15). Aligned with this disc are the measuring sensors (16) and (17).
  • the upper housing (5) is coated with the magnetic shield (18) in order to protect the measuring system from electromagnetic noise or external magnetic fields.
  • the flow rate is defined as positive or negative and the consequent increase or decrease.
  • the measuring sensor (16) is activated in advance and immediately upon the activation of the measuring sensor (17), there will be counterclockwise rotation and consequent positive fluid flow.
  • the measuring sensor (16) is activated after and immediately after the measuring sensor (17) is activated, there will be clockwise rotation and consequent negative flow of the fluid.
  • All electronics are mounted on the printed circuit board (23) where the hole for mounting the meter disc shaft (14) is also provided.
  • the printed circuit board (23) has the function of acting as a point of alignment of the meter disc axis (14), which is supported on it and also guided magnetically by the magnetic axis formed at the bottom of the hydrometer.
  • Figure 3 shows the block diagram of the digital measurement system.
  • the sensor block (19) detects movement and determines the direction of rotation of the metering disk (15), informing the microprocessor block (20) of the presence and polarity of the fluid flow.
  • the microprocessor block 20 may enter hibernation mode if it does not detect rotor movement within a certain time interval and may hibernate during the intervals between motion detections when flow rate is too low.
  • the display (6) is in the normal operating condition as off, only being switched on for a short time in response to requests made by the function button (8).
  • Function button (8) is used to display accumulated volume readings, instantaneous flow rate and estimated battery charge percentage.
  • the battery monitor block (21) monitors the estimated amount of battery charge (11) and informs it to the microprocessor block (20). This in turn, in addition to the other assignments, monitors the state of the housing aperture sensor (13) and the magnetic field sensor (12).
  • the system alarm will be generated when there will be a consequent immediate transmission of this information to the owner by the microprocessor block (20) using the transceiver (22).
  • Another hypothesis for data transmission is data transfer upon request from the data collector equipment, when the transceiver block (22) is triggered by the data collector, thereby triggering the microprocessor block (20) to be transmitted and received. Dice.
  • the meter identification number, the current totalizer reading and a coherence check number of the transmitted data are transmitted.
  • the meter transmits the reading, upon request, it waits for confirmation of receipt of the information by the data collection unit. If it does not confirm receipt, the microprocessor block 20 will resend the requested information as many times as determined by the system owner, in which case the data collection equipment shall determine and inform the supervisory system of the meter's inactivity. However, it will not cease its measurement activities.

Abstract

L'invention concerne un débitmètre télémétrique pour fluides avec changement de mécanisme, destiné à mesurer le débit d'eau froide à partir d'un hydromètre classique, par remplacement de sa partie mécanique et sèche par une partie électronique équivalente, ayant pour fonction principale de totaliser ledit débit, le transmettant par connexion sans fil à un autre dispositif de post-traitement en vue d'atteindre de manière indirecte la commande et de manière directe le contrôle du système de fourniture de ce liquide, transférant les informations souhaitées par voie télémétrique. Le présent débitmètre vise à mesurer le débit de liquides avec une durabilité supérieure compte tenu de la perte de charge réduite et des fonctionnalités additionnelles par rapport à la mesure classique. Ce débitmètre trouve une application directe dans un grand nombre de systèmes de raccordement en eau potable pour fourniture domestique pour lesquels la mesure à distance présente une grande attractivité. Grâce à cette invention, appliquée à des composants mécaniques de précision, et à l'utilisation d'une technologie électronique de traitement de données, on atteint un niveau d'erreur de mesure de 3%, outre une réduction du nombre de pièces mobiles dans le débitmètre, avec une réduction très importante du moment d'inertie du débitmètre. On obtient en outre une plus grande longévité du système, sans altération de sa précision au cours de sa période d'utilisation. L'accouplement magnétique fourni par la partie mouillée du débitmètre permet de produire des signaux électriques dans des capteurs magnétiques, lesquels sont analysés par un circuit numérique en vue de déterminer le débit et de le totaliser. Cette variante est obtenue par utilisation d'un aimant rotatif sur des capteurs magnétiques statiques placés à proximité de l'axe du rotor. L'écoulement produit le déplacement souhaité sur le rotor, proportionnellement au volume déplacé. Après détection de la rotation, sa vitesse est déterminée par comptage de l'intervalle de temps entre le premier passage et le suivant. La totalisation de la mesure est également acquise de manière directe par comptage de la quantité de tours du rotor. À une date fixée, la totalisation de la mesure est transmise conjointement avec un code représentatif spécifique du débitmètre, de sorte que cette information soit exploitée par le système de contrôle du propriétaire de l'équipement.
PCT/BR2013/000572 2013-12-17 2013-12-17 Débitmètre télémétrique pour liquides avec changement de mécanisme WO2015089595A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BR102013032504 2013-12-17
BRBR1020130325040 2013-12-17

Publications (1)

Publication Number Publication Date
WO2015089595A1 true WO2015089595A1 (fr) 2015-06-25

Family

ID=53401812

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2013/000572 WO2015089595A1 (fr) 2013-12-17 2013-12-17 Débitmètre télémétrique pour liquides avec changement de mécanisme

Country Status (1)

Country Link
WO (1) WO2015089595A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295370A (en) * 1962-08-08 1967-01-03 Elster & Co Ag Fluid metering device
US3688271A (en) * 1970-08-10 1972-08-29 Readex Electronics Inc Method and apparatus for transmitting utility meter data to a remote mobile command unit
US4940976A (en) * 1988-02-05 1990-07-10 Utilicom Inc. Automated remote water meter readout system
US5574229A (en) * 1994-03-21 1996-11-12 Contadores De Aqua De Zaragoza Electronic water meter with corrections for flow rate
US6098456A (en) * 1997-05-06 2000-08-08 Societe Anonyme De Production De Procedes De Comptage De L'eau Et Autres Liquides, Sappel Anti-fraud liquid meters having a drive and driven magnets with double polarity faces
WO2001084089A1 (fr) * 2000-05-04 2001-11-08 Schlumberger Resource Management Services, Inc. Debitmetre muni d'un capteur de flux magnetique
US6604434B1 (en) * 2000-06-23 2003-08-12 Neptune Technology Group, Inc. Method and apparatus for determining the direction and rate of a rotating element
US6954178B2 (en) * 2001-03-09 2005-10-11 Arad Measuring Technologies, Ltd. Meter register
US7267014B2 (en) * 2004-09-23 2007-09-11 Arad Measuring Technologies Ltd. Meter register having an encoder
US7360413B2 (en) * 2004-12-29 2008-04-22 Water Cents, Llc Wireless water flow monitoring and leak detection system, and method

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3295370A (en) * 1962-08-08 1967-01-03 Elster & Co Ag Fluid metering device
US3688271A (en) * 1970-08-10 1972-08-29 Readex Electronics Inc Method and apparatus for transmitting utility meter data to a remote mobile command unit
US4940976A (en) * 1988-02-05 1990-07-10 Utilicom Inc. Automated remote water meter readout system
US5574229A (en) * 1994-03-21 1996-11-12 Contadores De Aqua De Zaragoza Electronic water meter with corrections for flow rate
US6098456A (en) * 1997-05-06 2000-08-08 Societe Anonyme De Production De Procedes De Comptage De L'eau Et Autres Liquides, Sappel Anti-fraud liquid meters having a drive and driven magnets with double polarity faces
WO2001084089A1 (fr) * 2000-05-04 2001-11-08 Schlumberger Resource Management Services, Inc. Debitmetre muni d'un capteur de flux magnetique
US6604434B1 (en) * 2000-06-23 2003-08-12 Neptune Technology Group, Inc. Method and apparatus for determining the direction and rate of a rotating element
US6954178B2 (en) * 2001-03-09 2005-10-11 Arad Measuring Technologies, Ltd. Meter register
US8109131B2 (en) * 2001-03-09 2012-02-07 Arad Measuring Technologies Ltd. Meter register transmitting flow rate warning
US7267014B2 (en) * 2004-09-23 2007-09-11 Arad Measuring Technologies Ltd. Meter register having an encoder
US7360413B2 (en) * 2004-12-29 2008-04-22 Water Cents, Llc Wireless water flow monitoring and leak detection system, and method

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