WO2010076028A1 - Système et procédé destinés à la détermination et à la surveillance de débits volumiques - Google Patents

Système et procédé destinés à la détermination et à la surveillance de débits volumiques Download PDF

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Publication number
WO2010076028A1
WO2010076028A1 PCT/EP2009/009326 EP2009009326W WO2010076028A1 WO 2010076028 A1 WO2010076028 A1 WO 2010076028A1 EP 2009009326 W EP2009009326 W EP 2009009326W WO 2010076028 A1 WO2010076028 A1 WO 2010076028A1
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WO
WIPO (PCT)
Prior art keywords
volume
measured values
data processing
processing device
medium
Prior art date
Application number
PCT/EP2009/009326
Other languages
German (de)
English (en)
Inventor
Roger Frank
Original Assignee
Elster Messtechnik Gmbh
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 Elster Messtechnik Gmbh filed Critical Elster Messtechnik Gmbh
Priority to EP09806083A priority Critical patent/EP2370789A1/fr
Priority to CN2009801535044A priority patent/CN102272555A/zh
Publication of WO2010076028A1 publication Critical patent/WO2010076028A1/fr

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Classifications

    • 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
    • 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
    • G01F1/08—Adjusting, correcting or compensating means therefor
    • 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
    • H04Q2209/20—Arrangements in telecontrol or telemetry systems using a distributed architecture
    • H04Q2209/25—Arrangements in telecontrol or telemetry systems using a distributed architecture using a mesh network, e.g. a public urban network such as public lighting, bus stops or traffic lights
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/30—Arrangements in telecontrol or telemetry systems using a wired architecture
    • 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
    • H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
    • H04Q2209/84—Measuring functions
    • H04Q2209/845—Measuring functions where the measuring is synchronized between sensing devices

Definitions

  • the invention relates to a system and a method for the determination and monitoring of volume flows, in particular of liquid streams, such as water or oil, in utilities or supply networks.
  • COFJFIRMATION COPY can and for example activate passports and / or valves to open or close, or to obtain evidence of a possible fault.
  • the sensors used must also be wired accordingly in order to read out and utilize the respective sensor information. If necessary, the operation of the sensors also requires a power / voltage supply, which would entail further cabling.
  • DMAs Density Metering Areas
  • Such DMAs may well have several hundred to several thousand service connections or points, each DMA in the simplest case, only a single water supply, each with a control and / or controllable inlet valve or a pressure-reduced valve (PRV ) and a flow meter.
  • PRV pressure-reduced valve
  • the system according to the invention for the determination and monitoring of volume flows in utilities and / or supply networks, in particular in water supply networks and / or such enterprises comprises at least one data processing device, at least one receiving device and a plurality of volumetric meters spatially distributed in the respective supply operation and / or in the respective supply network in each case at least one sensor arrangement and transmission unit and at least one predeterminable specific parameter of the medium flowable by the respective volumeter can be monitored and / or detected and wherein in cooperation of the transmission unit, receiving device and data processing device spatially resolved detection and transmission of the measured values of respective volume meter to the at least one data processing device for further processing feasible and / o which is feasible.
  • At least one communication connection between the respective transmission unit and the receiving device and / or between the receiving device and the data processing device can be provided, which can be formed in each case wirelessly or by wire.
  • At least one communication connection may be a Local Area Network (LAN), Wide Area Network (WAN), Wireless Local Area Network (WLAN), Bluetooth, SCSI, USB or radio communication.
  • a bus connection in particular a fieldbus connection, such as ControlNet, Ethernet, Profibus or Profinet, Modbus, MBus, XBus or CAN or CANopen and the like are basically possible.
  • the receiving device is also advantageously possible to provide for the receiving device to be integrable or to be integrated or integrated into the data processing device or to be designed as part of the data processing device, for example as a plug-in card or module, or as a so-called stick.
  • the transmission unit can be set up to carry out on-line acquisition and / or transmission of real-time measured values of the volume meters and in particular of the sensor arrangement, in particular cyclically and / or in real time, the respective scanning cycle of the transmission unit being freely determinable and / or via a Remote access is changeable online.
  • the respective volume meter comprises an arithmetic unit, a volume measuring device with a measuring space through which a medium can flow, at least one inflow and outflow as well as a counter arrangement.
  • At least one interface in particular a freely configurable interface, can be provided which, in cooperation with the data processing device, links the system to subordinate control devices of the system respective supply operation and / or the respective supply network, in particular a water supply operation or water supply network, causes, for example, to control / actuation of actuators, especially sliders and / or pumps, and / or for controlling valves, in particular valves, for example, to activate / switch Bei Georgssen and / or for purposeful control / regulation of the respective volume flow, and / or its distribution.
  • a selective coupling or decoupling between counter arrangement and arithmetic unit can be effected, wherein in an advantageous embodiment the coupling between counter arrangement and arithmetic unit is effected when the parameter detected by the sensor arrangement corresponds to a predetermined medium, in particular a liquid such as water, and / or this is to be assigned.
  • a decoupling between the counter arrangement and the arithmetic unit can be effected if the parameter detected by means of a sensor arrangement corresponds to a gaseous medium, in particular air, or is to be assigned thereto.
  • the sensor arrangement has means for determining the electrical conductivity, the electrical resistance, the capacitance, the inductance, the magnetic susceptibility, the optical density or the refractive index or another physical variable of the medium flowing through the measuring space or a combination thereof capture and / or determine.
  • means are advantageously provided which selectively effect a coupling or decoupling of the counter arrangement and the arithmetic unit as a function of the characteristic value value determined by the sensor arrangement and / or effect the coupling and / or decoupling on the basis of at least one predeterminable characteristic threshold value.
  • the coupling and / or decoupling of the arithmetic unit and counter arrangement is electronically controlled, wherein it is further foreseeable that the coupling and / or decoupling between the arithmetic unit and counter arrangement is effected electrically, electromagnetically, inductively, capacitively, optically or mechanically or a combination thereof
  • volume meter or meter is a multibeam volume meter, preferably an electronic multibeam volume meter.
  • the volume meter comprises its own energy supply, which also supplies the sensor arrangement and the transmission unit with electrical energy and which is designed as an accumulator arrangement and / or solar cell arrangement and / or wind rotor with generator or a combination thereof.
  • the volume counter comprises means which enable a wired and / or wireless (wireless) energy supply by means of an external energy source, in particular an energy receiving device with ferrite antenna.
  • the counter arrangement comprises a rotatably mounted in the measuring chamber measuring body which is offset from the medium flowing through the measuring chamber in rotation, the volumeter is designed in particular as an impeller and a measuring body with impeller with impeller shaft comprises, or is designed as a rotary piston meter and a Includes measuring body with eccentrically mounted piston with rotary shaft.
  • the counter arrangement has at least one pulse generator and at least one pulse sensor, wherein the at least one pulse generator is in operative connection with the measuring body of the counter arrangement and with the at least a pulse sensor cooperates such that rotational movements of the measuring body in the form of volume proportional pulses from the pulse sensor can be detected and the pulse sensor of the counter assembly can be coupled to the calculator such that rotational movements of the measuring body from the arithmetic unit can be detected and / or converted into a volume, the conversion preferably electronically he follows.
  • the sensor arrangement of the respective volumeter has at least two electrically conductive contacts, which are arranged spaced apart from one another in the areas of the volumetric meter, in particular in the measuring space, and / or between two contacts a voltage difference can be acted upon.
  • means can be provided for monitoring and / or determining the electrical conductivity and / or the electrical resistance of the medium flowing between the at least two contacts.
  • the data processing device comprises at least one processing unit which evaluates the measured values of the various volume meters and determines from the supplied or transmitted sensor information a statement as to which volume flow is currently flowing or which volume meter flows through which volume flow and / or medium.
  • the stated object is also achieved by a method for determining and monitoring volume flows in utilities and / or supply networks, in particular in water supply networks and / or such operations, in particular by means of a system designed according to the preceding embodiments, in which measured values of a plurality of volumetric sensors spatially distributed in the respective supply operation and / or in the respective supply network are read out wirelessly and analyzed in a spatially resolved manner, and in each case based on sensor information contained in the measured values with respect to at least one predeterminable specific parameter of the medium which can be flowed through the volume meter location-resolved monitoring and / or determination of the volume flows occurring in the respective network and / or the supply operation is performed.
  • a location-accurate determination and monitoring of the respective volume flow is made possible, which are additionally made possible by analysis and evaluation of the respective measured characteristic statements about which medium, such as gas, water, oil but other chemicals, the respective volume flow is formed.
  • the readout of the measured values is carried out wirelessly and / or by means of wired (Local Area Network), WAN (Wide Area Network), WLAN (Wireless Local Area Network), Bluetooth, SCSI, USB or radio connection.
  • wired Local Area Network
  • WAN Wide Area Network
  • WLAN Wireless Local Area Network
  • Bluetooth SCSI
  • USB radio connection
  • bus connection in particular a fieldbus connection, such as ControlNet, Ethernet, Profibus or Profinet, Modbus, MBus, XBus or CAN or CANopen and the like, the reading of the measured values is basically feasible.
  • the detection and / or reading of the measured values, in particular of real-time measured values, of the volume meter becomes cyclical and / or in real time, carried out, wherein the respective readout cycle freely determinable and / or online via a remote access is changeable.
  • based on the method according to certain volume flows in cooperation with at least one subordinate control / regulating device of the respective utility and / or the respective supply network, in particular a water supply or water supply network, for example by driving / actuation of actuators, especially sliders and / or pumps , and / or by controlling valves, in particular valves, in particular for activating / switching by-passes, a purposeful control / regulation of the respective volume flow and / or its distribution feasible.
  • a selective coupling or decoupling between the counter arrangement and the arithmetic unit of the respective volume counter can be effected as a function of the size, the coupling between the counter arrangement and the arithmetic unit being effected in an advantageous embodiment if the parameter detected by the sensor arrangement corresponds to a predetermined medium, in particular a liquid such as water , corresponds and / or is assigned to this.
  • a decoupling between the counter arrangement and the arithmetic unit can be effected if the parameter detected by means of a sensor arrangement corresponds to a gaseous medium, in particular air, or is to be assigned thereto.
  • the electrical conductivity, the electrical resistance, the capacitance, the inductance, the magnetic susceptibility, the optical density or the refractive index or another physical quantity of the medium flowing through the measuring space or a combination thereof are detected as sensor information by means of the respective volume meter and / or determined.
  • the coupling and / or decoupling of the arithmetic unit and counter arrangement is carried out electronically controlled, wherein it is further foreseeable that the coupling and / or decoupling between the arithmetic unit and counter arrangement electrically, electromagnetically, inductively, capacitively, optically or mechanically or a combination thereof becomes.
  • the respective volume meter is operated autonomously, by means of its own energy supply, and supplied with electrical energy, for example, by means of an accumulator arrangement and / or solar cell arrangement and / or wind rotor with generator or a combination thereof.
  • the respective volume meter is supplied by wire and / or wireless (wireless) with electrical energy by an external energy source, in particular by using a ferrite antenna or a power receiving device with ferrite antenna.
  • the measured values of the various volume meters are evaluated and, based on the supplied or transmitted sensor information, a statement is made as to which volume flow is currently flowing or which volume meter flows through which volume flow and / or medium.
  • a computer program for execution on a correspondingly equipped data processing device having the features of the method according to the invention leads to a preferred embodiment of the system according to the invention.
  • Fig. 1 shows an exemplary system for determining and monitoring of
  • FIG. 2 used in the system of FIG. 1 exemplified trained
  • FIG. 1 shows an exemplary system for determining and monitoring volume flows in a water supply operation and / or water supply network.
  • the aforementioned system comprises a data processing device 12 with processing unit 12a, data output 12b and data input device 12c, a receiving device with antenna 14 and a plurality of counter network forming volume meter 10, which are spatially distributed in the respective supply operation and / or in the respective supply network.
  • the volume meter 10 of the meter network each comprise a sensor arrangement 16 and a transmission unit 18, wherein by means of the sensor arrangement 16 at least a predeterminable specific characteristic of the flowable through the respective volume meter 10 medium can be monitored and / or detected and wherein in cooperation of transmission unit 18, receiving means 14 and Data processing device 12 spatially resolved detection and transmission of the measured values of the respective volume meter 10 to the at least one Data processing device 12 for further processing feasible and / or effected.
  • a location-accurate determination of the respective volume flow is thus made possible without additional introduction of additional sensors in the supply network and / or the respective supply operation and without further cabling, wherein by analysis and evaluation of the respectively by the volume meter 10, in addition to the actual volume measurement, detected or capturing parameter, in particular in conjunction of several volume meter 10 or related parameters, statements about which are possible where which flow is to be found or occurs in the respective network or operation.
  • knowing the respective network structure or its structure, in particular cross section of the lines, line length, valve positions, bypasses, branches and flow rate, that is flow rate per time also forward-looking statements or predictions about what volume flow or what volume at a given time and / or will be found within a certain time window.
  • valve positions, bypasses and the like for example, in cooperation with particular subordinate control / regulating devices, in particular one or more PLC with central or higher-level control system, the respective utility and / or the respective supply network, also online and / or in real time, determined ,
  • volume meter 10 the at least one characteristic of the organized in the composite volume meter nor a determination as to which medium, such as gas, water, oil but also other chemicals, just through the respective volume meter flows or is located at which point of the respective supply network.
  • a wireless communication connection is established, so that a wireless communication network or radio network is formed in conjunction of all the composite volume meter 10.
  • this may be a WLAN (Wireless Local Area Network), Bluetooth or other types of radio connection.
  • a fieldbus connection such as ControlNet, Ethernet, Profibus or Profinet, Modbus, MBus, XBus or CAN or CANopen and the like are basically possible.
  • the receiving device 14 is at least partially integrabel in the data processing device 12, wherein the antenna 20 is formed separately or separated in the example shown here, in particular to increase the reception and transmission power.
  • the transmission unit 18 of the respective volumeter 10 is adapted to carry out an on-line acquisition and / or transmission of real-time measured values of the volumeter 10 and in particular of the sensor arrangement 16 cyclically and / or in real time, the respective sampling cycle of the transmission unit 14 being freely determinable and / or can be changed online via remote access via radio.
  • the retrieval / retrieval of the respective information / measured values can be carried out on request, as well as cyclically initiated by the data processing device 12 and / or initiated by the respective transmission unit 18.
  • An event-controlled information call or retrieval for example in the case of a fault, can also be advantageously provided.
  • the data processing device 12 may comprise a data memory 12d for storing the transmitted information.
  • volume meter 10 and / or the transfer unit is advantageously also a determination of mean flow rates, averaging and flow rates and / or further statistical evaluations and analyzes feasible.
  • a non-volatile data memory 18b can be provided in the transmission unit 18, which, for example, carries out or effects intermediate storage of measured values and / or mean values to be transmitted cyclically.
  • An exemplary trained volume meter 10 which can be used according to the system is shown in a sectional view in FIG. 2 and designed as a multi-jet impeller water meter.
  • This volume meter 10 has an electronic arithmetic unit 24, which is arranged in a cup-shaped computing unit insert housing 26 and in which the transmission unit 18 is integrated.
  • the transmission unit 18 is included preferably modular, for example in the form of a plug-in module, which can be inserted or inserted into a corresponding receptacle of the calculating unit 24 or the volume meter 10.
  • a volume measuring device with a counter arrangement with a trained as a cup measuring insert housing 28 with inflows 22a and a drain 22b, in which a trained as impeller 30 measuring body 27 is rotatably arranged.
  • the cup-shaped measuring insert housing 28 has a cup bottom, in which in a first bearing 26a, a first end 29a of the impeller 24 carrying impeller shaft 29 is rotatably mounted. Furthermore, a first bearing plate 32 is provided with a second bearing 26b in which a second end 29b of the impeller shaft 28 is rotatably supported and which bearing plate 32 limits the measuring insert housing 28 upwardly and encloses the actual measuring space 31 together with the measuring insert housing 28. On the measuring insert housing 28, the first bearing plate 32 and the calculator insert housing 26 are based.
  • the volume measuring device furthermore has a counter arrangement 34, in particular a pulse counter arrangement, with at least one pulse generator 34a with at least one transmitter element 35 and at least one pulse sensor 34b, wherein the at least one pulse generator 34a is in operative connection with the impeller shaft 29, in particular fixedly or rigidly with this and or the impeller 30 is connected, and cooperates with the at least one pulse sensor 34 b.
  • the pulse generator 34a in the vicinity of the first bearing plate 32 is fixedly connected to the impeller 30.
  • the surface normal of the pulse generator 34a is aligned parallel to the impeller shaft 29.
  • the first bearing plate 32 has a sealing ring 33 for sealing against the calculator insert housing 36.
  • a volumeter housing 38 which accommodates the volume measuring device and at least partially the arithmetic unit housing 36 and on which the measuring insert housing 28 is supported.
  • the volume meter housing 38 has in each case an inlet and outlet connection option 40a, 40b on or in a corresponding conduit system, wherein on the supply side, a particulate filter 42nd is integrated.
  • a head screw with lid is provided by which arithmetic insert housing 36 with internals, first bearing plate 32, measuring insert housing 28 with internals and volume meter housing 37 are fixed against each other and / or supported.
  • Pulse generator 34a and pulse sensor 34b of the pulse counter arrangement 34 are matched to one another and act in such a way that the pulse generator 24a in the pulse sensor 24b produces a pulse signal whose pulse duration corresponds to the time span which a transmitter element 35 spends in the sensor area.
  • the transmitter element 35 is formed from electrically conductive and / or reflective or highly reflective material, then the associated pulse sensor 24b can be designed correspondingly of an inductive or optical type, for example as an electromagnetic coil or coil arrangement or light source / photosensor combination.
  • the revolutions of the measuring element or measuring body 27 and thus of the pulse generator 24a, which has a metallic transmitter element 35, when passing through the sensor area cause a measurable change in an inductive threshold of the pulse sensor 24b designed as an electromagnetic coil and thus a volume-proportional pulse.
  • a sensor arrangement 16 which monitors and / or detects at least one predeterminable specific parameter of the respective medium flowing through and identifies the respective medium as a function of the characteristic.
  • the exemplary system shown in FIG. 1 comprises an interface 43, in particular a freely configurable interface, which, in cooperation with the data processing device 12, connects the system to lower-level control / regulating devices 13 of the respective supply operation and / or of the respective supply network, in particular of a water supply operation or water supply network causes, for example, to control / actuate Actuators, in particular sliders and / or pumps, and / or for controlling valves, in particular valves 44, for example for activating / switching by-passes and / or for purposeful control / regulation of the respective volume flow and / or its distribution.
  • an interface 43 in particular a freely configurable interface, which, in cooperation with the data processing device 12, connects the system to lower-level control / regulating devices 13 of the respective supply operation and / or of the respective supply network, in particular of a water supply operation or water supply network causes, for example, to control / actuate Actuators, in particular sliders and / or pumps, and / or for controlling valves, in
  • the respective sensor arrangement 16 comprises means, in particular two or more electrodes, for detecting and / or determining the electrical conductivity, the electrical resistance, the capacitance or the inductance or another physical variable of the medium flowing through the measuring space 31 or a combination thereof ,
  • characteristic values is further providable that selectively coupling or decoupling of counter assembly 34 and calculator 24 is effected and / or the coupling and / or decoupling is effected based on at least one predeterminable characteristic threshold value, wherein the coupling and / or decoupling of the arithmetic unit 24 and counter assembly 34 is controlled in particular electronically.
  • the volume meter 10 has its own power supply which also supplies the sensor arrangement 16 and the transmission unit 18 with electrical energy and is designed as an accumulator arrangement and / or solar cell arrangement and / or wind rotor with a generator or a combination thereof. However, this is not explicitly shown in the figure.
  • the volume meter 10 may be configured to allow wireless (wireless) power from an external power source.
  • the processing unit 12a By means of the processing unit 12a, the measured values of the various volume meters are evaluated and, based on the supplied or transmitted sensor information, in particular in synopsis, a statement is made as to which volume flow is currently or respectively which volume meter flows through which volume flow and / or medium. This statement can then be compared or adjusted with predetermined specifications. If the specifications and the actual state differ significantly, predetermined measures and / or actions, in particular rule-based, can be predetermined and / or specified by means of the data processing device for eliminating such differences and calculating the specifications.
  • the present invention also includes any combination of preferred embodiments or refinements, unless they are mutually exclusive.
  • Data processing device a Processing unit b Data input device c Data input device
  • Antenna of the receiving device a inflow b expiry
  • Impeller shaft a first end of impeller shaft b second end of impeller shaft

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measuring Volume Flow (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

L'invention concerne un système et un procédé destinés à la détermination et à la surveillance de débits volumiques dans des installations d'alimentation et/ou des réseaux d'alimentation, notamment des réseaux d'alimentation en eau et/ou des installations de ce type, au moyen d'au moins un dispositif de traitement de données (12), d'au moins un dispositif récepteur (14) et de plusieurs débitmètres, ces éléments étant répartis dans l'espace de l'installation d'alimentation et/ou du réseau d'alimentation respectif et comportant chacun au moins un dispositif de détection (16) et une unité de transmission (18). Le dispositif de détection (16) permet de saisir et/ou de surveiller au moins une caractéristique spécifique pouvant être prédéterminée du milieu s'écoulant dans le débitmètre (10) respectif. La coopération de l'unité de transmission (18), du dispositif récepteur (14) et du dispositif de traitement de données (12) permet d'exécuter et/ou d'induire la saisie et la transmission à résolution spatiale des valeurs de données du débitmètre (10) respectif au(x) dispositif(s) de traitement de données (12) à des fins de traitement.
PCT/EP2009/009326 2008-12-31 2009-12-30 Système et procédé destinés à la détermination et à la surveillance de débits volumiques WO2010076028A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP09806083A EP2370789A1 (fr) 2008-12-31 2009-12-30 Système et procédé destinés à la détermination et à la surveillance de débits volumiques
CN2009801535044A CN102272555A (zh) 2008-12-31 2009-12-30 用于确定并监测容积流量的系统和方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008063435.2 2008-12-31
DE200810063435 DE102008063435A1 (de) 2008-12-31 2008-12-31 System und Verfahren zur Bestimmung und Überwachung von Volumenströmen

Publications (1)

Publication Number Publication Date
WO2010076028A1 true WO2010076028A1 (fr) 2010-07-08

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EP (1) EP2370789A1 (fr)
CN (1) CN102272555A (fr)
DE (1) DE102008063435A1 (fr)
WO (1) WO2010076028A1 (fr)

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