EP2153110A1 - Procédé de pilotage d'un manomètre électronique et manomètre correspondant - Google Patents
Procédé de pilotage d'un manomètre électronique et manomètre correspondantInfo
- Publication number
- EP2153110A1 EP2153110A1 EP08788063A EP08788063A EP2153110A1 EP 2153110 A1 EP2153110 A1 EP 2153110A1 EP 08788063 A EP08788063 A EP 08788063A EP 08788063 A EP08788063 A EP 08788063A EP 2153110 A1 EP2153110 A1 EP 2153110A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pressure
- measured
- state
- manometer
- operating
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000004891 communication Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000012986 modification Methods 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/0439—Temperature
Definitions
- the present invention relates to a method for controlling an electronic manometer and a corresponding pressure gauge.
- the invention more particularly relates to a method for controlling an electronic pressure gauge for measuring the pressure inside a container, in particular a pressurized gas bottle, said manometer comprising at least one pressure sensor, an electronic unit configured for acquiring, storing and processing data and at least one information device capable of transmitting at least one piece of information.
- WO01 / 6934 A1 describes a method for controlling the contents of a liquefied gas cylinder (propane type) only when it is used via a pressure sensor associated with an electronic system to signal the remaining product level as a function of pressure measurements. compared to predefined thresholds.
- An object of the present invention is to overcome all or part of the disadvantages of the prior art noted above.
- the method according to the invention is essentially characterized in that it comprises:
- the modification step being carried out following the detection of a switchover from a first operating state to a second operating state, ie when the pressure values measured during the first operating state and pre-established reference pressure threshold values correspond to the second operating state and the second operating state is the next in the time cycle.
- the invention also relates to an electronic manometer for measuring the pressure inside a container, in particular a pressurized gas bottle, comprising at least one pressure sensor, an electronic unit configured for the acquisition, storage and the data processing, at least one information device capable of transmitting at least one piece of information, the electronic data processing unit being shaped to receive the pressure values measured by the pressure sensor and having a logic for comparing the values measured pressure and pressure variation measured with preset reference values respectively stored or stored, the electronic data processing unit storing at least two operating states of the container respectively representative of a filling state when the pressure variation is positive and of a state of withdrawal (negative pressure variation), in unction of the measured pressure values and the pressure variation measured with respect to the preset reference values of pressure and pressure variation, and that the unit
- the electronic data processing system is configured to automatically modify the operation and / or the nature of the information transmitted by the manometer as a function of the operating state of the container determined in real time from the measured values of pressure and pressure variation.
- embodiments of the invention may include one or more of the following features:
- the predefined operating states are linked chronologically according to a closed-loop chronological cycle; the succession of the predefined operating states in closed loop operates in a single direction of unwinding,
- the method comprises at least two, and preferably at least three predefined operating states
- the method comprises three operating states predefined by three distinct values of reference pressure threshold,
- the electronic unit automatically switches the pressure gauge into a so-called "use" operating state during which the manometer performs at least one of the following operating steps:
- the pressure gauge carries out a regular calculation, at a first calculation frequency, of a remaining gas remaining time from the measured pressure variation, when, during the so-called “use” operating state, the pressure variation is zero during a determined period of time, the electronic unit defines a "non-use or non-flow" operating state during which the manometer performs at least one of the following operating steps: * regular acquisition of the values measured by the pressure sensor at time intervals separated by a second acquisition frequency,
- the electronic unit detects or defines a so-called "filling" state of operation during which the pressure gauge carries out at least one of the steps of following operation:
- the electronic manometer comprises a clean power supply independent of a wired network and in that it comprises a step of measuring and displaying or transmitting the operating state of the power supply, the method comprises a step of comparing the operating state or the autonomy of the power supply with minimum conditions and, when the operating state or the autonomy of the power supply does not satisfy the minimum conditions, a step of automatic switching of the manometer in a "degraded" operating state in which the manometer performs at least one of the following operating steps:
- the electronic manometer comprises a port or a communication interface able to receive configuration data from the electronic unit and in that the method comprises a step of configuring the electronic unit to switch the manometer in a forced operating mode said "inactive" regardless of the measured values of pressure and possibly of pressure variation, in the inactive state the manometer interrupting at least one of the following steps:
- the electronic manometer comprises a port or a communication interface capable of receiving configuration data from the electronic unit, the method comprising a step of comparing the current operating mode of the container with a plurality of predefined operating modes and in that it includes a step of authorizing a configuration change of the electronic unit only when the operating mode corresponds to one or more predefined operating modes allowing such a configuration change,
- the electronic manometer comprises a gas temperature sensor inside a container and / or the ambient temperature close to the manometer the method comprises a step of displaying and / or transmitting the measured temperature value at a fourth transmission frequency
- the method comprises a step of calculating a volume of gas autonomy in the container from the measured pressure, the calculated range volume being corrected as a function of the measured temperature,
- the method comprises a step of measuring or calculating the measured pressure variation and a step of comparing the current pressure variation with predetermined reference values to determine the operating mode and / or automatically modifying the operating mode of the manometer and / or information transmitted by the pressure gauge according to the current pressure variation,
- the pressure gauge is switched to a so-called full cooling operating state in which the pressure gauge carries out one of several of the operating steps previously described,
- the information is transmitted by at least one of: a display screen, one or more indicator lights, a buzzer, a loudspeaker, one or more radio transmitters, the first acquisition frequency is greater than or equal to or less than the second acquisition frequency,
- the first calculation frequency is greater than or less than or equal to or greater than the second calculation frequency
- the first transmission frequency is greater than or equal to or less than the second transmission frequency
- the third transmission frequency is greater than or equal to or less than the first transmission frequency
- the energy source comprises at least one of: a battery, an electric accumulator, a photovoltaic cell, a current system by induction, the electronic unit automatically switches the pressure gauge from the operating state to the empty or filling state when the measured pressure becomes lower than the first low threshold,
- the electronic unit automatically switches the pressure gauge from the filling state to the cooling state when the measured pressure becomes greater than the second high threshold
- the manometer may comprise a recognition system of a user or user type (eg identifier with user type or level of access among several types or predefined levels) the pressure gauge allowing configuration and / or use changes depending on the user or the type of user transmitting control data, - the nature of the configuration may be conditioned to one or more identifiers and / or to one or more predefined types of users (for example a level of access or authorization allow or not the modification of one or more parameters),
- a recognition system of a user or user type eg identifier with user type or level of access among several types or predefined levels
- the pressure gauge allowing configuration and / or use changes depending on the user or the type of user transmitting control data, - the nature of the configuration may be conditioned to one or more identifiers and / or to one or more predefined types of users (for example a level of access or authorization allow or not the modification of one or more parameters),
- each user of the parameterization can have an own identifier with an access level, - the following access levels can be envisaged: manufacturer of the pressure gauge, gauge of the manometer on container, gas, operator of maintenance, operator (center) of filling , logistics operator, manometer user,
- the electronic unit records the identifier of a user including having made a configuration change.
- FIG. 1 represents a schematic and partial view illustrating an exemplary structure and operation of an electronic manometer according to one possible embodiment of the invention
- FIGS. 2 and 3 show, respectively in the form of a graph and a closed curve, an example of a cycle of variation of pressure inside a gas cylinder during a complete cycle of use .
- the invention applies preferentially to gas cylinder taps with or without integrated expansion valves, industrial or medical type on which is mounted an electronic pressure measurement system (electronic manometer).
- the electronic manometer may comprise within the same housing:
- an electronic processing unit 44 microprocessor type for example
- a wireless power supply system 54 independent of an external network
- a battery such as a battery, an accumulator, a photovoltaic cell, an induction system or equivalent
- the manometer 1 may also comprise at least one of: one or more sensors 24 of temperature T, - a motion or displacement sensor, a brightness sensor or a sound sensor, one or more buttons (an interface of capture),
- the mode of operation of the manometer and / or the information supplied by the latter are automatically adapted to the current operating state detected in real time and compared with predefined operating modes.
- the predefined operating modes are based on a typical pressure variation cycle that the gauge is likely to measure during a typical use cycle of the container.
- the cycle of use of a gas cylinder can be represented symbolically according to a pressure curve ( Figure 2) or a pressure loop ( Figure 3). Starting for example from a full gas cylinder, it is possible to isolate a first zone A during which the bottle is for example in a "final" user.
- the pressure P measured by the sensor is between a first low threshold S1 and a first high threshold S2 (for example
- Figure 2 illustrates different types of pressure drops (a steady and continuous decline or several successive slopes). This may correspond to several different flow rates or levels representative of the withdrawal flow pauses.
- the pressure gauge comes out of this first state of use (at the end user or when it is purged at the factory before refilling for example) when the pressure measured by the gauge 1 drops below the first low threshold S1 order, for example, 10 bar or 5 bar).
- the manometer detects or defines a second state in which the bottle is called "empty" or being filled.
- zone B illustrates an empty bottle or almost, the pressure is then zero or almost.
- the bottle is, for example, either at the end user, transported or back to a filling station of a gas.
- zone C the bottle is being filled with compressed gas (positive pressure variation). Because of the compression there is heating of the gas during this operation (for understanding, this is simplified here in one line).
- the manometer detects the output of this second state (empty or during filling) when the measured pressure passes above a second high pressure threshold S3 (example: 210 bar). It should be noted that this second high threshold S3 is not necessarily the highest pressure reached during filling.
- a second high pressure threshold S3 is not necessarily the highest pressure reached during filling.
- the gas heated in the previous step will gradually return to room temperature. As the pressure is proportional to the temperature, the measured pressure P will slowly go down to the nominal pressure of use of the bottle.
- the apparatus exits the filling / cooling state when the pressure P returns below the first high threshold S2 (for example: 205 bar) .
- Cycle A to D can then start again.
- the manometer 1 can then detect with certainty the use (state) in progress and the type of user using the pressure vessel.
- the system can then adapt the data display and the manometer operation to the detected state.
- the pressure gauge can - display or automatically transmit specific information relevant to the current state - send warning signals or not depending on the data but also the operating status.
- the behavior of the pressure gauge and the information presented or transmitted to the user can thus adapt automatically depending on the context and use in progress, without human intervention by a button, a sensor or other actuator which increases the ergonomics of the system.
- buttons, sensors Besides, it is possible to simplify the design of the manometer, its cost and improve its sealing and reliability.
- the system thus proposes a definition of several operating states, the chronology between these states, the passage from one to the other and the detection of the present state of the container whose pressure is measured.
- the system also proposes an adaptation of the manometer behavior to the detected state.
- This system or method can be applied in a particular and different way to a multitude of industrial and medical applications.
- the electronic unit 44 can thus comprise stored parameters (re-parameterizable or not) defining different operating states and modes of operation / communications (also re-parametriable or not) specially adapted to these states.
- the pressure gauge 1 may comprise a port (radio) or a communication interface adapted to receive in particular data configuration / parameterization of the electronic unit.
- the electronic unit may include an "inactive" stored state in which the manometer provides minimal functions for minimal power consumption. In this inactive state, the display, the acquisition of the pressure data, the data transmission can be inhibited. This inactive state can be adopted for example via a communication interface or automatically when the state of the power supply appears insufficient.
- the time interval is shortened between two measurements or two operations performed by the manometer, it can be configured to turn off almost completely, only to reappear after a time interval (ten seconds for example).
- the device is almost off for about ten or ten seconds while it is only lit for a few tens of milliseconds each period of use.
- the electronic unit may comprise a stored state of "standby" in which the manometer is able to operate but is not withdrawn. This standby state can correspond to a "sub-state" of the zone A of use. In this state, the manometer is switched into an operating mode in which for example at least one of the following actions are performed: - the data display is activated,
- the acquisition of the measured pressure data P is carried out for example every 30 seconds, a display or wireless transmission of the remaining autonomy during the previous use (function of the pressure and the volume of the stored or parameterized bottle) )
- the acquisition of the measured temperature data T is carried out for example every 60 seconds; the state of the battery is checked periodically at intervals of less than 24 hours.
- the electronic unit may have a stored state of "use" (area A above when the pressure decreases).
- This state can correspond to a second sub-state of the zone A of use.
- the manometer is in an operating mode in which, for example, at least one of the following actions is performed: the data display is activated, there is wireless data transmission (pressure, autonomy %), for example every minute, - it is not possible to change the stored settings (re-parameterization),
- the acquisition of the measured pressure data P is carried out for example every 10 seconds
- a calculation of the remaining autonomy (function of the pressure and the stored or set volume of the bottle) is carried out every 10 to 30 seconds and communicated (displayed or sent wireless), the acquisition of the measured temperature data T is performed for example every 60 seconds or less, the condition of the battery is checked periodically at intervals of less than 24 hours.
- the electronic unit may also include a stored state of "filling" (zone C above when the pressure increases) in which, for example, at least one of the following actions is performed: - the data display is activated, there is wireless transmission of data (pressure, autonomy %), for example every minute, modification of the settings stored (re-parameterization) is possible,
- the acquisition of the measured pressure data P is carried out for example every 10 seconds
- the acquisition of the measured temperature data T is carried out for example every 60 seconds or less, the state of the battery is checked periodically at intervals of less than 24 hours.
- the system can define three linked states in a loop:
- the state A of use can itself be decomposed in two "under states":
- the system can define and detect another state independent of the cycle: a state of standby corresponding for example to a storage state (manometer stopped or disassembled for example).
- the system can define and detect yet another state independent of the so-called "degraded" cycle.
- the invention is in no way limited to the examples described above.
- the parameters, information transmitted, states and modes of operation can be adapted and modified according to all the possible combinations according to the needs of an application.
- the invention relates to a pressure gauge comprising elements for implementing all or part of the functions or steps described above.
- the manometer can also be used in particular for measuring the pressure in a line of a gas network or on removable pressure reducers.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Measuring Fluid Pressure (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0754840A FR2915798B1 (fr) | 2007-05-03 | 2007-05-03 | Procede de pilotage d'un manometre electronique et manometre correspondant |
PCT/FR2008/050537 WO2008139075A1 (fr) | 2007-05-03 | 2008-03-27 | Procédé de pilotage d'un manomètre électronique et manomètre correspondant |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2153110A1 true EP2153110A1 (fr) | 2010-02-17 |
EP2153110B1 EP2153110B1 (fr) | 2011-01-26 |
Family
ID=38510358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08788063A Not-in-force EP2153110B1 (fr) | 2007-05-03 | 2008-03-27 | Procédé de pilotage d'un manomètre électronique et manomètre correspondant |
Country Status (7)
Country | Link |
---|---|
US (1) | US8047079B2 (fr) |
EP (1) | EP2153110B1 (fr) |
AT (1) | ATE497123T1 (fr) |
DE (1) | DE602008004767D1 (fr) |
ES (1) | ES2360269T3 (fr) |
FR (1) | FR2915798B1 (fr) |
WO (1) | WO2008139075A1 (fr) |
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FR2915801B1 (fr) | 2007-05-03 | 2009-07-17 | Taema Sa | Procede de controle d'un lot homogene de bouteilles de fluide sous pression |
FR2915798B1 (fr) | 2007-05-03 | 2010-04-30 | Taema | Procede de pilotage d'un manometre electronique et manometre correspondant |
FR2915799B1 (fr) | 2007-05-03 | 2010-10-01 | Taema | Manometre electronique de mesure de la pression regnant a l'interieur d'un recipient |
DE102011077832A1 (de) * | 2011-06-20 | 2012-12-20 | Hilti Aktiengesellschaft | Treibmittelbehälter für brennkraftbetriebene Bolzensetzgeräte |
US9816642B2 (en) | 2012-11-09 | 2017-11-14 | Praxair Technology, Inc. | Method and apparatus for controlling gas flow from cylinders |
US10151405B1 (en) | 2012-11-09 | 2018-12-11 | Praxair Technology, Inc. | Valve integrated pressure regulator with shroud and digital display for gas cylinders |
US9273799B2 (en) | 2012-11-09 | 2016-03-01 | Praxair Technology, Inc. | Method and apparatus for controlling gas flow from cylinders |
US9217684B2 (en) * | 2012-11-30 | 2015-12-22 | B/E Aerospace, Inc. | Oxygen system having sensors with a passive RFD interface |
EP2778439B1 (fr) | 2013-03-15 | 2020-07-01 | Ingersoll-Rand Industrial U.S., Inc. | Dispositif sans fil de surveillance pour la condition du gaz |
US9361768B2 (en) | 2013-08-15 | 2016-06-07 | Western/Scott Fetzer Company | Information gauge with analog backup |
US9373243B2 (en) * | 2014-01-03 | 2016-06-21 | Intwine Connect, Llc | Connected gateway for an abatement device processing raw data |
FR3016679B1 (fr) | 2014-01-22 | 2016-01-22 | Air Liquide | Robinet pour bouteille de fluide sous pression et bouteille correspondante |
FR3016678B1 (fr) | 2014-01-22 | 2016-07-22 | Air Liquide | Bouteille de fluide sous pression comprenant un dispositif electronique d'indication de donnees |
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-
2007
- 2007-05-03 FR FR0754840A patent/FR2915798B1/fr not_active Expired - Fee Related
-
2008
- 2008-03-27 US US12/597,864 patent/US8047079B2/en not_active Expired - Fee Related
- 2008-03-27 EP EP08788063A patent/EP2153110B1/fr not_active Not-in-force
- 2008-03-27 ES ES08788063T patent/ES2360269T3/es active Active
- 2008-03-27 WO PCT/FR2008/050537 patent/WO2008139075A1/fr active Application Filing
- 2008-03-27 DE DE602008004767T patent/DE602008004767D1/de active Active
- 2008-03-27 AT AT08788063T patent/ATE497123T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2008139075A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2153110B1 (fr) | 2011-01-26 |
WO2008139075A1 (fr) | 2008-11-20 |
FR2915798B1 (fr) | 2010-04-30 |
DE602008004767D1 (de) | 2011-03-10 |
US20100132474A1 (en) | 2010-06-03 |
FR2915798A1 (fr) | 2008-11-07 |
ES2360269T3 (es) | 2011-06-02 |
US8047079B2 (en) | 2011-11-01 |
ATE497123T1 (de) | 2011-02-15 |
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