EP3280948B1 - Valve and pressurized fluid tank - Google Patents
Valve and pressurized fluid tank Download PDFInfo
- Publication number
- EP3280948B1 EP3280948B1 EP16720881.8A EP16720881A EP3280948B1 EP 3280948 B1 EP3280948 B1 EP 3280948B1 EP 16720881 A EP16720881 A EP 16720881A EP 3280948 B1 EP3280948 B1 EP 3280948B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sensor
- tap
- control member
- pressure
- magnetic field
- 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.)
- Active
Links
- 239000012530 fluid Substances 0.000 title claims description 32
- 230000005291 magnetic effect Effects 0.000 claims description 75
- 238000001514 detection method Methods 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 18
- 238000011144 upstream manufacturing Methods 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 210000000056 organ Anatomy 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 230000036961 partial effect Effects 0.000 description 5
- 238000013500 data storage Methods 0.000 description 4
- 230000035484 reaction time Effects 0.000 description 3
- 230000003213 activating effect Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000012550 audit Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000007958 sleep Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Images
Classifications
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- 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
- F17C13/04—Arrangement or mounting of valves
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
-
- 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
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/058—Size portable (<30 l)
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0323—Valves
- F17C2205/0329—Valves manually actuated
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0338—Pressure regulators
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0382—Constructional details of valves, regulators
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0388—Arrangement of valves, regulators, filters
- F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
-
- 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
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/011—Oxygen
-
- 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
- F17C2250/03—Control means
- F17C2250/032—Control means using computers
-
- 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
- F17C2250/0478—Position or presence
-
- 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
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/04—Effects achieved by gas storage or gas handling using an independent energy source, e.g. battery
-
- 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
- F17C2270/00—Applications
- F17C2270/02—Applications for medical applications
- F17C2270/025—Breathing
Definitions
- the present invention relates to a valve for a fluid reservoir under pressure and a bottle comprising such a valve.
- the invention more particularly relates to a valve for a fluid reservoir under pressure
- a body housing a withdrawal circuit comprising an upstream first end intended to communicate a fluid storage volume under pressure and a second downstream end intended to be connected to an organ.
- the withdrawal circuit comprising a flow control member and / or the pressure of the fluid drawn between the upstream and downstream ends
- the valve comprising a manual control member of the regulating member, the organ control member being movably mounted relative to the valve body and cooperating with the regulating member to control the flow rate and / or the fluid pressure admitted to flow from the upstream end to the downstream end according to the position of the valve member.
- control relative to the body the valve comprising a device for detecting the position of the elec powered control device tripping, the valve comprising a power supply connected to said detection device.
- the invention relates in particular to an electrical or electronic system for detecting the position of a movable valve selector provided with a switch making it possible to allow or interrupt the power supply of at least a portion of the detection device by the power source according to the position of the controller.
- the switch can be used to allow or interrupt the power supply of other electrical components of the tap or connected to the tap.
- the document US3839662 describes a position detection device comprising a plurality of fixed discrete sensors cooperating with a plurality of mobile discrete elements (see also WO201216420A or WO2014053371A ).
- An object of the present invention is to overcome all or part of the disadvantages of the prior art noted above.
- the valve according to the invention is essentially characterized in that the detection device comprises a single discrete mobile magnetic element integral with the organ a first sensor and a second sensor mounted fixed on the body of the valve, the first sensor being a magnetic sensor electrically powered by the power source, the second sensor being configured to form with the control member a switch interrupting the power supply of the first sensor by the power supply when the control member is in at least a first predetermined position and allowing the power supply of the first sensor by the power supply when the organ in at least a second determined position.
- This structure makes it possible in particular to guarantee both a low power consumption, a reduced reaction time and a high detection accuracy.
- the invention also relates to a bottle of pressurized fluid comprising a valve according to any one of the above characteristics or hereafter.
- the faucet shown in figures 1 and 8 in particular conventionally comprises a body housing a withdrawal circuit 3 comprising an upstream first end 13 intended to communicate a fluid storage volume under pressure (inside the bottle 2) and a second downstream end 23 intended to be connected to an organ user of the gas withdrawn (for example oxygen for a patient, a ventilator, a mask or any other device).
- a withdrawal circuit 3 comprising an upstream first end 13 intended to communicate a fluid storage volume under pressure (inside the bottle 2) and a second downstream end 23 intended to be connected to an organ user of the gas withdrawn (for example oxygen for a patient, a ventilator, a mask or any other device).
- the withdrawal circuit 3 comprises a member 4 for regulating the flow rate and / or the pressure of the fluid drawn between the upstream and downstream ends 13.
- This regulating member 4 may comprise a flow and / or pressure regulator comprising, for example, For example, a valve, a system of calibrated orifices or any other suitable device.
- the valve 1 comprises a member 5 for manual control of the control member 4, that is to say a selector operable at least manually.
- control member 4 is mounted movably relative to the valve body 1, for example in rotation, and cooperates with the regulating member 4 to control the flow rate and / or the fluid pressure allowed to flow from the end 13 upstream to the downstream end 23 according to the position of the control member 5 relative to the body. That is to say that the position of the selector 5 modifies (mechanically and / or electrically and / or pneumatically and / or hydraulically) the regulation of the flow rate or of the gas pressure in the circuit imposed by the regulating member 4 .
- the valve 1 further comprises an electrical device 9 for detecting the position of the control member 5.
- the valve 1 comprises a supply source 7 connected to said detection device 9 (and possibly other electrical organs).
- the power source 7 comprising for example an electric battery.
- the detection device 9 comprises a single movable discrete magnetic element 12 integral with the control member 5 as well as a first sensor 15 and a second sensor 16 fixedly mounted on the valve body 1.
- the first sensor 15 is preferably a magnetic sensor electrically powered by the power source 7 or any other equivalent sensor.
- the second sensor 16 is itself configured structurally and / or functionally to form with the control member 5 a switch. This switch is configured to interrupt the power supply of the first sensor 15 by the power source 7 when the control member 5 is in at least a first predetermined position and allow the power supply of the first sensor 15 by the source 7 power supply when the control member 12 is in at least a second predetermined position.
- the second sensor 16 is preferably a magnetic sensor.
- the second sensor 16 comprises or consists of a magnetic actuated electrical switch.
- the first sensor 15 is a magnetic switch ("Reed Switch"), a flexible blade switch (“ILS”) or bimetallic or other suitable sensor.
- this first sensor 15 is a sensor of the AC011520 type from CELDUC.
- the switch via the second sensor 16 interrupts the power supply of the first sensor 15 when the control member 5 is in a closed position of the tap circuit (no flow downstream) and allows, on the contrary, the power supply when the control member 5 is in a position of opening the circuit (gas withdrawal and non-zero flow downstream).
- This simple and inexpensive structure allows a fast reaction time of the position detection of the selector 5 and also allows to reduce and control the power consumption of the detection device and more generally the valve.
- the switch and / or the first sensor can control the supply or activation of other electrical components of the valve according to the detected position of the control member 5.
- the magnetic element 12 carried by the control member 5 comprises or consists of a permanent magnet generating a magnetic field.
- the first sensor 15 is itself a magnetic sensor for measuring the magnetic field to determine the position of the control member 5 from a measured value of said magnetic field.
- the first sensor 15 is for example a magnetic sensor measuring at least one of: the angle of the magnetic field, the intensity of the magnetic field, the orientation of the magnetic field.
- the first sensor 15 detects the precise position of the control member 5 while the second sensor 16 constitutes a switch that controls the supply or not of the first sensor (and possibly other electrical devices) . That is to say that the power consumption of the device is reduced (first sensor put to sleep or switched off as well as other organs) in certain specific situations including: closed tap, empty bottle, ...
- the valve 1 preferably comprises an electronic member 17 for storing data storage and processing, in particular an integrated circuit and / or a microprocessor.
- the detection device 9 is connected to said electronic member or integrated therewith.
- the electronic member 17 may be configured to control the power supply or the interruption of the power supply of the first sensor 15 by the power supply source 7 as a function of a signal delivered by the second sensor 16 and / or a switching state of the second sensor 16.
- the first sensor 15 is preferably a magnetic sensor for measuring the angle of the magnetic field of the magnetic element 12 and converting the measured angle value into a signal, for example electrical, of a given intensity.
- this signal may include an electrical voltage.
- the electrical signal can be transmitted to the electronic storage acquisition and data processing member.
- control member 5 can be movable in a plurality of determined second distinct positions in which the values of the magnetic field angle of the measured magnetic element 12 are distinct and are converted into electrical signals of natures or colors. distinct intensities respectively. This makes it possible to measure and determine one position among others with a simple structure, few parts and reduced power consumption.
- the figure 3 illustrates, for example, a representative signal (ordinate representing for example a voltage value V in Volt) as a function of positions (twelve positions P on the abscissa).
- the control member 5 is for example rotatably mounted about an axis A of rotation on the valve body. That is to say that the control member is for example a rotary selector.
- this structure can be used to detect a position of a movable selector in translation or mobile according to other simple or complex movements.
- the magnetic element 12 comprises or consists of a bipolar magnet that is to say comprising a north pole (N) and a south pole (S), cf. figure 7 .
- N north pole
- S south pole
- the axis passing through the two poles and perpendicular to the two poles of the magnetic element 12 is not parallel to the axis of rotation of the control member 5.
- the Figures 4 to 6 illustrate two nonlimiting examples of integration of such a magnet 12 in a rotary selector.
- the magnet 12 can be fixed on the selector 5 in a cavity remote from the axis A of rotation.
- the figure 4 illustrates the magnet 12 in an adjacent position (opposite) of the second sensor 16 and in a first position relative to the first sensor 15.
- the position of the figure 4 can correspond for example a closed position of the valve (selector 5) in the closed position of the circuit.
- the selector 5 has been rotated about its axis A (for example 180 degrees)
- the magnet 12 is in a position relatively more distant from the second sensor 16 and in a second position relative to the first sensor 15.
- the magnet 12 and the two sensors 15, 16 are located for example respectively in separate parallel planes.
- the magnet 12 and on the other hand the two sensors 15, 16 are for example located respectively in two planes perpendicular to the axis A of rotation (for example vertical planes when the valve is in position vertical).
- the magnet 12 moves in a plane perpendicular to the axis A of rotation and does not contain the sensor (s) 15, 16.
- the sensor (s) 15, 16 and the magnet 12 may be located at the same distance from the axis A of rotation (or a different distance).
- the magnet 12 may have a different orientation relative to the axis A of rotation.
- the one or more sensors 15, 16 may be placed around the magnet (concentrically with respect to the axis A of rotation). That is to say that the magnet 12 moves in a plane perpendicular to the axis A of rotation and can contain the sensor or sensors 15, 16.
- the sensor or sensors 15, 16 and the magnet 12 can be located at different distances from the axis A of rotation.
- control member 5 is movable between a first so-called “closing” position in which the control member 5 has the regulating member 4 in a closure configuration of the first withdrawal circuit 3 and a plurality of second so-called “opening” positions in which the control member 5 has the regulating member 4 in respective opening configurations of the first withdrawal circuit 3 to allow fluid to flow from the upstream end 13 to the downstream end 23 with respective determined flow rates (or respective pressures).
- the magnetic field of the magnetic element 12 activates the second sensor 16 to preferably trigger the interruption of the power supply of the first sensor 15 by the source 7 d power supply.
- the control member 5 is in at least one of the second open positions (for example one of the selected non-zero flow rates)
- the magnetic field of the magnetic element 12 does not activate the second sensor 16 and allows power supply of the first sensor 15 by the power source 7.
- valve 1 may comprise an electronic device 6 indicating data (s) relative (s) fluid content in a bottle connected to the valve 1 such as an intelligent electronic manometer (see for example FR2868160A1 or FR2915798A1 ).
- an intelligent electronic manometer see for example FR2868160A1 or FR2915798A1 .
- the electronic indication device 6 comprises, for example, a data storage and data acquisition member 17 and at least one data display 8 connected to the data acquisition and data acquisition member 17.
- the position sensor 9 may be connected to the storage acquisition and data processing member 17 for transmitting thereto a signal representative of the flow rate and / or the fluid pressure imposed by the control member 4.
- the storage acquisition and data processing member 7 may be configured, in response to the reception of this flow rate and / or imposed pressure signal, to control the display on the display 8 of FIG. relative information of the flow rate and / or the fluid pressure imposed by the regulating member 4 and / or the mode of use of the valve.
- the storage acquisition and data processing unit 17 can be configured to calculate a quantity of remaining gas (autonomy in volume or in duration of use) from this measurement and / or a measurement of pressure within the bottle).
- the selector position sensor device and in particular the switch formed by the second sensor 16 can also selectively control the power supply of the display or adapt its display according to the detected position of the selector 5.
- the measurement frequency of the sensor or display can be changed automatically.
- the sampling frequency of the first 15 and / or the second sensor 16 can be decreased when the pressure is low (empty or almost empty bottle).
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Measuring Volume Flow (AREA)
Description
La présente invention concerne un robinet pour réservoir de fluide sous pression et une bouteille comportant un tel robinet.The present invention relates to a valve for a fluid reservoir under pressure and a bottle comprising such a valve.
L'invention concerne plus particulièrement un robinet pour réservoir de fluide sous pression comprenant un corps abritant un circuit de soutirage comprenant une première extrémité amont destinée à communiquer un volume de stockage de fluide sous pression et une seconde extrémité aval destinée à être raccordée à un organe utilisateur du gaz soutiré, le circuit de soutirage comprenant un organe de régulation du débit et/ou de la pression du fluide soutiré entre les extrémités amont et aval, le robinet comprenant un organe de commande manuelle de l'organe de régulation, l'organe de commande étant monté mobile relativement au corps du robinet et coopérant avec l'organe de régulation pour contrôler le débit et/ou la pression de fluide admis à circuler de l'extrémité amont vers l'extrémité aval selon la position de l'organe de commande par rapport au corps, le robinet comportant un dispositif de détection de la position de l'organe de commande alimenté électriquement, le robinet comprenant une source d'alimentation électrique reliée audit dispositif de détection.The invention more particularly relates to a valve for a fluid reservoir under pressure comprising a body housing a withdrawal circuit comprising an upstream first end intended to communicate a fluid storage volume under pressure and a second downstream end intended to be connected to an organ. user drawn gas, the withdrawal circuit comprising a flow control member and / or the pressure of the fluid drawn between the upstream and downstream ends, the valve comprising a manual control member of the regulating member, the organ control member being movably mounted relative to the valve body and cooperating with the regulating member to control the flow rate and / or the fluid pressure admitted to flow from the upstream end to the downstream end according to the position of the valve member. control relative to the body, the valve comprising a device for detecting the position of the elec powered control device tripping, the valve comprising a power supply connected to said detection device.
L'invention concerne notamment un système électrique ou électronique de détection de la position d'un sélecteur mobile de robinet muni d'un interrupteur permettant d'autoriser ou d'interrompre l'alimentation électrique d'au moins une partie du dispositif de détection par la source d'alimentation électrique en fonction de la position de l'organe de commande.The invention relates in particular to an electrical or electronic system for detecting the position of a movable valve selector provided with a switch making it possible to allow or interrupt the power supply of at least a portion of the detection device by the power source according to the position of the controller.
L'interrupteur peut être utilisé pour autoriser ou interrompre l'alimentation électrique d'autres organes électriques du robinet ou reliés au robinet.The switch can be used to allow or interrupt the power supply of other electrical components of the tap or connected to the tap.
Le document
Ces dispositifs connus présentent cependant des inconvénients parmi lesquels : une structure complexe ou coûteuse, une imprécision de mesure par exemple entre deux positions référencées, une consommation d'énergie excessive, un temps de réaction trop faible...These known devices, however, have drawbacks among which: a complex or expensive structure, inaccuracy of measurement for example between two referenced positions, excessive energy consumption, a reaction time too low ...
Un but de la présente invention est de pallier tout ou partie des inconvénients de l'art antérieur relevés ci-dessus.An object of the present invention is to overcome all or part of the disadvantages of the prior art noted above.
A cette fin, le robinet selon l'invention, par ailleurs conforme à la définition générique qu'en donne le préambule ci-dessus, est essentiellement caractérisé en ce que le dispositif de détection comprend un unique élément magnétique discret mobile solidaire de l'organe de commande ainsi qu'un premier capteur et un second capteur montés fixes sur le corps du robinet, le premier capteur étant un capteur magnétique alimenté électriquement par la source d'alimentation, le second capteur étant configuré pour former avec l'organe de commande un interrupteur interrompant l'alimentation électrique du premier capteur par la source d'alimentation électrique lorsque l'organe de commande est dans au moins une première position déterminée et autorisant l'alimentation électrique du premier capteur par la source d'alimentation électrique lorsque l'organe de commande est dans au moins un seconde position déterminée.To this end, the valve according to the invention, furthermore in conformity with the generic definition given in the preamble above, is essentially characterized in that the detection device comprises a single discrete mobile magnetic element integral with the organ a first sensor and a second sensor mounted fixed on the body of the valve, the first sensor being a magnetic sensor electrically powered by the power source, the second sensor being configured to form with the control member a switch interrupting the power supply of the first sensor by the power supply when the control member is in at least a first predetermined position and allowing the power supply of the first sensor by the power supply when the organ in at least a second determined position.
Cette structure permet notamment de garantir à la fois une consommation électrique faible, un temps de réaction réduit et une précision de détection importante.This structure makes it possible in particular to guarantee both a low power consumption, a reduced reaction time and a high detection accuracy.
Par ailleurs, des modes de réalisation de l'invention peuvent comporter l'une ou plusieurs des caractéristiques suivantes :
- l'élément magnétique comprend un aimant permanent générant un champ magnétique, le premier capteur étant un capteur magnétique de mesure du champ magnétique pour déterminer la position de l'organe de commande à partir d'une valeur mesurée dudit champ magnétique,
- le premier capteur est un capteur magnétique de mesure de l'un au moins parmi : l'angle du champ magnétique, l'intensité du champ magnétique, l'orientation du champ magnétique,
- le second capteur est un capteur magnétique,
- le second capteur comprend ou est constitué d'un interrupteur électrique à actionnement magnétique,
- le robinet comprend un organe électronique d'acquisition de stockage et de traitement de données, notamment un circuit intégré et/ou microprocesseur et en ce que le dispositif de détection est relié audit organe électronique et en ce que l'organe électronique est configuré pour commander l'alimentation électrique ou l'interruption de l'alimentation électrique du premier capteur par la source d'alimentation électrique en fonction d'un signal délivré par le second capteur et/ou d'un état de commutation du second capteur,
- le premier capteur est un capteur magnétique de mesure de l'angle du champ magnétique de l'élément magnétique et convertissant la valeur d'angle mesuré en un signal électrique d'intensité déterminée, par exemple une tension électrique, ledit signal électrique étant transmis à l'organe électronique d'acquisition de stockage et de traitement de données et en ce que l'organe (5) de commande est mobile dans une pluralité de secondes positions distinctes déterminées dans lesquelles les valeurs de l'angle du champ magnétique de l'élément magnétique mesurées sont distinctes et sont converties en des signaux électriques d'intensités distinctes respectives,
- l'organe de commande est monté mobile en rotation autour d'un axe de rotation sur le corps du robinet,
- l'élément magnétique comprend un aimant bipolaire c'est-à-dire comprenant un pole nord et un pôle sud, l'axe passant par les deux pôles de l'élément magnétique n'étant pas parallèle à l'axe de rotation de l'organe de commande,
- l'organe de commande est déplaçable entre une première position dite « de fermeture » dans laquelle l'organe de commande dispose l'organe de régulation dans une configuration de fermeture du premier circuit de soutirage et une pluralité de secondes positions dites « d'ouverture » dans lesquelles l'organe de commande dispose l'organe de régulation dans des configurations respectives d'ouverture du premier circuit de soutirage pour autoriser du fluide à circuler de l'extrémité amont vers l'extrémité aval avec un débit et/ou une pression déterminée, lorsque l'organe de commande est dans sa première position de fermeture, le champ magnétique de l'élément élément magnétique activant le second capteur pour déclencher l'interruption de l'alimentation électrique du premier capteur par la source d'alimentation électrique, lorsque l'organe de commande est dans l'une au moins des secondes positions d'ouverture, le champ magnétique de l'élément élément magnétique n'activant pas le second capteur et autorisant alimentation électrique du premier capteur par la source d'alimentation électrique
- le robinet comprend un dispositif électronique d'indication de donnée(s) relative(s) au contenu de fluide dans une bouteille raccordée au robinet, le dispositif électronique d'indication comprenant un organe d'acquisition de stockage et de traitement de données et au moins un afficheur de données relié à l'organe d'acquisition de stockage et de traitement de données, le capteur de position étant relié à l'organe d'acquisition de stockage et de traitement de données pour transmettre à ce dernier un signal représentatif du débit et/ou la pression de fluide imposé par l'organe de régulation, l'organe d'acquisition de stockage et de traitement de données étant configuré, en réponse à la réception de ce signal de débit et/ou de pression imposé, pour commander l'affichage sur l'afficheur d'une information relative du débit et/ou la pression de fluide imposé par l'organe de régulation et/ou du mode d'utilisation du robinet,
- le premier capteur est configuré pour réaliser des mesures de façon périodiques avec une fréquence variable contrôlée, notamment une première fréquence élevée dans un intervalle de temps consécutif à une détection d'un passage de l'organe de commande de la première position vers une seconde position et une seconde fréquence réduite inférieure à la première fréquence après un intervalle de temps déterminé et/ou lorsque la pression mesurée par un capteur de pression dans la bouteille détecte une pression inférieure à un seuil déterminé, c'est-à-dire que la mesure du premier capteur peut être cadencée différemment en fonction du temps et/ou de la situation : un temps de réponse rapide à l'ouverture du robinet, puis moins souvent (voir très peu souvent) lorsque la pression mesurée indique une bouteille vide par exemple,
- le dispositif de détection de la position de l'organe de commande comprend un unique élément détectable mobile constitué par l'élément magnétique et deux éléments de détection constitués par les premier et second capteurs,
- les premier et second capteurs sont disposés de façon adjacente et décalée selon une direction transversale à l'axe de rotation de l'organe de commande et/ou décalée selon une direction parallèle à l'axe de rotation de l'organe de commande et/ou décalée selon un angle de rotation par rapport à l'axe de rotation,
- l'axe passant par les deux pôles de l'élément magnétique est perpendiculaire à l'axe de rotation l'organe de commande,
- le robinet comporte un capteur de pression destiné à mesurer la pression au sein du volume de stockage d'une bouteille de fluide raccordée au robinet, le capteur de pression étant relié à l'organe d'acquisition de stockage et de traitement de données pour transmettre à ce dernier un signal représentatif de la pression de fluide mesurée, l'organe d'acquisition de stockage et de traitement de données étant configuré, en réponse à la réception de ce signal de pression, pour calculer et afficher sur l'afficheur une information d'autonomie ou de contenu de fluide restant,
- l'organe d'acquisition de stockage et de traitement de données est configuré pour calculer et afficher automatiquement une mise à jour de l'information d'autonomie ou de contenu de fluide à la réception d'un signal du capteur de position indiquant un changement débit et/ou la pression de fluide imposé par l'organe de régulation via l'organe de commande,
- the magnetic element comprises a permanent magnet generating a magnetic field, the first sensor being a magnetic sensor for measuring the magnetic field for determining the position of the control member from a measured value of said magnetic field,
- the first sensor is a magnetic sensor measuring at least one of: the angle of the magnetic field, the intensity of the magnetic field, the orientation of the magnetic field,
- the second sensor is a magnetic sensor,
- the second sensor comprises or consists of an electric switch with magnetic actuation,
- the valve comprises an electronic storage acquisition and data processing element, in particular an integrated circuit and / or microprocessor and in that the detection device is connected to said electronic element and in that the electronic element is configured to control the power supply or interrupting the power supply of the first sensor by the power supply source as a function of a signal delivered by the second sensor and / or a switching state of the second sensor,
- the first sensor is a magnetic sensor for measuring the magnetic field angle of the magnetic element and converting the measured angle value into an electrical signal of a given intensity, for example an electrical voltage, said electrical signal being transmitted to the electronic storage acquisition and data processing device and in that the control member (5) is movable in a plurality of determined second distinct positions in which the values of the magnetic field angle of the measured magnetic element are distinct and are converted into electrical signals of respective distinct intensities,
- the control member is rotatably mounted about an axis of rotation on the body of the valve,
- the magnetic element comprises a bipolar magnet, that is to say comprising a north pole and a south pole, the axis passing through the two poles of the magnetic element not being parallel to the axis of rotation of the magnet. control unit,
- the control member is movable between a first so-called "closing" position in which the control member has the regulating member in a closed configuration of the first draw-off circuit and a plurality of second "open" positions. In which the control member has the regulator in respective opening configurations of the first withdrawal circuit to allow fluid to flow from the upstream end to the downstream end with a flow rate and / or a pressure determined, when the control member is in its first closed position, the magnetic field of the magnetic element element activating the second sensor to trigger the interruption of the power supply of the first sensor by the power supply source, when the control member is in at least one of the second open positions, the magnetic field of the magnetic element element not activating the second sensor and allowing power supply of the first sensor by the power source
- the valve comprises an electronic data indicating device (s) relative to the fluid content in a bottle connected to the tap, the electronic indication device comprising a data storage and processing acquisition member, and at least one data display connected to the data acquisition and data acquisition member, the position sensor being connected to the data storage and processing acquisition member for transmitting to the latter a signal representative of flow rate and / or the fluid pressure imposed by the regulating member, the storage acquisition and data processing member being configured, in response to the reception of this flow rate and / or imposed pressure signal, for controlling the display on the display of relative information on the flow rate and / or the fluid pressure imposed by the regulating member and / or the mode of use of the tap,
- the first sensor is configured to perform measurements periodically with a controlled variable frequency, in particular a first high frequency in a time interval following a detection of a passage of the control member from the first position to a second position and a second reduced frequency lower than the first frequency after a determined time interval and / or when the pressure measured by a pressure sensor in the bottle detects a pressure below a determined threshold, i.e. the first sensor can be clocked differently depending on the time and / or situation: a fast response time when opening the tap, then less often (see very rarely) when the measured pressure indicates an empty bottle for example,
- the device for detecting the position of the control member comprises a single mobile detectable element constituted by the magnetic element and two detection elements constituted by the first and second sensors,
- the first and second sensors are disposed adjacent and offset in a direction transverse to the axis of rotation of the control member and / or offset in a direction parallel to the axis of rotation of the control member and / or offset at an angle of rotation relative to the axis of rotation,
- the axis passing through the two poles of the magnetic element is perpendicular to the axis of rotation of the control member,
- the valve comprises a pressure sensor for measuring the pressure within the storage volume of a fluid bottle connected to the valve, the pressure sensor being connected to the storage and data acquisition member for transmitting to the latter a signal representative of the measured fluid pressure, the storage acquisition and data processing member being configured, in response to the reception of this pressure signal, for calculating and displaying on the display a piece of information autonomy or fluid content remaining,
- the storage and data processing member is configured to automatically calculate and display an update of the range or fluid content information upon receipt of a position sensor signal indicating a change flow rate and / or the fluid pressure imposed by the regulator via the control member,
L'invention concerne également une bouteille de fluide sous pression comprend un robinet selon l'une quelconque des caractéristiques ci-dessus ou ci-après.The invention also relates to a bottle of pressurized fluid comprising a valve according to any one of the above characteristics or hereafter.
D'autres particularités et avantages apparaîtront à la lecture de la description ci-après, faite en référence aux figures dans lesquelles :
- la
figure 1 représente une vue de côté, schématique et partielle, illustrant un robinet monté sur une bouteille de gaz sous pression selon un exemple de réalisation possible de l'invention, - la
figure 2 illustre, de façon schématique et partielle, la structure et le fonctionnement d'une partie du robinet de lafigure 1 , en particulier un dispositif de détection de position d'un sélecteur, - la
figure 3 illustre, de façon schématique et partielle, un exemple de courbe de mesure d'un capteur du dispositif de détection de lafigure 2 en fonction de la position du sélecteur, - les
figures 4 et 5 représentent des vues en coupe verticale, schématiques et partielles, d'un détail d'un robinet illustrant respectivement deux positions d'un organe de commande mobile (sélecteur) muni d'un dispositif de détection de position selon un premier exemple de réalisation, - la
figure 6 représente une vue en coupe verticale similaire à celle de lafigure 4 illustrant un second exemple de réalisation, - la
figure 7 représente une vue de côté, schématique et partielle, illustrant un exemple possible d'aimant du dispositif de détection selon l'invention, - la
figure 8 illustre, de façon schématique et partielle, la structure et le fonctionnement d'une partie du robinet de lafigure 1 .
- the
figure 1 is a side view, schematic and partial, illustrating a valve mounted on a cylinder of pressurized gas according to a possible embodiment of the invention, - the
figure 2 illustrates, in a schematic and partial way, the structure and the functioning of a part of the tap of thefigure 1 , in particular a device for detecting the position of a selector, - the
figure 3 illustrates, schematically and partially, an example of a measurement curve of a sensor of the detection device of thefigure 2 depending on the position of the selector, - the
Figures 4 and 5 represent schematic and partial vertical sectional views of a detail of a tap illustrating respectively two positions of a movable control member (selector) provided with a position detection device according to a first exemplary embodiment, - the
figure 6 represents a vertical sectional view similar to that of thefigure 4 illustrating a second embodiment, - the
figure 7 represents a side view, schematic and partial, illustrating a possible example of a magnet of the detection device according to the invention, - the
figure 8 illustrates, in a schematic and partial way, the structure and the functioning of a part of the tap of thefigure 1 .
Le robinet illustré aux
Le circuit 3 de soutirage comprend un organe 4 de régulation du débit et/ou de la pression du fluide soutiré entre les extrémités amont 13 et aval 23. Cet organe 4 de régulation peut comprendre un régulateur de débit et/ou de pression comprenant, par exemple, une vanne un système d'orifices calibrés ou tout autre dispositif approprié.The
Le robinet 1 comprend un organe 5 de commande manuelle de l'organe 4 de régulation, c'est-à-dire un sélecteur actionnable au moins manuellement.The
Classiquement, l'organe 4 de commande est monté mobile relativement au corps du robinet 1, par exemple en rotation, et coopère avec l'organe 4 de régulation pour contrôler le débit et/ou la pression de fluide admis à circuler de l'extrémité 13 amont vers l'extrémité aval 23 selon la position de l'organe 5 de commande par rapport au corps. C'est-à-dire que la position du sélecteur 5 modifie (mécaniquement et/ou électriquement et/ou pneumatiquemnet et/ou hydrauliquement) le réglage du débit ou de la pression de gaz dans le circuit imposé par l'organe 4 de régulation.Conventionally, the control member 4 is mounted movably relative to the
Le robinet 1 comporte en outre un dispositif 9 électrique de détection de la position de l'organe 5 de commande. A cet effet, le robinet 1 comprend une source 7 d'alimentation reliée audit dispositif 9 de détection (et éventuellement d'autres organes électriques). La source 7 d'alimentation comprenant par exemple une pile électrique.The
Selon une caractéristique avantageuse, le dispositif 9 de détection comprend un unique élément 12 magnétique discret mobile solidaire de l'organe 5 de commande ainsi qu'un premier capteur 15 et un second capteur 16 montés fixes sur le corps du robinet 1.According to an advantageous characteristic, the detection device 9 comprises a single movable discrete
Le premier capteur 15 est de préférence un capteur magnétique alimenté électriquement par la source 7 d'alimentation ou tout autre capteur équivalent. Le second capteur 16 est quant à lui configuré structurellement et/ou fonctionnellement pour former avec l'organe 5 de commande un interrupteur. Cet interrupteur est configuré pour interrompre l'alimentation électrique du premier capteur 15 par la source 7 d'alimentation électrique lorsque l'organe 5 de commande est dans au moins une première position déterminée et autoriser l'alimentation électrique du premier capteur 15 par la source 7 d'alimentation électrique lorsque l'organe 12 de commande est dans au moins un seconde position déterminée. Le second capteur 16 est de préférence un capteur magnétique. Par exemple, le second capteur 16 comprend ou est constitué d'un interrupteur électrique à actionnement magnétique. Par exemple, le premier capteur 15 est un interrupteur magnétique (« Reed Switch »),un interrupteur à lame souple (« ILS ») ou bilame ou tout autre capteur approprié. Par exemple, ce premier capteur 15 est un capteur du type AC011520 de la société CELDUC.The
Par exemple, l'interrupteur (via le second capteur 16) coupe l'alimentation électrique du premier capteur 15 lorsque l'organe 5 de commande est dans une position de fermeture du circuit du robinet (débit nul en aval) et autorise au contraire l'alimentation électrique lorsque l'organe 5 de commande est dans une position de d'ouverture du circuit (soutirage de gaz et débit non nul en aval).For example, the switch (via the second sensor 16) interrupts the power supply of the
Cette structure simple et peu coûteuse permet un temps de réaction rapide de la détection de position du sélecteur 5 et permet en outre de réduire et maîtriser la consommation électrique du dispositif de détection et plus généralement du robinet.This simple and inexpensive structure allows a fast reaction time of the position detection of the selector 5 and also allows to reduce and control the power consumption of the detection device and more generally the valve.
A cet effet l'interrupteur et/ou le premier capteur peut commander l'alimentation ou l'activation d'autres organes électriques du robinet selon la position détectée de l'organe 5 de commande.For this purpose the switch and / or the first sensor can control the supply or activation of other electrical components of the valve according to the detected position of the control member 5.
De préférence, l'élément 12 magnétique porté par l'organe 5 de commande comprend ou est constitué d'un aimant permanent générant un champ magnétique. Le premier capteur 15 est quant à lui un capteur magnétique de mesure du champ magnétique pour déterminer la position de l'organe 5 de commande à partir d'une valeur mesurée dudit champ magnétique.Preferably, the
Le premier capteur 15 est par exemple un capteur magnétique de mesure de l'un au moins parmi : l'angle du champ magnétique, l'intensité du champ magnétique, l'orientation du champ magnétique.The
C'est-à-dire que le premier capteur 15 détecte la position précise de l'organe 5 de commande tandis que second capteur 16 constitue un interrupteur qui commande l'alimentation ou non du premier capteur (et éventuellement d'autres organes électriques). C'est-à-dire que la consommation électrique du dispositif est réduite (premier capteur mis en sommeil ou éteint ainsi que d'autres organes) dans certaines situations déterminées notamment : robinet fermé, bouteille vide, ...That is to say that the
Le robinet 1 comprend de préférence un organe 17 électronique d'acquisition de stockage et de traitement de données, notamment un circuit intégré et/ou un microprocesseur. Le dispositif 9 de détection est relié audit organe 17 électronique ou intégré à ce dernier. L'organe 17 électronique peut être configuré pour commander l'alimentation électrique ou l'interruption de l'alimentation électrique du premier capteur 15 par la source 7 d'alimentation électrique en fonction d'un signal délivré par le second capteur 16 et/ou d'un état de commutation du second capteur 16.The
Le premier capteur 15 est de préférence un capteur magnétique de mesure de l'angle du champ magnétique de l'élément 12 magnétique et convertissant la valeur d'angle mesuré en un signal par exemple électrique d'intensité déterminée.The
Par exemple, ce signal peut comprendre une tension électrique. Le signal électrique peut être transmis à l'organe 17 électronique d'acquisition de stockage et de traitement de données.For example, this signal may include an electrical voltage. The electrical signal can be transmitted to the electronic storage acquisition and data processing member.
Ainsi, l'organe 5 de commande peut être mobile dans une pluralité de secondes positions distinctes déterminées dans lesquelles les valeurs de l'angle du champ magnétique de l'élément 12 magnétique mesurées sont distinctes et sont converties en des signaux électriques de natures ou d'intensités distinctes respectives. Ceci permet de mesurer et déterminer une position parmi d'autres avec une structure simple, peu de pièces et une consommation électrique réduite.Thus, the control member 5 can be movable in a plurality of determined second distinct positions in which the values of the magnetic field angle of the measured
La
L'organe 5 de commande est par exemple monté mobile en rotation autour d'un axe A de rotation sur le corps du robinet. C'est-à-dire que l'organe de commande est par exemple un sélecteur rotatif. Bien entendu, cette structure peut être utilisée pour détecter une position d'un sélecteur mobile en translation ou mobile selon d'autres mouvements simples ou complexes.The control member 5 is for example rotatably mounted about an axis A of rotation on the valve body. That is to say that the control member is for example a rotary selector. Of course, this structure can be used to detect a position of a movable selector in translation or mobile according to other simple or complex movements.
Par exemple, l'élément 12 magnétique comprend ou est constitué d'un aimant bipolaire c'est-à-dire comprenant un pole nord (N) et un pôle sud (S), cf.
Les
Par exemple, l'aimant 12 se déplace dans un plan perpendiculaire à l'axe A de rotation et ne contenant pas le ou les capteurs 15, 16. Le ou les capteurs 15, 16 et l'aimant 12 peuvent être situés à une même distance de l'axe A de rotation (ou une distance différente).For example, the
Dans la variante de la
Une multitude de positionnements relatifs de l'aimant 12 et des capteurs sont bien entendu possibles.A multitude of relative positions of the
Par exemple, l'organe 5 de commande est déplaçable entre une première position dite « de fermeture » dans laquelle l'organe 5 de commande dispose l'organe 4 de régulation dans une configuration de fermeture du premier circuit 3 de soutirage et une pluralité de secondes positions dites « d'ouverture » dans lesquelles l'organe 5 de commande dispose l'organe 4 de régulation dans des configurations respectives d'ouverture du premier circuit 3 de soutirage pour autoriser du fluide à circuler de l'extrémité 13 amont vers l'extrémité aval 23 avec des débit déterminés respectifs (ou des pressions respectives).For example, the control member 5 is movable between a first so-called "closing" position in which the control member 5 has the regulating member 4 in a closure configuration of the
Lorsque l'organe 5 de commande est dans sa première position de fermeture, le champ magnétique de l'élément 12 magnétique active le second capteur 16 pour de préférence déclencher l'interruption de l'alimentation électrique du premier capteur 15 par la source 7 d'alimentation électrique. Lorsque l'organe 5 de commande est dans l'une au moins des secondes positions d'ouverture (par exemple un des débits non nul sélectionné), le champ magnétique de l'élément 12 magnétique n'active pas le second capteur 16 et autorise alimentation électrique du premier capteur 15 par la source 7 d'alimentation électrique.When the control member 5 is in its first closed position, the magnetic field of the
Comme illustré à la
Le dispositif 6 électronique d'indication comprend par exemple un organe 17 d'acquisition de stockage et de traitement de données et au moins un afficheur 8 de données relié à l'organe 17 d'acquisition de stockage et de traitement de données. Le capteur 9 de position peut être relié à l'organe 17 d'acquisition de stockage et de traitement de données pour transmettre à ce dernier un signal représentatif du débit et/ou la pression de fluide imposé par l'organe 4 de régulation. De plus, l'organe 7 d'acquisition de stockage et de traitement de données peut être configuré, en réponse à la réception de ce signal de débit et/ou de pression imposé, pour commander l'affichage sur l'afficheur 8 d'une information relative du débit et/ou la pression de fluide imposé par l'organe 4 de régulation et/ou du mode d'utilisation du robinet. De même l'organe 17 d'acquisition de stockage et de traitement de données peut être configuré pour calculer une quantité de gaz restante (autonomie en volume ou en durée d'utilisation) à partir ce cette mesure et/ou d'une mesure de pression au sein de la bouteille).The
Le dispositif de capteur de position du sélecteur et notamment l'interrupteur formé par le second capteur 16 peut également commander sélectivement l'alimentation électrique de l'afficheur ou adapter son affichage en fonction de la position détectée du sélecteur 5.The selector position sensor device and in particular the switch formed by the
De même, suivant la position détectée du sélecteur 5 tout ou partie du fonctionnement des organes d'interface (afficheur 8, capteurs...) peuvent être modifiés.Similarly, depending on the detected position of the selector 5 all or part of the operation of the interface members (
De même, lorsque la pression mesurée au sein de la bouteille 2 et/ou lorsque l'autonomie restante est en dessous d'un seuil (bouteille vide), la fréquence de mesure du ou des capteurs ou d'affichage peut être modifiée automatiquement. Notamment la fréquence d'échantillonnage du premier 15 et/ou du second capteur 16 peuvent être diminuées lorsque la pression est basse (bouteille vide ou presque vide).Similarly, when the pressure measured in the
Claims (15)
- Tap for a pressurised fluid tank comprising a body housing a bleed-off circuit (3) comprising an upstream first end (13) intended to communicate with a storage volume of pressurised fluid and a downstream second end (23) intended to be connected to a user member of the gas bled off, the bleed-off circuit (3) comprising a member (4) for regulating the flow rate and/or pressure of the fluid bled off between the upstream (13) and downstream (23) ends, the tap (1) comprising a member (5) for manually controlling the member (4) for regulating, the control member (5) being mounted movable with respect to the tap body (1) and cooperating with the member (4) for regulating in order to control the flow rate and/or the pressure of the fluid admitted for circulation from the upstream end (13) to the downstream end (23) according to the position of the control member (5) with respect to the body, the tap (1) comprising a device (9) for detecting the position of the control member (5) which is electrically powered, the tap (1) comprising a source (7) of electrical power connected to said detection device (9), characterised in that the detection device (9) comprises a single discrete magnetic element (12) that is movable and secured to the control member (5) as well as a first sensor (15) and a second sensor (16) fixedly mounted on the tap body, the first sensor (15) being a magnetic sensor electrically powered by the power supply (7), the second sensor (16) being configured to form with the control member (5) a switch that interrupts the electrical power of the first sensor (15) by the source (7) of electrical power when the control member (5) is in at least one first determined position and that enables the electrical power of the first sensor (15) by the source (7) of electrical power when the control member (12) is in at least one second determined position.
- Tap according to claim 1, characterised in that the magnetic element (12) comprises a permanent magnet generating a magnetic field and in that the first sensor (15) is a magnetic sensor for measuring the magnetic field in order to determine the position of the control member (5) from a measured value of said magnetic field.
- Tap according to claim 1 or 2, characterised in that the first sensor (15) is a magnetic sensor for measuring at least one from among: the angle of the magnetic field, the intensity of the magnetic field, the orientation of the magnetic field.
- Tap according to any of claims 1 to 3, characterised in that the second sensor (16) is a magnetic sensor.
- Tap according to any of claims 1 to 4, characterised in that the second sensor (16) comprises or is formed of a magnetically actuated electrical switch.
- Tap according to any of claims 1 to 5, characterised in that the tap (1) comprises an electronic member (17) for the acquisition, storage and processing of data, in particular an integrated circuit and/or microprocessor and in that the detection device (9) is connected to said electronic member (17) and in that the electronic member (17) is configured to control the electrical power or the interruption of the electrical power of the first sensor (15) by the source (7) of electrical power according to a signal delivered by the second sensor (16) and/or a switching state of the second sensor (16).
- Tap according to claims 6 and 3, characterised in that the first sensor (15) is a magnetic sensor for measuring the angle of the magnetic field of the magnetic element (12) and converting the angle value measured into an electrical signal of a determined intensity, for example an electrical voltage, said electrical signal being transmitted to the electronic member (17) for the acquisition, storage and processing of data and in that the control member (5) is movable in a plurality of second determined separate positions wherein the values of the angle of the magnetic field of the magnetic element (12) measured are separate and are converted into electrical signals of respective separate intensities.
- Tap according to any of claims 6 or 7, characterised in that the tap (1) comprises an electronic device (6) for indicating data relative to the content of fluid in a cylinder connected to the tap (1) the electronic device (6) for indicating comprising the member (17) for the acquisition, storage and processing of data and at least one data display (8) connected to the member (17) for the acquisition, storage and processing of data, and in that the position sensor (9) is connected to the member (17) for the acquisition, storage and processing of data in order to transmit to the latter a signal that is representative of the flow rate and/or the pressure of the fluid imposed by the member (4) for regulating, the member (7) for the acquisition, storage and processing of data being configured, in response to the reception of this signal of imposed flow rate and/or pressure, in order to control the displaying on the display (8) of an item of information relative to the flow rate and/or the pressure of the fluid imposed by the member (4) for regulating and/or of the usage mode of the tap.
- Tap according to any of claims 1 to 8, characterised in that the control member (5) is mounted movable in rotation about an axis (A) of rotation on the body of the tap (1).
- Tap according to claim 9, characterised in that the magnetic element (12) comprises a bipolar magnet, i.e. comprising a north pole (N) and a south pole (S) and in that the axis passing through the two poles of the magnetic element (12) is not parallel to the axis of rotation of the control member (5).
- Tap according to any of claims 1 to 10, characterised in that the movable magnetic element (12) is arranged in an offset manner on the control member with respect to the axis of rotation so as to be placed adjacently to the first (15) and/or to the second (16) sensor when the control member is an end position that corresponds to a minimum flow rate or pressure.
- Tap according to any of claims 1 to 11, characterised in that the control member (5) can be moved between a first position referred to as "closed" wherein the control member (5) placed the member (4) for regulating in a closed configuration of the first bleed-off circuit (3) and a plurality of second positions referred to as "open" wherein the control member (5) places the member (4) for regulating in respective configurations of opening of the first bleed-off circuit (3) in order to allow the fluid to circulate from the upstream end (13) to the downstream end (23) with a flow rate and/or a determined pressure and in that, when the control member (5) is in the first closed position thereof, the magnetic field of the magnetic element (12) activates the second sensor (16) in order to trigger the interruption of the electrical power supply of the first sensor (15) by the source (7) of electrical power, and in that when the control member (5) is in at least one of the second open positions, the magnetic field of the magnetic element (12) does not activate the second sensor (16) and enables the electrical power supply of the first sensor (15) by the electrical power supply (7).
- Tap according to any of claims 1 to 11, characterised in that the first sensor (15) is configured to take measurements periodically with a controlled variable frequency, in particular a first high frequency in an interval of time after a detection of a passage of the control member (5) from the first position to a second position and a second reduced frequency that is less than the first frequency after a determined interval of time and/or when the pressure measured by a pressure sensor in the cylinder detects a pressure less than a determined threshold, i.e. the measurement of the first sensor can be sequenced differently according to the time temps and/or the situation: a quick response time when the tap is opened, then less often when the pressure measured indicates an empty cylinder, for example.
- Tap according to any of claims 1 to 13, characterised in that the member (5) for manually controlling is movable in a plurality of separate positions that correspond to the respective separate flow rate and/or pressure settings imposed by the member (4) for regulating in the circuit.
- Pressurised fluid cylinder characterised in that it comprises a tap according to any one of claims 1 to 14.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1552954A FR3034837B1 (en) | 2015-04-07 | 2015-04-07 | PRESSURE FLUID VALVE AND TANK |
PCT/FR2016/050771 WO2016162625A1 (en) | 2015-04-07 | 2016-04-05 | Valve and pressurized fluid tank |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3280948A1 EP3280948A1 (en) | 2018-02-14 |
EP3280948B1 true EP3280948B1 (en) | 2019-02-20 |
Family
ID=53366116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16720881.8A Active EP3280948B1 (en) | 2015-04-07 | 2016-04-05 | Valve and pressurized fluid tank |
Country Status (4)
Country | Link |
---|---|
US (1) | US20180119887A1 (en) |
EP (1) | EP3280948B1 (en) |
FR (1) | FR3034837B1 (en) |
WO (1) | WO2016162625A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3058202B1 (en) * | 2016-11-03 | 2019-06-07 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | TAP FOR FLUID TANK AND BOTTLE COMPRISING SUCH FAUCET |
FR3075309B1 (en) | 2017-12-19 | 2020-01-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | PRESSURE TAP AND BOTTLE OF FLUID |
FR3075310B1 (en) * | 2017-12-19 | 2020-01-10 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | PRESSURE TAP AND BOTTLE OF FLUID |
FR3081040A1 (en) * | 2018-05-09 | 2019-11-15 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | PROTECTIVE COVER FOR A GAS DISTRIBUTION VALVE COMPRISING AN EXTRACTIBLE BATTERY MODULE |
FR3082915B1 (en) * | 2018-06-25 | 2022-01-14 | Clesse Ind | GAS SUPPLY REGULATOR |
GB2579173A (en) * | 2018-10-29 | 2020-06-17 | Linde Ag | A gas manifold block assembly |
CN112539870A (en) * | 2019-09-23 | 2021-03-23 | 克莱斯工业公司 | Gas supply regulator |
IT202000014632A1 (en) * | 2020-06-18 | 2021-12-18 | Cavagna Group Spa | VALVE GROUP FOR PRESSURE VESSELS |
WO2023156961A1 (en) * | 2022-02-17 | 2023-08-24 | Cavagna Group S.P.A. | Method for controlling a monitoring unit for the residual supply time for the gas present in a pressurized container and valve configured so as to carry out the method |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3522596A (en) * | 1966-10-19 | 1970-08-04 | Rockwell Mfg Co | Position transmitter |
US3839662A (en) | 1973-05-08 | 1974-10-01 | Telemecanique Electrique | Motorized valve control |
AU2002232458B2 (en) * | 2000-11-17 | 2006-09-28 | Ino Therapeutics, Llc | Valve with handle including sensors and memory |
FR2868160B1 (en) | 2004-03-24 | 2007-09-28 | Taema Sa | SYSTEM FOR PROCESSING PRESSURE DATA IN A RESERVOIR |
FR2915798B1 (en) | 2007-05-03 | 2010-04-30 | Taema | METHOD FOR CONTROLLING AN ELECTRONIC MANOMETER AND CORRESPONDING MANOMETER |
US8322366B2 (en) * | 2008-05-05 | 2012-12-04 | Joseph Sullivan | Valve alarm |
CN101916920B (en) | 2010-08-06 | 2013-05-29 | 特富特科技(深圳)有限公司 | Wiring terminal of enameled wire |
US8550114B2 (en) * | 2010-10-04 | 2013-10-08 | Wilton Cahn Levine | Time remaining display assembly |
NZ724347A (en) * | 2011-01-06 | 2018-03-23 | Mallinckrodt Hospital Products Ip Ltd | Gas delivery device and system |
GB201109290D0 (en) * | 2011-06-02 | 2011-07-20 | Linde Ag | A flow apparatus and monitoring system relating thereto |
GB2506447B (en) * | 2012-10-01 | 2018-05-09 | Linde Ag | A flow apparatus |
-
2015
- 2015-04-07 FR FR1552954A patent/FR3034837B1/en not_active Expired - Fee Related
-
2016
- 2016-04-05 US US15/564,811 patent/US20180119887A1/en not_active Abandoned
- 2016-04-05 EP EP16720881.8A patent/EP3280948B1/en active Active
- 2016-04-05 WO PCT/FR2016/050771 patent/WO2016162625A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
FR3034837B1 (en) | 2017-03-24 |
WO2016162625A1 (en) | 2016-10-13 |
EP3280948A1 (en) | 2018-02-14 |
US20180119887A1 (en) | 2018-05-03 |
FR3034837A1 (en) | 2016-10-14 |
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