• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A valve block (1) for a pressurized gas container (20) comprises an internal gas passage (2) fluidly connecting an inlet (10) to a gas outlet (11), a gas control system (3) arranged on the internal gas passage (2) for controlling and / or regulating the flow of gas flowing through said internal gas passage (2), a selection system and / or regulating the gas flow rate comprising a movable actuator (4) operable by the user and cooperating with the gas control system (3) to control and / or adjust the flow of gas exiting through the outlet orifice (11); ), an electronic control system (7, 7 ', 8) for controlling an actuator device (5), an actuator device (5) adapted to control the displacement of a movable mechanical member (6) in response to a control signal delivered by the electronic control system (7, 7 ', 8), and a mechanical member e (6) movable acting on the operating member (4) of the selection and / or gas flow control system, in response to an actuation by the actuator device (5), so as to block or release the mobile operating member (4). Gas distribution assembly comprising a gas container (20) equipped with a valve block (1) according to the invention, protected by a protective cowling arranged around at least a portion of said valve block (1).
    公开号:FR3025585A1
    申请号:FR1458444
    申请日:2014-09-09
    公开日:2016-03-11
    发明作者:Damien Germani；Christophe Rezel
    申请人:Air Liquide Medical Systems SA；
    IPC主号:
    专利说明:

    [0001] The invention relates to a valve block, with or without an integrated expansion system, for a pressurized gas container, such as a gas cylinder, equipped with an electronic control system making it possible to control an actuator device controlling the movements of a mechanical member movable so as to block or release the operating member, such as a rotary wheel or a pivoting lever, of the selection and / or gas flow control system.
    [0002] Medical gases and gas mixtures usually packaged in gas containers, such as gas cylinders, may have a number of stresses or properties that complicate their use. For example, an expiry time beyond which a gas or gaseous mixture must no longer be used, or external conditions making a gas or gaseous mixture unfit for medical use, for example the phenomenon of "disentangling" to Negative ambient temperature (ie <0 ° C) of the 02 / N20 mixtures. There are ways to prevent improper use of such a gas or gas mixture, such as labeling the containers or containers indicating the expiry date of the gas, or using a visual and / or audible indicator (s) indicating exposure of the gas container to predefined external conditions, for example negative temperatures. However, these means are limited to giving information to the user and their effectiveness is therefore subject to the attention of the user. In other words, a user who does not pay attention to the expiry date of a gas or a visual or audible indicator, takes the risk of administering a gas or gas mixture unsuitable for a patient, with all the risks and consequential consequences. In view of this, the problem is to prevent the use of a gas or gas mixture, the administration of which could put the patient at risk, said gas or mixture of gases being delivered by a valve block equipping a gas container, such as a gas cylinder.
    [0003] The solution of the invention is a valve block for a gas container, such as a gas cylinder, under pressure comprising: - an internal gas passage fluidly connecting an inlet orifice to a gas outlet orifice, 5 - a gas control system arranged on the internal gas passage, for controlling and / or regulating the flow of gas flowing in said internal gas passage, - a gas flow selection and / or control system comprising a mobile operating member operable by the user and cooperating with the gas control system to control and / or adjust the flow of gas out through the gas outlet, 10 - an electronic control system for controlling a device actuator, - an actuator device capable of controlling the displacement of a movable mechanical member in response to a control signal delivered by the electronic control system, and - a mobile mechanical member acting on the operating member of the gas flow selection and / or control system, in response to actuation by the actuator device, so as to block or release said movable actuator. Depending on the case, the valve block according to the invention may comprise one or more of the following technical characteristics: the internal passage of gas passes through the valve body. the gas inlet orifice is arranged on an expansion of the valve body which is fastened to the neck of the gas container, preferably a threaded expansion of cylindrical or frustoconical shape. the gas outlet orifice is carried by an outlet connection. the movable mechanical member is adapted to and designed to move between at least: a first position, called the locking position, wherein the mechanical member acts on the operating member to prevent any actuation of said actuator by the user and thus prevent any release or passage of gas,. a second position, called release position, in which the mechanical member disengages from the actuating member so as to allow actuation of the operating member by the user and a release or a passage of gas. The electronic control system comprises at least one electronic card. The electronic control system comprises at least one storage memory integrated in at least one electronic card. the electronic control system comprises at least one sensor associated with or integrated with at least one electronic card. The electronic card is designed to be able to interpret one or more measurements coming from the one or more sensors. - The electronic card includes an internal clock that blocks the electronic control system after a given expiry time. the electronic control system comprises several sensors. It comprises at least one power supply source electrically powering the electronic card, preferably one or more rechargeable batteries or not. - The actuator device is electrically connected to the electronic card. said at least one sensor is electrically connected to the electronic card. said at least one sensor is chosen from sensors for pressure, flow, temperature, presence (with non-contact detection), displacement (linear or angular), position (linear or angular), magnetic field, inertial type (eg accelerometer, inclinometers, gyroscopes ...), brightness, end of stroke or contact, strain gauges and potentiometers. the operating member is movable in rotation or pivoting, preferably it comprises a rotary flywheel or a pivoting lever. - The mechanical member is movable in translation, pivoting or rotation. the mechanical member is a rod, a pin or a pin. - The mechanical member is housed in a housing or against a stop carried by the rotary wheel or the lever of the selection system and / or gas flow control. It comprises an information storage device electrically connected to the electronic control system, preferably a storage memory. - It further comprises a pressure reduction system, for example a pressure reduction system comprising a relief valve and a valve seat. Said pressure reduction system is arranged on the internal gas passage, in particular between the inlet and outlet ports. - it further comprises at least one visual indicator of the locking position and the release position. The invention further relates to a gas distribution assembly comprising a gas container equipped with a valve block according to the invention.
    [0004] Depending on the case, the assembly according to the invention may comprise one or more of the following technical characteristics: the container is a gas cylinder. - The gas cylinder has a size between 10 and 150 cm. - the gas cylinder contains from 0.5 to 20 liters (capacity in water equivalent). The gas cylinder has a hollow cylindrical body. - The gas cylinder comprises a neck carrying a gas outlet port at which the valve block is fixed. the gas cylinder contains a gas or gas mixture chosen from oxygen, air, an N 2 O 2/2 mixture, an He / O 2 mixture, a NO / nitrogen mixture or any other gas or gaseous mixture. The bottle is made of steel, an aluminum alloy or a composite material or a combination of several of these materials. - The bottle contains a gas or gas mixture at a pressure up to about 350 bar. the valve block is protected by a protection cowling arranged around at least a portion of said valve block. - The valve block is protected by a protective cover comprising an attachment system for suspending or hanging the bottle / cowling / valve block assembly to a support, in particular a tubular support, for example a bed bar hospital, stretcher or the like.
    [0005] Furthermore, the invention relates to a use of an assembly according to the invention for storing or dispensing a gas or a gaseous mixture. Preferably, a gas or gas mixture is medical grade. In particular, the gas or gaseous mixture is selected from oxygen, air, and gas mixtures N20 / 02, He / 02 and NO / nitrogen. The invention will now be better understood by means of the following detailed description, given by way of illustration but without limitation, with reference to the attached figure which schematizes the operating principle of a valve block according to one embodiment of the invention. .
    [0006] More specifically, in the attached figure, there is shown a gas distribution assembly according to an embodiment comprising a valve block 1 and a gas container 20, namely here a gas cylinder containing a gas under pressure, for example a medical gas conditioned at a pressure of up to 300 bar, or more, particularly oxygen, an N 2 O 2/2 mixture, a He / O mixture, a NO / N 2 mixture or air. The body 1 'of the valve block 1 is fixed to the neck 21 of the gas bottle 20 by a threaded expansion 1, here of frustoconical shape, located at its base, which is inserted and screwed into the neck 21 of the bottle 20 In a conventional manner, an internal passage 2 of gas fluidly connects an inlet orifice 10, carried by the frustoconical threaded expansion 1, to an outlet orifice 11 of gas carried by an outlet connection 9 to which attach a gas line, for example a flexible conduit, or another device, such as a flow meter, a pressure reducer or other. This internal passage 2 of gas makes it possible to convey the gas between the bottle 20 and the outlet fitting 9. It can further be seen that a gas control system 3 is arranged on the internal passage 2 of gas, making it possible to control and / or to regulate the flow of gas flowing in the internal passage 2 of gas. Indeed, according to the chosen embodiment, the gas control system 3 can be designed to allow a release of the gas: - either all or nothing type, ie, open or closed, that is to say that the gas can be stopped or released without control of its flow. In this case, the operating member 4, preferably a flywheel or a lever, acts on a movable element to release the gas passage when a flow of gas is desired or, conversely, close the gas passage when no gas flow is desired. or with the possibility of adjusting the flow rate of gas passing through said gas control system 3 between several flow rate values (ie> 2) corresponding to several positions of a movable closure element, including a so-called "0" or "closed", in which the gas flow is zero and, in contrast, a maximum open position, wherein the released gas flow reaches a desired maximum flow rate, and several intermediate positions. Again, the flow control is via the operating member 4, preferably a steering wheel or a lever, which will act on a movable element arranged on the gas passage 2 to adjust the flow rate 30 between the different possible flow rate values .
    [0007] The system for selecting and / or regulating the gas flow thus comprises a movable operating member 4, namely a rotary flywheel in the attached figure, which can be actuated by the user and cooperates with the control system. gas control 3 for controlling and / or regulating the outgoing gas flow through the gas outlet port 11 carried by the outlet fitting 9.
    [0008] The valve block 1 further comprises an electronic control system 7, 7 ', 8 for controlling an actuator device 5 designed to control the displacement of a mobile mechanical member 6 in response to a control signal delivered by the control system. electronic control 7, 7 ', 8. The electronic control system 7, 7', 8 comprises an electronic card 8.
    [0009] In the proposed embodiment, at least one sensor 7, 7 ', for example a pressure sensor 7 or a flow sensor and / or a temperature sensor 7' or a position sensor, is connected to the electronic card 8 so as to recovering measurement signals from said sensor 7, 7 '. The actuator device 5 is also electrically connected to the electronic card 8. Of course, other types of suitable sensors could be used.
    [0010] A power supply 12, for example a rechargeable battery or not, a battery or a capacitor, supplies the electronic card 8 with electric current. The mechanical member 6 movable in translation or in rotation, such as a rod, a key or a pin or a pin, acts on the operating member 4, namely here the rotary wheel, in response to its actuation by the actuator device 5 in order to block or release the operating member 4. In the Figure, the operating member 4 is a rotatable flywheel arranged around the outlet fitting 9 carrying the gas outlet port 11 and located on the front face of the valve block 1. However, this embodiment is not exclusive and the outlet connector 9 and / or the actuator 4 could be arranged differently and / or at another place on the valve block 1 .
    [0011] In other words, the mechanical member 6 whose displacement is controlled by the actuating device 5, can move between at least two positions comprising an active position, in which it ensures a locking of the operating member 4 and therefore of the mobile element of the opening and / or flow control system, thus leading to the impossibility for the user to release the passage of the gas towards the gas outlet connection (s) 9, without 30 particular operation to be performed by the user or a maintenance operator.
    [0012] The valve block 1 may also include an information storage device electrically connected to the electronic control system 7, 7 ', 8, for example a storage memory containing one or more useful information, such as a gas expiry date. or maintenance of the valve block 1. Such information can also be used by the electronic card 8 to control the actuator device 5 and the mechanical member 6 to block the operating member 4 and therefore any release of the gas, for example when the expiry date is reached or exceeded. In general, the information or measurements coming from the sensor (s) 7, 7 'and / or from the storage memory are collected and processed by the electronic card 8 which will automatically control, in response to said information or measurements, the actuator device 5 which will act on the mechanical member 6 to block or, conversely, release the operating member 4 of the selection and / or gas flow control system and therefore, according to the case, allow or prohibit any release of gas by the block 1. This avoids a use of the gas from the bottle 20 when its administration could pose a risk to the patient, for example in case of outdated expiry date or in case of de-mixing of a N20 / 02 mixture due to an exposure of the bottle 20 to a too low temperature (<0 ° C), since these 'incidents' would be detected automatically by the electronic card 8 of the tap block 1 and that It would then immediately command a blockage of any rotation of the operating wheel 4 thus preventing any release of the gas. According to a particular embodiment, the valve block 1 is of RDI type, that is to say integrated pressure reducing valve, that is to say that it comprises a system for reducing the pressure of the gas, by For example, an expansion valve and valve seat system, arranged on the internal gas passage 2, between the inlet and outlet ports 11, so as to reduce the pressure of the high-pressure gas (for example a high pressure of the order of 200 to 300 bar) contained in the bottle 20 at a pressure of use or low pressure (for example a low pressure of the order of 1 to a few bars). The valve block 1 may also comprise a pressure indicating device 13, such as a manometer, giving the user a measurement of the gas pressure within the bottle 20. 30
    权利要求:
    Claims (16)
    [0001]
    REVENDICATIONS1. A valve block (1) for a pressurized gas container (20) comprising: - an internal gas passage (2) fluidly connecting an inlet (10) to a gas outlet (11); gas control (3) arranged on the internal gas passage (2), for controlling and / or regulating the flow of gas flowing in said internal gas passage (2), - a selection and / or adjustment system a gas flow comprising a user operable movable actuator (4) cooperating with the gas control system (3) for controlling and / or adjusting the flow of gas exiting through the outlet (11) of gas, - an electronic control system (7, 7 ', 8) for controlling an actuator device (5), - an actuator device (5) able to control the displacement of a mobile body (6) in response to a control signal delivered by the electronic control system (7, 7 ', 8), and - a mechanical member (6) movable acting on the operating member (4) of the gas flow selection and / or control system, in response to an actuation by the actuator device (5), so as to block or release the operating member (4) mobile.
    [0002]
    2. valve block according to the preceding claim, characterized in that the movable mechanical member (6) is adapted to and designed to move between at least:. a first position in which the mechanical member (6) acts on the operating member to prevent any actuation of said operating member (4) by the user, and. a second position in which the mechanical member (6) disengages from the operating member so as to allow actuation of the operating member by the user and a release of gas.
    [0003]
    Valve block according to one of the preceding claims, characterized in that the electronic control system (7, 7 ', 8) comprises at least one electronic card (8). 3025585 9
    [0004]
    4. valve block according to one of the preceding claims, characterized in that it comprises at least one power supply (12) electrically supplying the electronic card (8), preferably one or more rechargeable batteries or not. 5
    [0005]
    Valve block according to one of the preceding claims, characterized in that the actuator device (5) is electrically connected to the electronic card (8).
    [0006]
    Valve block according to one of the preceding claims, characterized in that the electronic control system (7, 7 ', 8) comprises at least one storage memory 10 integrated with at least one electronic card (8).
    [0007]
    Valve block according to one of Claims 1 to 5, characterized in that the electronic control system (7, 7 ',
    [0008]
    8) comprises at least one sensor (7, 7 ') associated with or integrated with at least one electronic card (8). Valve block according to one of the preceding claims, characterized in that actuator actuatable (4) by the user is rotatable or pivotable, preferably it comprises a rotary wheel or a pivoting lever. 20
    [0009]
    9. valve block according to one of the preceding claims, characterized in that the mechanical member (6) is movable in translation, pivoting or rotation.
    [0010]
    10. Tap assembly according to one of the preceding claims, characterized in that the mechanical member (6) is a rod, a pin or a pin. 25
    [0011]
    11. valve block according to one of the preceding claims, characterized in that the mechanical member (6) is housed in a housing or against a stop carried by the rotary wheel or the lever of the selection and / or adjustment system the gas flow (4). 3025585 10
    [0012]
    Valve block according to one of the preceding claims, characterized in that it comprises an information storage device electrically connected to the electronic control system (7, 7 ', 8), preferably a storage memory. 5
    [0013]
    13. valve block according to one of the preceding claims, characterized in that it further comprises a pressure reduction system arranged on the internal gas passage.
    [0014]
    Valve block according to one of the preceding claims, characterized in that it comprises a pressure reduction system comprising an expansion valve and a valve seat.
    [0015]
    15. A gas distribution assembly comprising a gas container (20) equipped with a valve block (1) according to one of the preceding claims, preferably said valve block (1) is protected by a protective cover arranged around d at least a part of said valve block (1). 15
    [0016]
    16. Use of an assembly according to claim 15 for storing or dispensing a gas or a gas mixture, in particular a gas or gas mixture selected from oxygen, air, and gaseous mixtures N20 / 02, He / 02 and NO / nitrogen.
    类似技术:
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    同族专利:
    公开号 | 公开日
    EP3191764A1|2017-07-19|
    CN107076362A|2017-08-18|
    FR3025585B1|2016-09-09|
    WO2016038273A1|2016-03-17|
    US20180231186A1|2018-08-16|
    CA2960084A1|2016-03-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    法律状态:
    2015-09-22| PLFP| Fee payment|Year of fee payment: 2 |
    2016-03-11| PLSC| Search report ready|Effective date: 20160311 |
    2016-09-21| PLFP| Fee payment|Year of fee payment: 3 |
    2017-09-28| PLFP| Fee payment|Year of fee payment: 4 |
    2018-09-24| PLFP| Fee payment|Year of fee payment: 5 |
    2020-10-16| ST| Notification of lapse|Effective date: 20200910 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1458444A|FR3025585B1|2014-09-09|2014-09-09|BLOCK TAP FOR GAS CONTAINER WITH IMPROVED USE SAFETY|FR1458444A| FR3025585B1|2014-09-09|2014-09-09|BLOCK TAP FOR GAS CONTAINER WITH IMPROVED USE SAFETY|
    PCT/FR2015/052279| WO2016038273A1|2014-09-09|2015-08-27|Valve block for gas cylinder with improved usage safety|
    CN201580047912.7A| CN107076362A|2014-09-09|2015-08-27|The valve block for cylinder with improved safety in utilization|
    US15/509,261| US20180231186A1|2014-09-09|2015-08-27|Valve block for gas cylinder with improved usage safety|
    EP15771171.4A| EP3191764A1|2014-09-09|2015-08-27|Valve block for gas cylinder with improved usage safety|
    CA2960084A| CA2960084A1|2014-09-09|2015-08-27|Valve block for gas cylinder with improved usage safety|
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