EP0575261A1 - Monitoring system for fluid distribution to a user device - Google Patents

Monitoring system for fluid distribution to a user device Download PDF

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Publication number
EP0575261A1
EP0575261A1 EP19930401570 EP93401570A EP0575261A1 EP 0575261 A1 EP0575261 A1 EP 0575261A1 EP 19930401570 EP19930401570 EP 19930401570 EP 93401570 A EP93401570 A EP 93401570A EP 0575261 A1 EP0575261 A1 EP 0575261A1
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EP
European Patent Office
Prior art keywords
indicators
series
fluid
sensor
indicator
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Granted
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EP19930401570
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German (de)
French (fr)
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EP0575261B1 (en
Inventor
Gérard Lhomer
Gilbert Theurant
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Taema SA
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Taema SA
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8225—Position or extent of motion indicator
    • Y10T137/8242—Electrical
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8158—With indicator, register, recorder, alarm or inspection means
    • Y10T137/8326—Fluid pressure responsive indicator, recorder or alarm

Definitions

  • the present invention relates to systems for monitoring the distribution of at least one fluid to at least one user station, comprising at least one fluid distribution line provided with at least one sensor connected to at least one associated indicator.
  • Fluid distribution network operators have, for their own management, generally sophisticated monitoring systems displaying a large number of parameters relating to the fluid at various locations in the network. It is generally not the same in local autonomous networks nor, more generally, at the level of the end user. On the other hand, in certain applications, in particular in hospital or medical sites, several gaseous fluids are distributed to the same user stations where the user, for example the surgeon or the resuscitator, has an absolute need to be insured. of the correct supply, in pre-established standards of the fluid or fluids that it uses but without having to read necessarily and above all interpret unnecessary parameters.
  • the object of the present invention is therefore to propose a system for monitoring the local distribution of at least one fluid, typically a medical fluid, of simple but effective and reliable design, suitable for monitoring several fluids, of flexible and modular use. and ensuring the required security conditions.
  • the system comprises at least one indicator unit comprising at least two series of indicators, each series being associated with at least one sensor of a magnitude of a fluid in a line of distribution and comprising at least two threshold indicator lights of said quantity.
  • fluid is meant a fluid, more particularly a gas, circulating from a source of fluid but also vacuum (air depression) circulating towards a vacuum pump.
  • a medical gas production station is generally recognized in a protected enclosure, comprising in particular a storage tank for at least one gas, in this case a storage tank 1 for oxygen, bottles for storing another gas, in this case a station 2 for storing nitric oxide as well as, generally, a vacuum tank and a compressed air tank (not shown).
  • a storage tank for at least one gas
  • a station 1 for oxygen
  • a station 2 for storing nitric oxide
  • nitric oxide as well as, generally, a vacuum tank and a compressed air tank (not shown).
  • pipes A, B leave, leading to at least one room L comprising various rooms or separate rooms l1, l2, each provided with a socket P1, P2 for connecting an apparatus to each pipe A, B ...
  • P1, P2 for connecting an apparatus to each pipe A, B ...
  • the upstream portion A u comprises at least one sensor, in this case a pressure sensor 31 connected by a line 4 to an electronic control unit with microprocessor and programmable memories (not shown) of a first indicator unit 5 disposed near the sources 1 and 2.
  • the unit 5 receives signals from pressure sensors arranged in the upstream parts of the other distribution lines (as indicated by the pressure sensor 32 in the line B).
  • the housing 5 has a front panel on which are grouped into several series indicators of the physical quantities of the fluids distributed. In the example shown, we see a first series of indicators S Al associated with the fluid flowing in line A and a second vertical series of indicators S B1 associated with the fluid flowing in line B.
  • Each series of indicators S X1 comprises three indicator lights for operating the housing, respectively green 6, orange 7, red 8 and, arranged in pairs, two indicators 9, maximum pressure indicator, and 10, minimum pressure indicator detected.
  • Each S X1 series advantageously comprises a digital display 11 clearly displaying the pressure detected by the sensor 3 i , which is then an analog sensor, for example a piezoelectric pressure sensor.
  • the housing 5 advantageously includes an audible alarm 12 capable of being inhibited by a reset key 13 when one of the indicators 7 to 10 is lit, thus indicating a state of malfunction of the source of fluid or the exceeding of maximum thresholds or mini imposed by standards or by the network operator.
  • the pressurized fluid lines each include a pressure reducer 14 reducing the pressure of the fluid available at user stations to a value determined by standards or user devices.
  • a second indicator unit 15 comprising an electronic control unit with microprocessor and programmable memories (not shown) receiving signals from at least two pressure sensors 16, 17 arranged on either side of the pressure regulator 14 and supplying, by lines 18 and 19 to the housing 15, signals indicative of the primary pressure, upstream of the regulator 14, and secondary, available at the sockets connection P i .
  • the second indicator unit 15 has a front panel on which are grouped in series various indicators relating to the fluid flowing in the downstream portion A d of the pipe A.
  • each series S X2 comprises a pair of indicators 20, 21 indicators of maximum pressure and minimum pressure upstream of the regulator 14 (and therefore coupled to the sensor 16) and a pair of indicators 22, 23 of minimum and maximum pressure available at the sockets P i (and therefore associated with sensor 17).
  • the sensor 17 being an analog sensor analogous to the sensor 3 i
  • each series S X2 also includes a digital display 24 clearly indicating the pressure available in the downstream part of each pipe A, B ...
  • the housing 15 also includes advantageously an audible alarm 25 capable of being inhibited by a reset push button 26 and doubling, by an audible signal, the light signals of the indicators 20 to 23.
  • each room l i is arranged a repeater alarm panel 27 i connected by lines 28 i to the housing 15 and comprising on its front panel an indicator light 29 X and an audible alarm 30, capable of being inhibited by a reset button 31, and actuated when one of the indicators 20 to 23 of the corresponding series S X2 of the housing 15 is actuated.
  • the first box 5 as well as each second box 15 comprises a port 50, 150 for connection to a programming box 60 allowing the local network manager, on the one hand to assign each series d 'indicators S Xi to a particular fluid distribution line A, B ... or at least two series with two different significant quantities of the same fluid line (for example, in addition to pressure, flow or content of certain impurities in this fluid), and, more generally, to adjust the actuation thresholds of the indicators 6 to 10 for the housing 5 and 20 to 23 for the housings 15 according to the standards in force or other more selective criteria to guarantee optimal conditions of use at the different user stations P i .
  • each box 5, 15 advantageously comprises a connection output to a printer and a connection port, via an interfacing module, to a central monitoring and parameter setting, possibly via a remote transmission.

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  • Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The monitoring system comprises at least one, advantageously a first (5) and at least one second (15) indicator units each associated with at least one fluid distribution line and each including at least two series (SX1; SX2) of indicators, each series being associated with at least one sensor (3i, 16, 17) of a magnitude of a fluid flowing in a distribution line (A, B) and comprising at least two lights (9, 10; 20, 21; 22, 23) indicating thresholds of the said magnitude, these thresholds being adjustable through a programming unit (60). <IMAGE>

Description

La présente invention concerne les systèmes de surveillance de distribution d'au moins un fluide vers au moins un poste d'utilisation, comprenant au moins une ligne de distribution de fluide pourvue d'au moins un capteur relié à au moins un voyant associé.The present invention relates to systems for monitoring the distribution of at least one fluid to at least one user station, comprising at least one fluid distribution line provided with at least one sensor connected to at least one associated indicator.

Les opérateurs de réseaux de distribution de fluide disposent, pour leur gestion propre, de systèmes de surveillance généralement sophistiqués affichant un grand nombre de paramètres relatifs au fluide à divers endroits du réseau. Il n'en est généralement pas de même dans les réseaux locaux autonomes ni, de façon plus générale, au niveau de l'utilisateur final. D'autre part, dans certaines applications, notamment dans des sites hospitaliers ou médicaux, plusieurs fluides gazeux sont distribués vers des mêmes postes d'utilisation où l'utilisateur, par exemple le chirurgien ou le réanimateur, a un besoin absolu d'être assuré de la fourniture correcte, dans des normes pré-établies du ou des fluides qu'il utilise mais sans devoir lire nécessairement et surtout interpréter des paramètres inutiles.Fluid distribution network operators have, for their own management, generally sophisticated monitoring systems displaying a large number of parameters relating to the fluid at various locations in the network. It is generally not the same in local autonomous networks nor, more generally, at the level of the end user. On the other hand, in certain applications, in particular in hospital or medical sites, several gaseous fluids are distributed to the same user stations where the user, for example the surgeon or the resuscitator, has an absolute need to be insured. of the correct supply, in pre-established standards of the fluid or fluids that it uses but without having to read necessarily and above all interpret unnecessary parameters.

La présente invention a donc pour objet de proposer un système de surveillance de distribution locale d'au moins un fluide, typiquement un fluide médical, de conception simple mais efficace et fiable, convenant pour la surveillance de plusieurs fluides, d'utilisation souple et modulable et permettant d'assurer les conditions de sécurité requises.The object of the present invention is therefore to propose a system for monitoring the local distribution of at least one fluid, typically a medical fluid, of simple but effective and reliable design, suitable for monitoring several fluids, of flexible and modular use. and ensuring the required security conditions.

Pour ce faire, selon une caractéristique de l'invention, le système comprend au moins un boîtier indicateur comportant au moins deux séries d'indicateurs, chaque série étant associée à au moins un capteur d'une grandeur d'un fluide dans une ligne de distribution et comprenant au moins deux voyants indicateurs de seuil de ladite grandeur.To do this, according to a characteristic of the invention, the system comprises at least one indicator unit comprising at least two series of indicators, each series being associated with at least one sensor of a magnitude of a fluid in a line of distribution and comprising at least two threshold indicator lights of said quantity.

Selon d'autres caractéristiques de l'invention :

  • le système comporte des moyens à accès réglementé pour régler chaque seuil ;
  • chaque série d'indicateurs comprend un afficheur de la valeur de ladite grandeur ;
  • le système comprend un premier boîtier indicateur associé à au moins un capteur disposé dans la partie amont de la ligne de distribution ;
  • le système comprend au moins un deuxième boîtier indicateur associé à au moins un capteur disposé dans la partie aval de la ligne ;
  • la partie aval de la ligne comprend un détendeur et deux capteurs de pression de part et d'autre du détendeur et reliés au deuxième boîtier indicateur, lequel comporte avantageusement une série d'indicateurs avec deux voyants indicateurs de seuil de pression en amont du détendeur et deux voyants indicateurs de seuil de pression en aval du détendeur.
According to other characteristics of the invention:
  • the system includes means with regulated access to adjust each threshold;
  • each series of indicators comprises a display of the value of said quantity;
  • the system comprises a first indicator unit associated with at least one sensor disposed in the upstream part of the distribution line;
  • the system comprises at least a second indicator unit associated with at least one sensor disposed in the downstream part of the line;
  • the downstream part of the line comprises a pressure reducer and two pressure sensors on either side of the pressure reducer and connected to the second indicator unit, which advantageously comprises a series of indicators with two pressure threshold indicator lights upstream of the pressure reducer and two pressure threshold indicator lights downstream of the regulator.

Au sens de la présente invention, par "fluide" on entend un fluide, plus particulièrement un gaz, circulant depuis une source de fluide mais également du vide (dépression d'air) circulant vers une pompe à vide.Within the meaning of the present invention, by “fluid” is meant a fluid, more particularly a gas, circulating from a source of fluid but also vacuum (air depression) circulating towards a vacuum pump.

D'autres caractéristiques et avantages de la présente invention ressortiront de la description suivante d'un mode de réalisation, donnée à titre illustratif mais nullement limitatif, faite en relation avec le dessin annexé, sur lequel :
   - la figure unique représente schématiquement un système de surveillance de distribution locale de fluides médicaux selon l'invention.Other characteristics and advantages of the present invention will emerge from the following description of an embodiment, given by way of illustration but in no way limiting, made in relation to the appended drawing, in which:
- The single figure schematically represents a monitoring system for local distribution of medical fluids according to the invention.

Dans le mode de réalisation particulier représenté sur la figure, on reconnaît un poste de production de gaz médicaux généralement situé dans une enceinte protégée, comprenant notamment un réservoir de stockage d'au moins un gaz, en l'occurrence un réservoir 1 de stockage d'oxygène, des bouteilles de stockage d'un autre gaz, en l'occurrence un poste 2 de stockage de monoxyde d'azote ainsi que, généralement, un réservoir sous vide et un réservoir d'air comprimé (non représentés). De chaque source de fluide partent des canalisations A, B, conduisant à au moins un local L comportant diverses pièces ou salles séparées l₁, l₂, chacune pourvue d'une prise P₁, P₂ de raccordement d'un appareil à chaque canalisation A, B... (sur la figure on n'a représenté en détail qu'une portion de canalisation de distribution (A) en provenance de la source 1 et qui se décompose en une portion amont Au et une portion aval Ad dans le local L.In the particular embodiment represented in the figure, a medical gas production station is generally recognized in a protected enclosure, comprising in particular a storage tank for at least one gas, in this case a storage tank 1 for oxygen, bottles for storing another gas, in this case a station 2 for storing nitric oxide as well as, generally, a vacuum tank and a compressed air tank (not shown). From each fluid source, pipes A, B leave, leading to at least one room L comprising various rooms or separate rooms l₁, l₂, each provided with a socket P₁, P₂ for connecting an apparatus to each pipe A, B ... (in the figure there is shown in detail only a portion of distribution pipe (A) coming from the source 1 and which breaks down into an upstream portion A u and a downstream portion A d in the room L.

Selon un aspect de l'invention, la portion amont Au comporte au moins un capteur, en l'occurrence un capteur de pression 3₁ relié par une ligne 4 à une unité de contrôle électronique à microprocesseur et mémoires programmables (non représentée) d'un premier boîtier indicateur 5 disposé à proximité des sources 1 et 2. De façon similaire, le boîtier 5 reçoit des signaux de capteurs de pression disposés dans les parties amont des autres lignes de distribution (comme indiqué par le capteur de pression 3₂ dans la ligne B). Le boîtier 5 comporte une façade avant sur laquelle sont regroupés en plusieurs séries des indicateurs des grandeurs physiques des fluides distribués. Dans l'exemple représenté, on voit une première série d'indicateurs SAl associés au fluide circulant dans la ligne A et une deuxième série verticale d'indicateurs SB1 associés au fluide circulant dans la ligne B. Chaque série d'indicateurs SX1 comporte trois voyants indicateurs de fonctionnement du boîtier, respectivement vert 6, orange 7, rouge 8 et, agencés par paires, deux voyants 9, indicateur de pression maximum, et 10, indicateur de pression minimum détectées. Chaque série SX1 comporte avantageusement un afficheur numérique 11 affichant en clair la pression détectée par le capteur 3i, lequel est alors un capteur analogique, par exemple un capteur de pression piézoélectrique. Le boîtier 5 comporte avantageusement une alarme sonore 12 susceptible d'être inhibée par une touche 13 de réinitialisation lorsqu'un des voyants 7 à 10 est allumé, indiquant ainsi un état de mal-fonctionnement de la source de fluide ou le dépassement de seuils maxi ou mini imposés par les normes ou par l'opérateur du réseau.According to one aspect of the invention, the upstream portion A u comprises at least one sensor, in this case a pressure sensor 3₁ connected by a line 4 to an electronic control unit with microprocessor and programmable memories (not shown) of a first indicator unit 5 disposed near the sources 1 and 2. Similarly, the unit 5 receives signals from pressure sensors arranged in the upstream parts of the other distribution lines (as indicated by the pressure sensor 3₂ in the line B). The housing 5 has a front panel on which are grouped into several series indicators of the physical quantities of the fluids distributed. In the example shown, we see a first series of indicators S Al associated with the fluid flowing in line A and a second vertical series of indicators S B1 associated with the fluid flowing in line B. Each series of indicators S X1 comprises three indicator lights for operating the housing, respectively green 6, orange 7, red 8 and, arranged in pairs, two indicators 9, maximum pressure indicator, and 10, minimum pressure indicator detected. Each S X1 series advantageously comprises a digital display 11 clearly displaying the pressure detected by the sensor 3 i , which is then an analog sensor, for example a piezoelectric pressure sensor. The housing 5 advantageously includes an audible alarm 12 capable of being inhibited by a reset key 13 when one of the indicators 7 to 10 is lit, thus indicating a state of malfunction of the source of fluid or the exceeding of maximum thresholds or mini imposed by standards or by the network operator.

Dans le local L, les lignes de fluide sous pression comportent chacune un manodétendeur 14 ramenant la pression du fluide disponible aux postes utilisateurs à une valeur déterminée par les normes ou les appareils utilisateurs. Selon un autre aspect de l'invention, dans le local L est disposé un deuxième boîtier indicateur 15 comportant une unité de commande électronique à micro-processeur et mémoires programmables (non représentée) recevant des signaux d'au moins deux capteurs de pression 16, 17 disposés de part et d'autre du manodétendeur 14 et fournissant, par des lignes 18 et 19 au boîtier 15, des signaux indicatifs de la pression primaire, en amont du détendeur 14, et secondaire, disponible aux prises de raccordement Pi. Comme le premier boîtier indicateur 5, le deuxième boîtier indicateur 15 comporte une façade avant sur laquelle sont regroupés en série divers indicateurs relatifs au fluide circulant dans la portion aval Ad de la canalisation A. Dans le mode de réalisation représenté, chaque série SX2 comporte une paire de voyants 20, 21 indicateurs de pression maxi et de pression mini en amont du détendeur 14 (et couplés donc au capteur 16) et une paire de voyants 22, 23 de pression mini et maxi disponible aux prises Pi (et donc associés au capteur 17). Avantageusement, le capteur 17 étant un capteur analogique analogue au capteur 3i, chaque série SX2 comporte en outre un afficheur numérique 24 indiquant en clair la pression disponible dans la partie aval de chaque canalisation A, B... Le boîtier 15 comporte également avantageusement une alarme sonore 25 susceptible d'être inhibée par un bouton-poussoir de réinitialisation 26 et doublant, par un signal sonore, les signaux lumineux des voyants 20 à 23.In room L, the pressurized fluid lines each include a pressure reducer 14 reducing the pressure of the fluid available at user stations to a value determined by standards or user devices. According to another aspect of the invention, in room L is disposed a second indicator unit 15 comprising an electronic control unit with microprocessor and programmable memories (not shown) receiving signals from at least two pressure sensors 16, 17 arranged on either side of the pressure regulator 14 and supplying, by lines 18 and 19 to the housing 15, signals indicative of the primary pressure, upstream of the regulator 14, and secondary, available at the sockets connection P i . Like the first indicator unit 5, the second indicator unit 15 has a front panel on which are grouped in series various indicators relating to the fluid flowing in the downstream portion A d of the pipe A. In the embodiment shown, each series S X2 comprises a pair of indicators 20, 21 indicators of maximum pressure and minimum pressure upstream of the regulator 14 (and therefore coupled to the sensor 16) and a pair of indicators 22, 23 of minimum and maximum pressure available at the sockets P i (and therefore associated with sensor 17). Advantageously, the sensor 17 being an analog sensor analogous to the sensor 3 i , each series S X2 also includes a digital display 24 clearly indicating the pressure available in the downstream part of each pipe A, B ... The housing 15 also includes advantageously an audible alarm 25 capable of being inhibited by a reset push button 26 and doubling, by an audible signal, the light signals of the indicators 20 to 23.

Selon encore un autre aspect de l'invention, dans chaque pièce li est disposé un panneau d'alarme répétiteur 27i connecté par des lignes 28i au boîtier 15 et comportant sur sa façade avant un voyant 29X et une alarme sonore 30, susceptibles d'être inhibés par un bouton de réinitialisation 31, et actionnés lorsqu'un des voyants 20 à 23 de la série correspondante SX2 du boîtier 15 est actionné.According to yet another aspect of the invention, in each room l i is arranged a repeater alarm panel 27 i connected by lines 28 i to the housing 15 and comprising on its front panel an indicator light 29 X and an audible alarm 30, capable of being inhibited by a reset button 31, and actuated when one of the indicators 20 to 23 of the corresponding series S X2 of the housing 15 is actuated.

Selon une caractéristique importante de l'invention, le premier boîtier 5 ainsi que chaque second boîtier 15 comporte un port 50, 150 de connexion à un boîtier de programmation 60 permettant au gestionnaire du réseau local, d'une part d'affecter chaque série d'indicateurs SXi à une ligne de distribution particulière de fluide A, B... ou au moins deux séries à deux grandeurs significatives différentes d'une même ligne de fluide (par exemple, outre la pression, le débit ou la teneur en certaines impuretés dans ce fluide), et, plus généralement, de régler les seuils d'actionnement des voyants 6 à 10 pour le boîtier 5 et 20 à 23 pour les boîtiers 15 selon les normes en vigueur ou d'autres critères plus sélectifs pour garantir des conditions d'utilisation optimales aux différents postes d'utilisation Pi. Ainsi, par exemple, pour l'oxygène médical, en France, les normes imposent, et les seuils correspondants des boîtiers 5 et 15 seront ajustés en conséquence, des pressions mini et maxi de 3,8 ata et 6 ata en aval du détendeur 14, et 6,8 ata et 13 ata en amont de ce détendeur 14.According to an important characteristic of the invention, the first box 5 as well as each second box 15 comprises a port 50, 150 for connection to a programming box 60 allowing the local network manager, on the one hand to assign each series d 'indicators S Xi to a particular fluid distribution line A, B ... or at least two series with two different significant quantities of the same fluid line (for example, in addition to pressure, flow or content of certain impurities in this fluid), and, more generally, to adjust the actuation thresholds of the indicators 6 to 10 for the housing 5 and 20 to 23 for the housings 15 according to the standards in force or other more selective criteria to guarantee optimal conditions of use at the different user stations P i . Thus, for example, for medical oxygen, in France, the standards impose, and the corresponding thresholds of the boxes 5 and 15 will be adjusted accordingly, minimum and maximum pressures of 3.8 ata and 6 ata downstream of the regulator 14, and 6.8 ata and 13 ata upstream of this regulator 14.

Quoique la présente invention ait été décrite en relation avec un mode de réalisation particulier, elle ne s'en trouve pas limitée pour autant mais est au contraire susceptible de modifications et de variantes qui apparaîtront à l'homme de l'art. Ainsi, chaque boîtier 5, 15 comporte avantageusement une sortie de liaison à une imprimante et un port de connexion, via un module d'interfaçage, à un central de surveillance et de paramétrage, éventuellement via une télétransmission.Although the present invention has been described in relation to a particular embodiment, it is not limited thereby, but is on the contrary subject to modifications and variants which will appear to those skilled in the art. Thus, each box 5, 15 advantageously comprises a connection output to a printer and a connection port, via an interfacing module, to a central monitoring and parameter setting, possibly via a remote transmission.

Claims (11)

Système de surveillance de distribution locale d'au moins un fluide vers au moins un poste d'utilisation (Pi), comprenant au moins une ligne de distribution de fluide (A, B) pourvue d'au moins un capteur (3i ; 16, 17) relié à au moins un voyant (6-10 ; 20-23), caractérisé en ce qu'il comprend au moins un boîtier indicateur (5, 15) comportant au moins deux séries (SXi) d'indicateurs, chaque série étant associée à au moins un capteur (3i ; 16, 17) d'une grandeur d'un fluide circulant dans une ligne de distribution (A, B) et comprenant au moins deux voyants (9, 10 ; 20, 21 ; 22, 23) indicateurs de seuils de ladite grandeur.System for monitoring the local distribution of at least one fluid to at least one use station (P i ), comprising at least one fluid distribution line (A, B) provided with at least one sensor (3 i ; 16, 17) connected to at least one indicator (6-10; 20-23), characterized in that it comprises at least one indicator unit (5, 15) comprising at least two series (S Xi ) of indicators, each series being associated with at least one sensor (3 i ; 16, 17) of a quantity of a fluid circulating in a distribution line (A, B) and comprising at least two sight glasses (9, 10; 20, 21 ; 22, 23) threshold indicators of said quantity. Système selon la revendication 1, caractérisé en ce qu'il comporte des moyens (60) à accès réglementé pour régler chaque seuil.System according to claim 1, characterized in that it comprises means (60) with regulated access for adjusting each threshold. Système selon la revendication 1 ou la revendication 2, caractérisé en ce que chaque série (SXi) comprend un afficheur (11 ; 24) de la valeur de ladite grandeur.System according to claim 1 or claim 2, characterized in that each series (S Xi ) comprises a display (11; 24) of the value of said quantity. Système selon la revendication 3, comprenant une source de fluide (1 ; 2) alimentant la ligne de distribution (A, B), caractérisé en ce qu'il comprend un premier boîtier indicateur (5) associé à au moins un capteur (3i) disposé dans une partie amont (Au) de la ligne.System according to claim 3, comprising a source of fluid (1; 2) supplying the distribution line (A, B), characterized in that it comprises a first indicator unit (5) associated with at least one sensor (3 i ) arranged in an upstream part (A u ) of the line. Système selon la revendication 4, caractérisé en ce qu'il comprend au moins un deuxième boîtier indicateur (15) disposé à proximité du poste d'utilisation (Pi) et associé à au moins un capteur (16, 17) dans la partie aval (Ad) de la ligne.System according to claim 4, characterized in that it comprises at least a second indicator unit (15) disposed near the use station (P i ) and associated with at least one sensor (16, 17) in the downstream part (A d ) of the line. Système selon la revendication 5, caractérisé en ce que la partie aval (Ad) de la ligne comprend un détendeur (14) et deux capteurs de pression (16, 17) disposés de part et d'autre du détendeur et reliés au deuxième boîtier indicateur (15).System according to claim 5, characterized in that the downstream part (A d ) of the line comprises a pressure reducer (14) and two pressure sensors (16, 17) arranged on either side of the pressure reducer and connected to the second housing indicator (15). Système selon la revendication 6, caractérisé en ce qu'au moins une série (SX₂) du deuxième boîtier indicateur (15) comprend deux voyants (20, 21) indicateurs de seuils de pression en amont du détendeur (14) et deux voyants (22, 23) indicateurs de seuils de pression en aval du détendeur.System according to claim 6, characterized in that at least one series (SX₂) of the second indicator unit (15) comprises two indicators (20, 21) indicators of pressure thresholds upstream of the regulator (14) and two indicators (22 , 23) pressure threshold indicators downstream of the regulator. Système selon la revendication 3 et l'une des revendications 6 et 7, caractérisé en ce que l'afficheur (24) de ladite série (SX2) du deuxième boîtier indicateur (15) est relié au capteur de pression (17) en aval du détendeur (14).System according to claim 3 and one of claims 6 and 7, characterized in that the display (24) of said series (S X2 ) of the second indicator unit (15) is connected to the pressure sensor (17) downstream the regulator (14). Système selon la revendication 7 ou la revendication 8, caractérisé en ce qu'il comporte, au voisinage du poste d'utilisation (Pi) un panneau d'alarme répétiteur (27i) relié au deuxième boîtier indicateur (15) et comportant au moins un voyant (29I) associé à chaque série d'indicateurs (SX2) du deuxième boîtier indicateur.System according to claim 7 or claim 8, characterized in that it comprises, in the vicinity of the use station (P i ) a repeater alarm panel (27 i ) connected to the second indicator unit (15) and comprising at the at least one indicator (29 I ) associated with each series of indicators (S X2 ) of the second indicator unit. Système selon l'une des revendications précédentes, caractérisé en ce que le fluide est un gaz médical.System according to one of the preceding claims, characterized in that the fluid is a medical gas. Système selon la revendication 10, caractérisé en ce qu'il comprend au moins deux lignes (A, B) de distribution de gaz médicaux différents, chaque boîtier indicateur (5 ; 15) comprenant au moins une série d'indicateurs (SX1 ; SX2) dédiée à chaque gaz.System according to claim 10, characterized in that it comprises at least two different medical gas distribution lines (A, B), each indicator unit (5; 15) comprising at least one series of indicators (S X1 ; S X2 ) dedicated to each gas.
EP19930401570 1992-06-19 1993-06-18 Monitoring system for fluid distribution to a user device Expired - Lifetime EP0575261B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9207485 1992-06-19
FR9207485A FR2692650B1 (en) 1992-06-19 1992-06-19 Fluid distribution monitoring system to a user station.

Publications (2)

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EP0575261A1 true EP0575261A1 (en) 1993-12-22
EP0575261B1 EP0575261B1 (en) 1997-11-05

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EP19930401570 Expired - Lifetime EP0575261B1 (en) 1992-06-19 1993-06-18 Monitoring system for fluid distribution to a user device

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US (1) US5446449A (en)
EP (1) EP0575261B1 (en)
CA (1) CA2098654A1 (en)
DE (1) DE69314996T2 (en)
ES (1) ES2108242T3 (en)
FR (1) FR2692650B1 (en)

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Also Published As

Publication number Publication date
DE69314996D1 (en) 1997-12-11
DE69314996T2 (en) 1998-03-05
US5446449A (en) 1995-08-29
FR2692650A1 (en) 1993-12-24
FR2692650B1 (en) 1994-08-19
EP0575261B1 (en) 1997-11-05
ES2108242T3 (en) 1997-12-16
CA2098654A1 (en) 1993-12-20

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