EP3259226B1 - Adapter and method for filling a fluidic circuit - Google Patents

Adapter and method for filling a fluidic circuit Download PDF

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Publication number
EP3259226B1
EP3259226B1 EP16705120.0A EP16705120A EP3259226B1 EP 3259226 B1 EP3259226 B1 EP 3259226B1 EP 16705120 A EP16705120 A EP 16705120A EP 3259226 B1 EP3259226 B1 EP 3259226B1
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EP
European Patent Office
Prior art keywords
piston
filling
chamber
movement transmission
tube
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EP16705120.0A
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German (de)
French (fr)
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EP3259226A1 (en
Inventor
Jacques Goasguen
Philippe CORMIER
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Fives Filling and Sealing
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Fives Filling and Sealing
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Publication of EP3259226A1 publication Critical patent/EP3259226A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/005—Spouts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0227—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants by an ejection plunger
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/02—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants
    • B67D7/0277—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring liquids other than fuel or lubricants using negative pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred
    • B67D7/16—Arrangements of liquid meters
    • B67D7/18—Arrangements of liquid meters of piston type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/42—Filling nozzles
    • B67D7/44—Filling nozzles automatically closing
    • B67D7/46—Filling nozzles automatically closing when liquid in container to be filled reaches a predetermined level

Definitions

  • the present invention relates to an adapter and a filling method for transferring one or more fluids from a filling cell to a fluid circuit. It finds particular application for the transfer of fluids such as coolant, brake fluid or air conditioning fluid to the corresponding fluid circuit of a vehicle, for example on an automotive assembly line, or in the energy sector for the filling of electric radiators with fluid.
  • fluids such as coolant, brake fluid or air conditioning fluid
  • the filling adapter is a specific tool that connects to the fluidic circuits in a sealed manner via a temporary connection, automatic or manual, integrating mechanical, hydraulic and pneumatic elements so as to ensure a fluid connection between the filling cells and the circuits. fill.
  • mechanical elements is the dip tube allowing the leveling required by the manufacturer of the circuits to be filled.
  • the operator uses the filling adapter during the passage of each vehicle: it must therefore be robust, lightweight, ergonomic.
  • dip tube which is an appendage attached to the end of the fill adapter.
  • This leveling dip tube should not be damaged, for example twisted, to ensure effective insertion into the circuit, but also to ensure proper leveling.
  • the adapters with electrically controlled tube have a good accuracy of adjustment of the height of the dip tube, but require additional protection in terms of sealing of the electric motor.
  • This integration of a sealed electric motor generates a voluminous and heavy adapter which is not suitable in certain geometric configurations and can be ergonomically disadvantageous for the operator.
  • the use of an electrical control excludes the use of this type of filling adapter in hazardous area (ATEX), or makes it difficult by the need for additional protective measures.
  • Pneumatically controlled tube filler adapters can be used in the ATEX area and are smaller.
  • WO201500454 has such equipment using compressed gas to vary the height of the dip tube.
  • the invention therefore aims to overcome these problems. It relates to a hydraulically controlled filling adapter, so with a non-compressible fluid.
  • the fluid used for controlling the dip tube may be of the same type as that flowing in the dip tube with a single mechanism of action on the dip tube for the ascent and descent.
  • the control of the displacement mechanism of the plunger tube can be offset in the filling cell which greatly reduces the volume and the weight of said adapter, thus facilitating the filling operations for the operators.
  • This adapter according to the invention also makes it possible to position the dip tube at a multitude of levels between two extreme positions ensuring a perfect adaptability to the filling level constraints of the different fluidic circuits to be treated.
  • the invention has a filling adapter using a hydraulic drive to vary the height of the dip tube.
  • the filling adapter is connected by a sheath to a filling cell which includes all the necessary elements and commonly used to allow the filling of fluidic circuits.
  • This filling adapter according to the invention, has a plunger tube integral with a piston integrated in a closed guide tube on one side. This piston can vary position on a Y axis causing the rise or fall of the dip tube.
  • a hydraulic chamber is formed by the piston and the guide tube on the side where it is closed. According to the choice of implementation of the invention, the hydraulic chamber of the adapter will be positioned below or above the piston secured to the plunger tube.
  • This first hydraulic chamber is connected to a second hydraulic chamber remote in the filling cell.
  • this remote hydraulic chamber is part of an assembly comprising an electric jack which actuates a piston which thus varies the volume of said remote chamber. By varying this volume, a liquid movement will be created between the remote hydraulic chamber and the hydraulic chamber of the filling adapter.
  • a withdrawal of the piston actuated by the electric cylinder will suck liquid from the chamber of the adapter driving the piston down from it.
  • the dip tube is then in the low position ready to fill or level the fluid circuit.
  • a thrust of the piston actuated by the jack will introduce liquid into the adapter chamber causing the piston to rise and with it the dip tube.
  • the liquid contained in the two chambers is introduced by a connection, comprising a valve, on the hydraulic chamber offset in the filling cell.
  • this connection also makes it possible to purge and renew, manually or automatically, the liquid contained in the two chambers to guarantee the quality of said liquid in terms of compressibility. but also so that it corresponds exactly to the characteristics of the filling fluid of the fluidic circuit.
  • a first level of control of the positioning of the end of the dip tube is obtained by the use of an electric stepping jack to control the displacement of the piston. At each step corresponds to a position of the tube.
  • an additional control solution is associated with the fill adapter. It makes it possible to ensure that the different heights programmed by the operator are reached and, if necessary, to compensate for the differences observed by adding or removing liquid in the hydraulic circuit to calibrate the system.
  • This solution can be either embedded in the adapter or not embedded with an off-cycle measurement.
  • a linear displacement sensor is integral with the device for hanging up the filling adapter on its console. This sensor detects the position of the end of the dip tube when the adapter is placed on the hang-up device.
  • a magnetic ring may be positioned on the end of the dip tube to ensure its detection.
  • the electric cylinder is actuated to position the dip tube.
  • the linear detector detects the height of the dip tube. Any deviation measured is taken into account for future positioning of the dip tube or to initiate a reset procedure. This detector also allows the control of the minimum and maximum of the stroke of the dip tube.
  • the object of the invention is therefore, according to a first aspect, an adapter for filling a fluidic circuit with a filling fluid, intended to be connected on the one hand to said fluidic circuit and on the other hand to a filling cell.
  • the adapter comprises at least one duct capable of being connected to the filling cell and able to suck filler fluid contained in and filling with filling fluid, the fluidic circuit, and a plunger tube integral with a piston axially adjustable on a Y axis in a first guide tube.
  • the dip tube has first and second ends and is connected by the first end to the conduit.
  • the piston forms with the first guide tube a first chamber disposed on one of the two sides of the piston.
  • the first chamber is adapted to receive a motion transmission fluid by a hydraulic transfer line so as to allow, on the one hand, by injection of the motion transmission liquid in the first chamber, the movement of the dip tube, by the intermediate piston, in a first direction, along the Y axis, dive into the, or upstream of the fluidic circuit, and secondly, by suction of the motion transmission liquid from the first chamber, the movement of the dip tube, via the piston, in a second direction, along the Y axis, opposite to the first direction, from the ascent of, or diving into the fluidic circuit.
  • the subject of the invention is also, according to a second aspect, a process for filling a fluidic circuit with a filling fluid, with an adapter as presented above, connected on the one hand to said fluid circuit and on the other part of a filling cell containing the filling fluid.
  • a transfer of motion transmission fluid through a hydraulic transfer line to the first chamber causes the plunger tube to move, through the piston, in a first direction, along the Y axis, to dive into the, or to rising of the fluidic circuit, and a transfer of motion transmission liquid through the hydraulic transfer line from the first chamber causes the movement of the dip tube, via the piston, in a second direction along the Y axis, opposed to the first direction, ascending the, or diving into the fluidic circuit.
  • the figure 1 shows, according to a non-limiting example of the invention, an adapter 1 of fluid filling 5 of a fluid circuit 2 or reservoir. Said filling adapter is connected to a filling cell 16 by a sheath (not shown) containing fluidic connections.
  • the filling adapter 1 comprises a duct 4 for sucking or delivering gas and / or filling fluid 5.
  • This duct 4 is connected to a valve that can on demand let gas or liquid.
  • the suction and filling functions can be supported by the filling cell 16.
  • the duct 4 is connected to a plunger tube 6, itself integral.
  • the first guide tube 9 is open venting the upper side of the piston 7.
  • the lower part of the piston 7 forms, with the first guide tube 9, a first sealed chamber 8.
  • the sealing of the first chamber 8 is provided by seals (not shown) at the passages of the movable elements on the first guide tube 9.
  • the first chamber 8 is filled with a liquid 3 for transmitting motion. Said liquid 3 makes it possible to move the piston 7 in the first guide tube 9.
  • the first chamber 8 is connected by a hydraulic transfer line 10 to a second chamber 13 offset in the filling cell 16.
  • the volume of the second chamber 13 is modified by the movement of a piston 11 of motion transmission. Said piston 11 is actuated by an electric jack 12 step by step controlled by a control system.
  • the plunger tube 6 is shown in the up position. This is obtained and maintained by the thrust exerted by the electric cylinder 12 on the piston 11.
  • said piston 11 reduces the size of the second chamber 13 which transfers transmission fluid movement 3 to the first chamber 8.
  • the piston 7 rises in the first guide tube 9.
  • the displacement of the piston 11 produced by the jack 12 is proportional to the volume of the motion transmission liquid 3 necessary to fill the first chamber 8. Once this volume has been displaced, the jack 12 is stopped and the piston 7 stops moving. Since the motion transmission liquid 3 is inherently incompressible and insensitive to temperature, the first chamber 8 no longer changes its volume and the piston 7 does not move any longer.
  • the end 14 of the dip tube is in the maximum high position H max. .
  • the figure 2 represents an alternative embodiment of the filling adapter 1 described above according to the invention, using a second tube 15 for guiding the plunger tube 6.
  • the plunger tube 6 is represented in the high position H max.
  • the conduit 4 is connected to the second guide tube 15 allowing fluidic continuity between the conduit 4 and the plunger tube 6.
  • the piston 7 and the plunger tube 6 slide along the second guide tube 15. This solution makes it possible to avoid the movements of the duct 4 during the raising and lowering of the plunger tube 6.
  • the figure 3 illustrates the filling adapter 1 according to the embodiment variant of the invention described above with reference to FIG. figure 2 , the dip tube being in intermediate low position H3.
  • the electric cylinder 12 pulls on the piston 11 of motion transmission.
  • the second chamber 13 increases in volume and sucks the motion transmission liquid 3 coming from the first chamber 8 of the filling adapter 1.
  • the volume of the first chamber 8 decreases and drives the piston 7 downwards.
  • the cylinder 12 stops the displacement of the piston 11
  • the transfer of liquid 3 of motion transmission is interrupted and the piston 7 also stops its travel.
  • the end 14 of the plunger tube 6 is then in the intermediate position H3.
  • the fill or upgrade cycle begins.
  • the filling sequence may, for example, provide fast filling but surplus H3 level in the fluidic circuit 2.
  • a suction phase of the filling fluid 5 by the plunger tube 6 puts the fluid circuit 2 at the intermediate level H3.
  • the electric jack 12 pushes the liquid transmission liquid 3 towards the filling adapter 1 in order to raise the dip tube to the high position H max, passing through the intermediate positions H2 and H1.
  • the figure 4 is a representation of another implementation variant, not limiting, of the invention.
  • the first tube 9 for guiding the filling adapter 1 is closed and the duct 4 is connected to the plunger tube 6 by the upper space delimited by the first guide tube 9 and the piston 7.
  • the piston 7 After or during the descent phase of the dip tube 6, described above, the piston 7 is pushed mechanically by the influx of filling fluid 5. In this case, it is an additional security to ensure that the plunger tube 6 goes down to the filling position. This also makes it possible to accelerate the descent of the plunger tube 6 and thus save time over the duration of the filling cycle of the fluidic circuit 2.
  • the upper face of said piston 7 may advantageously have a concave shape.
  • the figure 5 presents a last embodiment of the invention proposing to position the space in the open air of the first guide tube 9 below the piston 7, and therefore the first chamber 8 above the piston 7.
  • the control system is then reversed compared to the examples presented above.
  • the cylinder 12 pushes the piston 11 of motion transmission to lower the dip tube 6 of the adapter 1 of filling.
  • the first chamber 8 then fills with liquid 3 of motion transmission which pushes the piston 7 downwards.
  • the plunger tube 6 rises to its original position.
  • the upward movement of the piston 7 is generated by the recoil of the electric jack 12 reversing the transfer of the motion-transmitting liquid 3 from the first chamber 8 to the second chamber 13.
  • the motion transmission liquid 3 is identical to the filling fluid, which is therefore also liquid, or is a fluid of a type compatible with the latter.
  • the motion transmission liquid 3 can mix with the filling fluid 5 without any risk of reducing the quality of the latter.
  • linear displacement sensors for example photoelectric sensors or laser sensors, are integrated in the adapter or disposed on the hookup device of the adapter on its console.
  • Position detection is then performed during and / or after the use of the filling adapter 1. This makes it possible, for example, to calibrate the positioning height of the plunger tube 6 and, if necessary, to supplement the volume of the motion-transmitting liquid 3 in the first and second chambers 8 and 13 by a connection at the level of the second chamber 13.
  • the examples described above use an electric jack 12 to vary the volume of the second chamber 13 but it is possible to use any other type of equipment having the same function.
  • This equipment can be manually adjusted, for example with a calibration of a depth for a production batch, or fully automatic, with for example an automatic adaptation by an industrial programmable controller.
  • a raising system of the tube 15 and the piston 7 in the initial position, that is to say in abutment, is added. This can be advantageous, especially when the head is greater than 3 m between the filling adapter 1 and the filling cell 16.
  • the lift system is known in itself to those skilled in the art.
  • the lift system injects compressed gas into a third chamber (not shown) defined by the lower part of the first guide tube 9 and the lower part of the piston 7.
  • the plunger tube 6 is positioned in height between H max and H min included, thanks to transfer of motion transmission fluid 3 to, or of, the first chamber 8 ', without using the lift system.
  • the lift system leaves the third chamber free.
  • the cylinder 12 actuates the piston 11, which sucks the motion transmission liquid 3 from the first chamber 8.
  • the lift system injects the compressed gas in the third chamber, which raises the piston 7 in abutment, that is to say in position H max.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Description

La présente invention concerne un adaptateur et un procédé de remplissage destiné à transférer un ou plusieurs fluides d'une cellule de remplissage vers un circuit fluidique. Elle trouve notamment une application pour le transfert de fluides tels que du liquide de refroidissement, du liquide de frein ou du fluide de climatisation, vers le circuit fluidique correspondant d'un véhicule, par exemple sur une chaîne d'assemblage automobile, ou encore dans le secteur de l'énergie pour le remplissage de radiateurs électriques à fluide.The present invention relates to an adapter and a filling method for transferring one or more fluids from a filling cell to a fluid circuit. It finds particular application for the transfer of fluids such as coolant, brake fluid or air conditioning fluid to the corresponding fluid circuit of a vehicle, for example on an automotive assembly line, or in the energy sector for the filling of electric radiators with fluid.

Par exemple, dans le secteur automobile, le niveau final dans le réservoir du circuit requis par le constructeur varie d'un circuit à l'autre. Aussi, lorsqu'il y a une diversité de circuits à remplir, il est difficile d'avoir un adaptateur de remplissage dédié pour chaque circuit. Il faut donc remédier à cela en utilisant soit une pièce adaptatrice, qui nécessite une opération supplémentaire qui prend du temps et qui peut occasionner des fuites, soit avec un adaptateur comprenant un tube plongeur permettant la mise à niveau de hauteur réglable pour s'adapter à la diversité de production.For example, in the automotive sector, the final level in the tank of the circuit required by the manufacturer varies from circuit to circuit. Also, when there is a diversity of circuits to fill, it is difficult to have a dedicated charging adapter for each circuit. This must be remedied by using either an adapter piece, which requires an additional operation that is time consuming and may cause leaks, or with an adapter comprising a plunger tube allowing the leveling of adjustable height to accommodate the diversity of production.

Sur les chaines automobiles, on dispose de fluides pour remplir les différents circuits des véhicules en cours d'assemblage sur la chaine de production. L'adaptateur de remplissage est un outil spécifique qui se connecte aux circuits fluidiques de façon étanche via une connexion temporaire, automatique ou manuelle, intégrant des éléments mécaniques, hydrauliques et pneumatiques de façon à assurer une liaison fluidique entre les cellules de remplissage et les circuits à remplir. Un de ces éléments mécaniques est le tube plongeur permettant la mise à niveau requise par le constructeur des circuits à remplir. L'opérateur utilise l'adaptateur de remplissage lors du passage de chaque véhicule : il se doit donc d'être robuste, léger, ergonomique.In automotive chains, fluids are available to fill the various circuits of vehicles being assembled on the production line. The filling adapter is a specific tool that connects to the fluidic circuits in a sealed manner via a temporary connection, automatic or manual, integrating mechanical, hydraulic and pneumatic elements so as to ensure a fluid connection between the filling cells and the circuits. fill. One of these mechanical elements is the dip tube allowing the leveling required by the manufacturer of the circuits to be filled. The operator uses the filling adapter during the passage of each vehicle: it must therefore be robust, lightweight, ergonomic.

Cependant, il reste un outil vulnérable, en particulier le tube plongeur, qui est un appendice fixé au bout de l'adaptateur de remplissage. Ce tube plongeur de mise à niveau ne doit pas être endommagé, par exemple tordu, pour garantir une insertion efficace dans le circuit, mais également pour garantir la bonne mise à niveau.However, there remains a vulnerable tool, particularly the dip tube, which is an appendage attached to the end of the fill adapter. This leveling dip tube should not be damaged, for example twisted, to ensure effective insertion into the circuit, but also to ensure proper leveling.

Actuellement, il existe des adaptateurs à tube piloté électriquement et des adaptateurs à tube à pilotage pneumatique.Currently, there are electrically driven tube adapters and pneumatically driven tube adapters.

Les adaptateurs à tube piloté électriquement possèdent une bonne précision de réglage de la hauteur du tube plongeur, mais requièrent une protection complémentaire en termes d'étanchéité du moteur électrique. Cette intégration d'un moteur électrique étanche engendre un adaptateur volumineux et lourd qui ne convient pas dans certaines configurations géométriques et peut être ergonomiquement désavantageux pour l'opérateur. De plus, l'utilisation d'un pilotage électrique exclut l'utilisation de ce type d'adaptateur de remplissage en zone à atmosphère explosive (ATEX), ou la rend difficile par la nécessité de mesures de protection complémentaires.The adapters with electrically controlled tube have a good accuracy of adjustment of the height of the dip tube, but require additional protection in terms of sealing of the electric motor. This integration of a sealed electric motor generates a voluminous and heavy adapter which is not suitable in certain geometric configurations and can be ergonomically disadvantageous for the operator. In addition, the use of an electrical control excludes the use of this type of filling adapter in hazardous area (ATEX), or makes it difficult by the need for additional protective measures.

Les adaptateurs de remplissage à tube à pilotage pneumatique sont utilisables en zone ATEX et sont moins volumineux. WO201500454 présente un tel équipement utilisant du gaz comprimé pour faire varier la hauteur du tube plongeur.Pneumatically controlled tube filler adapters can be used in the ATEX area and are smaller. WO201500454 has such equipment using compressed gas to vary the height of the dip tube.

Cependant, l'utilisation d'un gaz comme fluide de pilotage présente des désavantages. En effet, les gaz comprimés sont moins précis en raison de leur compressibilité et de leur sensibilité aux variations de pression et de température du fluide passant dans le tube plongeur. De plus, ce type de solution créé une source de pollution du fluide de remplissage en raison des possibilités de fuite de gaz vers le fluide de remplissage qui peuvent donc impacter sa qualité. Ceci peut être particulièrement problématique dans les cas où le circuit fluidique à remplir fait partie des organes de sécurité d'un véhicule. On citera l'exemple du liquide de frein dont une mauvaise qualité peut entrainer une baisse du point d'ébullition et ainsi une perte de freinage en cas d'urgence ou de freinage prolongé.However, the use of a gas as piloting fluid has disadvantages. In fact, the compressed gases are less precise because of their compressibility and their sensitivity to variations in pressure and temperature of the fluid passing through the dip tube. In addition, this type of solution creates a source of pollution of the filling fluid due to the possibility of gas leakage to the filling fluid which can therefore impact its quality. This can be particularly problematic in cases where the fluid circuit to be filled is part of the safety devices of a vehicle. An example of a brake fluid is poor quality, which can lead to a drop in the boiling point and thus a loss of braking in case of emergency or prolonged braking.

Par ailleurs, le système décrit dans WO201500454 nécessite l'utilisation d'un ressort pour faire remonter le tube lorsque la pression pneumatique diminue. Ce système n'est pas suffisamment fiable dans un équipement qui est amené à s'encrasser avec le transfert de fluide. Cet encrassement peut conduire à gripper la course du ressort ce qui peut bloquer ou gêner la remontée du tube plongeur, et rendre nécessaire un effort de compression plus important que prévu pour la descente du tube plongeur.In addition, the system described in WO201500454 requires the use of a spring to raise the tube when the pneumatic pressure decreases. This system is not sufficiently reliable in equipment that is prone to fouling with fluid transfer. This fouling can lead to seize the spring stroke which can block or interfere with the rise of the plunger tube, and require a compression force greater than expected for the descent of the plunger tube.

L'invention a donc pour but de pallier ces problèmes. Elle a pour objet un adaptateur de remplissage piloté hydrauliquement, donc avec un fluide non compressible. Avantageusement selon l'invention, le fluide utilisé pour le pilotage du tube plongeur peut être du même type que celui circulant dans le tube plongeur avec un seul mécanisme d'action sur le tube plongeur pour la remontée et la descente.The invention therefore aims to overcome these problems. It relates to a hydraulically controlled filling adapter, so with a non-compressible fluid. Advantageously according to the invention, the fluid used for controlling the dip tube may be of the same type as that flowing in the dip tube with a single mechanism of action on the dip tube for the ascent and descent.

Selon l'invention, le pilotage du mécanisme de déplacement du tube plongeur peut être déporté dans la cellule de remplissage ce qui réduit fortement le volume et le poids dudit adaptateur, facilitant ainsi les opérations de remplissage pour les opérateurs. Cet adaptateur selon l'invention permet également de pouvoir positionner le tube plongeur à une multitude de niveaux entre deux positions extrêmes garantissant une parfaite adaptabilité aux contraintes de niveaux de remplissage des différents circuits fluidiques à traiter.According to the invention, the control of the displacement mechanism of the plunger tube can be offset in the filling cell which greatly reduces the volume and the weight of said adapter, thus facilitating the filling operations for the operators. This adapter according to the invention also makes it possible to position the dip tube at a multitude of levels between two extreme positions ensuring a perfect adaptability to the filling level constraints of the different fluidic circuits to be treated.

Ainsi, l'invention présente un adaptateur de remplissage utilisant un pilotage hydraulique pour faire varier la hauteur du tube plongeur. L'adaptateur de remplissage est relié par une gaine à une cellule de remplissage qui comprend tous les éléments nécessaires et communément utilisés pour permettre le remplissage de circuits fluidiques. Cet adaptateur de remplissage, selon l'invention, dispose d'un tube plongeur solidaire d'un piston intégré à un tube de guidage fermé d'un côté. Ce piston peut varier de position sur un axe Y entrainant la montée ou la descente du tube plongeur. Une chambre hydraulique est formée par le piston et le tube de guidage du côté où celui-ci est fermé. Suivant le choix de mise en oeuvre de l'invention, la chambre hydraulique de l'adaptateur sera positionnée en dessous ou au-dessus du piston solidaire du tube plongeur. Cette première chambre hydraulique est connectée à une seconde chambre hydraulique déportée dans la cellule de remplissage. Selon un exemple de réalisation de l'invention, cette chambre hydraulique déportée fait partie d'un ensemble comprenant un vérin électrique qui actionne un piston qui fait ainsi varier le volume de ladite chambre déportée. En faisant varier ce volume, un mouvement de liquide va se créer entre la chambre hydraulique déportée et la chambre hydraulique de l'adaptateur de remplissage. Dans un exemple de mise oeuvre de l'invention avec la chambre de l'adaptateur située en dessous du piston solidaire du tube plongeur, un retrait du piston actionné par le vérin électrique va aspirer du liquide de la chambre de l'adaptateur entrainant le piston vers le bas de celle-ci. Le tube plongeur se retrouve alors en position basse prêt à remplir ou mettre à niveau le circuit fluidique. A l'inverse une poussée du piston actionné par le vérin va introduire du liquide dans la chambre de l'adaptateur obligeant le piston à remonter et avec lui le tube plongeur. Avantageusement, il est possible de faire varier la position du tube plongeur à une multitude de niveaux souhaités en déplaçant des fractions déterminées du volume de liquide entre les deux chambres.Thus, the invention has a filling adapter using a hydraulic drive to vary the height of the dip tube. The filling adapter is connected by a sheath to a filling cell which includes all the necessary elements and commonly used to allow the filling of fluidic circuits. This filling adapter, according to the invention, has a plunger tube integral with a piston integrated in a closed guide tube on one side. This piston can vary position on a Y axis causing the rise or fall of the dip tube. A hydraulic chamber is formed by the piston and the guide tube on the side where it is closed. According to the choice of implementation of the invention, the hydraulic chamber of the adapter will be positioned below or above the piston secured to the plunger tube. This first hydraulic chamber is connected to a second hydraulic chamber remote in the filling cell. According to an exemplary embodiment of the invention, this remote hydraulic chamber is part of an assembly comprising an electric jack which actuates a piston which thus varies the volume of said remote chamber. By varying this volume, a liquid movement will be created between the remote hydraulic chamber and the hydraulic chamber of the filling adapter. In an exemplary implementation of the invention with the adapter chamber located below the piston secured to the plunger tube, a withdrawal of the piston actuated by the electric cylinder will suck liquid from the chamber of the adapter driving the piston down from it. The dip tube is then in the low position ready to fill or level the fluid circuit. Conversely, a thrust of the piston actuated by the jack will introduce liquid into the adapter chamber causing the piston to rise and with it the dip tube. Advantageously, it is possible to vary the position of the dip tube at a multitude of desired levels by moving specific fractions of the volume of liquid between the two chambers.

Selon un mode de réalisation de l'invention, le liquide contenu dans les deux chambres est introduit par une connexion, comportant une vanne, sur la chambre hydraulique déportée dans la cellule de remplissage. En plus des fonctions de démarrage ou d'ajout d'un volume complémentaire de liquide, cette connexion permet également de purger et de renouveler, manuellement ou automatiquement, le liquide contenu dans les deux chambres pour garantir la qualité dudit liquide au niveau de la compressibilité mais également pour qu'il corresponde exactement aux caractéristiques du fluide de remplissage du circuit fluidique.According to one embodiment of the invention, the liquid contained in the two chambers is introduced by a connection, comprising a valve, on the hydraulic chamber offset in the filling cell. In addition to the functions of starting or adding a complementary liquid volume, this connection also makes it possible to purge and renew, manually or automatically, the liquid contained in the two chambers to guarantee the quality of said liquid in terms of compressibility. but also so that it corresponds exactly to the characteristics of the filling fluid of the fluidic circuit.

Selon un autre mode de réalisation de l'invention non limitatif, en plus de la force exercer par la succion du liquide dans la chambre de l'adaptateur de remplissage pour faire descendre le piston et le tube plongeur, il est possible d'utiliser l'écoulement du fluide vers le circuit à remplir, lors de la phase de remplissage ou de mise en pression r, pour exercer une force mécanique sur le piston ou le tube plongeur pour aider à la descente du tube plongeur.According to another embodiment of the nonlimiting invention, in addition to the force exerted by the suction of the liquid in the chamber of the filling adapter to lower the piston and the plunger tube, it is possible to use the flow of the fluid to the circuit to be filled, during the filling or pressurization phase r, for exert a mechanical force on the piston or the plunger tube to help the descent of the plunger tube.

Un premier niveau de contrôle du positionnement de l'extrémité du tube plongeur est obtenu par l'utilisation d'un vérin électrique pas à pas pour contrôler le déplacement du piston. A chaque pas correspond à une position du tube. Cependant, de manière à s'assurer du bon calibrage de l'adaptateur, une solution de contrôle complémentaire est associée à l'adaptateur de remplissage. Elle permet de s'assurer que les différentes hauteurs programmées par l'opérateur sont atteintes et, le cas échéant, de compenser les écarts observés par l'ajout ou le retrait de liquide dans le circuit hydraulique pour calibrer le système. Cette solution peut être soit embarquée dans l'adaptateur, soit non embarquée avec une mesure hors cycle de remplissage. Par exemple, un capteur de déplacement linéaire est solidaire du dispositif de raccrochage de l'adaptateur de remplissage sur sa console. Ce capteur détecte la position de l'extrémité du tube plongeur lorsque l'adaptateur est placé sur le dispositif de raccrochage. Selon le type de matériau utilisé pour le tube plongeur, un anneau magnétique peut être positionné sur l'extrémité du tube plongeur pour assurer sa détection. Lorsque l'adaptateur est raccroché sur la console, le vérin électrique s'actionne pour positionner le tube plongeur. Le détecteur linéaire détecte la hauteur du tube plongeur. Tout écart mesuré est pris en compte pour les futurs positionnements du tube plongeur ou pour lancer une procédure de réinitialisation. Ce détecteur permet également le contrôle du minimum et du maximum de la course du tube plongeur.A first level of control of the positioning of the end of the dip tube is obtained by the use of an electric stepping jack to control the displacement of the piston. At each step corresponds to a position of the tube. However, in order to ensure proper calibration of the adapter, an additional control solution is associated with the fill adapter. It makes it possible to ensure that the different heights programmed by the operator are reached and, if necessary, to compensate for the differences observed by adding or removing liquid in the hydraulic circuit to calibrate the system. This solution can be either embedded in the adapter or not embedded with an off-cycle measurement. For example, a linear displacement sensor is integral with the device for hanging up the filling adapter on its console. This sensor detects the position of the end of the dip tube when the adapter is placed on the hang-up device. Depending on the type of material used for the dip tube, a magnetic ring may be positioned on the end of the dip tube to ensure its detection. When the adapter is hung up on the console, the electric cylinder is actuated to position the dip tube. The linear detector detects the height of the dip tube. Any deviation measured is taken into account for future positioning of the dip tube or to initiate a reset procedure. This detector also allows the control of the minimum and maximum of the stroke of the dip tube.

L'invention a donc pour objet, selon un premier aspect, un adaptateur de remplissage d'un circuit fluidique par un fluide de remplissage, destiné à être connecté d'une part audit circuit fluidique et d'autre part à une cellule de remplissage.The object of the invention is therefore, according to a first aspect, an adapter for filling a fluidic circuit with a filling fluid, intended to be connected on the one hand to said fluidic circuit and on the other hand to a filling cell.

L'adaptateur comprend au moins un conduit apte à être relié à la cellule de remplissage et apte à aspirer du fluide de remplissage contenu dans, et à remplir de fluide de remplissage, le circuit fluidique, et un tube plongeur solidaire d'un piston axialement ajustable sur un axe Y dans un premier tube de guidage.The adapter comprises at least one duct capable of being connected to the filling cell and able to suck filler fluid contained in and filling with filling fluid, the fluidic circuit, and a plunger tube integral with a piston axially adjustable on a Y axis in a first guide tube.

Le tube plongeur présente une première et une deuxième extrémités et est relié par la première extrémité au conduit. Le piston forme avec le premier tube de guidage une première chambre disposée d'un des deux côtés du piston.The dip tube has first and second ends and is connected by the first end to the conduit. The piston forms with the first guide tube a first chamber disposed on one of the two sides of the piston.

La première chambre est apte à recevoir un liquide de transmission de mouvement par une ligne de transfert hydraulique en sorte de permettre, d'une part, par injection du liquide de transmission de mouvement dans la première chambre, le mouvement du tube plongeur, par l'intermédiaire du piston, dans une première direction, selon l'axe Y, de plongée dans le, ou de remontée du, circuit fluidique, et d'autre part, par aspiration du liquide de transmission de mouvement de la première chambre, le mouvement du tube plongeur, par l'intermédiaire du piston, dans une deuxième direction, selon l'axe Y, opposée à la première direction, de remontée du, ou de plongée dans le, circuit fluidique.The first chamber is adapted to receive a motion transmission fluid by a hydraulic transfer line so as to allow, on the one hand, by injection of the motion transmission liquid in the first chamber, the movement of the dip tube, by the intermediate piston, in a first direction, along the Y axis, dive into the, or upstream of the fluidic circuit, and secondly, by suction of the motion transmission liquid from the first chamber, the movement of the dip tube, via the piston, in a second direction, along the Y axis, opposite to the first direction, from the ascent of, or diving into the fluidic circuit.

Suivant certains modes de réalisation, l'adaptateur comprend en outre une ou plusieurs des caractéristiques suivantes, prise(s) isolément ou suivant toutes les combinaisons techniquement possibles :

  • la ligne de transfert hydraulique est apte à être connectée à une deuxième chambre, de préférence disposée dans l'unité de remplissage, apte à contenir du liquide de transmission de mouvement et dont le volume est ajustable au moyen d'un piston de transmission de mouvement, en sorte que lorsque les première et deuxième sont reliées par la ligne de transfert hydraulique, ces première et deuxième chambres et la ligne de transfert hydraulique constituent un volume fermé apte à être rempli du liquide de transmission de mouvement, et en sorte qu'un déplacement du piston de transmission de mouvement entraine un transfert du liquide de transmission de mouvement entre les première et deuxième chambres conduisant à un déplacement du tube plongeur par l'intermédiaire du piston dans la première ou deuxième direction selon l'axe Y ;
  • la ligne de transfert hydraulique est apte à être connectée à la deuxième chambre, en sorte que le déplacement du piston de transmission de mouvement permette d'ajouter à, ou de retirer de, la première chambre une quantité de liquide de transmission de mouvement pour positionner la deuxième extrémité du tube plongeur en une position quelconque entre deux positions extrêmes haute et basse selon l'axe Y, ou en l'une de ces deux positions extrêmes ;
  • la première chambre est formée par la portion du premier tube de guidage du côté du piston orienté vers la deuxième extrémité du tube plongeur ;
  • le conduit est relié au tube plongeur par le côté du piston opposé à la première chambre, de telle sorte que lors de la phase de remplissage du circuit fluidique, le fluide de remplissage exerce une pression mécanique sur le piston dans la direction de plongée du tube plongeur dans le circuit fluidique ;
  • la première chambre est formée par la portion du premier tube de guidage du côté du piston opposé au côté orienté vers la deuxième extrémité du tube plongeur ;
  • le tube plongeur est connecté au conduit par l'intermédiaire d'un deuxième tube de guidage fixe apte à guider le déplacement du tube plongeur et à assurer la continuité fluidique entre le conduit et le tube plongeur ;
  • le conduit est apte à aspirer un fluide de remplissage donné liquide contenu dans, et à remplir de ce fluide de remplissage donné, le circuit fluidique, et la première chambre est apte à recevoir, par la ligne de transfert hydraulique, un liquide de transmission de mouvement identique au fluide de remplissage donné.
According to some embodiments, the adapter further comprises one or more of the following features, taken individually or in any technically feasible combination:
  • the hydraulic transfer line is adapted to be connected to a second chamber, preferably arranged in the filling unit, adapted to contain movement transmission fluid and whose volume is adjustable by means of a motion transmission piston , so that when the first and second are connected by the hydraulic transfer line, these first and second chambers and the hydraulic transfer line constitute a closed volume capable of being filled with the motion transmission fluid, and that a movement of the motion transmission piston causes transfer of the motion transmission fluid between the first and second chambers leading to displacement of the dip tube through the piston in the first or second direction along the Y axis;
  • the hydraulic transfer line is adapted to be connected to the second chamber, so that the displacement of the motion transmission piston allows to add to or remove from the first chamber a quantity of motion transmission liquid to position the second end of the dip tube at any position between two extreme high and low positions along the Y axis, or in one of these two extreme positions;
  • the first chamber is formed by the portion of the first guide tube on the piston side facing the second end of the dip tube;
  • the conduit is connected to the dip tube by the side of the piston opposite the first chamber, so that during the filling phase of the fluidic circuit, the filling fluid exerts a mechanical pressure on the piston in the dive direction of the tube plunger in the fluidic circuit;
  • the first chamber is formed by the portion of the first guide tube on the side of the piston opposite the side facing the second end of the dip tube;
  • the plunger tube is connected to the conduit via a second fixed guide tube adapted to guide the displacement of the plunger tube and to ensure the fluidic continuity between the conduit and the plunger tube;
  • the conduit is adapted to suck a liquid filling fluid contained in, and to fill with this given filling fluid, the fluid circuit, and the first chamber is adapted to receive, by the hydraulic transfer line, a motion transmission fluid identical to the given filling fluid.

L'invention a également pour objet, selon un deuxième aspect, un procédé de remplissage d'un circuit fluidique par un fluide de remplissage, par un adaptateur tel que présenté ci-dessus, connecté d'une part audit circuit fluidique et d'autre part à une cellule de remplissage contenant le fluide de remplissage.The subject of the invention is also, according to a second aspect, a process for filling a fluidic circuit with a filling fluid, with an adapter as presented above, connected on the one hand to said fluid circuit and on the other part of a filling cell containing the filling fluid.

Un transfert de liquide de transmission de mouvement par une ligne de transfert hydraulique vers la première chambre entraîne le mouvement du tube plongeur, par l'intermédiaire du piston, dans une première direction, selon l'axe Y, de plongée dans le, ou de remontée du, circuit fluidique, et un transfert de liquide de transmission de mouvement par la ligne de transfert hydraulique depuis la première chambre entraîne le mouvement du tube plongeur, par l'intermédiaire du piston, dans une deuxième direction, selon l'axe Y, opposée à la première direction, de remontée du, ou de plongée dans le, circuit fluidique.A transfer of motion transmission fluid through a hydraulic transfer line to the first chamber causes the plunger tube to move, through the piston, in a first direction, along the Y axis, to dive into the, or to rising of the fluidic circuit, and a transfer of motion transmission liquid through the hydraulic transfer line from the first chamber causes the movement of the dip tube, via the piston, in a second direction along the Y axis, opposed to the first direction, ascending the, or diving into the fluidic circuit.

Suivant certains modes de mise en oeuvre, le procédé comprend en outre une ou plusieurs des caractéristiques suivantes, prise(s) isolément ou suivant toutes les combinaisons techniquement possibles :

  • la ligne de transfert hydraulique est connectée à une deuxième chambre, de préférence disposée dans l'unité de remplissage, contenant du liquide de transmission de mouvement et dont le volume est ajusté au moyen d'un piston de transmission de mouvement ; les première et deuxième chambres sont reliées par la ligne de transfert hydraulique, et constituent avec la ligne de transfert hydraulique un volume fermé rempli du liquide de transmission de mouvement ; et un déplacement du piston de transmission de mouvement entraine un transfert du liquide de transmission de mouvement entre les première et deuxième chambres conduisant à un déplacement du tube plongeur par l'intermédiaire du piston dans la première ou la deuxième direction selon l'axe Y ;
  • un déplacement du piston de transmission de mouvement permet d'ajouter à, ou de retirer de, la première chambre une quantité de liquide de transmission de mouvement pour positionner la deuxième extrémité du tube plongeur en une position entre deux positions extrêmes haute et basse selon l'axe Y, ou en l'une de ces deux positions extrêmes ;
  • à la fin d'une phase de remplissage du circuit fluidique, ou d'ajustement du niveau de remplissage du circuit fluidique, le tube plongeur est remonté à la position extrême haute par ajustement du volume de liquide de transmission de mouvement dans la première chambre ;
  • on ajoute dans, ou l'on retire de, la première chambre du liquide de transmission de mouvement, afin de placer la deuxième extrémité du tube plongeur à une position donnée en sorte d'obtenir l'ajustement du niveau de fluide de remplissage dans le circuit fluidique par aspiration ou par remplissage à la position donnée ;
  • on remplit le circuit fluidique d'un fluide de remplissage donné liquide, caractérisé en ce qu'on utilise un liquide de transmission de mouvement identique au fluide de remplissage donné.
According to certain embodiments, the method furthermore comprises one or more of the following characteristics, taken in isolation or in any technically possible combination:
  • the hydraulic transfer line is connected to a second chamber, preferably disposed in the filler unit, containing motion transmission fluid and whose volume is adjusted by means of a motion transmission piston; the first and second chambers are connected by the hydraulic transfer line, and constitute with the hydraulic transfer line a closed volume filled with the motion transmission fluid; and movement of the motion-transmitting piston causes transfer of the motion-transmitting fluid between the first and second chambers leading to displacement of the dip tube through the piston in the first or second direction along the Y-axis;
  • movement of the motion transmission piston enables to add to or remove from the first chamber a quantity of motion transmission liquid to position the second end of the dip tube at a position between two extreme high and low positions according to the Y axis, or in one of these two extreme positions;
  • at the end of a filling phase of the fluid circuit, or of adjusting the filling level of the fluid circuit, the dip tube is raised to the extreme high position by adjusting the volume of the motion-transmitting liquid in the first chamber;
  • the first chamber of the motion transmission liquid is added to, or removed from, the second end of the dip tube at a given position so as to obtain the adjustment of the level of the filling fluid in the chamber. fluid circuit by suction or filling at the given position;
  • the fluidic circuit is filled with a liquid filling fluid, characterized in that a motion-transmitting liquid identical to the given filling fluid is used.

Les caractéristiques et avantages de l'invention apparaitront à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple, et non limitative, en référence aux figures annexées suivantes :

  • figure 1 : représentation schématique d'un adaptateur de remplissage selon un premier exemple de réalisation, avec le plongeur représenté en position haute ;
  • figure 2 : représentation schématique d'un adaptateur de remplissage selon l'invention selon un deuxième exemple de réalisation comportant un deuxième tube de guidage pour le tube plongeur, celui-ci étant représenté en position haute ;
  • figure 3 : représentation schématique d'un adaptateur de remplissage selon le deuxième exemple de réalisation, le tube plongeur étant représenté en position intermédiaire basse ;
  • figure 4 : représentation schématique d'un troisième exemple de réalisation, le tube plongeur étant représenté en position haute ;
  • figure 5 : représentation schématique d'un quatrième exemple de réalisation, le tube plongeur étant représenté en position intermédiaire basse.
The features and advantages of the invention will appear on reading the description which follows, given solely by way of example, and not by way of limitation, with reference to the following appended figures:
  • figure 1 : schematic representation of a filling adapter according to a first embodiment, with the plunger shown in the upper position;
  • figure 2 schematic representation of a filling adapter according to the invention according to a second embodiment having a second guide tube for the dip tube, the latter being shown in the high position;
  • figure 3 schematic representation of a filling adapter according to the second embodiment, the dip tube being shown in the intermediate low position;
  • figure 4 : schematic representation of a third embodiment, the dip tube being shown in the upper position;
  • figure 5 : schematic representation of a fourth embodiment, the dip tube being shown in the intermediate low position.

Les exemples de réalisation et de mise en oeuvre de l'invention donnés dans la présente description concernent le secteur automobile mais ne sont en rien limitatifs puisque l'invention peut s'appliquer à tous les secteurs nécessitant le remplissage de fluides, notamment dans le secteur de l'énergie pour le remplissage des radiateurs électriques à fluide.The examples of embodiment and implementation of the invention given in the present description relate to the automotive sector but are in no way limiting since the invention can be applied to all sectors requiring the filling of fluids, especially in the sector. energy for filling the electric radiators with fluid.

La figure 1 présente, selon un exemple non limitatif de l'invention, un adaptateur 1 de remplissage de fluide 5 d'un circuit fluidique 2 ou réservoir. Ledit adaptateur de remplissage est relié à une cellule de remplissage 16 par une gaine (non représentée) contenant des liaisons fluidiques. L'adaptateur 1 de remplissage comprend un conduit 4 pour aspirer ou délivrer du gaz et/ou du fluide de remplissage 5.The figure 1 shows, according to a non-limiting example of the invention, an adapter 1 of fluid filling 5 of a fluid circuit 2 or reservoir. Said filling adapter is connected to a filling cell 16 by a sheath (not shown) containing fluidic connections. The filling adapter 1 comprises a duct 4 for sucking or delivering gas and / or filling fluid 5.

Ce conduit 4 est relié à une vanne pouvant à la demande laisser passer du gaz ou du liquide. Les fonctions d'aspiration et de remplissage peuvent être supportées par la cellule de remplissage 16. Le conduit 4 est relié à un tube plongeur 6, lui-même solidaire d'un piston 7 contenu dans un premier tube de guidage 9. Le piston se déplace sur un axe Y pour faire varier la position de l'extrémité 14 du tube plongeur 6.This duct 4 is connected to a valve that can on demand let gas or liquid. The suction and filling functions can be supported by the filling cell 16. The duct 4 is connected to a plunger tube 6, itself integral. a piston 7 contained in a first guide tube 9. The piston moves on a Y axis to vary the position of the end 14 of the dip tube 6.

Le premier tube de guidage 9 est ouvert mettant à l'air libre le côté supérieur du piston 7. La partie inférieure du piston 7 forme, avec le premier tube de guidage 9, une première chambre 8 hermétique. L'étanchéité de la première chambre 8 est assurée par des joints (non représentés) au niveau des passages des éléments mobiles sur le premier tube de guidage 9.The first guide tube 9 is open venting the upper side of the piston 7. The lower part of the piston 7 forms, with the first guide tube 9, a first sealed chamber 8. The sealing of the first chamber 8 is provided by seals (not shown) at the passages of the movable elements on the first guide tube 9.

La première chambre 8 est remplie d'un liquide 3 de transmission de mouvement. Ledit liquide 3 permet de déplacer le piston 7 dans le premier tube de guidage 9. La première chambre 8 est reliée par une ligne de transfert hydraulique 10 à une deuxième chambre 13 déportée dans la cellule de remplissage 16. Dans cet exemple de mise en oeuvre de l'invention, le volume de la deuxième chambre 13 est modifié par le déplacement d'un piston 11 de transmission de mouvement. Ledit piston 11 est actionné par un vérin électrique 12 pas à pas piloté par un système de contrôle.The first chamber 8 is filled with a liquid 3 for transmitting motion. Said liquid 3 makes it possible to move the piston 7 in the first guide tube 9. The first chamber 8 is connected by a hydraulic transfer line 10 to a second chamber 13 offset in the filling cell 16. In this example of implementation of the invention, the volume of the second chamber 13 is modified by the movement of a piston 11 of motion transmission. Said piston 11 is actuated by an electric jack 12 step by step controlled by a control system.

Sur cette figure 1, le tube plongeur 6 est représenté en position haute. Celle-ci est obtenue et maintenue par la poussée exercée par le vérin 12 électrique sur le piston 11. Lors de la phase de montée du tube plongeur 6, ledit piston 11 réduit la taille de la deuxième chambre 13 ce qui transfert du liquide de transmission de mouvement 3 à la première chambre 8. Par l'afflux de liquide 3 de transmission de mouvement dans la première chambre 8, le piston 7 remonte dans le premier tube de guidage 9. Il n'y a pas de résistance sur le piston 7 autre que la friction avec les parois du premier tube 9 de guidage. Le déplacement du piston 11 réalisé par le vérin 12 est proportionnel au volume de liquide 3 de transmission de mouvement nécessaire pour remplir la première chambre 8. Une fois ce volume déplacé, le vérin 12 est arrêté et le piston 7 ne bouge plus. Le liquide 3 de transmission de mouvement étant par nature incompressible et peu sensible à la température, la première chambre 8 ne change plus de volume et le piston 7 ne bouge plus.. L'extrémité 14 du tube plongeur est en position haute maximum H max.On this figure 1 , the plunger tube 6 is shown in the up position. This is obtained and maintained by the thrust exerted by the electric cylinder 12 on the piston 11. During the rising phase of the dip tube 6, said piston 11 reduces the size of the second chamber 13 which transfers transmission fluid movement 3 to the first chamber 8. By the influx of motion transmission liquid 3 in the first chamber 8, the piston 7 rises in the first guide tube 9. There is no resistance on the piston 7 other than the friction with the walls of the first guide tube 9. The displacement of the piston 11 produced by the jack 12 is proportional to the volume of the motion transmission liquid 3 necessary to fill the first chamber 8. Once this volume has been displaced, the jack 12 is stopped and the piston 7 stops moving. Since the motion transmission liquid 3 is inherently incompressible and insensitive to temperature, the first chamber 8 no longer changes its volume and the piston 7 does not move any longer. The end 14 of the dip tube is in the maximum high position H max. .

La figure 2 représente une variante de réalisation de l'adaptateur 1 de remplissage décrit précédemment selon l'invention, utilisant un deuxième tube 15 de guidage du tube plongeur 6. Le tube plongeur 6 est représenté en position haute H max. Le conduit 4 est relié au deuxième tube 15 de guidage permettant la continuité fluidique entre le conduit 4 et le tube plongeur 6. Le piston 7 et le tube plongeur 6 coulissent le long de ce deuxième tube 15 de guidage. Cette solution permet d'éviter les mouvements du conduit 4 lors de la montée et la descente du tube plongeur 6.The figure 2 represents an alternative embodiment of the filling adapter 1 described above according to the invention, using a second tube 15 for guiding the plunger tube 6. The plunger tube 6 is represented in the high position H max. The conduit 4 is connected to the second guide tube 15 allowing fluidic continuity between the conduit 4 and the plunger tube 6. The piston 7 and the plunger tube 6 slide along the second guide tube 15. This solution makes it possible to avoid the movements of the duct 4 during the raising and lowering of the plunger tube 6.

La figure 3 illustre l'adaptateur 1 de remplissage selon la variante de réalisation de l'invention précédemment décrite en référence à la figure 2, le tube plongeur étant en position intermédiaire basse H3. Pour le passage de la position haute maximum H max à la position intermédiaire H3, le vérin électrique 12 tire sur le piston 11 de transmission de mouvement. La deuxième chambre 13 augmente de volume et aspire le liquide 3 de transmission de mouvement provenant de la première chambre 8 de l'adaptateur 1 de remplissage.The figure 3 illustrates the filling adapter 1 according to the embodiment variant of the invention described above with reference to FIG. figure 2 , the dip tube being in intermediate low position H3. For the passage from the maximum high position H max to the intermediate position H3, the electric cylinder 12 pulls on the piston 11 of motion transmission. The second chamber 13 increases in volume and sucks the motion transmission liquid 3 coming from the first chamber 8 of the filling adapter 1.

Par cet effet de succion ou d'aspiration, le volume de la première chambre 8 diminue et entraine le piston 7 vers le bas. Lorsque le vérin 12 arrête le déplacement du piston 11, le transfert de liquide 3 de transmission de mouvement s'interrompt et le piston 7 arrête également sa course. L'extrémité 14 du tube plongeur 6 se retrouve alors en position intermédiaire H3.By this suction or suction effect, the volume of the first chamber 8 decreases and drives the piston 7 downwards. When the cylinder 12 stops the displacement of the piston 11, the transfer of liquid 3 of motion transmission is interrupted and the piston 7 also stops its travel. The end 14 of the plunger tube 6 is then in the intermediate position H3.

Le cycle de remplissage ou de mise à niveau commence. La séquence de remplissage peut, par exemple, prévoir le remplissage rapide mais en surplus du niveau H3 dans le circuit 2 fluidique. Ensuite une phase d'aspiration du fluide de remplissage 5 par le tube plongeur 6 vient mettre le circuit fluidique 2 au niveau intermédiaire H3.The fill or upgrade cycle begins. The filling sequence may, for example, provide fast filling but surplus H3 level in the fluidic circuit 2. Then a suction phase of the filling fluid 5 by the plunger tube 6 puts the fluid circuit 2 at the intermediate level H3.

En fin de mise à niveau, le vérin 12 électrique repousse le liquide 3 de transmission de liquide vers l'adaptateur 1 de remplissage pour remonter le tube plongeur en position haute H max, en passant par les positions intermédiaires H2 et H1.At the end of the leveling up, the electric jack 12 pushes the liquid transmission liquid 3 towards the filling adapter 1 in order to raise the dip tube to the high position H max, passing through the intermediate positions H2 and H1.

La figure 4 est une représentation d'une autre variante de mise en oeuvre, non limitative, de l'invention. Dans cette variante, le premier tube 9 de guidage de l'adaptateur 1 de remplissage est fermé et le conduit 4 est relié au tube plongeur 6 par l'espace supérieur délimité par le premier tube 9 de guidage et le piston 7.The figure 4 is a representation of another implementation variant, not limiting, of the invention. In this variant, the first tube 9 for guiding the filling adapter 1 is closed and the duct 4 is connected to the plunger tube 6 by the upper space delimited by the first guide tube 9 and the piston 7.

Après ou pendant la phase de descente du tube plongeur 6, décrite précédemment, le piston 7 est poussé mécaniquement par l'afflux de fluide de remplissage 5. Dans ce cas, il s'agit d'une sécurité supplémentaire pour s'assurer que le tube plongeur 6 descende en position de remplissage. Cela permet également d'accélérer la descente du tube plongeur 6 et ainsi de gagner du temps sur la durée du cycle de remplissage du circuit fluidique 2. Pour bénéficier d'une bonne poussée sans générer trop de perte de charge sur l'écoulement du fluide de remplissage 5, la face supérieure dudit piston 7 peut avoir avantageusement une forme concave.After or during the descent phase of the dip tube 6, described above, the piston 7 is pushed mechanically by the influx of filling fluid 5. In this case, it is an additional security to ensure that the plunger tube 6 goes down to the filling position. This also makes it possible to accelerate the descent of the plunger tube 6 and thus save time over the duration of the filling cycle of the fluidic circuit 2. To benefit from a good thrust without generating too much loss of pressure on the flow of the fluid 5, the upper face of said piston 7 may advantageously have a concave shape.

La figure 5 présente un dernier exemple de réalisation de l'invention proposant de positionner l'espace à l'air libre du premier tube de guidage 9 en dessous du piston 7, et donc la première chambre 8 au-dessus du piston 7. Le système de pilotage est alors inversé par rapport aux exemples présentés plus haut. Dans cet exemple de réalisation, le vérin 12 pousse le piston 11 de transmission de mouvement pour faire descendre le tube plongeur 6 de l'adaptateur 1 de remplissage. La première chambre 8 se remplit alors de liquide 3 de transmission de mouvement qui pousse le piston 7 vers le bas.The figure 5 presents a last embodiment of the invention proposing to position the space in the open air of the first guide tube 9 below the piston 7, and therefore the first chamber 8 above the piston 7. The control system is then reversed compared to the examples presented above. In this embodiment, the cylinder 12 pushes the piston 11 of motion transmission to lower the dip tube 6 of the adapter 1 of filling. The first chamber 8 then fills with liquid 3 of motion transmission which pushes the piston 7 downwards.

A la fin du cycle de remplissage, le tube plongeur 6 remonte en position d'origine. Le mouvement du piston 7 vers le haut est généré par le recul du vérin 12 électrique inversant le transfert du liquide de transmission de mouvement 3 de la première chambre 8 vers la deuxième chambre 13.At the end of the filling cycle, the plunger tube 6 rises to its original position. The upward movement of the piston 7 is generated by the recoil of the electric jack 12 reversing the transfer of the motion-transmitting liquid 3 from the first chamber 8 to the second chamber 13.

De manière avantageuse, le liquide 3 de transmission de mouvement est identique au fluide 5 de remplissage, qui est donc également liquide, ou bien est un fluide d'un type compatible avec celui-ci. Ainsi, en cas de fuite, le liquide 3 de transmission de mouvement peut se mélanger au fluide de remplissage 5 sans risque de diminution de qualité de celui-ci.Advantageously, the motion transmission liquid 3 is identical to the filling fluid, which is therefore also liquid, or is a fluid of a type compatible with the latter. Thus, in case of leakage, the motion transmission liquid 3 can mix with the filling fluid 5 without any risk of reducing the quality of the latter.

Pour s'assurer du bon positionnement du tube plongeur 6, des capteurs de déplacement linéaire, par exemple des détecteurs photoélectriques ou des capteurs laser, sont intégrés à l'adaptateur ou disposés sur le dispositif de raccrochage de l'adaptateur sur sa console.To ensure proper positioning of the dip tube 6, linear displacement sensors, for example photoelectric sensors or laser sensors, are integrated in the adapter or disposed on the hookup device of the adapter on its console.

La détection du positionnement est alors réalisée pendant et/ou après l'utilisation de l'adaptateur 1 de remplissage. Cela permet par exemple de calibrer la hauteur de positionnement du tube plongeur 6 et au besoin compléter le volume de liquide 3 de transmission de mouvement dans les première et deuxième chambres 8 et 13 par une connexion au niveau de la deuxième chambre 13.Position detection is then performed during and / or after the use of the filling adapter 1. This makes it possible, for example, to calibrate the positioning height of the plunger tube 6 and, if necessary, to supplement the volume of the motion-transmitting liquid 3 in the first and second chambers 8 and 13 by a connection at the level of the second chamber 13.

De manière non limitative, les exemples décrits ci-dessus utilisent un vérin 12 électrique pour faire varier le volume de la deuxième chambre 13 mais il est possible d'utiliser tout autre type d'équipement ayant la même fonction. Cet équipement peut être à réglage manuel, avec par exemple un calibrage d'une profondeur pour un batch de production, ou totalement automatique, avec par exemple une adaptation automatique par un automate programmable industriel.Without limitation, the examples described above use an electric jack 12 to vary the volume of the second chamber 13 but it is possible to use any other type of equipment having the same function. This equipment can be manually adjusted, for example with a calibration of a depth for a production batch, or fully automatic, with for example an automatic adaptation by an industrial programmable controller.

Selon une variante du mode de réalisation de l'invention représentée sur la figure 5, un système de remontée du tube 15 et du piston 7 en position initiale, c'est-à-dire en butée, est ajouté. Cela peut être avantageux, notamment lorsque la hauteur manométrique est supérieure à 3 m entre l'adaptateur 1 de remplissage et la cellule de remplissage 16.According to a variant of the embodiment of the invention shown in the figure 5 a raising system of the tube 15 and the piston 7 in the initial position, that is to say in abutment, is added. This can be advantageous, especially when the head is greater than 3 m between the filling adapter 1 and the filling cell 16.

Pour cela, on utilise un système pneumatique direct et alternatif à deux positions, libre ou sous pression. Le système de remontée est connu en lui-même de l'homme du métier. Le système de remontée injecte du gaz comprimé dans une troisième chambre (non représentée) définie par la partie inférieure du premier tube de guidage 9 et la partie inférieure du piston 7. Ainsi, le tube plongeur 6 est positionné en hauteur entre H max et H min incluse, grâce au transfert de liquide de transmission de mouvement 3 vers, ou de, la première chambre 8', sans utilisation du système de remontée. Le système de remontée laisse libre la troisième chambre. Lorsque le tube plongeur 6 doit être remonté, le vérin 12 actionne le piston 11, qui aspire le liquide de transmission de mouvement 3 de la première chambre 8. Pour s'assurer que le tube plongeur 6 remonte rapidement, le système de remontée injecte du gaz comprimé dans la troisième chambre, ce qui fait remonter le piston 7 en butée, c'est-à-dire en position H max.For this, we use a direct and alternative pneumatic system with two positions, free or under pressure. The lift system is known in itself to those skilled in the art. The lift system injects compressed gas into a third chamber (not shown) defined by the lower part of the first guide tube 9 and the lower part of the piston 7. Thus, the plunger tube 6 is positioned in height between H max and H min included, thanks to transfer of motion transmission fluid 3 to, or of, the first chamber 8 ', without using the lift system. The lift system leaves the third chamber free. When the plunger tube 6 is to be reassembled, the cylinder 12 actuates the piston 11, which sucks the motion transmission liquid 3 from the first chamber 8. To ensure that the plunger tube 6 rises rapidly, the lift system injects the compressed gas in the third chamber, which raises the piston 7 in abutment, that is to say in position H max.

Claims (14)

  1. An adapter (1) for filling a fluidic circuit (2) with a filling fluid (5), intended to be connected on the one hand to said fluidic circuit (2) and on the other hand to a filling cell (16), the adapter (1) comprising at least one conduit (4) able to be connected to the filling cell (16) and able to suck up filling fluid (5) contained in, and to fill with filling fluid (5), the fluidic circuit (2) and a plunger tube (6) secured to a piston (7) axially adjustable on an axis (Y) in a first guiding tube (9), said plunger tube (6) having first and second ends (14) and being connected through the first end to the conduit (4), said piston (7) forming with the first guiding tube (9) a first chamber (8) positioned on one of the two sides of the piston (7),
    characterized in that the first chamber (8) is able to receive a movement transmission liquid (3) via a hydraulic transfer line (10) so as to allow, on the one hand, by injection of the movement transmission liquid (3) into the first chamber (8), the movement of the plunger tube (6), via the piston (7), in a first direction, along the axis (Y), for plunging into, or for moving upwards the fluidic circuit (2), and on the other hand, by suction of the movement transmission liquid (3) from the first chamber (8), the movement of the plunger tube (6), via the piston (7), into a second direction, along the axis (Y), opposite to the first direction, for moving upwards, or plunging into the fluidic circuit (2).
  2. The adapter (1) according to claim 1, characterized in that the hydraulic transfer line (10) is able to be connected to a second chamber (13), preferably positioned in the filling unit (16), able to contain the movement transmission liquid (3) and of which the volume is adjustable by means of a piston (11) for movement transmission, so that
    - when the first and second chambers (8, 13) are connected by the hydraulic transfer line (10), these first and second chambers (8, 13) and the hydraulic transfer line (10) form a closed volume able to be filled with the movement transmission liquid (3); and that
    - a displacement of the movement transmission piston (11) causes a transfer of the movement transmission liquid (3) between the first and second chambers (8, 13) leading to a displacement of the plunger tube (6) via the piston (7) in the first or second direction along the axis (Y).
  3. The adapter (1) according to claim 2, characterized in that the hydraulic transfer line (10) is able to be connected to the second chamber (13), so that the displacement of the movement transmission piston (11) gives the possibility of adding to or withdrawing from the first chamber (8) an amount of the movement transmission liquid (3) for positioning the second end (14) of the plunger tube (6) in any position (H1, H2, H3) between two upper and lower extreme positions (Hmax, Hmin) along the axis (Y), or in one of these two extreme positions (Hmax, Hmin).
  4. The adapter (1) according to any of claims 1 to 3, characterized in that the first chamber (8) is formed by the portion of the first guiding tube (9) on the side of the piston (7) oriented towards the second end (14) of the plunger tube (6).
  5. The adapter (1) according to claim 4, characterized in that the conduit (4) is connected to the plunger tube (6) by the side of the piston (7) opposite to the first chamber (8), so that during the filling phase of the fluidic circuit (2), the filling fluid (5) exerts mechanical pressure on the piston (7) in the plunging direction of the plunger tube (6) in the fluidic circuit (2).
  6. The adapter (1) according to any of claims 1 to 3, characterized in that the first chamber (8) is formed by the portion of the first guiding tube (9) on the side of the piston (7) opposite to the side oriented towards the second end (14) of the plunger tube (6).
  7. The adapter (1) according to any of claims 1 to 6, characterized in that the plunger tube (6) is connected to the conduit (4) via a fixed second guiding tube (15), able to guide the displacement of the plunger tube (6) and to ensure fluidic continuity between the conduit (4) and the plunger tube (6).
  8. The adapter (1) according to any of claims 1 to 7, characterized in that the conduit (4) is able to suck up a given liquid filling fluid (5) contained in the fluidic circuit (2), and to fill the fluidic circuit (2) with this given filling fluid (5), and in that the first chamber (8) is able to receive, via the hydraulic transfer line (10), a movement transmission liquid (3) identical with the given filling fluid (5).
  9. A method for filling a fluidic circuit (2) with a filling fluid (5), through an adapter (1) according to any of the preceding claims, connected on the one hand to said fluidic circuit (2) and on the other hand to a filling cell (16) containing the filling fluid (5), characterized in that a transfer of the movement transmission liquid (3) through a hydraulic transfer line (10) towards the first chamber (8) causes the movement of the plunger tube (6), via the piston (7), in a first direction, along the axis (Y) for plunging into, or moving upwards of, the fluidic circuit (2), and in that a transfer of the movement transmission liquid (3) through the hydraulic transfer line (10) from the first chamber (8) causes the movement of the plunger tube (6), via the piston (7), in a second direction, along the axis (Y), opposite to the first direction, for moving upwards, or plunging into, the fluidic circuit (2).
  10. The method according to claim 9, characterized in that the hydraulic transfer line (10) is connected to a second chamber (13), preferably positioned in the filling unit (16), containing movement transmission liquid (3) and of which the volume is adjusted by means of a movement transmission piston (11), and in that
    - the first and second chambers (8, 13) are connected by the hydraulic transfer line (10), and form with the hydraulic transfer line (10) a closed volume filled with movement transmission liquid (3); and
    - a displacement of the movement transmission piston (11) causes a transfer of the movement transmission liquid (3) between the first and second chambers (8, 13) leading to a displacement of the plunger tube (6) via the piston (7) in the first or the second direction along the axis (Y).
  11. The method according to claim 10, characterized in that a displacement of the movement transmission piston (11) gives the possibility of adding, or withdrawing, from the first chamber (8) an amount of the movement transmission liquid (3) for positioning the second end (14) of the plunger tube (6) in any position (H1, H2, H3) between two upper and lower extreme positions (Hmax, Hmin) along the axis (Y), or in one of these two extreme positions (Hmax, Hmin).
  12. The method according to claim 11, characterized in that at the end of a filling phase of the fluidic circuit (2), or of an adjustment phase of the filling level of the fluidic circuit (2), the plunger tube (6) is moved upwards to the upper extreme position (Hmax) by adjusting the volume of movement transmission liquid (3) in the first chamber (8).
  13. The method according to any of claims 9 to 12, characterized in that the movement transmission liquid (3) is added into, or withdrawn from, the first chamber (8), in order to place the second end (14) of the plunger tube (6) in a given position (H3) so as to obtain the adjustment of the filling fluid level (5) in the fluidic circuit (2) by suction or by filling at the given position (H3).
  14. The method according to any of claims 9 to 13, wherein the fluidic circuit (2) is filled with a given liquid filling fluid (5), characterized in that a movement transmission liquid (3) is used and is identical with the given filling fluid (5).
EP16705120.0A 2015-02-16 2016-02-16 Adapter and method for filling a fluidic circuit Active EP3259226B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1551279A FR3032699B1 (en) 2015-02-16 2015-02-16 ADAPTER AND METHOD FOR FILLING A FLUID CIRCUIT
PCT/EP2016/053285 WO2016131836A1 (en) 2015-02-16 2016-02-16 Adapter and method for filling a fluidic circuit

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EP3259226A1 EP3259226A1 (en) 2017-12-27
EP3259226B1 true EP3259226B1 (en) 2019-04-03

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US (1) US10464804B2 (en)
EP (1) EP3259226B1 (en)
CN (1) CN107428522B (en)
FR (1) FR3032699B1 (en)
WO (1) WO2016131836A1 (en)

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CN107428522B (en) 2019-04-12
US10464804B2 (en) 2019-11-05
EP3259226A1 (en) 2017-12-27
FR3032699B1 (en) 2017-03-10
FR3032699A1 (en) 2016-08-19
CN107428522A (en) 2017-12-01
US20180057346A1 (en) 2018-03-01
WO2016131836A1 (en) 2016-08-25

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