EP2705257B1 - Dispositif de séparation de media, en particulier accumulateur hydraulique, y compris appareil de mesure correspondant et méthode de mesure - Google Patents

Dispositif de séparation de media, en particulier accumulateur hydraulique, y compris appareil de mesure correspondant et méthode de mesure Download PDF

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Publication number
EP2705257B1
EP2705257B1 EP12715598.4A EP12715598A EP2705257B1 EP 2705257 B1 EP2705257 B1 EP 2705257B1 EP 12715598 A EP12715598 A EP 12715598A EP 2705257 B1 EP2705257 B1 EP 2705257B1
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Prior art keywords
media
sensor element
measuring method
medium
measuring
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EP12715598.4A
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German (de)
English (en)
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EP2705257A1 (fr
Inventor
Matthias Leo JIRGAL
Horst Mannebach
Martin Groben
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Hydac Technology GmbH
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Hydac Technology GmbH
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
    • F15B1/16—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means in the form of a tube
    • F15B1/165—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means in the form of a tube in the form of a bladder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/20—Accumulator cushioning means
    • F15B2201/205—Accumulator cushioning means using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3152—Accumulator separating means having flexible separating means the flexible separating means being bladders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/50—Monitoring, detection and testing means for accumulators

Definitions

  • the invention relates to a media separating device, in particular a hydraulic accumulator, with the features in the preamble of claim 1.
  • the invention further relates to a measuring device, also designed as a conversion or retrofit kit, as well as a measuring method for operating the measuring device in the media separating device.
  • Media and in particular flowable media in the context of the present invention are frequently used in drive technology, for example as lubricants and / or coolants or as pressure medium in hydraulic systems for the transmission of energy from a pressure medium source to a consumer.
  • Flowable media such as hydraulic oil or other pressurized fluids, are here among other things in media separation devices, such as hydraulic accumulators that perform a variety of tasks in hydraulic systems and energy storage, providing a fluid reserve, the emergency operation of consumers, the pressure shock absorption and the like serve more.
  • a safe and proper operation of a hydraulic system requires in addition to the knowledge of physical operating parameters, such as pressure or flow rates, also a statement about whether the media separation device itself is trouble-free and reliable in operation.
  • the DE 101 52 777 A1 describes a device for determining the quality of a medium, in particular a lubricant and / or coolant, with a plurality of sensors which emit an electrical output signal depending on the respective sensor-specific input variable, wherein a sensor is a temperature sensor which emits an output signal substantially has only a dependence on the temperature of the medium and in particular is substantially independent of the quality of the medium. Another sensor emits an output signal that depends on both the quality of the medium and the temperature of the medium.
  • the sensors used are arranged on a common submerged in the respective medium to be examined substrate. The device designed in this way makes it possible to determine quality-determining parameters of fluid media, regardless of their current temperature.
  • the DE 10 2009 010 775 A1 describes a media separating device in the form of a hydraulic accumulator for receiving at least a partial volume of a pressurized liquid, wherein the hydraulic accumulator has a housing with at least one connection point for connecting the hydraulic accumulator to a hydraulic device, such as a hydraulic circuit.
  • a data memory is part of the hydraulic accumulator such that the data stored in the data memory are electronically readable by means of a reading and / or writing device arranged outside the hydraulic accumulator.
  • the operating state of the hydraulic accumulator can therefore be reliably determined and monitored, preferably the monitoring can also be carried out automatically and controlled by a control device.
  • the US 4,788,851 discloses a media separating device, in particular a hydraulic accumulator, with a movable separating device for separating two media which are accommodated in mutually different media spaces, wherein by means of a measuring device a passage of at least one medium of a media space on the separating device in the other media space with the other medium is detectable, wherein the measuring device has at least one sensor element, and wherein the respective sensor element has a connection to a detent with respect to at least one of the media spaces.
  • the sensor element is an optical sensor which projects into the interior of the one media space.
  • a separator used in the known solution is a bubble-like elastomeric membrane, which separates two media spaces from one another within the storage housing, wherein a media space as a medium preferably a compressible working gas, such as nitrogen gas, and the other media space is via the junction in the storage housing with hydraulic fluid as another pressurized medium, coming from the hydraulic device, filled.
  • the filling takes place against the compression force of the working gas, wherein the elastomeric separator "contracts" and moves so far.
  • the separating device If hydraulic fluid is required again on the hydraulic device side, the separating device "relaxes" and, under the effect of the compressive force of the working gas, the required amount of fluid is pushed out of the reservoir housing via the connection point, whereby a partial fluid quantity regularly remains in the reservoir. Due to the permeability of the membrane material it comes in the long term to an unwanted transfer of hydraulic fluid to the so-called. Gas side of the hydraulic accumulator, which can happen abruptly in case of failure of the separation membrane, for example, by crack or fracture with the result that the "working capacity" of the hydraulic accumulator is impaired or even completely fails within the hydraulic circuit, which can significantly disrupt the operation of a hydraulic system or even impossible.
  • the present invention seeks to provide a media separating device, in particular in the form of a hydraulic accumulator, which is able to increase the reliability in a position to detect the incidents described above with little components cost and promptly and to the Operator of the hydraulic system to which such hydraulic accumulators are regularly connected.
  • connection takes place via at least one flexible cable connection, and that the respective cable is electrically conductively connected at its one end to the respective sensor element and is connected at its other end to the lock on parts of the storage housing.
  • a passage of at least one medium of a media space of the media separating device via the separating device in the other media space with the respective other medium is detectable.
  • the measuring device is advantageously effected that preferably in any type of media separation device at least the presence and optionally the type of a flowable medium is easily detectable as soon as at least one of the two media unintentionally transferred from its traditional media space in the other media space.
  • the detection of flowable media can serve, in particular, as a prerequisite for the application of safety functions or the functionally reliable control of operating sequences even in complex hydraulic systems.
  • the sensor element can determine the media transfer via the separating device using a thermal and / or chemical and / or physical and / or optical and / or acoustic and / or electrical measuring method.
  • the lock adjacent the end of the cable connection is connected to a connector part, which also preferably comprises an evaluation with.
  • a media separating device with a measuring device for detecting a transfer of at least one medium of a media space on the separating device in the other media space with the other medium is created in a particularly compact and inexpensive manner.
  • the media separating device is formed in a preferred embodiment as a hydraulic accumulator in the manner of a bladder accumulator with a flexible bladder as a separator.
  • the respective sensor element is arranged on the formed as a gas side media space within the storage housing of the hydraulic accumulator.
  • the additional media space of the hydraulic accumulator forms the fluid side.
  • Other types of media separating devices in particular in the form of hydraulic accumulators, such as bellows accumulators, diaphragm accumulators or piston accumulators, can in principle be equipped with the relevant measuring device according to the invention.
  • the measuring device designed as a conversion or retrofit kit in this case has at least one sensor element and a cable connection as well as evaluation electronics and preferably a separating device.
  • the measuring device designed as a conversion or retrofit kit has at least one sensor element and a cable connection as well as evaluation electronics and preferably a separating device.
  • a measuring method for operating the measuring device in a media separating device can be advantageously designed as a thermal measuring method, wherein the thermal conductivity of a medium in a media space of the media separating device is used for evaluation, wherein provided by at least one heating element sensor element required for a defined increase in temperature of the medium heat output is determined. Also, the temperature increase of the medium in the media room can be determined using a defined heat output.
  • it is preferable to use a transient Schudrahtmethode wherein a heating wire in the sensor element serves both as a heat source and as a temperature sensor.
  • a thin film resistor can also be used on a ceramic substrate.
  • the thin-film resistor is connected as a branch of a Wheatstone bridge.
  • a supply voltage of the Wheatstone bridge can be pulsed and the rise of the bridge signal, ie the temperature rise, can be analyzed by the evaluation device.
  • the measuring method may also be advantageous to design the measuring method as an optical measuring method and in this case preferably to determine the luminescence of the medium in the respective media space.
  • an optical measuring method can also be used, with the attenuation and reflection properties of the respectively transferred medium being optically drawn for the evaluation.
  • an electrical measuring method is preferably the electrical conductivity in case of unwanted transfer of the one medium into the other medium.
  • This measuring method is particularly suitable if the media used in the media separating device do not represent insulators. It may also be advantageous to use the dielectric properties of the respective medium for evaluation. It can also be advantageous to use a chemical measuring method, in which case in particular those measuring methods may be used in which at least part of the sensor element changes on contact with the respective other medium due to a chemical or physical reaction. Such changes may be a detectable swelling or even a dissolution of at least part of the sensor element. Color changes due to the chemical reaction of the medium with a part of the sensor element can also be utilized in order to detect the passage of a medium of one media space via the separating device into the other media space with the other medium.
  • a media separation device 1 in the form of a hydraulic accumulator 3 with a movable separator 5 for separating two media 7, 9 shown.
  • the media 7, 9 are accommodated in mutually different media spaces 11, 13, wherein the movable separating device 5, the media spaces 11, 13 media-tightly separated from each other.
  • a total of 15 designated measuring device serves to detect an unwanted transfer of the medium 9 from the media room 13 via the separator 5 in the other media space 11 with the other medium 7.
  • the hydraulic accumulator 3 is designed in the manner of a bladder accumulator 35 and has a flexible bladder 37 made of elastomer material consisting of a separator 5.
  • the hydraulic accumulator 3 is used to receive a gaseous medium 7 in the form of a working gas, in particular in the form of nitrogen gas, and the inclusion of a further fluid medium 9; in the present case consisting of hydraulic fluid.
  • the pertinent media 7, 9 may well be under a pressure of up to 600 bar and more.
  • a sensor element 17 is arranged on the gas chamber 39 formed as a gas space 11 inside a storage housing 27 of the hydraulic accumulator 3, wherein the further media space 13 forms within the storage housing 27 already mentioned fluid side 41 of the hydraulic accumulator 3.
  • a poppet valve 44 which is inserted into the fluid connection opening 45 of the hydraulic accumulator 3, is used in the conventional design.
  • the hydraulic accumulator 3 can be connected to further hydraulic devices (not shown), for example in the form of a hydraulic circuit or the like, in a fluid-conducting manner.
  • connection port 47 On the opposite side to the connection opening 45 and in the direction of the Fig. 1 seen above the storage housing 27 is a further connection port 47 as part of a Aufschraubbauteils 49, via which the hydraulic accumulator 3 can be regularly filled on its gas side 39 with working gas or refilled.
  • the pertinent structure of hydraulic accumulators 3 is common and already in an advance notification ( DE 10 2006 004 120 A1 ) described in more detail by the Applicant and incidentally in a variety of embodiments on the market freely available, so that will not be discussed in more detail here at this point.
  • a compressible foam can also be used in addition or alternatively in the media space 11 as a medium or compressible packing, such as hollow foam body (not shown) and the like.
  • the introduced into the media room 11 medium 7 is formed from the pertinent materials.
  • the shows Fig. 1 already the situation of a so-called. Bubble break, in the unintentionally fluid 9 is changed from the media room side 13 on the gas media room side 11 with the working gas 7, so that at the bottom of the elastomer bladder already the fluid 9 has accumulated, which then via the measuring device 15 with the Sensor element 17 is detectable, which will be explained in more detail below.
  • the measuring device 15 with the sensor element 17 serves to determine the unwanted described media transfer using a thermal and / or chemical and / or physical and / or optical and / or acoustic and / or electrical measuring method.
  • the respective sensor element 17 has a connection 19 to the storage housing 27 via a lock 21, relative to the media space 11 such that in each occupied position of the separating device 5, the sensor element 17 can be brought into contact with the transferred medium 9.
  • the connection 19 is carried out via at least one flexible cable connection 23, wherein the respective cable 25 is electrically conductively connected at its one end 29 to the respective sensor element 17 and with its other end 30 via the lock 21 of the storage housing 27 with parts of an evaluation 33.
  • the terminal 21 adjacent end 30 of the cable connection 23 is so far connected to a connector part 31, in which the evaluation electronics 33 for evaluating measurement signals of the sensor element 17 is integrated.
  • the measuring device 15 is for use in a media separating device 1 from at least the sensor element 17, the cable connection 23, the transmitter 33 and preferably the separator 5.
  • the retrofit kit described already delivered hydraulic accumulator can be retrofitted with the measuring device 15 together with transmitter 33 by simply exchanging the flexible reservoir bladder for a new bladder 37, which has the measuring and evaluation electronics integrated.
  • the accumulator bladder may remain in the hydraulic accumulator 3, and to that extent only the measuring and evaluation electronics then have to be additionally introduced into the hydraulic accumulator 3.
  • the invention can also be used in piston accumulators, in which the separating device 5 is formed from a relative to the storage housing wall sealed Verfahrkolben, via the sealing systems also fluid from the fluid side to the gas side of the memory can unintentionally change, which also applies in the case that a seal of the piston completely failed.
  • the associated sensor element 17 can detect the unwanted crossing always at the lowest travel position of the piston.
  • the same considerations apply to the mentioned bladder accumulator as well as to further storage solutions, such as bellows, spring or diaphragm accumulators, in which the solution according to the invention can also be used to detect the unwanted passage of media.
  • the mentioned evaluation electronics 33 can furthermore have an output unit based on an electrical, optical, acoustic or haptic function and, according to the proposed solution, according to the Fig. 1 located directly on the hydraulic accumulator 3 within a kind of plug part 31. But via a corresponding cable or other information connection can also be the transmitter to a central Arrange, for example, within an overall control, which is then able to optionally monitor several hydraulic accumulators within an overall hydraulic system to the unwanted media transfer out to indicate a failure case the operator of the system.
  • the measuring device 15 shown is capable of detecting the change in the thermal conductivity, in particular of the medium 7 located on the gas side 39, upon entry of the medium 9.
  • the measuring device 15 has a resistance measuring bridge 51 formed in the manner of a Wheatstone bridge.
  • a bridge branch 53 designed as a heating resistor 55 sensor element 17 is arranged.
  • the resistance measuring bridge 51 is supplied with a pulsed operating voltage V. At the time of switching on the power supply, the resistance measuring bridge 51 is adjusted.
  • the bridge center differential voltage indicated in the illustrated instrument 57 is "0".
  • the operating current in the heating resistor 55 changes its electrical resistance, whereby the resistance measuring bridge 51 is "adjusted".
  • the resulting differential voltage corresponds to the change in the electrical resistance of the heating resistor 55 and in turn the temperature increase.
  • the temperature increase is characteristic of the presence of a medium to be detected, here the medium 9, unintentionally transferred from the media space 13 into the media space 11 by failure of the elastomeric storage bladder 37.
  • the result of this measurement method is in Fig. 3 from the course of three measured values 59, 61, 63.
  • the measured value profiles show different temperature profiles applied to the heating resistor 55 over time.
  • the course of the measured value 59 with the smaller, absolute temperature increases shows an example of a measurement curve for oil.
  • the course of the measured values 61 and 63 show temperature increases at one Working gas under a pressure of about 100 bar (trace 61) and at ambient pressure (trace 63). From this it becomes immediately apparent that significant differences in the temperature profile can be represented as a function of, in particular, an aggregate state (gaseous or liquid) of a respective medium.
  • a threshold is determined based on experiments, which allows the distinction of the media 7, 9 under all operating conditions of the media separation device 1, so that the unintentional media transfer is detectable.
  • FIG. 4 is a schematic representation of a kind of acoustic measurement method using the use of a measuring device 115 explained in more detail.
  • the sensor element 117 has a vibration device 113, which is excited to oscillate under the action of a field 119 of a field generation device 121 (cf. Fig. 5 ).
  • the vibration behavior of the vibration device 113 changes here upon access of the flowable medium 9, wherein the change in the vibration behavior of the vibration device 113 is detected by the measuring device 115.
  • the field generating device 121 is formed by a magnetic device 122.
  • the measuring device 115 further has an electromagnetic coil 125, wherein the flow of the electromagnetic coil 125 and an electrical voltage in the coil 125 is influenced by oscillations of the excited by the electromagnetic coil 125 sensor element 117.
  • the field generating device 121 in a single component, here in the form of the electromagnetic coil 125 summarized.
  • the sensor element 117 is connected to the evaluation electronics 133 in FIG same way as in the Fig. 1 is shown connected via a flexible cable connection 123 as a connection 19.
  • the vibrator 113 is formed in the manner of a reed switch 131.
  • the reed switch 131 has two soft-magnetic, resilient metal tongues 134, 135 which lie opposite one another in the sensor element 117 and whose ends 137, 139 axially overlap with a length dimension a. At the in the Fig. 4 shown embodiment, the ends 137, 139 of the metal tongues 134, 135 do not touch. Radially, the metal tongues 134, 135 are enclosed by the magnetic device 122 formed as an electromagnetic coil 125 substantially over its entire length.
  • the magnetic field 119 resulting in Fig. 4 is shown only schematically, with increasing field strength, the metal tongues 134, 135 move towards each other.
  • the metal tongues 134, 135 may also be in contact here depending on the field strength of the magnetic field 119. With decreasing field strength of the magnetic device 122, the metal tongues 134, 135 separate from each other and perform free vibrations.
  • the energization of the electromagnetic coil 125 can also be completely interrupted in order to initiate the pertinent vibration process of the metal tongues 134, 135.
  • Fig. 5 shows, in this case a vibration characteristic 141 or even a plurality of vibration characteristics can be detected via the measuring device 115.
  • Fig. 5 shows two curves, the upper curve in the direction of the Fig. 5 shows a number of oscillations of the metal tongues 134, 135 above a predefinable threshold value of a vibration amplitude.
  • the viewing direction in Fig. 5 the lower curve shows an example of the plot of the absolute oscillation amplitude of the metal tongues 134, 135 over time.
  • the fluid transfer to the gas side of the hydraulic accumulator 3 can also be detected with this sensor element 117.
  • the sensor element 117 has an envelope 143, which is preferably formed of a mineral glass material, wherein the envelope 143, the metal tongues 134, 135 radially and axially completely encloses, while maintaining a minimum radial distance to the metal tongues 134, 135 to the latter not to interfere with excited vibration.
  • the pertinent envelope 143 has two openings 145 for the media access to the respective metal tongue 134, 135.
  • the energy for the operation of the sensor element 117 and the measuring device 115 is provided by an electrical energy source 147 in the form of a non-illustrated accumulator (battery) or preferably wired from the outside, the sensor 117 in turn via a cable connection 123 as a connection 19 to the Evaluation electronics 133 is connected.
  • an electrical energy source 147 in the form of a non-illustrated accumulator (battery) or preferably wired from the outside, the sensor 117 in turn via a cable connection 123 as a connection 19 to the Evaluation electronics 133 is connected.
  • optical methods can also be used.
  • so-called scattered light methods are well suited for the detection of fluid mists, if such a mist formation should occur on the gas side of the storage bladder 37.
  • Other optical evaluation options are in reflection or damping properties of different liquids to see light passage of a sensor.
  • electrical measuring methods may be used which, in the sense indicated here, are preferably based on the measurement of dielectric or conductive properties of the medium. Both the dielectric constant and the conductivity make it possible to distinguish between liquids and gases.
  • a separation or dissolution of the sensor element can be detected, for example, with a spring-biased switch.
  • the switch is preferably designed in such a way that the change in volume opens or closes the switch and in this respect emits a signal to the measuring electronics 33.
  • the materials used for the sensor elements mentioned here are preferably plastics. Depending on the liquid to be detected, it is preferable to select an unstable plastic which responds thereto.
  • a polymer changes its color as a sensor element due to its contact with the fluid, this can in turn be detected by suitable measuring methods.
  • the polymer is preferably carried out as an absorbent fleece, The fleece can transport the fluid to the sensor element and there is a spatially distributed sensor and Auswertystem.
  • the mechanical oscillator (not shown) is located within the fluid and its vibration is correspondingly damped by the fluid.
  • the damping acting on the oscillator is proportional to the viscosity of the fluid.
  • QCM sensors, SAW sensors and micromechanical tuning forks can be used very well for determining the viscosity of hydraulic fluids and this measurement technique is for the present task, to detect an unwanted media transfer in hydraulic accumulators, very well suited.
  • magneto-elastic films can be used, wherein the resonance frequency of a so-called magneto-elastic film changes with the environmental conditions, i. with the medium in which the film is located.
  • the film is preferably resonance-excited via a magnetic coil and the oscillation of the magneto-elastic film can be detected by means of a separate so-called pick-up coil or by the exciter coil itself. In this way, this effect can also be used to distinguish whether the sensor film is in oil or gas.
  • the pertinent mechanical oscillators can be assigned to the so-called physical measuring method in the sense of the present application subject.

Claims (5)

  1. Dispositif de séparation de milieux, notamment accumulateur (3) hydraulique, comportant des chambres (11, 13) de milieux mutuellement séparées, un boîtier (27) de stockage qui délimite, au moins en partie, les chambres (11, 13) de milieux, et un dispositif (5) de séparation mobile pour la séparation de deux milieux (7, 9), qui sont reçus dans les chambres (11, 13) de milieux, dans lequel, au moyen d'un dispositif (15, 115) de mesure, un débordement d'au moins un milieu (7, 9) d'une chambre (11, 13) de milieux à travers le dispositif (5) de séparation dans l'autre chambre (11, 13) de milieux comportant l'autre milieu (7, 9) peut être détecté, dans lequel le dispositif (15, 115) de mesures comporte au moins un élément (17, 117) formant capteur, et dans lequel l'élément (17) formant capteur respectif a une connexion (19) à un point (21) fixe par rapport à au moins l'une des chambres (11, 13) de milieux, dans lequel, dans chaque position prise du dispositif (5) de séparation, l'élément (17) formant capteur peut être amené en contact avec le milieu (7, 9) qui a débordé, caractérisé en ce que la connexion (19) s'effectue par l'intermédiaire d'au moins une liaison (23) de câble souple, et en ce que le câble (25) respectif est, à l'une (29) de ses extrémités, relié de manière conductrice de l'électricité à l'élément (17) formant capteur respectif et, à son autre extrémité (30), est fixé au point (21) fixe des parties du boîtier (27) de stockage.
  2. Dispositif de séparation de milieux suivant la revendication 1, caractérisé en ce que le au moins un élément (17, 117) formant capteur détermine le débordement par l'utilisation d'un procédé de mesure
    - thermique et/ou
    - chimique et/ou
    - physique et/ou
    - optique et/ou
    - acoustique et/ou
    - électrique.
  3. Dispositif de séparation de milieux suivant l'une des revendications précédentes, caractérisé en ce que l'extrémité (30), voisine du point (21) fixe, de la liaison (23) de câble respective est reliée à une partie (31) en forme de fiche, qui comporte, de préférence, une électronique (33, 133) d'exploitation.
  4. Dispositif de séparation de milieux suivant l'une des revendications précédentes, caractérisé en ce que l'accumulateur (3) hydraulique est un accumulateur (35) à poche, comportant une poche (37) souple en tant que dispositif (5) de séparation, et en ce que l'élément (17, 117) capteur respectif est disposé à l'intérieur du boîtier (27) de stockage sur la chambre (11) de milieu constituée en côté (39) de gaz, l'autre chambre (13) de milieux du boîtier (27) formant le côté (41) de fluide de l'accumulateur (3) hydraulique.
  5. Procédé de mesure pour faire fonctionner le dispositif (15) de mesure dans un dispositif (1) de séparation de milieux suivant l'une des revendications 1 à 4, caractérisé en ce qu'il est tiré parti
    - par un procédé de mesure thermique, de la conductivité thermique,
    par un procédé de mesure optique, de la nébulosité, de la luminescence ou de propriétés de réflexion,
    - par un procédé de mesure acoustique, de propriétés d'amortissement,
    - par un procédé de mesure électrique, de la conductivité électrique,
    - par un procédé de mesure chimique, d'une modification d'état ou d'une coloration, et
    - par un procédé de mesure physique, du comportement d'oscillateurs mécaniques,
    pour détecter un débordement de milieu non souhaité d'une chambre (11, 13) de milieux à l'autre chambre (13, 11) de milieux en passant par le dispositif (5) de séparation.
EP12715598.4A 2011-05-05 2012-04-07 Dispositif de séparation de media, en particulier accumulateur hydraulique, y compris appareil de mesure correspondant et méthode de mesure Active EP2705257B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011100532A DE102011100532A1 (de) 2011-05-05 2011-05-05 Medientrennvorrichtung, insbesondere Hydrospeicher einschließlich zugehöriger Messeinrichtung und Messverfahren
PCT/EP2012/001559 WO2012149994A1 (fr) 2011-05-05 2012-04-07 Dispositif de séparation de fluides, en particulier accumulateur hydraulique, ainsi que dispositif de mesure correspondant et procédé de mesure

Publications (2)

Publication Number Publication Date
EP2705257A1 EP2705257A1 (fr) 2014-03-12
EP2705257B1 true EP2705257B1 (fr) 2019-09-25

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US (1) US9279432B2 (fr)
EP (1) EP2705257B1 (fr)
JP (1) JP6034370B2 (fr)
DE (1) DE102011100532A1 (fr)
WO (1) WO2012149994A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3007519B1 (fr) * 2013-06-25 2016-12-09 Technoboost Dispositif ameliore de mesure de la temperature d'un gaz contenu dans une enceinte, accumulateur oleopneumatique contenant un tel dispositif
DE102014001283A1 (de) * 2014-02-01 2015-08-06 Hydac Technology Gmbh Druckspeicher
DE102014005637A1 (de) 2014-04-16 2015-10-22 Hydac Electronic Gmbh Fluid-Arbeitsgerätschaft
US10408641B2 (en) * 2014-10-30 2019-09-10 Cameron International Corporation Measurement system
CN104897351B (zh) * 2015-05-22 2017-06-30 合肥通用机械研究院 一种测试焊接隔膜式蓄能压力容器气密性的方法及系统
WO2017023303A1 (fr) * 2015-08-05 2017-02-09 Stren Microlift Technology, Llc Système de pompage hydraulique à utiliser avec un puits souterrain
US10167865B2 (en) 2015-08-05 2019-01-01 Weatherford Technology Holdings, Llc Hydraulic pumping system with enhanced piston rod sealing
USD797169S1 (en) * 2015-08-08 2017-09-12 Abduz Zahid Pulsation dampener bladder
CN105757012B (zh) * 2016-04-14 2018-04-06 江阴秋钧机电设备有限公司 监测蓄能器油液泄漏的蓄能器
KR101897735B1 (ko) * 2016-12-23 2018-09-12 국방과학연구소 축압기
DE102018002315A1 (de) 2018-03-19 2019-09-19 Hydac Technology Gmbh Druckspeicher mit einer Überwachungseinrichtung
DE102019005819B3 (de) * 2019-08-21 2020-10-01 Armano Messtechnik GmbH Druckmittler mit Sensorüberwachung
EP4097360A1 (fr) * 2020-01-21 2022-12-07 UGT Group PTY Ltd Accumulateur
DE102020104040B3 (de) 2020-02-17 2021-02-25 Ifm Electronic Gmbh Überwachter hydropneumatischer Blasenspeicher
KR20210132269A (ko) * 2020-04-24 2021-11-04 주식회사 플로우포스 어큐뮬레이터
DE102021102991B3 (de) 2021-02-09 2022-02-10 Ifm Electronic Gmbh Verfahren zum Betreiben eines hydropneumatischen Blasenspeichers

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3920047A (en) * 1974-03-22 1975-11-18 Jacques H Mercier Gas fitting for pressure accumulator
US4167201A (en) * 1978-04-03 1979-09-11 Greer Hydraulics, Inc. Pressure accumulator with failure indicator
US4428401A (en) * 1982-08-12 1984-01-31 Vsi Corporation Failure sensing hydraulic accumulator and system
FR2603954B1 (fr) * 1986-09-15 1988-12-16 Olaer Ind Sa Reservoir de pression a capteur de presence de liquide dans une chambre de gaz
JPH0792083B2 (ja) * 1988-03-04 1995-10-09 宣行 杉村 可動式椀状センサ付プラダ形アキユムレータ
JPH028501A (ja) * 1988-06-27 1990-01-12 Mitsubishi Electric Corp ピストン型アキュムレータ
DE4006905A1 (de) 1990-03-06 1991-09-12 Hydac Technology Gmbh Verfahren zur feststellung der gasvorspannung bei hydrospeichern und zum einhalten eines druck-sollwertes der gasvorlage waehrend des betriebes
DE4115342C2 (de) * 1991-05-10 1994-06-23 Hydac Technology Gmbh Hydropneumatischer Speicher mit einer Führung
DE4333098A1 (de) * 1993-09-29 1995-01-19 Bosch Gmbh Robert Druckschalter für Hydroeinheiten
DE19651384A1 (de) * 1996-12-11 1998-06-18 Bosch Gmbh Robert Verfahren zur Überprüfung der Dichtheit einer Verpackung und Vorrichtung zur Messung der Viskosität
DE10131855A1 (de) * 2001-06-30 2003-01-23 Endress & Hauser Gmbh & Co Kg Druckmittler mit Vorrichtung zur Erkennung von Membranbrüchen und Anschlußadapter mit Vorrichtung zur Erkennung von Membranbrüchen
DE10133745A1 (de) * 2001-07-11 2003-01-23 Endress & Hauser Gmbh & Co Kg Drucksensor und Verfahren zu dessen Betrieb
DE10152777A1 (de) 2001-10-29 2003-05-15 Hydac Electronic Gmbh Vorrichtung und Verfahren zur Bestimmung der Qualität eines Mediums, insbesondere eines Schmier- und/oder Kühlmittels
DE10233454A1 (de) * 2002-07-24 2004-02-12 Hydac Technology Gmbh Hydrospeicher
DE102005001097A1 (de) * 2005-01-08 2006-07-27 Abb Patent Gmbh Drucksensor (I)
DE102006004120A1 (de) * 2006-01-25 2007-07-26 Hydac Technology Gmbh Hydrospeicher
DE102006040325A1 (de) * 2006-08-29 2008-03-13 Endress + Hauser Gmbh + Co. Kg Vorrichtung zur Überwachung der Dichtigkeit von Fügestellen bei einem Druckmessgerät
JP2009096338A (ja) * 2007-10-17 2009-05-07 Toyota Motor Corp 制御システム
JP5071222B2 (ja) * 2008-04-23 2012-11-14 村田機械株式会社 搬送車
DE102009061010B4 (de) 2009-02-26 2012-10-25 Hydac Technology Gmbh Hydraulikeinrichtung mit einem Hydrospeicher

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

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DE102011100532A1 (de) 2012-11-08
EP2705257A1 (fr) 2014-03-12
US20140060688A1 (en) 2014-03-06
JP2014517221A (ja) 2014-07-17
US9279432B2 (en) 2016-03-08
WO2012149994A1 (fr) 2012-11-08
JP6034370B2 (ja) 2016-11-30

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