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EP3122951B1 - Soupape de commande pneumatique pour équipement sanitaire - Google Patents

Soupape de commande pneumatique pour équipement sanitaire Download PDF

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Publication number
EP3122951B1
EP3122951B1 EP15714447.8A EP15714447A EP3122951B1 EP 3122951 B1 EP3122951 B1 EP 3122951B1 EP 15714447 A EP15714447 A EP 15714447A EP 3122951 B1 EP3122951 B1 EP 3122951B1
Authority
EP
European Patent Office
Prior art keywords
valve
vacuum
valve plunger
housing
compressed air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15714447.8A
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German (de)
English (en)
Other versions
EP3122951A1 (fr
Inventor
Peter Oremek
Matthias Autzen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Evac GmbH
Original Assignee
Evac GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Evac GmbH filed Critical Evac GmbH
Priority to PL15714447T priority Critical patent/PL3122951T3/pl
Publication of EP3122951A1 publication Critical patent/EP3122951A1/fr
Application granted granted Critical
Publication of EP3122951B1 publication Critical patent/EP3122951B1/fr
Active legal-status Critical Current
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
    • E03F1/006—Pneumatic sewage disposal systems; accessories specially adapted therefore
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/09—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor directly by the hand

Definitions

  • the invention relates to a control valve device for a control of a sanitary device, comprising a valve housing with a vacuum chamber which communicates with a first vacuum line connection for connection of a vacuum line, an intermediate chamber which communicates with a second vacuum line connection for connection to a second vacuum line, and a Regentikkamer which communicates with the environment by means of a vent opening a relatively movable to the housing valve stem having a manually operable actuator at a first end, a first, cooperating with the housing and the valve stem seal in a first position of the valve stem to Housing seals the vacuum chamber relative to the intermediate chamber and in a second position of the valve stem to the housing releases a connection between the vacuum chamber and the intermediate chamber, a second, with the Geh use and the valve tappet cooperating seal to the housing releases in a first position of the valve stem, a connection between the intermediate chamber and the ambient pressure chamber and the housing the intermediate chamber seal in the second position of the valve stem relative to the ambient pressure chamber.
  • Valve control devices of this type are used to control sanitary facilities that require vacuum-activated fresh water, rinse water or sewage pumping. In such sanitary facilities often water is conveyed out by means of compressed air from a container or pulled into a container by means of a vacuum.
  • a timed combination in which first a flushing water is conveyed out by means of compressed air from a rinse tank, then a waste water amount, which may include this amount of flushing water, transported by means of a vacuum in a wastewater tank or an upstream intermediate tank, wherein in the case of an upstream intermediate container often still follows a transport of the wastewater from the intermediate container into the waste water tank, which in turn can be effected for example by means of compressed air.
  • fresh water must be transported out of a fresh water tank by means of compressed air to supply, for example, a hand basin with water and the wastewater are removed from the hand basin by means of a vacuum again.
  • such control processes can be controlled by a vacuum source and compressed air source are provided and from this vacuum source and this compressed air source by controlling electrically operated valve units with a corresponding electronic control unit at certain intervals, the compressed air and the vacuum of such kind on storage tank, intermediate tank or wastewater container is given up in that the desired conveying effects for the fresh water, the rinsing water or the wastewater are thereby achieved.
  • a disadvantage of such solutions is that for the operation of such a control device both compressed air and vacuum and electrical energy must be available. As a result, the connection of such a sanitary device is complicated, which is particularly disadvantageous is when the sanitary device is to be installed on board vehicles such as rail vehicles.
  • EP 0826838 A2 is a vacuum valve control for a Vakuumabsaugsystem known.
  • wastewater is sucked out of a sewage basin through a suction pipe and this suction pipe is selectively blocked or opened by a vacuum valve.
  • the vacuum valve is normally spring loaded in the closed position. A vacuum is applied to the vacuum valve to open it. This negative pressure is controlled by a control unit as a function of the pressure conditions in the intake pipe and the liquid level in the wastewater basin.
  • Out DE 19633178 is a controller for a vacuum operable suction and / or water valve known.
  • a valve via a Control knob actuated, which valve has a valve piston which is adjustable by means of a in a housing in which the control knob is slidably disposed, the membrane which separates a first from a second chamber.
  • the first chamber is connected to a vacuum source and the diaphragm acts in the direction of the second chamber, a spring element.
  • a vacuum valve with a housing and a valve element arranged therein is known.
  • a first piston is coupled to this valve element and is urged by a spring element into a closed position of the valve.
  • the first piston is exposed to a pressure generated by an increase in a level of fluid within a fluid reservoir and forced by that pressure to a second, open position.
  • the invention has for its object to provide such a control unit, with both the installation and the operation of such a sanitary device can be simplified.
  • valve control device of the type described above, in which a coupled to the valve tappet compressed air valve unit with a valve body which blocks in the first position of the valve stem to the housing a compressed air input to a compressed air outlet, and in the second position of the valve stem to the housing provides a connection between the compressed air inlet to the compressed air outlet, is provided.
  • control valve device With the control valve device according to the invention, a control device is provided, which can be installed in a simpler manner and can control the processes of a sanitary device. At the same time, a robust control device is provided with the valve control device according to the invention.
  • the control valve device according to the invention is improved in particular with regard to its connection interface with respect to the previously known control devices and is designed to control the transport of fresh water, rinse water and / or wastewater in a sanitary device. In this case, the transport of the fresh water or rinse water or wastewater can take place both by means of compressed air and by means of a vacuum in the sanitary device. According to the invention, only one compressed air source is required for this control by means of the control valve device.
  • the control valve device according to the invention can therefore dispense with an external vacuum pressure air source for controlling the process as well as electrical energy or electronic control devices. Instead controls the control valve device according to the invention, if a vacuum is required for the operations, starting from a compressed air source to a compressed air operated vacuum device and controls in dependence of the one hand, provided compressed air and the other hand, generated by the vacuum the operation of the sanitary device in full.
  • the control valve device has a valve housing, which is basically subdivided into three chambers. These chambers are separated from each other by first and second seals, said first and second seals being opened and closed in a specific manner by movement of a valve lifter relative to the housing.
  • the valve stem is still adapted to actuate a compressed air valve unit by this compressed air valve unit is closed in the first position of the valve stem and is open in the second position of the valve stem.
  • the valve stem can be manually operated by a user of the control valve device, which can be done for example by direct application of force to an actuating surface on the valve stem, for example, designed as a push button actuating surface, but also can be done indirectly via actuation mechanisms or actuators.
  • the compressed air valve unit is opened directly, thus allowing a compressed air supply from the compressed air source.
  • This compressed air supply can be used directly for the transport of fresh / rinsing or waste water.
  • the compressed air can furthermore be used to pressurize an ejector device with compressed air and to generate a vacuum therein, for example by means of the Venturi effect.
  • a directly or indirectly generated as a result of the application of compressed air vacuum can then be supplied to the control valve device according to the invention and introduced via the first vacuum line connection in the vacuum chamber from which it acts directly in the intermediate chamber in the second position of the valve stem. Due to the sealing by the second seal between the intermediate chamber and the ambient pressure chamber in the second position, this creates a force acting on the valve stem force by the pressure difference between the intermediate chamber and the ambient pressure chamber, which becomes higher, the stronger the vacuum in the intermediate chamber. As a result of this force build-up, when a predetermined vacuum is exceeded, the valve tappet is moved back out of the second position into the first position, thereby interrupting the supply of compressed air by means of the compressed-air valve unit.
  • the control valve device also makes it possible to forward the introduced into the pressure chamber vacuum in the first position to the second vacuum line connection in the intermediate chamber and thereby control, for example, a timing device.
  • This passage is in the first position when the first seal the vacuum chamber of the intermediate chamber seals, so that ventilation on the side of the vacuum chamber or the intermediate chamber does not reduce the vacuum on the other side.
  • the first and second seals provided in the control valve device according to the invention may be designed such that a surface pressure is exerted directly on the seal by a pressure difference which acts via the seal and this surface pressure is transferred from the seal to the valve lifter to the movement to effect the valve stem.
  • the first or the second seal may be formed so that they only produce a sealing effect between the valve stem and the housing and the valve stem has a corresponding surface is formed, acts on the seal between the valve stem and housing the pressure difference by either the negative pressure or the ambient pressure abuts against this surface and on one side exerts a force on the valve stem.
  • the forces which act on the valve tappet by means of the negative pressure and the ambient pressure and influence its position with respect to the housing can additionally be influenced by other forces.
  • additional forces may be provided by biasing means, which may generally include elastic spring elements in the form of helical springs, other types of spring, elastomeric elements or the like, in the form of magnetic forces by permanent magnet action or electromagnetic actions or by gravitational force actions on or with the valve lifter coupled mass elements are generated.
  • the triggering force, the restoring force and time sequences between triggering and resetting as well as a triggering that is again possible after resetting can be influenced and adjusted by such additional force actions on the valve stem.
  • the valve stem extends from the first to a second end and is coupled at the second end to the compressed air valve unit.
  • the valve lifter By coupling the valve lifter to the compressed air valve unit at the second end of the valve lifter an immediate actuation of the compressed air valve unit is made possible via the arranged at the first end actuator and achieved a robust transmission of the actuating force.
  • the coupling of the compressed air valve unit with the valve stem can both by direct mechanical connection such as an integral version of the valve body of the compressed air valve unit on the valve lifter, by means of a mechanical articulation of the valve body via the second end of the valve stem or as indirect coupling by means of force transmission effects such as friction, pneumatic transmission, magnetic Power transmission or the like done.
  • the control valve device can be formed by a magnet and by the fact that the valve body is actuated by means of magnetic action of the magnet.
  • a magnet is part of the control valve means and serves to actuate the valve body, that is to switch the compressed air valve unit between the open and the closed position back and forth.
  • the magnet can be supported by other force-acting elements, such as spring elements or otherwise restoring elements or acted upon by a counter force.
  • the magnet can be arranged on the valve tappet or on the valve body and in each case cooperate with a corresponding magnetic element on the valve body or on the valve tappet, wherein this magnetic element can be made ferromagnetic, paramagnetic or diamagnetic.
  • an indirect loading of a magnet via a coupling with the valve stem or the valve body can take place in order to convert the magnetic force effect from the movement of the valve stem into a movement of the valve body.
  • the magnet is a permanent magnet.
  • an electromagnet can also be used in the control valve device according to the invention.
  • valve body of the compressed air valve unit is opened by the magnetic effect or that the valve body of the compressed air valve unit is closed by the magnetic effect.
  • the magnetic effect by accordingly additional force-acting elements, which, as described above, can influence the movement of valve bodies in such a way that a restoring effect against the magnetic force or a supportive effect of the magnetic force is thereby caused.
  • control valve device with a magnet for actuating the valve body may further preferably be provided that the valve body is moved in the second position of the valve stem by magnetic action of a magnet in the open position or in the first position of the valve stem by magnetic action of a magnet in the closed position is moved.
  • the compressed air valve unit is opened either in the second position of the valve stem or closed in the first position of the valve stem.
  • This actuation may be assisted by correspondingly further means, such as elastic elements acting on the valve body, by correspondingly pushing the valve body in the first position through this further means into the closed position or correspondingly in the second position by the further means is moved to the open position.
  • a further preferred embodiment comprises a first biasing means which exerts on the valve body a biasing force acting against the magnetic action.
  • a biasing device may be performed for example by a spring element in the form of a coil spring or other spring design or in the form of a rubber-elastic element.
  • the magnetic effect between the magnet and a magnetic element acts, one of which is arranged on the valve stem and the other on the valve body, and that in the first position of the valve stem, the distance between the magnet and the magnetic element is so large that the magnetic force is less than the preload force, and in the second Position of the valve stem, the distance between magnet and magnetic element is so small that the magnetic force is greater than the biasing force.
  • the magnetic force is increased by the approach of the magnet to a magnetic element as a result of the movement of the valve stem from the first to the second position and thereby generates a magnetic force which is increased in the second position relative to the first position so that they now exceeds a preload force of the pretensioner that it has not previously exceeded.
  • the biasing means therefore keeps closed in the first position the valve body, whereas in the second position of the valve stem it is overcome by the magnetic force and the valve body is thereby moved to the open position.
  • the magnet may be arranged on the valve tappet and the magnet element on the valve body or vice versa.
  • an overpressure or negative pressure can be established by the processes occurring as a result of the compressed air supply, which can then exert an additional force on the valve stem, for example by a vacuum is applied to the first vacuum line connection and thereby a force on the valve lifter acting, which causes a return of the valve stem from the second position to the first position.
  • a bidirectionally acting locking element which causes a latching force between the valve stem and valve housing in the first and second positions
  • the locking element is preferably designed to the valve stem with a predetermined first holding force in the first Hold position, when a predetermined operating force on the actuating element is exceeded to allow the movement of the valve stem from the first to the second position to hold the valve stem in the second position with a predetermined second holding force, and the movement when a predetermined negative pressure in the intermediate chamber is exceeded allow the valve stem from the second to the first position.
  • a predetermined negative pressure is defined, which are initially established must to finish the flushing process.
  • the valve stem is respectively maintained in the first and second positions with respective first and second holding forces, which may be different or the same.
  • the latching element can be formed, for example, by means of a spring-actuated element or a spring element, which is fastened to the valve housing and acts on a depression or elevation on the valve tappet provided on both sides with ramps or conical surfaces or the like. It may also be formed by a spring-actuated element which cooperates with two spaced apart on the valve tappet depressions or elevations. Likewise, two Federlemente cooperate with a single survey or depression on the valve lifter.
  • the spring-actuated element may be, for example, a spring loaded ball, a spring loaded shoe, a spring clip cooperating with one or two conical surfaces, or the like.
  • valve lifter in the control valve device equipped with a magnet, it is preferable that the valve lifter is held in the second position by the magnetic force and that a negative pressure built up in the second position in the intermediate chamber communicates with an ambient pressure in the atmospheric pressure chamber magnetic force acting restoring force exerts on the valve stem, which moves upon reaching a predetermined negative pressure in the intermediate chamber, the valve stem against the magnetic force from the second position to the first position.
  • the valve stem is held by the magnetic force in the second position and a build-up negative pressure is introduced into the vacuum chamber and thus connected in this first position with the Unterbuchkamer intermediate chamber and causes a pressure difference to the ambient pressure chamber, a force acting on the valve lifter moved back from the second position back to the first position
  • control valve device it is preferable for the control valve device according to the invention to be developed by a second pretensioning device which projects the valve plunger from the second to the first position.
  • a second biasing direction which in turn can be designed as a spring element, rubber-elastic element or the like, a restoring force on the valve stem causes and allows a setting that affects both the release force, with which the valve stem has to be moved from the first to the second position and the necessary restoring force, which acts on the valve stem by a pressure difference between the intermediate chamber and the ambient pressure chamber, influenced.
  • valve body is relatively movable to the valve stem and the housing.
  • this makes possible a cost-effective production method, in that fits and tolerances, which would have to be selected correspondingly in the event of a direct coupling in order to avoid jamming or jamming, are not required.
  • the respective components, such as the valve stem and the valve body can be tolerated in their own leadership and offset by mutually provided force effects on each other, for example, by the above-described magnetic coupling, in mutually dependent movements.
  • the magnet is attached to the second end of the valve stem and cooperates with a magnetic element which is coupled to the valve body or integrally formed on the valve body, or that the magnet is fixed to the valve body and with a magnetic Element cooperates, which is coupled to the second end of the valve stem or integrally formed on the second end of the valve stem.
  • a magnetic element which may be ferromagnetic, para or diamagnetic, which is arranged on the valve body.
  • both magnet and magnetic element can be formed integrally with the valve tappet or valve body, connected to it in another way, coupled or attached thereto.
  • a reverse configuration may be provided in which the magnet is disposed on the valve body and the magnetic element is disposed correspondingly on the second end of the valve lifter.
  • the control valve device can be further developed by either the first seal is attached to the valve stem and seals against a conical, in the direction of movement from the first second expanding the first sealing surface on the housing, and the second seal is attached to the housing and against a conical , the second sealing surface flaring from the second to the first end of the valve stem seals on the valve stem or by the first seal is fixed to the housing and seals against a conical, extending from the first to the second end of the valve stem second sealing surface on the valve stem, and the second seal on the valve stem is fastened and seals against a conical, in the direction of movement from the second to the first position widening first sealing surface on the housing.
  • a preferred embodiment of the first and second seals and their sealing counter surfaces is defined.
  • the thereby provided tapering of the sealing surfaces on the housing or on the valve stem cause an advantageous gradual reduction of the sealing gap upon movement of the valve stem relative to the housing, whereby sudden changes in the force on the valve stem can be avoided and a reliable seal between the valve stem and housing on the respective seal increasing valve lifter travel can be achieved.
  • control valve device can be further developed by an ejector device having an ejector pressure air connection and an ejector vacuum connection, which is designed to generate a vacuum at the ejector connection when the ejector pressure air connection is pressurized, with the ejector pressure air connection in fluid communication with the compressed air output, and the ejector vacuum connection the first vacuum line connection is in fluid communication.
  • control valve unit can alternatively or additionally be developed by a time delay unit with an air port in fluid communication with the second vacuum line port.
  • an ejector device which is supplied via the supplied from the compressed air valve unit compressed air and generates a vacuum, which in turn is introduced to the first vacuum line connection of the housing and consequently in the vacuum chamber.
  • an advantageous control effect is achieved between the compressed-air valve unit, the ejector device charged therefrom, the vacuum generated therein and the valve tappet in the housing with the vacuum effect on the vacuum chamber or intermediate chamber.
  • the advantageous possibility of controlling a time delay unit via the second vacuum line connection out of the intermediate chamber is used, which is sealed in the first position relative to the vacuum chamber and in the second position with the vacuum chamber in communication.
  • the compressed air valve unit is actuated by means of a magnet and the magnetic force holds the valve stem in the second position.
  • a control valve device 1 has a valve housing 10 in which a valve tappet 20 is movably guided along an actuating direction.
  • valve stem 20 protrudes at its upper end 20a out of the valve housing 10 and carries at this upper end 20a an actuating knob 21. At its lower end 20b, the valve stem 20 also protrudes from the valve housing 10 and is at this lower end with an axial longitudinal bore 22 provided. The axial longitudinal bore 22 is surrounded by a ring magnet 30 at the lower end 20b of the valve lifter.
  • the valve housing 10 encloses an interior, which is divided by a first seal 41 and a second seal 42 a total of three chambers.
  • a vacuum chamber 11 is defined by the housing and the first seal 41 secured to the valve lifter. This vacuum chamber 11 is connected by a first vacuum line connection 12 to a vacuum line 12a.
  • the first, attached to the valve stem seal 41 seals against a conical housing wall portion 13, which tapers in the direction of the upper end 20a.
  • a conical housing wall portion 13 which tapers in the direction of the upper end 20a.
  • the intermediate chamber 14 is bounded by the first seal 41, the second seal 42 and the housing 10 and has a second vacuum line connection 15.
  • the second seal 42 is fixedly secured to the housing 10 and has an inner bore 42 a.
  • the inner bore 42a acts against a sealing cone 23 formed on the valve lifter.
  • the sealing cone 23 expands its cross-sectional diameter from the second end 20b to the first end 20a.
  • the unactuated, upper position of the valve stem 20 therefore there is a fluid connection between the intermediate chamber 14 and an ambient pressure chamber 16.
  • the passage cross section through the opening 42a of the seal 42 is increasingly reduced and completely closed at a certain actuation travel of the valve stem.
  • Connected to the conical sealing surface 23 in the direction of the upper end 20a is a cylindrical, outer peripheral sealing surface, so that the sealing effect on the second seal 42 is maintained even when the valve tappet 20 is actuated further.
  • the ambient pressure camera 16 is connected to the ambient pressure via the lower opening of the housing.
  • the valve stem 20 on both sides of a conical thickening 24 which cooperates with a spring detent element 50 which is fixed to the valve housing.
  • the downwardly facing conical surface 24a acts against the spring detent element 50 and deflects it radially outward until at a predetermined compressive force on the operating knob 21 the spring detent skips over the thickest part of the thickening 24 and moves the valve lifter into the second one Position allows.
  • the valve stem is held by the now radially inwardly elastically deformed back spring detent element 50 bears against the upper conical surface 24 b of the thickening 24.
  • the spring detent element 50 When building a negative pressure in the intermediate chamber 14, the spring detent element 50 is again deflected radially outwardly elastically by the conical surface 24b is pulled up until the spring detent element 50 upon reaching a predetermined negative pressure spring detent again skips the thickest point of the thickening 24 in the opposite direction and allows the movement of the valve stem back to the first position.
  • a ferromagnetic valve body 61 In extension of the bore 22 in the valve stem, a ferromagnetic valve body 61 is arranged.
  • the ferromagnetic valve body 61 is movably disposed in a guide 62 and can move within this guide 62 in the same direction as the valve stem 20.
  • a second coil spring 63 At the upper end of the guide 62, a second coil spring 63 is arranged, the ferromagnetic valve body 61 in a lower, closed position presses.
  • valve body 61 closes a compressed air line 60.
  • valve stem is pressed downwards via the actuating element 21 from the first, upper position into a second, lower position, then the magnet 30 is moved closer to the ferromagnetic valve body 61 and the magnetic force of the magnet on the ferromagnetic valve body 61 is thereby increased.
  • This increase causes lifting of the valve body 61 from the in FIG. 1 pictured closed position against the spring force of the second Spiral spring 63 in a raised, open position. In this raised, open position, the flow through the compressed air line 60 is released from a compressed air inlet 83 to a compressed air outlet 84.
  • the compressed air line 60 is acted upon via the compressed-air outlet 84 by an ejector device 100 which generates a negative pressure by means of the Venturi principle.
  • This negative pressure is introduced via the vacuum line 12a into the vacuum chamber 11.
  • the ambient pressure acts on the conical sealing surface 23 of the valve stem as a result of the building pressure difference between the intermediate chamber 14 and the ambient pressure chamber 16.
  • This acts a restoring force on the valve stem 20, the moved back the valve stem from the lower, second position to the upper, first position.
  • This restoring force is supported by the first coil spring 51 and a third coil spring 53.
  • FIG. 2 shows the control valve device 1 according to the invention in a mounting situation for controlling a vacuum toilet.
  • the entire control device comprises, in addition to the control valve device 1 according to the invention and the ejector device 100 still further includes an actuation coupling unit 150 which acts as a time delay unit, a manifold valve unit 130, a flush water valve unit 170, and a flush water unit 190.
  • the flush water valve unit 170 is supplied with compressed air via a compressed air inlet 183.
  • the vacuum generated in the ejector apparatus is supplied via the vacuum line 12 a to the distribution valve unit 130 and passed from there in response to the timing by the actuating coupling unit 150 via the vacuum line 12 b to the first vacuum line connection 12 of the control valve device 1. This vacuum is applied to the actuating coupling unit 150 via the second vacuum line connection 15.
  • the vacuum generated in the ejector 100 is applied to a waste tank 200 via a vacuum line 12c branched off from the vacuum line 12a. Furthermore, the vacuum generated in the ejector 100 is conducted via the distribution valve unit 130 to a port 135 and from there via a vacuum line 171 to the rinse water valve unit 170.

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  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fluid-Driven Valves (AREA)

Claims (16)

  1. Système de soupape de commande en vue d'une commande d'un système sanitaire, comprenant
    - un carter de soupape (10) pourvu
    - - d'une chambre de dépression (11), qui est reliée à un premier raccord de conduit sous vide aux fins du raccordement d'un conduit sous vide,
    - - d'une chambre intermédiaire (14), qui est reliée à un deuxième raccord de conduit sous vide aux fins du raccordement d'un deuxième conduit sous vide, et
    - - d'une chambre de pression environnante (16), qui est reliée à l'environnement extérieur au moyen d'une ouverture de ventilation,
    - un coulisseau de soupape (20) mobile par rapport au carter, lequel présente, au niveau d'une première extrémité, un élément d'actionnement (21) pouvant être actionné manuellement,
    - un premier joint d'étanchéité coopérant avec le carter et le coulisseau de soupape, lequel
    - - étanchéifie la chambre de dépression par rapport à la chambre intermédiaire dans une première position du coulisseau de soupape par rapport au carter, et
    - - qui libère une liaison entre la chambre de dépression et la chambre intermédiaire dans une deuxième position du coulisseau de soupape par rapport au carter,
    - un deuxième joint d'étanchéité (42) coopérant avec le carter et le coulisseau de soupape, lequel
    - - libère une liaison entre la chambre intermédiaire et la chambre de pression environnante dans une première position du coulisseau de soupape par rapport au carter, et
    - - qui étanchéifie la chambre intermédiaire par rapport à la chambre de pression environnante dans la deuxième position du coulisseau de soupape par rapport au carter,
    dans lequel le système de soupape de commande présente par ailleurs une unité de soupape à air comprimé couplée au coulisseau de soupape (20) et pourvue d'un corps de soupape (61), qui
    - ferme une entrée d'air comprimé (83) par rapport à une sortie d'air comprimé (84) dans la première position du coulisseau de soupape par rapport au carter, et
    - qui libère une liaison entre l'entrée d'air comprimé (83) et la sortie d'air comprimé (84) dans la deuxième position du coulisseau de soupape par rapport au carter.
  2. Système de soupape de commande selon la revendication 1,
    caractérisé en ce que le coulisseau de soupape (20) s'étend depuis la première vers une deuxième extrémité et est couplé, au niveau de la deuxième extrémité, à l'unité de soupape à air comprimé.
  3. Système de soupape de commande selon la revendication 1 ou 2,
    caractérisé par un aimant (30) et en ce que le corps de soupape (61) est actionné au moyen d'une action magnétique de l'aimant.
  4. Système de soupape de commande selon la revendication 3,
    caractérisé en ce que le corps de soupape (61) de l'unité de soupape à air comprimé est ouvert du fait de l'action magnétique ou
    que le corps de soupape de l'unité de soupape à air comprimé est fermé du fait de l'action magnétique.
  5. Système de soupape de commande selon l'une quelconque des revendications précédentes, caractérisé par un élément d'enclenchement (50) à action bidirectionnelle, lequel entraîne une force d'enclenchement entre le coulisseau de soupape (20) et le carter de soupape (10) dans la première et dans la deuxième position, dans lequel l'élément d'enclenchement est réalisé de préférence afin
    - de maintenir le coulisseau de soupape avec une première force de maintien prédéfinie dans la première position,
    - d'autoriser, en cas de dépassement d'une force d'actionnement prédéfinie sur l'élément d'actionnement, le déplacement du coulisseau de soupape depuis la première dans la deuxième position,
    - de maintenir le coulisseau de soupape avec une deuxième force de maintien prédéfinie dans la deuxième position,
    - d'autoriser, en cas de dépassement d'une dépression prédéfinie dans la chambre intermédiaire, le déplacement du coulisseau de soupape depuis la deuxième dans la première position.
  6. Système de soupape de commande selon la revendication 3, 4 ou 5,
    caractérisé par un premier système de précontrainte (63), qui exerce une force de précontrainte sur le corps de soupape, laquelle agit à l'encontre de l'action magnétique.
  7. Système de soupape de commande selon la revendication 6,
    caractérisé en ce que l'action magnétique agit entre l'aimant (30) et un élément d'aimant (61), dont l'un est disposé au niveau du coulisseau de soupape et l'autre au niveau du corps de soupape, et que
    - la distance entre l'aimant et l'élément d'aimant est si grande, dans la première position du coulisseau de soupape, que la force magnétique est inférieure à la force de précontrainte, et
    - la distance entre l'aimant et l'élément magnétique est si petite, dans la deuxième position du coulisseau de soupape, que la force magnétique est plus grande que la force de précontrainte.
  8. Système de soupape de commande selon l'une quelconque des revendications 3 - 7,
    caractérisé en ce que le coulisseau de soupape est maintenu par la force magnétique dans la deuxième position, et qu'une dépression créée dans la deuxième position dans la chambre intermédiaire exerce, en liaison avec une pression environnante dans la chambre de pression environnante, une force de rappel agissant à l'encontre de ladite force magnétique sur le coulisseau de soupape, laquelle force de rappel déplace le coulisseau de soupape à l'encontre de la force magnétique depuis la deuxième position dans la première position une fois une dépression prédéfinie atteinte dans la chambre intermédiaire.
  9. Système de soupape de commande selon l'une quelconque des revendications précédentes,
    caractérisé par un deuxième système de précontrainte, qui précontraint le coulisseau de soupape depuis la deuxième dans la première position.
  10. Système de soupape de commande selon l'une quelconque des revendications précédentes,
    caractérisé en ce que le corps de soupape est relativement mobile par rapport au coulisseau de soupape et par rapport au carter.
  11. Système de soupape de commande selon l'une quelconque des revendications 3 - 10,
    caractérisé en ce que l'aimant est fixé au niveau de la deuxième extrémité du coulisseau de soupape et coopère avec un élément magnétique, qui est couplé au corps de soupape ou est réalisé intégralement au niveau du corps de soupape, ou
    que l'aimant est fixé au niveau du corps de soupape et coopère avec un élément magnétique, qui est couplé à la deuxième extrémité du coulisseau de soupape ou est réalisé intégralement au niveau de la deuxième extrémité du coulisseau de soupape.
  12. Système de soupape de commande selon l'une quelconque des revendications précédentes, caractérisé en ce que
    - le premier joint d'étanchéité (41) est fixé au niveau du coulisseau de soupape (20) et étanchéifie par rapport à une première surface étanche conique, s'élargissant dans la direction de déplacement depuis la première dans la deuxième position, au niveau du carter (10), et
    - le deuxième joint d'étanchéité (42) est fixé au niveau du carter (10) et étanchéifie par rapport à une deuxième surface étanche conique, s'élargissant depuis la deuxième vers la première extrémité du coulisseau de soupape (20), au niveau du coulisseau de soupape.
  13. Système de soupape de commande selon l'une quelconque des revendications précédentes 1 - 11,
    caractérisé en ce que
    - le premier joint d'étanchéité (41) est fixé au niveau du carter et étanchéifie par rapport à une deuxième surface étanche conique, s'élargissant depuis la première vers la deuxième extrémité du coulisseau de soupape, au niveau du coulisseau de soupape, et
    - le deuxième joint d'étanchéité (42) est fixé au niveau du coulisseau de soupape et étanchéifie par rapport à une première surface étanche conique, s'élargissant dans la direction de déplacement depuis la deuxième dans la première position, au niveau du carter.
  14. Système de soupape de commande selon l'une quelconque des revendications précédentes, caractérisé par
    - un dispositif éjecteur (100) pourvu d'un raccord d'air comprimé d'éjecteur et d'un raccord sous vide d'éjecteur, lequel est réalisé afin de générer un vide au niveau du raccord sous vide d'éjecteur lorsque le raccord d'air comprimé d'éjecteur est soumis à l'action de l'air comprimé, dans lequel
    - - le raccord d'air comprimé d'éjecteur est en communication fluidique avec la sortie d'air comprimé, et
    - - le raccord sous vide d'éjecteur est en communication fluidique avec le premier raccord de conduit sous vide,
    et/ou
    - une unité de retardement dans le temps pourvue d'un raccord d'air, qui est en communication fluidique avec le deuxième raccord de conduit sous vide.
  15. Procédé servant à commander un système sanitaire, comprenant les étapes consistant à
    - déplacer manuellement un coulisseau de soupape (20) disposé de manière mobile par rapport à un carter de soupape (10) depuis une première position dans une deuxième position en actionnant un élément d'actionnement,
    - ouvrir une unité de soupape à air comprimé couplée au coulisseau de soupape dans la deuxième position,
    - amener de l'air comprimé à un dispositif éjecteur (100) lorsque l'unité de soupape à air comprimé est ouverte et créer un vide au niveau d'un raccord sous vide du dispositif éjecteur,
    - soumettre une chambre intermédiaire (14) disposée dans le carter de soupape (10), laquelle est étanchéifiée par rapport à une chambre de pression environnante (16) dans la deuxième position du coulisseau de soupape, à l'action du vide provenant du raccord sous vide du dispositif éjecteur,
    - ramener le coulisseau de soupape (20) depuis la deuxième dans la première position lorsqu'une dépression prédéfinie est atteinte dans la chambre intermédiaire (14) du fait de l'action de la pression environnante dans la chambre de pression environnante sur une surface au niveau du coulisseau de soupape.
  16. Procédé selon la revendication 15,
    caractérisé en ce que l'unité de soupape à air comprimé est actionnée au moyen d'un aimant (30) et la force magnétique maintient le coulisseau de soupape dans la deuxième position.
EP15714447.8A 2014-03-28 2015-03-27 Soupape de commande pneumatique pour équipement sanitaire Active EP3122951B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15714447T PL3122951T3 (pl) 2014-03-28 2015-03-27 Pneumatyczny zawór sterujący dla urządzenia sanitarnego

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202014002712.9U DE202014002712U1 (de) 2014-03-28 2014-03-28 Pneumatisches Steuerungsventil für Sanitäreinrichtung
PCT/EP2015/056780 WO2015144904A1 (fr) 2014-03-28 2015-03-27 Soupape de commande pneumatique pour équipement sanitaire

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EP3122951A1 EP3122951A1 (fr) 2017-02-01
EP3122951B1 true EP3122951B1 (fr) 2018-05-23

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CN (1) CN106460377B (fr)
AP (1) AP2016009535A0 (fr)
DE (1) DE202014002712U1 (fr)
DK (1) DK3122951T3 (fr)
EA (1) EA032376B1 (fr)
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CN112663743B (zh) * 2020-12-29 2025-03-07 清环拓达(苏州)环境科技有限公司 一种分体式触发的一体式气控控制器
CN112663748B (zh) * 2020-12-29 2024-12-31 清环拓达(苏州)环境科技有限公司 一种手动气控控制器触发的抽臭气用气控控制器
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CN106460377B (zh) 2019-11-26
AP2016009535A0 (en) 2015-10-31
DE202014002712U1 (de) 2015-06-30
EA032376B1 (ru) 2019-05-31
WO2015144904A1 (fr) 2015-10-01
CN106460377A (zh) 2017-02-22
EA201691937A1 (ru) 2017-03-31
DK3122951T3 (en) 2018-09-03
PL3122951T3 (pl) 2018-11-30
EP3122951A1 (fr) 2017-02-01

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