EP2919915B1 - Filtereinheit für schwimmbad - Google Patents

Filtereinheit für schwimmbad Download PDF

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Publication number
EP2919915B1
EP2919915B1 EP13792886.7A EP13792886A EP2919915B1 EP 2919915 B1 EP2919915 B1 EP 2919915B1 EP 13792886 A EP13792886 A EP 13792886A EP 2919915 B1 EP2919915 B1 EP 2919915B1
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EP
European Patent Office
Prior art keywords
water
orifice
solid particles
hydrocyclones
hydrocyclone
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Not-in-force
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EP13792886.7A
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English (en)
French (fr)
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EP2919915A1 (de
Inventor
Stefan Chirtu
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Individual
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Individual
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/28—Multiple arrangement thereof for parallel flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B04C5/04—Tangential inlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00—Swimming or splash baths or pools
    • E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
    • E04H4/1209—Treatment of water for swimming pools
    • E04H4/1245—Recirculating pumps for swimming pool water
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/005—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with external rotors, e.g. impeller, ventilator, fan, blower, pump

Definitions

  • the invention relates to a pool water filtration device.
  • Hydrocyclones have a frustoconical shape and use centrifugal force to separate solid particles from water.
  • Frustoconical shape here means a shape having a frustoconical portion and optionally a cylindrical portion.
  • the water is introduced into each hydrocyclone through a tangential inlet, which imparts to it a rotational movement, which generates the centrifugal force. This centrifugal force separates the solid particles from the water and the plates along the wall of the cone. The solid particles are then dragged down the hydrocyclone. The water, freed of its solid particles, rises to the top of the hydrocyclone.
  • Such devices are for example described in the patent application WO2008155649 . They require the use of a pump to introduce water into the hydrocyclones, thus pipes connecting the pump to the device. Most often, the pump is placed in a tank or technical room, located near the pool. The entire pump and the filtering device therefore occupies an important place. In addition, the pressure drops are important in the pipes connecting the pump to the device.
  • the invention aims to remedy these disadvantages by proposing a more compact device, requiring no technical room, and having fewer losses.
  • the device above is a compact assembly and does not require a room or technical tank for the pump.
  • the hydrocyclones being distributed in a circle around the centrifugal turbine, the pressure losses are lower and identical for each of the hydrocyclones, which implies the use of a less powerful motor, so a reduced power consumption.
  • Embodiments of this device may include one or more of the features of the dependent claims.
  • the figure 1 and the following ones are all oriented according to the same orthogonal reference XYZ.
  • the X and Y directions here are horizontal, and the Z direction is the vertical direction.
  • the figure 1 represents a filtration device 2. Arrows indicate the flow direction of the water in the device.
  • the device 2 here comprises a housing 4 waterproof.
  • the housing is rigid plastic or metal.
  • the casing 4 here has a cylindrical shape, of circular section. More specifically, the housing 4 comprises a cylinder which extends along the Z axis, and two disks, respectively lower and upper, located in planes parallel to the XY plane at the ends of the cylinder. The cylinder and the upper and lower discs delimit an interior cavity devoid of water.
  • the housing 4 has the following dimensions: its diameter is less than 80 cm, and preferably less than 60 cm, or 50 cm.
  • the height of the housing 4 in the Z direction is less than 70 cm, and preferably less than 60 cm, or 50 cm.
  • the casing 4 comprises a suction port 6 for the water from the pool.
  • the orifice 6 has, here, a circular shape whose diameter is greater than 3 cm, and preferably greater than 4 cm, or 5 cm. Typically, this diameter is less than 30 cm.
  • the orifice 6 is on the upper disk of the casing 4, here at its center.
  • the casing 4 When using the device 2, the casing 4 is immersed in the pool, slightly below the free surface of the water, so that the orifice 6 is, for example, 3 or 4 cm below the surface of the water.
  • the casing 4 can also be placed near the pool, outside the water.
  • the orifice 6 is fluidly connected to the pool water by a suction mouth not shown.
  • this suction mouth is shaped similarly to a collector or skimmer, better known by the term "skimmer".
  • the device 2 comprises a pump 8 whose function is to suck water from the pool.
  • the pump 8 is housed inside the casing 4.
  • the pump 8 is fluidly connected to the orifice 6 by a duct 10.
  • the duct 10 here has a frustoconical shape, and has two ends 12 and 14.
  • the duct 10 comprises a central axis oriented along the axis Z.
  • the two ends 12 and 14 extend in planes parallel to the XY plane, and have circular sections of different diameters.
  • the end 12 has a diameter equal to that of the orifice 6, and it is directly connected to the orifice 6.
  • the end 14 has a diameter smaller than that of the end 12, and it is directly connected to the pump 8.
  • the frustoconical shape of the duct thus arranged creates a vortex in the duct, which increases the flow of water entering the pump 8.
  • the pump 8 comprises a centrifugal turbine 16 and a motor 18.
  • the motor 18 is a low voltage electric motor, coupled to the turbine 16, so as to drive the turbine 16 in rotation.
  • the motor 18 is powered by a power supply cord, not shown in the figure, which connects the motor 18 to a power supply external to the casing 4.
  • the power of the motor is less than 2 kW, or preferably, less than 1.5 kW.
  • the start and stop of the motor 18 are here controlled by an electronic control unit 22, housed inside the housing 4. When the motor 8 is running, its rotation speed is here constant.
  • the centrifugal turbine 16 comprises a vertical axis of rotation, here coinciding with the generatrix of the cylinder of the casing 4. The motor is placed along the axis 20, below the turbine 16.
  • the end 14 of the duct 10 is connected fluidly to the turbine 16.
  • the turbine 16 sucks the water which opens out of the conduit 10 vertically and drives it, thanks to its rotational movement, in a horizontal plane.
  • the centrifugal turbine 16 here has a wheel shape. It is described in more detail with reference to figures 2 and 3 .
  • the water discharged by the turbine 16 opens into a distributor 24.
  • the distributor 24 has a plurality of distribution channels extending in a horizontal plane. The distributor 24, and its association with the turbine 16, are described in more detail with reference to the figures 4 and 5 .
  • the distribution channels of the distributor 24 open each inside a hydrocyclone 26, tangentially to the wall of the hydrocyclone.
  • the device 2 here comprises seven hydrocyclones 26, all identical.
  • the hydrocyclones 26 are housed inside the housing 4.
  • the hydrocyclones 26 extend essentially along a vertical axis and are arranged in a circle around the turbine 16.
  • the upper ends of the hydrocyclones 26 are in the same horizontal plane as the distributor 24.
  • the hydrocyclones 26 delimit an essentially cylindrical interior space 28 which extends along a vertical central axis coinciding with the axis of rotation 20.
  • the pump 8 is housed inside the space 28.
  • the shape and operation of the hydrocyclones 26 are described in more detail with reference to the figure 6 .
  • the water separated from its solid particles in the hydrocyclones 26 is discharged into the upper part of the hydrocyclones at the outlet nozzles 30, all identical.
  • Each hydrocyclone 26 has a nozzle 30. All the nozzles 30 open into a conduit 32, connected to a delivery port 34 of the filtered water.
  • the orifice 34 is arranged in the wall of the casing 4 and allows to discharge the filtered water in the pool. Here, the orifice 34 is on the cylindrical part of the casing 4, more than 10 cm, from the upper disc of the casing 4.
  • the actuator moves the valve, in response to a command from the electronic unit 22, from its open position to its closed position or vice versa.
  • the sensor 38 transmits a measurement signal representative of the quantity of solid particles present in the reservoir 36 to the electronic unit 22.
  • the unit 22 automatically controls an opening of the solenoid valve 42 if the transmitted measurement signal exceeds a predetermined threshold , which has been programmed.
  • the figure 2 is a perspective view of the centrifugal turbine 16.
  • the turbine 16 has a solid lower disk 50, centered on the axis of rotation 20.
  • the disk 50 extends in a horizontal plane.
  • the diameter of the disc 50 is less than 12 cm, and preferably less than 10 cm, or 9 cm.
  • the turbine 16 also includes an upper disk 52.
  • the disk 52 has a diameter identical to that of the disk 50 and extends in a plane also horizontal.
  • the disk 52 comprises a circular orifice 54 at its center.
  • the orifice 54 is placed opposite and close to the end 14 of the duct 10.
  • the turbine 16 here comprises seven vanes 56 arranged between the two disks 50 and 52.
  • the vanes 56 are all identical and spaced regularly from each other. On the figure 3 these vanes are visible by transparency through the disk 52.
  • the height of the vanes 56 measured along the Z axis, is equal to the distance separating the two disks 50 and 52.
  • the height of the vanes is between 12 and 20 mm, and preferably between 15 and 18 mm.
  • the height of the turbine 16 along the Z axis corresponds to the height of the blades, added to the thickness along Z of the two disks 50 and 52.
  • the figure 3 shows in greater detail the blades 56 in section along a horizontal plane.
  • An arrow F indicates the direction of rotation of the turbine 16, here in the direction of clockwise.
  • Each blade 56 extends along a non-rectilinear curve that has no point of inflection. Given the thickness of the blades 56, each blade 56 is delimited by two curves 58 and 60 parallel, non-rectilinear and having no point of inflection.
  • Each curve 58, 60 extends from a point A which lies on an inner circle 62 centered on the axis 20, to a point B which is on an outer circle 64, centered on the same axis.
  • the circle 64 coincides with the outer circle delimiting the disc 50.
  • the circle 62 has a diameter greater than or equal to that of the orifice 54.
  • the angle ⁇ between the tangential vector 66 to the curve 60 and the tangent vector 68 to the circle 62 oriented in the opposite direction of rotation of the turbine 16 is between 0 ° and 50 °, and preferably between 0 ° and 40 °.
  • the angle ⁇ is approximately equal to 25 °.
  • Vector 66 is oriented in the direction of flow of water.
  • the angle ⁇ between the tangent vector 70 at the curve 60 and the tangent vector 72 at the circle 64 is between 0 ° and 45 °, and preferably between 0 ° and 30 °, or between 0 ° and 20 °.
  • the two vectors 70 and 72 are oriented in the direction of rotation of the turbine 16.
  • the figure 4 represents in more detail the distributor 24.
  • the distributor 24 serves to guide and accelerate the water to the hydrocyclones 26, while minimizing the losses, and to introduce the water tangentially to the wall of the hydrocyclones 26, with a maximum speed.
  • the distributor 24 has a circular shape that extends in a horizontal plane, and whose height in the Z direction is equal to the height of the turbine 16.
  • the distributor 24 has a central circular housing 80, over its entire height.
  • the turbine 16 is housed inside the housing 80.
  • the diameter of the housing 80 is slightly greater than that of the turbine 16. For example, the clearance between the periphery of the discs 50, 52 and the vertical wall of the housing 80 is less than at 2 mm or 1 mm.
  • the dispenser 24 is fixed.
  • the diameter of the distributor 24 is such that the distributor 24 includes all the upper parts of the hydrocyclones 26, arranged in a circle about the axis 20.
  • the outer circle defining the distributor 24 is less than 5 cm, and preferably less than 3 cm, or 2 cm from the point of the wall of the hydrocyclones 26 farthest from the axis 20.
  • the distributor 24 has a circular orifice by hydrocyclone 26, so that the upper part each hydrocyclone 26 is housed inside the corresponding orifice.
  • the distributor 24 comprises a distribution channel 82 by hydrocyclone 26.
  • the distribution channels 82 here all identical and regularly distributed on the periphery of the housing 80, are therefore seven in number. A single channel 82 is described below.
  • the distributor 24 recovers the water discharged by the turbine 16 into the distribution channels 82 to introduce it inside each hydrocyclone 26, tangentially to the wall of the hydrocyclone 26.
  • Each channel 82 has an inlet port 84 formed in the housing 80, and an outlet port 86, in the wall of a hydrocyclone 26.
  • Two consecutive inlet ports 84 are separated, in a horizontal plane, by an arc 85 defining the housing 80.
  • the angular value of the circular arcs 85, all identical, is preferably less than 20 °, or even 5 °.
  • the inlet ports 84 have a rectangular shape.
  • Each channel 82 extends in a horizontal plane, and the cross section of each channel 82 in this horizontal plane is delimited, on either side, by two curves 88 and 90.
  • These curves 88, 90 correspond to the intersection between the vertical walls of the channel 82 and the horizontal plane.
  • the two curves 88 and 90 are not rectilinear, and have no point of inflection, in order to limit the pressure losses of the water flowing inside the channel 82.
  • the two curves 88 and 90 are progressively closer to each other as one moves from the orifice 84 to the orifice 86.
  • the speed of the water at the outlet of the channel 82 is greater than the speed of the water at the inlet of the channel 82.
  • the centrifugal force in the hydrocyclone 26 will therefore be greater and the separation of the particles higher quality solids.
  • the walls of the channel 82 are smooth in order to limit the friction of the water against the walls and to minimize the pressure losses.
  • Each channel 82 opens into a hydrocyclone 26 at the orifice 86.
  • the curve 90 is tangent to the wall of the hydrocyclone 26, at the orifice 86.
  • the intersection of the curve 90 with the vertical wall of the housing 80 is shown in more detail on the figure 5 .
  • the periphery of the housing 80 is represented by a circle 91.
  • An arrow F indicates the direction of rotation of the turbine 16 inside the central housing 80, here, in the direction of clockwise.
  • Curve 90 intersects circle 91 at point C.
  • the angle ⁇ between a tangent vector 92 at curve 90 at point C and a tangent vector 94 at C at circle 91 is between 0 ° and 45 °. and preferably between 0 ° and 30 °, or between 0 ° and 20 °.
  • the angle ⁇ is chosen equal to the angle ⁇ ( figure 3 ) within +/- 20% or within 10%.
  • the two vectors 92 and 94 are oriented in the direction of flow of the water.
  • the figure 6 represents, in section, the half-hydrocyclone 26.
  • the hydrocyclones 26 are symmetrical with respect to a vertical axis, one half of a hydrocyclone 26 is thus represented only.
  • the hydrocyclone 26 conventionally comprises a cylindrical upper portion 100 of circular section, and below, a cone 102 whose section in a horizontal plane decreases away from the upper part 100. Below the cone 102, lies a collection end 104 of the solid particles separated from the water. This end 104 is cylindrical of circular section, equal to the section of the lower end of the cone 102.
  • the hydrocyclone 26 comprises in the part 100 a water inlet port, which corresponds to the outlet port 86 distribution channel 82 opening tangentially inside this hydrocyclone 26.
  • the orifice 86 has a rectangular section in a vertical plane. Here, the orifice 86 adjoins the upper end of the hydrocyclone 26.
  • the hydrocyclone 26 also comprises an outlet nozzle 30, through which the filtered water leaves.
  • the nozzle 30 is in the center of the cylindrical portion 100, it has a section in a horizontal plane, circular. One end of the nozzle 30 is inside the cylindrical portion 100. The other end is fluidly connected to the conduit 32.
  • the water is introduced into the hydrocyclone 26 through the tangential inlet orifice 86, which gives it a rotational movement, which generates the centrifugal force.
  • This centrifugal force separates water from particles that are denser than water.
  • the particles that are denser than the water fall into the collection end 104.
  • the solenoid valve 112 is identical to the solenoid valve 42.
  • the device 110 here comprises a sensor 114 placed on the outside of a hydrocyclone 26 and against a wall of the collection end 104.
  • the sensor 114 transmits a measurement signal representative of the quantity of solid particles present in the end at the electronic unit 22.
  • the sensor 114 is an optical sensor.
  • the wall of the collection end 104 is transparent to light.
  • the number of hydrocyclones may be different from seven. However, the number of hydrocyclones is greater than three or four, and preferably greater than eight or ten.
  • hydrocyclones may not all be identical.
  • a hydrocyclone is smaller than the others.
  • the number of blades in the turbine may be different from the number of hydrocyclones.
  • the number of blades is less than the number of hydrocyclones.
  • the number of bladders can also be greater than the number of hydrocyclones.
  • the number of distribution channels of the dispenser may be greater than the number of hydrocyclones. In this case, more than one distribution channel opens in the same hydrocyclone.
  • the centrifugal turbine may be different from a wheel. For example, it is replaced by a helix.
  • the filtration device may comprise a sieve, placed upstream of the pump, which pre-filters the larger solid particles.
  • the circle 64 of the turbine may have a smaller diameter than the disk 50. In this case, the blades do not reach the contour of the disk 50.
  • the turbine may not have an upper disk 52.
  • the blades 56 may be in three dimensions, that is to say that the curves in which each blade 48 extends in different horizontal section planes are different.
  • the electronic unit 22 can be outside the housing 4.
  • the reservoir 36 may not be connected at all to the sewer or to a lost well. In this case, the device requires regular manual emptying of the tank 36.
  • the device 110 may comprise a sensor 114 by collecting end 104.
  • the electronic unit 22 can control each solenoid valve 112 independently of the others, or all the solenoid valves 112 at the same time.
  • the solenoid valve 42 or 112 is replaced by a manual valve.
  • the solenoid valves 42 and 112 are omitted.
  • the actuator of the solenoid valves 42 or 112 may be a motor.
  • the sensor 38 may be replaced by an optical sensor, placed next to the reservoir 36. In this case, the wall of the reservoir 36 must be transparent to the light. Similarly, the sensor 114 may be a piezoelectric sensor, placed in the collection end 104. Alternatively, the sensor 38 or 114 is omitted. In this case, the unit 22 is programmed to control the opening of the solenoid valves 42 or 112 at regular intervals.
  • the device may comprise a reservoir per hydrocyclone, and not a single common reservoir.
  • the reservoir 36 is omitted.
  • the collection ends 104 are each directly directly connected to the orifice 40.
  • the hydrocyclones can be inclined with respect to a vertical axis.
  • the housing may not be cylindrical. For example, it can have a cubic form.
  • the speed of the engine 18 may be variable.
  • the set of devices 2 or 110 may not be placed in a housing 4.
  • each element of the device is itself waterproof.
  • the electronic control unit 22 can be placed inside or outside the housing.
  • the angle ⁇ between 0 ° and 45 ° can also be the angle between the tangent to the curve 88 and the tangent to the circle 91, at the point of intersection of the curve 88 and the circle 91. This property of the angle ⁇ can also relate to the two curves 88 and 90.
  • the solenoid valves 42, 112 and the control unit 22 for these solenoid valves can be implemented independently of the presence or absence of the pump 8 inside the casing 4.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Water Supply & Treatment (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cyclones (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (11)

  1. Vorrichtung (2; 100) zum Filtern von Schwimmbadwasser, umfassend:
    - mindestens zwei Öffnungen zum Ansaugen (6) des Wassers bzw. zum Einleiten (34) des gefilterten Wassers,
    - mindestens drei Hydrozyklone (26), die jeweils einen Zyklonfilter bilden, der geeignet ist, die in diesem Wasser enthaltenen Festpartikel aus dem Wasser abzuscheiden, wobei diese Hydrozyklone (26) im Kreis angeordnet sind, um einen im Wesentlichen zylindrischen Innenraum (28) zu begrenzen, der sich entlang einer Mittelachse (20) erstreckt,
    - eine Pumpe (8), die mit der Ansaugöffnung (6) durch eine Leitung (10) in Fluidverbindung steht, und
    - einen Verteiler (24), der geeignet ist, das von der Pumpe geförderte Wasser wiederzugewinnen und es in das Innere der Hydrozyklone (26) einzuleiten, wobei dieser Verteiler (24) mindestens einen Verteilungskanal (82) pro Hydrozyklon (26) umfasst, wobei sich jeder Kanal (82) in einer Ebene senkrecht zur Mittelachse (20) von einer Eingangsöffnung (84), die in einer kreisförmigen zentralen Lagerung (80) ausgebildet ist, bis zu einer Ausgangsöffnung (86), die in einer Wand eines Hydrozyklons (26) ausgebildet ist, erstreckt, wobei jeder Kanal (82) im Inneren des Hydrozyklons (26) tangential zur Wand dieses Hydrozyklons (26) mündet,
    dadurch gekennzeichnet, dass die Pumpe (8) im Inneren des im Wesentlichen zylindrischen Raums (28) angeordnet ist, wobei diese Pumpe (8) umfasst:
    * eine Zentrifugalturbine (16), umfassend eine Drehachse (20), die mit der Mittelachse zusammenfällt und geeignet ist, das Wasser aus dem Schwimmbad in eine Richtung parallel zur Drehachse (20) zu entnehmen und es in Richtungen senkrecht zur Drehachse (20) zu befördern, wobei die Zentrifugalturbine (16) innerhalb der zentralen Lagerung (80) des Verteilers gegenüber den Eingangsöffnungen (84) der Kanäle angeordnet ist, und
    * einen Elektromotor (18), der geeignet ist, die Turbine (16) in Drehung anzutreiben.
  2. Vorrichtung (2; 110) nach Anspruch 1, wobei die Vorrichtung ein wasserdichtes Gehäuse (4) umfasst, in dem die Hydrozyklone (26), die Pumpe (8), der Verteiler (24) angeordnet sind, wobei dieses Gehäuse (4) mindestens die beiden Öffnungen zum Ansaugen (6) des Wassers bzw. zum Einleiten (34) des gefilterten Wassers umfasst.
  3. Vorrichtung (110) nach einem der vorhergehenden Ansprüche, bei der jeder Hydrozyklon (26) ein Ende (104) zum Sammeln der Festpartikel, die aus dem Wasser abgeschieden wurden, umfasst, und wobei die Vorrichtung (110) umfasst:
    - mindestens einen Behälter (36), der geeignet ist, die durch die Hydrozyklone (26) aus dem Wasser abgeschiedenen Festpartikel wiederzugewinnen, und mit mindestens einem Sammelende (104) in Fluidverbindung steht,
    - mindestens ein steuerbares Magnetventil (112), das zwischen mindestens einem dieser Sammelenden (104) und dem Behälter (36) angeordnet ist, wobei dieses Magnetventil (112) geeignet ist, sich als Antwort auf eine Steuerung zu verschieben zwischen:
    * einer offenen Position, in der die Festpartikel vom Sammelende (104) bis zum Behälter (36) zirkulieren können, und alternierend
    * einer geschlossenen Position, in der die Festpartikel nicht vom Sammelende (104) bis zum Behälter (36) zirkulieren können,
    - eine automatische elektronische Steuereinheit (22) für das mindestens eine Magnetventil (112).
  4. Vorrichtung (2) nach Anspruch 1 oder 2, bei der jeder Hydrozyklon (26) ein Ende (104) zu Sammeln der aus dem Wasser abgeschiedenen Festpartikel umfasst, und wobei die Vorrichtung (2) umfasst:
    - mindestens ein steuerbares Magnetventil (42), das zwischen diesem Sammelende (104) und einer Öffnung (40) zur Ableitung der Festpartikel aus dem Gehäuse (4) angeordnet ist, wobei dieses Magnetventil (42) geeignet ist, sich als Antwort auf eine Steuerung zu verschieben zwischen:
    * einer offenen Position, in der die Festpartikel durch die Ausleitungsöffnung (40) zirkulieren können, und alternierend
    * einer geschlossenen Position, in der die Festpartikel nicht durch die Ableitungsöffnung (40) zirkulieren können,
    - eine automatische elektronische Steuereinheit (22) für das mindestens eine Magnetventil (42).
  5. Vorrichtung (2; 110) nach Anspruch 3 oder 4, bei der:
    - die Vorrichtung (2; 110) mindestens einen Festpartikelsensor (38; 114) umfasst, der geeignet ist, ein Messsignal, das für die Menge an Festpartikeln, die in dem Sammelende (104) eines Hydrozyklons oder in dem Behälter (36) an der elektronischen Einheit (22) vorhanden ist, repräsentativ ist, zu übertragen, und
    - diese elektronische Einheit (22) programmiert ist, um automatisch ein Öffnen des Magnetventils (42; 112) als Antwort auf die Überschreitung einer vorbestimmten Schwelle durch dieses Messsignal zu steuern.
  6. Vorrichtung (2; 110) nach einem der vorhergehenden Ansprüche, bei der die Leitung (10), die die Pumpe (8) an die Ansaugöffnung (6) anschließt, eine kegelstumpfartige Leitung ist, umfassend zwei Enden (12, 14) mit unterschiedlichen Querschnitten, wobei das Ende mit dem größeren Querschnitt (12) direkt an die Ansaugöffnung (6) angeschlossen ist.
  7. Vorrichtung (2; 110) nach einem der vorhergehenden Ansprüche, bei der die Zentrifugalturbine (16) umfasst:
    - eine volle Scheibe (50), die sich in einer Ebene senkrecht auf die Drehachse (20) der Turbine erstreckt,
    - mindestens drei identische Schaufeln (56), die regelmäßig beabstandet und auf der Scheibe (50) angeordnet sind, wobei sich der Querschnitt jeder Schaufel (56) in einer Querebene senkrecht auf die Drehachse (20) entlang einer nicht geradlinigen Kurve (58, 60) ohne Wendepunkt erstreckt, wobei sich diese Kurve von einem auf die Drehachse (20) der Turbine zentrierten Innenkreis (62) bis zu einem auf dieselbe Achse zentrierten Außenkreis (64) erstreckt, und derart, dass:
    * am Schnittpunkt mit dem Innenkreis (62) der Winkel zwischen der Tangente (66) an diese Kurve und der Tangente (68) an den Innenkreis zwischen 0° und 50° beträgt, und
    * am Schnittpunkt mit dem Außenkreis (64) der Winkel zwischen der Tangente (70) an diese Kurve und der Tangente (72) an den Außenkreis zwischen 0° und 45° beträgt.
  8. Vorrichtung (2; 110) nach einem der vorhergehenden Ansprüche, bei der der Querschnitt jedes Verteilungskanals (82) in einer Querebene senkrecht auf die Drehachse (20) auf beiden Seiten durch zwei nicht geradlinige Kurven (88, 90) und ohne Wendepunkt begrenzt ist, wobei sich diese beiden Kurven (88, 90) progressiv einander im Zuge der Bewegung von der Eingangsöffnung (84) zur Ausgangsöffnung (86) annähern.
  9. Vorrichtung (2; 110) nach einem der vorhergehenden Ansprüche, bei der:
    - der Querschnitt jedes Verteilungskanals (82) in einer Querebene senkrecht auf die Drehachse (20) auf beiden Seiten durch zwei nicht geradlinige Kurven (88, 90) ohne Wendepunkt begrenzt ist, und
    - der Winkel im Bereich der Eingangsöffnung (84) zwischen der Tangente (92) an eine der beiden Kurven (88, 90), die jeden Kanal (82) begrenzen, und der Tangente (94) an die kreisförmige zentrale Lagerung (80) zwischen 0° und 45° beträgt.
  10. Vorrichtung (2; 110) nach einem der vorhergehenden Ansprüche, wobei die Vorrichtung (2; 110) mindestens sieben Hydrozyklone (26) umfasst.
  11. Vorrichtung (2; 110) nach einem der vorhergehenden Ansprüche, bei der die Hydrozyklone (26) alle identisch sind.
EP13792886.7A 2012-11-15 2013-11-12 Filtereinheit für schwimmbad Not-in-force EP2919915B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1260890A FR2997870B1 (fr) 2012-11-15 2012-11-15 Dispositif de filtration d'eau de piscine
PCT/EP2013/073657 WO2014076098A1 (fr) 2012-11-15 2013-11-12 Dispositif de filtration d'eau de piscine

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EP2919915A1 EP2919915A1 (de) 2015-09-23
EP2919915B1 true EP2919915B1 (de) 2017-01-11

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EP (1) EP2919915B1 (de)
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Cited By (9)

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US9885196B2 (en) 2015-01-26 2018-02-06 Hayward Industries, Inc. Pool cleaner power coupling
US9909333B2 (en) 2015-01-26 2018-03-06 Hayward Industries, Inc. Swimming pool cleaner with hydrocyclonic particle separator and/or six-roller drive system
US10557278B2 (en) 2015-01-26 2020-02-11 Hayward Industries, Inc. Pool cleaner with cyclonic flow
US11236523B2 (en) 2015-01-26 2022-02-01 Hayward Industries, Inc. Pool cleaner with cyclonic flow
US9885194B1 (en) 2017-05-11 2018-02-06 Hayward Industries, Inc. Pool cleaner impeller subassembly
US9896858B1 (en) 2017-05-11 2018-02-20 Hayward Industries, Inc. Hydrocyclonic pool cleaner
US10156083B2 (en) 2017-05-11 2018-12-18 Hayward Industries, Inc. Pool cleaner power coupling
US10253517B2 (en) 2017-05-11 2019-04-09 Hayward Industries, Inc. Hydrocyclonic pool cleaner
US10767382B2 (en) 2017-05-11 2020-09-08 Hayward Industries, Inc. Pool cleaner impeller subassembly

Also Published As

Publication number Publication date
ES2621670T3 (es) 2017-07-04
EP2919915A1 (de) 2015-09-23
US9656277B2 (en) 2017-05-23
US20160271627A1 (en) 2016-09-22
WO2014076098A1 (fr) 2014-05-22
FR2997870A1 (fr) 2014-05-16
FR2997870B1 (fr) 2015-01-16

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