EP3673126A1 - Appareil nettoyeur de piscine à dispositif de séparation de débris par centrifugation et filtration - Google Patents
Appareil nettoyeur de piscine à dispositif de séparation de débris par centrifugation et filtrationInfo
- Publication number
- EP3673126A1 EP3673126A1 EP18778879.9A EP18778879A EP3673126A1 EP 3673126 A1 EP3673126 A1 EP 3673126A1 EP 18778879 A EP18778879 A EP 18778879A EP 3673126 A1 EP3673126 A1 EP 3673126A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- debris
- liquid
- filtration
- chamber
- cleaning apparatus
- 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.)
- Granted
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 93
- 238000004140 cleaning Methods 0.000 title claims abstract description 79
- 238000000926 separation method Methods 0.000 title claims abstract description 65
- 230000009182 swimming Effects 0.000 title claims abstract description 15
- 238000009987 spinning Methods 0.000 title abstract 2
- 239000007788 liquid Substances 0.000 claims abstract description 86
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 238000005119 centrifugation Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000012986 modification Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 34
- 239000002245 particle Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Classifications
-
- 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
- E04H4/14—Parts, details or accessories not otherwise provided for
- E04H4/16—Parts, details or accessories not otherwise provided for specially adapted for cleaning
- E04H4/1654—Self-propelled cleaners
-
- 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
Definitions
- the present invention relates to the field of swimming pool equipment. It relates more particularly to a robot-type autonomous pool cleaning apparatus comprising a water circuit to be cleaned and at least one debris filtering means present in suspension in water.
- the invention relates to a device for cleaning a surface immersed in a liquid, such as a surface formed by the walls of a pool, in particular a swimming pool. More specifically, the invention refers to a mobile pool cleaning robot. Such a cleaning robot performs said cleaning by browsing and brushing the walls of the pool, and sucking any debris to a filter adapted to collect said debris.
- Debris here means all the particles present in the basin and having a surface or volume measurement within a predetermined interval whose terminals are functions of the technical characteristics of the robot, so that, on the one hand, the lower limit allows the entry of said particles into the filter device, and, on the other hand, the upper terminal prevents the output of said particles from the filter device.
- Such debris may comprise, for example, pieces of leaves, microalgae, etc., these debris being normally deposited at the bottom of the basin or glued to the side walls thereof.
- the robot is powered by an electrical cable connecting the robot to an outdoor control unit and power supply.
- immersed surface cleaning devices including removable filter device.
- Such devices comprise a body, drive members of said body on the immersed surface, a filtration chamber formed within the body and comprising a liquid inlet, a liquid outlet, a hydraulic circuit for liquid circulation between the input and output through a filter device.
- the filtering device is removable and extractable from the body of the device without having to return the cleaning device.
- These devices have automatic programs for cleaning the bottom of the basin and possibly the side walls of the basin. Such a program determines a cleaning of the pool in a predetermined time.
- the robot is removed from the water by the user at the end of the cycle or at regular intervals, when the filter can no longer perform its functions due to an excess of particles (leaves, microparticles, etc.), and needs to be cleaned.
- the robot's external control and power unit emits a light signal when this filter cleaning operation is to be performed.
- the object of the invention is to overcome this drawback.
- the invention aims in a first aspect a device, or housing, separation of debris suspended in a liquid, for swimming pool cleaning apparatus, said pool cleaning apparatus comprising:
- At least one liquid circulation hydraulic circuit between at least one liquid inlet and at least one liquid outlet, and through the debris separation device suspended in the liquid
- the device for separating debris suspended in a liquid comprises:
- centrifugation means of debris suspended in the liquid and means for collecting these centrifuged debris.
- pool cleaning apparatus is intended to mean an apparatus for cleaning a submerged surface, that is to say typically a device, mobile within or at the bottom of a swimming pool, and adapted to carry out the filtration. debris deposited both at the bottom and on a wall.
- a pool cleaning robot when it comprises means of automated management of movements at the bottom and on the walls of the pool to cover the entire surface to be cleaned.
- liquid Abbreviated as “liquid”, the term “liquid” is used to describe the mixture of water and debris, or particles, suspended in the pool or in the fluid circulation circuit within the cleaning apparatus.
- Debris separation means any form of segregation of suspended debris to produce at the outlet of the separation device a liquid free of debris.
- the segregation means can in particular comprise means for centrifugation or filtration.
- the centrifugation means advantageously allow mechanical separation of the particles, via the centrifugal force.
- the separation device comprises a supply channel, or intake, liquid opening in a tangential direction in a debris separation chamber, or filtration chamber, defining a substantially cylindrical volume, said communicating filtration chamber with the centrifuged debris collection tank.
- the liquid supply channel opens tangentially to a cylindrical wall of the filtration chamber.
- the liquid supply channel is configured, shaped and sized, so as to drive a high speed of the liquid laden with debris.
- the invention also fulfills the following characteristics, implemented separately or in each of their technically operating combinations.
- the filtration chamber and the centrifuged debris collection tank communicate through an opening in the cylindrical wall of the filtration chamber.
- the opening is preferably arranged in the lower part of the cylindrical volume of the filtration chamber, when the separation device is in place in the body of the robot.
- the centrifuged debris collection tank forms a radial outgrowth external to the cylindrical volume defined by the filtration chamber, from the cylindrical wall.
- the centrifuged debris collection tank extends radially outside the filtration chamber from the cylindrical wall.
- the axis of the filtration chamber is preferably parallel to a horizontal plane XY of the cleaning apparatus.
- the centrifuged debris collection tank is at the bottom of the separation device when said separation device is inserted into the robot body.
- the separation device also comprises a filtration device.
- the filtration device is arranged in the center of the filtration chamber.
- lighter and smaller debris those that are not centrifuged, are filtered.
- the filtration device comprises a tangential filtration device.
- the filtration device comprises a front filtration device.
- the front filtration device is inserted into the tangential filtration device removably, which allows easy cleaning and compactness of the device.
- the separation device is such that the filtration device is removable from said debris separation device. This is also favorable for easy cleaning of the pool cleaner.
- the separating device comprises two lateral faces, one of the faces forming a cover and being hermetically mounted, removably, on the filtration chamber.
- the filter device forms a predominantly cylindrical volume coaxially mounted in the central portion of the filtration chamber, and configured to separate the internal volume of said chamber from at least one filtered liquid outlet port.
- the separation device comprises, between the filtration chamber and the centrifuged debris collection tank, a baffle formed by a portion of the cylindrical wall of the filtration chamber that extends over the tank of collection of centrifuged debris.
- the separation device comprises, between the filtration chamber and the debris collection tank, a baffle forming a wall of continuity convex with the cylindrical wall of the chamber.
- a baffle creates a zone in which the speed of the liquid is low compared with its speed in the centrifugal filtration chamber. As a result, the debris naturally settle in said collection tank and remain there.
- this baffle makes it possible to homogenize the peripheral speed in the filtration chamber and thus improve the centrifugation of the debris. It also makes it possible to generate reverse circulation in the trap zone, thus preventing debris from returning to the filtration chamber.
- the baffle determines an angular aperture (a) of about 60 ° from the filtration chamber to the collection pan.
- the invention aims in a second aspect a swimming pool cleaning apparatus having a separating device as explained above, the separating device being removably mounted in the pool cleaning apparatus. More particularly in this case, the axis of the cylindrical filtration chamber is parallel to a horizontal plane XY of the apparatus.
- the axis of the cylindrical filtration chamber is parallel to a transverse axis Y of the apparatus.
- the invention also relates to a modification kit for swimming pool cleaning apparatus, said kit comprising a separation device as explained, and means for adapting this separation device to the body of the pool cleaning apparatus .
- the invention also relates to an immersed surface cleaning apparatus characterized in combination by all or some of the characteristics mentioned above or below.
- FIG. 1 illustrates a perspective view of a swimming pool cleaning apparatus implementing a debris separation device as described
- FIG. 2 illustrates a front view of the same apparatus
- FIG. 3 illustrates a view from above of the same apparatus
- FIG. 4 is a sectional view of the cleaning apparatus, in a longitudinal vertical plane
- FIG. 5 illustrates the disassembly of the filter assembly of said separation box
- FIG. 6 illustrates the disassembly of the separation box extracted from the body of the apparatus
- FIG. 7 is a sectional view of the cleaning apparatus, in a longitudinal vertical plane
- FIG. 8 illustrates in more detail the constituent elements of the filter assembly
- FIG. 9 illustrates the current lines within the cleaning device when it is operating in a swimming pool
- Figure 10 illustrates two delimitation curves between the particles that will be centrifuged and those that will not be obtained, for two examples of cleaning devices.
- the invention finds its place in a swimming pool technical environment, for example a family-type buried pool.
- a submerged surface cleaning system comprises, in the present embodiment, a cleaning apparatus 10, hereinafter referred to as a pool cleaning robot, and a feeding and control unit of said pool cleaning robot (not shown on the figures).
- this power supply and control unit can be integrated into the cleaning apparatus.
- the pool cleaning robot 10 is shown according to an embodiment given here by way of example, in FIGS. 1, 2 and 3.
- the type of pool cleaning robot 10 is here with water ejection tilted towards the rear of the cleaning apparatus, relative to the running surface of the pool cleaning robot.
- the pool cleaning robot 10 comprises a body 11 and drive and guide members 12 of the body 1 1 on a submerged surface.
- these driving and guiding members 12 consist of wheels arranged laterally to the body January 1 (see in particular Figure 1).
- the driving and guiding members define an XY guide plane on a surface immersed by their points of contact with said immersed surface.
- Said guide plane is generally substantially tangent to the immersed surface at the point where the pool cleaning robot is located.
- Said XY guide plane is for example substantially horizontal when the pool cleaning robot moves on a submerged surface of the pool floor.
- 10 further comprises a motor 13 driving said driving and guiding members 12, said motor 13 being, in the present example, supplied with energy by the control and control unit via a flexible flexible cable 14, a part of which is visible in Figures 1 to 4, the insertion point of this cable 14 in the body 1 1 of the pool cleaning robot 10.
- the pool cleaning robot 10 has at least one liquid inlet 15 and one liquid outlet 16.
- the liquid inlet 15 is located at the base of the body 1 1 (in others terms below it along the vertical axis Z), that is to say immediately facing a submerged surface on which moves the pool cleaning robot 10 in order to suck debris accumulated on said submerged surface .
- the pool cleaning robot 10 usually comprises a brush, for example with multiple concentric lamellae, intended to come off the particles, or debris, deposited on the walls of the pool.
- the liquid outlet 16 is located at the rear and in the upper part of the pool cleaning robot 10 in the longitudinal direction X.
- the liquid outlet 16 is in a rearward direction of the pool cleaning robot 10. the device.
- This provision is however not limiting, and a water outlet substantially perpendicular to the XY guide plane, that is to say oriented vertically (Z direction) if the pool cleaning robot 10 rests on the bottom of the pool, is also possible.
- the apparatus comprises a hydraulic circuit connecting the liquid inlet 15 to the liquid outlet 16.
- the hydraulic circuit is adapted to be able to ensure a circulation of liquid from the liquid inlet 15 to the liquid outlet 16.
- the apparatus comprises for this purpose a circulation pump comprising the motor 13 of the electric type already mentioned, and a propeller 17 (see FIG. 4), said motor 13 driving the propeller 17 in rotation, said propeller 17 being arranged in the hydraulic circuit.
- the apparatus comprises a liquid-suspended debris separation device, hereinafter referred to as the separation housing 18.
- the separation housing 18 disposed on the hydraulic circuit downstream of the liquid inlet 15. separation 18 is advantageously, but not necessarily, of the extractable type of the body 1 1 of the pool cleaning robot 10. This arrangement is illustrated in FIG.
- the separation box 18 firstly comprises a substantially cylindrical volume whose internal part forms a filtration chamber 22.
- the axis of this cylindrical volume is, in the present non-limiting embodiment, parallel to the transverse axis Y of the pool cleaning robot 10.
- the separation housing 18 is completed in the lower part by a storage bin 23, or collection tank, debris, said tray 23 coming in continuity of the cylindrical volume in the lower part thereof. In other words, the tray 23 for collecting debris is not contained in the cylindrical volume.
- the debris collection bin is communicating with the cylindrical volume.
- the separation box 18 is completed in the front part by an inlet channel, or supply, liquid 24 in said cylindrical filtration chamber 22, this liquid inlet channel 24 being connected to the liquid inlet 15 .
- the separation housing 18 is disassembled in the form of a housing body 20 and a filter assembly 21.
- the housing body 20 comprises in its upper part a handle 19, here made integrally with said housing body 20, and adapted to allow the extraction of the separation housing 18 of the body 1 1 of the pool cleaning robot 10.
- the handle 19 is movable relative to the housing body 20.
- the substantially cylindrical volume forming the filtration chamber 22 consists of a cylindrical wall 201 (of axis here parallel to the transverse axis Y when the housing separation device 18 is mounted on the body 1 1 of the robot 10), and two lateral faces (perpendicular to this transverse axis Y), the cylindrical wall 201 and a first lateral face, said external lateral face, of the cylindrical volume forming a chamber.
- filtration 22 being included in the housing body 20, while the second side face, said internal side face, is included in the filter assembly 21.
- the cylindrical wall 201 has two openings:
- the liquid inlet channel 24 and the filtration chamber 22 partly form the debris centrifuge means.
- the liquid inlet channel 24 has in the horizontal plane XY an elongated substantially rectangular section.
- the water inlet channel which connects the liquid inlet 15 to the filtration chamber 22 in the front portion thereof , present in the vertical plane XZ a slightly curved profile ending in the upper part 24a of said liquid inlet channel 24 by a direction of substantially vertical water flow.
- the liquid inlet duct 24 is thus disposed at its upper part 24a tangentially to the cylindrical wall 201 of the filtration chamber 22.
- the liquid inlet duct 24 then merges with the filtration chamber 22, the wall of which cylindrical present in this place an opening, said mouth, allowing the liquid inlet almost tangentially to the cylindrical wall 201 in its inner face.
- the flow of liquid in the filtration chamber 22 is tangential to the wall, which gives the liquid a rotational movement within said filter chamber 22, the speed of this flow being determined by various parameters of which the power of the fluid circulation pump, the section of the liquid inlet 15 and the pressure drops in the liquid circuit.
- a centrifugation effect of predetermined intensity is generated for the densest particles, present in the liquid and thus driven in circular motion in the cylindrical volume of the filtration chamber 22.
- the centrifuged particles are recovered in the tray 23 for collecting debris.
- the centrifugation effect is also obtained from a suitable geometry of the liquid admission channel 24 and the filtration chamber 22, and of a suitable size of the mouth.
- the skilled person is able, in view of his knowledge, to define the conditions and particular geometries to allow centrifugation of debris suspended in a liquid.
- the tray 21 for collecting debris arranged under the filtration chamber 22, has in the longitudinal vertical plane XZ a section formed in the front part by the curved wall of the liquid inlet channel 24, in the rear part by a flat surface, here both tangential to the cylindrical wall 201 of the housing body 20.
- these two walls are arranged in substantially perpendicular planes.
- this section of the collection tank 23 is thus open on the filtration chamber 22 over at most a quarter of the circumference of said cylindrical filtration chamber 22.
- the precise angle ⁇ (FIG. 9) of angular opening of the cylindrical chamber towards the collection tank 23 is determined by the choice of the length of a portion of the cylindrical wall of the filtration chamber 22 which extends above the collection tank 23 and thus forming a baffle 34 which constrains the circulation of the liquid.
- the angular aperture a of the cylindrical filtration chamber 22 towards the debris collection tank 23 is about 60 ° of the circumference of said cylindrical filtration chamber 22.
- lower or higher values of this opening angle ⁇ can be envisaged.
- the effect of the baffle 34 is to create within the collection tank a zone of almost zero velocity of the liquid, which allows debris centrifuged in the cylindrical filtration chamber 22 to be deposited in the collection tank 23 and to remain there without being again dragged into the flow by the rapid movement of the liquid in the filtration chamber 22.
- the filter assembly 21 is removable from the housing body 20, for allow the user to clean the inside of the housing body 20 and the filter assembly 21. In the closed position, the filter assembly 21 is hermetically assembled on the housing body 20.
- the hermetic fastening means of the filter assembly 21 on the case body 20 are of a type known to those skilled in the art and come out as such from the scope of the present invention. The same is true of the fixing means of the separation box 18 on the body 1 1 of the pool cleaning robot 10.
- the filter assembly 21 comprises a support plate 25, forming the second lateral face of the filtration chamber 22 mentioned above, and two coaxial filters 26, 27.
- the external filter 26 is of the mesh filter type supported by a filter structure. support, here represented by three circles connected by four spacers.
- This filter is made of material adapted to retain particles larger than 300 microns. This value is given for information only; it can vary between 200 and 700 ⁇ .
- This filter is used to collect large non-centrifuged particles (pieces of leaves or grass). This filter can be used alone outside the period of use of the pool to remove large debris such as leaves.
- the internal filter 27 is of accordion cartridge filter type. It is adapted to retain particles suspended in the liquid having dimensions greater than 50 microns. The folds make it possible to significantly increase the filtering surface and thus to limit the clogging of this filter
- the diameter of the internal filter 27 is adapted to be inserted into the outer filter 26 with a clearance of less than a few millimeters.
- the water inlet to be filtered is through the outside of the filter and the water outlet filtered by the inner portion of said filter. In this way, the outlet of the water having passed through the two coaxial filters 26, 27 is through the axial zone of the filter assembly 21.
- the support plate 25 has in its central part an axial opening 28, intended to come opposite the axial zone of the filters 26, 27, when they are assembled in the separation housing 18 and to allow the filtered water outlet out of the separation housing by this second side end wall.
- the diameter of this axial opening is substantially identical to the internal diameter of the filter cartridge 27, in order to limit the pressure drops in the hydraulic circuit.
- the housing body 20 has an axial opening (28 in FIGS. 4, 7 and 9) in the central part of the first end wall of the cylindrical volume, in order to provide another filtered liquid outlet at the other end of the coaxial filters 26, 27, when these are assembled in the separation housing 18.
- the two coaxial filters 26, 27 are clamped between, on one side, the lateral face of the body of the casing 20 forming the first lateral face of the separation casing 18 and, on the other hand, the support plate 25 forming a second lateral face of the separation housing 18, when the filter assembly 21 is mounted in the housing body 20 to form the separation housing 18.
- This assembly of the two coaxial filters 26, 27 on the side faces of the separation housing 18 is hermetic to avoid as much as possible the passage of unfiltered water to the water circulation pump.
- the housing body 20 and the support plate 25 are made of plastic or other suitable material, by techniques known to those skilled in the art, for example molding, gluing, etc.
- the separation housing 18 is inserted, when assembled on the body 1 1 of the pool cleaning robot 10, between two flat walls 29 shaped discs (only one of these planar walls being visible in Figures 5 and 6). These flat walls 29 here protect the lateral faces of the body of the housing 20 and allow a better guidance when placing the separation housing 18.
- planar walls 29 have attachment points 31 (see FIG. 1) on the frame of the body 11 which determine the positioning of the separation box 18 with respect to the body 11 of the robot 10 and in particular positioning the water intake channel 24 above the water inlet 15 (see FIGS. 4 and 8) to ensure continuity of the liquid flow.
- Each of these flat walls 29 comprises at its center an opening 30 (see FIG. 5) intended for the passage of the filtered water, said opening 30 coming opposite the corresponding axial opening 28 of the body of the casing 20 when this latter is assembled on the body 1 1 of the robot 10.
- each of the flat walls 29 has a seal adapted to provide a seal of the filtered water circuit, when the robot 10 is in use.
- the robot 10 comprises a filtered water collection tube 31.
- This filtered water collection tube 31 which is substantially U-shaped, is disposed at the rear of the container. 1 1 body of the robot, and has two lateral arms 32, each of these arms 32 being connected to a side wall 29 at the axial opening 30.
- the two lateral arms 32 meet above a water intake zone 33 of the propeller 17 of the fluid circulation pump. In this way, the water collected at the outlet of the two lateral faces of the separation housing 18, through the side walls 29, is brought back to the circulation pump and evacuated at the rear of the pool cleaning robot 10.
- the filtered water collection tube 31 has a geometry such that the water outlet of the tube is located at look the water inlet of the liquid circulation pump.
- the side walls 29 and the filtered water collection tube 31 are therefore specific to the robot model 10, while the separation box 18 is unchanged for a set of robots.
- a rapid circulation movement of the liquid to be filtered is set up within the cylindrical filtration chamber 22 around the axis of the latter. As seen above, the heavier particles are centrifuged and gradually settle in the collection bin 23.
- the other particles, suspended in the liquid continue to rotate in the cylindrical chamber and are progressively sucked towards the filter assembly by the effect of the depression created by the liquid circulation pump.
- the largest particles (diameter greater than 300 microns) are retained by the external filter 26, they sweep permanently tangentially under the effect of the flow of fluid in the filtration chamber 22.
- This external filter can be assimilated 26 to a tangential filtration device. They thus contribute to continuously decolouring this external filter 26.
- the smaller particles (dimensions less than 300 microns) pass through the external filter 26, and the liquid flow is then substantially frontal at the outlet of the external filter 26 and at the inlet of the filter internal 27 with filter cartridge, which constitutes favorable conditions of use of this type of filter.
- This internal filter 27 can be likened to a front filtration device. As the internal filter 27 becomes clogged, the suction pressure decreases in the liquid circuit, at unchanged pumping power, and the circulation velocity decreases in the filtration chamber 22, which reduces the effect of sweeping of the external filter by the large particles and thus increases the clogging of this external filter. During all this time, the largest debris remains in the debris collection tank 23, whose internal liquid speed is very low compared to the speed in the chamber Filtration 22.
- an alert signal is sent to the user of the pool cleaning robot 10, which then leaves it from the pool, extracts the housing 18, opens to extract the filter assembly 21, disassembles the external filter 26 and the internal filter 27, and cleans them with large water, and the collection tank 23.
- the filtration efficiency is significantly improved by the use of centrifugation and segregation of centrifuged debris together with a two-level filtration device, tangential and frontal, which reduces the number of filter cleanings to be performed by the user for the same total amount of debris extracted from the liquid.
- Figure 10 illustrates two curves obtained for two cleaning devices that differ only in the size of the mouth. Each curve is a delimitation curve between the particles that will be centrifuged and those that will not, depending on the density and size (diameter) of the particles.
- Curve 1 was obtained for a cleaning apparatus with a rectangular mouth 38 mm high, inducing a fluid velocity of about 0.75 ms -1 in the filtration chamber 22 for a liquid flow of 15 m 3 hr. "1 .
- Curve 2 was obtained for a cleaning apparatus with a rectangular mouth height of 20 mm, inducing a speed of fluid of about 1 .15 ms -1 in the filtration chamber 22 for a liquid flow rate of 15 m 3 h -1 .
- the particles in the area below the curve can not be centrifuged. Those in the upper zone can be centrifuged. It is found that with the cleaning apparatus having the mouth of the smallest dimension, more particles are centrifuged.
- a liquid-type check valve known per se is disposed at the top of the water admission channel 24.
- the axis of the cylindrical filtration chamber is not parallel to the transverse axis Y, but takes another orientation, parallel to the horizontal plane XY or not.
- the arrangement in which the cylindrical chamber has an axis parallel to the transverse axis Y of the robot is however advantageous in that it minimizes the effects of gyro during robotic turns in the basin.
- each outlet 28 is connected to an independent collecting tube 31 which conveys clean water to a water intake zone 33 of each fluid circulation propeller 17.
- Each propeller 17 is driven by an independent pump motor 13 and pushes the water to an independent outlet located at the rear of the pool cleaning robot 10.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Water Supply & Treatment (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning In General (AREA)
- Centrifugal Separators (AREA)
- Filtration Of Liquid (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762561841P | 2017-09-22 | 2017-09-22 | |
FR1762981A FR3071530B1 (fr) | 2017-09-22 | 2017-12-22 | Appareil nettoyeur de piscine a dispositif de separation de debris par centrifugation et filtration |
PCT/EP2018/075795 WO2019057968A1 (fr) | 2017-09-22 | 2018-09-24 | Appareil nettoyeur de piscine à dispositif de séparation de débris par centrifugation et filtration |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3673126A1 true EP3673126A1 (fr) | 2020-07-01 |
EP3673126B1 EP3673126B1 (fr) | 2021-11-03 |
Family
ID=61802128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18778879.9A Active EP3673126B1 (fr) | 2017-09-22 | 2018-09-24 | Appareil nettoyeur de piscine à dispositif de séparation de débris par centrifugation et filtration |
Country Status (5)
Country | Link |
---|---|
US (1) | US11111686B2 (fr) |
EP (1) | EP3673126B1 (fr) |
AU (1) | AU2018335965B2 (fr) |
ES (1) | ES2904917T3 (fr) |
FR (1) | FR3071530B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD995018S1 (en) * | 2021-11-19 | 2023-08-08 | Beijing Smorobot Technology Co., Ltd. | Swimming pool cleaning robot |
USD992844S1 (en) * | 2022-10-11 | 2023-07-18 | Shenzhen Seauto Technology Co., Ltd. | Cleaning robot |
USD1032974S1 (en) * | 2024-01-17 | 2024-06-25 | Shenzhen Woshijie Electronic Technology Co., Ltd. | Cleaning robot |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2989596B1 (fr) * | 2012-04-24 | 2014-04-25 | Zodiac Pool Care Europe | Appareil nettoyeur de surface immergee a filtration centripete |
IL221876A (en) | 2012-09-11 | 2016-12-29 | Shlomi-Shlomi Idan | Filter for pool cleaning equipment including water return |
EP3031651B1 (fr) * | 2012-12-22 | 2018-04-25 | Maytronics Ltd. | Station subaquatique pour robot de nettoyage de piscine autonome |
ES2607640T3 (es) | 2013-09-11 | 2017-04-03 | Maytronics Ltd. | Robot limpiador de piscinas que tiene capacidades de movimiento en la línea del agua |
FR3012500B1 (fr) | 2013-10-25 | 2016-09-16 | Zodiac Pool Care Europe | Appareil nettoyeur de piscine a dispositif de filtration extractible |
US9909333B2 (en) * | 2015-01-26 | 2018-03-06 | Hayward Industries, Inc. | Swimming pool cleaner with hydrocyclonic particle separator and/or six-roller drive system |
FR3036126B1 (fr) * | 2015-05-12 | 2017-06-09 | Zodiac Pool Care Europe | Appareil nettoyeur de piscine a dispositif de filtration extractible depuis une paroi laterale |
EP3205793B1 (fr) * | 2016-02-11 | 2020-09-23 | Maytronics Ltd. | Nettoyeur de piscine autonettoyant |
US9896858B1 (en) * | 2017-05-11 | 2018-02-20 | Hayward Industries, Inc. | Hydrocyclonic pool cleaner |
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2017
- 2017-12-22 FR FR1762981A patent/FR3071530B1/fr active Active
-
2018
- 2018-09-24 EP EP18778879.9A patent/EP3673126B1/fr active Active
- 2018-09-24 US US16/648,005 patent/US11111686B2/en active Active
- 2018-09-24 ES ES18778879T patent/ES2904917T3/es active Active
- 2018-09-24 AU AU2018335965A patent/AU2018335965B2/en active Active
Also Published As
Publication number | Publication date |
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AU2018335965B2 (en) | 2024-03-28 |
ES2904917T3 (es) | 2022-04-06 |
AU2018335965A1 (en) | 2020-04-09 |
US20200270891A1 (en) | 2020-08-27 |
US11111686B2 (en) | 2021-09-07 |
FR3071530B1 (fr) | 2021-02-19 |
FR3071530A1 (fr) | 2019-03-29 |
EP3673126B1 (fr) | 2021-11-03 |
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