ES2756710T3 - Underwater cleaning machine with filter installation - Google Patents

Underwater cleaning machine with filter installation Download PDF

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Publication number
ES2756710T3
ES2756710T3 ES15745515T ES15745515T ES2756710T3 ES 2756710 T3 ES2756710 T3 ES 2756710T3 ES 15745515 T ES15745515 T ES 15745515T ES 15745515 T ES15745515 T ES 15745515T ES 2756710 T3 ES2756710 T3 ES 2756710T3
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Spain
Prior art keywords
filter
installation
cleaning machine
cleaning
dirt
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Active
Application number
ES15745515T
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Spanish (es)
Inventor
Torsten Reuss
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Torsten Reuss
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Priority to DE102014013109.2A priority Critical patent/DE102014013109A1/en
Application filed by Torsten Reuss filed Critical Torsten Reuss
Priority to PCT/EP2015/068355 priority patent/WO2016034371A1/en
Application granted granted Critical
Publication of ES2756710T3 publication Critical patent/ES2756710T3/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H4/00Swimming or splash baths or pools
    • E04H4/14Parts, details or accessories not otherwise provided for
    • E04H4/16Parts, details or accessories not otherwise provided for specially adapted for cleaning
    • E04H4/1618Hand-held powered cleaners
    • E04H4/1636Suction cleaners

Abstract

Underwater cleaning machine (10) with a filter installation (45) for a water stream (W), which enters through a dirty water inlet (48) in the filter installation (45), passes through at least one filter (50) of the filter installation (45), filters the dirt from the water stream (W) and exits through an outlet (51) of the filter installation (45), presenting the filter installation (45 ) a dirt accumulation tank (46) to accumulate the filtered dirt from the water stream (W), which is arranged between the dirty water inlet (48) and the at least one filter (50), the installation being provided filter (45) for permanent operation under water, and the underwater cleaning machine (10) presenting a cleaning installation (60, 160; 260) to clean the at least one filter (50), characterized in that the installation of cleaning (60, 160; 260) presents or is formed by mechanical cleaning means (90; 290), not linked to the current, p To clean the at least one filter (50).

Description

DESCRIPTION
Underwater cleaning machine with filter installation
The invention relates to an underwater cleaning machine with a filter installation for a stream of water, according to the preamble of claim 1.
Such an underwater cleaning machine is explained, for example, in document FR 2954380 A1 or document FR 2989596 A1.
An underwater cleaning machine known from EP 1947268 B1 is configured as a cleaning robot.
Other underwater cleaning machines are explained for example in US 2014/0014140 A1 or in EP 2725169 A1.
From time to time the filter has to be replaced, that is, the cleaning machine is out of service, so to speak, it undergoes maintenance outside the water tank to be cleaned. The filter is removed and a new filter or a cleaned filter container is used. This is time consuming, and it is also complicated. The costs for the new filter inserts are remarkable.
It is therefore the object of the present invention to make an improved underwater cleaning machine available.
To achieve this objective, an underwater cleaning machine is provided according to the technical teaching of claim 1.
In this regard it is a main idea that the at least one filter (several filters may also be provided) is cleaned as it were on a continuous basis, so that the flow through the filter is not reduced or is only irrelevantly minor. In this way the machine can operate, so to speak, always with optimum performance, that is to say, it can be crossed by a maximum current of water. The machine can remain permanently under water, until the dirt accumulation tank is full. During this time the cleaning effect or the filter effect are optimal. Aspiration performance is precisely not reduced due to a filter that is gradually filled with dirt, unlike in the state of the art. A filter cake which is optionally formed only in part is continuously removed by the cleaning installation, due to which the cleaning performance of the cleaning machine is or remains optimal.
Both mechanical and technical flow cleaning principles are taken into consideration for cleaning without problems.
The invention provides that the cleaning installation has mechanical cleaning means not connected to the flow to clean the filter or at least one formed by these. It is therefore advantageous therefore when the at least one filter is mechanically cleaned, that is, for example at least not exclusively by means of a counter flow principle.
The mechanical cleaning means comprise for example one or more scrapers, towards which or which the filter moves relatively or which / which moves relatively towards the filter, vibration means or oscillation generators, to vibrate or the like the filter. Naturally it is advantageous when mechanical cleaning is also enhanced by a counter flow principle or mechanical cleaning and a counter flow principle are provided at least in combination. However, only or exclusively mechanical cleaning means may also be provided.
A mechanical concept has been advantageous in practice, which is explained below.
The cleaning installation conveniently has at least one scraper to scrape dirt from the at least one filter. The scraper performs a relative movement along the surface of the at least one filter, that is, the scraper is passed for example in front of the filter or the filter is passed in front of the scraper. It is also possible a movement, so to speak, double, that is, that both the scraper, as well as the at least one filter to be cleaned, move.
Relatively fast cleaning, i.e. the scraper cleans a corresponding area of the at least one filter with a cycle time of about 0.5 to 2 or even 3 contact times per second, is advantageous. When therefore for example the scraper rotates relative to the filter or the filter relative to the scraper, a rotational speed of for example 0.5-3 revolutions per second is advantageous. The filter is therefore kept very clean.
At this point it is mentioned that of course a type of filter tape is also conceivable, that is, that a filter it can be passed, for example, by means of a circulation movement, in particular also a linear circulation movement, through a corresponding scraper. The filter tape can for example circulate as a transport tape, the at least one scraper scraping through the filter tape, for example a textile tape.
Preferably, the at least one filter is however disk-shaped or plate-shaped.
Such a disc-shaped filter can be configured, for example, as a filter plate, which is passed in front of the at least one scraper by a rotational movement.
Preferably, a drive installation is provided to drive the at least one filter relative to the at least one scraper. For example, a type of stepper motor or the like may be provided. When a filter disc is used, it can be driven for example by its outer perimeter area, in particular tangentially. Therefore the drive motor is therefore radially outward in this case and does not reduce the effective filter surface. However, it is also possible that a rotary drive is provided, for example, in the center of a plate-type filter disc. It is furthermore advantageously provided that the drive motor is provided outside the dirt space, that is, outside the dirt accumulation space of the dirt accumulation tank.
As an alternative, it is also conceivable that the at least one scraper is provided, for example, in a plate-shaped or disc-shaped body, which rotates and / or moves linearly in relation to the at least one filter. It is also possible, for example, for the at least one scraper to be provided on a surrounding belt and to scratch again, as it were, by the at least one filter. Naturally, several scrapers can be arranged on this tape or also on the disc-shaped body mentioned above.
The at least one filter and the at least one scraper can also carry out an oscillating movement in both directions in relation to each other to give rise to cleaning. A corresponding oscillation drive can therefore act for example on the at least one filter or the at least one scraper. An advantageous embodiment of the invention provides for the filter to be fixed relative to a housing of the cleaning machine, while the at least one scraper is movably housed in or relative to the housing. This arrangement has for example also flow technique advantages.
It is also mentioned that in the presence of several filters, each of these filters, or also only some of the filters, at least in any case one filter, is cleaned according to the invention. In this respect, it is also conceivable to provide different cleaning principles for different filters, that is to say, cleaning of raw dirt by means of a scraper or an arrangement of scrapers, while the filters provided for finer dirt particles are cleaned, for example, by vibrations. ultrasound.
The at least one filter is conveniently housed movably between a housing of the cleaning machine and a lid of the cleaning machine, for example rotatably housed, movably housed or both. Preferably a bearing seat is provided, which on the one hand is delimited by the cover, on the other hand by the housing of the cleaning machine. The cap may at least partially not allow flow to pass. However, it is also possible that the cover is formed entirely or partially by a structure that allows current to pass through, in particular a support structure, or that has such a structure or support structure.
Preferably there is also a seal between the cover on the one hand and the housing on the other hand. This sealing can be advantageously made available by eccentric contours between the cover and the housing. When the lid is rotated relative to the housing, the eccentric contours come into sealing contact with each other and thus form a joint.
It is particularly preferred when, for example, a cavity on the perimeter side is formed between the housing and the cover, which in relation to an axis of rotation of the filter unit or filter allows a certain axial and radial clearance, so that the filter can rotate relative to the housing or lid. By means of the constructive measures, which are even clearer by means of the drawing, it is further ensured that the tightness between the casing and the cover does not hinder the movement clearance of the at least one filter for the rotational movement and thus neither the cleaning. . The cavity, for example, forms an annular space, in which an annular crown of the at least one filter or of a holder for the at least one filter is housed in a rotatable manner.
The scraper may for example have a type of scraper edge.
For example, a type of lip or the like is conceivable, which scratches along the filter to be cleaned. The lip may have such a scraper edge. The lip may, however, also be rounded on the front side, so that it engages with relatively soft or round contours with the filter to be cleaned.
It has also been advantageous in practice, when the scraper has a brush or a brush arrangement. The brush is preferably very soft, so that it does not damage a possibly sensitive surface from less a filter.
At this point it is also mentioned that the at least one scraper can perfectly comprise several components, which are hooked in parallel or successively with the corresponding filter. In this way it is conceivable, for example, that rough cleaning occurs with for example a type of scraper lip, while a brush then takes over the fine cleaning work.
To improve the scraping effect of the at least one scraper, it can have a particularly long effective contact line for contact with the at least one filter, for example by bending, by zig-zag development or the like.
The at least one filter may have, in an embodiment not shown in the drawing, several dimensions, that is, for example, present a fold, in particular on the outlet side.
However, it is preferred when the at least one filter has only a single filter plane and has a flat shape. The filter is preferably plate-shaped or disc-shaped. It is also advantageous when the filter does not present any undulation or folding. In plate type filter it has been advantageous.
The at least one filter is conveniently formed by a monofilament or has a monofilament. A filter fabric, for example a textile fabric or stainless steel fabric, can likewise be used advantageously as a filter. A stainless steel fabric is particularly preferred, which can have a particularly narrow mesh structure, while the porosity for the water flow is good, in patricular even higher than in the case of a textile fabric. At this point it is indicated that a filter non-woven fabric is also perfectly conceivable, however not being made in the embodiment.
The mesh width of the filter fabric is conveniently between about 20 pm and 65 pm. Particularly in the case of a filter fabric consisting of metallic material, for example stainless steel, despite these small meshes, a high percentage or effective permeability is given, for example more than 35 or 40%. In other words, the at least one filter is therefore, so to speak, a small obstacle in the water stream, the filter with high quality filtering of dirt particles contained in the water stream. Continuous cleaning, which is preferred, nevertheless keeps the filter clean. When therefore the scraper or the scraper arrangement scrapes with a relatively high cycle time along the corresponding filter plane or filter area of the at least one filter, for example at least every 2 seconds, preferably however at least one to three times per second, the filter is kept very clean, that is, the flow permeability is constantly kept high, while at the same time filtering small and minimal particles. The machine therefore works with the highest quality.
The cleaning installation is preferably configured for continuous cleaning during passage through the stream of water. Therefore, for example, the scraper can be moved continuously along the filter or conversely, the filter can move continuously along the scraper.
However, it is also possible that the cleaning occurs in cycles, which is advantageous, for example, in the case of counter-current cleaning, which will be explained later.
The at least one filter is conveniently supported by a support structure that allows the flow of flow, for example a grid arrangement, support rods or the like, by its flow inlet side or flow outlet side, that is, flow inlet side or flow outlet side, or both. The filter can therefore be relatively soft or flexible, while the support structure confers hold on the filter. The support structure may for example have a very large mesh, and the support components of the support structure may be solid or chargeable. In this way the support structure therefore represents a very low flow resistance, yet effectively prevents bending of the filter. It remains flat and can be optimally cleaned in this way.
It is preferably provided in the area of the cleaning installation that the at least one filter is supported by a support part that allows the current to pass. In this way the filter cannot be moved for example from the scratching scraper, due to which the cleaning quality is clearly improved.
A preferred embodiment of the invention provides that an impact plate is provided in a flow outlet opening, from which the water stream leaves in the direction of the at least one filter, which deviates the flow direction of the water flow from the filter. The water stream therefore does not flow with full force in the direction of the filter, which could for example damage it or at least bulge it.
This measure is particularly advantageous together with the following measure:
In particular, provision is made in particular for the cleaning machine to have a guide channel for the water flow, which extends, for example, linearly or spirally. The cleaning installation is advantageously provided in the end area of the guide channel. The guide channel is conveniently extended tangential through the at least one filter. Such a guide channel may for example be bounded on one or more perimeter sides by a closed wall. But also the at least one filter can form a component of the guide channel. The water or water stream to be cleaned therefore flows, for example, tangentially along the filter, gradually removing dirt from the water stream and being able to accumulate in the dirt accumulation tank.
The guide channel extends for example through the dirt accumulation tank, which leads to dirt separating from the water stream as it were. It is preferred when the guide channel is provided between the dirt accumulation tank and the cleaning installation. In the longitudinal direction the guide channel therefore extends so to speak away from the dirt accumulation tank in the direction of the cleaning installation.
The guide channel may for example be configured as a type of stabilization channel, which contributes to the reduction of the flow rate of the water stream, before cleaning occurs.
It is preferred when an intermediate cover is provided that covers the dirt accumulation tank, which makes available at least a part of the guide channel.
In addition to the aforementioned mechanical cleaning by means of a scraper, it is also possible that the cleaning installation has an oscillation generation installation, for example for the generation of a vibration movement, for the generation of oscillations by ultrasound or the like, of the filter. .
Furthermore, it is possible for the cleaning installation to have a reverse current installation for generating a cleaning current with a reverse flow direction to that of the water current. This can be achieved without problems because the suction assembly, which is preferably on board the cleaning machine, generates from time to time a cleaning flow that flows in the reverse direction of the water flow and / or are provided valves or other means of control to divert the stream of water so to speak in the opposite direction.
Preferably, a suction assembly is specifically provided for generating the water flow on board the cleaning machine. Therefore the cleaning machine therefore generates the water stream almost by itself. However, it is also possible that the cleaning machine has a connection for an external suction assembly. The outlet area of the filter installation is, for example, provided with a connecting pipe for a suction assembly of this type. It is also possible, however, that a suction assembly has or may be arranged at the entrance of the filter installation, both as a component of the cleaning machine and as an external connectable component or module.
It is further advantageous when the cleaning machine has an arrangement of separation brushes to separate dirt from a base to be cleaned or from a surface to be cleaned. The separation brush arrangement is suitably driven, for example for a rotational movement, a rolling movement or the like. The water stream can already lead to the underwater cleaning machine being sucked into the base to be cleaned, so to speak. Advantageously, a separate suction installation is provided in addition to the suction assembly, to be sucked into the base to be cleaned, in the cleaning machine. The suction installation is preferably in the vicinity of the at least one suction opening. The suction installation comprises, for example, a rotary suction body, which has an arrangement of blades or other conduction means, which during a rotation generate a current radially outward. Preferably, a sealing arrangement, for example a brush arrangement or the like, is provided on the outer perimeter of the rotary suction body through which a sealing space exits radially outwards from the rotary suction body and generates there so to speak negative pressure. Negative pressure leads to the cleaning machine sucking into the base so to speak. The rotary suction body is formed as it were by a vortex wheel or has one of this type.
The dirt accumulation tank can form an integral component of the cleaning machine casing. Therefore in this case the cleaning machine so to speak is occasionally emptied. Particularly preferred, however, is an embodiment in which the cleaning machine has a tank housing for the dirt accumulation tank, so that this, so to speak, represents a component that can be removed from the cleaning machine. cleaning.
A preferred embodiment provides that the dirt accumulation tank has an interior surface that is as smooth as possible. The dirt accumulation tank is for example essentially cylindrical. The dirt accumulation tank may for example be configured as a type of pot. It is preferred when the dirt accumulation tank has walls that do not let the current pass.
The at least one filter preferably forms a lid or a cover for the dirt accumulation tank. The filter therefore does not form in this embodiment, which is preferred, the dirt buildup or the dirt buildup space as such but is a separate component of it. In this way, the dirt accumulation tank can be emptied and cleaned easily, and specifically in both cases, specifically when it forms a removable component of the cleaning machine casing or also when it is an integral component of the casing.
When emptying the dirt accumulation container, then only the dirt accumulation space must be cleaned and not the filter laboriously.
A dirt receiving space or dirt accumulation space of the dirt accumulation tank is conveniently divided into a chamber for raw dirt and a chamber for fine dirt. The fine dirt chamber is conveniently larger. It is preferred when a relatively small opening in the direction of the dirt accumulation space is provided in the area of the cleaning installation, in particular in the area of the scraper. The small opening contributes to that the fine dirt of the camera or in any case of the area for the fine dirt, does not swirl or does it only minimally.
The underwater cleaning machine can for example be a manually guided underwater cleaning machine. The cleaning machine can be guided by a user manually along the surface to be cleaned.
However, it is also possible that the cleaning machine is configured as a cleaning robot, that is to say, that it has, for example, drive wheels, drive chains or drive belts or other advance means or drive means for movement along a surface to be cleaned.
The cleaning machine can also be configured as a dirt vacuum cleaner, that is, it sucks in dirty water and, so to speak, lets out or expels clean water.
In addition, the cleaning machine can be configured for stationary operation, that is to say, it is mounted, for example, stationary in a naturalized swimming pool and filters there dirt from the water continuously as a recirculation system.
The cleaning machine conveniently comprises a housing, in which a cleaning head is arranged. The cleaning head has, for example, at least one suction opening for sucking up the water stream and conveniently also an arrangement of separation brushes. It is preferred when the cleaning head is plate type. A dome-type construction of the cleaning head is also possible.
In a central area of the cleaning head, the suction system or installation suitably acts additionally to the water stream.
Exemplary embodiments of the invention are explained below by means of the drawing. They show:
Figure 1 a perspective tilted view of a front part of an underwater cleaning machine, Figure 2 the underwater cleaning machine obliquely from below,
Figure 3 an exploded representation of the cleaning machine,
Figure 4 a top view of the cleaning machine with a lid in a mounting position,
Figure 5 the view according to figure 4, however with the lid taken to the use position,
Figure 6 an inside view of the cleaning machine from above, with the lid open,
Figure 7 a cross-sectional view corresponding to a line A-A in Figure 6 of the cleaning machine,
FIG. 8 a detail Z of FIG. 7 referring to an edge area of the casing and the cover of the cleaning machine,
FIG. 9 a section corresponding to a line B-B through the cleaning machine according to FIG. 6, and
FIG. 10 a variant of the cleaning machine according to the preceding figures with a reverse current cleaning installation, as well as a suction nozzle in the same transverse plane as in FIG. 7.
The underwater cleaning machine 10 shown in the drawing is suitable for cleaning eg. naturalized pools. It can also be used stationary, that is to say, it is used for example locally as a type of recirculation installation and during this cleaning process it is kept fixed for example on the edge of the pool. The cleaning machine 10 can also be used as it were as a robot, that is to say that by means of, for example, drive wheels or the like, automatically cleans the base of a swimming pool tank, in particular of a garden pond, in a mobile way. The embodiment shown provides that the cleaning machine 10 is guided by a user by means of a handle 11.
By a free end area of the handle 11 (not shown), it can be grasped. At the other end of the handle 11 a housing 15 of the cleaning machine is held. The handle 11 has, for example, a fork 12, the fork arms 13 of which extend laterally through the housing 15 and are movably connected to it by means of pivotable joints 14.
The housing 15 has an upper part 16 as well as a lower part 17. In the lower part 17 there is housed a suction assembly 20. The upper part 16 is closed by a cover 18. In the upper part 16 there is a drive 19, which serves among other things to drive the suction assembly 20.
The suction assembly 20 is located in an interior space of the lower part 17. A pump wheel 21, driven by the drive motor 19, is for example rotatably housed there, generating a current of water that moves away from the pump head. cleaning 25 in the direction of the top 16.
The drive motor 19 is supplied by an electrical connection line 22 with electric current, therefore energy. Control components or electrical components are provided in a chamber 23 for the drive motor 19. These, however, are not shown in the drawing for reasons of simplicity.
At the bottom of the suction assembly 20, instead of the cleaning head 25, as shown in FIG. 10, a suction connection tube 24 can also be provided. In this embodiment, the cleaning machine 10 operates, for example, at mode of a type of vacuum cleaner. This vacuum cleaner can be guided, for example, on the base to be cleaned by means of the handle 11, or a flexible tube or a tube can be connected in the inlet area of the suction connection tube 24. A nozzle or the like may also be provided at the inlet of the cleaning machine 10, for example at the front in the suction connection tube 24 or a flexible tube connected to it.
This operation of the vacuum cleaner can, however, also be conceived without further problem so that the cleaning machine 10 is held in a fastener not shown permanently stationary at a predetermined point of the garden pond, or of a garden pool or the like, is That is, stay underwater, and suck dirty water S during continuous operation and let clean water out. The dirty water S therefore enters through the suction connection tube 24 into the cleaning machine 10.
The cleaning head 25 conveniently has a separation brush arrangement 26. The separation brush arrangement 26 comprises, for example, an outer radial brush ring 27. The brushes of the brush crown 27 are formed for example by annular brush segments.
Separating brushes 28 are provided radially inwardly. The separating brushes 28 are also partially ring-shaped, therefore they do not extend over a complete annular perimeter. As a result, dirty water S can easily flow from radially on the outside into the interior space of the separation brush arrangement 26 and be sucked through inlet openings 34 by the suction assembly 20 into the interior space of the housing 15 .
A suction installation 30 in the center of the cleaning head 25 takes care of an additional suction effect on the base to be cleaned, for example the surface of a garden pond. The suction installation 30 comprises a rotary suction body 31, which has a gasket 32 radially on the outside or is rotatably housed within a gasket 32 which is radially on the outside. The rotating suction body is formed for example by a vortex wheel. Blades 33 of the rotary suction body 31 generate a radial outward current, passing through the seal 32, which in the interior space of the seal 32, below the rotary suction body 31, generates a negative pressure. Gasket 32 is formed for example by a brush arrangement.
The casing 15 has a perimeter wall 35, which is for example cylinder-shaped. In a base area 36 of the housing 15, an inner housing 37 is provided for the watertight housing of the drive motor 19. Its drive 40 extends downwardly forward of a base wall 38 of the housing 15, where the wheel drives pump 21 and in axial extension the suction installation 30, in particular the rotary suction body 31. Through a transmission mechanism 39, preferably a planetary transmission, the brush plate 29 is also rotatably driven. The transmission mechanism 39 reduces notwithstanding the number of revolutions of the drive 40 and / or modifies its direction of rotation so that the brush plate 29 and thus the separation brush arrangement 26, are operated with a lower number of revolutions than the rotating suction body 31 and suction assembly 20, and in addition also with another direction of rotation. In this way a single drive motor 19 is driven, the entire operating part for the dirt separation and suction of dirty water.
The suction assembly 20 therefore ensures that dirty water S enters through the inlet openings 34 into the housing 15. The pump wheel 21 transports the dirty water S through a channel 41, which for example, it extends approximately annularly around the pump wheel 21, into a channel 42, which extends from the bottom 17 through the drive motor 19 to an outlet opening 43. From the outlet opening 43 dirty water S flows into a reservoir housing 44 of the housing 15.
A dirt accumulation tank 46 is housed in the tank housing 44 in a filter installation 45. The dirt accumulation tank 46 is in the same way as the essentially cylindrical tank housing 44. A perimeter wall 47 of the dirt accumulation tank 46 is, for example, positively connected in any case with contact, with the inner perimeter of the perimeter wall 35 of the casing 15, in particular with the upper part 16 of the casing 15. A base wall 48a of the dirt accumulation tank 46 is supported on the upper side of the inner casing 37.
The outlet opening 43 of the channel 42 flows into a dirty water inlet 48 of the dirt accumulation tank 46. Opposite to the outlet opening 43 is an impact plate 49, which deflects the dirty water stream, so not impacting frontally on a filter 50, which covers the dirt accumulation tank 46. Therefore, the dirty water S cannot therefore frontally pass through the filter 50 coming directly from the outlet opening 43, which would request it with great force and in extreme case it can lead to damage, but it translates to a rotational movement, in which dirty water S flows so to speak along the inner side of the perimeter wall 47 and thus passing tangentially through filter 50.
Dirty water S can therefore drop dirt into a dirt accumulation space 52 of the dirt accumulation tank 46, so that clean or in any case cleaner water flows out as water flow W from the outlet side, by Consequently therefore through an outlet 51 of the filter installation 45. The water stream W laden with dirt and particles was previously called the dirty water stream S.
The dirt accumulation tank 46 is partially covered by an intermediate cover 53, which partially covers, as it were, the upper front side of the dirt accumulation tank. The intermediate cover 53 has a cover wall 54, which together with the perimeter wall 47 of the dirt accumulation tank 46 delimits a guide channel 55. The guide channel 55 is additionally delimited, so to speak, by the filter 50 , this being understood in such a way that the dirty water S can leave the guide channel 55 only as clean water, specifically as water, which has passed through the filter 50, through the outlet 51 or through the outlet side of the filter 50.
An opening 56 is provided between the dirty water inlet 48 and the guide channel 55, through which dirt from the dirty water S can directly fall in the direction of the dirt accumulation space 52 of the dirt accumulation tank 46. this way coarse dirt falls directly from dirty water S, for example small stones or the like. The dirt accumulation space 52 is divided, for example, into a chamber 52a for coarse dirt (below the opening 56) and a chamber 52b for fine dirt. For this purpose, a partition surface 52c is provided, for example a partition wall or bulkhead.
The dirty water S then flows as shown in FIG. 6 into the guide channel 55, which spirally extends around the axis of rotation D and ends in a cleaning installation 60, which cleans from it continuously forms the filter 50. The intermediate wall or cover wall 54 therefore grows continuously from the opening 56 in the direction of the filter 50, which among other things results or may also result in a stabilizing effect on the dirty water S so to speak in front or on the inlet side of the cleaning installation 60. Another effect can be seen in that the guide channel 55 guides the dirty water stream S in the direction of the filter 50 so to speak.
Increasingly, as it were, in the direction of the end region of the guide channel 55, a filter cake is formed, which is, however, directly cleaned by the cleaning device 60.
Supporting projections 57 are provided in the dirt accumulation space 52 of the dirt accumulation tank 46, on which the intermediate cover 53 is arranged.
The dirt accumulation tank 46 is removed for emptying the tank housing 44. In addition to this, the intermediate cover 53 is also removed, so that dirt that is in the accumulation space can be removed without further problem. dirt 52. By uniform and continuous cleaning of the filter 50 this has to happen however only in long time intervals, this means that the dirt accumulation tank 46 can be almost completely filled with dirt before it has to be emptied. In this regard the cleaning machine 10 works very efficiently and with time savings. In addition, it represents an advantage that the filter 50, so to speak, only represents a cover for the dirt accumulation tank 46 and, in addition, due to cleaning, it is always kept clean, the interior walls relatively The smooth dirt bucket 46 can be easily cleaned.
The cleaning installation 60 comprises a scraper 61. The scraper 61, which is formed for example by a flexible scraper body, has in the present case an arc shape.
An opening 58 is provided between scraper 61 and cover wall 54, i.e. the base of guide channel 55, through which dirt scraped by scraper 61 of filter 50 or filter cake can access the space dirt accumulator 52 of the dirt accumulation tank 46. The opening 58 is provided above the chamber 52b for fine dirt. The opening 58 is preferably somewhat smaller than the opening 56. An advantageous measure is represented in any case by the fact that the separation wall 52b divides the dirt accumulation space 52, so that the dirty water entering through the water inlet dirty 48 it is true that it deals with a certain swirling in the dirt accumulation space 52, but this does not extend to the area of the chamber 52b for fine dirt nor does it give rise to undesired swirling there.
In the intermediate cover 53 there is also provided a holder or housing 59 for the scraper 61, so that it can be removably mounted on the filter installation 45 or cleaning installation 60. In this way it is possible without major problem to replace the scraper 61 by another scraper, for example not worn, or also to use different types of scraper, depending on the filter 50 used, for example depending on its filter cloth or the like.
The scraper 61 extends between a radial outer perimeter of the filter 50 and the axis of rotation D the center of the filter 50, so that it can clean the entire radius of the filter 50 so to speak.
The scraper 61 is in the present case formed by a brush or comprises a brush. A brush holder 62 can be inserted, for example, into housing 59.
The scraper 61 is fixed relative to the dirt accumulation tank 46. The relative movement between scraper 61 and filter 50 is caused by a drive motor 63, which drives a filter holder 64 of the filter 50. The filter holder 64 comprises for example an annular support frame, on which a filter fabric 65 indicated in the drawing is only schematically tensioned. Filter fabric 65 is very narrow, yet permeable mesh. The mesh width of the filter fabric 65 is for example in the range of about 20 µm to 65 jm. Filter fabric 65 is preferably a metal fabric, preferably a stainless steel fabric. A diameter of fine woven wire, that is, of the base material of the woven wire, is very small, due to which, in case of narrow mesh width, high water permeability can still be achieved, that is, reduced current resistance of the filter fabric.
On the outer perimeter of the filter holder 64 there is provided a toothing 66, that is, a crown of teeth, with which it combs a drive pinion 66a of the drive motor 63. Consequently the drive motor 63 therefore drives The filter holder 64 giving a rotational movement, so that the filter fabric 65 rotates through the scraper 61, scraping the dirt accumulated in the filter fabric 65 so to speak and falling through the opening 58 in the dirt accumulation space 52.
The drive motor 63, for example a stepper motor, is preferably attached on the outside to the housing 15, so that it can be easily replaced. The drive motor 63 is furthermore outside the dirt accumulation tank 46, that is, not in the dirt space. The drive motor 63 may for example be arranged above on a cover plate 67, which covers the chamber 23 for control and replaced in case of wear. Alternatively it is also possible to arrange the drive motor 63 in the chamber 23, so that its drive shaft passes through the cover plate 67 in an opening 67a. This is so in the exemplary embodiment.
A bearing seat 68 is configured on a radial upper outer perimeter of the dirt accumulation tank 46, in which the filter holder 64, that is, the ring, is rotatably housed. This rotating housing is also not hindered because the filter 50 is held by the cover 18 in the casing 15. In case the filter 50 is specifically surpassed radially from the outside, it is true that it maintains the filter on one side so to speak as a cover of the filter on the dirt accumulation space 52 or the dirt accumulation tank 46, but on the other hand it allows the turning clearance or the movement clearance necessary for the drive motor 63 to be able to rotate the filter 50 for cleaning .
The cover 18 is held by a bayonet lock in the housing 15. Instead of the bayonet lock, a screw lock, latch or the like can of course also be provided. For example, bayonet protrusions 69 protrude radially outward to in front of the perimeter wall 35 on its upper front side, which engage with bayonet housings not visible in the drawing on the inner perimeter of the clamping ring 70 of the cap 18 type license plate. When a user therefore carries the cap between the released position shown in Figure 4 and the closed position shown in Figure 5, the bayonet protrusions 69 engage with or disengage from the bayonet housings, such that the cap 18 is fixed at released from the housing 15. By corresponding arrow mark or a padlock symbol on the handle 71 this is easy for the user to understand.
The arrangement in this respect is such that an outer radial sealing surface 72 on the outer perimeter of a shoulder boss 73 of the dirt accumulation tank 46 and an inner radial sealing surface 74 on the inner perimeter of the clamp ring 70 , have a certain eccentricity, such that the sealing surfaces 72, 74, when turned from the release position (figure 4) to the closed position (figure 5), come into contact with one another.
The clamp ring 70 has a staggered configuration such that the bearing seat 68 for the rotational movement of the filter clamp 64 is kept free.
The clamping ring 70 has a support structure, for example a grid 76, which supports the filter fabric 65 on the upper side or on the outlet side, against the force of the water flow W.
On the contrary, a cleaning part 77 is provided above the cleaning installation 60, which does not allow the flow to pass. The support part 77 may have the advantage, for example, that a smooth flow zone is produced as far as possible and / or the cleaning process is not hindered as far as possible. An advantage of the support part 77 is seen in particular also in that the filter cloth 65 is supported with respect to the performance of the scraper 61, which can therefore optimally scrape dirt from the filter cloth 65.
Other cleaning principles are indicated in relation to FIG. 10. A cleaning installation 160, which should preferably be arranged in the area of the opening 58, may for example have a reverse current installation 161, for example a turbine for generating of a reverse flow G in the opposite direction to the direction of the dirty water flow S.
It is also conceivable that instead of the cleaning installation 60 or 160 or as a complement thereto, an oscillation generating installation 261 is provided, for example a vibrator or an ultrasound unit, representing a cleaning installation 260 additional. The oscillation generating installation 261 can generate ultrasonic oscillations, which excite the filter 50 giving rise to vibrations and which in any case take care that particles or other dirt are cleaned from the filter 50.
The scraper 61, as well as the oscillation generating installation 261, form mechanical cleaning means 90, 290 or components thereof.
In cleaning installations 160, 260 it is also clear that a cleaning installation does not necessarily have to be in the dirt accumulation space of the cleaning machine, but can for example also be arranged on the outside. By way of example, cleaning facilities 160, 260 are arranged externally on cover 18.

Claims (15)

1. Underwater cleaning machine (10) with a filter installation (45) for a water stream (W), which enters through a dirty water inlet (48) in the filter installation (45), passes through the minus a filter (50) of the filter installation (45), filters the dirt from the water stream (W) and exits through an outlet (51) of the filter installation (45), presenting the filter installation (45) a dirt accumulation tank (46) to accumulate the filtered dirt from the water stream (W), which is arranged between the dirty water inlet (48) and the at least one filter (50), being provided the filter installation (45) for permanent operation under water, and the underwater cleaning machine (10) presenting a cleaning installation (60, 160; 260) to clean the at least one filter (50), characterized in that the cleaning installation (60, 160; 260) presents or is formed by mechanical cleaning means (90; 290), not lig attached to the stream, to clean the at least one filter (50).
2. Underwater cleaning machine according to claim 1, characterized in that the cleaning installation (60, 160; 260) has at least one scraper (61) to scrape (61) dirt from the at least one filter (50), scraping the scraper (61) along the surface of the at least one filter (50) by a relative movement of the scraper (61) and the filter (50) relative to each other.
Underwater cleaning machine according to claim 2, characterized in that the at least one scraper (61) cleans a corresponding area of the at least one filter (50) with a cycle of approximately 0.5-5 times per second, conveniently 0.5 to three times per second, more preferably 0.5-2 times per second.
Underwater cleaning machine according to one of the preceding claims, characterized in that it has a drive installation for driving the at least one filter (50), in particular a clamping installation that holds the filter (50), in relation with one or the at least one scraper (61).
Underwater cleaning machine according to one of the preceding claims, characterized in that the scraper (61) has a brush and / or a flexible scraper lip and / or a scraper edge.
6. Underwater cleaning machine according to one of the preceding claims, characterized in that the at least one filter (50) is housed between a housing (15) of the cleaning machine (10) and a cover (18) of the cleaning machine (10), which has in particular a current-permeable support structure that supports the at least one filter (50), in a mobile way, in particular in a rotatable way, providing the cover (18) and the casing ( 15) conveniently a bearing seat (68) for the at least one filter (50).
Underwater cleaning machine according to one of the preceding claims, characterized in that the at least one filter (50) has only a single filter plane and / or does not have any folds and / or is plate-shaped and / or it has at least in a zone crossed by the water flow (W) a flat shape or it extends by a single flat plane.
8. Underwater cleaning machine according to one of the preceding claims, characterized in that the at least one filter (50) is formed by a monofilament or comprises a monofilament and / or is formed by a filter fabric, in particular a fabric textile or fine steel fabric, or comprises one of this type, it being conveniently provided that a mesh width of the filter fabric is between approximately 20 pm and 65 pm, in particular between approximately 20 pm and 45 pm and / or the at least one filter (50) has a percentage permeability of more than 30%, in particular more than 35% or 40%.
9. Underwater cleaning machine according to one of the preceding claims, characterized in that the cleaning installation (60, 160; 260) is configured for continuous cleaning during passage through the water stream (W).
10. Underwater cleaning machine according to one of the preceding claims, characterized in that the at least one filter (50) is supported by a support structure that allows the flow, in particular a grid (76), to pass from the side flow inlet and / or from the flow outlet side and / or that the at least one filter (50) is supported in the cleaning installation area (60, 160; 260) by a support part (77 ) that does not let flow through.
11. Underwater cleaning machine according to one of the preceding claims, characterized in that in a flow outlet opening, from which the water stream (W) exits in the direction of the at least one filter (50), and / or or at the dirty water inlet (48), an impact plate or a diversion plate is provided, which deflects the direction of flow of the water stream (W) from the filter (50).
12. Underwater cleaning machine according to one of the preceding claims, characterized in that it has a guide channel (55) which extends in particular in the form of a spiral, for the water flow (W), in whose end zone the cleaning installation (60, 160; 260) and / or which extends tangentially through the at least one filter (50) is foreseen.
13. Underwater cleaning machine according to claim 12, characterized in that the guide channel (55) passes in front of the dirt accumulation tank (46) or is provided between the dirt accumulation tank (46) and the cleaning installation (60, 160; 260) and / or is provided in an intermediate cover (53) that covers (18) the dirt accumulation tank (46) and / or extends between the dirty water inlet (48) towards the cleaning installation (60), a first opening (56) communicating with the dirt accumulation tank (46) being provided between an entrance area of the guide channel (50) and the dirty water inlet (48). and preconnected to the cleaning installation (60), a second opening (58), which communicates with the dirt accumulation tank (46) and presenting the dirt accumulation tank (46) between the two openings (56, 58 ) a stabilization zone and / or a separation surface (52c) that divides e in areas the dirt accumulation tank (46).
14. Underwater cleaning machine according to one of the preceding claims, characterized in that the cleaning installation (60, 160; 260) has at least one reverse current installation (161) for generating a cleaning current with direction reverse current to that of the water stream (W) and / or an oscillation generating installation (261) for the generation of oscillations intended for the release of dirt, from the filter (50).
15. Underwater cleaning machine according to one of the preceding claims, characterized in that it has a suction assembly (20) for generating the water flow (W) and / or an arrangement of separation brushes (26) for separating dirt from a base to be cleaned and / or a suction installation (30) separated from the suction assembly (20), to be sucked into the base to be cleaned and / or the dirt accumulation tank (46) being housed in a housing tank (44) of a housing (15) of the cleaning machine (10) and forming a component that can be detachably arranged in the housing (15) and / or that the at least one filter (50) forms a cover for a dirt accumulation space (52) of the dirt accumulation tank (46) and / or that the dirt accumulation space (52) of the dirt accumulation tank (46) has at least two separate chambers one of the another or areas separated by a wall d e separation.
ES15745515T 2014-09-02 2015-08-10 Underwater cleaning machine with filter installation Active ES2756710T3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102014013109.2A DE102014013109A1 (en) 2014-09-02 2014-09-02 Underwater cleaning machine with a filter device
PCT/EP2015/068355 WO2016034371A1 (en) 2014-09-02 2015-08-10 Underwater cleaning machine having a filter device

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ES2756710T3 true ES2756710T3 (en) 2020-04-27

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EP (1) EP3189196B1 (en)
DE (1) DE102014013109A1 (en)
ES (1) ES2756710T3 (en)
WO (1) WO2016034371A1 (en)

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Publication number Priority date Publication date Assignee Title
US9546493B2 (en) 2014-08-01 2017-01-17 Poolstar Canada Limited Portable pool cleaner

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070028405A1 (en) 2005-08-04 2007-02-08 Efraim Garti Pool cleaning robot
FR2954380B1 (en) * 2009-12-18 2015-03-20 Zodiac Pool Care Europe IMMERGE SURFACE CLEANING APPARATUS WITH CABINAGE GIRATION
FR2989596B1 (en) * 2012-04-24 2014-04-25 Zodiac Pool Care Europe CENTERED FILTRATION IMMERSION SURFACE CLEANER APPARATUS
US9091093B2 (en) * 2012-07-10 2015-07-28 Aqua Products, Inc. Internal backwash system for robotic swimming pool cleaner
IL221876A (en) * 2012-09-11 2016-12-29 Shlomi-Shlomi Idan Filter for pool cleaning apparatus including backwash

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WO2016034371A1 (en) 2016-03-10
EP3189196A1 (en) 2017-07-12
DE102014013109A1 (en) 2016-03-03
EP3189196B1 (en) 2019-09-04

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