• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a pool cleaning robot (10) comprising: - a body, - at least one liquid circulation hydraulic circuit between at least one liquid inlet (3) and at least one liquid outlet (4), means for driving and guiding said cleaning robot on a surface; means for generating a plating force of the cleaning robot on said surface; means for determining the adhesion of the cleaning robot. on the surface; means for modifying the plating force of the cleaning robot (10) on said surface, according to the determined adhesion.
    公开号:FR3019573A1
    申请号:FR1453005
    申请日:2014-04-04
    公开日:2015-10-09
    发明作者:Remi Deloche；Philippe Pichon
    申请人:Zodiac Pool Care Europe SAS；
    IPC主号:
    专利说明:

    [0001] The present invention relates to the field of swimming pool equipment. It relates more particularly to a swimming pool cleaning device capable of moving along inclined walls.
    [0002] Preamble and prior art The invention relates to a surface cleaner device immersed in a liquid, such as a surface formed by the walls of a pool, including a swimming pool. These include a mobile pool cleaning robot. Such a cleaning robot carries out said cleaning by traversing the bottom and walls of the pool of the pool, brushing these walls, and sucking the debris to a filter. Debris means all the particles present in the basin, such as pieces of leaves, microalgae, etc., these debris being normally deposited at the bottom of the basin or glued on the side walls thereof. Most commonly, the robot is powered by an electrical cable connecting the robot to an outdoor control unit and power supply. For example, there are known in this field, patents FR 2 925 557 and 2 925 551, of the applicant, which are directed to a submerged surface cleaner device with removable filter device. Such devices generally 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 circulating liquid between the body. input and output through a filter device. Patent FR 2 954 380, of the same applicant, is still known, which is directed at a pool cleaning robot equipped with an accelerometer making it possible to determine changes of attitude within the pool.
    [0003] 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, for example an hour and a half. Generally, the robot is removed from the water by the user at the end of the cycle or at regular intervals to be cleaned, when the filter is too full of particles (leaves, microparticles etc.). Furthermore, in the prior art, depending on whether or not the cleaning robot was able to climb the walls of the pool to clean them, it was known to add ballast or floats to correct its behavior.
    [0004] It is clear that this installation was not easy, asked additional resources not available to the end user of the robot, and caused significant variations in behavior of the robot in all of its developments. The invention therefore aims to solve some of these problems. The invention also relates in particular to a swimming pool cleaning device whose energy consumption is reduced.
    [0005] DESCRIPTION OF THE INVENTION The invention aims, in a first aspect, on a pool cleaning robot comprising: - a body, - at least one hydraulic circuit for liquid circulation between at least one liquid inlet and at least one liquid outlet, means for driving and guiding said cleaning robot on a surface; means for generating a plating force of the cleaning robot on said surface; means for determining the adhesion of the cleaning robot to the surface; means for modifying the plating force of the cleaning robot on said surface, according to the determined adhesion.
    [0006] A "pool cleaning robot" is a device 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 only a wall. Such an apparatus is commonly known as 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. Abbreviated as "liquid", the term "liquid" is used to describe the mixture of water and debris suspended in the pool or in the fluid circulation circuit within the cleaning apparatus.
    [0007] In a particular embodiment, the means for generating a plating force of the robot comprise at least one liquid inlet located under the cleaning robot. It is understood that the terms below and above refer to a reference related to the position of the cleaning robot on a surface that it travels. The underside of the robot being located between said robot and the wall traveled, and the top of the robot being the part of the robot farthest from the surface traveled.
    [0008] In a particular embodiment, the means for generating a plating force of the robot comprise at least one liquid outlet located above the cleaning robot. Specifically in this case, at least one liquid outlet produces a liquid jet substantially perpendicular to the support plane of the cleaning robot on its support surface. In a particular embodiment, the means for determining the adhesion of the cleaning robot to the surface, when this surface is a side wall of the pool, comprises a determination of the level reached by the robot at the end of the climb along the surface. a pool side wall, and / or a determination of the air intake by said robot at the end of climb. In a particular embodiment, the means for determining the adhesion of the cleaning robot to the surface, when this surface is a side wall of the pool, comprises a determination of the robot's descent time at the bottom of the pool, and / or a determination of the air intake by said robot at the end of climb. In a particular embodiment, the means for modifying the plating force of the cleaning robot include means for modifying the power of the pump. More specifically in this case, in a particular embodiment, the power of the pump can be chosen between a set of predetermined values. By way of example, the predetermined values are substantially the following values: 40 to 55%, 55 to 70%, 70 to 90%, 90 to 100% of the maximum power of the pump. The invention also relates to a cleaning robot comprising an external power supply and control unit, said outdoor unit having means for displaying the chosen pump power, and modification control means of this choice. The invention also relates to an immersed surface cleaning apparatus characterized in combination by all or some of the characteristics mentioned above or below.
    [0009] DESCRIPTION OF THE FIGURES The characteristics and advantages of the invention will be better appreciated thanks to the description which follows, description which sets out the characteristics of the invention through a non-limiting example of application.
    [0010] The description is based on the appended figures in which: FIG. 1 illustrates a perspective view of a pool cleaning robot implementing a filtration system as described; FIG. 2 illustrates a sectional view of the same FIG. 3 illustrates a flowchart for adjusting the wall pump power in the case of an example of a manual adjustment. FIG. 4 illustrates a flowchart for adjusting the wall pump power in the case of an example of automatic adjustment.
    [0011] DETAILED DESCRIPTION OF AN EMBODIMENT OF THE INVENTION The invention finds its place in a swimming pool technical environment, for example a family-type buried pool. An immersed surface cleaning apparatus comprises, in the present non-limiting embodiment, a cleaning unit, hereinafter referred to as a pool cleaning robot, and a feeding and control unit of said pool cleaning robot. The cleaning unit is represented according to an embodiment given here by way of example, in FIGS. 1 and 2. The pool cleaning robot 10 comprises a body 11 and a driving and guiding device comprising driving and guiding the body 12 on a submerged surface. In the present nonlimiting example, these driving and guiding members consist of wheels or caterpillars arranged laterally to the body (see FIG. 1). The pool cleaning robot 10 further comprises a motor driving said driving and guiding members, said motor being fed, in the present embodiment, via an on-board card. For the rest of the description, a reference XrYrZr relating to this cleaning robot 10 is defined in which: a longitudinal axis X is defined as the axis of movement of the cleaning robot 10 when the displacement wheels 12 are controlled at to move identically, - a transverse axis Yr is defined as perpendicular to the longitudinal axis Xr, and located in a plane parallel to the support plane of the displacement wheels 12 of the cleaning robot 10, this lateral axis Yr being thus parallel to the axis of rotation of the wheels, a vertical axis Zr is defined as perpendicular to the two other axes, the bottom of the robot along this vertical axis Zr being situated between said robot and the wall traversed, and the top of the robot according to this axis being the part of the robot furthest from the traveled surface.
    [0012] The notions of front, back, left, right, up, down, up, down, etc. the cleaning robot are defined with respect to this XrYrZr mark. The drive and guide members define a guide plane on a surface immersed by their points of contact with said immersed surface. Said guide plane, parallel to the plane formed by the longitudinal and transverse axes, is generally substantially tangential to the immersed surface at the point where the device is located. Said guide plane is for example substantially horizontal when the device moves on a submerged surface of the pool bottom. Throughout the text a "low" element is closer to the guidance plane than a high element.
    [0013] The pool cleaning robot 10 comprises a water filtration circuit comprising at least one liquid inlet 13 and a liquid outlet 14. The liquid inlet 13 is, in the present nonlimiting example, situated at the base of the body 11 (in other words under it, when the pool cleaning robot 10 is placed in its normal operating position at the bottom of the pool), that is to say immediately facing a surface immersed on which moves the pool cleaning robot 10 so as to suck debris accumulated on said immersed surface. The liquid outlet 14 is on the top of the pool cleaning robot 10.
    [0014] In the present embodiment, the liquid outlet 14 is in a direction substantially perpendicular to the guide plane, that is to say vertically if the pool cleaning robot 10 rests on the bottom of the pool, and horizontally if the cleaning appliance is going through a vertical wall of the pool.
    [0015] The water filtration circuit connects the liquid inlet 13 to the liquid outlet 14. The water filtration circuit is adapted to ensure a flow of liquid from the liquid inlet 13 to the liquid outlet 14 For this purpose, the pool cleaning robot 10 comprises a pump (not shown in the figures) comprising a motor and a propeller (also not visible in the figures), said motor driving the rotating propeller, said propeller being disposed in the hydraulic circuit.
    [0016] The apparatus comprises a filtration chamber 15 interposed on the hydraulic circuit between the liquid inlet 13 and the liquid outlet 14. The filtration chamber 15 comprises a filter basket 16 and a cover 17 forming the upper wall of the filter. the filtration chamber 15. The filtration basket 16 is extractable, that is to say it can be extracted from and introduced into the body 11 of the cleaning robot 10. The body 11 of the cleaning robot 10 for this purpose has a housing in which the filter basket 16 can be mounted. The fact that the filter basket 16 is extractable makes it easy to empty, especially without having to handle the robot 10 in its entirety.
    [0017] In this example, the pool cleaning robot 10 is supplied with energy by means of a sealed flexible cable. In the present example, this flexible cable is attached to the body of the pool cleaning robot 10 at its upper part. This flexible cable is connected at its other end to the power supply unit (not shown in FIG. 1), disposed outside the basin, this power unit being itself connected to the electric current on the sector. The pool cleaning robot 10 further comprises here a gripping handle 18 adapted to allow a user to take the robot out of the water, especially when cleaning the filter. Furthermore, the cleaning robot 10 has means for determining at any time its attitude in the pool. For this purpose, the cleaning robot 10 comprises for example at least one type of accelerometer known per se, or a means of detection of vertical passage type "tilt" or other equivalent device known to those skilled in the art. This accelerometer is for example used to determine that the cleaning robot is climbing along a side wall of the pool. The operating parameters of the cleaning robot 10, such as, for example, the type of cleaning cycle requested by the user, are set via a user interface located on the power and control unit. , and computing means hosted in this power supply and control unit.
    [0018] It is recalled that such a cleaning robot frequently has two cleaning cycles. In a first cycle, the robot travels, for example pseudo-randomly the bottom of the pool, and cleans it, without climbing along the side walls. In a second cycle, the robot travels both the bottom of the pool and rises along the side walls, so as to take off the debris that is stuck to it, or that concentrate at the water line. In this second cycle, the robot climbs along the side wall, emerges partially to rub the water line with its brush, tilts to move laterally along the wall, and plunges back by reversing its direction to go down to the bottom while still cleaning the wall. In the present exemplary embodiment, the user interface of the power and control unit comprises means for controlling the power level of the pump when the cleaning robot is climbing along a side wall. of the swimming pool. This pump causes, on the one hand, a suction of water at the water inlet 13 located under the robot, so closer to the surface against which the robot is evolving, and secondly , a discharge of water through the water outlet 14, which is substantially perpendicular to the support plane of the robot and thus to the traveled surface. These two phenomena, suction under the robot and discharge of pressurized water above the robot, determine plating forces exerted on the robot towards the surface that it is going through. The grip of the robot on the wall is increased, which facilitates its ascent. Such a posteriori adjustment of the plating force appears desirable when the conditions of adhesion of the robot on the surface do not comply with the "standard" conditions for which the robot has been pre-set at the factory outlet. The robot is in fact usually preset for a power of 60 to 80% of its maximum power when the accelerometer (or a means of detection of passage to the vertical or a rise angle greater than a predetermined value) determines that the robot is being mounted on the side walls of the pool. In a first case, it may appear that the nature of the material forming the walls of the pool is very different from the "standard" material for which the cleaning robot 10 has been preset. It has indeed been observed that the nature of the pool walls varied considerably, especially from one country to another, resulting in the need for different configuration of the pump settings according to the friction characteristics of the material forming these walls.
    [0019] The surfaces of the smoothest to the roughest can be schematically distributed, the tile type surfaces being very slippery, followed by fiberglass or vinyl liner surfaces. Concrete or agglomerate type surfaces of gravel or plastic particles being the roughest. It is also known that some pools have water lines materialized by a very slippery tiled area, which then has friction characteristics significantly different from the rest of the walls of the pool. It may then be desirable to increase the plating force of the robot on the surface, when the wall is smoother, and, conversely, to reduce this plating force when this wall is more adherent. In a second case, the robot may have used drive and guiding means that reduce or modify its adhesion to the surface of the walls of the pool. In another case, the pump itself may have non-nominal operating characteristics, resulting in incorrect rise behavior along the sidewalls of the pool. In yet another case, the pool can see its walls made particularly slippery by the presence of algae.
    [0020] In all these cases, it is possible to determine a correct power setting of the cleaning robot pump during its climbing phases along the walls of the pool, regardless of the nature of the surface forming these walls. It is considered that the adjustment is correct when the robot goes up to the water line and cleans it, without emerging from the basin to the point that the water inlet 13 comes to the open air and the cleaning robot 10 sucks air into its filtration circuit. Such suction, in addition to being noisy, reduces suddenly the plating force of the robot on the wall, and can cause the detachment of it from the wall, and its descent into the water towards the bottom of the basin , without cleaning the side wall during descent.
    [0021] In the present embodiment, it is assumed that the adjustment of the pump, when the accelerometer determines that the robot is running through a substantially horizontal surface, ie typically the bottom of the pool, is independent of this. pump power setting associated with climb conditions along the sidewalls. This pump setting under horizontal robot conditions is, for example, 100%.
    [0022] The user interface, accessible thereto on the power supply and control unit, comprises, in the present example, a visual indicator of the upstream pump power setting, and a control button for modifying this power. climbing pump.
    [0023] The visual indicator may consist of four light-emitting diodes aligned horizontally facing the user, thus forming a cursor. When, for example, the pump power is set to minimum, only the leftmost diode is lit. The other diodes are lit gradually from the left depending on the chosen power level.
    [0024] Each user's support on the control button changes the power cyclically between its possible positions, four successive presses returning the setting to its initial value. In order to carry out this pump power adjustment associated with the climbing conditions along the side walls, the user visually determines up to what level his cleaning robot 10 rides along the wall, and if said robot comes aspirate air as it emerges, and infers a possible change in pump setting. This setting remains stored for the future use cycles of the cleaning robot, or until the next user setting change.
    [0025] As an illustrative example, it is assumed here that the standard setting of the power of the pump is 60% when the robot is determined to be running through a side wall of the pool, which corresponds to a typical case. for American type pools (relatively adherent wall). Figure 3 illustrates the case of a manual adjustment of the pump power. It is also assumed that the pump has four adjustment levels available to the user: 50%, 60%, 80% and 100%. These values are naturally given here merely by way of example, and are not limiting in number of settings or in values thereof.
    [0026] In the standard setting mentioned above at 60%, the two LEDs on the left of the user interface are lit. In this case, and in particular during the first use of his robot in his swimming pool, if the user visually determines that the cleaning robot 10 does not rise beyond the water line and does not aspire to air (step 301), it verifies that the cleaning robot however reaches the water line and the brush (step 302). If this is the case, it is that the behavior in line of water is satisfactory. The setting of the pump is correct and no change is necessary. On the other hand, if the cleaning robot 10 emerges from the water and draws in air (step 301), the power must be reduced by one notch, hence here to 50%, and the user supports for this purpose three on the control button, which is visually reflected by the return to the only left diode on. More generally, as long as the minimum power of the pump on the wall has not been reached and the robot continues to behave unsatisfactorily (step 303), the wall pump power must be reduced (step 304). . Similarly, if the cleaning robot 10 rises slowly and still remains below the water line (step 302), the power must be increased, in our example to 80%. In this case, the user presses once on the control button 31, which visually translates into the lighting of the three left diodes. More generally, as long as the maximum power of the pump on the wall has not been reached and the robot continues to behave unsatisfactorily (step 305), it is necessary to increase the pump power in the wall (step 306). . If, after having adjusted the power to 80%, the user notices that the robot is still under the water line at the end of the climb, it increases the power again to bring it to 100%, the four LEDs of the indicator visual 31 being then lit.
    [0027] It is clear that in all these cases, the adjustment of the pump power must be performed when the filter is empty, otherwise the plating power is restricted by the loss of pressure through said filter. In the case of an automatic power adjustment of the pump (as shown in FIG. 4), in particular when the robot is first used in the pool, if the cleaning robot 10 determines that it is not rising beyond the water line and does not draw air (step 401), it verifies that it does not remain below the water line (step 402). If this is the case, it is that the behavior in line of water is satisfactory. The setting of the pump is correct and no change is necessary. On the other hand, if the cleaning robot 10 emerges from the water and draws in air (step 401), as long as the minimum power of the pump on the wall has not been reached and the robot continues to behave unsatisfactorily (step 403), the robot decrements the wall pump power (step 405). Similarly, if the cleaning robot 10 rises slowly, it always remains below the water line (step 402), as long as the maximum power of the pump on the wall has not been reached and the robot continues to behaving unsatisfactorily (step 404), the robot increases the wall pump power (step 406). Variants In an alternative embodiment, an apparatus according to the invention does not include its own pump and is connected to an external hydraulic circuit, for example outside a swimming pool, comprising a pump and creating a suction at the end of the pool. a hose connectable to the hydraulic circuit of the device, for example at its liquid outlet. In another variant, the cleaning robot 10 is provided with means for determining its climbing speed along the side wall, and automatically infers the level of adhesion of the robot on this wall. These means can for example take the form of a chronometer which determines the time between the change of attitude of the robot (passage to the vertical) and the moment when the cleaning robot 10 emerges from the water (also detected by the robot). accelerometer), the stopwatch also determining the time of descent of the robot to the bottom of the pool. This time of descent is relatively independent of the adhesion of the robot on the side wall. It allows to estimate the height of the wall. The rise time then gives the rise speed, the nominal value of which is known. In this case, it is not necessary to solicit the intervention of the user, the robot performing its power adjustment during its first use, or recurrently in time. In yet another variant, the robot determines in real time its climbing speed along a wall, and adjusts its pump power accordingly.
    权利要求:
    Claims (10)
    [0001]
    REVENDICATIONS1. Swimming pool cleaning robot (10) comprising: - a body (11), - at least one liquid circulation hydraulic circuit between at least one liquid inlet (13) and at least one liquid outlet (14), - means for driving and guiding said cleaning robot (10) on a surface, characterized in that the robot also comprises: - means for generating a plating force of the cleaning robot (10) on said surface, - means determining the adhesion of the cleaning robot (10) to the surface, - means for modifying the plating force of the cleaning robot (10) on said surface, according to the determined adhesion.
    [0002]
    2. Cleaning robot according to claim 1, characterized in that the means for generating a plating force of the robot comprise at least one liquid inlet (13) located under the body (11) of the cleaning robot (10).
    [0003]
    3. cleaning robot according to any one of claims 1 or 2, characterized in that the means for generating a plating force of the robot comprises at least one liquid outlet (14) located above the body (11) of the robot cleaning (10).
    [0004]
    4. Cleaning robot according to claim 3, characterized in that at least one liquid outlet (14) produces a jet of liquid substantially perpendicular to the support plane of the cleaning robot (10) on its support surface.
    [0005]
    5. cleaning robot according to any one of claims 1 to 4, characterized in that the means for determining the adhesion of the cleaning robot (10) on the surface, when this surface is a side wall of the pool, comprise a determination of the level reached by the end-of-rise robot along a pool side wall, and / or a determination of the air intake by said robot at the end of the climb.
    [0006]
    6. Cleaning robot according to any one of claims 1 to 5, characterized in that the means for determining the adhesion of the cleaning robot (10) on the surface, when this surface is a side wall of the pool, include a determination of the robot's descent time at the bottom of the pool, and / or a determination of the air intake by said robot at the end of the climb.
    [0007]
    7. Cleaning robot according to any one of claims 1 to 6, characterized in that the means for modifying the plating force of the cleaning robot (10) comprise means for modifying the power of the pump.
    [0008]
    8. Cleaning robot according to claim 7, characterized in that the power of the pump can be selected from a set of predetermined values.
    [0009]
    9. Cleaning robot according to claim 8, characterized in that the predetermined values are substantially the following values: 40 to 55%, 55 to 70%, 70 to 90%, 90 to 100% of the maximum power. pump.
    [0010]
    10. Cleaning robot according to any one of claims 7 to 9, characterized in that it comprises an external supply and control unit, said outdoor unit comprising means for displaying the chosen pump power, and control means for modifying this choice.
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    同族专利:
    公开号 | 公开日
    EP3126595A1|2017-02-08|
    AU2015242489A1|2016-11-17|
    AU2015242489B2|2019-04-18|
    US20160298350A1|2016-10-13|
    CA2944721A1|2015-10-08|
    EP3126595B1|2019-07-03|
    FR3019573B1|2016-03-25|
    WO2015150712A1|2015-10-08|
    ZA201607138B|2020-01-29|
    US10246894B2|2019-04-02|
    ES2746550T3|2020-03-06|
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    法律状态:
    2015-04-17| PLFP| Fee payment|Year of fee payment: 2 |
    2016-04-25| PLFP| Fee payment|Year of fee payment: 3 |
    2017-04-26| PLFP| Fee payment|Year of fee payment: 4 |
    2018-04-25| PLFP| Fee payment|Year of fee payment: 5 |
    2019-04-25| PLFP| Fee payment|Year of fee payment: 6 |
    2020-04-27| PLFP| Fee payment|Year of fee payment: 7 |
    2021-04-26| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1453005A|FR3019573B1|2014-04-04|2014-04-04|ROBOT POOL CLEANER WITH ADJUSTABLE PUMPING POWER|FR1453005A| FR3019573B1|2014-04-04|2014-04-04|ROBOT POOL CLEANER WITH ADJUSTABLE PUMPING POWER|
    EP15719797.1A| EP3126595B1|2014-04-04|2015-04-02|Swimming-pool cleaning robot with adjustable pumping power|
    CA2944721A| CA2944721A1|2014-04-04|2015-04-02|Swimming-pool cleaning robot with adjustable pumping power|
    ES15719797T| ES2746550T3|2014-04-04|2015-04-02|Pool cleaner robot with adjustable pumping power|
    PCT/FR2015/050870| WO2015150712A1|2014-04-04|2015-04-02|Swimming-pool cleaning robot with adjustable pumping power|
    US14/440,448| US10246894B2|2014-04-04|2015-04-02|Adjustable pumping power swimming pool cleaning robot|
    AU2015242489A| AU2015242489B2|2014-04-04|2015-04-02|Swimming-pool cleaning robot with adjustable pumping power|
    ZA2016/07138A| ZA201607138B|2014-04-04|2016-10-17|Swimming-pool cleaning robot with adjustable pumping power|
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