CN103711336A - Adjustable intake port for submersible pool and tank cleaner - Google Patents
Adjustable intake port for submersible pool and tank cleaner Download PDFInfo
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- CN103711336A CN103711336A CN201310357393.7A CN201310357393A CN103711336A CN 103711336 A CN103711336 A CN 103711336A CN 201310357393 A CN201310357393 A CN 201310357393A CN 103711336 A CN103711336 A CN 103711336A
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Abstract
A base plate for a self-propelled robotic cleaning apparatus for cleaning a submerged surface of a pool or tank is provided. The base plate includes a bottom surface and a water inlet formed therethrough, and an inlet extension member (114) configured to mount in the water inlet. The inlet extension member is slidably retractable and extendable in a direction that is normal relative to the bottom surface of the base plate. A height adjustment mechanism is coupled to the inlet extension member and configured to move the inlet extension member upwardly and downwardly in the normal direction relative to the bottom surface of the base plate. The height adjustment mechanism can be adjusted manually. Alternatively, at least one sensor is operably coupled to a controller to automatically control the height adjustment mechanism.
Description
The cross reference of related application
The application is the part continuation application of U.S. Patent application No.12/283490, the applying date of this U.S. Patent application No.12/283490 is on September 11st, 2008, the application also requires the priority of U.S. Provisional Patent Application No.61/547462, the applying date of this U.S. Provisional Patent Application No.61/547462 is on October 14th, 2011, and the content of these two pieces of documents is whole being incorporated herein by reference all.
Technical field
The present invention relates to the self-propelled submersible pond of robot and tank cleaner, more especially relate to along one or more bilge suctions of the base portion location of cleaner.
Background technology
Conventionally, automatic or robot swimming pool cleaner contacts with wall surface with the bottom in pond, and by four axle mounting wheels, resilient roller (this resilient roller is laterally arranged on each end of unit) or endless track (this endless track provides power by independent CD-ROM drive motor by gear train, to robot is advanced on the surface in pond that will be clean) and carrying out moving back and forth on clean basin bottom and wall surface.Water pump can drive the hydraulic turbine, and this hydraulic turbine is connected with wheel or endless track by gear train.Robot swimming pool cleaner has pump motor, and this pump motor provides power to water pump, and this water pump sucks water by moving cell again, and (the moving) water sucking removes chip and/or " vacuum draw " to strainer.Water pump can be in inside or the outside of robot cleaner.For the cleaning device with inner water pump, become the water in cleaner of being present in of flow of pressurized fluid or water jet form also to can be used in by reaction force cleaning device is moved.
Electric drive pond and tank cleaner provide the solid-state control of programming in advance automatically, to make device carry out the motion of random and/or regular figure.The object of programming motion is as much as possible to make device in clean operation process, within the short as far as possible time, cover whole bottom and (optionally) sidewall surfaces.Can also select to clean efficiently figure according to the shape and size in pond.
Conventionally, the bottom of pond or tank has projection or uneven surface.These projections and/or uneven surface profile may become obstruction, and this obstruction may make robot cleaner stop, or because device is motionless or depart from a large amount of directions circulations that its predetermined clean path expends, device are postponed.This is undesirable result, because it has extended cleaning time, has wasted the power in the electric pond of the outside electricity providing or loading.And obstruction or profile may change the formula running route of cleaning device, thereby reduce cleaning efficiency.
The pool cleaner of prior art has solved the problem of obstruction and extreme surface profile.The method of a prior art is when predetermined the travelling forward of holdout device, to make device oppositely and/or the direction of modifier.For example, U.S. Patent No. 6758226(Porat) introduced a kind of automatic electric driving pool cleaning device, wherein, and the surface that the contact of translational motion parts will be cleaned, relevant signal projector is connected with the electronic-controlled installation of pool cleaner with motion sensor.When cleaner moves, motion causes prearranged signal figure, and when cleaner stops, signal graph interrupts.After predetermined lasting time, control device makes cleaner drive unit that cleaner is moved along different directions.Significantly defect is to have changed regular operation figure, thereby may reduce the efficiency of cleaning device.
For another solution of obstruction problem, be to advance roller or by providing adjustable mounting assembly that base plate is raise by the wheel by larger diameter or supporting, like this, user can change in the downside of base plate and the distance between surface, pond according to the special circumstances that exist in pond.But, pool cleaner is by will clean near surface applying suction and remove dirt and chip from the surface of crossing, to suck on the surface being in below device by the opening in base plate or suspend near this surperficial chip and send in strainer.The inward flange of inlet openings is preferably near on the longitudinal center's axis or Gai longitudinal center axis that extend along base plate.Because suction is along with the distance between the surface cleaning and base plate inlet openings increases and reduces fast, the base plate that therefore only raises not is the real scheme that solves the obstruction problem of protruding from bottom or the sidewall in pond.
The common U.S. Patent application document No.2010/0058546(Erlich transferring the possession of) introduced the also solution for the problem of navigating by water along surface, pond on obstruction.Particularly, for the suction maximum of optimizing the position of inlet openings and making the surface from cleaning remove chip, example has illustrated provides interchangeable import extension component, in this import extension component inserter bag, and can be used in the surface reduction suction point that relatively will clean.Interchangeable extension component can also be for reducing the effective area of suction opening, thereby increase the speed that sucks the water in inlet openings.When being used in combination with recessed wheel, import extension component has improved cleaning efficiency, even in having the pond of surface interruptions thing, otherwise this surface interruptions thing may be interfered the formula motion of cleaner.Interchangeable extension component is provided as different size in kit, and they must be mounted and dismounted by user artificially.
Although the prior art scheme of navigating by water on obstruction along surface, pond is very abundant, but in prior art, do not have can up-down adjustment to any import extension component of proper height or the degree of depth, an extension component artificially is not replaced by another simultaneously.
Therefore, be desirable to provide a kind of method and apparatus, in the situation that do not stop or obviously interrupting or change that the clean figure of self-propelled robot cleaner is clean has the surface interruptions thing of protrusion or the extreme pond of profile and the bottom of tank and a sidewall.
It would also be desirable to provide a kind of device, for being easy to for existing pool cleaning device and increasing economically suction, to improve clean-up performance for dissimilar surface, pond.
It would also be desirable to provide a kind of device, for relatively described surface (cleaner is clean pond or tank on this surface), regulate the height of import extension component.
It would also be desirable to provide a kind of cleaner, this cleaner has adjustable import extension component, and this import extension component does not need interchangeable parts, and this interchangeable part must manually exchange for different cleaning environment.
It would also be desirable to provide a kind of cleaner, this cleaner has adjustable import extension component, and this import extension component is also not included in the interchangeable part in kit, and this interchangeable part is easily lost or damaged in storage process.
Summary of the invention
Above-mentioned purpose and other advantage are by providing a kind of base plate for self-propelled robot cleaner device to realize, and this self-propelled robot cleaner device is for the underwater surface of clean pond or tank.Base plate comprises basal surface and the water inlet forming through it.Import extension component is mounted in water inlet, and more particularly, the direction that import extension component can be vertical along the basal surface with respect to base plate is return slidably and stretches out.Height adjustment mechanism is connected with import extension component, and is arranged so that import extension component moves up and down along the direction vertical with respect to the basal surface of base plate.
In one aspect, import extension component comprises at least one sidewall, and the basal surface that this sidewall is basically perpendicular to base plate extends.Import extension component can comprise flange, and this flange substantially vertically stretches out from the bottom part of at least one sidewall of import extension component, and like this, a part for the basal surface of outward extending flange and base plate is overlapping.
On the other hand, height adjustment mechanism is connected with import extension component by flange connector.In addition, height adjustment mechanism can comprise bolt, for the distance that regulates import extension component to stretch out with respect to the basal surface of base plate.Bolt can rotate clockwise or counterclockwise, to make import extension component be retracted into complete retracted position, reach any one position in complete extended position and the optional position between them.
Going back on the one hand, height adjustment mechanism also comprises outer sleeve, and this outer sleeve is firmly arranged on the upper surface of base plate, and has the inner conduit of cylindricality.Cylindricality inner sleeve is coaxial positioning externally in the inner conduit of cylindricality of sleeve slidably.Inner sleeve has inner conduit, and this inside conduit has screw thread, and is arranged to join with bolt.
In one aspect, inner sleeve is connected with the sidewall of import extension component by flange connector.And, bolt turn clockwise or be rotated counterclockwise in one inner sleeve and import extension component are moved along the direction vertical with respect to the basal surface of base plate simultaneously.
Going back on the one hand, base plate comprises at least one sidewall, and this sidewall upwards stretches into the inside of housing along the direction substantially vertical with the basal surface of base plate, and corresponding at least one sidewall of adjacent entrance extension component.
In one aspect, height adjustment mechanism is by manual operation.Also can select height adjustment mechanism automatic operation.
In one embodiment, height adjustment mechanism is connected with electric notor.Electric notor can be operable to controls the distance that import extension component stretches out with respect to the basal surface of base plate.
In one aspect, installation of sensors, on cleaning device, and is connected with electric notor.Sensor can be operable to electric notor and transmit control signal, so that response detects under water lip-deep obstruction along pond or when the underwater surface of tank moves at cleaning device and import extension component is return.Also on the one hand, sensor can be operable to electric notor and transmit control signal, so that response detects along pond or when the underwater surface of tank moves at cleaning device and skips obstruction and import extension component is stretched out.
In another embodiment, cleaning device also comprises electronic controller, and this electronic controller has: at least one input part, for receiving the output signal from sensor; And efferent, for transmitting control signal to height adjustment mechanism, to control the distance that import extension component stretches out with respect to the basal surface of base plate.In one aspect, the distance that import extension component can stretch out with respect to the basal surface of base plate is in the scope of returning completely and stretching out completely.
In an embodiment also, electric notor is the reversible motor with driven wheel, and height adjustment mechanism comprises bolt, and this bolt is useful on the driven gear that regulates the distance that import extension component stretches out with respect to the basal surface of base plate.Outer sleeve is firmly arranged on the upper surface of base plate, and has the inner conduit of cylindricality.Cylindricality inner sleeve is coaxial positioning externally in the inner conduit of cylindricality of sleeve slidably.Inner sleeve has inner conduit, and this inside conduit has screw thread, and is arranged to and bolt handing-over, and inner sleeve is connected with the sidewall of import extension component by flange connector.The handing-over of driven wheel and driven gear, to make bolt along counterclockwise or clockwise direction rotation, thereby makes import extension component be retracted into complete retracted position, extend out to any one position in complete extended position and the optional position between them.
In an embodiment also, electric notor is actuator, and height adjustment mechanism comprises actuator rod, and this actuator rod is longitudinally stretched out from actuator, for the distance that regulates import extension component to stretch out with respect to the basal surface of base plate.Outer sleeve is firmly arranged on the upper surface of base plate, and has the inner conduit of cylindricality.Cylindricality inner sleeve is coaxial positioning externally in the inner conduit of cylindricality of sleeve slidably.Inner sleeve has inner conduit, and for receiving actuator rod, and inner sleeve is connected with the sidewall of import extension component by flange.Actuator rod is fixed in a part for inner sleeve, to inner sleeve is moved along direction up or down, thereby make import extension component be retracted into complete retracted position, reach any one position in complete extended position and the optional position between them.
In another embodiment, a kind of method for making import extension component stretch out and return is provided, described import extension component is connected with the water inlet being formed in the base plate of self-propelled robot cleaner device, this self-propelled robot cleaner device is for the underwater surface of clean pond or tank, this cleaning device comprises: housing, this housing has front part, relative rear portion and the sidepiece part of adjacency, and they have determined the inner periphery and the outer periphery of cleaning device; The supporting member that rotation is installed, this supporting member is connected near the front and rear part of housing; Base plate, the water inlet that this base plate has basal surface and forms through it; Import extension component, this import extension component is arranged to be slidably mounted in water inlet, to return slidably and stretch out along the direction vertical with respect to the basal surface of base plate; Height adjustment mechanism, this height adjustment mechanism is connected with import extension component, and is arranged so that import extension component moves up and down along the direction vertical with respect to the basal surface of base plate; And sensor, this installation of sensors, on housing, and is connected with height adjustment mechanism operation, and described sensor can be operable to electronic controller and transmit control signal, and this electronic controller has: at least one input part, for from sensor reception output signal; And efferent, for transmitting control signal to height adjustment mechanism, to control the distance that import extension component stretches out with respect to the basal surface of base plate, the method comprises: cleaning device is moved along clean path on the underwater surface in pond; Detect along clean path cleaning device above from the underwater surface in pond obstruction protruding upward; And response obstruction detected and cleaning device along automatically make before clean path contact obstruction import extension component be retracted into base plate in a preset distance.In one aspect, the method is also included in cleaning device and after clean path is skipped obstruction, automatically makes import extension component stretch out a preset distance from base plate.
Accompanying drawing explanation
Introduce in detail below with reference to the accompanying drawings the present invention, in accompanying drawing:
Fig. 1 is the face upwarding view of the base plate of prior art, and this base plate is in place on pool cleaner, and this pool cleaner is represented by dotted lines;
Fig. 2 is the view that is similar to the base plate of Fig. 1, has represented attached import extension component of the present invention in place, for being arranged on base plate;
Fig. 3 is the amplification face upwarding view of a part of the base plate of Fig. 2, has represented the installation of the import extension component of Fig. 4;
Fig. 4 is the lateral view of an embodiment of import extension component of the present invention;
Fig. 5 is the lateral view of another embodiment of import extension component of the present invention;
Fig. 6 means that the part of installation details 6-6 along the line of a part of the import extension component of Fig. 3 amplifies sectional side view;
Fig. 7 is the obstruction that protrudes from surface, pond that will be clean due to import extension component contact and the lateral view of motionless pool cleaner part;
Fig. 8 is the upward view of swimming pool cleaner and base plate, and this base plate has import extension component of the present invention and wheel recess;
Fig. 9 is the view that is similar to Fig. 7, has represented to be equipped with the pool cleaner of recessed wheel of the present invention, this recessed wheel rolling on obstruction;
Figure 10 is the upward view that is similar to Fig. 8, has represented another embodiment of recessed wheel of the present invention;
Figure 11 is the upward view that is similar to Fig. 8, has represented an also embodiment of recessed wheel of the present invention;
Figure 12 is the face upwarding view of base plate in place on pool cleaner, and this pool cleaner is represented by dotted lines, and has represented to change for the base plate of pool cleaner relatively first embodiment of height adjustment mechanism of the height of import extension component;
Figure 13 is that the part of a section of base plate is amplified and cutd open face upwarding view, has represented that a part of the first embodiment for height adjustment mechanism is along the installation details of the line 2-2 of Fig. 1, and the figure shows the import extension component in complete retracted position with respect to base plate;
Figure 14 is that the part of a section of base plate is amplified and cutd open face upwarding view, has represented the installation details of a part of the first embodiment of the height adjustment mechanism of Fig. 1, wherein, import extension component with respect to base plate in extended position;
Figure 15 is the lateral view of a part of the pool cleaner of Fig. 1, example shown along the surface in pond, on obstruction, move, and import extension component with respect to base plate the retracted position at them;
Figure 16 is the lateral view of a part of the pool cleaner of Fig. 1, example shown on the obstacle clearance surface in pond, move, and import extension component with respect to base plate the extended position at them;
Figure 17 is the lateral view of a part of another embodiment of the pool cleaner of Fig. 1, this pool cleaner has navigation sensor, and represented the second embodiment of height adjustment mechanism, simultaneously example shown on the obstacle clearance surface in pond, move, and import extension component with respect to base plate the extended position at them;
Figure 18 is the enlarged side view of a part of the pool cleaner of Fig. 6, has represented the second embodiment of height adjustment mechanism of the present invention; And
Figure 19 is the enlarged side view of a part of the pool cleaner of Fig. 6, has represented the 3rd embodiment of height adjustment mechanism of the present invention.
The specific embodiment
With reference to figure 1, the typical self-propelled robot water pool cleaners 10 that schematically illustrates prior art has external shell 12, internal ramp assembly 14, transverse electric driven roller 16 and base plate 20.Base plate 20 is attached on the bottom of housing 12, and has as shown in the figure two inlet openings 24, and these two inlet openings 24 are closed by a pair of biased door 26, and this is closed when the current that flow to strainer stop biased door 26.
Below with reference to Fig. 2, base plate 20 is equipped with import extension component, is totally called 30, the relation assembling of this import extension component to be clasped; The second import extension component is expressed as in being attached at the position on base plate.As shown in the clearest in Fig. 3,4 and 5, import extension component 30 is formed with a plurality of folders protruding upward 36, and this folder 36 is half flexibility, and provides protrusion ridge 37, and this protrudes ridge 37 and engages with base plate.
Figure 4 and 5 are respectively the lateral views of two import extension components 32,34 of different depth D1 and D2, and wherein, " D " roughly represents the degree of depth that import extension component 30 extends below the external surface of base plate 20.
The less degree of depth of import extension component 34 makes the more close base plate 20 of suction point rising of cleaning device.Use have the less degree of depth import extension component can in the situation that for example obstruction from the surface that will clean, protrude higher very favourablely, otherwise make pool cleaner motionless or obviously depart from its predetermined programming moving picture at the edge by contact import extension component.
Below with reference to Fig. 6, in figure, represented the sectional view that import extension component 32 is seen along the hatching 6-6 of Fig. 3.Protruding element 37 engages with the inner surface 21 of base plate 20.In a preferred embodiment, projecting member 36 has enough flexibilities, to allow it throw off and take out.
As shown in Figure 7, fully protrude below base plate 20 on the lower rims surface of import extension component 30, like this, and it and the obstruction CONTACT WITH FRICTION of protruding above surface, pond 202 will be clean.As shown in the figure, water inlet lid 200 be protruding to surface, pond 202 above, and pool cleaner 10 is motionless because one or two roller 16 is not enough to the CONTACT WITH FRICTION of holding unit motion.
In order to remedy this problem (wherein, the pond of the obstruction that pool cleaner protrudes for the surface having from cleaning), base plate provides one or more recesses, for receiving axes mounting wheel.Below with reference to Fig. 8, recess 70 is positioned near import extension component 30, and the wheel 80 being arranged on axle 81 is fixed as for rotating at each recess.
Preferably as shown in Figure 9, wheel 80 is at least protruding to the degree of depth of extension component 30, preferably darker a little below base plate.This makes pool cleaner 10 can ride and cross the obstruction 200 of protrusion, thereby avoids maintaining static and/or making unit to depart from its clean figure of programming.
Axle mounting wheel is preferably removably mounted in recess 70.This can realize by multiple mechanical technique for fixing known to persons of ordinary skill in the art, be included in the molded conduit in base plate, this conduit is communicated with recess, and one or two opposite end of axle can be inserted in this conduit with the relation being clasped releasedly; Or by machanical fastener, for example screw and optionally bracket, this bracket is held in place the free end of axle.This structure makes user can determine whether to need wheel, and when needed, the height of the protrusion the obstruction whether selection of the diameter of wheel or one group of wheel is adapted at existing in pond.Like this, user can customize pool cleaner according to the condition existing in pond.
In particularly preferred embodiment, recess 70 is enough large, to hold the wheel of different-diameter, and a plurality of wheel as kit is sold to user, or sold by supplier, this supplier keeps stock, user can select wheel and the corresponding import extension component 30 of suitable dimension from this stock.
As shown in the embodiment of Fig. 8, wheel 80 can be at the opposite side of the longitudinal centre line of pool cleaner.These depart from wheel pool cleaner can be cleared the jumps, and anti-locking apparatus maintains static in other projection of tank drain lid or surface (device moves above surface at this).
Have again, with reference to figure 9, by preventing import extension component 30 contact obstructions, for example, on the surface interruptions thing protruding (tank drain lid 200) rolling of wheel 80.With reference to figure 9, can also know, wheel 80 can extend with roller 16(or supporting pool cleaner and be used for other drive unit moving from base plate 20) identical distance or be less than this distance.
Figure 10 has represented the optional embodiment of the present invention shown in Fig. 8, and wherein, one group two wheels 82 are positioned in each group of two groups of wheel recesses 70 that separate, and these two groups wheel recesses 70 are positioned at the opposite side of base plate center line, and contiguous respective inlets extension component 30.
As shown in Figure 11, base plate can also be arranged so that larger recess 72 replaces each shown in Figure 10 to recess 70, and like this, single roller 84 or two or more are taken turns (not shown) and are mounted to and rotate in each larger recess.
Also, as shown in the dotted line in Figure 11, single larger recess 74 is centrally located between two import extension components 30, to hold single larger roller 86 or be arranged on single a plurality of (not shown) of taking turns on can release shaft.
As previously mentioned, in order to optimize the position of inlet openings and maximum in order to make surface from cleaning remove the suction of chip, the invention provides interchangeable import extension component, this import extension component can be used in the surface that relatively will clean to be reduced and sucks point.Interchangeable extension component can also, for reducing the active surface of suction opening, suck the speed in inlet openings thereby increase water.When being used in combination with recessed wheel, import extension component has improved cleaning efficiency, even in having the pond of surface interruptions thing, otherwise this surface interruptions thing may be interfered the formula motion of cleaner.
On the other hand, the present invention includes the intake that can vertically regulate, this intake provides along the basal surface of pool cleaner.More particularly, the one or more intakes that are provided on the base plate of pool cleaner can stretch out downwards or upwards return with respect to the basal surface of pond or tank.The stretching out or return by height adjustment mechanism and control of the height of one or more intakes, in one embodiment, the expected obstacle that this height adjustment mechanism can may run into according to cleaner when the clean figure along it moves and manually arranging.Also can select, in other embodiments, height adjustment mechanism response is arranged on the one or more sensors on pool cleaner, this sensor transmits control signal for detection of obstruction with to controller, and this controller automatically makes adjustable intake stretch out or upwards return with respect to the basal surface of pond or tank downwards.These obstructions can comprise the rising lid of sink waste, (operating) water nozzle, pond toy and other known obstruction or the obstruction (they may be run into by pool cleaner in the clean operation process of pool cleaner) raising.
The height adjustment mechanism of returnable intake and they makes the cleaner operation that can clear the jumps, and can not maintain static or otherwise " glue " on obstruction.Specifically, governor motion allows operating personnel that returnable intake is vertically arranged on to any desired height with respect to base plate and surface, pond below.Preferably, any vertical position can be return or extend out to each import, concordant with base plate, completely stretch out or be arranged on the arbitrary height between them.
With reference to Figure 12, having schematically illustrated typical self-propelled robot water pool cleaners 100 has external shell 102, internal ramp assembly (not shown), transverse electric driven roller 106 and base plate 110.Base plate 110 is attached on the base section 104 of housing 102, and has as shown in the figure two inlet openings 112, and these two inlet openings 112 are closed by a pair of biased door (not shown), and this is closed when the current that flow to strainer stop biased door.
Each inlet openings 112 of base plate 110 is equipped with import extension component, is totally expressed as 114, and this import extension component stretches out downwards and is upwards retracted into respective inlets opening 112 from respective inlets opening 112 slidably.As shown in Figure 12, each import extension component 114 can be by height adjustment mechanism 120 of the present invention Artificial Control.
Preferably, the soffit of import extension component 114 comprises outward extending flange 116(Figure 13), this flange 116 overlaps on the periphery of respective inlets opening 112.Flange 116 prevents that import extension component 114 is retracted into inlet openings 112 inside completely.Can select, import extension component 114 does not comprise outward extending flange 116, and extension component 114 can be retracted in the housing 102 of cleaner 100 completely, and concordant with base plate 110 yet.
With reference to Figure 13 and 14, base plate 110 is basic planar shaped, and can comprise sidewall 118, and this sidewall 118 limits at least a portion of inlet openings 112, and is used as supporting member and the guiding piece of import extension component 114.Particularly, import extension component 114 comprises at least one sidewall 122, and this sidewall 122 extends upward, and is highly greater than the sidewall 118 of base plate 110.The bottom part 124 operation response personnel manual adjustment height adjustment mechanism 120 of the present invention of sidewall 122 and extension component 114 and sliding up and down with respect to sidewall 118 and the basal surface of base plate 110.
As shown in Figure 13 and 14, in one embodiment, height adjustment mechanism 120 comprises outer sleeve 130, and this outer sleeve 130 is static, and is used as the housing of height adjustment mechanism 120.Outer sleeve 130 is cylindrical shape, and has the internal diameter 132 that holds cylindricality inner sleeve 134.Therefore, the internal diameter 132 of outer sleeve 130 is greater than the external diameter 136 of inner sleeve 134.Inner sleeve 134 inserts in static outer sleeve 130 slidably, and can be by adjustable dog screw or bolt 140 and be manually arranged on predetermined permanent position.Inner sleeve 134 comprises bottom flange connector 138, and this bottom flange connector 138 is fixed on the sidewall 122 of extension component 114.
Particularly, inner sleeve 134 comprises thread groove 142, and this thread groove 142 is arranged to interfere with bolt 140.Bolt 140 preferably includes known slit head or luxuriant and rich with fragrance power spectrum (Philips) head 144 that has, this have slit head or Fei Lipu head 144 can be at an easy rate clockwise and rotate counterclockwise, to stretch out and return extension component 114.
In one embodiment, outer sleeve 130 comprises inner convex shoulder 148, and inner sleeve 134 comprises outside convex shoulder 146.When extension component 114 is with respect to inlet openings 112 during the complete retracted position in it, the outside convex shoulder 146 of inner sleeve 134 is arranged to the inside convex shoulder 148 against outer sleeve 130.The interface structure of inner convex shoulder 148 and outside convex shoulder 146 prevents the overtighten bolt 140 of operating personnel.
With reference to Figure 13, holding member 114 example shown are the state of returning completely in it, like this, and the concordant basal surface against base plate 110 of the upper surface of flange 116.As return as shown in state, the outside convex shoulder 146 of inner sleeve 134 is against the inside convex shoulder 148 of outer sleeve 130.With reference to Figure 14, on the contrary, extension component 114 is expressed as from the basal surface of base plate 110 and extends straight down, and inner sleeve 134 also moves down from outer sleeve 130.Therefore, the outside convex shoulder 146 of inner sleeve 134 is no longer against the inside convex shoulder 148 of outer sleeve 130.Also as shown in Figure 14, the sidewall 122 of extension component 114 is at this moment lower than the adjacent wall 118 of base plate 110.
Comprise import extension component (this import extension component has below base plate 110 soffit fully protruding) prior art pool cleaner can with the pond will be clean or the obstruction CONTACT WITH FRICTION of protruding above flume surface.For example, the water inlet protruding on surface, pond or drain cap can make pool cleaner 100 because the CONTACT WITH FRICTION that one or two roller 106 is not enough to holding unit motion maintains static.
Below with reference to Figure 15, pool cleaner 100 moves above being expressed as the obstruction forming at the basal surface 162 along pond 160.The obstruction 164 of example shown is 160 the upwardly extending water inlet of basal surface 162 from pond in the drawings.Because the height of water inlet obstruction 164 is known or can be easy to obtain, therefore operating personnel can regulate the height of extension component 114, so that they will (when the clean figure operation along it) contact water inlet obstruction 164 when cleaner 100 moves along basal surface 162, otherwise just by water inlet obstruction 164, hindered.Particularly, operating personnel are along preset rotating direction (clockwise or counterclockwise) rotating bolt 140, for example, to respect to surface, pond 162 rising extension components 114, will skip the height of known obstruction (water inlet) 164 so that it is retracted into.
With reference to Figure 16, also can select, when water inlet is recessed into or is concordant with surface, pond 162, extension component 114 can be to downward-extension, to make suction and cleaning efficiency maximum.It will be appreciated by those skilled in the art that distance that extension component 114 can stretch out is not restricted to completely recessed and stretch out between state completely.In this example, operating personnel are rotating bolt 140 in opposite direction, to reduce extension component 114 with respect to surface, pond 162, so that it extends to such height, this height will make the suction of cleaner maximum, and increases the cleaning efficiency along surface, pond 162.
Therefore, the less degree of depth of import extension component 114 raises into more close base plate 110 by the suction point that makes cleaning device.Use have the less degree of depth adjustable extension component can in the situation that for example obstruction from the surface that will clean, protrude higher very favourablely, otherwise will maintain static or make pool cleaner obviously to depart from its predetermined programming moving picture by the edge of contact import extension component.
Below with reference to Figure 17, pool cleaner 100 comprises height adjustment mechanism 120, this height adjustment mechanism 120 is controlled the height of import extension component 114 automatically, suitable with the height adjustment mechanism of Figure 12-16, this height adjustment mechanism can be with respect to the height of the basal surface 162 Artificial Control import extension components in pond 160.Cleaner 100 also comprises and being arranged on housing and at one or more sensors 150 of forward facing position, to detect when cleaner moves along surface, pond 162 water inlet for example along the obstruction 164(of the clean path of this cleaner).Sensor 150 can also be installed along other key position on housing 102, to detect the time of having skipped obstruction, or detects other obstruction that cleaner may run into.Sensor 150 can be feeler, electrical capacitance proximity sensor, ultrasonic sensor, laser sensor, pressure sensor or arbitrarily other known sensor (they can detect along pond the irregular part of 160 basal surface 162.
In operating process, when sensor 150 runs into obstruction along the clean path of cleaner 100, sensor 150 sends output signals by conductor 151 to controller 152.By response, controller 152 sends and drives or command signal to height adjustment mechanism 120, to import extension component 114 is return from their extended position.In one embodiment, position by default, import extension component can be with respect to the base plate 110 of cleaner 100 in complete extended position.Like this, when obstruction 164 being detected, height adjustment mechanism 120 raises import extension component 114, once skip obstruction 164, then make import extension component be reduced to the default location stretching out.
The controller 152 of Figure 17 can comprise processor or microprocessor and for storing the memory of various control programs.Processor coordinates with the circuit that common support circuit (such as power supply, clock circuit, cache memory etc.) and help execution are stored in the software routines in memory.Therefore, can consider, introduce some treatment steps of processing for software here and can in hardware, implement, for example, as coordinating with processor to carry out the circuit of various steps.Controller 152 also comprises I/O (I/O) circuit, and this I/O (I/O) circuit is formed on the interface between the several functions element of communicating by letter with controller 150.For example, as shown in the embodiment of Figure 17, controller 152 is communicated by letter with sensor device 150 by signal path 151, and communicates by letter with height adjustment mechanism 120 by signal path 153.Controller 152 can also be communicated by letter with other function element (not shown), for example, introduce as the driving figure about control cleaner here, to roller, power be provided, control water jet propelling and other function of pool cleaner 100 and the function element of operation.
Although the controller of Figure 17 152 is expressed as the microcontroller of general object, this microcontroller programming is according to the present invention, to carry out for the various of specific purposes to determine and/or control function, but the present invention can implement in hardware, for example, apply specific integrated circuit (ASIC).Therefore, processing described here is carried out by software, hardware or their combination equivalently by being broadly interpreted as.
Below with reference to Figure 18, in figure example shown the second embodiment of height adjustment mechanism 120.Height adjustment mechanism 120 is similar with the height adjustment mechanism of Figure 13 and 14, except reversible motor 154 is provided as, makes bolt 140 in the thread groove 142 being connected with each import extension component 114, raise and reduce.Reversible electric notor 154 can make import extension component 114 automatically raise and reduce, as above regard to Figure 12-16 with artificial rotating bolt 140(described in) contrary.
As schematically illustrated in Figure 18, on reversible motor 154 sleeve 130 mounted externally (example shown is for passing through bracket 157), and comprise driven wheel 156, this driven wheel 156 and the second gear 158 handing-over (i.e. engagement), this second gear 158 is positioned at above the top part of outer sleeve 130, and along its central axis firm attachment on the top of bolt 140.Hole 128 is provided as the top part through outer sleeve 130, to facilitate the second gear 158 to be attached on the top of bolt 140.When controller 152 sends the signal of telecommunication by conductor 153, electric notor 154 by according to come self-controller 152 input signal polarity and clockwise or be rotated counterclockwise.Motor 154 makes driven wheel 156 along equidirectional rotation, and this driven wheel 156 makes the second gear 158 rotate in opposite direction again.When the second gear 158 and bolt 140 rotation, the screw thread of bolt 140 forces inner sleeve 132 to rotate and motion up or down with respect to outer sleeve 130.When inner sleeve 132 rotates and when direction is moved up or down simultaneously, this import extension component 114 of import extension component 114(by bottom flange connector 138 firm attachment on inner sleeve 132) while upwards returns or stretches out downwards with respect to the basal surface of base plate 110.Therefore, inner sleeve 132 and bolt 140 are common interacts as linear actuator.And those of ordinary skills it should be known that in optional embodiment, servo motor or other known actuator also can be used in and make the second gear 158 rotations.
Below with reference to Figure 19, in figure example shown the 3rd embodiment of height adjustment mechanism 120.The second embodiment of the 3rd embodiment of height adjustment mechanism 120 and the height adjustment mechanism of Figure 18 is similar, except actuator 172 is provided as, raises and reduces import extension component 114.Actuator 172 preferably can raise and reduce the multiposition linear actuator of import extension component 114 automatically, as above regard to Figure 12-16 with artificial rotating bolt 140(described in) contrary.
The embodiment (as above with reference to as described in figure 12-18) that outer sleeve 130 and inner sleeve 134 are arranged for import extension component is also applicable to the 3rd embodiment.But, actuator 172 and plunger or bar 174 are provided, to replace the stepping screw 140 of previous embodiment.Particularly, in the inside top part of the longitudinal sleeve 130 mounted externally of the top section of actuator 172.Actuator 172 and bar 174 stretch into fixing outer sleeve 130 downwards and slidably in the interior section of inner sleeve 134, and preferably along their central longitudinal axis.The far-end 182 of bar 174 is fixed on the lower end 184 of inner sleeve 134 by securing member 180.For example, hole 178 can form through the lower end 184 of inner sleeve 134 and securing member 180, and for example dog screw or rivet extend through its.Securing member 180 is fixed handing-over with the lower end 184 of inner sleeve 134, and the lower end 184 of inner sleeve 134 and the far-end of actuator rod 174 182 are fixed.
In operating process, when controller 152 sends the signal of telecommunication by conductor 153, actuator 172 by according to come self-controller 152 input signal polarity and along direction linear slide up or down.When actuator rod 174 is moved up or down, the inner sleeve 132 of firm attachment is associated movement also, with respect to outer sleeve 130, along direction up or down, moves.When inner sleeve 132 moves up or down, the import extension component 114 of firm attachment on inner sleeve 132 by bottom flange connector 138, upwards returns or stretches out downwards with respect to the basal surface of base plate 110 simultaneously.
As above regard to described in the second embodiment of Figure 18, controller 152 stores import extension component 114 with respect to the current location of base plate 110 in its memory.Those of ordinary skills should know, the location of import extension component 114 can be stored in one or more forms or other data structure, in carrying out cleaning procedure process and/or in the process by sensor 150 detection obstructions 164, these one or more forms or other data structure are read by controller 152 at an easy rate.When receiving the signal that represents to change along surface, pond from sensor 150, controller 152 will determine and to actuator 172 transmission appropriate signals, so as to make bar 174 edges up or down direction move, thereby correspondingly return or stretch out import extension component 114.For example, when sensor 150 detects obstruction on the horizon, and during to controller 152 transmitted signal, controller will be determined the current location of import extension component 114, and when it stretches out, to send command signal to actuator 172, and to bar 174 is moved along upward direction, make inner sleeve 130 motions simultaneously and import extension component 114 is fixed on to upwards retracted position.Once skip obstruction, sensor 150 will send secondary signal to controller 152, and controller will be by conductor 153 to actuator 172 transmitted signals, so that (for example downward) motion in opposite direction, thereby make inner sleeve 130 motions, and make import extension component 114 be fixed on downward extended position.
It will be appreciated by those skilled in the art that import extension component 114 can be controlled by controller 152 along the distances that direction is moved up or down.Namely, controller 152 can limit electric notor 154(Figure 18) rotation or move the up or down distance of (Figure 19) of actuator rod 174, thereby control import extension component 114 with respect to the height of base plate 110.Like this, import extension component 114 can be arranged on and stretch out completely or the complete optional position between retracted position with respect to base plate 110.Particularly, controller 152 can store one or more data structures in its memory, this data structure comprises a series of samplings on surface, pond 160 and any obstruction 164(on the horizon such as water inlet etc.), this obstruction 164 will be obtained in the scheduled time by sensor 150 when cleaner 100 crosses pond 160.The sampling being stored in the memory of controller 152 can comprise that the height on surface, pond is with respect to the variation of previous measured value.The processor of controller 152 or microcontroller can be carried out routine or the program being stored in memory, this routine or program can determine that the height of obstruction on the horizon and definite import extension component 114, by the optimum height of returning (to avoid and its collision), also provide maximum suction and cleaning efficiency.
As previously mentioned, in order to optimize the position of inlet openings and to make, for remove the suction maximum of chip from the surface that will clean, the invention provides adjustable for height import extension component, the surface that this import extension component can be used for relatively will cleaning reduces suction point.Adjustable extension component can also be for reducing the effective area of suction opening, thereby increase the speed that sucks the water in inlet openings.Therefore, adjustable for height import extension component has improved cleaning efficiency, even in having the pond of surface interruptions thing, otherwise this surface interruptions thing may be interfered the formula motion of cleaner.
Although introduced a plurality of embodiment of the present invention above, in the situation that do not depart from definite basic principle of the present invention and the scope of claim by below, those of ordinary skills should be understood that other embodiment.
Claims (19)
1. for a base plate for self-propelled robot cleaner device, this self-propelled robot cleaner device is for the underwater surface of clean pond or tank, and base plate comprises basal surface and the water inlet forming through basal surface, and also comprises:
Import extension component, this import extension component is mounted in water inlet, and the direction that import extension component can be vertical along the basal surface with respect to base plate is return slidably and stretches out; And
Height adjustment mechanism, this height adjustment mechanism is connected with import extension component, and is arranged so that import extension component moves up and down along the direction vertical with respect to the basal surface of base plate.
2. base plate according to claim 1, wherein: import extension component comprises at least one sidewall, the basal surface that this sidewall is basically perpendicular to base plate extends.
3. base plate according to claim 2, wherein: import extension component comprises flange, this flange substantially vertically stretches out from the bottom part of at least one sidewall of import extension component, and wherein, a part for the basal surface of described outward extending flange and base plate is overlapping.
4. base plate according to claim 1, wherein: height adjustment mechanism is connected with import extension component by flange connector.
5. base plate according to claim 4, wherein: height adjustment mechanism comprises bolt, for the distance that regulates import extension component to stretch out with respect to the basal surface of base plate, bolt can rotate clockwise or counterclockwise, to make import extension component be retracted into complete retracted position, extend out to any one position in complete extended position and the optional position between them.
6. base plate according to claim 5, wherein: height adjustment mechanism also comprises outer sleeve and cylindricality inner sleeve, this outer sleeve is firmly arranged on the upper surface of base plate, and there is an inner conduit of cylindricality, this cylindricality inner sleeve is coaxial positioning externally in the inner conduit of cylindricality of sleeve slidably, described inner sleeve has inner conduit, and this inside conduit has screw thread, and is arranged to join with bolt.
7. base plate according to claim 6, wherein: inner sleeve is connected with the sidewall of import extension component by flange connector.
8. base plate according to claim 6, wherein: bolt turn clockwise or be rotated counterclockwise in a rotation inner sleeve and import extension component are moved along the direction vertical with respect to the basal surface of base plate simultaneously.
9. base plate according to claim 2, also comprises: at least one sidewall, this sidewall upwards stretches into the inside of housing along the direction substantially vertical with the basal surface of base plate, and corresponding at least one sidewall of adjacent entrance extension component.
10. base plate according to claim 4, wherein: height adjustment mechanism is by manual operation.
11. base plates according to claim 4, wherein: height adjustment mechanism is connected with electric notor, described electric notor can be operable to controls the distance that import extension component stretches out with respect to the basal surface of base plate.
12. base plates according to claim 11, wherein: height adjustment mechanism can be connected with the sensor communication being arranged on cleaning device, described sensor can be operable to electric notor and transmit control signal, so that response detects under water lip-deep obstruction along pond or when the underwater surface of tank moves at cleaning device and import extension component is return.
13. base plates according to claim 12, wherein: sensor can be operable to electric notor and transmit control signal, so that response detects along pond or when the underwater surface of tank moves at cleaning device and skips obstruction and import extension component is stretched out.
14. base plates according to claim 11, wherein: height adjustment mechanism response receives one or more control signals of self-controller and controls the distance that import extension component stretches out with respect to the basal surface of base plate.
15. base plates according to claim 14, wherein: the distance that import extension component can stretch out with respect to the basal surface of base plate is in the scope of returning completely and stretching out completely.
16. base plates according to claim 11, wherein: electric notor is the reversible motor with driven wheel, and height adjustment mechanism comprises:
Bolt, this bolt has driven gear, and the distance for regulating import extension component to stretch out with respect to the basal surface of base plate;
Outer sleeve, this outer sleeve is firmly arranged on the upper surface of base plate, and has the inner conduit of cylindricality; Cylindricality inner sleeve, coaxial positioning is externally in the inner conduit of cylindricality of sleeve slidably for this cylindricality inner sleeve, and described inner sleeve has inner conduit, and this inside conduit has screw thread, and be arranged to and bolt handing-over, and inner sleeve is connected with the sidewall of import extension component by flange connector; And
Wherein, driven wheel and driven gear handing-over, to make bolt along counterclockwise or clockwise direction rotation, thereby make import extension component be retracted into complete retracted position, extend out to any one position in complete extended position and the optional position between them.
17. base plates according to claim 11, wherein: electric notor is actuator, and height adjustment mechanism comprises;
Actuator rod, this actuator rod is longitudinally stretched out from actuator, for the distance that regulates import extension component to stretch out with respect to the basal surface of base plate;
Outer sleeve, this outer sleeve is firmly arranged on the upper surface of base plate, and has the inner conduit of cylindricality; Cylindricality inner sleeve, this cylindricality inner sleeve is coaxial positioning externally in the inner conduit of cylindricality of sleeve slidably, described inner sleeve has inner conduit, and for receiving actuator rod, and inner sleeve is connected with the sidewall of import extension component by flange connector;
Wherein, actuator rod is fixed in a part for inner sleeve, to inner sleeve is moved along direction up or down, thereby make import extension component be retracted into complete retracted position, extend out to any one position in complete extended position and the optional position between them.
18. 1 kinds of methods for making import extension component stretch out and return, this import extension component is connected with the water inlet being formed in the base plate of self-propelled robot cleaner device, this self-propelled robot cleaner device is for the underwater surface of clean pond or tank, this cleaning device comprises: housing, this housing has front part, relative rear portion and the sidepiece part of adjacency, and they have determined the inner periphery and the outer periphery of cleaning device; The supporting member that rotation is installed, this supporting member is connected near the front part and rear portion of housing; Base plate, the water inlet that this base plate has basal surface and forms through it; Import extension component, this import extension component is arranged to be slidably mounted in water inlet, to can return slidably and stretch out along the direction vertical with respect to the basal surface of base plate; Height adjustment mechanism, this height adjustment mechanism is connected with import extension component, and is arranged so that import extension component moves up and down along the direction vertical with respect to the basal surface of base plate; And sensor, this installation of sensors is on housing, and be connected with height adjustment mechanism operation, described sensor can be operable to electronic controller and transmit control signal, this electronic controller is useful at least one input part and the efferent for transmitting control signal to height adjustment mechanism that receives output signal from sensor, to control the distance that import extension component stretches out with respect to the basal surface of base plate, the method comprises:
Cleaning device is moved along clean path on the underwater surface in pond;
Detect along clean path cleaning device above from the underwater surface in pond obstruction protruding upward; And
Response obstruction detected and cleaning device along automatically make before clean path contact obstruction import extension component be retracted into base plate in a preset distance.
19. methods according to claim 18, also comprise: at cleaning device, after clean path is skipped obstruction, automatically make import extension component stretch out a preset distance from base plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/632,428 US8590090B2 (en) | 2008-09-11 | 2012-10-01 | Adjustable intake port for submersible pool and tank cleaner |
| US13/632,428 | 2012-10-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103711336A true CN103711336A (en) | 2014-04-09 |
| CN103711336B CN103711336B (en) | 2016-03-30 |
Family
ID=50404647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310357393.7A Active CN103711336B (en) | 2012-10-01 | 2013-08-16 | For the adjustable intake of submersible pond and tank cleaner |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103711336B (en) |
| AU (1) | AU2013206739B2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105496A (en) * | 1990-10-18 | 1992-04-21 | Arneson Products, Inc. | Suction cleaning device |
| US5634229A (en) * | 1994-08-22 | 1997-06-03 | Stoltz; Herman | Swiming pool cleaner |
| US20010050093A1 (en) * | 1999-04-01 | 2001-12-13 | Joseph Porat | Motion detection and control for automated pool cleaner |
| US20060282962A1 (en) * | 2000-06-24 | 2006-12-21 | Henkin Melvyn L | Turbine drive apparatus and method suited for suction powered swimming pool cleaner |
| US20100058546A1 (en) * | 2008-09-11 | 2010-03-11 | Giora Erlich | Pool cleaner baseplate with inlet extension members and recessed wheels |
-
2013
- 2013-07-08 AU AU2013206739A patent/AU2013206739B2/en active Active
- 2013-08-16 CN CN201310357393.7A patent/CN103711336B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5105496A (en) * | 1990-10-18 | 1992-04-21 | Arneson Products, Inc. | Suction cleaning device |
| US5634229A (en) * | 1994-08-22 | 1997-06-03 | Stoltz; Herman | Swiming pool cleaner |
| US20010050093A1 (en) * | 1999-04-01 | 2001-12-13 | Joseph Porat | Motion detection and control for automated pool cleaner |
| US20060282962A1 (en) * | 2000-06-24 | 2006-12-21 | Henkin Melvyn L | Turbine drive apparatus and method suited for suction powered swimming pool cleaner |
| US20100058546A1 (en) * | 2008-09-11 | 2010-03-11 | Giora Erlich | Pool cleaner baseplate with inlet extension members and recessed wheels |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2013206739B2 (en) | 2015-11-26 |
| CN103711336B (en) | 2016-03-30 |
| AU2013206739A1 (en) | 2014-04-17 |
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Effective date of registration: 20191118 Address after: Afulaellit, Israel Patentee after: Aquitron robotics Co., Ltd Address before: American New Jersey Patentee before: Aquatic Products Co., Ltd. |