CN103348052A - Washing machine - Google Patents
Washing machine Download PDFInfo
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- CN103348052A CN103348052A CN2011800559087A CN201180055908A CN103348052A CN 103348052 A CN103348052 A CN 103348052A CN 2011800559087 A CN2011800559087 A CN 2011800559087A CN 201180055908 A CN201180055908 A CN 201180055908A CN 103348052 A CN103348052 A CN 103348052A
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- filter
- cylinder
- filter cell
- valve
- rinsing maching
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention relates to a washing machine comprising a tub (2), a draining circuit (16) fluidly connected to the tub (2) for draining fluid from the tub (2), a recirculation circuit (10) fluidly connected to a lower portion of the tub (2) for recirculating fluid from the lower portion of the tub (2) into the tub, and a filter element (28, 28', 28") at an inlet (14) of the recirculation circuit (10) for preventing foreign objects to enter the recirculation circuit, wherein the filter element (28, 28', 28") comprises at least one filter aperture for letting pass fluid, and wherein the at least one filter aperture extends to a lateral border of the filter element (28, 28', 28"), such that the at least one filter aperture comprises an opening in its perimeter and/or the at least one filter aperture (34a-e) forms a at least two filter fingers (35a-d, 35a'-d', 35a"-f") spaced one another.
Description
The present invention relates to a kind of rinsing maching (this statement also comprises a kind of rinsing maching with functions/drying), comprise a filter cell for an one recirculation circuit.
DE 100 46 349 A1 have disclosed a kind of rinsing maching, and this rinsing maching has a discharge opeing loop and a recirculation circuit, and this recirculation circuit is used for washings are recycled to an one top from a bottom of a cylinder.Fine screen mesh filter enters this recirculation circuit across the entrance of this recirculation circuit in order to prevent fine hair.Passed the backflow of this recirculation circuit by water and cleaned this filter cell, wherein the fine hair that removes during a blowdown period is washed away by the water that flows through this granular membrane.
An object of the present invention is to provide a kind of rinsing maching that comprises for the modified filter cell of recirculation circuit.
The present invention limits in claim 1.A plurality of specific embodiments are stated in the dependent claims.
Hereinafter, when quoting " water ", water can similarly be indicated in term " water ", as washings, wash liquid, wash solution etc.
Hereinafter, when quoting " rinsing maching ", term " rinsing maching " can refer to muzzle-loading type or roof-mounted type rinsing maching, and these two kinds of rinsing machings all have or also do not have functions/drying.
According to claim 1, a kind of rinsing maching comprises a cylinder and a discharge opeing loop, is connected to be used on this cylinder during at least one blowdown period of a wash cycle water being discharged from this cylinder this discharge opeing loop fluid.For example this discharge opeing loop is connected or is attached on this cylinder, or this cylinder can comprise a storage tank, and this discharge opeing loop is attached or be connected on this storage tank.A recirculation circuit is provided, has been connected to this recirculation loop fluid on this cylinder and is used for fluid being recycled on of this cylinder from a bottom of this cylinder or the middle part at least one recirculation stage of a wash cycle.By water repeatedly is recycled to clothing, need in this cylinder, not use enough high in order to cover the water level of clothing in this cylinder fully.Therefore, there is the amount of water to be heated to reduce, reduced the energy consumption of rinsing maching whereby.A filter cell of this rinsing maching is positioned at the upstream of an entrance of this recirculation circuit, is used for preventing that foreign matter (for example fine hair, button, coin etc.) from entering this recirculation circuit.Therefore, this filter cell has prevented obstruction or the obstruction of this recirculation circuit and/or an one recirculation pump.Make at least one filter openings of this filter cell of water process extend to transverse edge or the girth (this can be circumference if this filter has round-shaped) of this filter cell.Therefore, this at least one filter openings comprises the girth of an interruption or an opening in its girth, as a space.Thus, this at least one filter openings at least two filter fingers form a plurality of shanks of filter or a plurality of rake pin between formed a spacing.When recirculation water passed this recirculation circuit, fine hair and other foreign matters were trapped in two fingers of at least one perforate of this filter cell or this filter cell at least.When granular membrane element using as describe about DE 100 46 349 or EP 0 240 911 B1, fine hair and foreign matter may be wrapped in this screen cloth, thereby make and flow through or the water of this granular membrane of flowing through no longer can remove the fine hair of this winding.The unique possibility that cleans this granular membrane in the case is to replace this granular membrane, or mechanically or by hand cleans this granular membrane.In contrast to this, these filter fingers of the opening in the girth of at least one filter openings or this filter cell have prevented that fine hair/foreign matter is wrapped in this filter cell.Therefore, the opening in the girth of at least one filter openings or these filter fingers are for example auxiliary during a blowdown period of this rinsing maching washes away fine hair/foreign matter from this filter cell.
According to a preferred embodiment, this filter cell extends or gives prominence to or extend or be projected into an one principal piece discharge opeing loop, cylinder or storage tank of this rinsing maching at least in part.Therefore this filter cell preferably is attached on this rinsing maching with hang.That is, only the part of this filter cell is advantageously fixed or is attached on this rinsing maching, thus make this filter cell be a self-supporting or element independently.Therefore this filter cell does not preferably extend the discharge opeing loop of crossing this rinsing maching or the whole cross section of storage tank.Attached having assisted from this filter cell of a free-ended suspension that produces this filter cell poured fine hair this discharge opeing loop, cylinder or the storage tank.
Preferably, below a lower surface of this filter cell and this filter cell, provide a space above at least a portion in a zone between the upper surface in a zone.When this discharge opeing loop be work and water when discharging from this rinsing maching, this space has been assisted from this filter cell and this recirculation circuit and has been washed away sediment and fine hair.
In a preferred embodiment of this filter cell, at least a portion of this filter cell, or an one principal piece is adapted in order to the water that flows from this cylinder is deflected, particularly during a blowdown period.Therefore, this filter cell is adapted in order to will discharge current and is redirected.For example, the water that flows from this cylinder in a blowdown period hits this filter cell or its part with an acute angle, and is redirected on the direction in this discharge opeing loop by this filter cell.Because water is at the bump on this filter cell or water flow on this filter cell or this filter cell of flowing through, fine hair and foreign matter have been washed away from this filter cell effectively.Instead, if this filter cell is arranged in this cylinder, particularly be arranged between the cylinder of supporting rotatably in this cylinder and this cylinder, current (these current can be caused by the rotation of this cylinder in this cylinder) in this cylinder then, water flow through this filter cell and auxiliaryly thus wash away fine hair from this filter cell.
Preferably, being attached to or being positioned at this entrance of this filter cell, at least a portion that particularly is attached in this discharge opeing loop, this cylinder and/or the storage tank comprises a closing surface.Therefore, an attachment part near this filter cell does not provide opening or perforate.The closed portion of this filter cell can for example arrive the effective deflection of water this discharge opeing loop.A free end that extends to the filter cell of this discharge opeing loop, cylinder and/or storage tank preferably includes this at least one filter openings.Therefore, this filter cell advantageously comprise one forked or the rake shape shape, promote thus fine hair is washed away from this filter cell.
Preferably, this filter finger or rake pin are to be parallel to water to flow to the flow direction of this positive displacement pump and align from this cylinder when this positive displacement pump is being worked, or partly extend to this flow direction.Therefore, at a blowdown period, on the direction of the opening in this at least one filter openings, or at free-ended direction washing fine hair and the foreign matter of these at least two filter fingers.Therefore further promoted washing away of fine hair.
Preferably but unessentiallyly, the opening in the girth of at least one filter openings account for this at least one filter openings girth at least 1/16,1/10,1/5 or 1/4.Thus, this space is fully big in order to allow for example easily to wash away fine hair from this filter cell.
According to a preferred embodiment, this at least one perforate comprises a shape, and the bottom of this shape from the opening this at least one perforate to this at least one perforate relative with this opening is tapered.Therefore, the bottom of this at least one perforate is narrower than the opening in the girth of at least one perforate.Or in these at least two fingers each advantageously is tapered to its free end from a bottom.The cross section of this at least one perforate has been assisted narrowing down on the direction of the bottom of this at least one perforate and caught or captured fine hair and foreign matter in this at least one perforate.And then the cross section of this perforate widening from this bottom to this space assisted and removed or washed away fine hair or the foreign matter that captures this perforate.For example, this at least one filter openings comprise be selected from from rectangle, substantially for rectangle, triangle, be generally triangular, semicircle or be a semicircular shape substantially.
Preferably, this filter cell comprises at least four filter fingers, preferably at least six filter fingers.Yet, can provide arbitrary number the filter finger (odd number or even number, but be equal to or greater than two clearly).These these perforates are parallel to each other or arrangement substantially parallel preferably, thereby makes these perforates form a rake shape filter cell.
According to a preferred embodiment, this rinsing maching comprises a valve, and this valve has a valve body that is arranged between this cylinder and this discharge opeing loop.When closing during the heating period of this valve at a washing operation, the water in this discharge opeing loop is not heated.Therefore, the energy consumption of this rinsing maching is reduced.
In one embodiment, this valve body is formed by this storage tank container or its part, or is formed by a part that this cylinder is connected to a discharge opeing suction channel on the positive displacement pump.Therefore, and have valve that separates body relatively, be used for providing the decreased number of the element of this valve.Be arranged at the entrance of this recirculation circuit under the situation at bottom of this valve body or lower area place, this recirculation circuit has a kind of improvement ability that sucks insoluble washing agent, this insoluble washing agent is owing to the lower area (for example, storage tank or discharge opeing suction channel) that gravity has been collected in this valve body is located.
Preferably, the entrance of this filter cell or this recirculation circuit is placed on the downstream of this valve.In other words, the entrance of this recirculation circuit is positioned in the back of this valve about flowing of water, and this water leaves this cylinder and passes this valve and go to this discharge opeing loop (that is, the water that leaves this cylinder through running into the entrance of this recirculation circuit after this valve).Because the imperfect water-stop of this valve, therefore insoluble washing agent can take place passed this valve (for example, during water-filling when washing agent is punched in this cylinder).This washing agent has been collected in this cylinder in the discharge opeing loop of valve seat below basically around valve openings.The washing agent of collecting in this way below this valve seat will be inhaled into and be passed in below this valve the entrance of the recirculation circuit in (or as the downstream seen in from this cylinder), and be cycled back in this cylinder when the work of this recirculation circuit next time.Thus, because washing agent is by more effective use rather than discharged from this rinsing maching, clean result strengthens thus.In other words, less washing agent loses in this discharge opeing loop of this rinsing maching, and therefore less washing agent must be used to realize identical wash result.Therefore, this rinsing maching provides a kind of economical washing operation about energy and washing agent consumption.
Preferably, this valve body has this valve seat and a removable closing element, and this removable closing element is adapted to can discharge with this valve seat and engages in order to close this valve openings that runs through this valve seat.This valve is preferably automatically closed or is opened according to the water level in this discharge opeing loop and/or this cylinder.In other words, this valve preferably is adapted to according to water level and self-starting, for example by being adapted in (washing) water or a floating closure member and self-starting thereon.For example this closure member is at the floating on water surface of filling this discharge opeing loop or storage tank gradually, and by the water level that rises, that is, and by buoyancy, final this valve seat of extruding downwards, and thus with this valve openings sealing in this valve seat.This cylinder is closed from this discharge opeing loop thus, wherein provides one simply and the valve of robust, and this valve is non-maintaining or non-maintaining substantially.
According to a preferred embodiment, be shaped to towards a surface of the filter cell of this valve so that on this surface or receive or support the removable closing element of this valve in this surface.In a preferred embodiment, when water level is very low and when this closure member floating or when being pressed downwards by circulating water, this filter cell partially or even wholly receives this closure member in its surface no longer on the water.Because water flows through this closure member, thus (rotation mainly) of this closure member mobile this above filter cell or above take place, wherein produce an eddy current that helps from this filter cell, to remove fine hair or other foreign matters.
Preferably, this removable closing element has a sphere or basic shape for sphere, engages with this valve seat thereby make it be adapted in any (rotation) position.This is favourable during free-floating in this storage tank or discharge opeing loop when this closure member.Scheme as an alternative, this closure member is for example formed by a radial type lobe, similar with in a swing check valve for example, this valve is closed by buoyancy and hydraulic pressure.
Yet the valve of other kinds (for example electrical control) can be used for allowing/stoping water flow to this discharge opeing loop from this cylinder.
According to a preferred embodiment, this filter cell comprises completely or partially arch an or crooked or hemispheric cross section at least one sectional plane, and/or this cross section is on the direction of discharging fluid or as completely or partially being recessed into seen in the side of this cylinder.For example, this filter cell comprises a bowl-shape form, the form auxiliary catch foreign matter that this is bowl-shape and/or this removable closing element of support.
According to an alternate embodiment according to a kind of rinsing maching of the present invention, the entrance of this recirculation circuit for example one bar pipe is to be attached on the bottom of this cylinder, that is, and and the upstream of this valve.Therefore, the filter cell that is arranged in this entrance upstream advantageously extends to this cylinder in the case, particularly extends at this cylinder and is installed in the space between the cylinder of this rinsing maching wherein.Equally in this embodiment, this filter cell is cleaned by the water that flows through this filter cell during this at least one blowdown period of a wash cycle.In addition, the once rotation of this cylinder is mobile cause that washings flow or current through the filter cell in this cylinder, and thus auxiliary from this filter cell washing fine hair or a plurality of foreign matter.
For these embodiment of this rinsing maching, can add each isolated feature of claims or specification, or any combination of isolated or independent a plurality of features can be added claim to.
With reference to a plurality of preferred embodiments of the present invention, the example of these preferred embodiments shows that in the accompanying drawings these accompanying drawings illustrate in detail:
(Fig. 1) according to the schematic cross-sectional elevational of a kind of rinsing maching of the present invention,
The schematic cross-sectional elevational of the rinsing maching of Fig. 2 Fig. 1 during Jiang Shui inserts an one cylinder,
The schematic cross-section of the rinsing maching of Fig. 3 Fig. 1, wherein this cylinder water is partially filled,
The schematic cross-sectional elevational of the rinsing maching of Fig. 4 Fig. 1 during a recirculation stage,
The schematic cross-sectional elevational of the rinsing maching of Fig. 5 Fig. 1 during a blowdown period,
Fig. 6 is according to the perspective partial side cross-sectional view of the part of an exemplary internal structure of a kind of rinsing maching of the present invention,
The perspective partial side cross-sectional view of the internal structure of the rinsing maching that Fig. 7 is shown in Figure 6,
The partial cross section of the details of the structure of the rinsing maching that Fig. 8 is shown in Figure 6,
A plurality of perspective views of the valve that Fig. 9 a-d goes out as shown in FIG. 6 and a plurality of sectional view,
The side cross-sectional view of the valve of Figure 10 Fig. 9 a-d under in off position,
The side cross-sectional view of valve under open mode of Figure 11 Fig. 9 a-d,
Figure 12 a-d is as the perspective view at a filter cell shown in Fig. 9 a-d,
The schematic cross-sectional elevational of Figure 13 a kind of rinsing maching according to an alternative embodiment of the invention,
The perspective view of an alternate embodiment of a filter cell of Figure 14 a-b and the side cross-sectional view that has a valve of this filter cell, and
The perspective view of another embodiment of a filter cell of Figure 15 a-b and the side cross-sectional view that has a valve of this filter cell.
Fig. 1 has described to comprise the schematic cross-sectional elevational of a rinsing maching 1 of a cylinder 2, and this cylinder 2 comprises and has a cylinder 4 of rotatably arranging therein.A discharge opeing loop 16 is provided, and this discharge opeing loop preferably includes a positive displacement pump 18, a discharge opeing suction tube 17, a discharge opeing riser 19 and a discharge opeing filter 20.When positive displacement pump 18 work, discharge opeing suction tube 17 during a blowdown period, be connected on the cylinder 2 fluid in case from this cylinder 2 discharge water, washings or fluid.Advantageously provided a valve 26, this valve advantageously comprises a valve body 27; Valve 26 preferably includes a valve seat 22, and this valve seat is in a dividing plate form that has an opening and is arranged between cylinder 2 and the discharge opeing loop 16.Advantageously, in valve body 27 freely removable maybe can be floating a removable closing element 24 for example a ball be adapted to valve seat 22 and engage, in order to cylinder 2 is cut off from discharge opeing loop 16.Removable closing element 24 is made by the floatability materials such as plastics, and floating on the water according to the water level in discharge opeing suction tube 17 or valve body 27.When water level rose, removable closing element 24 raise towards valve seat 22 and has closed the opening at valve seat 22 places up to the surface of this removable closing element.This valve seat can form in a dividing plate or plate, goes out as shown in FIG. 1.In describing embodiment, discharge opeing suction tube 17 is tubular and has formed storage tank (at least a portion), and even valve body 27 is received on the minimum point of cylinder 2.Yet in other embodiments, discharge opeing suction tube 17 can have difformity in the zone below the opening of cylinder is direct at least.
In a heating period of a wash cycle, advantageously heat water in cylinder 2 by being arranged in a heating element heater (not shown) in the cylinder.When valve 26 is closed, only heat the water in cylinder 2 but do not heat water in discharge opeing loop 16, reduce the energy consumption of rinsing maching thus.
Provide a recirculation circuit 10 in order to water or washings are recycled to a top (as shown in an embodiment) of this cylinder 2 from a bottom of cylinder 2, or be recycled to a middle part of this cylinder.Recirculation circuit 10 preferably includes a suction tube 13, a recirculation pump 12 and a recirculation pipe 11, is connected to this discharge opeing suction tube 17(these suction tube 13 preferably fluids and forms storage tank).When recirculation pump 12 work, under the situation of the water yield that must in cylinder 2, not provide fully (or even partly) to cover clothing 44, effectively soak the clothing 44 in cylinder 2.That is, the water consumption during a wash cycle reduces on the one hand, and on the other hand, because the water consumption that has reduced, therefore less water must be heated, and has reduced energy consumption thus.
Fig. 2 has described the schematic cross-section front view of rinsing maching when the beginning of a wash cycle of Fig. 1.As shown by a plurality of arrows, running water flows in the cylinder 2 through a water inlet 6.Washing agent extractor 8 of tap water flows, running water carries washing agent from this washing agent extractor 8 and enters cylinder 2 and the cylinder 4, as with as indicated in these arrows.Under this state, water level 42a is in following scope, thereby wherein removable closing element 24 does not adjoin valve seat 22 and makes valve 26 open.Therefore water fills up discharge opeing loop 16 and partly fills up recirculation circuit 10.
The rinsing maching that Fig. 3 has described Fig. 1 has been filled the schematic cross-sectional view of cylinder 2 when selecting the maximum stage 42b of washing procedure when water during a stage of wash cycle.Positive displacement pump 16 and recirculation pump 12 are not activated in this stage.Washings have reached the maximum stage 42b of part clothes covering thing 44 in cylinder 2.When water level is elevated to 42b from water level 42a and because still water buoyancy, removable closing element 24 is pushed or pushes against valve seat 22, and valve-off 26 thus.Valve 26 is for 16 automatically cutting off the mode that a kind of simple and robust is provided with cylinder 2 from the discharge opeing loop during these stages of wash cycle, wherein these pumps 12,18 do not work and wherein this water level have the minimum constructive height of removable closing element 24 extruding against valve seat 22.Especially, during a heating period when filling water so that valve-off and when not having pump work, valve 26 is preferably closed.
Fig. 4 has described the schematic cross-section front view of rinsing maching 1 during a recirculation stage of a wash cycle of Fig. 1.Recirculation pump 12 is activated and washings is pumped into the recirculation pipe 11(that is connected with the inside of cylinder 2 from storage tank or discharge opeing suction tube 17 it can have a mouth of pipe) outlet.When operation recirculation circuit 10, recirculation pipe 11 waters are filled and water level is down to middle water level 42c from maximum stage 42b.As shown in the embodiment of Fig. 4, recirculation circuit is delivered to water in the cylinder 2 and is delivered on the cylinder 4.Cylinder 4 comprises a plurality of holes or a plurality of perforation, and washings enter cylinder 4 and soak clothing 44 by these holes or perforation.Alternatively, recirculation circuit 10 is directly delivered to water in this cylinder 4 (Fig. 6) by an outlet at a rotation place of cylinder 4.In another embodiment, pipe 11 outlet or the mouth of pipe are arranged at of muzzle-loading rinsing maching and load the door place, thus make recirculation water can be injected or spray that loading opening by cylinder directly enters cylinder and clothing 44(wherein is not shown).
Contingent be washing agent particularly powder detergent when the beginning of a wash cycle, do not dissolved fully.For example when making tap water flows washing agent extractor 8 begin to wash this washing agent and before the water level height must be enough to just valve-off 26 (seeing for example water level 42a), some washing agent can keep not dissolving and can enter in storage tank or the discharge opeing suction tube 17 by the opening in the valve seat 22 along inside wall of cylinder flushing.Because gravity, so washing agent can be collected there.In addition, even just the water level height must be enough to valve-off 26, if the opening in the valve 26 incomplete shut off valve gate seats 22, then the undissolved washing agent of collecting at the minimum point place of cylinder 2 may enter the discharge opeing loop.For example, during the cylinder rotary manipulation of rinsing maching.
As indicated in Figure 4, the recirculation pump 12 that has started has produced suction force in its suction side, since from top and below act on the buoyancy of pressure reduction on the removable closing element and this removable closing element, so valve 26 is opened or partly opened to this suction force.Removable closing element 24 leaves from its valve seat 22.Water can pumping from cylinder 2 thus, although the entrance 14 of recirculation circuit 10 is placed on valve seat 22 downstreams.That is, during a recirculation stage of a wash cycle, valve 26 is automatically opened by the suction force of recirculation pump 12.With reference to the washing agent of describing in front in storage tank or the discharge opeing suction tube 17 of being collected in, because the entrance 14 of recirculation circuit 10 is placed on below the valve seat 22 or the downstream, therefore storage tank manage precipitation in 17 or any washing agent of collecting during at this recirculation circuit of operation recirculation get back to cylinder 2, this washing agent effectively and effectively is used for this wash cycle whereby.
Fig. 5 has described the schematic cross-section front view of rinsing maching 1 during a blowdown period of a wash cycle of Fig. 1.Described the flow process of rinsing maching with a plurality of arrows.Positive displacement pump 18 has been opened valve 26 in the suction force of its suction on side, and positive displacement pump 18 with water from cylinder 2 and also from recirculation circuit 10 pumping by discharge opeing riser 19 and pump out rinsing maching 1.Leave cylinder 2 and the washings of the filter cell 28 of flowing through have cleaned filter cell 28, that is, wash or washed filter cell 28.Preferably, filter cell 28 is arranged in draining stream, discharge opeing loop 16 or the valve body, thereby makes in a blowdown period water that flows from cylinder 2 hit this filter cell 28 with an acute angle about the upper surface 30 of filter cell 28.Especially, current hit part near the filter cell 28 of the entrance 14 of recirculation circuit with an acute angle.Such as below description, this part of filter cell 28 comprises a confining surface and forms deflector or the parts of this filter cell 28 thus.By a plurality of filter finger 35a-d(Figure 12 a-d for example) actual filtration of the filter cell 28 that forms partly has been arranged at the free end of the filter cell 28 that extends to discharge opeing suction tube 17.Therefore from cylinder 2 current along surface 30 deflections of filter cell or be redirected, namely, being basically parallel to the surface 30 of filter cell 28, and being filter finger 35a-d by this filter cell 28() fine hair and a plurality of foreign matter that catch be flushed away from filter cell 28 between drainage period.In other words, filter cell 28 has formed a deflector elements, and this deflector elements will be redirected in the discharge opeing loop 16 from the discharge opeing stream of cylinder 2, particularly be redirected in the discharge opeing suction tube 17.Further, at the stream of the washings that leave cylinder 2 or in shoving, removable closing element 24 is movement in rotation mobile (arrow) mainly.This of removable closing element 24 moves and produced an auxiliary eddy current that removes fine hair and other a plurality of foreign matters from this filter cell 28.In other words, provide " automatically cleaning " filter cell 28.In addition, the foreign matter that has captured arbitrarily from the auxiliary washing of recirculation circuit 10 and the backflow (as indicated by decline water level 42d) of leaving the water of recirculation pipe 11 leaves filter cell 28.Discharge opeing filter 20, be captured subsequently from filter cell 28 or from a plurality of foreign matters that cylinder 2 washes out, the user can be from the outside near this discharge opeing filter so that cleaning.If the user can not be from rinsing maching outside near filter 28 self, this is particularly advantageous so.
Fig. 6 has described the perspective partial side cross-sectional view as the part of an exemplary internal structure of a kind of rinsing maching 1 of schematically describing in Fig. 1, this rinsing maching is a kind of top-loading washer in this embodiment.These same reference numeral are used for as these same characteristic features of described rinsing maching 1 in the above.About technology details and feature operation, fully with reference to the above embodiment that has schematically illustrated.Cylinder 4 is supported in cylinder 2 rotatably.Valve 26 below the cylinder 2 has illustrated in fragmentary sectional view.Removable closing element 24(is spherical in this example) in valve seat 22, engage, and as in the state depicted in figure 6 cylinder 2 is being closed from discharge opeing loop 16.The entrance 14 of recirculation circuit 10 be positioned at valve 26 below, specifically be positioned at below the valve seat 22.The suction side of recirculation pump 12 is connected on this storage tank or the discharge opeing suction tube 17 through suction tube 13.The outlet side of pump 12 advantageously is connected to a passage and is had an outlet at a rotation place of cylinder 4 through recirculation pipe 11.Discharge opeing loop 16 is by having the form of a dividing plate or plate at valve seat 22() in opening and fluid be connected on the cylinder 2, thereby make can washings can by positive displacement pump 18 operations and from cylinder 2 discharging by pipeline 17, discharge opeing filter 20, pump 18 and discharge opeing riser 19 outside to machine.
Fig. 7 shows the perspective partial side cross-sectional view of the structure of Fig. 6.In this fragmentary sectional view, as seen be arranged at the filter cell 28 at entrance 14 places of recirculation circuit 10.Fig. 8 shows the fragmentary sectional view of details of the structure of Fig. 6.The dividing plate of valve seat 22 or plate are attached at the lower edge of the extension of cylinder 2, extend at the place, bottom of this cylinder.The valve body 27 that receives removable closing element 24 preferably is attached on the cylinder extension at this dividing plate place, and has formed the part of discharge opeing suction tube.Advantageously, suction tube 13 and discharge opeing suction tube 17 all have the segmentation that forms a bellows.These bellowss be used for to suppress cylinder and are transferring to vibration on these pumps 12,18.
Fig. 9 a-d has described the perspective cross-sectional view of the valve 26 that goes out as shown in FIG. 6.Fig. 9 a shows the top view of valve 26, and the dividing plate that has wherein formed valve seat 22 illustrates from the cylinder side.Lug 29 advantageously is attached on the valve body 27 and is outstanding from this valve body, and this valve body is used for an end of attached suction tube 13.Filter cell 28 advantageously is attached on the lug 29; Preferably but not essentiallyly, filter cell 28 is not independent or become whole part to make with this lug as one.Lug 29 preferably is used for installing filter cell 28 in an exit in valve body 27, and wherein this has gone out interruption-forming to the entrance 14 of aspiration circuit 10.
Preferably, the other opening 37(of in valve body 27 is shown in Figure 10) with the internal flow of valve body 27 be connected on the pipeline 36 of in Fig. 9 a-d, describing.This pipeline advantageously is connected to a pressure control (barostat; Not shown) go up so that the water level 42 of detection in cylinder 2.
Fig. 9 b shows valve 26 along the cross sectional view of the line A-A of Fig. 9 a.Valve 26 by be positioned on its valve seat 22 and thus the removable closing element 24 of the opening of block valve 26 shut or close.Filter cell 28 preferably is attached on the entrance 14 of recirculation circuit 10 by mounting portion or lug 29, and this mounting portion or lug advantageously are connected on this recirculation circuit by a plug connection.Filter cell 28 preferably is attached on the lug 29 that has formed entrance 14 with hang, thereby makes the main body of this filter cell 28 extend among the inner volume of valve body 27 with independent mode.Preferably have corresponding with the shape of removable closing element 24 or corresponding shape basically towards the part of the filter cell 28 of the inner space of valve body 27; For example, if removable closing element 24 is spherical, then filter cell 28 advantageously comprises a bending corresponding with the shape of removable closing element 24 or that part is corresponding and/or hemispheric shape basically.
Fig. 9 d shows from the below along the cross sectional view at the line B-B shown in Fig. 9 c.In this embodiment, filter cell 28 advantageously has a forked shape and comprises a plurality of finger 35a-d, these fingers have a plurality of perforate 34a-e between a plurality of fingers, and these perforates 34a-e has these open entrance 38a-e(or the spaces to these fingers).Advantageously, these fingers of filter have formed a plurality of teeth or the pin of a rake.These fingers 35a-d is preferably parallel or be arranged essentially parallel to that water flows through valve body 27 to a flow path of positive displacement pump 18 from cylinder in blowdown period.Especially, these fingers 35a-d is advantageously parallel or be arranged essentially parallel to a flow path of water, and this flow path is redirected or deflection by closed portion or the deflector of filter cell 28.Therefore, the current of deflection with fine hair from the bottom wash of these fingers 35a-d to these spaces, and auxiliary these filter fingers of cleaning 35a-d thus.
Figure 10 shows the side cross-sectional view of valve in a closed condition of Fig. 9 a-d, and this is described about Fig. 3.Because water has been filled cylinder 2, discharge opeing loop 16 and has partly been filled recirculation circuit 10, therefore the buoyancy of the generation on the removable closing element 24 of floatability should push against valve seat 22(in this state by removable closing element, and these pumps 12,18 are not worked).
Figure 11 shows the side cross-sectional view of valve in an open mode of Fig. 9 a-d, and this is described about Fig. 2,4 and 5.Owing to a low water level 42a(Fig. 2) or because the suction force (Fig. 4) of recirculation pump 12 or the suction force (Fig. 5) of positive displacement pump 18, so valve 26 is opened.Removable closing element 24 advantageously closely supports near filter cell 28 or by this filter cell, and this filter cell advantageously comprises the shape that the shape with removable closing element 24 is complementary or is complementary basically.Has one substantially under the situation of spherical form at removable closing element 24, the rotation that this removable closing element 24 is caused by current during a blowdown period is moved and has been produced a kind of eddy current, this eddy current is auxiliary to remove for example fine hair from filter cell 28, aforesaid.
Figure 12 a-d shows the perspective view of the filter cell 28 that goes out as shown in FIG. 6.The upper surface 30 of this filter cell of valve body 27 inside (that is, towards) shows filter cell 28 to Figure 12 a from the top.Filter cell 28 advantageously comprises a plurality of perforate 34a-e, makes each perforate 34a-e have the side of a sideways open thereby these perforates extend to a horizontal boundary of this filter cell 28.
(that is, it has shown the surface 32 of this filter cell 28 of removable closing element 24 dorsad or valve 26) shows filter cell 28 to Figure 12 b from the below.Such as in the above description, filter cell is the part of lug 29 advantageously, this lug has formed the mounting portion that is used for installing at the opening of valve body 27 filter cell 28 simultaneously.With hang filter cell 28 is supported on the side thus, and the main body of this filter cell 28 stretches among the inner space of valve body 27.The outer surface of filter cell 28 is towards the part of the inner surface of valve body 27, and this filter cell 28 preferably is arranged to and makes have a space 33 between the inner surface of the outer or lower surface 32 of this filter cell and this valve body.
Figure 12 c shows a side view of filter cell 28, and one of them arrow has been described the current during a recirculation stage of a wash cycle.Figure 12 c also shows recirculation pipe 11 attached on lug 29.Water passes through these perforates 34a-e of filter cells to the downside 32 of filter element from the upside 30 of filter cell 28, and enters recirculation circuit 10, advantageously passes through an opening in mounting portion or lug 29.
Arrow in Figure 12 c and 12d has shown the current during a recirculation stage.Fine hair or foreign matter detention and are washed in the bottom relative with these perforates of these fingers 34a-e along these fingers in these fingers 35a-d or tooth of filter 28, have collected fine hair and foreign matter in this bottom.In contrast, during a blowdown period of a wash cycle, washings from top process valve seat 22 perforate and the filter cell 28 of flowing through, and similarly some water flow out closed circuit 10 in the opposite direction.These current wash fine hair and foreign matter in the bottom from these fingers towards the direction of perforate entrance 38a-e.Thus, any fine hair or the foreign matter that capture in filter cell 28 are easily washed off, and are not for good and all caught in filter cell 28 (that is, in these filter openings 34a-e or these fingers 35a-d of filter).Further, preferably the part of the filter cell 28 of close recirculation circuit 10 has a closing surface.In other words, these perforates 34a-e does not preferably extend the whole surface of a part of crossing filter cell 28, and this whole surface extends in the discharge opeing loop 16.The closed portion of filter cell 28 can catch bigger foreign matter and not have the risk of these perforates 34a-e of these foreign matter blocking filters 28.Further, the above-mentioned deflection of the auxiliary draining current of the closed portion of filter cell 28, and assist high-efficiency cleaning filter cell 28 thus.The filter cell 28 that has these filter fingers 35a-d preferably includes the shape of a recessed or hemisphere.
Figure 13 has described the schematic cross-section front view according to a kind of rinsing maching 1' of an alternate embodiment.The a plurality of elements corresponding with above-mentioned a plurality of elements refer to these equal reference numbers.About ins and outs and the feature operation of these elements, fully with reference to above-mentioned these embodiment.Opposite with above-described embodiment of Fig. 1, an entrance 14' of the recirculation circuit 10 of the rinsing maching 1' of Figure 13 is positioned at valve 26 upstreams, and this entrance 14' is connected on the cylinder 2 especially.Because recirculation entrance 14' is positioned at valve 26 upstreams, so this valve 26 keeps shutting or closing during a recirculation stage, that is, only cylinder 2 interior water are carried out circulation.Filter cell 28 is corresponding to above-described embodiment, and prevented that fine hair and foreign matter from entering recirculation circuit, and is aforesaid.When cylinder during the washing operation at rinsing maching 1' 4 rotation, swing roller caused flowing through in the cylinder 2 current of filter cell 28.Especially, the fine hair that captures in the current on the end direction of finger 35a-d will these perforates 34a-d at filter cell 28 and other foreign matters wash out these perforates 34a-d.Therefore, filter cell 28 has been cleaned by the current in the space between cylinder 2 and cylinder 4.Especially, if rinsing maching is operated under a rolling pattern, that is, when the direction of rotation of cylinder 4 repeatedly was changed during a washing operation, filter cell repeatedly and therefore was cleaned up hill and dale.At one subsequently in the blowdown period, because the suction force of positive displacement pump 18 has been opened valve 26, as describing about Fig. 5, therefore fine hair and the foreign matter through washing is drained into the discharge opeing loop 16 from cylinder 2.Fine hair passes discharge opeing filter 20, and bigger foreign matter such as coin are trapped in wherein in order to prevent that these foreign matters from arriving and damage possibly or block positive displacement pump 18.Preferably, discharge opeing filter 20 be removable or at least the user can approach in order to clean, so the user can remove seizure a plurality of foreign matters therein.
Figure 14 a there is shown the further embodiment of a filter cell 28' in perspective.These similar or same numbers are used for aforesaid similar or components identical.Compare with above-mentioned filter cell 28, these filter fingers 35a'-d' of Figure 14 a differently is shaped and is directed.Each filter finger 35a'-d' comprises at least one straight line portion.Compare with above-mentioned filter cell 28, at least a portion of each among the finger 35a'-d' of filter 28' is not bending or recessed.When the filter cell 28' of Figure 14 a is arranged in the valve in its operating position, as shown in Figure 14 b, these filter fingers 35a'-d' is oriented to so that hit these filter fingers 35a'-d' from the current (for example during a blowdown period) of the opening of valve seat 22 with a right angle or basic right angle.Especially, current hit the straight line portion of these fingers 35a'-d' with a basic right angle, that is, (draining) water (flow) direction of current or power are substantially perpendicular to these filter fingers 35a'-d'.Therefore, they have formed the actual filtration district of filter cell to current at these filter fingers 35a'-d'() apply its maximum, force, and the fine hair and the foreign matter that therefore catch in these perforates between these filter fingers 35a'-d' apply maximum, force.Thus fine hair and foreign matter are loosened from these filter fingers 35a'-d' efficiently and washed away.In addition, as mentioned above, the sealing upper surface 30' of filter cell 28' makes the current from the opening of valve seat 22 be arranged essentially parallel to these filter finger 35a'-d' and deflection or redirected, thereby make because the water (flow) direction of combination (vertical and be parallel to these filter fingers 35a'-d'), loose fine hair and foreign matter are poured the discharge opeing suction tube 17 from filter cell 28' effectively.
Figure 15 a shows the perspective view of just another embodiment of a filter cell 28''.Similar or same numbers is used for aforesaid these similar or components identical.Compare with above-mentioned filter cell 28,28', filter cell 28'' comprises a plurality of filter finger 35a''-f'', and these filter fingers extend from a preferred basic main body for circle with a confining surface.Preferably straight formation of these filter fingers 35a''-f'' namely, is not that be recessed into or crooked, describes similar to filter 28' about Figure 14 a-b.Therefore in the operation of the valve that has filter cell 28'' and as shown in Figure 15 b, water flux from the opening of valve seat 22 hits filter cell 28'' with a basic right angle, its filtering area particularly, that is, and these filter fingers 35a''-f''.In addition, the upper surface 30'' of this filter 28'' preferably spill or hemispheric and formed and be used for water and flow out and enter deflecting element the above-mentioned valve from cylinder 2.Therefore, filter cell 28'' provides and has described these identical advantages about Figure 14 a-b.
Claims (15)
- Rinsing maching (1,1') comprising:A cylinder (2),A discharge opeing loop (16) is connected to this cylinder (2) this discharge opeing loop fluid and upward is used for discharging fluid from this cylinder (2),A recirculation circuit (10) is connected to this recirculation circuit (10) fluid and is used on the bottom of this cylinder (2) fluid is recycled to this cylinder (2) from this bottom of this cylinder (2), andFilter cell (28,28', 28''), this filter cell be positioned at this recirculation circuit (10) an entrance (14,14') sentence and prevent that just foreign matter from entering this recirculation circuit,It is characterized in that, this filter cell (28,28', at least one filter openings (34a-e) 28'') extends to this filter cell (28,28', horizontal boundary 28''), thereby make this at least one filter openings (34a-e) be included in the opening (38a-e) in its girth, and/or this at least one filter openings (34a-e) formed at least two filter fingers being spaced apart from each other (35a-d, 35a'-d', 35a''-f'').
- 2. rinsing maching according to claim 1, wherein, (28,28', main body 28'') and/or main region extend in this discharge opeing loop (16) as an independent component or extend in this cylinder (2) or extend in the storage tank of this rinsing maching this filter cell.
- 3. rinsing maching according to claim 1 and 2, wherein, a space (33) has been formed on this filter cell (28,28', 28'') and between the inner surface this discharge opeing loop (16) or a storage tank this cylinder (2) or this rinsing maching, and/or wherein, this recirculation circuit entrance (14) is arranged at this filter cell (28,28', back side 28'') (32) are located.
- 4. according to claim 1,2 or 3 described rinsing machings, wherein, this filter cell (28,28', main body 28'') and/or main region have formed a deflect flow element, and this deflect flow element is used for making water mobile from this cylinder (2) to this discharge opeing loop (16) during a blowdown period to deflect and/or is redirected.
- 5. according to each described rinsing maching in the above claim, wherein, extend to the filter cell (28 in this discharge opeing loop (16) or this cylinder (2) or the storage tank, 28', free end 28'') comprises this at least one filter openings (34a-e), and (28,28', part 28'') comprises a confining surface wherein to be attached to or to be arranged in this filter cell of this discharge opeing loop (16) or this cylinder (2) or storage tank.
- 6. according to each described rinsing maching in the above claim, wherein, (35a-d, 35a'-d' 35a''-f'') are parallel to or are arranged essentially parallel to fluid and flow to the flow direction in discharge opeing loop (16) and align from this cylinder (2) these at least two filter fingers.
- 7. according to each the described rinsing maching in the above claim, wherein, this at least one filter openings (34a-e) comprises a shape, the bottom of this shape from this opening (38a-e) to this at least one perforate relative with this opening is tapered, and/or these at least two filter finger (35a-d, 35a'-d', 35a''-f'') bottom of each from these filter fingers is tapered to its free end.
- 8. according to each described rinsing maching in the above claim, wherein, this at least one filter openings (34a-e) comprise and/or these at least two filter fingers (35a-d) comprise be selected from rectangle, substantially for rectangle, triangle, be generally triangular, semicircle or be a semicircular shape substantially.
- 9. according to each described rinsing maching in the above claim, wherein, this filter cell (28,28', 28'') comprise at least four filter fingers (35a-d, 35a'-d', 35a''-f''), preferably at least six filter fingers or eight filter fingers.
- 10. according to each described rinsing maching in the above claim, wherein, this rinsing maching comprises a valve (26) that is arranged between this cylinder (2) and this discharge opeing loop (16), wherein this valve (26) comprises a valve body (27), a valve seat (22) and a removable closing element (24), and this removable closing element (24) is adapted to this valve seat (22) and engages releasedly in order to close or open this valve (26).
- 11. rinsing maching according to claim 10, wherein, this filter cell (28,28', 28'') and/or the entrance of this filter cell (14) be placed on the downstream of a valve seat (22) of this valve (26).
- 12. according to claim 10 or 11 described rinsing machings, wherein, this valve is closed and is opened according to water level (42a-d) and/or pressure reduction between this cylinder (2) and this valve body (27).
- 13. according to claim 10,11 or 12 described rinsing machings, wherein, filter cell (28 towards this valve (26), 28', a surface (30) 28'') is shaped in order to be received in described surface (30) and goes up or be positioned at the removable closing element of locating on described surface (30) (24).
- 14. according to each described rinsing maching in the claim 10 to 13, wherein, this removable closing element (24) comprises a shape sphere or substantially spherical.
- 15. according to each described rinsing maching in the above claim, wherein, this filter cell (28,28', 28'') at least one sectional plane, comprise completely or partially arch an or crooked or hemispheric cross section, and/or this cross section is on the direction of discharging fluid or as completely or partially being recessed into seen in the side of this cylinder.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10192058.5 | 2010-11-22 | ||
| EP10192058.5A EP2455535B1 (en) | 2010-11-22 | 2010-11-22 | Washing machine |
| PCT/EP2011/070494 WO2012069390A1 (en) | 2010-11-22 | 2011-11-18 | Washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103348052A true CN103348052A (en) | 2013-10-09 |
| CN103348052B CN103348052B (en) | 2016-11-30 |
Family
ID=
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059355A (en) * | 2015-10-02 | 2017-08-18 | Lg电子株式会社 | Washing machine |
| US10738404B2 (en) | 2015-10-02 | 2020-08-11 | Lg Electronics Inc. | Washing machine and method for controlling the same |
| CN112127120A (en) * | 2019-06-25 | 2020-12-25 | Bsh家用电器有限公司 | Laundry care appliance with a pump device and method for operating a laundry care appliance |
| US11021827B2 (en) | 2015-10-02 | 2021-06-01 | Lg Electronics Inc. | Method for controlling washing machine |
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| US3466901A (en) * | 1967-09-25 | 1969-09-16 | Philco Ford Corp | Laundry apparatus |
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| CN107059355A (en) * | 2015-10-02 | 2017-08-18 | Lg电子株式会社 | Washing machine |
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| US11021827B2 (en) | 2015-10-02 | 2021-06-01 | Lg Electronics Inc. | Method for controlling washing machine |
| CN112127120A (en) * | 2019-06-25 | 2020-12-25 | Bsh家用电器有限公司 | Laundry care appliance with a pump device and method for operating a laundry care appliance |
| CN112127120B (en) * | 2019-06-25 | 2023-12-12 | Bsh家用电器有限公司 | Laundry care appliance with pump device and method for operating a laundry care appliance |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2455535A1 (en) | 2012-05-23 |
| EP2455535B1 (en) | 2017-06-28 |
| BR112013012554A2 (en) | 2016-08-30 |
| US20140083145A1 (en) | 2014-03-27 |
| AU2011333928A1 (en) | 2013-05-02 |
| WO2012069390A1 (en) | 2012-05-31 |
| RU2013126874A (en) | 2014-12-20 |
| AU2011333928B2 (en) | 2015-06-18 |
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