CN104975475B - A kind of filter mesh for washer self cleaning method and washing machine - Google Patents

A kind of filter mesh for washer self cleaning method and washing machine Download PDF

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Publication number
CN104975475B
CN104975475B CN201410140473.1A CN201410140473A CN104975475B CN 104975475 B CN104975475 B CN 104975475B CN 201410140473 A CN201410140473 A CN 201410140473A CN 104975475 B CN104975475 B CN 104975475B
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filter
filtering
filter vat
water
vat
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CN104975475A (en
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李海涛
许升
吕艳芬
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Qingdao Haier Washing Machine Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Abstract

The invention discloses a kind of filter mesh for washer self cleaning method and washing machines, washing machine includes outer barrel of washing machine and filter device, the filter device include filtering chamber and be set to the indoor filter vat of filter chamber, the filtering chamber is equipped with filtered water inlet mouth, by filtered water be expelled to outer barrel filtering water outlet and by clean filter screen sewage discharge outside sewage draining exit, the filter vat both ends and filtering chamber are pivotally connected, one end is rotary water-out connector, other end sealing, filtering water outlet inside rotary water-out connector and filter vat by being connected to.The present invention removes the filtering dirt of filtering net surface by the different rotating manner of driving filter vat.Dust gauze self-cleaning of the present invention improves the degree of automation, and cleaning mode is simple, cooperates into clear water and sprays cleaning filter vat, and cleaning effect becomes apparent from, improves with water cycle efficieny.

Description

A kind of filter mesh for washer self cleaning method and washing machine
Technical field
The present invention relates to washing machine cycles water treatment facilities, especially a kind of filter mesh for washer self cleaning method and Washing machine.
Background technique
As the improvement of people's living standards, washing machine has become one of main household electrical appliances of people's daily life, laundry The laundry processes of machine mainly include washing, rinsing, drying several stages, in washing stage washing machine inflow and detergent to clothing Washed, into rinse stage after in order to rinse spot and remaining detergent, need into more water or execute more Rinsing times rinse clothing, this certainly will expend a large amount of water resource, even the roller washing machine of water-saving, in order to rinse Clothing is also required to rinsing at least twice, this process will at least consume the tap water of 30L or more.Sometimes the spot on clothing is less Or launch detergent it is less, may twice with regard to rinsed clean, but due to user selected 3 times rinsing, certainly will will also result in The waste of water resource, for example, 6Kg automatic washing machine generally twice the basic water consumption of rinse water at 100 liters or so.How It can accomplish water and electric saving while cleaning clothes, be always one of consumer's focus of attention.
There has been no the matching used Water warfare of washing machine and recycling device, even so-called bands so far There is the washing machine of water-saving function to be filled the water and drained using water pump generally in the side of washing machine position installation water tank, general energy Enough primary water fillings, rinse 3 times, play water-saving function.But the water after washing can not save, while keep this body structure of washing machine multiple It is miscellaneous, huge, it is unfavorable for transport, recovery processing etc..Due to the limitation of volume, structure and flexibility etc., laundry is affected Machine original function and water-saving box function itself give full play to.
In order to preferably save water resource on the basis of existing laundry mode, many producers have put into a large amount of research and development, There is Water warfare and recycling device with production, production has the washing machine of water-saving function.
Meanwhile as flocculation technique graduallys mature, gradually application and popularization are come in industrial circle.Using flocculating principles The water-conservation washing machine of production also just becomes the research and development focus of each washing machine manufacturer.But due to existing filter device, With the operation of filter, it will lead to and adhere to a large amount of flocculate on filter screen, reduce the filter efficiency of filter device;Together When, filtering retains lower flocculate and clears up inconvenient in filter device, is not suitable for directly utilizing in washing facility field.
In view of this, the present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide, one kind is easy to use and reliable to be washed Clothing machine filter screen self cleaning method.
That another object of the present invention is to provide a kind of structures is simple, filter effect is good, with above-mentioned self cleaning method Washing machine.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution: a kind of filter mesh for washer Self cleaning method, filter screen are set to the surface of filter vat, and filter vat is rotatably arranged in filtering chamber, by driving filter vat Different rotating manners filters the filtering dirt of net surface to remove.
Further, the different rotating manner of driving filter vat is to drive the variation of filter vat revolving speed and/or turn to stop ratio Variation and/or the switching of rotation direction and/or the variation for driving filter vat acceleration.
Further, it is rotated by motor driven filter vat.
Further, drive filter vat vibration so that filter screen with crawl or the method for operation of shake by control motor The filtering dirt on surface falls off.
Further, filter vat rotation is driven by water inlet water flow.
Further, spray cleaning filter screen while rotation using water inlet water flow driving filter vat.
Further, the start and stop of variation and/or the water inlet of intake pressure and/or the angle that the flushed lauter tub of water inlet is different are controlled Degree realizes the different rotating manner of filter vat.
Further, during the rotation of driving filter vat, water inlet spray cleaning filter screen.
Preferably, the time for cleaning filter screen is not more than the time of filter vat rotation;It is furthermore preferred that first driving filter vat turns It is dynamic that disengaging filter screen is shaken/got rid of to biggish filtering dirt, the cleaning filtering lesser filtering dirt of net surface of then intaking again, The filter vat agitation that the water of filter screen is rotated is cleaned at this time, is splashed to filtering chamber's surrounding, can be cleaned filtering chamber's inner wall.
Above scheme is further, after water inlet cleaning filter screen setting time, ejected wash water is discharged, driving filter vat continues to turn Dynamic a period of time, the water on filter screen is dried, due to the rotation of filter vat, drives filtering chamber's microseism, it will be in filtering chamber Remaining droplet is completely exhausted out, and realizes the drying of filtering chamber, avoids the growth of bacterium.
The present invention includes at least the automatically cleaning mode of two kinds of grades, the first automatically cleaning mode is driving filter vat to shake Or the mode of crawl will filter dirt vibration and be detached from filtering net surface;
Second of automatically cleaning mode is driving filter vat positive and negative rotation switching;Or by turning to stop switching to throw away filtering dirt Net surface is filtered, the corresponding filter screen chocking-up degree of described the first automatically cleaning mode is corresponding lower than second of automatically cleaning mode Filter screen chocking-up degree.
Washing machine of the present invention includes outer barrel of washing machine and filter device, and the filter device includes filtering chamber With set on the indoor filter vat of filter chamber, the filtering chamber is equipped with filtered water inlet mouth, filtered water is expelled to outer barrel Filtering water outlet and by the sewage draining exit outside the sewage discharge for cleaning filter screen, the filter vat both ends and filtering chamber It is pivotally connected, one end is rotary water-out connector, and other end sealing filters water outlet and passes through rotary water-out connector and filter vat Inside connection.
Further, flocculation plant is equipped between outer barrel of washing machine and filter device, flocculation plant includes connecting with outer barrel Logical flocculation chamber is drained by outer barrel to flocculation treatment in flocculation chamber;Flocculation chamber is connected to filtering chamber, flocculation plant wadding It is solidifying that treated that water enters filtering chamber is discharged into outer barrel and is recycled after filter vat filters.
Further, the axial direction of the filter vat rotation and horizontal plane have a slanted angle α, and 0≤α≤30 ° rotate out of Water swivel is set to the lower one end of filter vat;By inclination or horizontal filter vat, filter area can not only be increased, accelerate filtering Speed, and be conducive to filter screen and clean.
Alternatively, the filter vat is set in filtering chamber vertically, rotary water-out connector is set to bottom end.The structure is for filtering Net rotates or vibration falls off, and flocculate has preferable effect;Current scour filter screen can be efficiently used in addition combined with water flow flushing Speed, filter screen cleaning are cleaner.
The circulating water treatment method of washing machine of the present invention are as follows: washing terminates, and draining passes sequentially through flocculation plant progress Flocculation treatment, filter device are filtered processing, then are discharged into outer barrel rinsing, and recycling above-mentioned water treatment procedure to rinsing terminates, and drives Dynamic filter vat rotation, begins a clean up filtering net surface flocculate;Further into clear water cleaning and filtrating equipment, so that cleaning effect is more It is good.
The flow path of recirculated water filtering are as follows: intake by filtered water inlet mouth to filtering chamber, the water inlet is being filtered at this time After the filter screen filtration for passing through filter vat surface in chamber, by being discharged with the filtering water outlet communicated inside filter vat, flocculate By filter screen filtration outside filter vat.
Dust gauze self-cleaning process are as follows: close filtering water outlet, driving filter vat rotation, the driving method using motor or It is driven into clear water, drives filter vat difference rotating manner, be attached to flocculate on filter screen big portion under the influence of centrifugal force Branch is thrown off the surface of filter screen, also will drive the indoor water flowing of filter chamber during filter vat rotation, movement Water flow can also help to wash away filtering net surface, this can also generate frictional force in the process and help filter screen between water flow and filter screen Cleaning.It cleans completion opening sewage draining exit in filter screen to be drained, filter vat rotation at this time is both conducive to mix flocculate and water Discharge is closed, filter screen can be also dried.
The cardinal principle of automatically cleaning filter device of the present invention is the vibration for utilizing filter screen, rotates the flocculation on filter screen Object is split away off, and further, washes away by the flocculate being sticky deposited on filter screen, tiny particles content using current scour, During filter vat rotates, cleaning is realized in filter screen and the indoor water agitation of filter chamber, final to solve when flocculate filters Paste net, blockage problem.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
Washing machine of the present invention uses filtration cycle water-saving device, can save water resource;Filter device realizes automatically cleaning, The step of eliminating cleaning filter device manually will filter dirt using the rotation of filter vat and throw away or shake disengaging filter screen, The degree of automation is improved, cleaning mode is simple, cooperates into clear water and sprays cleaning filter vat, and cleaning effect becomes apparent from, improves With water cycle efficieny.
Detailed description of the invention
Fig. 1 is filter apparatus configuration schematic diagram of the present invention;
Fig. 2 is another filter device schematic diagram of the present invention;
Fig. 3 is the A-A direction view of Fig. 2;
Fig. 4 is the B-B direction view of Fig. 2;
Fig. 5 is filter device of the present invention and tubulose spray head fit structure schematic diagram;
Fig. 6 is the circulating water treatment schematic diagram of washing machine of the present invention.
Specific embodiment
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
The present invention provides a kind of method of washing machine dust gauze self-cleaning, and this method can be all or part of in filtering dirt When plug filter net, filter screen is fast and effeciently cleaned.
As shown in Figures 1 to 5, filter screen 1 of the present invention is set to the surface of filter vat 2, and filter vat 2 is rotatably arranged in filtering In chamber 3, the filtering dirt on 1 surface of filter screen is removed by the different rotating manner of driving filter vat 2.Drive filter vat not With rotating manner be drive the variation of 2 revolving speed of filter vat and/or turn stop the variation of ratio and/or the switching of rotation direction and/or Drive the variation of 2 acceleration of filter vat.
The present invention can drive filter vat 2 to rotate by motor 4 or water inlet water flow.
Embodiment one
The present embodiment are as follows: during driving filter vat 2 rotates, further, water inlet spray cleaning filter screen can be cooperated, As shown in figure 5, being equipped with water inlet spray equipment in filtering chamber 3.Preferably, the time for cleaning filter screen 1 is not more than filter vat 2 The time of rotation;It is furthermore preferred that biggish filtering dirt is shaken/is got rid of and is detached from filter screen 1 by first driving filter vat 2 rotation, so It intakes again afterwards and cleans the lesser filtering dirt in 1 surface of filter screen, clean the agitation of filter vat 2 that 1 water of filter screen is rotated at this time, It is splashed to 3 surrounding of filtering chamber, 3 inner wall of filtering chamber can be cleaned.
Above scheme is further, after water inlet cleaning 1 setting time of filter screen, ejected wash water is discharged, driving filter vat 2 continues Rotation a period of time, the water on filter screen 1 is dried, due to the rotation of filter vat 2,3 microseism of filtering chamber is driven, by filter chamber Remaining droplet is completely exhausted out in room 3, is realized the drying of filtering chamber 3, is avoided the growth of bacterium.
Embodiment two
As shown in Figure 1, the present embodiment filter vat 2 is rotated using the driving of motor 4, by control motor 4 with crawl or shake The method of operation driving filter vat 2 shake so that the filtering dirt on 1 surface of filter screen falls off;It specially can be with intermittency check The starting of motor 4 or the crawl for stopping realizing motor 4, in addition, in the moment that motor 4 starts, motor 4 can generate shake.
Further, by controlling the variation of 4 revolving speed of motor or the switching of rotation direction, so that filtering dirt was thrown off 1 surface of strainer.For example, motor rotates forward 0-10min, 0-10min is inverted;Turn to stop the 10%-20% than being not more than rotation time;Or With the rotational speed of setting, such as 60 revs/min or more of revolving speed.
Embodiment three
As shown in Figures 2 to 4, the present embodiment is rotated using water inlet water flow driving filter vat 2, while using water inlet water flow Spray cleaning filter screen 1.
Specifically, water inlet water spraying direction corresponds to the circumferencial direction of the rotation of filter vat 2;If desired make 2 positive and negative rotation of filter vat, Can then the direction of water inlet spray be set to the circumferencial direction of the corresponding positive and negative rotation of filter vat 2, by switching water inlet direction to drive The rotation direction of dynamic filter vat 2.
Further, the start and stop of variation and/or the water inlet of intake pressure and/or the angle that the flushed lauter tub of water inlet is different are controlled Degree realizes the different rotating manner of filter vat.
Example IV
As shown in Figures 2 to 4, the structure that water inlet water flow driving filter vat 2 rotates includes spray head 5, and spray head 5 is installed on filtering On chamber 3, water spraying direction acts on 2 surface of filter vat, and driving filter vat 2 rotates.5 water spraying direction of spray head is close and filter vat Tangent direction is rotated, since filter vat and horizontal plane small angle inclination are arranged, irrigation pressure and gravity are in filter vat table Face increases the impact force of driving filter vat rotation.
Further, in order to enhance water inlet water flow driving 2 rotational efficienty of filter vat, in the corresponding water spray angle in 2 surface of filter vat Degree is equipped with blade 6(refering to fig. 1), the water spraying direction setting of the corresponding spray head 5 of blade 6, to transmit water flow driving filter vat rotation Power.
Embodiment five
As shown in figure 5, spray head 5 described in the present embodiment is tubular structure, closed at one end, the other end and cleaning water inlet connect Logical, 5 peripheral wall of spray head is in axial direction equipped with water jet 50.The shape of water jet 50 has circle, ellipse, strip etc., spray head 5 Length to guarantee that the flow width ejected is enough to cover the axial length range of entire filter screen 1.
The tubulose spray head 5 can be set multiple, be distributed on 3 side wall of filtering chamber, be parallel to the axial direction of the rotation of filter vat 2 Direction setting.
Embodiment six
According to the chocking-up degree of filter screen, the present embodiment sets the automatically cleaning mode there are two types of grade, the first automatically cleaning side Formula is that filtering dirt vibration is detached from 1 surface of filter screen in a manner of shake or crawl by driving filter vat 2;
Second of automatically cleaning mode is driving 2 positive and negative rotation of filter vat switching;Or by turning to stop switching to get rid of filtering dirt From 1 surface of filter screen, the corresponding filter screen chocking-up degree of described the first automatically cleaning mode is lower than second of automatically cleaning mode pair The filter screen chocking-up degree answered.
The invention is not limited to above two grade automatically cleaning mode, can also there are three types of, four kinds;According to blocking journey Degree, control filter vat velocity of rotation realize automatically cleaning, and blocking is more serious, and control revolving speed is bigger, water inlet can also be cooperated to rinse, control Water pressure processed realizes automatically cleaning.
Embodiment seven
As shown in fig. 6, washing machine of the present invention includes but is not limited to rotary drum washing machine and roller washing machine, laundry Machine includes outer barrel of washing machine 7 and filter device 8, and as shown in Fig. 1 to Fig. 3 and Fig. 5, the filter device 8 includes filtering chamber 3 With the filter vat 2 being set in filtering chamber 3, the filtering chamber 3 is equipped with filtered water inlet mouth 31, is expelled to filtered water The filtering water outlet 32 of outer barrel 2 and by clean filter screen sewage discharge outside sewage draining exit 33,2 both ends of filter vat It is pivotally connected with filtering chamber 3, one end is rotary water-out connector 21, and other end sealing filters water outlet 32 and passes through rotation It is connected to inside water outlet connector 21 and filter vat 2.
Embodiment eight
The present embodiment is the further improvement of embodiment seven: as shown in fig. 6, between outer barrel of washing machine 7 and filter device 8 Equipped with flocculation plant 9, flocculation plant 9 includes the flocculation chamber 91 being connected to outer barrel 7, by the draining of outer barrel 7 to flocculation chamber 91 Flocculation treatment;Flocculation chamber 91 is connected to filtering chamber 3, and the water after 9 flocculation treatment of flocculation plant enters filtering chamber 3 through filtering It is discharged into outer barrel 7 and is recycled after 2 filtering of bucket.
Embodiment nine
As shown in Figure 1 and Figure 5, filter vat 2 described in the present embodiment is set in filtering chamber 3 vertically, and rotary joint 21 is set to 2 bottom end of filter vat, filtering water outlet 32 are correspondingly arranged at 3 bottom of filtering chamber.Structure effective use hydraulic pressure and gravity washed away Strainer, filter screen cleaning are cleaner.
Embodiment ten
As shown in Figures 2 and 3, the difference of the present embodiment and above-described embodiment nine is: the axial direction that the filter vat 2 rotates L and horizontal plane R has a slanted angle α, 0≤α≤30 °, preferably 1 °≤α≤10 °, most preferably 1 °≤α≤3 °, rotary joint 21 are set to the lower one end of filter vat 2;By inclination or horizontal filter vat, filter area can not only be increased, accelerated filtering velocity Degree, and be conducive to filter screen and clean.
The structure can be accomplished in that 1, filtering chamber is horizontally disposed, and filter vat is obliquely installed;2, filter chamber Room is obliquely installed jointly with filter vat, and support base is equipped with below filtering chamber.
Set-up mode is erect relative to the filter vat in embodiment nine, the advantages of the present embodiment filter vat are as follows: 1, Neng Gouzeng Add filter area;2, water spray uniform force, slow-roll stabilization;3, flocculation filtration is uniform, is not easy to plug, and clean range is wide.
Embodiment 11
As shown in fig. 6, washing machine cycles water treatment work process of the present invention: the sewage after laundry enters flocculation plant 9, adds Flocculation water can be obtained after adding flocculant to stir, then flocculation water enters filtering chamber 3 by pipeline, passes through in filtering chamber 3 Filtering link obtains clean water, these clean waters are returned to again by pipeline in the outer barrel 7 of washing machine.
Washing sewage is through flocculation process, and most of flocculate can swim in the top of flocculation chamber 91, if flocculating effect It is undesirable, it may appear that the case where flocculate is suspended in flocculation chamber 91 or even sinks to bottom.If at this time by the road by flocculation water It is put into filtering chamber 3, flocculation water can enter filtering chamber 3 entrainment of one piece of a small amount of flocculate, into the flocculation of filtering chamber 3 Object can be adsorbed on the surface of filter screen 1, and filter screen 1 is blocked, and in this case, filtering chamber 3 filters water outlet 32 and is discharged The speed of clear water can be slack-off or even be stopped;Stop circular treatment water program at this time, starts to execute self-cleaning program.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to of the invention Preferred embodiment is described, and it is not intended to limit the concept and scope of the present invention, is not departing from design philosophy of the present invention Under the premise of, the various changes and modifications that professional and technical personnel in the art make technical solution of the present invention belong to this hair Bright protection scope.

Claims (12)

1. a kind of filter mesh for washer self cleaning method, filter screen is set to the surface of filter vat, and filter vat is rotatably arranged in In filtering chamber, it is characterised in that: cross drainage in filtering chamber by outside filter vat inwardly past strainer filtering, it is filtered Water is intercepted at the outer surface of filter screen by filtering chamber, filtering dirt are discharged inside filter vat, different by driving filter vat Rotating manner to remove the filtering dirt of filter screen outer surface.
2. a kind of filter mesh for washer self cleaning method according to claim 1, it is characterised in that: driving filter vat is not Same rotating manner is to drive the variation of filter vat revolving speed and/or turn to stop the variation of ratio and/or the switching of rotation direction and/or drive The variation of dynamic filter vat acceleration.
3. a kind of filter mesh for washer self cleaning method according to claim 1 or 2, it is characterised in that: pass through motor Drive filter vat rotation.
4. a kind of filter mesh for washer self cleaning method according to claim 3, it is characterised in that: by controlling motor With crawl or the driving filter vat vibration of the method for operation of shake so that the filtering dirt of filtering net surface falls off.
5. a kind of filter mesh for washer self cleaning method according to claim 1 or 2, it is characterised in that: pass through water inlet Water flow drives filter vat rotation.
6. a kind of filter mesh for washer self cleaning method according to claim 5, it is characterised in that: utilize water inlet water flow Spray cleaning filter screen while driving filter vat rotation.
7. a kind of filter mesh for washer self cleaning method according to claim 5, it is characterised in that: control intake pressure Variation and/or water inlet start and stop and/or the different angle of the flushed lauter tub of water inlet realize the different rotating manner of filter vat.
8. a kind of filter mesh for washer self cleaning method according to claim 1, it is characterised in that: driving filter vat turns In dynamic process, water inlet spray cleaning filter screen.
9. a kind of filter mesh for washer self cleaning method according to claim 1, it is characterised in that: according to different mistakes Filter net jam degree sets different grades of automatically cleaning mode.
10. a kind of filter mesh for washer self cleaning method according to claim 9, it is characterised in that: include at least two The automatically cleaning mode of kind of grade, the first automatically cleaning mode be driving filter vat by shake or crawl in a manner of will filter dirt Vibration is detached from filtering net surface;
Second of automatically cleaning mode is driving filter vat positive and negative rotation switching;Or by turning to stop switching that filtering dirt is thrown away filtering Net surface, the corresponding filter screen chocking-up degree of described the first automatically cleaning mode are lower than the corresponding filtering of second of automatically cleaning mode Net chocking-up degree.
11. a kind of washing machine with the dust gauze self-cleaning method as described in claim 1-10 is any, including outer barrel of washing machine And filter device, it is characterised in that: the filter device includes filtering chamber and is set to the indoor filter vat of filter chamber, described Filtering chamber be equipped with filtered water inlet mouth, filtered water is expelled to the filtering water outlet of outer barrel and the dirt of filter screen will be cleaned Sewage draining exit outside water discharge, the filter vat both ends and filtering chamber are pivotally connected, and one end is rotary water-out connector, separately One end sealing, filtering water outlet inside rotary water-out connector and filter vat by being connected to.
12. washing machine according to claim 11, it is characterised in that: be equipped with wadding between outer barrel of washing machine and filter device Solidifying device, flocculation plant includes the flocculation chamber being connected to outer barrel, is drained by outer barrel to flocculation treatment in flocculation chamber;Flocculate chamber Room is connected to filtering chamber, and the water after flocculation plant flocculation treatment, which enters filtering chamber and is discharged into outer barrel after filter vat filters, to follow Ring uses.
CN201410140473.1A 2014-04-09 2014-04-09 A kind of filter mesh for washer self cleaning method and washing machine Active CN104975475B (en)

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CN112726144B (en) * 2020-12-25 2021-10-22 珠海格力电器股份有限公司 Washing machine filtering device, washing machine and control method
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