CN204138955U - Washing machine - Google Patents

Abstract

The utility model provides a kind of washing machine, comprising: filter assemblies, is configured to controllably filter the water of discharging in the cylindric washer from described washing machine; With water purification loop, be configured to the filtration of described filter assemblies product water circulation to return in described cylindric washer reuse; Water spray in wherein said water purification loop is to the stereoscopic window of door of described cylindric washer.By filtration is produced Water spray on the stereoscopic window of door, the effect of washing away the stereoscopic window of door can be played; And allow as much as possible filtration produce water on the inner core and clothing of door stereoscopic window arrival cylindric washer, improve the filter efficiency of laundry water in urceolus.

Description

Washing machine

Technical field

The utility model relates to washing machine, particularly relates to a kind of washing machine with circulating water filtering system.

Background technology

Once laundry routine during existing conventional washing machine laundry generally includes into water, washing-drying-draining, repeatedly rinsing-drying-draining etc., and wherein washing and each rinsing all need to consume a large amount of clear water.The water of washing or rinsing, is discharged into washing machine outside environment by drainpipe.Whole washing process water consumption is larger, greatly waste water resource.

For realizing the object of Water-Saving for Washing Machine, prior art generally adopts following scheme to process laundrywastes:

Scheme 1: increase water storage tank and collect washings in washing machine, and filter screen is set is applied to next laundry processes by after the washings simple filtration of collection.

Scheme 2: increase reverse osmosis filter in washing machine, purifies laundrywastes, and purifying waste water after purification is applied to next laundry processes.

Scheme 3: use the auxiliary devices such as large-scale water treatment facilities and ozone generator to purify laundrywastes, is applied to next laundry processes by purifying waste water after purification.

But the practical application effect of above-mentioned several scheme is all undesirable, and main cause is as follows.

The filter screen that scheme 1 increases and water storage tank can only remove the line bits in washings simply.But because washings impurity is many, water quality is unstable, causes scheme 1 really can not solve the quality problem of washings.And this scheme needs manually to clean water storage tank and filter screen usually, safeguard inconvenience.

Scheme 2 uses reverse osmosis filter to purify laundrywastes, and this not only needs to use high-pressure pump, and purification produces water speed slowly, and water yield is difficult to the normal user demand ensureing washing machine.In addition, this scheme needs to regularly replace reverse osmosis filter, and cost is higher.

Scheme 3 uses the auxiliary devices such as large-scale water treatment facilities and ozone generator to purify laundrywastes, these auxiliary devices are not only own expensive, take up room large, but also need a lot of corollary apparatus and relevant cleaning plant, significantly increase equipment cost and maintenance cost further, be not suitable for average family completely and use.

Utility model content

An object of the present utility model is intended at least one defect overcoming prior art washing machine, provides a kind of compact conformation, the washing machine with circulating water filtering system easy for installation.

To achieve these goals, the utility model provides a kind of washing machine, comprising:

Filter assemblies, is configured to controllably filter the water of discharging in the cylindric washer from described washing machine; With

Water purification loop, is configured to the filtration of described filter assemblies product water circulation to return in described cylindric washer reuse; Wherein

Water spray in described water purification loop is to the stereoscopic window of door of described cylindric washer.

Alternatively, described washing machine also comprises:

External water stream filling line, is configured to receive external water stream, and injects described cylindric washer; Wherein

Described water purification loop and described external water stream filling line are connected respectively to two water inlet ends of a multi-way pipe fitting, spray the stereoscopic window of door to described cylindric washer respectively to allow described water purification loop and the water in described external water stream filling line at Different periods via one of described multi-way pipe fitting identical water side.

Alternatively, described washing machine also comprises:

Spray pipeline, its spray delivery port that there is spray water inlet and be provided with spray head, wherein said spray water inlet is communicated with the described water side of described multi-way pipe fitting, described spray pipeline extends to the top of the stereoscopic window of described door through the window pad sealing ring of described washing machine from top, to spray the water from described water purification loop or external water stream filling line on the inwall of the stereoscopic window of described door downwards.

Alternatively, described multi-way pipe fitting is three-way pipe.

Alternatively, bottom described filter assemblies, there is air inlet, to receive air-flow, air purge carried out to it,

Described washing machine also comprises: air pump, and being configured to provides air-flow to carry out air purge to described filter assemblies.

Alternatively, described filter assemblies comprises coarse filter and is positioned at the fine filter in described coarse filter downstream;

The water chamber of described coarse filter has air inlet, and it is as the air inlet of described filter assemblies,

The gas outlet of described air pump is communicated with the air inlet of the water chamber of described coarse filter.

Alternatively, described fine filter is hyperfiltration membrane assembly;

The entrance of the intake antrum of described coarse filter is communicated to the draining delivery side of pump of described washing machine,

The outlet of the water chamber of described coarse filter to the entrance of described fine filter, and

Dense row's mouth of the intake antrum of described coarse filter and the sewage draining exit of described fine filter are all communicated to the outer row pipeline of described washing machine.

Alternatively, described air pump is arranged on the organism soleplate of described washing machine; And

Described filter assemblies is arranged on a rear flank corner part of the organism frame of described washing machine.

The utility model embodiment is by producing Water spray on the stereoscopic window of door by filtration, except can play wash away the stereoscopic window of door effect except, as much as possible filtration also can be allowed to produce on inner core and clothing that water reaches cylindric washer through the stereoscopic window of door, avoid in traditional water intake mode and water is directly entered the filtration that causes in urceolus and produce water and directly mix with laundry water to be filtered, thus the filter efficiency of laundry water in effective raising urceolus.

In addition, the utility model embodiment is by producing Water spray on the stereoscopic window of door by filtration, limpid filtration after component filters after filtration can be produced water is presented in face of consumer, improve consumer to the acceptance of water-conservation washing machine, be beneficial to the extensive popularization of water-conservation washing machine, to realize using water wisely better.

Further, the utility model embodiment is sprayed on the stereoscopic window of door by same spray pipeline at Different periods respectively by water is produced in outside water inlet and filtration, decreases pipeline and arranges, saved cost.

According to hereafter by reference to the accompanying drawings to the detailed description of the utility model specific embodiment, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present utility model more.

Accompanying drawing explanation

Hereinafter describe specific embodiments more of the present utility model with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:

Fig. 1 is the schematic block diagram of the washing machine according to the utility model embodiment;

Fig. 2 is the schematic diagram of the washing machine according to the utility model embodiment;

Fig. 3 is the schematic diagram of the washing machine according to parts such as the omission cylindric washers of the utility model embodiment.

Detailed description of the invention

Fig. 1 is the schematic block diagram of the washing machine according to the utility model embodiment.This washing machine can comprise cylindric washer 12, water purification loop 14, draining pump 22 and have the circulating water filtering system of filter assemblies.Cylindric washer 12 is made up of urceolus and the inner core that can rotate in urceolus usually.The bottom of cylindric washer 12 is provided with water discharge outlet, passes through pipeline connection between water discharge outlet and the water inlet of filter assemblies via draining pump 22.Filter assemblies is configured to controllably filter the laundry water of discharging (such as being pumped by draining pump 22) from the cylindric washer 12 of washing machine.Water purification loop 14 is configured to the filtered water of described filter assemblies to loop back in cylindric washer 12 reuse, and Water spray in water purification loop 14 is to the stereoscopic window 15 of door of cylindric washer 12.Particularly, water purification loop 14 has into water port and water outlet port, and its water inlet port is communicated with the product mouth of a river of described filter assemblies, and its water outlet port is communicated with cylindric washer 12.In certain embodiments, the water outlet port in water purification loop 14 can connect a spray head, on the outer drum flange that described spray head can be arranged on cylindric washer 12 or the radially inner side of the window pad sealing ring 33 of described washing machine, and arrange towards the stereoscopic window 15 of door of described cylindric washer 12, spray the stereoscopic window 15 of door to cylindric washer 12 to make the water in water purification loop 14 through described spray head.

At washing stage or the rinse stage (particularly rinse stage) of washing machine, can utilize draining pump 22, filter assemblies and water purification loop 14 that the water pump in cylindric washer 12 is sent and looped back after filtering in cylindric washer 12 and reuse.

Filtration is produced Water spray on the stereoscopic window 15 of door by spray head by the utility model embodiment, except can play wash away the stereoscopic window 15 of door effect except, as much as possible filtration also can be allowed to produce on inner core and clothing that water reaches cylindric washer 12 through the stereoscopic window 15 of door, avoid in traditional water intake mode and water is directly entered the filtration that causes in urceolus and produce water and directly mix with laundry water to be filtered, thus the filter efficiency of laundry water in effective raising urceolus.

In addition, by filtration is produced Water spray on the stereoscopic window 15 of door, also the limpid filtration after component filters after filtration can be produced water and be presented in face of consumer, improve consumer to the acceptance of water-conservation washing machine, be beneficial to the extensive popularization of water-conservation washing machine, to realize using water wisely better.

In certain embodiments, washing machine also can comprise external water stream filling line 11, and it is configured to receive external water stream, and injects in cylindric washer 12.Particularly, the water inlet port running water pipe of external water stream filling line 11 is communicated with, and its water outlet port is communicated with cylindric washer 12.Usually, when washings fill phase and the washings fill phase of washing machine, utilize external water stream filling line 11 to introduce in cylindric washer 12 by outside running water, to inject washing clear water or rinsing clear water in cylindric washer 12.External water stream filling line 11 arranges water intaking valve 13, to control whether to make outside running water enter in cylindric washer 12.In certain embodiments, the outside water inlet from external water stream filling line 11 also can be sprayed to the stereoscopic window 15 of door.

See Fig. 2 and Fig. 3, water purification loop 14 and external water stream filling line 11 can be connected respectively to two water inlet ends of a multi-way pipe fitting 17, spray the stereoscopic window 15 of door to cylindric washer 12 respectively to allow water purification loop 14 and the water in external water stream filling line 11 at Different periods via one of multi-way pipe fitting 17 identical water side.Particularly, in certain embodiments, the water outlet port in water purification loop 14 is communicated with two water inlet ends of multi-way pipe fitting 17 respectively with the water outlet port of external water stream filling line 11.The described water side of multi-way pipe fitting 17 can connect a spray head, on the outer drum flange that described spray head can be arranged on cylindric washer 12 or the radially inner side of the window pad sealing ring 33 of described washing machine, and arranges towards the stereoscopic window 15 of door of described cylindric washer 12.The water entering water purification loop 14 and the water entering external water stream filling line 11 spray the stereoscopic window 15 of door to cylindric washer 12 through described spray head.

Such as, at rinse stage, when utilizing filter assemblies to filter the washings in cylindric washer, filter product water and can flow to the described water side of multi-way pipe fitting 17 to spray the stereoscopic window 15 of door to cylindric washer 12 via water purification loop 14.And the washings fill phase before rinse stage, outside running water utilizes external water stream filling line 11 to flow to the described water side of multi-way pipe fitting 17 to spray the stereoscopic window 15 of door to cylindric washer 12.

The utility model embodiment by by from external water stream filling line 11 outside water inlet and come self-purification loop 14 filtration produce water spray on the stereoscopic window 15 of door at Different periods respectively by same pipeline respectively, the effect of washing away the stereoscopic window 15 of door can be played, and decrease pipeline setting, save cost.

In certain embodiments, washing machine also can comprise spray pipeline 31, and it has spray water inlet and the spray delivery port with spray head.Described spray water inlet is communicated with the described water side of multi-way pipe fitting 17, spray pipeline 31 extends to the top of the stereoscopic window 15 of door through the window pad sealing ring 33 of described washing machine from top, spray downwards to the stereoscopic window 15 of door with the water of self-purification in future loop 14 or external water stream filling line 11.Particularly, on the outer drum flange that the described spray head of spray pipeline 31 can be arranged on cylindric washer 12 or the radially inner side of the window pad sealing ring 33 of described washing machine, and arrange towards the stereoscopic window 15 of door of cylindric washer 12.

Spray on the stereoscopic window of door at Different periods respectively by water is produced in outside water inlet and filtration, the effect of washing away the stereoscopic window of door can be played.In addition, as much as possible filtration can be allowed to produce on inner core and clothing that water reaches cylindric washer through the stereoscopic window of door, avoid in traditional water intake mode and water is directly entered the filtration that causes in urceolus and produce water and directly mix with laundry water to be filtered, thus the filter efficiency of laundry water in effective raising urceolus.

In certain embodiments, multi-way pipe fitting 17 is three-way pipe; Two water inlet end is connected with external water stream filling line 11 with water purification loop 14 respectively, and a water side is connected with spray pipeline 31.In further embodiments, multi-way pipe fitting 17 also can be four-way pipe.Such as, in certain embodiments, the utility model washing machine also can comprise the water in cylindric washer without looping back the circulation line (not shown) of reusing in cylindric washer 12 with filtering, this circulation line can be connected with another port of multi-way pipe fitting 17, sprays to the stereoscopic window 15 of door via spray pipeline 31 with the water of this circulation line that makes to hang oneself.

In the utility model embodiment, filter assemblies take screening as separation principle, effectively can reduce clothing residual wires bits, effectively can remove particulate in washings, colloid, bacterium, microorganism and macromolecule organic, with by washings or washings purifying, recycle, thus reach the object of water saving.But along with increasing of washing of drum type washing machine number of times, separate substance and some other impurity can build up on filter assemblies surface, and cause blocking and the pollution problem of filter membrane and/or film silk in filter assemblies, its filter effect can be subject to certain impact.In order to recover the filtration flux of filter assemblies, air purge can be carried out to filter assemblies.

In certain embodiments, bottom filter assemblies, be provided with air inlet, to receive air-flow, air purge carried out to it.Washing machine of the present utility model also can comprise air-flow feeding mechanism, and being configured to provides air-flow to carry out air purge to described filter assemblies.Obviously can improve the filter effect of filter assemblies like this, extend the service life of filter assemblies.In certain embodiments, air-flow feeding mechanism can be air pump 32.See Fig. 1, the gas outlet of air pump 32 is communicated with the air inlet of filter assemblies by airflow pipeline.Airflow pipeline is provided with check valve 34, and when check valve 34 is opened, air-flow only can flow to the air inlet of filter assemblies from the gas outlet of air pump 32, and can not make the gas outlet of the air flow direction air pump 32 in filter assemblies.When check valve 34 is closed, the gas outlet of air pump 32 leads to and is not communicated with between the air inlet of filter assemblies.When opening air pump 32 and check valve 34, air pump 32 pairs of filter assemblies provide air-flow, and pitch to utilize air-flow the impurity retained or stick in filter assemblies.

See Fig. 2 and Fig. 3, in the utility model embodiment, air pump 32 can be arranged on the organism soleplate 44 of described washing machine.The washing machine of the utility model embodiment can comprise organism frame 40 in general manner, and cylindric washer 12, draining pump 22, filter assemblies, air pump etc. are all arranged in organism frame 40.The organism frame 40 of washing machine can be formed by fixedly connecting by column support and the multiple crossbeams laid respectively in organism frame four vertical sides, and column support is positioned at four corner part places that four vertical sides are formed between any two.Organism soleplate 44 in the utility model embodiment can refer to the base plate be fixed on the crossbeam of washing machine body framework 40 bottom.

In the embodiment shown in fig. 2, filter assemblies is arranged in a rear flank corner part 48 of the organism frame 40 of described washing machine.In one embodiment, the Power supply and control wire harness of washing machine can be arranged in another rear flank corner part 45 of organism frame.Like this, substantially can realize water route in the inside of washing machine, circuit is separated.

In certain embodiments, described filter assemblies can comprise coarse filter 24 and be positioned at the fine filter 26 in coarse filter 24 downstream.Coarse filter 24 and fine filter 26 are vertically fixed together, from in cylindric washer 12 water flow to from the coarse filter 24 being arranged in the bottom fine filter 26 (" upstream " and " downstream " that it will be understood by those skilled in the art that here is according to fluid in the direction that pipeline and corresponding component flow) being positioned at most top layer.In other embodiments of the present utility model, filter assemblies also may comprise three, a four or more filter of series connection, to carry out required multistage filtering to from the water in cylindric washer 12.

In one embodiment, coarse filter 24 and fine filter 26 are arranged to integrated component, as those skilled in the art all can clearly realize that, so-called " integrated component " can comprise any one in following three kinds of situations here: the housing of (1) coarse filter 24 and fine filter 26 is integrated; (2) though the housing of coarse filter 24 and fine filter 26 is not one, be directly be connected between these two filters, the fluid communication namely between them does not pass through other intermediate duct; (3) coarse filter 24 and fine filter 26 are before being installed to washing machine, have been fixedly mounted in each other and have become a black box together.By being arranged so that filter assemblies compact conformation like this, and attaching/detaching is convenient.

In certain embodiments, coarse filter 24 can have the intake antrum and water chamber that are separated to form by filter screen (not shown), and the water entered in intake antrum enters in water chamber after strainer filtering.Wherein intake antrum has entrance to receive the fluid of inflow filter, and water chamber have outlet for filter after fluid flow out from filter.The entrance of the intake antrum of coarse filter 24 is communicated to the outlet of the draining pump 22 of washing machine.By the water of draining pump 22 from cylindric washer 12 pumping, enter coarse filter 24 intake antrum and flow into after filtering in water chamber.The fine filter 26 of the utility model embodiment can comprise entrance, inner chamber and produce the mouth of a river, filling film silk in its inner chamber, and the water after coarse filter 24 filters enters its inner chamber from the entrance of fine filter 26, flows out after the film silk through inside filters from the product mouth of a river.The product mouth of a river of fine filter 26 is communicated to the water purification loop 14 of cylindric washer 12, so that the water after being filtered by fine filter 26 turns back in cylindric washer 12.In certain embodiments, fine filter 26 is hyperfiltration membrane assembly.

Correspondingly, coarse filter 24 lower end of the utility model embodiment is provided with the air inlet be communicated with the water chamber of coarse filter 24, using the air inlet as described filter assemblies.In certain embodiments, in order to make the air-flow air pressure of air pump 32 output more evenly and reduce the loss of air-flow air pressure, to realize better air purge effect, air pump 32 can be arranged on the organism soleplate 44 of the air inlet of contiguous coarse filter 24, to make close together between the gas outlet of air pump 32 and the air inlet of coarse filter 24.

In certain embodiments, coarse filter 24 is also configured to have dense row's mouth especially, is communicated with the intake antrum of coarse filter 24, can discharge the fluid (as the air-flow of air purge or the current of washing) that coarse filter 24 cleans from dense row's mouth.Dense row's mouth is communicated with the outer row pipeline 18 of washing machine by dense comb 16.In certain embodiments, fine filter 26 also can arrange sewage draining exit, and it is also communicated with the outer row pipeline 18 of washing machine, discharges from sewage draining exit to make the fluid (as the air-flow of air purge or the current of washing) to fine filter 26 cleans.Dense row's mouth of coarse filter 24 can be communicated with two entrances of a triple valve 36 respectively with the sewage draining exit of fine filter 26, the outlet of this triple valve 36 is communicated with the outer row pipeline 18 of washing machine, will carry out the fluid of air purge or washing to coarse filter 24 and/or fine filter 26 directly from discharge washing machine.

In certain embodiments, when air pump 32 is to the air inlet pumping air-flow of the water chamber of coarse filter 24, described air-flow can carry out air purge to coarse filter 24 and fine filter 26 respectively.

Such as when carrying out air purge to coarse filter 24, triple valve 36 is communicated with the entrance of dense row's mouth and is communicated with the outlet conducting (triple valve 36 is communicated with the entrance of sewage draining exit and the outlet not conducting being communicated with outer row pipeline 18) of outer row pipeline 18.Intake antrum can be entered via filter screen after the air-flow of air pump 32 pumping enters the water chamber of coarse filter 24, after drain from outer row pipeline 18 through dense row's mouth, complete the air purge to coarse filter 24 filter screen.

When carrying out air purge to fine filter 26, triple valve 36 is communicated with the entrance of sewage draining exit and is communicated with the outlet conducting (triple valve 36 is communicated with the entrance of dense row's mouth and the outlet not conducting being communicated with outer row pipeline 18) of outer row pipeline 18.After the air-flow of air pump 32 pumping enters the water chamber of coarse filter, can enter in its inner chamber via the import of fine filter 26 and air purge is carried out to film silk, and discharge from outer row pipeline 18 through sewage draining exit.

In certain embodiments, after coarse filter 24 air purge He after fine filter 26 air purge, respective washing can be carried out to it respectively.

Such as when washing coarse filter 24, the water in cylindric washer 12 is entered in the intake antrum of coarse filter 24 by draining pump 22, and the most of water entered in intake antrum only flows out along the flowing of filter screen outer surface and from dense row's mouth of intake antrum.In the process, the dirt be attached in coarse filter intake antrum on filter screen can be discharged to outside washing machine together along with water, thus can play the effect clean to coarse filter.

Such as when washing fine filter 26, the water in cylindric washer 12 enters in the intake antrum of coarse filter by draining pump 22, enters in water chamber after strainer filtering, continues upwards to flow in the inner chamber of fine filter, and flows out through the sewage draining exit of fine filter.In the process, the dirt of the film silk surface attachment in fine filter inner chamber can be discharged to outside washing machine together along with water, thus can play the effect clean to fine filter.

The embodiment of the present invention additionally provides a kind of control method of washing machine to having circulating water filtering system, and described circulating water filtering system comprises aforesaid arbitrary filter assemblies.Described control method comprises recirculated water filtration stage.

In recirculated water filtration stage, utilize described filter assemblies to filter the laundry water in the cylindric washer 12 of washing machine, and make the product of the filtration after filtration water circulation flow back in cylindric washer 12; Wherein, the door stereoscopic window 15 of Water spray to cylindric washer 12 is produced in the filtration of filtering through described filter assemblies.Such as this recirculated water filtration stage can be washing stage or the rinse stage (particularly rinse stage) of washing machine, can utilize draining pump 22, filter assemblies and water purification loop 14 that the water pump in cylindric washer 12 is sent and looped back after filtering in cylindric washer 12 and reuse.

The embodiment of the present invention is by producing Water spray on the stereoscopic window 15 of door by filtration, except can play wash away the stereoscopic window 15 of door effect except, as much as possible filtration also can be allowed to produce on inner core and clothing that water reaches cylindric washer 12 through the stereoscopic window 15 of door, avoid in traditional water intake mode and water is directly entered the filtration that causes in urceolus and produce water and directly mix with laundry water to be filtered, thus the filter efficiency of laundry water in effective raising urceolus.

In addition, by filtration is produced Water spray on the stereoscopic window 15 of door, also the limpid filtration after component filters after filtration can be produced water and be presented in face of consumer, improve consumer to the acceptance of water-conservation washing machine, be beneficial to the extensive popularization of water-conservation washing machine, to realize using water wisely better.

In some embodiments of the invention, described control method also can comprise fill phase.Carry out when described fill phase is different from described recirculated water filtration stage, fill phase can be recirculated water filtration stage to be provided with water; Or use water for not utilizing other wash stage of filter assemblies circulating filtration to provide.

In fill phase, inject water from washing machine externally to the cylindric washer 12 of described washing machine.Aforementioned fill phase can be washings fill phase and the washings fill phase of washing machine.The external water stream filling line 11 being provided with water intaking valve 13 can be utilized to introduce in 12 cylindric washers by outside running water, to inject washing clear water or rinsing clear water in cylindric washer 12.

In some embodiments of the invention, in fill phase from described washing machine externally to the water injected cylindric washer 12, and the filtration of filtering through described filter assemblies in recirculated water filtration stage is produced current and is sprayed the stereoscopic window 15 of door to cylindric washer 12 through same spray pipeline 31.The embodiment of the present invention is sprayed on the stereoscopic window 15 of door at Different periods by same pipeline respectively by water is produced in outside water inlet and filtration, can play the effect of washing away the stereoscopic window 15 of door, and decreases pipeline setting, has saved cost.

In certain embodiments, control method of the present invention also can comprise: filter assemblies air purge stage and filter assemblies water rinses.In the filter assemblies air purge stage, air-flow is utilized to carry out air purge to described filter assemblies.In filter assemblies water rinses, after utilizing described recirculated water filtration stage to terminate, the laundry water be retained in cylindric washer 12 is washed described filter assemblies, and will wash used water discharge washing machine.When filter assemblies comprises aforesaid coarse filter 24 and fine filter 26, the control method of the embodiment of the present invention also can comprise coarse filter 24 and fine filter 26 respective air purge stage and water rinses.Wherein, after the air purge stage of coarse filter 24 and water rinses terminate, enter air purge stage and the water rinses of fine filter 26.

The coarse filter air purge stage: in this stage, draining pump 22 cuts out, check valve 34 is opened, the connection dense Pai Kou of coarse filter 24 and the port conducting (sewage draining exit being connected fine filter 26 respectively of triple valve 36 and the port shutdown of outer row pipeline 18) of outer row pipeline 18 respectively of triple valve 36.Air pump 32 is opened, and air-flow enters in the water chamber of coarse filter.Air-flow radial direction agitates filter screen, and the dirt such as the earth on filter screen, line bits is peeled off, and air-flow discharges washing machine by dense row's mouth after entering the intake antrum of coarse filter.Enter coarse filter water rinses afterwards.

Coarse filter water rinses: in this stage, check valve 34 and air pump 32 are closed, draining pump 22 starts, water in cylindric washer 12 is entered in the intake antrum of coarse filter 24 by draining pump 22, and the most of water entered in intake antrum only flows out washing machine along the flowing of filter screen outer surface and from dense row's mouth of intake antrum.In the process, the dirt be attached in coarse filter intake antrum on filter screen can be discharged to outside washing machine together along with water, thus can play the effect clean to coarse filter.At the end of coarse filter water rinses, draining pump 22 quits work.

The fine filter air purge stage: in this stage, draining pump 22 cuts out, check valve 34 is opened, the connection sewage draining exit of fine filter 26 and the port conducting (being connected the dense Pai Kou of coarse filter 24 and the port shutdown of outer row pipeline 18 respectively of triple valve 36) of outer row pipeline 18 respectively of triple valve 36.Air pump 32 is opened, and air-flow enters in the water chamber of coarse filter 24, and air-flow can enter the inner chamber of fine filter 26 from the outlet of water chamber afterwards, carries out air purge to film silk.Air-flow after air purge flows in outer row pipeline 18 through sewage draining exit and then discharges washing machine.At the end of the fine filter air purge stage, air pump 32 quits work.Enter fine filter water rinses.

Fine filter water rinses: in this stage, draining pump 22 starts, and the water in cylindric washer 12 enters in the intake antrum of coarse filter 24 by draining pump 22, enters in water chamber after strainer filtering, continue upwards to flow in the inner chamber of fine filter 26, and flow out through the sewage draining exit of fine filter 26.In the process, the dirt of the film silk surface attachment in fine filter 26 inner chamber can be discharged to outside washing machine together along with water, thus can play the effect clean to fine filter.At the end of fine filter water rinses, draining pump 22 quits work.

In other embodiments, after recirculated water filtration stage, can first circulate the coarse filter air purge stage and coarse filter water rinses of carrying out the first pre-determined number, and then fine filter air purge stage and the fine filter water rinses of the second pre-determined number are carried out in circulation.Namely after recirculated water filtration stage, carry out coarse filter air purge stage-coarse filter water rinses-coarse filter air purge stage-coarse filter water rinses ... until be circulated to the first pre-determined number; Then carry out fine filter air purge stage-fine filter water rinses-fine filter air purge stage-fine filter water rinses ... until be circulated to the second pre-determined number.

So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present utility model is illustrate and described herein detailed, but, when not departing from the utility model spirit and scope, still can directly determine or derive other modification many or amendment of meeting the utility model principle according to content disclosed in the utility model.Therefore, scope of the present utility model should be understood and regard as and cover all these other modification or amendments.

Claims (8)

1. a washing machine, is characterized in that comprising:

Filter assemblies, is configured to controllably filter the water of discharging in the cylindric washer from described washing machine; With

Water purification loop, is configured to the filtration of described filter assemblies product water circulation to return in described cylindric washer reuse; Water spray in wherein said water purification loop is to the stereoscopic window of door of described cylindric washer.

2. washing machine according to claim 1, characterized by further comprising:

External water stream filling line, is communicated with described cylindric washer, is configured to receive external water stream, and injects described cylindric washer; Wherein

Described water purification loop and described external water stream filling line are connected respectively to two water inlet ends of a multi-way pipe fitting, spray the stereoscopic window of door to described cylindric washer respectively to allow described water purification loop and the water in described external water stream filling line at Different periods via one of described multi-way pipe fitting identical water side.

3. washing machine according to claim 2, characterized by further comprising:

Spray pipeline, its spray delivery port that there is spray water inlet and be provided with spray head, wherein said spray water inlet is communicated with the described water side of described multi-way pipe fitting, described spray pipeline extends to the top of the stereoscopic window of described door through the window pad sealing ring of described washing machine from top, to spray the water from described water purification loop or external water stream filling line to the stereoscopic window of described door downwards.

4. the washing machine according to Claims 2 or 3, is characterized in that,

Described multi-way pipe fitting is three-way pipe.

5. the washing machine according to Claims 2 or 3, is characterized in that,

Bottom described filter assemblies, there is air inlet, to receive air-flow, air purge carried out to it,

Described washing machine also comprises: air pump, and being configured to provides air-flow to carry out air purge to described filter assemblies.

6. washing machine according to claim 5, is characterized in that,

Described filter assemblies comprises coarse filter and is positioned at the fine filter in described coarse filter downstream;

The water chamber of described coarse filter has air inlet, and it is as the air inlet of described filter assemblies,

The gas outlet of described air pump is communicated with the air inlet of the water chamber of described coarse filter.

7. washing machine according to claim 6, is characterized in that,

Described fine filter is hyperfiltration membrane assembly;

The entrance of the intake antrum of described coarse filter is communicated to the draining delivery side of pump of described washing machine,

The outlet of the water chamber of described coarse filter to the entrance of described fine filter, and

Dense row's mouth of the intake antrum of described coarse filter and the sewage draining exit of described fine filter are all communicated to the outer row pipeline of described washing machine.

8. washing machine according to claim 5, is characterized in that,

Described air pump is arranged on the organism soleplate of described washing machine; And

Described filter assemblies is arranged on a rear flank corner part of the organism frame of described washing machine.