CN105420989A - Washing machine and control method of washing machine with circulating water filtering system - Google Patents
Washing machine and control method of washing machine with circulating water filtering system Download PDFInfo
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- CN105420989A CN105420989A CN201410488185.5A CN201410488185A CN105420989A CN 105420989 A CN105420989 A CN 105420989A CN 201410488185 A CN201410488185 A CN 201410488185A CN 105420989 A CN105420989 A CN 105420989A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The invention provides a washing machine and a control method of a washing machine with a circulating water filtering system. The washing machine comprises a filtration assembly, a water purification circuit and a flow path on-off device, wherein the filtration assembly is arranged to conduct filtration on water drained from a washing cylinder of the washing machine in a controllable mode, the water purification circuit is arranged to make filtration production water flowing out of a water producing port of the filtration assembly recycled back to the washing cylinder to be reused, and the flow path on-off device is arranged to control on and off of the water purification circuit. According to the washing machine and the control method of the washing machine with the circulating water filtering system, due to the fact that on and off of the water purification circuit are controlled, the problem that washing water enters a fine filter of the filtration assembly to pollute a filter membrane or membrane silk of the fine filter is avoided, and reliable operation of the fine filter is guaranteed.
Description
Technical field
The present invention relates to washing machine, particularly relate to a kind of washing machine and the control method thereof 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 discharge pipe line.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.
Summary of the invention
One object of the present invention 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.Another object of the present invention to provide a kind of control method with the washing machine of circulating water filtering system.
According to one aspect of the present invention, the invention 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;
Water purification loop, the filtration product water circulation being configured to the product mouth of a river from described filter assemblies to flow out is returned in described cylindric washer and is reused; With
Stream on-off system, is configured to the break-make controlling described water purification loop.
Alternatively, described stream on-off system is configured to further: when the water of discharging during described filter assemblies is to the cylindric washer from described washing machine filters, water purification loop described in conducting.
Alternatively, described washing machine also comprises:
Air pump, be configured to provide air-flow to carry out air purge to described filter assemblies, the gas outlet of described air pump is communicated with the air inlet of described filter assemblies;
Described stream on-off system is configured to further: when described air pump provides air-flow to carry out air purge to described filter assemblies, disconnect described water purification loop.
Alternatively, described filter assemblies comprises coarse filter and is positioned at the fine filter in described coarse filter downstream, and described coarse filter and fine filter are configured to integrated component, wherein
The water chamber of described coarse filter has air inlet, and it is as the air inlet of described filter assemblies,
The entrance of the intake antrum of described coarse filter is communicated with the draining delivery side of pump of described washing machine,
The entrance of fine filter described in the outlet of the water chamber of described coarse filter, and
The outlet of described fine filter is as the product mouth of a river of described filter assemblies; And
Dense row's mouth of the intake antrum of described coarse filter is controllably communicated with the outer row pipeline of described washing machine,
Described stream on-off system is configured to further: when the laundry water in described cylindric washer is discharged described washing machine through the entrance of the intake antrum of described coarse filter and dense row's mouth successively, disconnect described water purification loop, upwards flow in described fine filter to prevent the water entered in described intake antrum.
Alternatively, described stream on-off system is configured to further: when utilizing air-flow to carry out air purge to described coarse filter, disconnects described water purification loop, all drains into described outer row pipeline via described dense row's mouth to make the air-flow described coarse filter being carried out to air purge.
Alternatively, described fine filter also has sewage draining exit, and it is controllably communicated with the outer row pipeline of described washing machine,
Described stream on-off system is configured to further:
When utilizing air-flow, air purge is carried out to described fine filter, and when disconnecting the path of the outer row pipeline of described dense row's mouth and described washing machine, disconnect described water purification loop, all drain into described outer row pipeline via described sewage draining exit to make the air-flow described fine filter being carried out to air purge.
Alternatively, described washing machine also comprises:
Electrocontrolled tee valve, it has the clean port and dense row's port that flow into for fluid, and by the discharge port of fluid outflow; Wherein
Described clean port is communicated with the sewage draining exit of described fine filter,
Described dense row's port is communicated with dense row's mouth of the intake antrum of described coarse filter,
Described discharge port is communicated with the outer row pipeline of described washing machine;
Described stream on-off system is configured to further: when described clean port and described discharge port conducting or described dense row's port and described discharge port conducting, disconnect described water purification loop.
Alternatively, described stream on-off system is configured to further: when the water of discharging during described filter assemblies is not to the cylindric washer from described washing machine filters, disconnect described water purification loop.
According to another aspect of the present invention, the invention provides a kind of control method with the washing machine of circulating water filtering system, described circulating water filtering system comprises filter assemblies, and described control method comprises:
When the water of discharging during described filter assemblies is to the cylindric washer from described washing machine filters, stream between the product mouth of a river of filter assemblies described in conducting and described cylindric washer, reuses to make the filtration product water circulation flowed out from the product mouth of a river of described filter assemblies return described cylindric washer.
Alternatively, described control method also comprises:
When the water of discharging during described filter assemblies is not to the cylindric washer from described washing machine filters, disconnect the stream between the product mouth of a river of described filter assemblies and described cylindric washer.
In washing machine of the present invention, coarse filter and the fine filter of circulating water filtering system are connected to integrated component, and it not only makes circulating water filtering system compact conformation, and attaching/detaching is convenient.
Further, the embodiment of the present invention, by controlling the break-make in water purification loop, pollutes its filter membrane or film silk, to ensure the reliability service of fine filter in the fine filter avoiding washings to enter filter assemblies.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention 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 shows the schematic block diagram of washing machine according to an embodiment of the invention;
Fig. 2 shows the indicative flowchart of the control method according to one embodiment of the invention washing machine.
Detailed description of the invention
Fig. 1 is the schematic block diagram of washing machine according to an embodiment of the invention.This washing machine can comprise cylindric washer 12, draining pump 22, water purification loop 14, stream on-off system 19 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.Cylindric washer 12 top is provided with clear water import, and it connects the mouth of a river from the beginning by pipeline 11, when opening the electromagnetic valve 13 on pipeline 11, can inject washing clear water or rinsing clear water in cylindric washer 12.The bottom of cylindric washer 12 is provided with water discharge outlet, passes through pipeline connection between water discharge outlet and filter assemblies via draining pump 22.Filter assemblies is configured to controllably filter the water of discharging from the cylindric washer 12 of described washing machine.As required, such as, in the washing procedure or rinsing program of washing machine, draining pump 22 can be utilized to be delivered in filter assemblies by the water pump in cylindric washer 12 and to filter.
The filtration product water circulation that water purification loop 14 can be configured to the product mouth of a river from described filter assemblies to flow out is returned in cylindric washer 12 and is reused.The one end in water purification loop 14 can be communicated with the product mouth of a river of filter assemblies, and the other end is communicated with cylindric washer 12.Water after filtration after component filters flows out from the product mouth of a river of filter assemblies, flows in cylindric washer 12 through water purification loop 14.Stream on-off system 19 can be configured to the break-make controlling water purification loop 14.In one embodiment, stream on-off system 19 can be electrically-controlled valve, and it can arrange on the water purification loop 14 between the filter assemblies product mouth of a river and cylindric washer 12, with the water purification loop 14 that is turned on or off.
In a preferred embodiment, stream on-off system 19 can be configured to further: when described filter assemblies filters the water of discharging from the cylindric washer 12 of described washing machine, conducting water purification loop 14.Such as, when needing the washings in cylindric washer 12 to carry out circulating filtration, stream on-off system 19 is opened with conducting water purification loop 14.Now, draining pump 22 starts, and is pumped in described filter assemblies by the washings in cylindric washer 12.Enter water in filter assemblies to flow out from the product mouth of a river after filtering, and to flow in water purification loop 14 thus to return in cylindric washer 12.
The filter assemblies of the embodiment of the present invention take screening as separation principle, effectively can reduce clothing residual wires bits, effectively can remove particulate in washings, colloid, bacterium, microorganism and macromolecule are 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.
Washing machine of the present invention also can comprise air pump 32, and being configured to provides air-flow to carry out air purge to described filter assemblies.Correspondingly, can be provided with the air inlet receiving air-flow bottom filter assemblies, 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 the fluid in filter assemblies (air-flow or current) can not be made to flow to the gas outlet of air pump 32.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.Described filter assemblies also can have the outlet of air feed gas washing stream outflow filter assembly, flows out from described outlet to make the air-flow of inflow filter assemblies.Stream on-off system 19 is configured to further: when air pump 32 provides air-flow to carry out air purge to described filter assemblies, disconnects water purification loop 14.Like this, can prevent the air-flow part entering filter assemblies from producing the mouth of a river from it and flow out, and then flow in cylindric washer 12, increase cylindric washer 12 internal gas pressure, bring potential safety hazard.By disconnecting water purification loop 14, air purge air-flow can be made all to flow out from described outlet, being conducive to ensureing air purge effect.
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 (it will be understood by those skilled in the art that " upstream " and " downstream " of the present invention is according to fluid in the direction that pipeline and corresponding component flow) being arranged in most top layer.In other embodiments of the present invention, 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 embodiments of the present invention, preferably 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 two 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, but be directly be connected between these two filters, the fluid communication namely between them does not pass through other intermediate duct (housing of such as coarse filter 24 is connected with the housing seal ground of fine filter 26).So not only make circulating water filtering system compact conformation, 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 with 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 embodiment of the present invention can comprise entrance, inner chamber and outlet, 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 outlet.The outlet of fine filter 26 can be used as the delivery port of whole filter assemblies.The outlet of fine filter 26 is communicated to cylindric washer 12 by water purification loop 14, so that the water after being filtered by fine filter 26 turns back in cylindric washer 12.
Coarse filter 24 lower end of the embodiment of the present invention 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 with the air inlet disposed adjacent of 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.Water in cylindric washer 12 can be discharged to described washing machine from its dense row's mouth without filtration via the intake antrum of coarse filter 24.Such as when the concentration of the washings in washing procedure of washing machine is higher be not suitable for using filter assemblies to carry out circulating filtration to it when, the intake antrum by coarse filter 24 discharges washing machine.Make the discharge pipe line part of washing machine be formed by the intake antrum of coarse filter 24 like this, decrease the setting of washing machine internal pipeline.In the process, the dirt be attached in coarse filter 24 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 24 simultaneously.
In the preferred embodiment of the present invention, fine filter 26 is hyperfiltration membrane assembly.By being applied in washing machine by hyperfiltration membrane assembly, circulating filtration is carried out to the washings of washing machine, particulate in washings, colloid, macromolecule organic matter and bacterium, microorganism etc. can be filtered out, with by washings purifying, recycle, thus reach the object of water saving.
Due to the series design of fine filter 26 and coarse filter 24, particularly adopt the structural design of integrated component, when the intake antrum discharge washings via coarse filter 24, under the effect of draining pump 22 pressure, washings can be entered in its water chamber by the filter screen of coarse filter 24, and compress water chamber inner air and make water chamber middle water level increase.Simultaneously under the effect of draining pump 22 pressure, portion of washing water can be additionally related to multi-functional passive entry in fine filter 26 inner chamber and carries out filtering and flow out from the product mouth of a river.In this process, the impurity in washings can build up at the filter membrane of fine filter 26 inside or film silk surface, causes blocking and the pollution problem of fine filter 26, makes it operation stability and reduces, and affect its service life.
Therefore, in the preferred embodiment of the invention, when the water in cylindric washer 12 is discharged described washing machine through the entrance of the intake antrum of coarse filter 24 and dense row's mouth, water purification loop 14 disconnects by stream on-off system 19, to form in filter assemblies inside the airtight cavity closed, the water entered in the intake antrum of coarse filter 24 can be made can not to enter fine filter 26 inner.
In the washing machine of the embodiment of the present invention, if do not arrange the stream on-off system 19 that can control its break-make on the water purification loop 14 between the product mouth of a river and cylindric washer 12 of described filter assemblies, so after the washing stage terminates to washing machine outside drain washings time, under the effect of draining pump 22 pressure, washings can be entered in its water chamber by the filter screen of coarse filter 24, and compress water chamber inner air and make water chamber middle water level increase.Simultaneously under the effect of draining pump 22 pressure, portion of washing water can be additionally related to multi-functional passive entry in fine filter 26 inner chamber and carries out filtering and flow out from the product mouth of a river.This can bring to pollute and affect assembly property to assembly and make it operation stability reduction.
The embodiment of the present invention by arranging the stream on-off system 19 that can control its break-make on water purification loop 14, and when filter assemblies carries out water purification circulating and recovering time, keep stream on-off system 19 to open, filter assemblies carries out circulating filtration and produces water.
When described filter assemblies does not filter the water in cylindric washer 12, keep stream on-off system 19 to close, to disconnect the stream between the product mouth of a river of described filter assemblies and cylindric washer 12, laundry water can be made not filter.
Further, in time discharging washings, keep stream on-off system 19 to close, can form closed airtight cavity fine filter 26 in, make washings can not enter fine filter 26 interior and filter.Thus avoid washings to enter fine filter 26 polluting its filter membrane or film silk, to ensure the reliability service of fine filter 26.
In certain embodiments, fine filter 26 also can arrange sewage draining exit, it is controllably communicated with the outer row pipeline of described washing machine, to make the fluid cleaned fine filter 26 (as the air-flow of air purge or the current of washing, for the current of washing, it filters without fine filter) discharge from sewage draining exit.Dense row's mouth of coarse filter 24 and the sewage draining exit of fine filter 26 can be used as the outlet that filter assemblies discharges air-flow.Correspondingly, in certain embodiments, when air pump 32 is to the air inlet pumping air-flow of the water chamber of coarse filter 24, by opening different outlets, described air-flow can realize carrying out air purge to coarse filter 24 and fine filter 26 respectively.
As previously mentioned, for preventing the air-flow part entering coarse filter 24 intake antrum from flowing out from the product mouth of a river of filter assemblies, and then flow in cylindric washer 12, when carrying out air purge to filter assemblies, stream on-off system 19 is configured to disconnect water purification loop 14.
Correspondingly, when utilizing air pump 32 pairs of coarse filters 24 carry out air purge or carry out air purge to fine filter 26, stream on-off system 19 is also configured to disconnect water purification loop 14.Meanwhile, in order to ensure good air purge effect, when coarse filter 24 carries out air purge, the path of the sewage draining exit of fine filter 26 and the outer row pipeline 12 of described washing machine can be disconnected; When fine filter 26 carries out air purge, disconnect the path of dense row's mouth of coarse filter 24 and the outer row pipeline 12 of described washing machine.
Further, the washing machine of the embodiment of the present invention also can comprise Electrocontrolled tee valve 36, and it has the clean port b and dense row's port a that flow into for fluid, and by the discharge port c of fluid outflow.Clean port b is communicated with the sewage draining exit of fine filter 26, and dense row's port a is communicated with dense row's mouth of the intake antrum of coarse filter 24, and discharge port c is communicated with the outer row pipeline 18 of described washing machine.Electrocontrolled tee valve 36 can be configured to turn off other ports when conducting two ports or close three ports simultaneously.When dense row's port a and the discharge port c conducting of Electrocontrolled tee valve 36, the current entering the intake antrum of coarse filter 24 or the air-flow entering its water chamber can be washed or air purge coarse filter 24 respectively; And the current of washing or the air-flow of air purge directly can drain into outer row pipeline 18 from its dense row's mouth.In addition, when dense row's port a and discharge port c conducting, the washings in cylindric washer 12 also directly can drain into outer row pipeline 18 from dense row's mouth through coarse filter intake antrum under the effect of draining pump 22.
When clean port b and the discharge port c conducting of Electrocontrolled tee valve 36, enter the current in the intake antrum of coarse filter 24 or the air-flow entered in coarse filter 24 water chamber can enter in fine filter 26 through the outlet of coarse filter 24, to wash or air purge fine filter 26; And the fluid of washing or air purge directly can drain into outer row pipeline 18 from the sewage draining exit of fine filter 26.
During for preventing from washing respectively coarse filter 24 and fine filter 26, the current of washing enter the inner passive filtration of fine filter 26, also when washing coarse filter 24 or when washing fine filter 26, can disconnect water purification loop 14.
Seen from the above description, for the washing machine of the embodiment of the present invention, when dense row's port a and discharge port c conducting, its corresponding three kinds of situations: i.e. air purge coarse filter 24, washing coarse filter 24 and the washings of discharging in cylindric washer 12.For these three kinds of situations, all direct dense row's mouth from coarse filter 24 of fluid entered in coarse filter 24 is discharged, and the fluid all undesirably entered in coarse filter 24 flows in fine filter 26.Therefore, stream on-off system 19 can be configured to further: when dense row's port a and discharge port c conducting, disconnects water purification loop 14.
Further, when clean port b and discharge port c conducting, its corresponding two kinds of situations: i.e. air purge fine filter 26 and washing fine filter 26.For both of these case, the fluid entered in coarse filter 24 all enters in fine filter 26, and directly discharge from the sewage draining exit of fine filter 26, and the fluid all undesirably entering fine filter 26 flows out through the outlet (i.e. the product mouth of a river of filter assemblies) of fine filter 26.Therefore, stream on-off system 19 can be configured to further: when clean port b and discharge port c conducting, disconnects water purification loop 14.
The embodiment of the present invention additionally provides a kind of control method of washing machine to having circulating water filtering system, and wherein said circulating water filtering system comprises the filter assemblies of aforementioned any embodiment.Described control method comprises: when described filter assemblies filters the water of discharging from the cylindric washer 12 of described washing machine, stream between the product mouth of a river of filter assemblies described in conducting and cylindric washer 12, reuses to make the filtration product water circulation flowed out from the product mouth of a river of described filter assemblies return cylindric washer 12.
In certain embodiments, filter assemblies has air inlet, and control method of the present invention also can comprise: when utilizing air-flow to carry out air purge to filter assemblies, disconnects the stream between the product mouth of a river of described filter assemblies and cylindric washer 12.Produce the mouth of a river to prevent the air-flow part entering filter assemblies from it to flow out, and then flow in cylindric washer 12, increase cylindric washer 12 internal gas pressure, bring potential safety hazard; Meanwhile, by disconnecting the stream between the product mouth of a river of described filter assemblies and cylindric washer 12, air purge air-flow can be made all to flow out from described outlet, being conducive to ensureing air purge effect.
In certain embodiments, described filter assemblies comprises coarse filter 24 and is positioned at the fine filter 26 in coarse filter 24 downstream, and wherein, coarse filter 24 and fine filter 26 are configured to aforesaid integrated component.The water chamber of coarse filter 24 has air inlet, it is as the air inlet of described filter assemblies, and the entrance of the intake antrum of coarse filter 24 is communicated to the outlet of the draining pump 22 of described washing machine, the outlet of the water chamber of coarse filter 24 is to the entrance of fine filter 26, and the outlet of fine filter 26 is as the product mouth of a river of described filter assemblies; And dense row's mouth of the intake antrum of coarse filter 24 is controllably such as communicated with the outer row pipeline 18 of described washing machine by electrically-controlled valve.The control method of the embodiment of the present invention also can comprise: when the laundry water in cylindric washer 12 is discharged described washing machine through the entrance of the intake antrum of coarse filter 24, dense Pai Kou and outer row pipeline 18 successively, disconnect the stream between the product mouth of a river of described filter assemblies and described cylindric washer 12, upwards flow in fine filter 26 to prevent the water entered in described intake antrum, cause blocking and the pollution problem of fine filter 26, make it operation stability to reduce, and affect its service life.
In the washing machine of the embodiment of the present invention, if do not arrange the stream on-off system 19 that can control its break-make on the stream between the product mouth of a river and cylindric washer 12 of described filter assemblies, so after the washing stage terminates to washing machine outside drain washings time, under the effect of draining pump 22 pressure, washings can be entered in its water chamber by the filter screen of coarse filter 24, and compress water chamber inner air and make water chamber middle water level increase.Simultaneously under the effect of draining pump 22 pressure, portion of washing water can be additionally related to multi-functional passive entry in fine filter 26 inner chamber and carries out filtering and flow out from the product mouth of a river.This can bring to pollute and affect assembly property to assembly and make it operation stability reduction.
The embodiment of the present invention by arranging the stream on-off system 19 that can control its break-make on the stream between the product mouth of a river and cylindric washer 12 of described filter assemblies, when filter assemblies carries out water purification circulating and recovering time, keep stream on-off system 19 to open, filter assemblies carries out filtration and produces water circulation use.
When described filter assemblies does not filter the water in cylindric washer 12, keep stream on-off system 19 to close, to disconnect the stream between the product mouth of a river of described filter assemblies and described cylindric washer, laundry water can be made not to be filtered.
Further, in time discharging washings, keep stream on-off system 19 to close, can form closed airtight cavity fine filter 26 in, make washings can not enter fine filter 26 interior and filter.Thus avoid washings to enter fine filter 26 polluting its filter membrane or film silk, to ensure the reliability service of fine filter 26.
In certain embodiments, control method of the present invention also can comprise when utilizing air-flow to carry out air purge to coarse filter 24, disconnect the stream between the product mouth of a river of described filter assemblies and cylindric washer 12, all drain into outer row pipeline 18 via described dense row's mouth to make air-flow coarse filter 24 being carried out to air purge.
In a further embodiment, fine filter 26 also has sewage draining exit, it is controllably such as communicated with the outer row pipeline 18 of described washing machine by electrically-controlled valve, control method of the present invention also can comprise: when utilizing air-flow to carry out air purge to coarse filter 24, disconnect the stream between the product mouth of a river of described filter assemblies and cylindric washer 12, and disconnect the path of the sewage draining exit of fine filter 26 and the outer row pipeline 18 of described washing machine, all drain into described outer row pipeline 18 via dense row's mouth of coarse filter 24 to make air-flow coarse filter 24 being carried out to air purge.
Correspondingly, the control method of the embodiment of the present invention also can comprise: when utilizing air-flow to carry out air purge to fine filter 26, disconnect the stream between the product mouth of a river of described filter assemblies and cylindric washer 12, and disconnect the path of dense row's mouth of coarse filter 24 and the outer row pipeline 18 of described washing machine, all drain into described outer row pipeline 18 via the sewage draining exit of fine filter 26 to make air-flow fine filter 26 being carried out to air purge.
In some embodiments of the invention, described control method also can comprise when described filter assemblies does not filter the water of discharging from the cylindric washer 12 of described washing machine, disconnects the stream between the product mouth of a river of described filter assemblies and cylindric washer 12.
Fig. 2 shows the indicative flowchart of the control method of washing machine according to an embodiment of the invention.See Fig. 2, the control method of the embodiment of the present invention realizes by the step S202 to step S208 performed after opening washing machine.In this embodiment, during washing machine start, acquiescence disconnects the stream between the product mouth of a river of filter assemblies and cylindric washer 12.In other embodiments, the stream between the product mouth of a river of conducting filter assemblies and cylindric washer 12 also can be given tacit consent to when washing machine is started shooting.
Step S202, judges whether draining pump 22 starts.If not, then step S204 is performed.
Step S204, remains open the stream between the product mouth of a river of filter assemblies and cylindric washer 12.
If the judged result of step S202 is "Yes", then perform step S206.
Step S206, continues to judge whether dense row's mouth of coarse filter 24 or the sewage draining exit of fine filter 26 are communicated with outer row pipeline 18.When judged result is "Yes", namely the dense Pai Kou of coarse filter 24 is communicated with outer row pipeline 18, or the sewage draining exit of fine filter 26 is communicated with outer row pipeline 18.So when draining pump 22 starts, if the dense Pai Kou of coarse filter 24 is communicated with outer row pipeline 18, then show to wash coarse filter 24, or utilize coarse filter 24 that the washings (also may be washings) in cylindric washer 12 are discharged washing machine; If the sewage draining exit of fine filter 26 is communicated with outer row pipeline 18, then show to wash fine filter 26.For preventing the water entered in the intake antrum of coarse filter 24 from flowing in fine filter 26, performing step S204 when the judged result of step S206 is "Yes", remain open the stream between the product mouth of a river of filter assemblies and cylindric washer 12.
When the judged result of step S206 is "No", namely the dense Pai Kou of coarse filter 24 is not communicated with outer row pipeline 18, and the sewage draining exit of fine filter 26 is not communicated with outer row pipeline 18, show that the water of draining pump 22 pumping does not discharge washing machine, mean that filter assemblies filters to the water of discharging from the cylindric washer 12 of described washing machine.Therefore, perform step S208, the stream between the product mouth of a river of conducting filter assemblies and cylindric washer 12, reuse to make the filtration product water circulation flowed out from the product mouth of a river of described filter assemblies return cylindric washer 12.
In substituting embodiment, also after unlatching washing machine, first can perform step S206, judge whether dense row's mouth of coarse filter 24 or the sewage draining exit of fine filter 26 are communicated with outer row pipeline 18.If the judged result of step S206 is "Yes", performs step S204, remain open the stream between the product mouth of a river of filter assemblies and cylindric washer 12; Otherwise, perform step S202, continue to judge whether draining pump 22 starts.If the judged result of step S202 is "Yes", then perform step S208, the stream between the product mouth of a river of conducting filter assemblies and cylindric washer 12, otherwise, perform step S204, remain open the stream between the product mouth of a river of filter assemblies and cylindric washer 12.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
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;
Water purification loop, the filtration product water circulation being configured to the product mouth of a river from described filter assemblies to flow out is returned in described cylindric washer and is reused; With
Stream on-off system, is configured to the break-make controlling described water purification loop.
2. washing machine according to claim 1, is characterized in that,
Described stream on-off system is configured to further: when the water of discharging during described filter assemblies is to the cylindric washer from described washing machine filters, water purification loop described in conducting.
3. washing machine according to claim 1 and 2, characterized by further comprising:
Air pump, be configured to provide air-flow to carry out air purge to described filter assemblies, the gas outlet of described air pump is communicated with the air inlet of described filter assemblies;
Described stream on-off system is configured to further: when described air pump provides air-flow to carry out air purge to described filter assemblies, disconnect described water purification loop.
4. washing machine according to claim 3, is characterized in that,
Described filter assemblies comprises coarse filter and is positioned at the fine filter in described coarse filter downstream, and described coarse filter and fine filter are configured to integrated component, wherein
The water chamber of described coarse filter has air inlet, and it is as the air inlet of described filter assemblies,
The entrance of the intake antrum of described coarse filter is communicated with the draining delivery side of pump of described washing machine,
The entrance of fine filter described in the outlet of the water chamber of described coarse filter, and
The outlet of described fine filter is as the product mouth of a river of described filter assemblies; And
Dense row's mouth of the intake antrum of described coarse filter is controllably communicated with the outer row pipeline of described washing machine,
Described stream on-off system is configured to further: when the laundry water in described cylindric washer is discharged described washing machine through the entrance of the intake antrum of described coarse filter and dense row's mouth successively, disconnect described water purification loop, upwards flow in described fine filter to prevent the water entered in described intake antrum.
5. washing machine according to claim 4, is characterized in that,
Described stream on-off system is configured to further: when utilizing air-flow to carry out air purge to described coarse filter, disconnects described water purification loop, all drains into described outer row pipeline via described dense row's mouth to make the air-flow described coarse filter being carried out to air purge.
6. washing machine according to claim 4, is characterized in that,
Described fine filter also has sewage draining exit, and it is controllably communicated with the outer row pipeline of described washing machine,
Described stream on-off system is configured to further:
When utilizing air-flow, air purge is carried out to described fine filter, and when disconnecting the path of the outer row pipeline of described dense row's mouth and described washing machine, disconnect described water purification loop, all drain into described outer row pipeline via described sewage draining exit to make the air-flow described fine filter being carried out to air purge.
7. washing machine according to claim 6, characterized by further comprising:
Electrocontrolled tee valve, it has the clean port and dense row's port that flow into for fluid, and by the discharge port of fluid outflow; Wherein
Described clean port is communicated with the sewage draining exit of described fine filter,
Described dense row's port is communicated with dense row's mouth of the intake antrum of described coarse filter,
Described discharge port is communicated with the outer row pipeline of described washing machine;
Described stream on-off system is configured to further: when described clean port and described discharge port conducting or described dense row's port and described discharge port conducting, disconnect described water purification loop.
8. washing machine according to claim 1, is characterized in that,
Described stream on-off system is configured to further: when the water of discharging during described filter assemblies is not to the cylindric washer from described washing machine filters, disconnect described water purification loop.
9. have a control method for the washing machine of circulating water filtering system, described circulating water filtering system comprises filter assemblies, it is characterized in that, described control method comprises:
When the water of discharging during described filter assemblies is to the cylindric washer from described washing machine filters, stream between the product mouth of a river of filter assemblies described in conducting and described cylindric washer, reuses to make the filtration product water circulation flowed out from the product mouth of a river of described filter assemblies return described cylindric washer.
10. control method according to claim 9, characterized by further comprising:
When the water of discharging during described filter assemblies is not to the cylindric washer from described washing machine filters, disconnect the stream between the product mouth of a river of described filter assemblies and described cylindric washer.
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| CN105420989B (en) | 2023-04-25 |
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Effective date of registration: 20230412 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Road, Laoshan District, Qingdao, Qingdao, Shandong Province, No. 1 Applicant before: QINGDAO HAIER SMART TECHNOLOGY R&D Co.,Ltd. |