CN108330652A - A kind of drainage system and water discharge method of washing machine - Google Patents
A kind of drainage system and water discharge method of washing machine Download PDFInfo
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- CN108330652A CN108330652A CN201710037237.0A CN201710037237A CN108330652A CN 108330652 A CN108330652 A CN 108330652A CN 201710037237 A CN201710037237 A CN 201710037237A CN 108330652 A CN108330652 A CN 108330652A
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- pump
- main drain
- drain pump
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- water level
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
- D06F39/085—Arrangements or adaptations of pumps
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/087—Water level measuring or regulating devices
-
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The present invention provides a kind of drainage system of washing machine and water discharge methods, the drainage system includes main drain pump, the auxiliary draining pump being connected with the main drain pump, the connecting tube being arranged between water tub of washing machine and main drain pump, the volume of the main drain pump is more than the volume of the auxiliary draining pump, when washings cannot be full of the chamber of the main drain pump, the main drain pump is closed, and is drained using auxiliary draining pump.In this way with the progress of draining, when water is smaller, the chamber of the main drain pump cannot be specifically full of in washings, namely air is entered in main drain pump, larger noise is will produce as main drain pump continues draining, main drain pump is controlled at this time and stops, reducing drainage noise；It is drained using the auxiliary draining pump of small volume, washings is continued to be discharged；Small due to auxiliary draining pump, the last remaining water that cannot be discharged is less, advantageously reduces remaining water.
Description
Technical field
The invention belongs to washing machine technology fields, and in particular to a kind of drainage system and water discharge method of washing machine.
Background technology
According to the difference of drainage pattern, washing machine is divided into draining and lower two kinds of draining, wherein upper drain washing machine is profit
The water in steel ladle is discharged to outside machine with draining pump.
For the washing machine of upper draining, in drainage procedure early period, the water in steel ladle is more, pump in water it is sufficient, will not
There is air to be inhaled into draining pump, the noise for draining generation at this time is smaller；And the drainage procedure later stage, interior discharge reduction is pumped, is had
Air is inhaled into draining pump, the case where air and water mixing discharge occurs, and the noise caused by draining can significantly increase at this time,
And after generally water level reaches a certain level in water pump, it cannot continue to be discharged, some final water remains in draining system
In system, it is easy to grow bacterium.
In addition, nearly all upper drain washing machine all uses the drainage system of a draining pump, to the row of a draining pump
Water system, when draining pump breaks down, the water in steel ladle can not be discharged, and will directly affect the use of user.
Invention content
The present invention is directed to the above-mentioned problems in the prior art, provides a kind of drainage system of washing machine, reduces draining
Noise reduces remaining water.
To reach above-mentioned technical purpose, the present invention is realized using following technical scheme：
A kind of drainage system of washing machine, including main drain pump, be connected with the main drain pump auxiliary draining pump, setting washing
Connecting tube between clothing machine steel ladle and main drain pump, the volume of the main drain pump are more than the volume of the auxiliary draining pump, when
When washings cannot be full of the chamber of the main drain pump, the main drain pump is closed, and is drained using auxiliary draining pump.
Further, it is equipped between the main drain pump and auxiliary draining pump and controls its control valve for being connected to or being spaced.
Further, the bottom surface of the main drain pump and the bottom surface of auxiliary draining pump are located in the same horizontal plane.
Further, the bottom surface of the main drain pump is higher than the bottom surface of auxiliary draining pump.
Further, the main drain pump and auxiliary draining pump are located at the low side of the drainage system of washing machine.
Further, further include the drainpipe for being connected and stretching out washing machine with main drain pump, auxiliary draining pump respectively.
Further, it was connected with for the first communicating pipe between the main drain pump and drainpipe.
Further, it was connected with for the second communicating pipe between the auxiliary draining pump and drainpipe.
Further, the liquid outlet of the main drain pump is connected with the main drainpipe for stretching out washing machine, the auxiliary draining pump
Liquid outlet be connected with the auxiliary drainpipe for stretching out washing machine, the caliber of the main drainpipe is more than the caliber of the auxiliary drainpipe.
Further, the main drainpipe is arranged side by side with auxiliary drainpipe.
Further, the auxiliary drainpipe is located inside the main drainpipe.
Based on the drainage system of above-mentioned washing machine, the present invention also provides a kind of water discharge method of above-mentioned drainage system, drops
Low drainage noise reduces remaining water.
A kind of water discharge method of the drainage system of above-mentioned washing machine, the main drain pump is equipped with water level sensor, described
Water discharge method includes the following steps：
After S1, washing machine enter bleeding stage, starts main drain pump and drained；
S2, the progress with draining, as first water level H1 of the value of feedback of water level sensor less than setting, the main drain pump
Stop, the first water level H1 is the critical groundwater table that washings are full of main drain pump chamber；
S3, washing machine enters the water smoking later, according to the value of feedback of water level sensor, when the value of feedback of water level sensor is higher than
When the first water level H1 of setting, the main drain pump startup continues to drain；And in the value of feedback of water level sensor less than setting
When the first water level H1, the main drain pump stops, and is drained using the auxiliary draining pump；
S4, the value of feedback according to water level sensor, it is described as second water level H2 of the value of feedback of water level sensor less than setting
Auxiliary draining pump stops, and draining terminates；The second water level H2 is critical groundwater table of the washings full of auxiliary draining pump chambers.
Further, the auxiliary draining pump in step sl, starts simultaneously with the main drain pump.
Further, in step s3, the main drain pump starts the auxiliary draining pump when stopping.
Further, in step s 2, the main drain pump starts the auxiliary draining pump when stopping.
The drainage system of washing machine provided by the invention, by the way that main drain pump is arranged and is connected with the main drain pump
Logical auxiliary draining pump, the volume of the main drain pump are more than the volume of the auxiliary draining pump, and cannot be full of in washings described
When the chamber of main drain pump, the main drain pump is closed, and is drained using auxiliary draining pump；In this way with the progress of draining,
When water is smaller, specifically it cannot be full of the chamber of the main drain pump in washings, that is, air is entered in main drain pump,
Larger noise is will produce as main drain pump continues draining, main drain pump is controlled at this time and stops, reducing drainage noise；Utilize volume
Smaller auxiliary draining pump is drained, and washings are continued to be discharged；Small due to auxiliary draining pump, last remaining cannot arrange
The water gone out is less, advantageously reduces remaining water.
After the specific implementation mode of the present invention is read in conjunction with the figure, the other features and advantages of the invention will become more clear
Chu.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the drainage system of washing machine proposed by the invention；
Fig. 2 is the enlarged structure schematic diagram of part-structure in Fig. 1；
Fig. 3 is the enlarged structure schematic diagram of main drain pump and auxiliary draining pump in Fig. 1；
Fig. 4 is the structural schematic diagram of second embodiment of the drainage system of washing machine proposed by the invention；
Fig. 5 is the enlarged structure schematic diagram of part-structure in Fig. 4.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described.
In the description of the present invention, it should be noted that the side of the instructions such as term "inner", "upper", "lower", "left", "right"
Position or position relationship are position relationship based on ... shown in the drawings, are merely for convenience of description of the present invention and simplification of the description, rather than
Indicate or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as limitation of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
One, embodiment 1
It is one embodiment of the drainage system of washing machine proposed by the invention, the draining system of washing machine referring to Fig. 1-Fig. 3
System includes main drain pump 1, the auxiliary draining pump 2 being connected with main drain pump 1, be arranged water tub of washing machine 3 and main drain pump 1 it
Between connecting tube 4；Wherein, the volume of main drain pump 1 is more than the volume of auxiliary draining pump 2, in drainage procedure, when washings cannot
When chamber full of main drain pump 1, main drain pump 1 is closed, and is drained using auxiliary draining pump 2；In this way with the progress of draining,
When water is smaller, specifically, in washings the chamber of main drain pump 1 cannot be full of, that is, sky is entered in main drain pump 1
Gas will produce larger noise as main drain pump 1 continues draining, control main drain pump 1 at this time and stop, reducing drainage noise；Profit
It is drained with the auxiliary draining pump 2 of small volume, washings is continued to be discharged；Due to small, the last remnants of auxiliary draining pump 2
The water that cannot be discharged it is less, advantageously reduce remaining water.
In the present embodiment, the washings in steel ladle 3 are entered by connecting tube 4 in the chamber of main drain pump 1, main drain pump
1 downside is connected with auxiliary draining pump 2, is conducive to 1 washed water of main drain pump and enters in the chamber of auxiliary draining pump 2.
Shown in Figure 1, the present embodiment is upper drain washing machine, and main drain pump 1 and auxiliary draining pump 2 are located at the row of washing machine
The low side of water system further includes the drainpipe 5 for being connected and stretching out washing machine with main drain pump 1, auxiliary draining pump 2 respectively.Also
That washings in steel ladle 3 are flowed downwardly by connecting tube 4 in the chamber of main drain pump 1, later by main drain pump 1 and/
Or auxiliary draining pump 2 pumps up washings, after 5 high point of drainpipe, flows downward discharge along drainpipe 5.
Shown in Figure 2 in the present embodiment, main drain pump 1 and auxiliary draining pump 2 are connected with drainpipe 5, specifically,
It was connected with for the first communicating pipe 51 between main drain pump 1 and drainpipe 5, the second company is connected between auxiliary draining pump 2 and drainpipe 5
Siphunculus 52, the first communicating pipe 51, the second communicating pipe 52 and drainpipe 5 are connected by threeway or triple valve.1 He of main drain pump
The washings of the pumping discharge of auxiliary draining pump 2 are conducive to the simplification of structure, reduce cost so by drainpipe 5.
In the present embodiment, bottom surface and the bottom surface of auxiliary draining pump 2 that main drain pump 1 is arranged are located in the same horizontal plane, favorably
It is fixed in the installation of main drain pump 1 and auxiliary draining pump 2, increases the stability of structure.In other embodiments, main row can be set
The bottom surface of water pump 1 is higher than the bottom surface of auxiliary draining pump 2, and the washings in such main drain pump 1 are as much as possible to be discharged to auxiliary draining pump 2
In, advantageously reduce the residual of water.
It is shown in Figure 3 in the present embodiment, water level sensor 6 is equipped on main drain pump 1, for measuring main drain pump 1
Interior water level, and main drain pump 1 and auxiliary draining pump 2 are controlled according to the value of feedback of water level sensor 6, to reduce due to washings not
It can be mixed into the larger problem of noise caused by air full of the chamber of pump.
1, first water discharge method
First water discharge method of the present embodiment, is as follows：
After S1, washing machine enter bleeding stage, while starting main drain pump 1 and auxiliary draining pump 2 is drained.
Specifically, the washings in steel ladle 3 are entered by connecting tube 4 in the chamber of main drain pump 1, and enter auxiliary draining
In the chamber of pump 2, by startup main drain pump 1 and auxiliary draining pump 2, the washings into main drain pump 1 and auxiliary draining pump 2,
It is pumped and is discharged by drainpipe 5.
Discharge reduction is washed in S2, the progress with draining, when the value of feedback of water level sensor 6 is less than the first water set
When the H1 of position, main drain pump 1 stops, wherein the first water level H1 is the critical groundwater table that washings are full of 1 chamber of main drain pump.
Specifically exist, into the indoor washings of chamber of main drain pump 1, when cannot be full of the chamber of main drain pump 1, water level passes
The value of feedback of sensor 6 stops less than the first water level H1 of setting, at this time main drain pump 1, reduces the noise that main drain pump 1 drains；
Auxiliary draining pump 2 works on draining at this time.
S3, washing machine enters the water smoking later, according to the value of feedback of water level sensor, when the feedback of water level sensor 6
When value is higher than the first water level H1 set, the startup of main drain pump 1 continues to drain；And it is less than in the value of feedback of water level sensor 6 and sets
When fixed first water level H1, main drain pump 1 stops, and is drained using auxiliary draining pump 2.
Specifically, water smoking washing tube high speed rotation, the moisture in clothing is thrown away so that flow into main drain pump 1
The indoor washings of chamber increase, and since auxiliary draining pump 2 is smaller, drainage speed is small；Especially in the washing tube raising speed rank for entering dehydration
Section, has a large amount of water and is thrown out of, and cannot be only discharged in time using auxiliary draining pump 2；It is arranged when the value of feedback of water level sensor 6 is high
When the first water level H1 of setting, the startup of main drain pump 1 continues to drain；And in the value of feedback of water level sensor 6 less than setting
When the first water level H1, main drain pump 1 stops, and is drained using auxiliary draining pump 2.
S4, according to the value of feedback of water level sensor 6, when water level sensor 6 value of feedback less than setting the second water level H2
When, the auxiliary draining pump stops, and draining terminates；Second water level H2 is the critical groundwater table that washings are full of 2 chamber of auxiliary draining pump.
Specifically, when the value of feedback of water level sensor 6 is less than the second water level H2 set, that is, washings cannot fill
When the chamber of full auxiliary draining pump 2, auxiliary draining pump 2 stops, and reduces drainage noise, and draining terminates.
2, second water discharge method
Second water discharge method of the present embodiment, is, auxiliary draining pump 2 is in step S2 with the main distinction of first water discharge method
Middle main drain pump 1 starts when stopping.
It is as follows：
After S1, washing machine enter bleeding stage, starts main drain pump 1 and drained.
Specifically, the washings in steel ladle 3 are entered by connecting tube 4 in the chamber of main drain pump 1, it is led by starting
Draining pump 1 will enter the washings in main drain pump 1, be pumped and be discharged by drainpipe 5.
Discharge reduction is washed in S2, the progress with draining, when the value of feedback of water level sensor 6 is less than the first water set
When the H1 of position, main drain pump 1 stops, and auxiliary draining pump 2 starts；Wherein the first water level H1 is washings full of 1 chamber of main drain pump
Critical groundwater table.
Specifically exist, into the indoor washings of chamber of main drain pump 1, when cannot be full of the chamber of main drain pump 1, water level passes
The value of feedback of sensor 6 stops less than the first water level H1 of setting, at this time main drain pump 1, reduces the noise that main drain pump 1 drains；
Auxiliary draining pump 2 starts at this time, and washings are entered by main drain pump 1 in the chamber of auxiliary draining pump 2, and is pumped by auxiliary draining pump 2
Send discharge.
S3, washing machine enters the water smoking later, according to the value of feedback of water level sensor, when the feedback of water level sensor 6
When value is higher than the first water level H1 set, the startup of main drain pump 1 continues to drain；And it is less than in the value of feedback of water level sensor 6 and sets
When fixed first water level H1, main drain pump 1 stops, and is drained using auxiliary draining pump 2.
Specifically, water smoking washing tube high speed rotation, the moisture in clothing is thrown away so that flow into main drain pump 1
The indoor washings of chamber increase, and since auxiliary draining pump 2 is smaller, drainage speed is small；Especially in the washing tube raising speed rank for entering dehydration
Section, has a large amount of water and is thrown out of, and cannot be only discharged in time using auxiliary draining pump 2；It is arranged when the value of feedback of water level sensor 6 is high
When the first water level H1 of setting, the startup of main drain pump 1 continues to drain；And in the value of feedback of water level sensor 6 less than setting
When the first water level H1, main drain pump 1 stops, and is drained using auxiliary draining pump 2.
S4, according to the value of feedback of water level sensor 6, when water level sensor 6 value of feedback less than setting the second water level H2
When, the auxiliary draining pump stops, and draining terminates；Second water level H2 is the critical groundwater table that washings are full of 2 chamber of auxiliary draining pump.
Specifically, when the value of feedback of water level sensor 6 is less than the second water level H2 set, that is, washings cannot fill
When the chamber of full auxiliary draining pump 2, auxiliary draining pump 2 stops, and reduces drainage noise, and draining terminates.
3, third water discharge method
The third water discharge method of the present embodiment is, auxiliary draining pump 2 is in step S3 with the main distinction of first water discharge method
Middle main drain pump 1 starts when stopping.
It is as follows：
After S1, washing machine enter bleeding stage, starts main drain pump 1 and drained.
Specifically, the washings in steel ladle 3 are entered by connecting tube 4 in the chamber of main drain pump 1, it is led by starting
Draining pump 1 will enter the washings in main drain pump 1, be pumped and be discharged by drainpipe 5.
Discharge reduction is washed in S2, the progress with draining, when the value of feedback of water level sensor 6 is less than the first water set
When the H1 of position, main drain pump 1 stops；Wherein the first water level H1 is the critical groundwater table that washings are full of 1 chamber of main drain pump.
Specifically exist, into the indoor washings of chamber of main drain pump 1, when cannot be full of the chamber of main drain pump 1, water level passes
The value of feedback of sensor 6 stops less than the first water level H1 of setting, at this time main drain pump 1, reduces the noise that main drain pump 1 drains.
S3, washing machine enters the water smoking later, according to the value of feedback of water level sensor, when the feedback of water level sensor 6
When value is higher than the first water level H1 set, the startup of main drain pump 1 continues to drain；And it is less than in the value of feedback of water level sensor 6 and sets
When fixed first water level H1, main drain pump 1 stops, and auxiliary draining pump 2 starts, and is drained using auxiliary draining pump 2.
Specifically, water smoking washing tube high speed rotation, the moisture in clothing is thrown away so that flow into main drain pump 1
The indoor washings of chamber increase, and are arranged as first water level H1 of the value of feedback of water level sensor 6 higher than setting, main drain pump 1
Startup continues to drain；And in first water level H1 of the value of feedback of water level sensor 6 less than setting, main drain pump 1 stops, at this time
Auxiliary draining pump 2 starts, and washings are entered by main drain pump 1 in the chamber of auxiliary draining pump 2, and is pumped and arranged by auxiliary draining pump 2
Go out.
S4, according to the value of feedback of water level sensor 6, when water level sensor 6 value of feedback less than setting the second water level H2
When, the auxiliary draining pump stops, and draining terminates；Second water level H2 is the critical groundwater table that washings are full of 2 chamber of auxiliary draining pump.
Specifically, when the value of feedback of water level sensor 6 is less than the second water level H2 set, that is, washings cannot fill
When the chamber of full auxiliary draining pump 2, auxiliary draining pump 2 stops, and reduces drainage noise, and draining terminates.
Two, embodiment 2
It is second embodiment of the drainage system of washing machine proposed by the invention, the present embodiment and first referring to Fig. 4-Fig. 5
The main distinction of a embodiment is：Equipped with main and auxiliary two drainpipes, other structures may be used identical with first implementation
Structure.
The drainage system of main washing machine includes main drain pump 1, the auxiliary draining pump 2 being connected with main drain pump 1, is arranged and is washing
Connecting tube 4 between clothing machine steel ladle 3 and main drain pump 1；Wherein, the volume of main drain pump 1 is more than the volume of auxiliary draining pump 2,
In drainage procedure, when washings cannot be full of main drain pump 1 chamber when, main drain pump 1 close, using auxiliary draining pump 2 into
Row draining；In this way with the progress of draining, when water is smaller, specifically, the chamber of main drain pump 1 cannot be full of in washings
Air is entered in room, that is, main drain pump 1, will produce larger noise as main drain pump 1 continues draining, at this time control master
Draining pump 1 stops, and reduces drainage noise；It is drained using the auxiliary draining pump 2 of small volume, washings is continued to be discharged；By
In the small of auxiliary draining pump 2, the last remaining water that cannot be discharged is less, advantageously reduces remaining water.
Shown in Figure 5 in the present embodiment, the liquid outlet of main drain pump 1 is connected with the main drainpipe 7 for stretching out washing machine,
The liquid outlet of auxiliary draining pump 2 is connected with the auxiliary drainpipe 8 for stretching out washing machine, and the caliber of setting main drainpipe 7 is more than auxiliary drainpipe 8
Caliber.By the way that corresponding drainpipe is respectively set for main drain pump 1 and auxiliary draining pump 2, be conducive to the caliber that drainpipe is set
Match with draining pump, increases drainability；And since the caliber of auxiliary drainpipe 8 is less than main drainpipe 7, latter stage is being drained,
In auxiliary drainpipe 8 from auxiliary draining pump 2 to the high point of auxiliary drainpipe 8 water cannot be discharged, be conducive to be further reduced in this way
The residual of water.
In the present embodiment, it is equipped between main drain pump 1 and auxiliary draining pump 2 and controls its control valve for being connected to or being spaced, control
The unlatching of valve processed and the unlatching synchronous control of auxiliary draining pump 2 or slightly delays time to control, that is, auxiliary draining pump 2 and control valve it is same
Step is opened, or opens control valve in advance before auxiliary drain valve 2 is opened, and is more advantageous to the residual for reducing water, reduces noise.
Main drainpipe 7 and auxiliary drainpipe 8 can be arranged side by side, also in setting for main drainpipe 7 and auxiliary drainpipe 8
It is that main drainpipe 7 is linked together with auxiliary drainpipe 8 by pipe clamp etc..Or the auxiliary drainpipe 8 of setting is located in main drainpipe 7
Portion is conducive to the beauty for increasing appearance, and can shorten the length of auxiliary drainpipe 8 in this way, and auxiliary drainpipe 8 is more than main draining
The peak of pipe 7 can, reduce the dosage of auxiliary drainpipe 8, reduce cost；And since main drainpipe 7 is after having crossed peak
Auxiliary drainpipe 8 does not re-extend so that when main drain pump 1 drains, washings can be accommodated after having crossed peak in main drainpipe 7
Sectional area increases, and is conducive to the downward discharge of washings；And auxiliary draining pump 2 is drained by auxiliary drainpipe 8, enters main row later
Water pipe 7 flows downward, and is also beneficial to the discharge of the washings of auxiliary draining pump 2.
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, according to the technical essence of the invention to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (10)
1. a kind of drainage system of washing machine, which is characterized in that the auxiliary row being connected including main drain pump, with the main drain pump
The volume of water pump, the connecting tube being arranged between water tub of washing machine and main drain pump, the main drain pump is more than the auxiliary row
The volume of water pump, when washings cannot be full of the chamber of the main drain pump, the main drain pump is closed, and auxiliary draining pump is utilized
It is drained.
2. drainage system according to claim 1, which is characterized in that be equipped with control between the main drain pump and auxiliary draining pump
Make the control valve at its connection or interval.
3. drainage system according to claim 1, which is characterized in that the bottom of the bottom surface of the main drain pump and auxiliary draining pump
Face is located in the same horizontal plane.
4. drainage system according to claim 1, which is characterized in that the bottom surface of the main drain pump is higher than auxiliary draining pump
Bottom surface.
5. drainage system according to any one of claims 1 to 4, which is characterized in that further include respectively with main drain pump, auxiliary
Draining pump is connected and stretches out the drainpipe of washing machine.
6. drainage system according to any one of claims 1 to 4, which is characterized in that the liquid outlet of the main drain pump connects
It is connected to the main drainpipe for stretching out washing machine, the liquid outlet of the auxiliary draining pump is connected with the auxiliary drainpipe for stretching out washing machine, described
The caliber of main drainpipe is more than the caliber of the auxiliary drainpipe.
7. drainage system according to claim 6, which is characterized in that the main drainpipe is arranged side by side with auxiliary drainpipe.
8. drainage system according to claim 6, which is characterized in that the auxiliary drainpipe is located in the main drainpipe
Portion.
9. a kind of water discharge method of the drainage system of claim 1 to 8 any one of them washing machine, set on the main drain pump
There are water level sensor, the water discharge method to include the following steps：
After S1, washing machine enter bleeding stage, starts main drain pump and drained；
S2, the progress with draining, as first water level H1 of the value of feedback of water level sensor less than setting, the main drain pump
Stop, the first water level H1 is the critical groundwater table that washings are full of main drain pump chamber；
S3, washing machine enters the water smoking later, according to the value of feedback of water level sensor, when the value of feedback of water level sensor is higher than
When the first water level H1 of setting, the main drain pump startup continues to drain；And in the value of feedback of water level sensor less than setting
When the first water level H1, the main drain pump stops, and is drained using the auxiliary draining pump；
S4, the value of feedback according to water level sensor, it is described as second water level H2 of the value of feedback of water level sensor less than setting
Auxiliary draining pump stops, and draining terminates；The second water level H2 is critical groundwater table of the washings full of auxiliary draining pump chambers.
10. water discharge method according to claim 9, which is characterized in that the auxiliary draining pump in step sl, with the master
Draining pump starts simultaneously；Or the auxiliary draining pump, in step S2 or S3, the main drain pump starts when stopping.
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| CN201710037237.0A CN108330652A (en) | 2017-01-19 | 2017-01-19 | A kind of drainage system and water discharge method of washing machine |
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| CN201710037237.0A CN108330652A (en) | 2017-01-19 | 2017-01-19 | A kind of drainage system and water discharge method of washing machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419998A (en) * | 2019-07-16 | 2019-11-08 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine and its drainage system and water discharge method |
| WO2021248950A1 (en) * | 2020-06-09 | 2021-12-16 | 青岛海尔洗衣机有限公司 | Washing machine |
| CN114351408A (en) * | 2021-12-28 | 2022-04-15 | 合肥美的洗衣机有限公司 | Drainage system, control method and device thereof, clothes treatment equipment and storage medium |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419998A (en) * | 2019-07-16 | 2019-11-08 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-washing machine and its drainage system and water discharge method |
| WO2021248950A1 (en) * | 2020-06-09 | 2021-12-16 | 青岛海尔洗衣机有限公司 | Washing machine |
| JP7492229B2 (en) | 2020-06-09 | 2024-05-29 | 青島海爾洗衣机有限公司 | washing machine |
| CN114351408A (en) * | 2021-12-28 | 2022-04-15 | 合肥美的洗衣机有限公司 | Drainage system, control method and device thereof, clothes treatment equipment and storage medium |
| CN114351408B (en) * | 2021-12-28 | 2024-01-05 | 合肥美的洗衣机有限公司 | Drainage system, control method and device thereof, clothes treatment equipment and storage medium |
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