CN113136682B - Control method of washing machine and washing machine - Google Patents
Control method of washing machine and washing machine Download PDFInfo
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- CN113136682B CN113136682B CN202010053007.5A CN202010053007A CN113136682B CN 113136682 B CN113136682 B CN 113136682B CN 202010053007 A CN202010053007 A CN 202010053007A CN 113136682 B CN113136682 B CN 113136682B
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- 238000005406 washing Methods 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 404
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000012279 drainage procedure Methods 0.000 claims 1
- 230000008014 freezing Effects 0.000 abstract description 5
- 238000007710 freezing Methods 0.000 abstract description 5
- 101150114468 TUB1 gene Proteins 0.000 description 43
- 238000007599 discharging Methods 0.000 description 8
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a control method of a washing machine and the washing machine, wherein the washing machine comprises a water containing barrel and a circulating pipe with a water inlet and a water outlet communicated with the water containing barrel, the circulating pipe is connected with a circulating pump in series, when the washing machine executes a water discharging program, a water outlet of the circulating pump and a water outlet of the water containing barrel are simultaneously opened and discharged outwards, the water outlet of the circulating pump can discharge residual water in the circulating pump to the outside, the residual water in the circulating pump and the circulating pipe is reduced or eliminated, the freezing of the residual water in the circulating pump and the circulating pipe is reduced or avoided when the residual water is at a low temperature in winter, and the damage of the circulating pump and the circulating pipe is reduced or eliminated; the washing machine includes water tub, circulating pipe with water inlet and water outlet connected to the water tub, circulating pump connected serially to the circulating pipe, and water outlet set on the circulating pump.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a control method of a washing machine and the washing machine.
Background
In general, a washing machine is a device for treating laundry by washing, cleaning, dehydrating, etc. using water in which detergent is dissolved or clean water in order to remove dirt stuck to the laundry such as clothes and pillows. In the prior art washing machine, it comprises the following parts: a tub for holding washing water; a water supply module including a water supply pipe and a water supply valve for supplying washing water to the tub; a drain module including a circulation pump, a drain valve, and a drain line for draining the contaminated wash water in the tub; and a circulation heating module including a circulation pump and a circulation pipe for circulating and heating the washing water in the tub, the circulation pump and the drain valve being connected in series to the drain pipe, the drain valve being connected in series to the drain pipe upstream, the circulation pump being connected in series to the circulation pipe;
The existing washing machine heated by the circulating pump is provided with the circulating pump and the water draining pipeline which are all positioned at the bottom of the outer barrel of the washing machine, but the circulating pump and the water draining pipeline are not communicated with each other at the bottom of the outer barrel of the washing machine, so that water residues exist in the circulating pump and the heating circulating pipe after water draining is finished, the water residues in the circulating pump and the circulating pipe can freeze at low temperature in winter, the circulating pump and the circulating pipe are frozen, the heating function of the circulating pump is disabled, the circulating pump is damaged, the circulating pipe is damaged, and the circulating pipe is leaked.
The present invention has been made in view of this.
Disclosure of Invention
The invention aims to solve the technical problems that water remained in a circulating pump and a circulating pipe in the prior art can freeze at low temperature in winter, and the circulating pump and the circulating pipe are damaged due to freezing, and provides a control method of a washing machine and the washing machine.
In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that:
In one aspect of the present invention, there is provided a control method of a washing machine including a tub, and a circulation pipe having a water inlet and a water outlet connected to the tub, the circulation pipe being connected in series with a circulation pump, a water outlet of the circulation pump and a water outlet of the tub being simultaneously opened to drain water outwardly when the washing machine performs a water drain process.
Further, when the washing machine executes a water draining program, the circulating pump works, part of washing water in the water holding barrel is pumped to the water outlet of the circulating pump by the circulating pump to be discharged, and part of washing water is discharged to the outside of the water holding barrel by the water outlet of the water holding barrel until the washing water in the water holding barrel is discharged to an empty water level, and then the circulating pump stops working;
Preferably, the circulation pump operates in a discontinuous-on manner.
Further, when the washing machine executes the water draining program, after the water level in the water holding barrel is lower than the set water level, the circulating pump is started again until the water level of the washing water in the water holding barrel reaches the empty water level, and then the circulating pump stops working.
Further, after the washing water in the water containing barrel is discharged to the empty water level, the circulating pump continues to work for a period of time, and then the water outlet of the circulating pump is closed;
Preferably, after the washing water in the tub is discharged to an empty water level, the circulation pump is operated for a certain period of time in a discontinuous opening manner, and the drain port of the circulation pump is closed.
Further, after the water level of the washing water in the water holding barrel reaches the empty water level, the water outlet of the circulating pump and the water outlet of the water holding barrel are continuously kept in an open state for a period of time and then are closed.
Further, the method comprises the steps of,
S1, the washing machine executes a drainage program, part of washing water in the water containing barrel is pumped to the drainage port of the circulating pump through the circulating pump to be drained, and part of washing water is drained through the drainage port of the water containing barrel to execute step S2;
s2, judging whether the water level of the water bucket is lower than a set water level, and if so, executing a step S3; if the water level is higher than the set water level, continuing to execute the step S1;
s3, starting the circulating pump, continuously draining water outwards from the water outlet of the water bucket and the water outlet of the circulating pump, and executing the step S4;
s4, judging whether the water level of the washing water in the water bucket reaches an empty water level, and if so, executing a step S5; if the empty water level is not reached, continuing to execute the step S3;
S5, the circulating pump works for a period of time in a discontinuous opening mode, and then the water outlet of the circulating pump is closed.
Further, when the washing machine performs a water discharge process, the circulation pump is not operated, and the washing water in the tub is simultaneously discharged to the outside through the water discharge port of the circulation pump and the water discharge port of the tub until the washing water in the tub is discharged to an empty water level.
Further, the circulation pump and the tub are drained through drain pipes connected through respective drain ports, or the circulation pump and the tub are drained through the same drain pipe connected through respective drain ports.
According to another aspect of the present invention, there is provided a washing machine including a tub and a circulation pipe having a water inlet and a water outlet connected to the tub, the circulation pipe being connected in series with a circulation pump having a flow passage connected to the circulation pipe therein, the circulation pump having a water outlet connected to the flow passage.
Further, a water level sensor is provided in the tub.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.
1. The control method of the washing machine provided by the invention comprises the water containing barrel and the circulating pipe with the water inlet and the water outlet communicated with the water containing barrel, wherein the circulating pipe is connected with the circulating pump in series, when the washing machine executes a water discharging program, the water outlet of the circulating pump and the water outlet of the water containing barrel are simultaneously opened and water is discharged outwards, so that the washing water in the water containing barrel and residual water in the circulating pump can be discharged outwards by the circulating pump while the washing water in the water containing barrel and residual water in the circulating pump can be discharged outwards, the residual water in the circulating pump and the circulating pipe can be reduced or eliminated, the freezing of the residual water in the circulating pump and the circulating pipe can be reduced or avoided when the residual water is at low temperature in winter, and the damage of the circulating pump and the circulating pipe can be reduced or eliminated.
2. According to the control method of the washing machine, when the washing machine executes the water draining program, after the water level in the water holding barrel is lower than the set water level, the circulating pump is started again, the starting times of the circulating pump are reduced, the service life of the circulating pump is prolonged, and the waste of resources is reduced.
3. According to the control method of the washing machine, after the washing water in the water containing barrel is discharged to the empty water level, the circulating pump works for a period of time in a discontinuous opening mode, the water outlet of the circulating pump is closed, the phenomenon that the circulating pump idles is avoided on the basis of ensuring that residual water is discharged is avoided, damage to the circulating pump is reduced, and the phenomenon that a circulating heating program of the washing machine cannot be executed due to the damage to the circulating pump is avoided.
The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:
Fig. 1 is a flowchart of a control method of a washing machine according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a washing machine according to an embodiment of the present invention.
In the figure: 1-a water bucket; 2-a cyclic heating module; 21-a circulation tube; 22-a circulation pump; 3-a second drainage structure; 31-a second drain; 32-a second control valve; 4-a first drainage structure; 42-a first control valve; 421-water outlet joint; 4211-interface.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, according to an aspect of the present invention, there is provided a control method of a washing machine including a tub 1 and a circulation pipe 21 having a water inlet and a water outlet communicated with the tub 1, the circulation pipe 21 being connected in series with a circulation pump 22, and a water outlet of the circulation pump 22 being opened and drained outwardly simultaneously with a water outlet of the tub 1 when the washing machine performs a water drain process.
In the embodiment of the invention, when the washing machine executes a water draining program, the water outlet of the circulating pump 22 and the water outlet of the water holding barrel 1 drain outwards simultaneously, so that the washing water in the water holding barrel 1 and residual water remained in the circulating pump 22 can be discharged outwards while the washing water is discharged outwards by the circulating pump 22, the residual water in the circulating pump 22 and the circulating pipe 21 is reduced or eliminated, the freezing of the residual water in the circulating pump 22 and the circulating pipe 21 at low temperature in winter is reduced or avoided, and the damage of the circulating pipe 21 and the circulating pump 22 is reduced or eliminated;
The circulating pump 22 is internally provided with a flow channel communicated with the circulating pipe 21, and the circulating pump 22 is provided with a water inlet and a water outlet communicated with the circulating pipe 21 and also provided with a discharge port communicated with the flow channel, wherein the discharge port is used for discharging water in the circulating pump 22;
Wherein, the washing machine can be a pulsator washing machine, the water containing barrel 1 can be an outer barrel, the washing machine also comprises an inner barrel for containing clothes, and the inner barrel is arranged in the outer barrel; or the tub 1 may be an outer tub, and the washing machine further includes a housing and an inner tub for holding laundry, the inner tub being provided in the outer tub, the outer tub being provided in the housing.
In the embodiment of the present invention, the circulation pump 22 and the tub 1 are drained through drain lines communicating with the respective drain ports.
In the embodiment of the invention, the water outlet of the water containing bucket 1 is communicated with a first water discharging structure 4, the water outlet of the circulating pump 22 is communicated with a second water discharging structure 3, water discharged from the water outlet of the water containing bucket 1 is discharged to the outside through the first water discharging structure 4, water discharged from the water outlet of the circulating pump 22 is discharged to the outside through the second water discharging structure 3, and the water discharging structures are mutually independent, but water discharging is carried out simultaneously.
In the embodiment of the present invention, the circulation pump 22 and the tub 1 communicate with the same drain line drain through respective drain ports.
In the embodiment of the invention, the second water draining structure 3 can be connected in series on the first water draining structure 4, so that the water draining structure is shared by the water draining port of the circulating pump 22 and the water draining port of the water containing barrel 1, the water draining of the circulating pump 22 can be unified by means of the water draining of the water containing barrel 1, the water draining is convenient to control, and the structure of the washing machine is simplified; the water discharged through the water outlet of the tub 1 is discharged to the outside through the first water discharge pipe, and the water discharged through the water outlet of the circulation pump 22 is discharged to the outside through the first and second water discharge pipes 31.
In the embodiment of the invention, when the washing machine executes a water draining program, the circulating pump 22 works, part of washing water in the water containing barrel 1 is pumped to the water outlet of the circulating pump 22 by the circulating pump 22 to be discharged, and part of washing water is discharged to the outside of the water containing barrel 1 by the water outlet of the water containing barrel 1 until the circulating pump 22 stops working after the washing water in the water containing barrel 1 is discharged to an empty water level.
In the embodiment of the present invention, when the washing machine performs the water draining process, the circulation pump 22 is in an operating state, a part of the washing water in the tub 1 is drained from the drain port of the tub 1, and the other part is drained from the drain port of the circulation pump 22, and the circulation pump 22 carries the residual water remaining in the circulation pump 22 when draining the washing water in the tub 1, and after the washing water in the tub 1 is drained to the empty water level, it is considered that both the inside of the tub 1 and the inside of the circulation pump 22 are anhydrous, and the inside of the circulation pump 22 and the inside of the circulation pipe 21 are anhydrous, so that the residual water remaining in the circulation pump 22 is prevented from freezing in the circulation pump 22 and the circulation pipe 21 at low temperature in winter, and damage to the circulation pipe 21 and the circulation pump 22 is eliminated.
As a preferred embodiment of the present invention, the circulation pump 22 is operated in a discontinuous opening manner, and the intermittent operation/stop control of the circulation pump 22 is performed, so that on one hand, the probability of poor drainage of the washing machine due to air in the circulation pump 22 can be effectively reduced, and the drainage performance of the washing machine is ensured; on the other hand, the idle running of the circulation pump 22 can be avoided, the damage of the circulation pump 22 can be reduced, and the failure of the circulation heating program of the washing machine due to the damage of the circulation pump 22 can be avoided.
In the embodiment of the invention, when the washing machine executes the water draining program, after the water level in the water bucket 1 is lower than the set water level, the circulating pump 22 is started again until the water level of the washing water in the water bucket 1 reaches the empty water level, and then the circulating pump 22 stops working.
In the embodiment of the invention, when the water level of the washing water in the water holding barrel 1 is higher during water draining of the washing machine, the water flow rate is higher, the water draining outlet of the water holding barrel 1 and the water draining outlet of the circulating pump 22 can drain the washing water in the water holding barrel 1 relatively quickly, the circulating pump 22 is not required to be started, the starting times of the circulating pump 22 are reduced, the service life of the circulating pump 22 is prolonged, the waste of resources is reduced, and as the water draining procedure is carried out, the water level is continuously reduced, the water draining outlet of the water holding barrel 1 and the water draining outlet of the circulating pump 22 are more difficult to drain the water in the water holding barrel 1, therefore, after the water level in the water holding barrel 1 is lower than the set water level, the circulating pump 22 is controlled to start to work, and the starting of the circulating pump 22 can accelerate the water draining;
the opening of the circulating pump 22 in the water discharging program of the washing machine is only executed below the set water level, so that the water discharging program is more reasonable, the user experience is improved, and the times of opening the circulating pump 22 are reduced;
Judging whether the water level of the washing water in the water tub 1 reaches the empty water level, if the water level reaches the empty water level, stopping the operation of the circulating pump 22, and if the water level does not reach the empty water level, continuing to operate the circulating pump 22 until the water level of the washing water in the water tub 1 reaches the empty water level, and stopping the operation of the circulating pump 22.
In the embodiment of the present invention, after the washing water in the tub 1 is discharged to the empty water level, the circulation pump 22 continues to operate for a while, and the drain of the circulation pump 22 is closed again.
In the embodiment of the present invention, after the washing water in the tub 1 is discharged to the empty water level, since the washing water remains on the inner wall of the tub 1, the circulation pump 22 and the circulation pipe 21, the washing water remains in the drain structure, and the like, in order to allow a small amount of the residual water remaining in the washing machine to be discharged, the residual water in the tub 1, the circulation pump 22, and the circulation pipe 21 is further reduced, it is necessary that the circulation pump 22 is operated for a certain period of time again, and after the circulation pump 22 is operated for a certain period of time, the drain of the circulation pump 22 is closed again, and the drain of the tub 1 is closed again.
As a preferred embodiment of the present invention, the circulation pump 22 is operated for a while in a discontinuous opening manner after the washing water in the tub 1 is discharged to the empty water level, and then the drain of the circulation pump 22 is closed, and after the washing water in the tub 1 is discharged to the empty water level, the residual water in the washing machine is relatively small, and on the basis of ensuring that the residual water can be discharged, the circulation pump 22 is prevented from idling, the damage of the circulation pump 22 is reduced, and the circulation heating process of the washing machine is prevented from being performed due to the damage of the circulation pump 22.
In the embodiment of the present invention, after the water level of the washing water in the tub 1 reaches the empty water level, the water outlet of the circulation pump 22 and the water outlet of the tub 1 are continuously maintained in an opened state for a while and then are closed.
In the embodiment of the present invention, although the water level of the washing water in the tub 1 has reached the empty water level, a small amount of washing water is stored in the washing machine, and in order to continue discharging the remaining washing water, the drain port of the circulation pump 22 and the drain port of the tub 1 should be continuously maintained open for a certain period of time, so that the remaining water can be discharged to the maximum.
As shown in fig. 1, in an embodiment of the present invention,
S1, the washing machine executes a drainage program, part of washing water in the water containing barrel 1 is pumped to the drain outlet of the circulating pump 22 through the circulating pump 22 and is discharged outside, and part of washing water is discharged outside through the drain outlet of the water containing barrel 1, and step S2 is executed;
s2, judging whether the water level of the water holding barrel 1 is lower than a set water level, and if so, executing a step S3; if the water level is higher than the set water level, continuing to execute the step S1;
S3, starting the circulating pump 22, continuously draining the water outwards from the water outlet of the water bucket 1 and the water outlet of the circulating pump 22, and executing the step S4;
s4, judging whether the water level of the washing water in the water bucket 1 reaches an empty water level, and executing a step S5 if the water level reaches the empty water level; if the empty water level is not reached, continuing to execute the step S3;
S5, the circulating pump 22 works for a period of time in a discontinuous opening mode, and then the water outlet of the circulating pump 22 is closed;
As shown in fig. 2, the circulation heating module 2 includes a circulation pipe 21 and a circulation pump 22, the first drain structure 4 includes a first drain pipe communicating with a drain port of the tub 1 and a first control valve 42 connected in series to the first drain pipe, the first control valve 42 has a water inlet and outlet joint communicating with the first drain pipe, the second drain structure 3 includes a second drain pipe 31 communicating with a drain port of the circulation pump 22 and a second control valve 32 connected in series to the second drain pipe 31, an interface 4211 is provided to a water outlet joint of the first control valve, a water outlet end of the second drain pipe 31 is connected in series to a water outlet joint 421 of the first control valve 42 through the interface 4211, and a control method of the washing machine is as follows:
the washing machine performs a drain process while opening the first and second control valves 42 and 32, and part of the washing water in the tub 1 is pumped to a drain of the circulation pump 22 through the circulation pump 22 and is discharged to the outside through the second drain pipe 31, the water outlet joint 421 of the first control valve 42, and the first drain pipe, and part of the washing water is discharged to the outside through the drain of the tub 1;
The water level of the water containing bucket 1 is lower than the set water level, the circulating pump 22 is started, and the water outlet of the water containing bucket 1 and the water outlet of the circulating pump 22 continue to drain outwards;
The water level of the tub 1 reaches the empty level, the circulation pump 22 is operated for a while with intermittent opening, and the circulation pump 22, the first control valve 42, and the second control valve 32 are closed, and the drainage is completed.
In the embodiment of the present invention, when the washing machine performs the water discharge process, the circulation pump 22 is not operated, and the washing water in the tub 1 is simultaneously discharged to the outside through the water discharge port of the circulation pump 22 and the water discharge port of the tub 1 until the washing water in the tub 1 is discharged to the empty water level.
In the embodiment of the present invention, when the washing machine performs the water draining process, the circulation pump 22 may not be operated, and the washing water in the tub 1 may be discharged through the water outlet of the tub 1 and the water outlet of the circulation pump 22, and finally, after the washing water level in the tub 1 reaches the empty level, the water remaining in the washing machine may be discharged through the water outlet of the tub 1 and the water outlet of the circulation pump 22 by manually tilting the washing machine.
According to another aspect of the present invention, there is provided a washing machine including a tub 1 and a circulation pipe 21 having a water inlet and a water outlet communicating with the tub 1, the circulation pipe 21 being connected in series with a circulation pump 22, a flow passage communicating with the circulation pipe 21 being provided in the circulation pump 22, and a water outlet communicating with the flow passage being provided in the circulation pump 22.
In the embodiment of the invention, a runner is arranged in the circulating pump 22, the runner is provided with a water inlet and a water outlet, the circulating pump 22 is connected in series on the circulating pipe 21, the water inlet and the water outlet of the runner are communicated with the circulating pipe 21, a water outlet communicated with the runner is additionally arranged on the circulating pump 22, and the washing water in the water holding barrel 1 is discharged from the water outlet of the circulating pump 22 after passing through the runner.
In the embodiment of the present invention, a water level sensor is provided in the tub 1.
In the embodiment of the present invention, the water level sensor in the tub 1 is used to monitor the water level in the tub 1, and the monitored water level includes whether the water level in the tub 1 is lower than a set water level to determine whether to turn on the circulation pump 22, and whether the water level in the tub 1 reaches an empty water level to determine whether to stop the circulation pump 22.
The foregoing description is only illustrative of the preferred embodiment of the present invention, and is not to be construed as limiting the invention, but is to be construed as limiting the invention to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the invention, may be made by those skilled in the art without departing from the scope of the invention.
Claims (11)
1. A control method of washing machine, the washing machine includes the water tub and water inlet and outlet and circulating pipe communicated with water tub, connect the circulating pump in series on the circulating pipe, characterized by that, when the washing machine carries out the drainage procedure, the drain outlet of the circulating pump and drain outlet of the water tub are opened at the same time, drain outwards;
The washing machine comprises a circulation heating module, a first drainage structure and a second drainage structure, wherein the circulation heating module comprises a circulation pipe and a circulation pump, the first drainage structure comprises a first drainage pipe communicated with a water outlet of a water bucket and a first control valve connected on the first drainage pipe in series, the first control valve is provided with a water inlet and outlet joint communicated with the first drainage pipe, the second drainage structure comprises a second drainage pipe communicated with the water outlet of the circulation pump and a second control valve connected on the second drainage pipe in series, an interface is arranged on a water outlet joint of the first control valve, and a water outlet end of the second drainage pipe is connected on a water outlet joint of the first control valve in series through the interface;
The washing machine executes a water draining program, and simultaneously opens the first control valve and the second control valve, part of washing water in the water bucket is drained to the outside through the second drain pipe, the water outlet joint of the first control valve and the first drain pipe by the water outlet of the circulating pump, and part of washing water is drained to the outside through the water outlet of the water bucket by the first drain pipe.
2. The control method of a washing machine as claimed in claim 1, wherein the circulation pump is operated when the washing machine performs the water discharge process, a part of the washing water in the tub is discharged to the outside of the water discharge port of the circulation pump by the circulation pump, and a part of the washing water is discharged to the outside of the water discharge port of the tub until the washing water in the tub is discharged to the empty water level, and the circulation pump is stopped.
3. A control method of a washing machine according to claim 2, wherein the circulation pump is operated in a intermittently opened manner.
4. The control method of a washing machine as claimed in claim 2, wherein when the washing machine performs the water discharge process, the circulation pump is turned on again after the water level in the tub is lower than the set water level, until the circulation pump is stopped after the water level of the washing water in the tub reaches the empty water level.
5. A control method of a washing machine as claimed in claim 3, wherein the circulation pump continues to operate for a while after the washing water in the tub is discharged to an empty water level, and the drain of the circulation pump is closed again.
6. The control method of a washing machine as claimed in claim 5, wherein the circulation pump is operated for a while in an intermittent opening manner after the washing water in the tub is discharged to an empty water level, and the drain of the circulation pump is closed.
7. The control method of a washing machine as claimed in claim 4, wherein the water discharge port of the circulation pump and the water discharge port of the tub are closed after remaining open for a while after the water level of the washing water in the tub reaches the empty water level.
8. A control method of a washing machine according to any one of claims 1 to 5, wherein,
S1, the washing machine executes a drainage program, part of washing water in the water containing barrel is pumped to the drainage port of the circulating pump through the circulating pump to be drained, and part of washing water is drained through the drainage port of the water containing barrel to execute step S2;
s2, judging whether the water level of the water bucket is lower than a set water level, and if so, executing a step S3; if the water level is higher than the set water level, continuing to execute the step S1;
s3, starting the circulating pump, continuously draining water outwards from the water outlet of the water bucket and the water outlet of the circulating pump, and executing the step S4;
s4, judging whether the water level of the washing water in the water bucket reaches an empty water level, and if so, executing a step S5; if the empty water level is not reached, continuing to execute the step S3;
S5, the circulating pump works for a period of time in a discontinuous opening mode, and then the water outlet of the circulating pump is closed.
9. The control method of a washing machine as claimed in claim 1, wherein the circulation pump is not operated when the washing machine performs the water discharge process, and the washing water in the tub is simultaneously discharged to the outside through the water discharge port of the circulation pump and the water discharge port of the tub until the washing water in the tub is discharged to an empty water level.
10. A washing machine comprising a water holding barrel and a circulating pipe with a water inlet and a water outlet communicated with the water holding barrel, wherein the circulating pipe is connected in series with a circulating pump, and a runner communicated with the circulating pipe is arranged in the circulating pump.
11. The washing machine as claimed in claim 10, wherein a water level sensor is provided in the tub.
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| CN202010053007.5A CN113136682B (en) | 2020-01-17 | 2020-01-17 | Control method of washing machine and washing machine |
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| CN202010053007.5A CN113136682B (en) | 2020-01-17 | 2020-01-17 | Control method of washing machine and washing machine |
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| CN113136682B true CN113136682B (en) | 2024-05-24 |
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| CN114018310B (en) * | 2021-09-17 | 2023-11-03 | 合肥美的洗衣机有限公司 | Method and device for detecting icing of sewer, electronic equipment and storage medium |
| CN116791315A (en) * | 2022-03-18 | 2023-09-22 | 青岛海尔洗衣机有限公司 | Control method of washing machine and washing machine |
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| KR20100082519A (en) * | 2009-01-09 | 2010-07-19 | 삼성전자주식회사 | Washing machine |
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