CN113136682A - Control method of washing machine and washing machine - Google Patents
Control method of washing machine and washing machine Download PDFInfo
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- CN113136682A CN113136682A CN202010053007.5A CN202010053007A CN113136682A CN 113136682 A CN113136682 A CN 113136682A CN 202010053007 A CN202010053007 A CN 202010053007A CN 113136682 A CN113136682 A CN 113136682A
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- 238000005406 washing Methods 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 338
- 230000008014 freezing Effects 0.000 abstract description 4
- 238000007710 freezing Methods 0.000 abstract description 4
- 101150114468 TUB1 gene Proteins 0.000 description 61
- 238000010438 heat treatment Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The invention discloses a control method of a washing machine and the washing machine, the washing machine comprises a water bucket and a circulating pipe, wherein a water inlet and a water outlet of the circulating pipe are communicated with the water bucket, a circulating pump is connected in series on the circulating pipe, when the washing machine executes a water drainage program, a water outlet of the circulating pump and a water outlet of the water bucket are simultaneously opened and outwards drained, the water outlet of the circulating pump can drain 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 in low temperature in winter is reduced or avoided, and the damage of the circulating pump and the circulating pipe is reduced or eliminated; 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, wherein a circulating pump is connected on the circulating pipe in series, and a water outlet is formed in 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
Generally, a washing machine is an apparatus for treating laundry by washing, rinsing, dehydrating, etc. using the action of water in which detergent is dissolved or clean water in order to remove dirt stuck to the laundry such as clothes, pillows, etc. In the prior art washing machine, it includes the following parts: a tub for holding washing water; a water supply module including a water supply pipeline and a water supply valve for supplying wash water to the tub; a drain module including a circulation pump, a drain valve and a drain line for draining contaminated wash water in the tub; and a circulation heating module including a circulation pump and a circulation pipe for circularly heating the washing water in the water tub, wherein the circulation pump and a drain valve are connected in series to the drain pipeline, the drain valve is connected in series to the upstream of the drain pipeline, and the circulation pump is connected in series to the circulation pipe;
the existing washing machine using the circulating pump for heating, the circulating pump and the drainage pipeline are both located at the bottom of the outer barrel of the washing machine, but the circulating pump and the drainage pipeline are not communicated at the bottom of the outer barrel of the washing machine, so that the drainage pipeline of the washing machine can have water residue in the circulating pump and the heating circulating pipe after drainage is finished, water remained in the circulating pump and the circulating pipe can be frozen at low temperature in winter, so that 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 can be damaged, and water leakage of the circulating pipe is avoided.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to solve the technical problems that water remained in a circulating pump and a circulating pipe can be frozen at low temperature in winter to freeze the circulating pump and the circulating pipe so as to cause damage to the circulating pump and the circulating pipe in the prior art, and provides a control method of a washing machine and the washing machine.
In order to solve the technical problems, the invention adopts the technical scheme that:
in an aspect of the present invention, a method for controlling a washing machine includes a tub and a circulation pipe having a water inlet and a water outlet communicated with the tub, and a circulation pump is connected to the circulation pipe in series, and when a draining process is performed, a drain port of the circulation pump and a drain port of the tub are opened simultaneously to drain water to the outside.
Further, when the washing machine executes the drainage program, the circulating pump works, part of the washing water in the water containing barrel is pumped to the drainage port of the circulating pump to be discharged outside through the circulating pump, and part of the washing water is discharged outside through the drainage port of the water containing barrel until the washing water in the water containing barrel is discharged to an empty water level, and then the circulating pump stops working;
preferably, the circulation pump is operated intermittently.
Further, when the washing machine executes the drainage program, the circulating pump is started again after the water level in the water containing barrel is lower than the set water level, and the circulating pump stops working until the water level of the washing water in the water containing barrel reaches the empty water level.
Further, after the washing water in the water bucket is drained to an 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 drained to an empty level, the circulation pump is operated for a certain time in an intermittent on-state, and then the drain port of the circulation pump is closed.
Further, after the water level of the washing water in the water containing barrel reaches the empty water level, the water outlet of the circulating pump and the water outlet of the water containing barrel are closed after continuously keeping the opening state for a period of time.
Further, the air conditioner is provided with a fan,
s1, the washing machine executes a drainage program, part of washing water in the water bucket is pumped to the drainage outlet of the circulating pump by the circulating pump to be discharged outside, and part of washing water is discharged outside through the drainage outlet of the water bucket, and the step S2 is executed;
s2, judging whether the water level of the water tub is lower than the 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, opening the circulating pump, continuously draining water from the water tank and 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 water level does not reach the empty water level, continuing to execute the step S3;
and 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 the draining process, the circulation pump does not operate, and the washing water in the water tub is drained outwards through the drain port of the circulation pump and the drain port of the water tub at the same time until the washing water in the water tub is drained to an empty level.
Further, the circulation pump and the water tub drain through respective drain ports, or the circulation pump and the water tub drain through respective drain ports through the same drain line.
According to another aspect of the present invention, there is provided a washing machine comprising a water tub and a circulation pipe having a water inlet and a water outlet communicated with the water tub, wherein a circulation pump is connected in series to the circulation pipe, a flow passage communicated with the circulation pipe is provided in the circulation pump, and a water outlet communicated with the flow passage is provided in the circulation pump.
Further, a water level sensor is provided in the tub.
After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.
1. The invention provides a control method of a washing machine, the washing machine comprises a water bucket and a circulating pipe with a water inlet and a water outlet communicated with the water bucket, a circulating pump is connected in series on the circulating pipe, when the washing machine executes a water drainage program, the water outlet of the circulating pump and the water outlet of the water bucket are opened simultaneously to drain water outwards, the washing water in the water bucket and residual water remained in the water bucket can be drained outwards by the circulating pump, the circulating pump and the residual water in the circulating pipe are reduced or eliminated, the freezing of the residual water in the circulating pump and the circulating pipe in winter at low temperature is reduced or avoided, and the damage of the circulating pipe and the circulating pump is reduced or eliminated.
2. According to the control method of the washing machine, when the washing machine executes the drainage program, the circulating pump is started again after the water level in the water containing barrel is lower than the set water level, so that 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 drained to the empty water level, the circulating pump works for a period of time in an intermittent opening mode, the water outlet of the circulating pump is closed, on the basis that the residual water can be drained, the circulating pump is prevented from idling, the damage of the circulating pump is reduced, and the problem that the circulating heating program of the washing machine cannot be executed due to the damage of the circulating pump is avoided.
The following describes 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, 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 without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without 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 diagram of a washing machine according to an embodiment of the present invention.
In the figure: 1-a water bucket; 2-circulating a heating module; 21-a circulation pipe; 22-a circulation pump; 3-a second drainage structure; 31-a second drain pipe; 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 the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled 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 an inlet and an outlet communicating with the tub 1, a circulation pump 22 is connected in series to the circulation pipe 21, and a drain port of the circulation pump 22 and a drain port of the tub 1 are opened simultaneously to drain water to the outside when the washing machine performs a drain process.
In the embodiment of the invention, when the washing machine executes the water drainage program, the water drainage port of the circulating pump 22 and the water drainage port of the water bucket 1 drain water outwards at the same time, so that the washing water in the water bucket 1 and residual water remained in the water bucket can be drained outwards by the circulating pump 22 while the washing water bucket 1 drains washing water outwards, 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;
a flow channel communicated with the circulating pipe 21 is arranged in the circulating pump 22, the circulating pump 22 is provided with a water inlet and a water outlet communicated with the circulating pipe 21, and a discharge port communicated with the flow channel and used for discharging water in the circulating pump 22;
the washing machine can be a pulsator washing machine, the water containing barrel 1 can be an outer barrel, the washing machine further comprises an inner barrel for containing clothes, and the inner barrel is arranged in the outer barrel; or, the water containing barrel 1 may be an outer barrel, and the washing machine further includes a housing and an inner barrel for containing clothes, the inner barrel is disposed in the outer barrel, and the outer barrel is disposed in the housing.
In the embodiment of the present invention, the circulation pump 22 and the tub 1 are drained through the drain lines communicating with the respective drain ports.
In the embodiment of the invention, the water outlet of the water tub 1 is communicated with the first water drainage structure 4, the water outlet of the circulating pump 22 is communicated with the second water drainage structure 3, water drained through the water outlet of the water tub 1 is drained to the outside through the first water drainage structure 4, water drained through the water outlet of the circulating pump 22 is drained to the outside through the second water drainage structure 3, and the water drainage structures of the two are independent from each other and drain water simultaneously.
In the embodiment of the present invention, the circulation pump 22 and the tub 1 communicate with the same drain line through respective drain ports to drain water.
In the embodiment of the invention, the second drainage structure 3 can be connected in series with the first drainage structure 4, so that the drainage structure is shared by the drainage port of the circulating pump 22 and the drainage port of the water tub 1, the drainage of the circulating pump 22 can be unified by the drainage of the water tub 1, the drainage is convenient to control, and the structure of the washing machine is simplified; the water discharged through the water discharge port of the water tub 1 is discharged to the outside through the first water discharge pipe, and the water discharged through the water discharge port of the circulation pump 22 is discharged to the outside through the first water discharge pipe and the second water discharge pipe 31.
In the embodiment of the present invention, when the washing machine performs the draining process, the circulating pump 22 is operated, a part of the washing water in the water tub 1 is pumped to the drain outlet of the circulating pump 22 through the circulating pump 22 and is drained to the outside through the drain outlet of the water tub 1, and the circulating pump 22 stops operating until the washing water in the water tub 1 is drained to the empty water level.
In the embodiment of the present invention, when the washing machine performs the draining process, the circulating pump 22 is in an operating state, a part of the washing water in the water tub 1 is drained from the drain opening of the water tub 1, and the other part of the washing water is drained from the drain opening of the circulating pump 22, when the circulating pump 22 drains the washing water in the water tub 1, the residual water remained in the circulating pump 22 is carried and drained, after the washing water in the water tub 1 is drained to an empty level, it is considered that no water exists in the water tub 1 and the circulating pump 22, and no water exists in the circulating pump 22 and the circulating pipe 21, so that the residual water remained in the circulating pump 22 can be prevented from freezing in the circulating pump 22 and the circulating pipe 21 when the temperature is low in winter, and the damage of the circulating pipe 21 and the circulating pump 22 can be eliminated.
As a preferred embodiment of the present invention, the circulation pump 22 is operated in an intermittent on mode, and the circulation pump 22 is intermittently operated/stopped, 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 can be ensured; on the other hand, it is possible to prevent the circulation pump 22 from idling, reduce damage to the circulation pump 22, and prevent the circulation heating process of the washing machine from being disabled due to damage to the circulation pump 22.
In the embodiment of the present invention, when the washing machine performs the draining process, the circulation pump 22 is turned on again after the water level in the water tub 1 is lower than the set water level, and the circulation pump 22 stops working until the water level of the washing water in the water tub 1 reaches the empty water level.
In the embodiment of the present invention, when the washing machine drains water, when the water level of the washing water in the water tub 1 is higher, the flow rate of the water is higher, the water outlet of the water tub 1 and the water outlet of the circulation pump 22 can drain the washing water in the water tub 1 faster, the circulation pump 22 does not need to be turned on, the number of times of turning on the circulation pump 22 is reduced, the service life of the circulation pump 22 is increased, and the waste of resources is reduced, as the water level is reduced continuously along with the drainage process, the water in the water tub 1 is more difficult to drain by the water outlet of the water tub 1 and the water outlet of the circulation pump 22, therefore, when the water level in the water tub 1 is lower than the set water level, the circulation pump 22 is controlled to be turned on, and the water drainage can be accelerated;
the opening of the circulating pump 22 in the washing machine drainage program is only executed below the set water level, so that the drainage program is more reasonable, the user experience is improved, and the opening times of the circulating pump 22 are reduced;
judge whether the washing water level reaches empty water level in the steel ladle 1, if reach empty water level, circulating pump 22 stop work, if not reach empty water level, circulating pump 22 continues work until the washing water level reaches empty water level in the steel ladle 1 after circulating pump 22 stop work.
In the embodiment of the present invention, after the washing water in the tub 1 is drained to the empty water level, the circulation pump 22 continues to operate for a certain period of time, and the drain port of the circulation pump 22 is closed.
In the embodiment of the present invention, after the washing water in the tub 1 is drained to the empty water level, since the washing water remains on the inner wall of the tub 1, the washing water remains on the circulation pump 22 and the circulation pipe 21, the washing water remains in the drainage structure, and so on, in order to enable a small amount of residual water remaining in the washing machine to be drained, the residual water in the tub 1, the circulation pump 22 and the circulation pipe 21 is further reduced, it is necessary to operate the circulation pump 22 for a certain period of time, and after the circulation pump 22 is operated for a certain period of time, the drain port of the circulation pump 22 and the drain port of the tub 1 are closed.
As a preferred embodiment of the present invention, after the washing water in the tub 1 is drained to an empty water level, the circulation pump 22 is operated for a period of time in an intermittent manner, and then the drain port of the circulation pump 22 is closed, and after the washing water in the tub 1 is drained to an empty water level, the residual water in the washing machine is relatively small, so that the circulation pump 22 is prevented from idling on the basis of ensuring that the residual water can be drained, the damage of the circulation pump 22 is reduced, and the circulation heating program of the washing machine cannot be executed 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 drain port of the circulation pump 22 and the drain port of the tub 1 are continuously kept in the open state for a certain period of time and then closed.
In the embodiment of the present invention, although the level of the washing water in the tub 1 reaches the empty level, a small amount of washing water remains in the washing machine, and in order to continuously drain the remaining washing water, the drain port of the circulation pump 22 and the drain port of the tub 1 are continuously opened for a certain period of time, so that the remaining washing water can be drained 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 tub 1 is pumped to the drainage outlet of the circulating pump 22 through the circulating pump 22 and is drained outside, and the part of washing water is drained outside through the drainage outlet of the water tub 1, and the step S2 is executed;
s2, judging whether the water level of the water tub 1 is lower than the 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, the circulation pump 22 is started, the water drainage port of the water tub 1 and the water drainage port of the circulation pump 22 continuously drain water outwards, and the step S4 is executed;
s4, judging whether the water level of the washing water in the water tub 1 reaches an empty water level, and if so, executing a step S5; if the water level does not reach the empty water level, 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 communicated with the 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 communicated with the first drain pipe, the second drain structure 3 includes a second drain pipe 31 communicated with the drain port of the circulation pump 22 and a second control valve 32 connected in series to the second drain pipe 31, a joint 4211 is provided on the water outlet joint of the first control valve, and 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 joint 4211, and the control method of the washing machine is as follows:
the washing machine performs a draining process while opening the first and second control valves 42 and 32, a part of the washing water in the tub 1 is pumped to the drain port of the circulation pump 22 through the circulation pump 22 and is drained 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 a part of the washing water is drained to the outside through the drain port of the tub 1 and the first drain pipe;
the water level of the water containing barrel 1 is lower than the set water level, the circulating pump 22 is started, and the water draining port of the water containing barrel 1 and the water draining port of the circulating pump 22 continuously drain water outwards;
when the water level of the water tub 1 reaches the empty water level, the circulation pump 22 operates for a certain period of time in an intermittent on mode, and then the circulation pump 22, the first control valve 42 and the second control valve 32 are closed, and the water discharge is finished.
In the embodiment of the present invention, when the washing machine performs the draining process, the circulation pump 22 does not operate, and the washing water in the tub 1 is simultaneously drained to the outside through the drain port of the circulation pump 22 and the drain port of the tub 1 until the washing water in the tub 1 is drained to an empty level.
In the embodiment of the present invention, when the washing machine performs the draining process, the circulation pump 22 may not be operated, the washing water in the tub 1 may be drained through the drain port of the tub 1 and the drain port of the circulation pump 22, and finally, after the level of the washing water in the tub 1 reaches the empty level, the water remaining in the washing machine may be drained through the drain port of the tub 1 and the drain port 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 comprising a tub 1 and a circulation pipe 21 having a water inlet and a water outlet communicated with the tub 1, wherein a circulation pump 22 is connected to the circulation pipe 21 in series, a flow passage communicated with the circulation pipe 21 is provided in the circulation pump 22, and a water outlet communicated with the flow passage is provided in the circulation pump 22.
In the embodiment of the present invention, a flow passage is provided in the circulation pump 22, the flow passage has a water inlet and a water outlet, the circulation pump 22 is connected in series to the circulation pipe 21, the water inlet and the water outlet of the flow passage are communicated with the circulation pipe 21, the circulation pump 22 is further provided with a water outlet communicated with the flow passage, and the washing water in the water tub 1 is discharged from the water outlet of the circulation pump 22 after passing through the flow passage.
In an embodiment of the present invention, a water level sensor is provided in the tub 1.
In an embodiment of the present invention, the water level sensor inside the tub 1 is used to monitor the water level inside the tub 1, the monitored water level including whether the water level inside the tub 1 is lower than a set water level to determine whether the circulation pump 22 is turned on, and whether the water level inside the tub 1 reaches an empty water level to determine whether the circulation pump 22 stops operating.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A control method of a 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, wherein a circulating pump is connected in series on the circulating pipe.
2. The control method of a washing machine according to claim 1, wherein when the washing machine performs the draining process, the circulation pump is operated, a part of the washing water in the tub is pumped to the drain outlet of the circulation pump to be discharged outside, and a part of the washing water is discharged to the drain outlet of the tub, and the circulation pump is stopped after the washing water in the tub is drained to the empty water level;
preferably, the circulation pump is operated intermittently.
3. The control method of a washing machine according to claim 1 or 2, wherein the circulation pump is turned on again after the water level in the tub is lower than the set water level when the washing machine performs the draining process, until the circulation pump stops operating after the water level of the washing water in the tub reaches the empty water level.
4. A control method of a washing machine according to any one of claims 1-3, wherein after the washing water in the tub is drained to an empty level, the circulation pump continues to operate for a certain period of time, and the drain port of the circulation pump is closed;
preferably, after the washing water in the tub is drained to an empty level, the circulation pump is operated for a certain time in an intermittent on-state, and then the drain port of the circulation pump is closed.
5. The control method of a washing machine according to any one of claims 1 to 4, wherein the drain port of the circulation pump and the drain port of the tub are closed after continuously maintaining the open state for a certain period of time after the level of the washing water in the tub reaches the empty level.
6. The control method of a washing machine according to any one of claims 1 to 5,
s1, the washing machine executes a drainage program, part of washing water in the water bucket is pumped to the drainage outlet of the circulating pump by the circulating pump to be discharged outside, and part of washing water is discharged outside through the drainage outlet of the water bucket, and the step S2 is executed;
s2, judging whether the water level of the water tub is lower than the 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, opening the circulating pump, continuously draining water from the water tank and 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 water level does not reach the empty water level, continuing to execute the step S3;
and 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.
7. The control method of a washing machine as claimed in claim 1, wherein the circulation pump is not operated and the washing water in the tub is simultaneously drained to the outside through the drain port of the circulation pump and the drain port of the tub until the washing water in the tub is drained to an empty level while the washing machine performs the draining process.
8. The control method of a washing machine according to any one of claims 1 to 7, wherein the circulation pump and the tub are drained through drain lines through which the respective drain ports communicate, or the circulation pump and the tub are drained through the same drain line through which the respective drain ports communicate.
9. A washing machine comprising a water containing barrel and a circulation pipe having a water inlet and a water outlet communicated with the water containing barrel, wherein the circulation pipe is connected in series with a circulation pump, and a flow passage communicated with the circulation pipe is provided in the circulation pump, characterized in that a drain port communicated with the flow passage is provided in the circulation pump by the control method of the washing machine as claimed in any one of claims 1 to 8.
10. The washing machine as claimed in claim 9, wherein a water level sensor is provided in the tub.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018310A (en) * | 2021-09-17 | 2022-02-08 | 合肥美的洗衣机有限公司 | Method and device for detecting icing of sewer channel, electronic equipment and storage medium |
| WO2023173979A1 (en) * | 2022-03-18 | 2023-09-21 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
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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 |
| WO2023173979A1 (en) * | 2022-03-18 | 2023-09-21 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
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| CN113136682B (en) | 2024-05-24 |
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