CN115538102A - Washing machine and control method thereof - Google Patents

Abstract

The invention provides a washing machine and a control method thereof, wherein the washing machine comprises: an outer tub having a tub opening and a drain opening; the cover body can be arranged on the outer barrel in a locking way to open and close the barrel opening; and the drying assembly comprises an air supply part and a drying pipeline communicated with the air supply part, the drying pipeline is communicated with the water outlet, and when the air supply part supplies air to the outer barrel through the drying pipeline, the cover body closes the barrel opening. The drying component in the invention realizes the drying of the outer barrel, thereby avoiding the problems of bacterial breeding and secondary pollution caused by the outer barrel; and the dead zone of the periphery of the water outlet and the bottom of the outer barrel can be well dried, and the drying is more thorough and sanitary. When the gas supply piece supplies gas to the outer barrel, the cover body is kept in a locking state, so that the gas is prevented from overflowing out of the machine body rapidly, and the situation that high-humidity gas flees in the machine body to cause damp damage to parts is avoided. Meanwhile, the situation that the cover body repeatedly loosens and impacts the outer barrel under the impact of gas is avoided, and the noise of the product is reduced.

Description

Washing machine and control method thereof

Technical Field

The invention relates to the field of washing machines, in particular to a washing machine and a control method of the washing machine.

Background

In the existing washing machine, when the washing machine is not used, the outer cover is in a closed state generally, so that an approximately closed space is formed in the washing machine.

In the state, after washing of the washing machine is finished each time, the interior of the washing machine is in a wet state, and under the condition that the outer cover is closed, moisture in the washing machine is inconvenient to discharge, mildew is easy to breed in the washing machine, peculiar smell is caused, secondary pollution is caused, and the like.

In order to solve the above problems, the user usually keeps the outer cover open, but the inner and outer tubs are still wet in this way, which is not effective.

At present washing machine has proposed a dry procedure of bucket of selection after the washing, adopts interior bucket rotatory mode, but bucket rotation is the cool breeze in this way to outer barrel bottom and drain valve mouth of pipe are difficult to play a role, and the bucket is internal to store water still can lead to bacterial growing, and leads to the dirt gathering.

The present invention has been made in view of this situation.

Disclosure of Invention

In order to solve the above technical problems, an object of the present invention is to provide a washing machine and a control method of the washing machine, in which a drain outlet of an outer tub and a drain outlet of the outer tub can be effectively dried by the drying assembly of the present invention, thereby preventing bacteria from breeding.

In order to solve the technical problems, the invention adopts the technical scheme that:

the present invention provides a washing machine, including:

an outer tub having a tub opening and a drain opening;

the cover body can be arranged on the outer barrel in a locking way to open and close the barrel opening;

the drying assembly comprises an air supply part and a drying pipeline communicated with the air supply part, the drying pipeline is communicated with the water outlet, wherein, when the air supply part supplies air to the outer barrel through the drying pipeline, the cover body is closed at the barrel opening.

In the above technical solution, further comprising:

a drain valve;

the connecting pipe is communicated with the drain valve and the water outlet, an air inlet is formed in the side wall of the connecting pipe, and the drying pipeline is communicated with the air inlet;

preferably, a first one-way valve is arranged on the drying pipeline and/or the air inlet and is used for one-way communication of the drying pipeline to the direction of the connecting pipe.

In any one of the above technical solutions, the drying duct includes:

a first pipe communicating with the air supply member and the water discharge port;

at least one second pipe communicated with the air supply member and the bottom of the outer tub;

preferably, the drying pipeline further comprises a main pipeline communicated with the air supply part, the first pipeline and at least one of the second pipelines are respectively communicated with the main pipeline, and the main pipeline is provided with a heating part.

In any of the above technical solutions, the washing machine further includes:

the inner barrel is rotatably arranged in the outer barrel and is provided with a plurality of through holes communicated with the outer barrel;

when the air supply piece supplies air to the outer barrel through the drying pipeline, the inner barrel rotates to drive the air to enter the inner barrel along the through hole;

preferably, a rotatable impeller is arranged in the inner barrel, at least part of the through holes are arranged on the bottom wall of the inner barrel, and a plurality of airflow channels communicated with the through holes on the bottom wall of the inner barrel are arranged on the impeller.

In any of the above technical solutions, the cover body is provided with a plurality of air holes; and/or

The cover body is provided with a temperature measuring device.

In any of the above technical solutions, when the air supply member stops supplying air to the outer tub, the cover is unlocked at the tub opening of the outer tub;

preferably, the outer tub and/or the cover are/is provided with an ejection mechanism, and when the cover is unlocked, the ejection mechanism ejects the cover to the bung hole of the outer tub.

The invention also provides a control method of the washing machine, which is suitable for the washing machine in any technical scheme and comprises the following steps:

and responding to a barrel drying instruction, controlling the cover body to be locked on the outer barrel, and controlling the air supply piece to supply air to the outer barrel through the drying pipeline.

In any of the above technical solutions, before the step of controlling the air supply member to supply air to the tub through the drying duct, the method further includes:

acquiring the state of the cover body;

if the cover body is in a locking state, the control of the air supply piece to supply air to the outer barrel through the drying pipeline is executed, otherwise, the work of the air supply piece is suspended and an alarm is sent out.

In any of the above technical solutions, when controlling the air supply part to supply air to the outer tub through the drying duct, the drying apparatus further comprises: controlling the inner barrel and/or the impeller to rotate;

preferably, the heating element is controlled to heat the gas and detect the temperature of the cover body in real time while the gas supply element is controlled to supply gas to the outer tub through the drying pipeline;

when the detected temperature is less than or equal to a first preset temperature, the gas supply piece is controlled to stop working, and the ejection mechanism is controlled to eject the cover body.

In any of the above technical solutions, further comprising:

when the detected temperature is higher than or equal to a second preset temperature, controlling the heating element to stop working and controlling the gas supply element to continue working;

the first preset temperature is less than the second preset temperature.

In the drying device, the air supply member works to drive air to flow along the drying pipeline and enter the outer barrel through the water outlet, and the air flows to take away water in the water outlet and the outer barrel, so that the periphery of the water outlet and the outer barrel are dried, the drying in the outer barrel is favorably realized, and the problems of bacterial breeding in the outer barrel and secondary pollution caused by the bacterial breeding in the outer barrel are avoided; and when drying, only need start the air feed spare just for drying operation is simple, and drying efficiency is high, effectual. Through setting up the gas supply spare, be favorable to accelerating gaseous flow velocity and intensity, be favorable to improving drying speed. And because the drying pipeline is communicated with the water outlet, the dead zones such as the area around the water outlet and the bottom of the outer barrel can be dried well, and the outer barrel is dried more thoroughly and more hygienically.

Simultaneously when the air feed spare is to outer bucket air feed for the lid keeps locking state, avoids gaseous rapid overflow to go out the organism, makes gaseous can fully move in outer bucket, and with the steam contact in the bucket, take the outer bucket of drying, also avoids the gaseous messy scurring in the organism of high humidity simultaneously, leads to the situation that spare part receives the damp damage. The situation that the cover body repeatedly loosens and impacts the outer barrel under the impact of gas is avoided, and the noise of the product is reduced.

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 also be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view illustrating a structure of a washing machine according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a part of the structure of the washing machine in one embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

10. a washing machine; 11. an outer tub; 111. a water discharge port; 12. a cover body; 13. a drying assembly; 131. a gas supply member; 132. drying the pipeline; 1321. a first conduit; 1322. a second pipe; 1323. a main conduit; 14. a drain valve; 15. a connecting pipe; 151. an air inlet; 161. a first check valve; 162. a second one-way valve; 17. a heating member; 18. an inner barrel; 19. an impeller; 191. an air flow channel.

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", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings only for the convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 a specific case to those of ordinary skill in the art.

The washing machine 10 and a control method of the washing machine 10 according to some embodiments of the present invention will be described with reference to the drawings.

The washing machine 10 can be any structural form such as a pulsator washing machine 10, a drum washing machine 10, a washing and drying integrated machine and the like.

An embodiment of a first aspect of the present invention provides a washing machine 10, which includes an outer tub 11, a cover 12, and a drying assembly 13.

As shown in fig. 1 and 2, the outer tub 11 has a tub opening and a drain opening 111. In detail, taking the pulsator 19 washing machine 10 as an example, the tub opening is located at the upper end of the outer tub 11, and the drain opening 111 is located on the bottom wall of the outer tub 11 to achieve thorough drainage.

The cover 12 is lockably provided on the outer tub 11 to open and close the opening. The cover 12 is not an outer cover provided on the casing of the washing machine 10 to open and close the laundry inlet, but an inner cover provided on the outer tub 11 to prevent wash water from overflowing during washing. The cover 12 may be locked to the outer tub 11 by a snap, a latch, an electromagnet, etc. to prevent the cover 12 from being released when the washing machine 10 is operated.

The drying assembly 13 includes an air supply member 131 and a drying duct 132 communicated with the air supply member 131, the drying duct 132 is communicated with the drain opening 111, wherein, when the air supply member 131 supplies air to the tub 11 through the drying duct 132, the cover 12 closes the tub opening.

For example, the air supply member 131 is a blower.

In the invention, the air supply member 131 works to drive air to flow along the drying pipeline 132 and enter the outer tub 11 through the water outlet 111, and the air flows to take away water in the water outlet 111 and the outer tub 11, so that the periphery of the water outlet 111 and the outer tub 11 are dried, drying in the outer tub 11 is facilitated, and the problems of bacterial breeding and secondary pollution caused in the outer tub 11 are avoided; and when dry, only need start air feed spare 131 can for drying operation is simple, and drying efficiency is high, effectual. Through setting up the gas supply piece 131, be favorable to accelerating gaseous flow velocity and intensity, be favorable to improving drying rate. And because the drying duct 132 is communicated with the water outlet 111, the dead space around the water outlet 111 and the bottom of the tub 11 can be dried well, so that the tub 11 can be dried more thoroughly and more hygienically.

Meanwhile, when the gas supply member 131 supplies gas to the outer barrel 11, the cover 12 is kept in a closed state, so that the gas is prevented from overflowing out of the machine body rapidly, the gas can move in the outer barrel 11 sufficiently and is in contact with water vapor in the barrel to dry the outer barrel 11, and meanwhile, the situation that high-humidity gas flees in the machine body to cause damp damage to parts is avoided. The situation that the cover body 12 impacts the outer barrel 11 due to repeated loosening of the impact of the gas is avoided, and the noise of the product is reduced.

On the basis of the above embodiment, the present embodiment further provides:

the air supply member 131 is installed on the outer tub 11, on one hand, the outer tub 11 provides an installation position for the air supply member 131 to realize the installation of the air supply member 131, and on the other hand, the air supply member 131 increases the balance weight of the outer tub 11, so that the center of gravity of the outer tub 11 moves downward, and the outer tub 11 is more stable and is not easy to shake.

Furthermore, the air supply member 131 is arranged at the bottom of the outer barrel 11, so that the space at the lower part of the outer barrel 11 is fully utilized, the increase of the circumferential size of the machine body is avoided, the position of the air supply member is closer to the water outlet 111, the length of the drying pipeline 132 is favorably shortened, the material consumption is saved, the cost is reduced, the flowing resistance of air is reduced, the air has higher flowing speed, the outer barrel 11 can be dried more quickly at higher flowing speed, the drying speed is increased, and the energy conservation and emission reduction are realized.

On the basis of any one or more of the above embodiments, the present embodiment further provides:

the washing machine 10 further includes a drain valve 14 and a connection pipe 15. One end of the connecting pipe 15 is arranged at the water outlet 111, and the other end is used for installing the water supply and discharge valve 14, so that the connecting pipe 15 is communicated with the water discharge valve 14 and the water outlet 111, and the installation stability of the water discharge valve 14 is improved. For example, the connection tube 15 is mounted on the outer tub 11 by welding, bonding, clamping, or the like, or the connection tube 15 and the outer tub 11 are integrally formed.

An air inlet 151 is provided on a sidewall of the connection pipe 15, and the drying duct 132 is communicated with the air inlet 151. The connection pipe 15 is formed like a three-way structure in such a manner that opposite ends of the connection pipe 15 communicate with the drain port 111 and the drain valve 14, and the air inlet 151 on the side wall communicates with the drying duct 132.

In the dry in-process of bucket, the drive gas of air feed spare 131 work flows and gets into in the connecting pipe 15 along drying tube 132 and through air inlet 151, and then get into in outer bucket 11 through outlet 111, can understand, connecting pipe 15, drain valve 14 department all leaves sewage easily, the narrow and small sewage residual time in its space is longer, breed the bacterium more, and conventional bucket drying method all can't be to connecting pipe 15, drain valve 14 plays the effect, this embodiment is through communicating drying tube 132 to connecting pipe 15 department, through connecting pipe 15 and outlet 111 outside bucket 11 in the air feed, when the realization is dry in outer bucket 11, to connecting pipe 15, the dry of having realized that drain valve 14 is also all fine, avoid breeding of bacterium, promote the health nature and the cleaning property of product.

Further, in order to prevent the washing water from flowing backward from the air inlet 151 during the washing and/or draining process, a first check valve 161 is disposed at the drying duct 132 and/or the air inlet 151, and the first check valve 161 is used for one-way communication of the drying duct 132 to the direction of the connection pipe 15. Thereby effectively preventing the drying pipeline 132 and the air supply member 131 from water inflow and ensuring the service life of the parts. Meanwhile, the drying performance of the drying pipeline 132 is guaranteed, and secondary pollution of the drying pipeline 132 is avoided.

On the basis of any one or more of the above embodiments, the present embodiment further provides:

the drying duct 132 includes a first duct 1321 and at least one second duct 1322. The first pipe 1321 communicates with the air supplier 131 and the drain opening 111, and the second pipe 1322 communicates with the air supplier 131 and the tub bottom of the tub 11. The aperture of the water outlet 111 is limited, but air is supplied from the water outlet 111 to the tub 11, which is relatively low in efficiency and relatively slow in drying speed, in this embodiment, the first pipeline 1321 is arranged to communicate with the water outlet 111 to dry the area around the water outlet 111, and the second pipeline 1322 is further arranged to directly communicate with the bottom wall of the tub 11, so that a part of the air generated by the air supply member 131 flows through the first pipeline 1321, and the other part of the air enters the tub 11 along the bottom wall of the tub 11 through the second pipeline 1322, which has a good drying effect on the stubborn area of the bottom wall of the tub 11, and improves the air intake efficiency and drying efficiency, shortens the drying time, and realizes energy saving and emission reduction.

Further, the drying duct 132 further includes a main duct 1323 communicating with the air supply member 131, the first duct 1321 and the at least one second duct 1322 are respectively communicated with the main duct 1323, and the main duct 1323 is provided with the heating member 17. The air supply part 131 is only required to be communicated with the main pipeline 1323, the installation is more convenient, and meanwhile, the heating part 17 is arranged on the main pipeline 1323 and can heat all air, so that the air supply device is more convenient and energy-saving.

Further, a switch is provided on the main pipe 1323, and the switch is used for opening or closing the main pipe 1323. Further, the switch is a second check valve 162, which also prevents the wash from flowing backward.

In some embodiments, it is provided that the second check valve 162 is kept open during the tub drying process, and the first check valve 161 is kept open for a preset time and then closed.

The arrangement is favorable for improving the protection of the area around the water outlet 111, and prevents the parts of the water outlet 111 accessories, such as the connecting pipe 15 and the drain valve 14 from aging and the like due to long-time heating, so as to prolong the service life of the parts, and on the other hand, the first pipeline 1321 is closed, so that the gas is discharged into the outer barrel 11 through the second pipeline 1322, thereby further improving the flow rate of the gas in the second pipeline 1322 while not changing the power of the gas supply part 131, further promoting the accelerated evaporation of the moisture, and improving the drying efficiency of the outer barrel 11.

On the basis of any one or more of the above embodiments, the present embodiment further provides:

the washing machine 10 further includes an inner tub 18, and the inner tub 18 is rotatably provided in the outer tub 11. A gap is provided between the inner tub 18 and the outer tub 11. The inner tub 18 is provided with a plurality of through holes communicating with the outer tub 11. The air entering the outer barrel 11 can further enter the inner barrel 18 along the through holes on the inner barrel 18, and the inner barrel 18 is dried.

Further, when the air supply member 131 supplies air to the outer tub 11 through the drying duct 132, the inner tub 18 rotates to drive the air into the inner tub 18 along the through holes.

The air is further driven to flow in an accelerated manner by the rotation of the inner tub 18, and the air is accelerated to flow into the inner tub 18 by the centrifugal force generated by the rotation of the inner tub 18, thereby promoting the drying of the inner tub 18.

Furthermore, a rotatable impeller 19 is provided in the inner tub 18, at least some of the through holes are provided on the bottom wall of the inner tub 18, and a plurality of air flow passages 191 communicating with the through holes on the bottom wall of the inner tub 18 are provided on the impeller 19.

Through set up airflow channel 191 on impeller 19 for gas can also dry impeller 19, and further dry interior bucket 18 in getting into interior bucket 18 along airflow channel 191.

On the basis of any one or more of the above embodiments, the present embodiment further provides:

the cover 12 is provided with a plurality of air holes. The cover body 12 is provided with air holes, so that part of air can be discharged out of the outer barrel 11 along the air holes, and the danger caused by overhigh air pressure in the outer barrel 11 is avoided.

On the basis of any one or more of the above embodiments, the present embodiment further provides:

the cover 12 is provided with a temperature measuring device.

The temperature measuring device detects the temperature of the cover 12, so as to determine the dryness of the outer tub 11, and control the operation of the air supply part 131 according to the detected result.

On the basis of any one or more of the above embodiments, the present embodiment further provides:

when the air supply member 131 stops supplying air to the outer tub 11, the cover 12 is unlocked at the bung of the outer tub 11. The lid 12 is thus automatically unlocked after the barrel is dried, facilitating subsequent use by the user.

Further, the outer tub 11 and/or the cover 12 are provided with an ejection mechanism, and when the cover 12 is unlocked, the ejection mechanism ejects the cover 12 to the opening of the outer tub 11. Thus, the cover 12 is more favorable for ventilation of the outer tub 11 after being bounced open.

For example, the pop-up mechanism is an electromagnetic element, one of the outer tub 11 and the cover 12 is provided with a magnetic element, and the other is provided with an electromagnetic valve, when the electromagnetic valve is energized, the electromagnetic valve attracts the magnetic element, so that the outer tub 11 and the cover 12 are locked, and when the electromagnetic valve is energized in a reverse direction, the electromagnetic valve removes the magnetic element, so that the cover 12 pops up.

A second aspect of the present invention provides a control method of a washing machine 10, which is suitable for the washing machine 10 of any one of the above embodiments, and includes the following steps:

in response to the tub drying command, the control cover 12 is locked to the outer tub 11, and controls the air supply member 131 to supply air to the outer tub 11 through the drying duct 132.

In the invention, the air supply member 131 works to drive air to flow along the drying pipeline 132 and enter the outer tub 11 through the water outlet 111, and the air flows to take away water in the water outlet 111 and the outer tub 11, so that the periphery of the water outlet 111 and the outer tub 11 are dried, drying in the outer tub 11 is facilitated, and the problems of bacterial breeding and secondary pollution caused in the outer tub 11 are avoided; and when dry, only need start air feed spare 131 can for drying operation is simple, and drying efficiency is high, effectual. Through setting up the gas supply piece 131, be favorable to accelerating gaseous flow velocity and intensity, be favorable to improving drying speed. And since the drying duct 132 is communicated with the drain outlet 111, the dead space around the drain outlet 111 and the bottom of the tub 11 can be dried well, so as to dry the tub 11 more thoroughly and more sanitarily.

Meanwhile, when the gas supply member 131 supplies gas to the outer barrel 11, the cover 12 is kept in a locking state, so that the gas is prevented from overflowing out of the machine body rapidly, the gas can move in the outer barrel 11 sufficiently and is in contact with water vapor in the barrel to dry the outer barrel 11, and meanwhile, the situation that high-humidity gas flees in the machine body to cause damp damage to parts is avoided. The situation that the cover body 12 impacts the outer barrel 11 due to repeated loosening of the impact of the gas is avoided, and the noise of the product is reduced.

Further, while controlling the air supplier 131 to supply air to the tub 11 through the drying duct 132, the method further includes: the inner tub 18 and/or the pulsator 19 are controlled to rotate.

The air is further accelerated by the rotation of the inner tub 18, and accelerated by the centrifugal force generated by the rotation of the inner tub 18 to flow into the inner tub 18, thereby promoting the drying of the inner tub 18.

On the basis of any one or more of the above embodiments, the present embodiment further provides:

before the step of controlling the air supply 131 to supply air to the outer tub 11 through the drying duct 132, the method further includes:

acquiring the state of the cover body 12;

if the cover 12 is in the locked state, the control of the air supply member 131 is performed to supply air to the outer tub 11 through the drying duct 132, otherwise, the operation of the air supply member 131 is suspended and an alarm is issued.

Before the air supply member 131 starts to work, it is determined whether the cover 12 is in a locked state, which is beneficial to ensuring the operational reliability of the product.

On the basis of any one or more of the above embodiments, the present embodiment further provides: while controlling the air supplier 131 to supply air to the tub 11 through the drying duct 132, the present invention further includes:

controlling the heating element 17 to heat the gas and detecting the temperature of the cover body 12 in real time;

when the detected temperature is less than or equal to the first preset temperature, the gas supply member 131 is controlled to stop working, and the pop-up mechanism is controlled to pop up the cover 12.

When the detected temperature is less than or equal to the first preset temperature, the surface of the tub is dried, and the air supply member 131 and the heating member 17 are controlled to stop working, so that the tub 11 can be better ensured to be dried completely.

For example, the first predetermined temperature is in a range of 35 ℃ to 50 ℃.

Further, still include:

when the detected temperature is greater than or equal to a second preset temperature, controlling the heating element 17 to stop working, and controlling the gas supply element 131 to continue working;

the first preset temperature is less than the second preset temperature.

When the detected temperature is greater than or equal to the second preset temperature, the temperature in the wire barrel is too high, documents are easily triggered, and therefore the heating element 17 is controlled to stop working, so that the air supply element 131 drives air with low relative temperature into the outer barrel 11, the outer barrel 11 is cooled, and the use safety of products is guaranteed.

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 washing machine, characterized by comprising:

an outer tub having a tub opening and a drain opening;

the cover body can be arranged on the outer barrel in a locking way to open and close the barrel opening;

the drying assembly comprises an air supply part and a drying pipeline communicated with the air supply part, the drying pipeline is communicated with the water outlet, wherein, when the air supply part supplies air to the outer barrel through the drying pipeline, the cover body is closed at the barrel opening.

2. The washing machine as claimed in claim 1, further comprising:

a drain valve;

the connecting pipe is communicated with the drain valve and the water outlet, an air inlet is formed in the side wall of the connecting pipe, and the drying pipeline is communicated with the air inlet;

preferably, a first one-way valve is arranged on the drying pipeline and/or the air inlet and is used for one-way communication of the drying pipeline to the direction of the connecting pipe.

3. The washing machine as claimed in claim 1 or 2, wherein the drying duct comprises:

a first pipe communicating with the air supply member and the water discharge port;

at least one second duct communicating with the air supply member and a tub bottom of the outer tub;

preferably, the drying pipeline further comprises a main pipeline communicated with the air supply part, the first pipeline and the at least one second pipeline are respectively communicated with the main pipeline, and the main pipeline is provided with a heating part.

4. The washing machine as claimed in claim 1 or 2, further comprising:

the inner barrel is rotatably arranged in the outer barrel and is provided with a plurality of through holes communicated with the outer barrel;

when the air supply piece supplies air to the outer barrel through the drying pipeline, the inner barrel rotates to drive air to enter the inner barrel along the through holes;

preferably, a rotatable impeller is arranged in the inner barrel, at least part of the through holes are arranged on the bottom wall of the inner barrel, and a plurality of airflow channels communicated with the through holes on the bottom wall of the inner barrel are arranged on the impeller.

5. A washing machine according to claim 1 or 2,

a plurality of air holes are formed in the cover body; and/or

The cover body is provided with a temperature measuring device.

6. A washing machine according to claim 1 or 2,

when the air supply piece stops supplying air to the outer barrel, the cover body is unlocked at the barrel opening of the outer barrel;

preferably, the outer tub and/or the cover are/is provided with an ejection mechanism, and when the cover is unlocked, the ejection mechanism ejects the cover to the tub opening of the outer tub.

7. A control method of a washing machine, applied to the washing machine of any one of claims 1 to 6, characterized by comprising the steps of:

and responding to a barrel drying instruction, controlling the cover body to be locked on the outer barrel, and controlling the air supply piece to supply air to the outer barrel through the drying pipeline.

8. The control method of a washing machine according to claim 7, further comprising, before the step of controlling the air supplier to supply air to the tub through a drying duct:

acquiring the state of the cover body;

if the cover body is in a locking state, the control of the air supply piece to supply air to the outer barrel through the drying pipeline is executed, otherwise, the work of the air supply piece is suspended and an alarm is sent out.

9. The control method of a washing machine according to claim 7 or 8,

when the control air feed spare through the stoving pipeline to outer bucket air feed still includes: controlling the inner barrel and/or the impeller to rotate;

preferably, the heating element is controlled to heat the gas and detect the temperature of the cover body in real time while the gas supply element is controlled to supply gas to the outer tub through the drying pipeline;

when the detected temperature is less than or equal to a first preset temperature, the gas supply piece is controlled to stop working, and the ejection mechanism is controlled to eject the cover body.

10. The control method of a washing machine according to claim 9, further comprising:

when the detected temperature is greater than or equal to a second preset temperature, controlling the heating element to stop working, and controlling the gas supply element to continue working;

the first preset temperature is less than the second preset temperature.

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