CN108642794B

CN108642794B - Washing machine and control method thereof

Info

Publication number: CN108642794B
Application number: CN201810299609.1A
Authority: CN
Inventors: 田云; 张圣彤; 于元元; 李威海; 王京
Original assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2018-04-04
Filing date: 2018-04-04
Publication date: 2022-09-09
Anticipated expiration: 2038-04-04
Also published as: CN108642794A

Abstract

The invention discloses a washing machine and a control method thereof. The washing machine comprises a balance ring and an ultraviolet sterilization device, wherein the balance ring is arranged on a barrel opening of an inner barrel, the balance ring is provided with a structure for accommodating/installing the ultraviolet sterilization device, so that clothes in the inner barrel are sterilized and disinfected by ultraviolet radiation emitted by the ultraviolet sterilization device, and the control method of the washing machine is also provided. The invention has the advantages that the clothes can be fully irradiated by the ultraviolet light emitted by the evenly distributed ultraviolet balls for sterilization in the washing process; the ultraviolet ball is combined with the balance ring to provide a balance function and a sterilization function; the ultraviolet sterilization device is detachable, and can realize a plurality of sterilization modes through a control method.

Description

Washing machine and control method thereof

Technical Field

The invention belongs to the field of household appliances, and particularly relates to a washing machine and a control method thereof.

Background

Washing machines usually install ultraviolet disinfection lamps inside the washing machine cover or at fixed positions such as the impeller to realize the disinfection of clothes inside the washing machine, and due to the poor ultraviolet penetration ability, only the irradiated places can be disinfected in the washing process.

The washing machine is internally provided with a single ultraviolet lamp, so the radiation range is limited, and the clothes in the washing barrel are in a moving state, under the condition, the irradiation time is too short, and the thorough disinfection effect is difficult to realize.

The prior art discloses an ultraviolet ball, which has a power supply and a circuit structure inside, and can emit ultraviolet light after being triggered, and the ultraviolet ball is put into a washing barrel to be washed together with clothes in the washing process, so as to achieve the purpose of fully irradiating the clothes.

However, the ultraviolet balls are directly placed in the washing tub during the washing process, so that the distribution mode of the ultraviolet balls cannot be controlled, the clothes cannot be uniformly irradiated, the full sterilization effect is lost, and part of clothes cannot be washed together with the washing balls during the washing process, so that the clothes are prevented from being damaged.

Meanwhile, the ultraviolet ball is in a spherical structure and can freely roll in the barrel, and the property also becomes a property which can be utilized to improve the balance problem in the washing process.

In sum, the ultraviolet ball needs to be placed at a more proper position to fully exert the function of the ultraviolet ball.

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

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a washing machine and a control method thereof.

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

a washing machine comprises a balance ring and an ultraviolet sterilization device, wherein the balance ring is arranged on a barrel opening of an inner barrel and is provided with a structure for containing/installing the ultraviolet sterilization device, so that clothes in the inner barrel are sterilized and disinfected through ultraviolet radiation emitted by the ultraviolet sterilization device.

The bottom of the balance ring is provided with a mounting structure, and the ultraviolet sterilization device is detachably mounted on the mounting structure of the balance ring.

The ultraviolet sterilization device comprises a plurality of ultraviolet balls, the mounting structure is a retainer arranged at the bottom of the balance ring, and a plurality of fixing positions for mounting the ultraviolet balls are arranged on the retainer;

preferably, the fixing locations are evenly distributed along the circumference of the balancing ring.

The retainer and the inner barrel are coaxially arranged and have an annular structure, the fixing positions are hemispherical grooves, the fixing positions are circumferentially and uniformly distributed on the retainer, and the retainer is provided with a transparent part which can enable the ultraviolet balls to radiate on clothes in the inner barrel.

The holder and the inner barrel are coaxially arranged and have an annular structure, the fixing position is through holes with the diameter of the bottom of the holder slightly smaller than that of the ultraviolet balls, the through holes are circumferentially and uniformly distributed on the holder, and the ultraviolet balls are embedded into the fixing position and partially extend out of the holder to irradiate clothes.

The ultraviolet sterilization device comprises one or more ultraviolet balls, the mounting structure is an annular accommodating body made of transparent materials, the annular accommodating body is provided with an annular cavity capable of accommodating the ultraviolet balls to freely roll, and the annular accommodating body and the inner barrel are coaxially arranged.

The annular accommodating body is detachably connected with the balance ring; preferably, the annular surface of the annular accommodating body close to the balance ring is of an open structure, and the ultraviolet ball can be put in/taken out of the open structure for adjustment after the annular accommodating body is detached from the balance ring.

The ultraviolet sterilization device comprises one or more ultraviolet balls, the balance ring is provided with an upper shell and a lower shell, at least one first annular cavity used for containing the ultraviolet balls to freely roll is formed between the upper shell 21 and the lower shell, and the first annular cavity is provided with a transparent part so that clothes in the ultraviolet radiation inner barrel sent by the ultraviolet sterilization device can be sterilized and disinfected.

Preferably, the bottom side wall of the first annular cavity is transparent or the whole first annular cavity is transparent, so that light rays emitted by the ultraviolet ball can be radiated on the clothes in the inner barrel.

At least one second annular cavity used for containing balance liquid is formed between the upper shell 21 and the lower shell of the balance ring, and the first annular cavity and the second annular cavity are arranged in parallel up and down and/or in concentric ring type.

A control method of the washing machine is that the washing machine can be started/stopped during washing, and the washing machine can sterilize the clothes after being started.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

(1) The clothes in the washing process can be fully irradiated by ultraviolet light emitted by the uniformly distributed ultraviolet balls, so that a good sterilization effect is achieved;

(2) the ultraviolet ball can be combined with the original balance device while sterilizing, balance assistance is provided for the inner barrel, the volume of the inner barrel is not greatly occupied, and two purposes are achieved at one time;

(3) the ultraviolet sterilization device is detachable, the number and the arrangement of the ultraviolet balls can be changed, and the setting can be changed in response to different scenes, so that the requirement that clothes cannot be worn is met;

(4) the ultraviolet sterilizing ball can realize various sterilizing modes through a control method.

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 schematic view of the ultraviolet device under the balance ring of the washing machine of the present invention;

FIG. 2 is a schematic view of the gimbal and cage of the present invention;

FIG. 3 is a schematic view of the gimbal and cage of the present invention;

FIG. 4 is a schematic view of the cage of the present invention;

FIG. 5 is a schematic view of the annular containment body of the present invention;

FIG. 6 is a schematic cross-sectional view of a gimbal of the present invention;

FIG. 7 is a schematic cross-sectional view of a gimbal of the present invention;

fig. 8 is a schematic cross-sectional view of a gimbal of the present invention.

In the figure:

1. an inner barrel;

2. a balance ring; 21. an upper housing; 22. a lower housing; 23. a first ring cavity; 24. second annular chamber

3. An ultraviolet ball;

4. a cage; 41. fixing the position;

5. an annular containing body; 51. an annular cavity.

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.

The present invention relates to a washing machine having a sterilization and disinfection function.

The washing machine comprises an inner barrel 1, wherein a balance ring 2 is arranged at the barrel opening part of the inner barrel 1, and the balance ring 2 is used for correcting the deviation of the inner barrel 1 in the rotating process.

The sterilization and disinfection functions of the washing machine are realized by the ultraviolet sterilization device. The ultraviolet sterilization device comprises an ultraviolet ball 3.

The ultraviolet ball 3 comprises a sealed shell which is transparent to ultraviolet rays, an ultraviolet ray generating device is fixed in the sealed shell, and the ultraviolet rays generated by the ultraviolet ray generating device penetrate through the sealed shell to irradiate to the outside.

The ultraviolet generating device comprises a light emitting module, a trigger unit, a control module, a power supply module and the like.

The power module comprises a wireless charging device and/or an autonomous power generation device, and the ultraviolet ball 3 can complete the charging process without an external circuit.

The ultraviolet ball 3 can also comprise a sensor for detecting the motion state of the ultraviolet ball and the like, and is connected with the control module.

The trigger unit can also comprise a wireless communication unit, the wireless communication unit is connected with the control module, the wireless communication unit is wirelessly connected with a control terminal of the washing machine, and the ultraviolet ball 3 can be controlled through a wireless signal.

The washing machine fixes the ultraviolet ball 3 at the bottom of the balance ring 2 through a mounting structure which is detachable. The ultraviolet sterilization device can radiate ultraviolet rays to the clothes in the inner barrel 1 and sterilize the clothes.

The ultraviolet sterilization device comprises a plurality of ultraviolet balls 3, and the number of the ultraviolet balls 3 is selected according to requirements and structures. The ultraviolet ray needs to be fixed at the bottom of the balance ring 2, the mounting structure can be provided with one mounting structure for each ultraviolet ray ball 3, the ultraviolet ray balls 3 are respectively mounted at the lower part of the balance ring 2, and the best sterilization effect is achieved by adjusting the number and the positions of the ultraviolet ray balls 3.

The ultraviolet balls 3 are uniformly distributed on the circumference of the balance ring 2 to keep balance.

The ultraviolet ball 3 can also be fixed at the bottom of the balance ring 2 through an integrally formed retainer 4.

Example one

Fig. 2 to 3 show an embodiment of a cage according to the present invention.

As shown in fig. 2 to 3, a holder 4 is provided at a lower portion of the balance ring 2, and the holder 4 is used for mounting the ultraviolet ball 3 at the lower portion of the balance ring 2 and irradiating ultraviolet rays to the inside of the inner tub 1.

The retainer 4 and the balance ring 2 also have an annular structure, and the annular structure ensures that the retainer 4 and the balance ring 2 can be integrated into a whole when the retainer is arranged at the bottom of the balance ring 2, so that more washing space is not occupied; the cage 4 is arranged coaxially with the gimbal ring 2.

The holder 4 fixes the ultraviolet balls 3 by providing a plurality of fixing positions 41.

Because of the balance requirement of the balance ring 2 and the inner barrel 1, the fixing positions 41 are uniformly distributed along the circumferential direction of the balance ring 2, and the fixing positions 41 are uniformly distributed on the retainer 4 in the circumferential direction. After the ultraviolet balls 3 of the same specification are placed in the fixing positions 41, the whole is in a balanced state.

The fixing position 41 is a through hole with the diameter of the bottom of the retainer 4 slightly smaller than that of the ultraviolet ball 3, or the ultraviolet ball 3 can be clamped in the hole inside the retainer 4, and after the ultraviolet ball 3 is placed at the fixing position 41, the bottom of the ultraviolet ball 3 can extend out of the through hole, so that ultraviolet shielding can not be realized, and the inside of the inner barrel 1 can still be irradiated.

Ultraviolet ball 3 is placing fixed position 41 back, and ultraviolet ball 3 still can rotate at fixed position 41, and the benefit of setting like this is when the clothing rubs with gimbal 2 in the washing process, and the friction can be alleviated to a certain extent to the rotation of ultraviolet ball 3 to play the purpose of protection clothes.

The retainer 4 is detachably arranged at the lower part of the balance ring 2 and can be connected by a buckle or a bolt and the like.

Because the ultraviolet ball 3 partially extends out of the through hole, partial ultraviolet light can be irradiated on the clothes, and the holding frame 4 can be made of transparent materials or non-transparent materials.

Example two

The present embodiment is different from the first embodiment in that: the fixing position 41 is a groove, and the holder 4 has a transparent structure. As shown in fig. 4.

The grooves are preferably hemispherical grooves to better secure the ball and facilitate placement and removal. The fixing sites 41 are circumferentially and uniformly distributed on the holder 4.

Since the holder 4 is not provided with a through hole, a transparent portion is necessary for transmitting the ultraviolet light. The entire holder 4 may be made of a transparent material, or may be made transparent at a portion where ultraviolet light is required to transmit.

The invention also comprises a structure for accommodating the ultraviolet ball 3, and the clothes in the barrel are sterilized and disinfected by the ultraviolet radiation emitted by the ultraviolet sterilization device.

EXAMPLE III

In this embodiment, an annular accommodating body 5 is arranged at the bottom of the balance ring 2, and the ultraviolet ball 3 can freely roll in an annular cavity 51 formed by the annular accommodating body 5.

Fig. 5 is a cross-sectional view of the annular accommodating body 5, the middle part of the annular accommodating body 5 forms an annular chamber after being installed under the balancing ring 2, the chamber formed by the annular accommodating body 5 has a bottom and a side enclosure, and the upper part of the annular accommodating body 5 has an open structure, so that the ultraviolet ball 3 can be conveniently placed in and installed with the balancing ring 2.

The ultraviolet ball 3 is placed in the annular accommodating body 5, and the annular accommodating body 5 needs to be made of a material which can transmit ultraviolet light, so that the ultraviolet ball 3 can roll in the annular accommodating body 5 and can provide enough ultraviolet light for the inner barrel 1 to disinfect clothes.

One or more ultraviolet balls 3 can be placed in the annular accommodating body 5, the balls roll freely in the annular chamber, and the balance ring 2 and the balance ball together play a role in correcting the balance of the inner barrel 1.

Since the annular receiving body 5 and the balance ring 2 together constitute a balance member, the annular receiving body 5 is coaxially disposed with the balance ring 2/inner barrel 1 to maintain balance.

The annular accommodating body 5 is detachably connected with the balance ring 2; preferably, the annular face of the annular accommodating body 5 close to the balance ring 2 is of an open structure, and the ultraviolet ball 3 can be put in/taken out of the open structure for adjustment after the annular accommodating body 5 is detached from the balance ring 2.

In this embodiment, the annular cavity in the balancing ring lower part provides the space that is used for balanced rectifying for the ultraviolet ball, has the function of providing disinfection for the clothing of interior bucket through transparent construction again, and the annular body of holding has detachable construction, and the figure etc. of adjustable ultraviolet ball satisfies all kinds of demands according to the demand.

Except that the structure of installing or holding ultraviolet ball 3 is set up at current gimbal 2 bottom, can also combine together ultraviolet ball 3 with gimbal 2 inner structure, constitute gimbal 2 that has more excellent balancing effect, have the effect of disinfecting simultaneously.

The invention also comprises that the ultraviolet ball 3 is arranged inside the balancing ring 2, and the balancing ring 2 is made of materials which are wholly or partially transparent to ultraviolet light.

In the prior art, a ball is arranged in an annular cavity of a balance ring, and the offset of the inner barrel 1 is corrected through the inertia of the ball. The prior art also discloses solutions in which the balancing liquid and the balancing fixture together provide a balancing function inside the balancing ring.

Example four

On the basis of the prior art, the balance ball body is replaced by the ultraviolet ball 3, and part or all of the structure of the balance ring 2 is made of a material capable of transmitting ultraviolet light, so that the balance ring 2 can play a better balance role and can also provide a disinfection and sterilization effect for washed clothes.

As shown in fig. 6-7, the balancing ring 2 has an upper housing 21 and a lower housing 22, and the upper housing 21 and the lower housing 22 are buckled to form a ring cavity. The balance ring 2 at least comprises a first annular cavity 23, and the first annular cavity 23 is used for containing the ultraviolet ball 3.

Fig. 6 is a transverse sectional view of the balance ring 2, and fig. 7 is a longitudinal sectional view of the balance ring 2, and the first annular chamber 23 has an annular structure capable of accommodating the ultraviolet ball 3 to freely roll. The internal dimensions or the cross-sectional shape of the annular chamber can be set as optimum parameters according to the intended purpose or through experimental results.

Still exist among the prior art and set up the dog in the inside of compensating ring 2, cut apart into different cavities with the inside annular chamber of compensating ring 2 to reach better balanced effect, equally can cut apart into different cavities with first annular chamber 23 in this embodiment, be provided with the ultraviolet ball 3 of the same figure according to the demand in the cavity, thereby reach balanced purpose through the effect of the power that produces between ultraviolet ball 3 and the compensating ring wall.

Because the ultraviolet ball 3 is arranged inside the balance ring 2, ultraviolet rays need to irradiate and sterilize the inner barrel 1 through the bottom and/or the inner side of the balance ring 2, and therefore the balance ring 2 needs to use transparent materials at the bottom and/or the inner side to achieve the purpose of light transmission.

As shown in fig. 6, the balance ring 2 is preferably formed in a transparent manner, and the lower casing 22 is preferably made of a transparent material to ensure that the inner barrel 1 can be irradiated by ultraviolet light.

In the embodiment, the ultraviolet ball 3 is used for replacing a liquid/common metal ball in a balance ring in the prior art, the ultraviolet balance ring further has a good sterilization and disinfection effect on the premise of ensuring a good balance effect, other structures are not added, the space of the washing machine is not occupied, and multiple purposes are achieved.

EXAMPLE five

The present embodiment differs from the fourth embodiment only in that at least one second annular chamber 24 for accommodating the balancing liquid is formed between the upper casing 21 and the lower casing 22 of the balancing ring 2.

In this embodiment, at least two annular chambers are included, wherein the first annular chamber 23 is used for containing the ultraviolet ball 3, and the second annular chamber 24 is used for containing the balance liquid.

As shown in fig. 8, two annular cavities are distributed on the inner ring and the outer ring, and the concentric rings are arranged in parallel.

Or the two annular cavities are arranged in parallel up and down.

The first annular cavity 23 of the balance ring 2 at least comprises a transparent structure for ultraviolet rays to penetrate into the inner barrel 1.

The beneficial effect of this embodiment lies in that two kinds of different balanced mediums can have different corresponding speed when interior bucket 1 produces the skew to guarantee more stable deviation rectifying process.

The ultraviolet ball can also be arranged on the inner side of the top cover of the washing machine and is used for irradiating the inner part of the inner barrel so as to realize sterilization of the inner barrel and clothes.

The washing machine can also be a double-barrel washing machine, the double-barrel washing machine is provided with an outer cover and an inner cover, the outer cover covers the outer sides of the tops of the two barrels at the same time, the inner cover covers the tops of the two barrels respectively, and the inner cover is provided with a structure or an installation structure for placing ultraviolet balls;

or the ultraviolet ball is placed or installed on the inner side of the outer cover, the inner cover is made of transparent materials and can pass through ultraviolet light, and the ultraviolet light irradiates the inner part of the inner barrel through the inner cover to realize the sterilization function.

The invention also comprises a control method of the washing machine, wherein the washing machine is as described above.

The ultraviolet sterilization device can be turned on/off during the washing process of the washing machine, and can sterilize the clothes after being turned on.

Due to the different structures of the ultraviolet balls, the washing machine has a corresponding different control method.

For example, the ultraviolet ball is triggered by gravity sensing or momentum sensing, that is, the ultraviolet ball can be triggered when an external force is received, the ultraviolet ball can be triggered when the inner barrel of the washing machine moves, and the light emitting function of the ultraviolet ball is turned off when the inner barrel stops rotating.

Preferably, the ultraviolet ball has a wireless signal receiving terminal, and the washing machine has a control terminal for transmitting a control signal to control the on/off of the ultraviolet ball.

When the washing machine needs to start the disinfection function, the control terminal of the washing machine sends an opening instruction to the ultraviolet ball through the wireless sending device, the ultraviolet ball receives the instruction and then starts the ultraviolet light generating device through the internal control system and outwards emits ultraviolet light, when the washing machine needs to stop the disinfection function, the control terminal of the washing machine sends a closing instruction to the ultraviolet ball through the wireless sending device, and after the ultraviolet ball receives the instruction, the ultraviolet light generating device is closed through the internal control system.

The control terminal of the washing machine can also control the ultraviolet balls respectively.

The washing machine in the above embodiments may be a pulsator washing machine, a drum washing machine, or other electrical appliances or devices having a balancing function and a sterilizing function.

After the technical scheme is adopted, compared with the prior art, the invention has the beneficial effects that: the clothes in the washing process can be fully irradiated by ultraviolet light emitted by the uniformly distributed ultraviolet balls, so that a good sterilization effect is achieved; the ultraviolet ball can be combined with the original balance device while sterilizing, provides balance assistance for the inner barrel, does not greatly occupy the volume of the inner barrel, and achieves two purposes at one time; the ultraviolet sterilization device is detachable, the number and the arrangement of the ultraviolet balls can be changed, and the setting can be changed to meet different scenes, so that the requirement that clothes cannot be worn is met; the ultraviolet sterilizing ball can realize various sterilizing modes through a control method.

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

1. A washing machine characterized by: the balance ring is arranged on the opening of the inner barrel and has a structure for accommodating/mounting the ultraviolet sterilization device, so that the ultraviolet rays emitted by the ultraviolet sterilization device radiate clothes in the inner barrel to be sterilized and disinfected; wherein

The bottom of the balance ring is provided with an installation structure, the ultraviolet sterilization device is detachably installed on the installation structure of the balance ring, the ultraviolet sterilization device comprises a plurality of ultraviolet balls, the installation structure is a retainer arranged at the bottom of the balance ring, a plurality of fixing positions for installing the ultraviolet balls are arranged on the retainer, and the fixing positions are uniformly distributed along the circumferential direction of the balance ring; or

The bottom of the balance ring is provided with a mounting structure, the ultraviolet sterilization device is detachably mounted on the mounting structure of the balance ring, the ultraviolet sterilization device comprises a plurality of ultraviolet balls, the mounting structure is an annular accommodating body made of transparent materials, the annular accommodating body is provided with an annular cavity capable of accommodating the ultraviolet balls to freely roll, and the annular accommodating body and the inner barrel are coaxially arranged; or

The ultraviolet sterilization device comprises a plurality of ultraviolet balls, the balance ring is provided with an upper shell and a lower shell, at least one first annular cavity used for containing the ultraviolet balls to freely roll is formed between the upper shell and the lower shell, the first annular cavity is provided with a transparent part so that clothes in the inner barrel can be sterilized and disinfected by ultraviolet radiation emitted by the ultraviolet sterilization device, and the bottom side wall or all the bottom side wall of the first annular cavity is transparent so that light emitted by the ultraviolet balls can be radiated on the clothes in the inner barrel.

2. The washing machine as claimed in claim 1, wherein: the retainer and the inner barrel are coaxially arranged and have an annular structure, the fixing positions are hemispherical grooves, the fixing positions are circumferentially and uniformly distributed on the retainer, and the retainer is provided with a transparent part which can enable the ultraviolet balls to radiate on clothes in the inner barrel.

3. The washing machine as claimed in claim 1, wherein: the holder and the inner barrel are coaxially arranged and have an annular structure, the fixing position is a through hole with the diameter of the bottom of the holder slightly smaller than that of the ultraviolet ball, the through holes are evenly distributed on the holder in the circumferential direction, and the ultraviolet ball is embedded into the fixing position and partially extends out of the holder to irradiate clothes.

4. The washing machine as claimed in claim 1, wherein: the annular accommodating body is detachably connected with the balance ring;

the annular accommodating body is of an open structure close to the annular surface of the balance ring, and the ultraviolet ball can be placed in or taken out of the open structure for adjustment after being detached from the balance ring.

5. The washing machine as claimed in claim 1, wherein: at least one second annular cavity used for containing balance liquid is formed between the upper shell and the lower shell of the balance ring, and the first annular cavity and the second annular cavity are arranged in parallel up and down and/or in concentric annular parallel.

6. A control method of a washing machine according to any one of claims 1 to 5, characterized in that: the ultraviolet sterilization device can be turned on/off during the washing process of the washing machine, and can sterilize the clothes after being turned on.