CN117822260A - Washing machine ventilation device, washing machine and control method of washing machine ventilation device - Google Patents

Abstract

The invention discloses a ventilating device of a washing machine, the washing machine and a control method thereof, wherein the ventilating device comprises a ventilating shell, wherein mutually independent channels are arranged in the ventilating shell, and the ventilating shell comprises an air inlet channel which is used for leading in external air and then discharging the external air into an outer cylinder of the washing machine through an external pipeline; the air outlet channel is used for guiding air in the outer cylinder of the washing machine into the air outlet channel and guiding the air out of the outer cylinder of the washing machine through an external pipeline; the ventilation device further comprises an on-off valve assembly which is arranged in the ventilation shell and used for opening or closing the air inlet channel and the air outlet channel. The on-off valve assembly is arranged in the ventilation shell, so that the on-off of the air inlet channel and the air outlet channel in the ventilation shell can be conveniently controlled, the on-off valve assembly is not required to be temporarily arranged in the washing machine when the ventilation device is arranged, the circulating flow of air inside the outer cylinder of the washing machine and outside the washing machine can be realized only by arranging the external pipeline, the dehumidification efficiency in the outer cylinder is improved, and the ventilation device has the advantages of simple structural design, convenience in installation and convenience in arranging the external pipeline of the outer cylinder.

Description

Washing machine ventilation device, washing machine and control method of washing machine ventilation device

Technical Field

The invention belongs to the field of washing machines, and particularly relates to a ventilating device of a washing machine, the washing machine and a control method of the ventilating device.

Background

In the prior art, after washing is completed, the interior of the drum assembly is moist, bacteria are easy to breed and peculiar smell is easy to generate, and the problem of secondary pollution to the subsequently washed clothes can be generated.

In order to solve the technical problems, in the washing machine with the drying function, a drying module in the washing machine is adopted for ventilation in the end of washing, and the air is circulated and blown in the closed cylinder assembly by a fan of the dryer, so that water vapor is still circulated between a drying air channel and an outer cylinder, and the dehumidification efficiency is very low; if the dehumidifying efficiency is improved by means of the heating device in the drying module, the drying module assembly needs to be started every time, so that the energy consumption of the washing machine is seriously increased, and the service life of the heating device is shortened.

In a washing machine without a drying function, the invention discloses a drum washing machine and a ventilation method thereof, wherein the Chinese patent with the application number of 201510570550.1 discloses a drum washing machine, which comprises an outer drum, a shell and an inner drum; the outer cylinder is arranged in the shell, and the inner cylinder is arranged in the outer cylinder and can rotate; the washing machine also comprises a washing agent box assembly, wherein the washing agent box assembly comprises an air inlet channel, an air outlet channel and a fan, one end of the air inlet channel is communicated with the inside of the outer cylinder, and the other end of the air inlet channel is fixedly arranged on the shell and communicated with the outside atmosphere; one end of the air outlet channel is communicated with the inside of the outer cylinder, and the other end of the air outlet channel is fixedly arranged on the shell and communicated with the outside atmosphere; the fan is positioned on the air inlet channel or the air outlet channel. This scheme is although can realize forming air circulation system between air inlet channel, urceolus, air-out passageway and washing machine outside air, accelerates the inside dehumidification of washing machine, but need set up air inlet pipeline, air-out pipeline in the washing machine casing, the pipeline is arranged in disorder, inconvenient installation, additionally occupies the inner space of washing machine casing, occupies the installation space of other parts in the casing in a large number. And the on-off valve is required to be arranged in the elastic pipeline to control the on-off of the air inlet pipeline and the air outlet pipeline, and the on-off valve is inconvenient to be arranged in the pipeline because the pipeline cannot be completely fixed and has certain elasticity, and the pipeline is troublesome to connect and install and inconvenient to operate by workers.

The present invention has been made in view of this.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a ventilating device of a washing machine, wherein an air inlet channel and an air outlet channel are arranged in a ventilating shell of the ventilating device, an on-off valve assembly is arranged in a shell, so that the on-off of the air inlet channel and the air outlet channel can be conveniently controlled, the on-off valve assembly is not required to be temporarily arranged in the washing machine when the ventilating device is arranged, external pipelines are only required to be arranged, external air can be led into an outer cylinder through the ventilating device, and then the air in the outer cylinder is led out to the outside through the ventilating device, so that the circulating flow of the air inside the outer cylinder and the air outside the washing machine can be realized, the dehumidifying efficiency in the outer cylinder is improved, bacteria and peculiar smell generated in the cylinder assembly due to moisture are prevented, and the ventilating device has simple structural design and convenient installation and is convenient for the installation and fixation of the external pipelines of the outer cylinder.

Another object of the present invention is to provide a washing machine.

Still another object of the present invention is to provide a control method of a washing machine.

In order to solve the technical problems, the invention adopts the basic conception of the technical scheme that: there is provided a ventilating device of a washing machine, including

A ventilation shell, wherein the ventilation shell is internally provided with mutually independent channels, and the channels comprise

The air inlet channel is used for leading in external air and discharging the external air into the outer cylinder of the washing machine through an external pipeline;

the air outlet channel is used for guiding air in the outer cylinder of the washing machine into the air outlet channel and guiding the air out of the outer cylinder of the washing machine through an external pipeline;

the ventilation device further comprises an on-off valve assembly which is arranged in the ventilation shell and used for opening or closing the air inlet channel and the air outlet channel.

According to the invention, the independent air inlet channel and the independent air outlet channel are arranged in the ventilation shell of the ventilation device, the on-off valve component is arranged in the ventilation shell, so that the on-off of the air inlet channel and the air outlet channel can be conveniently controlled, the on-off valve component is not required to be temporarily arranged in the washing machine when the ventilation device is arranged, external pipelines are only required to be arranged, external air can be led into the outer cylinder through the ventilation device, then the air in the outer cylinder is led out to the outside through the ventilation device, the air circulation flow between the inside of the outer cylinder of the washing machine and the outside of the washing machine can be realized, the dehumidification efficiency in the outer cylinder is improved, bacteria and peculiar smell generated in the cylinder component due to moisture are prevented, and the ventilation device has the advantages of simple structural design, convenient installation and convenience in installing the external pipelines of the outer cylinder.

Further, the on-off valve assemblies are respectively and rotatably arranged in the air inlet channel and the air outlet channel and used for blocking or opening the corresponding channels.

Further, the air inlet channel and the air outlet channel are arranged between two ends of the ventilation shell in a parallel extending mode;

the on-off valve components are respectively arranged in the same end of the ventilation shell and used for blocking or opening an air inlet or an air outlet of a corresponding channel.

Further, the two groups of on-off valve assemblies in the air inlet channel and the air outlet channel are coaxially connected, and an air inlet or an air outlet of the corresponding channel is plugged or opened.

Further, the air outlet of the air inlet channel and the air inlet of the air outlet channel are arranged on one end face of the ventilation shell, and the air inlet of the air inlet channel and the air outlet of the air outlet channel are arranged on the other end face of the ventilation shell;

the on-off valve assembly is respectively arranged in one end of the air inlet channel and one end of the air outlet channel, which are close to the ventilation shell.

Further, the on-off valve assembly comprises a rotating shaft, wherein the rotating shaft is respectively and rotatably arranged in the air inlet channel and the air outlet channel;

and the valve plate is respectively arranged in the air inlet channel and the air outlet channel, is correspondingly connected with the peripheral walls of the rotating shafts in the air inlet channel and the air outlet channel, and is correspondingly and abuttingly arranged with the corresponding blocked air inlet or air outlet on one side wall of the valve plate in a blocking state.

Further, the on-off valve assembly further comprises a connecting shaft, the wall of the ventilation shell between the air inlet channel and the air outlet channel is penetrated, and two ends of the wall of the ventilation shell are respectively connected with rotating shafts in the air inlet channel and the air outlet channel to form an integral shaft.

Further, the fan also comprises a driving motor which is arranged on the outer side wall of one end of the ventilation shell; and an output shaft of the driving motor penetrates through the outer side wall of the ventilation shell and is in transmission connection with the integral shaft.

Further, the fan is arranged on the ventilation shell, and one end of the fan is provided with an outlet which is communicated with the air inlet of the air inlet channel.

Further, the air inlet channel and the air outlet channel are arranged side by side in sequence along the transverse direction, the fan is transversely arranged, one end of the fan is arranged on the upper part of the end face of the ventilation shell where the air inlet of the air inlet channel is located, and the air inlet or the air outlet of the air outlet channel is arranged on the lower part of the end face of the ventilation shell.

Further, the ventilation device further comprises a mounting plate transversely arranged in the middle of the end face of the ventilation shell;

the fan is fixed on the upper part of the mounting plate, and an air inlet or an air outlet of the air outlet channel is arranged on the end face of the ventilation shell below the mounting plate.

Further, the device also comprises a detection device for detecting whether the on-off valve assembly closes the channel; the detection device comprises

The body is arranged outside the ventilation shell;

the detection end penetrates through the channel from the body and is matched with the on-off valve assembly, and the detection end is used for receiving the pressing force when the on-off valve assembly rotates to close the channel and is matched with the body to generate a channel closing signal.

Further, the detection end is arranged on the body in a telescopic way;

the on-off valve assembly is provided with a protruding part which is propped against the detection end when the channel is closed, and the protruding part is communicated with the body to trigger the channel to close the signal.

The invention also provides a washing machine, which is provided with the ventilation device.

The invention sets a single ventilation device in the washing machine, sets a channel in the ventilation device and a on-off valve component for controlling the opening and closing of the channel, and can control the on-off of the external air circulation dehumidification channel of the washing machine by connecting the ventilation device on the external air circulation dehumidification pipeline of the washing machine.

The invention also provides a control method of the washing machine with any ventilation device, which comprises the following steps of,

after washing, controlling the on-off valve assembly to simultaneously open the air inlet channel and the air outlet channel for ventilation and dehumidification; after ventilation is finished, the on-off valve assembly is controlled to simultaneously block the air inlet channel and the air outlet channel.

By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects.

(1) According to the invention, the independent air inlet channel and the independent air outlet channel are arranged in the ventilation shell of the ventilation device, the on-off valve component is arranged in the ventilation shell, so that the on-off of the air inlet channel and the air outlet channel can be conveniently controlled, the on-off valve component is not required to be temporarily arranged in the washing machine when the ventilation device is arranged, external pipelines are only required to be arranged, external air can be led into the outer cylinder through the ventilation device, then the air in the outer cylinder is led out to the outside through the ventilation device, the air circulation flow between the inside of the outer cylinder of the washing machine and the outside of the washing machine can be realized, the dehumidification efficiency in the outer cylinder is improved, bacteria and peculiar smell generated in the cylinder component due to moisture are prevented, and the ventilation device has the advantages of simple structural design, convenient installation and convenience in installing the external pipelines of the outer cylinder.

(2) The invention sets a single ventilation device in the washing machine, sets a channel in the ventilation device and a on-off valve component for controlling the opening and closing of the channel, and can control the on-off of the external air circulation dehumidification channel of the washing machine by connecting the ventilation device on the external air circulation dehumidification pipeline of the washing machine.

(3) According to the invention, the ventilation shell is arranged at the bottom of one side of the extension direction of the mounting beam, the power supply control device is arranged at the bottom of the other side of the extension direction of the mounting beam, the first clamping part and the second clamping part are respectively arranged on the ventilation shell and the power supply shell correspondingly, and are clamped in the gaps on two sides of the mounting beam, so that the mounting beam and the ventilation device are preassembled off line firstly and then assembled on the whole machine, the assembly station of the general assembly line body is reduced, the cost is reduced, and the resources are saved.

(4) After washing, the control method of the washing machine controls the on-off valve assembly to simultaneously open the air inlet channel and the air outlet channel for ventilation and dehumidification; after ventilation is finished, the on-off valve assembly is controlled to simultaneously block the air inlet channel and the air outlet channel, the matched structural design is simple, the cost is low, the on-off control method of the two channels is simple, and the channels can be simultaneously opened and closed.

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. In the drawings:

FIG. 1 is a schematic view of a ventilation device of the present invention;

FIG. 2 is a schematic illustration of a ventilation device of the present invention with the upper cover removed;

FIG. 3 is a schematic view of the invention at another angle to FIG. 2;

FIG. 4 is a cross-sectional view of the present invention taken along the direction of extension of the air intake passage of FIG. 2;

FIG. 5 is a cross-sectional view of the present invention taken along the direction of extension of the air intake passage of FIG. 2;

FIG. 6 is a schematic view of an outer tub of a washing machine in accordance with the present invention;

FIG. 7 is a cross-sectional view of FIG. 6 in accordance with the present invention;

FIG. 8 is a schematic view of a drum washing machine according to the present invention;

fig. 9 is a schematic view of the invention at another angle to fig. 8.

In the figure: 1. a ventilation housing; 11. an air inlet channel; 111. a first air inlet; 112. a first air outlet; 12. an air outlet channel; 121. a second air inlet; 122. a second air outlet; 13. a case body; 14. an upper cover; 141. a first clamping part; 15. a partition plate; 16. a mounting plate; 17. an extension plate; 171. an avoidance port; 2. an on-off valve assembly; 21. a first valve plate; 212. a protruding portion; 22. a first rotating shaft; 23. a second valve plate; 24. a second rotating shaft; 25. a connecting shaft; 26. a cup seal; 3. a driving motor; 31. an output shaft; 4. a blower; 41. a fan housing; 42. an inlet; 43. an outlet; 5. a detection device; 51. a body; 52. a detection end; 6. a power supply control device; 61. a power supply housing; 62. a second clamping part; 7. an outer cylinder; 71. a cylinder opening; 72. a window pad; 73. an air inlet; 74. an air outlet; 8. a case; 81. mounting a beam; 811. a notch; 9. and (5) connecting a pipeline externally.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention, and the following embodiments are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 9, the present invention provides a ventilation device for a washing machine, which is used for guiding external air into an outer tub 7 after washing of the washing machine is completed, and guiding the air in the outer tub 7 to the outside, thereby improving the air flow condition in the outer tub 7 and keeping the outer tub 7 dry.

The ventilation device comprises a ventilation shell 1 and an on-off valve assembly 2.

The ventilation shell 1 is internally provided with mutually independent channels, and the channels comprise an air inlet channel 11 and an air outlet channel 12. The air inlet channel 11 is used for guiding in external air and then discharging the external air into the outer cylinder 7 of the washing machine through the external pipeline 9, and the air outlet channel 12 is used for guiding in the air in the outer cylinder 7 of the washing machine and then guiding out the air through the external pipeline 9.

The on-off valve assembly 2 is arranged in the ventilation shell 1 and is used for opening or closing the air inlet channel 11 and the air outlet channel 12.

According to the invention, the independent air inlet channel 11 and the independent air outlet channel 12 are arranged in the ventilation shell 1 of the ventilation device, the on-off valve assembly 2 is arranged in the ventilation shell 1, the on-off of the air inlet channel 11 and the on-off valve assembly 12 are conveniently controlled, the on-off valve assembly 2 is not required to be temporarily arranged in the washing machine when the ventilation device is arranged, external air can be led into the outer cylinder 7 through the ventilation device only by arranging the external pipeline 9, then the air in the outer cylinder 7 is led out to the outside through the ventilation device, the circulation flow of the air inside the outer cylinder 7 and the air outside the washing machine can be realized, the dehumidification efficiency inside the outer cylinder 7 is improved, bacteria and peculiar smell are prevented from being generated inside the cylinder assembly due to moisture, and the ventilation device has the advantages of simple structural design, convenient installation and convenience in arranging the external pipeline 9 of the outer cylinder 7.

As shown in fig. 2 to 5, the on-off valve assembly 2 is rotatably disposed in the air inlet channel 11 and the air outlet channel 12, respectively, and is used for blocking or opening the corresponding channels after rotation.

The air inlet channel 11 is provided with a first air inlet 111 and a first air outlet 112, and the air outlet channel 12 is provided with a second air inlet 121 and a second air outlet 122.

The on-off valve assembly 2 is rotatably arranged in the air inlet channel 11 and the air outlet channel 12 respectively and is used for blocking or opening the corresponding channels after rotation. The on-off valve assembly 2 can control the air inlet channel 11 and the air outlet channel 12 to be opened simultaneously, and can also control the air inlet channel 11 and the air outlet channel 12 to be opened independently.

Further, the air inlet channel 11 and the air outlet channel 12 are arranged between two ends of the ventilation shell 1 in a side-by-side extending mode. The first air inlet 111 and the first air outlet 112 of the air inlet channel 11 are respectively arranged on the end surfaces of the two ends of the ventilation shell 1, and the second air inlet 121 and the second air outlet 122 of the air outlet channel 12 are respectively arranged on the end surfaces of the two ends of the ventilation shell 1.

The on-off valve assembly 2 is respectively arranged in an air inlet channel 11 and an air outlet channel 12 at the same end of the ventilation shell 1 and is used for blocking or opening an air inlet or an air outlet of the corresponding channel.

According to the invention, the air inlet channel 11 and the air outlet channel 12 are arranged in the ventilation shell 1 in a parallel extending manner, so that the volume of the ventilation shell 1 can be reduced, the excessive space in the washing machine box body 8 is avoided, the on-off valve component 2 is arranged in the ventilation shell 1, the air inlet and the air outlet and the on-off of the air path can be realized in a smaller space, the structure is compact, the connection of the external pipeline 9 is convenient, and the installation is simple.

Preferably, the first air outlet 112 of the air inlet channel 11 and the second air inlet 121 of the air outlet channel 12 are both disposed on an end surface of one end of the ventilation casing 1. The first air inlet 111 of the air inlet channel 11 and the second air outlet 122 of the air outlet channel 12 are both arranged on the end face of the other end of the ventilation casing 1.

According to the invention, the first air outlet 112 of the air inlet channel 11 and the second air inlet 121 of the air outlet channel 12 are arranged on one end face of the ventilation shell 1, so that the first air outlet 112 is conveniently connected with the outer cylinder 7 through the external pipeline 9, the external air inlet is conveniently led into the outer cylinder 7, the second air inlet 121 is conveniently connected with the outer cylinder 7 through the external pipeline 9, the moist air in the outer cylinder 7 is conveniently received and discharged to the outside of the outer cylinder 7, the length of the external pipeline 9 can be reduced, the space of the box body 8 occupied by the external pipeline 9 is reduced, and the installation of the external pipeline 9 is convenient.

The on-off valve assembly 2 can be arranged in the same end of the ventilation shell 1, and can also be respectively arranged in two ends of the ventilation shell 1.

Preferably, the on-off valve assembly 2 is disposed in one end of the air inlet channel 11 and the air outlet channel 12, which is close to the ventilation casing 1, and is close to the first air outlet 112 and the second air inlet 121, so as to correspondingly block or open the first air outlet 112 and the second air inlet 121.

As shown in fig. 4 to 5, the on-off valve assembly 2 includes a rotary shaft and a valve plate.

The rotating shafts comprise a first rotating shaft 22 and a second rotating shaft 24, and are respectively and rotatably arranged in the air inlet channel 11 and the air outlet channel 12 correspondingly. The valve plates comprise a first valve plate 21 and a second valve plate 23 which are respectively and correspondingly arranged in the air inlet channel 11 and the air outlet channel 12.

The first valve plate 21 is disposed on a peripheral wall of the first rotating shaft 22, and the second valve plate 23 is disposed on a peripheral wall of the second rotating shaft 24. In the blocking state, one side wall of the first valve plate 21 and the second valve plate 23 are correspondingly and oppositely abutted to the first air inlet 111 or the first air outlet 112 of the blocked air inlet channel 11 and the second air inlet 121 or the second air outlet 122 of the blocked air outlet channel 12.

Further, the first and second rotating shafts 22, 24 are provided in the same end of the ventilation casing 1. The on-off valve assembly 2 further comprises a connecting shaft 25, and the connecting shaft 25 penetrates through the wall of the ventilation shell 1 between the air inlet channel 11 and the air outlet channel 12. The two ends of the connecting shaft 25 are respectively connected with the first rotating shaft 22 and the second rotating shaft 24 to form an integral shaft, so as to drive the first valve plate 21 and the second valve plate 23 to integrally rotate, and simultaneously, the air inlet channel 11 and the air outlet channel 12 are blocked or opened.

Preferably, the first valve plate 21 and the second valve plate 23 are used for blocking the first air outlet 112 of the air inlet channel 11 and the second air inlet 121 of the air outlet channel 12.

Cup-shaped sealing rings 26 are respectively arranged on one side wall of the first valve plate 21 and one side wall of the second valve plate 23 and are used for correspondingly blocking the first air outlet 112 and the second air inlet 121.

The ventilation device further comprises a driving motor 3, and the driving motor 3 is arranged on the outer side wall of one end of the ventilation shell 1. The output shaft 31 of the driving motor 3 penetrates through the outer side wall of the ventilation shell 1 and is in transmission connection with the integral shaft to drive the first rotating shaft 22 and the second rotating shaft 24 to rotate simultaneously.

The driving motor 3 is disposed on an outer sidewall adjacent to the end face of one end of the ventilation casing 1. Preferably, the axial direction of the output shaft 31 is perpendicular to the extending directions of the air inlet channel 11 and the air outlet channel 12.

Specifically, the ventilation casing 1 includes a case 13, an upper cover 14, and a partition plate 15.

The upper cover 14 detachably closes the opening of the box body 13, and the partition plate 15 is vertically disposed on the bottom wall of the box body 13. The partition plate 15 is connected to two ends of the box 13 in an extending manner, and divides the interior of the ventilation casing 1 into an independent air inlet channel 11 and an independent air outlet channel 12.

The top wall of the partition plate 15 abuts against the bottom of the upper cover 14, and the connection shaft 25 is inserted into the partition plate 15.

Further, the ventilation device also comprises a fan 4. The fan 4 is arranged on the ventilation shell 1, and an outlet 43 is arranged at one end of the fan 4 and is communicated with the first air inlet 111 of the air inlet channel 11 relatively.

The air inlet channel 11 and the air outlet channel 12 are arranged side by side in sequence along the transverse direction. The fan 4 is transversely arranged, one end of the fan 4 is arranged at the upper part of the end face of the ventilation shell 1 where the first air inlet 111 of the air inlet channel 11 is located, and the second air inlet 121 or the second air outlet 122 of the air outlet channel 12 is arranged at the lower part of the end face of the ventilation shell 1.

Preferably, the first air inlet 111 is disposed at an upper portion of the other end face of the ventilation case 1, and the second air outlet 122 is disposed at a lower portion of the other end face of the ventilation case 1. The fan 4 is arranged at the upper part of the end face of the ventilation shell 1 where the first air inlet 111 is located, and the second air outlet 122 is arranged at the lower part of the fan 4.

According to the invention, the fan 4 is arranged at the upper part of the end surface of the other end of the ventilation shell 1, and the second air outlet 122 of the air outlet channel 12 is arranged at the lower part of the fan 4, so that the fan 4 can be installed to enter the air inlet channel 11, the installation of an external pipeline 9 of the second air outlet 122 is convenient, the structure is compact, and the occupied space in the washing machine is small.

The fan 4 comprises a fan housing 41. An inlet 42 is provided at an upper portion of the fan housing 41, and an outlet 43 is provided at a side portion of the fan housing 41, opposite to and communicating with the first air inlet 111.

Specifically, the ventilation device further includes a mounting plate 16, where the mounting plate 16 is disposed in a middle portion of the end surface of the ventilation casing 1 where the first air inlet 111 is located in a lateral extending manner. The fan 4 is fixed on the upper part of the mounting plate 16, and an air inlet or an air outlet of the air outlet channel 12 is arranged on the end face of the ventilation shell 1 below the mounting plate 16.

The thickness of the mounting plate 16 is smaller than the thickness of the ventilation case 1 in the up-down direction.

Joints are arranged outside the first air outlet 112, the second air inlet 121 and the second air outlet 122.

The mounting plate 16 is provided on an end surface of the other end of the case 13 extending in the lateral direction. The end face of the other end of the box body 13 is arranged at the edge of the box opening corresponding to the end face, and the box opening extends outwards continuously along the transverse direction. The fan 4 is partially sandwiched between the part of the structure of the box opening edge extending outwards and the mounting plate 16.

A driving motor 3 is arranged on one side wall of the box body 13, and is arranged close to the transverse end face of one end of the box body 13. An extension plate 17 is arranged on one side wall of the box body 13 and is arranged close to the end face of the other transverse end of the box body 13. One end of the extension plate 17 is connected with the box body 13, and the other end is extended outwards transversely.

The extension plate 17 is provided with a mounting post, and is connected with the upper cover 14 through a connecting piece. The box body 13 is also internally provided with a mounting column, and is connected with the upper cover 14 through a connecting piece. The other end of the extension plate 17 is provided with a relief port 171 for accommodating the wire harness of the fan 4.

The edge of the upper cover 14 is provided with a downward buckle, and the side wall of the box body 13 is provided with a clamping protrusion which is clamped with the upper cover 14.

Further, the ventilation device also comprises a detection device 5 for detecting whether the on-off valve assembly 2 closes the channel. The detection device 5 comprises a body 51 and a detection end 52.

The body 51 is disposed outside the ventilation casing 1, and the detection end 52 is disposed from the body 51 to the inside of the channel. The detection end 52 is matched with the on-off valve assembly 2, and is used for being matched with the body 51 to generate a channel closing trigger signal when the on-off valve assembly 2 is pressed when rotating to close a channel.

The detecting end 52 is telescopically arranged on the body 51. The on-off valve assembly 2 is provided with a protruding part 212, which is pressed against the detection end 52 when the channel is closed, and is communicated with the body 51 to trigger a channel closing signal.

The specific scheme is that a protruding portion 212 is provided on a side wall of the first valve plate 21 opposite to one end face in the ventilation casing 1, the detecting end 52 is telescopically arranged on the body 51, and is telescopically inserted into one end face of the air inlet channel 11.

When the first valve plate 21 rotates to face one end face in the air inlet channel 11, the first air outlet 112 is closed, the protruding portion 212 presses the detecting end 52, so that the detecting portion moves to the outside to contact with the parts in the body 51, thereby generating a trigger signal, and the washing machine receives the trigger signal to determine that the air inlet channel 11 is closed. The first valve plate 21 and the second valve plate 23 coaxially rotate, and if the air inlet channel 11 is judged to be closed, the air outlet channel 12 is also closed.

When the first valve plate 21 rotates to open the first air outlet 112, the protrusion 212 is driven to move away from the detecting end 52, the detecting end 52 rebounds, and no longer contacts with the components in the body 51 to generate a trigger signal.

The first air outlet 112 and the second air inlet 121 are disposed at the lower part of one end face of the ventilation casing 1. The body 51 is disposed on an end face of the ventilation casing 1 at an upper portion of the first air outlet 112. The first and second rotating shafts 22 and 24 are disposed at an upper portion of one end of the ventilation casing 1.

Further, the ventilation device further comprises a power supply control device 6 for supplying power to the detection device 5, the fan 4 and/or the driving motor 3, and controlling the detection device 5 or the driving motor 3 to supply power.

As shown in fig. 6 to 9, the present invention also provides a washing machine having any one of the above-described ventilation devices.

The invention sets a single ventilation device in the washing machine, sets a channel in the ventilation device and a on-off valve component 2 for controlling the opening and closing of the channel, and can control the on-off of the external air circulation dehumidification channel of the washing machine by connecting the ventilation device on the external air circulation dehumidification channel of the washing machine, thus having simple structure, occupying space, being convenient to install and being convenient to be connected with an external pipeline.

The washing machine further comprises an outer cylinder 7 and a box body 8, wherein the outer cylinder 7 is arranged in the box body 8. The opening 71 of the outer tube 7 is provided toward the front side.

The ventilation device is arranged on the outer peripheral wall of the outer cylinder 7, and a first air outlet 112 of the ventilation device is connected with the outer cylinder 7 through an external pipeline 9. The second air inlet 121 of the ventilation device is connected with the outer cylinder 7 through an external pipeline 9. The second air outlet 122 of the ventilation device is connected with the opening on the box body 8 through an external pipeline 9, and the moist air in the outer barrel 7 is discharged out of the box body 8.

The ventilation casing 1 and the power supply control device 6 are arranged opposite to each other at intervals along the circumferential direction of the outer cylinder 7. Preferably, the ventilation casing 1 and the power supply control device 6 are connected with the outer cylinder 7 through screws

Specifically, the front part of the outer tube 7 has a window pad 72 provided on the outer periphery of the tube opening 71. One end of the ventilation casing 1 of the ventilation device is disposed towards the window pad 72, that is, the first air outlet 112 and the second air inlet 121 are disposed towards the window pad 72.

The window pad 72 is provided with an air inlet 73 which is communicated with a first air outlet 112 through an external pipeline 9. The outer peripheral wall of the outer cylinder 7 is provided with an air outlet 74 which is communicated with a second air inlet 121 through an external pipeline 9.

The external pipeline 9 connected to the second air outlet 122 is bent and then extends to the front part of the box 8, and extends to the box 8 opposite to the periphery of the cylinder opening 71.

Further, the ventilation device may be directly mounted on the outer peripheral wall of the outer tube 7, or a mounting beam 81 may be provided on the case 8, and the ventilation device may be further fixed to the mounting beam 81.

The mounting beams 81 extend back and forth between opposite ends of the housing 8. Notches 811 are respectively formed on both sides of the extension direction of the mounting beam 81.

The ventilation casing 1 and the power supply control device 6 are respectively arranged at two sides of the extension direction of the mounting beam 81. The top of the ventilation casing 1 is provided with a first clamping part 141, and the top of the power supply casing 61 of the power supply control device 6 is provided with a second clamping part 62. The first and second engaging portions 141 and 62 are engaged with the notches 811 on both sides of the mounting beam 81 in the extending direction, respectively, and fix the ventilation casing 1 and the power supply control device 6 to the mounting beam 81, thereby improving the mounting strength.

According to the invention, the ventilation shell 1 is arranged at the bottom of one side of the extension direction of the mounting beam 81, the power supply control device 6 is arranged at the bottom of the other side of the extension direction of the mounting beam 81, the first clamping part 141 and the second clamping part 62 are respectively arranged on the ventilation shell 1 and the power supply shell 61 correspondingly, and are clamped in the gaps 811 at two sides of the mounting beam 81, so that the mounting beam 81 and the ventilation device are preassembled off line firstly and then assembled on the whole machine, the assembly station of a total assembly line body is reduced, the cost is reduced, and the resources are saved.

Specifically, the mounting beam 81 is provided on top of the case 8. The ventilation casing 1 and the power supply casing 61 are provided at the bottom of the mounting beam 81.

The ventilation casing 1 and a part of the power supply casing 61 disposed under the bottom of the mounting beam 81 are disposed in abutment with each other.

The first engaging portion 141 extends upward from the side wall of the ventilation casing 1, penetrates the notch 811, extends along the extending direction of the mounting beam 81, and engages with the top wall of the ventilation casing 1 around the periphery of the notch 811.

The second locking portion 62 extends upward from the side wall of the power supply housing 61 and is inserted into the notch 811, and then extends along the extending direction of the mounting beam 81, and is locked to the top wall of the power supply housing 61 at the periphery of the notch 811.

According to the invention, the first clamping part 141 and the second clamping part 62 are respectively extended upwards from the side walls of the ventilation shell 1 and the power supply shell 61 to penetrate through the notch 811, then are extended along the extending direction of the mounting beam 81, and are clamped on the ventilation shell 1 and the top wall of the power supply shell 61 at the periphery of the notch 811, so that the clamping strength of the ventilation device and the mounting beam 81 is further increased, and the stability of fixing the ventilation shell 1 and the power supply control device 6 on the mounting beam 81 is further increased.

Specifically, two first engaging portions 141 extend upward from the side wall of the ventilation casing 1 and penetrate through the notch 811, and then extend in opposite directions to be engaged with the top wall of the ventilation casing 1 around the periphery of the notch 811.

The two second locking parts 62 extend upward from the side wall of the power supply housing 61 and penetrate through the notch 811, and then extend in the same or opposite direction as the extending direction of the mounting beam 81 to be able to be locked to the top wall of the power supply housing 61 around the periphery of the notch 811.

The first engaging portions 141 are provided on both side walls of the ventilation case 1 on opposite sides. The two first clamping parts 141 are positioned on the same straight line on the end surface of the ventilation shell 1.

The second clamping portion 62 is disposed on a side wall of the same side of the power supply housing 61.

It should be noted that the extending direction of the first clamping portion 141 and the second clamping portion 62 may also extend toward the inside of the mounting beam 81, so long as the ventilation casing 1 and the power supply control device 6 are fixed to the mounting beam 81.

The mounting beams 81 are provided with first mounting holes on both sides thereof, respectively. The ventilation shell 1 is provided with a second mounting hole. The power supply housing 61 is provided with a third mounting hole.

The second mounting hole and the third mounting hole are respectively connected with the first mounting holes on two sides of the mounting beam 81 through connecting pieces.

According to the invention, the first mounting holes are formed in the two sides of the mounting beam 81, the second mounting holes and the third mounting holes are respectively formed in the ventilation shell 1 and the power supply shell 61, and then the second mounting holes and the third mounting holes are used for mounting connecting pieces and are connected with the first mounting holes in the two sides of the mounting beam 81, so that the assembly firmness between the ventilation device and the mounting beam 81 is further improved, double safety guarantee is realized, and the probability of accidents is reduced.

The side walls of the opposite sides of the power supply housing 61 and the ventilation housing 1 of the power supply housing 61 are also provided with connecting parts.

The third mounting hole is formed in the top of the connecting portion. The connection portion is disposed opposite to the first mounting hole of the mounting beam 81.

The second clamping portion 62 of the power supply housing 61 is disposed on a side wall of the connecting portion.

The invention ensures the stability of installation by arranging the connecting part on the side wall of the power supply shell 61 and fixedly connecting the connecting part with the first mounting hole of the mounting beam 81 to fix the power supply shell 61 on the mounting beam 81, and in addition, the second clamping part 62 is arranged on the side wall of the connecting part to further increase the stability of fixing the power supply shell 61 on the mounting beam 81.

Specifically, the power supply housing 61 is provided with a plurality of connection parts, and the connection parts are fixedly connected with the first mounting holes of the mounting beam 81 through connection pieces. One of the connecting parts is arranged in abutting connection with the side wall of the ventilation shell 1.

Further, the mounting beam 81 is provided with a first supporting rib and a second supporting rib which are arranged in parallel along the extending direction of the mounting beam 81.

The notches 811 on both sides extend from both side edges of the mounting beam 81 in the extending direction to the inside of the mounting beam 81 to be close to the first support rib and the second support rib, respectively.

Further, the notch 811 includes a first notch and a second notch.

The first notch is disposed on one side of the mounting beam 81, and the first notch is disposed corresponding to the first clamping portion 141.

The second notch is disposed on the other side of the mounting beam 81, and the second notch is disposed corresponding to the second clamping portion 62 of the power control device 6.

The portions of the first and second support ribs near the first mounting hole are recessed toward the inside of the mounting beam 81.

According to the invention, the first support rib and the second support rib are arranged on the mounting beam 81 in an extending manner, the notches 811 on the two sides are arranged on the opposite sides of the first support rib and the second support rib, so that the support strength of the mounting beam 81 near the notches 811 can be improved, the support strength near the mounting holes can be improved, and the connection strength of the whole mounting beam 81 and the ventilation device is ensured.

The invention also provides a control method of the washing machine. The washing machine is provided with any one of the ventilation devices, or the washing machine is any one of the washing machines.

The control method comprises the following steps: after washing, controlling the on-off valve assembly to simultaneously open the air inlet channel and the air outlet channel for ventilation and dehumidification; after ventilation is finished, the on-off valve assembly is controlled to simultaneously block the air inlet channel and the air outlet channel.

After washing, the control method of the washing machine controls the on-off valve assembly to simultaneously open the air inlet channel and the air outlet channel for ventilation and dehumidification; after ventilation is finished, the on-off valve assembly is controlled to simultaneously block the air inlet channel and the air outlet channel, the matched structural design is simple, the cost is low, the on-off control method of the two channels is simple, and the channels can be simultaneously opened and closed

Specifically, the driving motor is controlled to operate, and the output shaft drives the integrated shaft to rotate, so that the first valve plate and the second valve plate are driven to simultaneously rotate to correspondingly block or open the first air outlet of the air inlet channel and the second air inlet of the air outlet channel.

The ventilation device has two modes: an operating mode and a non-operating mode.

In the working mode: the first valve plate of the air inlet channel and the second valve plate of the air outlet channel are simultaneously opened, the fan is started, air starts to be blown into the air inlet channel, and the air enters the outer cylinder through the air inlet channel, the external pipeline and the window pad; then the air returns to the air outlet channel through the air outlet on the outer cylinder and the external pipeline, and the air outlet channel discharges the moisture to the outside of the washing machine through the external pipeline.

In the non-operating mode: the first valve plate of the air inlet channel and the second valve plate of the air outlet channel are both closed, so that hot and humid air, foam and the like in the cylinder are prevented from overflowing when the washing machine works.

The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited to the above-mentioned embodiment, but is not limited to the above-mentioned embodiment, and any simple modification, equivalent change and modification made by the technical matter of the present invention can be further combined or replaced by the equivalent embodiment without departing from the scope of the technical solution of the present invention.

Claims (15)

1. A ventilating device for a washing machine, characterized in that: comprising

A ventilation shell, wherein the ventilation shell is internally provided with mutually independent channels, and the channels comprise

The air inlet channel is used for leading in external air and discharging the external air into the outer cylinder of the washing machine through an external pipeline;

the air outlet channel is used for guiding air in the outer cylinder of the washing machine into the air outlet channel and guiding the air out of the outer cylinder of the washing machine through an external pipeline;

the ventilation device further comprises an on-off valve assembly which is arranged in the ventilation shell and used for opening or closing the air inlet channel and the air outlet channel.

2. A ventilating device for a washing machine according to claim 1, wherein:

the on-off valve assembly is rotatably arranged in the air inlet channel and the air outlet channel respectively and used for blocking or opening the corresponding channels.

3. A ventilating device for a washing machine according to any of claims 1-2, wherein:

the air inlet channel and the air outlet channel are arranged between two ends of the ventilation shell in a parallel extending mode;

the on-off valve components are respectively arranged in the same end of the ventilation shell and used for blocking or opening an air inlet or an air outlet of a corresponding channel.

4. A ventilating device for a washing machine according to claim 3, wherein:

and the two groups of on-off valve assemblies in the air inlet channel and the air outlet channel are coaxially connected, and simultaneously the air inlet or the air outlet of the corresponding channel is plugged or opened.

5. A ventilating device for a washing machine according to claim 3, wherein:

the air outlet of the air inlet channel and the air inlet of the air outlet channel are arranged on one end face of the ventilation shell, and the air inlet of the air inlet channel and the air outlet of the air outlet channel are arranged on the other end face of the ventilation shell;

the on-off valve assembly is respectively arranged in one end of the air inlet channel and one end of the air outlet channel, which are close to the ventilation shell.

6. A ventilating device for a washing machine according to any of claims 1 to 5, wherein: the on-off valve assembly comprises a rotating shaft, wherein the rotating shaft is respectively and rotatably arranged in an air inlet channel and an air outlet channel;

and the valve plate is respectively arranged in the air inlet channel and the air outlet channel, is correspondingly connected with the peripheral walls of the rotating shafts in the air inlet channel and the air outlet channel, and is correspondingly and abuttingly arranged with the corresponding blocked air inlet or air outlet on one side wall of the valve plate in a blocking state.

7. A ventilating device for a washing machine according to claim 6, wherein:

the on-off valve assembly further comprises a connecting shaft, the wall of the ventilation shell between the air inlet channel and the air outlet channel is penetrated, and two ends of the wall of the ventilation shell are respectively connected with rotating shafts in the air inlet channel and the air outlet channel to form an integral shaft.

8. A ventilating device for a washing machine according to claim 7, wherein:

the driving motor is arranged on the outer side wall of one end of the ventilation shell; and an output shaft of the driving motor penetrates through the outer side wall of the ventilation shell and is in transmission connection with the integral shaft.

9. A ventilating device for a washing machine according to any of claims 3-8, wherein: the fan is arranged on the ventilation shell, and one end of the fan is provided with an outlet which is communicated with the air inlet of the air inlet channel.

10. A ventilating device for a washing machine according to claim 9, wherein: the air inlet channel and the air outlet channel are arranged side by side in sequence along the transverse direction, the fan is transversely arranged, one end of the fan is arranged at the upper part of the end face of the ventilation shell where the air inlet of the air inlet channel is located, and the air inlet or the air outlet of the air outlet channel is arranged at the lower part of the end face of the ventilation shell.

11. A ventilating device for a washing machine as set forth in claim 10, wherein: the ventilation device further comprises a mounting plate which is transversely arranged in the middle of the end face of the ventilation shell;

the fan is fixed on the upper part of the mounting plate, and an air inlet or an air outlet of the air outlet channel is arranged on the end face of the ventilation shell below the mounting plate.

12. A ventilating device for a washing machine according to any of claims 1-11, wherein: the detection device is used for detecting whether the on-off valve assembly closes the channel; the detection device comprises

The body is arranged outside the ventilation shell;

the detection end penetrates through the channel from the body and is matched with the on-off valve assembly, and the detection end is used for receiving the pressing force when the on-off valve assembly rotates to close the channel and is matched with the body to generate a channel closing signal.

13. A ventilating device for a washing machine as set forth in claim 12, wherein: the detection end is arranged on the body in a telescopic way;

the on-off valve assembly is provided with a protruding part which is propped against the detection end when the channel is closed, and the protruding part is communicated with the body to trigger the channel to close the signal.

14. A washing machine, characterized in that: a ventilation device according to any one of claims 1 to 13.

15. A control method of a washing machine having a ventilating device according to any one of claims 1 to 13, characterized by: the control method is that,

after washing, controlling the on-off valve assembly to simultaneously open the air inlet channel and the air outlet channel for ventilation and dehumidification; after ventilation is finished, the on-off valve assembly is controlled to simultaneously block the air inlet channel and the air outlet channel.