CN113493982B - Washing machine and control method - Google Patents
Washing machine and control method Download PDFInfo
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- CN113493982B CN113493982B CN202010264519.6A CN202010264519A CN113493982B CN 113493982 B CN113493982 B CN 113493982B CN 202010264519 A CN202010264519 A CN 202010264519A CN 113493982 B CN113493982 B CN 113493982B
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- air duct
- ventilation device
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- 238000005406 washing Methods 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000009423 ventilation Methods 0.000 claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 238000001914 filtration Methods 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 abstract description 19
- 238000006297 dehydration reaction Methods 0.000 abstract description 19
- 238000007605 air drying Methods 0.000 abstract description 11
- 239000007921 spray Substances 0.000 abstract description 10
- 238000001035 drying Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 20
- 101150114468 TUB1 gene Proteins 0.000 description 16
- 238000003756 stirring Methods 0.000 description 16
- 238000005192 partition Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/10—Filtering arrangements
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
Abstract
The utility model discloses a washing machine and a control method, wherein the washing machine comprises an inner barrel, a ventilation device is arranged on the side wall of the inner barrel, and the ventilation device is provided with an air duct extending along the axis of the inner barrel; one end of the ventilation device, which is close to the bung hole, is provided with a first opening communicated with the air duct, and the other end of the ventilation device is provided with a second opening communicated with the air duct. The ventilation device can discharge air to the bottom of the barrel in the spin-drying and dehydration process, forms a stream of air flow at the bottom of the barrel, plays a role in air drying of clothes, increases dehydration efficiency, sprays the clothes through the washing water sprayed out from the first opening in the clothes washing process, and enables the clothes to be soaked more uniformly.
Description
Technical Field
The utility model belongs to the technical field of washing machines, and particularly relates to a washing machine and a control method.
Background
The existing pulsator washing machine drives wet clothes to rotate through high-speed rotation of the inner drum after washing and draining are finished, the clothes are extruded with the side wall of the inner drum through centrifugal force, and moisture in the clothes is extruded. Meanwhile, in the high-speed rotation process of the clothes, the surrounding air and the clothes generate relative motion, so that a certain air drying effect can be achieved on the clothes. However, the clothes are tightly attached to the wall of the inner barrel in the spin-drying and dehydration process, and the air drying effect caused by air flow can only act on part of the clothes close to the central axis of the inner barrel, so that the air drying efficiency is low. When more clothes are used, the degree of soaking of the clothes is uneven, so that the gravity center of the clothes in the inner barrel of the washing machine is easy to deviate to one side, and abnormal phenomena such as box collision and the like are caused during dehydration.
The utility model discloses a balancing ring component, a barrel component and a washing machine, wherein the application number of the Chinese patent is 201920200117.2, and the balancing ring component comprises: a balance ring; and the fan blades are convexly arranged on the inner side wall of the balance ring, and a wind pushing angle for pushing the air flow to rotate is formed between the fan blades and the inner side wall of the balance ring so as to accelerate the air flow to rotate. However, the fan blades are arranged on the inner side of the balance ring at the inner barrel opening, so that the accelerating effect on the air flow at the barrel bottom is limited, and more clothes are piled near the barrel bottom, so that the enhancement on the air drying effect of the clothes is limited.
The present utility model has been made in view of this.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the washing machine and the control method which can strengthen the gas flow in the inner barrel in the dehydration process, improve the dehydration efficiency and strengthen the washing force in the washing process.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
a washing machine comprises an inner tub, wherein a ventilation device is arranged on the side wall of the inner tub, and is provided with an air duct extending along the axis of the inner tub; one end of the ventilation device, which is close to the bung hole, is provided with a first opening communicated with the air duct, and the other end of the ventilation device is provided with a second opening communicated with the air duct.
Further, the first opening is arranged above the highest water level of the washing machine, and the second opening is arranged below the lowest water level of the washing machine.
Further, the first opening and the second opening are arranged on a plane extending along the axis of the inner barrel and forming a certain angle with the side wall of the inner barrel;
preferably, the first and second openings are disposed on a plane perpendicular to a sidewall of the inner tub.
Further, it is characterized in that: the ventilation device is provided with a windward part at one end close to the bunghole, the windward part is arranged to be protruded towards the inner side of the inner barrel, and the first opening is arranged on the windward part.
Preferably, the windward portion is disposed at a lower end of an inner side of a balancing ring of the washing machine.
Further, a partition plate arranged along the protruding direction of the windward part is arranged in the ventilation device, and the partition plate divides the air duct into an windward air duct and a leeward air duct which extend along the axis of the inner barrel and are mutually independent; the first opening and the second opening are communicated with the windward air duct, one end of the leeward air duct, which is close to the barrel opening, is provided with a third opening, and the other end of the leeward air duct is provided with a fourth opening.
Further, the windward part is provided with a windward surface and a leeward surface which are opposite to each other, the windward surface and the leeward surface form a certain angle with the side wall of the inner barrel, the first opening is arranged on the windward surface, and the third opening is arranged on the leeward surface;
preferably, the width of the windward side and the leeward side near the end of the inner barrel opening is larger than the width of the end far away from the inner barrel opening.
Further, the first opening comprises a plurality of small holes distributed on the windward side, and the third opening comprises a plurality of small holes distributed on the leeward side; and/or the second opening and the fourth opening are provided with a filter device;
preferably, the filter device is a mesh.
Further, the second opening is provided with a one-way valve which can be conducted from the inside of the windward air duct to the outside.
Further, the ventilation device is detachably connected with the side wall of the inner barrel.
Another object of the present utility model is to provide a control method of the above-mentioned washing machine, wherein the washing process includes controlling the inner tub to rotate at a set rotational speed V at a high speed during a washing process, and ventilating the bottom of the inner tub.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.
In the washing machine, the ventilation device is arranged on the side wall of the inner barrel, in the spin-drying and dehydration process, air flow enters the air duct from the first opening, flows out from the second opening after flowing through the air duct, forms a stream of air flow at the bottom of the barrel, plays a role in air drying clothes, and increases the dehydration efficiency; in the clothes washing process, water flow enters the air duct from the second opening, flows out of the first opening through the air duct to spray clothes, and the clothes are soaked more uniformly.
The upper end of the ventilation device of the washing machine is provided with the windward part protruding towards the inner side of the inner barrel, and through the design of the windward part structure, the air flow can be pushed to rotate together in the rotating process of the inner barrel, and a jet of air flow is formed at the barrel opening, so that the air flow rotation is accelerated, the wind force can be effectively enhanced, and the air drying effect on clothes in the dewatering process is enhanced.
According to the washing machine, the partition plate is arranged in the ventilation device, so that air flow in the windward air duct flows from top to bottom in the spin-drying and dehydration process, air flow in the leeward air duct flows from bottom to top, circulating air flows are formed at the barrel opening and the barrel bottom, and the air drying effect on clothes in the dehydration process is enhanced.
According to the washing machine, the first opening is formed by arranging the plurality of small holes, so that water flow is sprayed more uniformly, and the filter device is arranged at the second opening, so that the phenomenon that the working effect of the ventilation device is influenced due to the fact that the thread scraps in washing water enter the air duct is avoided.
According to the washing machine disclosed by the utility model, the one-way valve is arranged at the second opening, so that washing water cannot enter the air duct in the washing process, and the ventilation process to the bottom of the inner barrel through the ventilation device can be realized by controlling the inner barrel to rotate at a high speed in the washing process, so that bubbles are generated at the bottom of the inner barrel, the stirring of the washing water is enhanced, and the washing force is increased.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. 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 structure of a washing machine of the present utility model;
FIG. 2 is a schematic illustration of the flow of water during a third wash process in accordance with an embodiment of the utility model;
FIG. 3 is a schematic illustration of the flow of gas during a third dewatering process according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram of the flow of air and water during a fourth embodiment of the present utility model.
In the figure: 1. an inner barrel; 2. a balance ring; 3. a ventilation device; 4. a windward part; 5. a first opening; 6. a second opening; 7. a partition plate; 8. and a fourth opening.
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 utility model 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 utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, 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, for example, fixedly connected, detachably connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the washing machine of the present utility model includes an outer tub and an inner tub 1, the inner tub 1 is rotatably provided in the outer tub, and a rotatable pulsator is installed at the bottom of the inner tub. A ventilation device 3 is mounted on the side wall of the inner tub 1, and the ventilation device 3 has an air duct extending along the axis of the inner tub 1. The upper end of the ventilation device 3 is provided with a first opening 5 communicated with the air duct, and the lower end is provided with a second opening 6 communicated with the air duct. Through set up ventilation unit 3 on interior bucket 1 lateral wall, at spin-drying dehydration in-process, interior bucket 1 high-speed rotation, the air current gets into the wind channel from first opening 5, flows down in the wind channel, and then flows out from second opening 6, forms a stream of air current at the barrel head, plays the air-dry effect to the clothing, has improved dehydration efficiency.
As a preferred embodiment of the present utility model, the first opening 5 is disposed above the highest water level of the washing machine, and the second opening 6 is disposed below the lowest water level of the washing machine. In the clothes washing process, the impeller rotates to stir the washing water, so that the washing water enters the air duct from the second opening 6, flows upwards in the air duct, and then flows out of the first opening 5 to spray clothes, and the clothes are soaked more uniformly. Through the design to the position of first opening 5 and second opening 6, no matter the water level in the washing machine washing process, can both guarantee that first opening 5 is located above the water line, second opening 6 is located below the water line, ensures that ventilation unit 3 realizes spraying effect.
As a preferred embodiment of the present utility model, the upper end of the ventilation device 3 has a windward portion 4, the windward portion 4 is protruded inward of the inner tub 1, and the first opening 5 is provided on the windward portion 4. Preferably, the windward portion 4 is provided at a lower end of an inner side of the balance ring 2 of the washing machine.
As a further preferred embodiment of the utility model, the windward portion 4 has a windward face which is at an angle to the side wall of the inner tub 1, the first opening 5 being provided on the windward face. The width of the windward side near the upper end is larger than that of the lower end. Through the structural design to ventilation unit 3, form windward portion 4 that has the fan blade shape in the upper end, can promote the air current and rotate together in interior bucket 1 rotation process, form a stream of air current at the bung hole to accelerate the air current rotation, and then effectively strengthen wind-force, reinforcing dehydration in-process is to the air-dry effect of clothing. Meanwhile, the first opening 5 moves towards the air flow due to the design of the windward direction, which is beneficial to the air inlet of the ventilation device 3.
As a preferred embodiment of the present utility model, a check valve is installed at the second opening 6 of the ventilating device 3, and the check valve is conducted from the inside of the air duct to the outside, so that the air flow passes through, and the washing water is blocked from entering the air duct from the second opening 6. By the arrangement of the non-return valve, the unidirectional flow of fluid in the ventilation device 3 is controlled, i.e. only a flow of air from the first opening 5 to the second opening 6 is possible. In the washing process, by controlling the inner barrel 1 to rotate at a high speed, air flow from top to bottom can be formed in the ventilation device 3, air is introduced into the bottom of the inner barrel 1 to form bubbles, so that the stirring force of washing water is enhanced, and the washing force is further enhanced.
Example 1
As shown in fig. 1, the washing machine according to the present embodiment includes an outer tub and an inner tub 1, and the inner tub 1 is rotatably provided in the outer tub. The side wall of the inner barrel 1 is provided with a ventilation device 3, the ventilation device 3 extends along the axis of the inner barrel 1, and an air duct is arranged inside the ventilation device. The upper end of the ventilation device 3 extends above the highest water level of the washing machine, is provided with a first opening 5 communicated with the air duct, and the lower end extends below the lowest water level of the washing machine, and is provided with a second opening 6 communicated with the air duct. The upper end of the ventilation device 3 is provided with a windward part 4 protruding towards the inner side of the inner barrel 1, and the windward part 4 is arranged at the lower end of the inner side of the balance ring 2 of the washing machine. The windward portion 4 has a windward side which forms an angle with the side wall of the inner tub 1, and the first opening 5 is provided on the windward side. Preferably, the windward side has a width near the upper end that is greater than the width of the lower end.
When the washing machine in the embodiment works, the second opening 6 is immersed below the liquid level in the washing process, and the pulsator rotates to stir the washing water, so that the washing water enters the air duct from the second opening 6, flows upwards in the air duct, and flows out of the first opening 5 to spray clothes. The ventilation device 3 is provided with a structure protruding towards the inner side of the inner barrel 1, so that the stirring effect of washing water can be enhanced in the washing process, and meanwhile, the protruding structure can play a certain rubbing and pressing effect on the washed articles. In the spin-drying and dehydration process, the inner barrel 1 rotates at a high speed, air flows into the air duct from the first opening 5, flows downwards in the air duct and then flows out from the second opening 6, and forms an air flow at the bottom of the barrel to play a role in air drying clothes.
In a preferred version of this embodiment, the second opening 6 is provided in a plane extending along the axis of the inner tub 1 and at an angle to the side wall of the inner tub 1. Preferably, the second opening 6 is provided on a plane perpendicular to the sidewall of the inner tub 1. By the design of the position of the second opening 6, the second opening 6 is arranged facing the washing water in the washing process, which is more beneficial for the washing water to enter the ventilation device 3 from the second opening 6.
In another preferred version of this embodiment, the first opening 5 comprises a plurality of small holes distributed on the windward side, through which the washing water sprays more uniformly onto the laundry to wet it. The second opening 6 is provided with a grid structure as a filtering device to prevent the wire scraps in the washing water from entering the air duct and affecting the working effect of the ventilation device 3, and particularly, the wire scraps can be prevented from blocking small holes when being sprayed outwards at the first opening 5 after entering the air duct.
In a further preferred embodiment of the present embodiment, the ventilating device 3 is detachably connected to the side wall of the inner tub 1, and a user can select whether to install the ventilating device 3 according to his/her own needs for use when using the washing machine.
In this embodiment, through setting up ventilation unit, can upwards guide washing water in the washing process, spray from the top, make clothing soak more even, avoided the partial clothing to exist when too much clothing and not fully soak the condition and then lead to the appearance of unbalanced load phenomenon. The ventilation device is arranged protruding towards the inner side of the inner barrel, so that the stirring force of the washing water is enhanced, and meanwhile, the clothes are rubbed and pressed, and the washing force is enhanced. In the spin-drying and dehydration process, the ventilation device is used for exhausting air to the bottom of the inner barrel, and air flow is formed at the bottom of the barrel to play a role in air drying clothes, so that the dehydration efficiency is improved. The windward part at the upper end of the ventilation device is designed into a structure similar to a fan blade, and can push air flow to rotate together in the rotating process of the inner barrel, and a blast of air flow is formed at the barrel mouth, so that the air flow rotation is accelerated, the wind force can be effectively enhanced, and the dehydration efficiency is further improved.
Example two
As shown in fig. 1, this embodiment is further defined as the first embodiment, and a one-way valve is installed at the second opening 6, and the one-way valve can be conducted from the inside of the air duct to the outside. In the washing process of the washing machine, the inner barrel 1 is controlled to rotate at a high speed, and due to the arrangement of the one-way valve, washing water cannot enter the second opening 6, but the high-speed rotation of the inner barrel can enable air flow to enter the first opening 5 and then flow out of the corresponding second opening 6, air bubbles are formed at the bottom of the inner barrel 1, and the stirring effect on the washing water is enhanced.
In a preferred version of this embodiment the ventilation means 3 are provided in a plurality, wherein the second openings 6 of part of the ventilation means 3 are not provided with one-way valves. In the washing process, for the ventilation device without the one-way valve, the washing water can enter the second opening 6 and then flow out of the corresponding first opening 5 to spray the clothes. For the ventilating device 3 provided with the one-way valve, air flows into the first opening 5 and then flows out of the corresponding second opening 6, so that bubbles are formed at the bottom of the inner barrel 1, and the stirring effect on washing water is enhanced.
In the embodiment, the one-way valve is arranged at the second opening of the part of ventilation device, so that the inner barrel is controlled to rotate at high speed in the washing process, the part of ventilation device can introduce air flow to the bottom of the inner barrel in the washing process, bubbles are formed in washing water, the stirring effect on the washing water is enhanced, and the washing force is enhanced. The other part of the ventilation device without the one-way valve has the same function as the ventilation device in the first embodiment, and can spray washing water to the clothes in the washing process, so that the clothes are soaked more uniformly.
Example III
As shown in fig. 1 to 3, in this embodiment, the ventilation device 3 is further defined as the first embodiment, and a partition 7 is disposed in the ventilation device 3 along the protruding direction of the windward portion 4, where the partition 7 divides the air duct into a windward air duct and a leeward air duct that extend along the axis of the inner tub 1 and are independent of each other. The first opening 5 and the second opening 6 are communicated with a windward air duct on the right side, the upper end of the leeward air duct is provided with a third opening, and the lower end of the leeward air duct is provided with a fourth opening 8. The windward part 4 has a windward side and a leeward side opposite to each other, the windward side and the leeward side form a certain angle with the side wall of the inner barrel 1, the first opening 5 is arranged on the windward side, and the third opening 6 is arranged on the leeward side. Preferably, the width of the windward side and the leeward side near the bung hole of the inner tub 1 is larger than the width of the end far away from the bung hole of the inner tub 1.
In a preferred version of this embodiment, the first opening comprises a plurality of apertures distributed over the windward side and the third opening comprises a plurality of apertures distributed over the leeward side. And grid structures are arranged on the second opening and the fourth opening and used as filtering devices.
In the washing process, the impeller rotates positively and negatively alternately to stir the washing water, so that the second opening 6 and the fourth opening 8 alternately face the flowing washing water, the washing water alternately enters the windward air duct and the leeward air duct, and flows out of the first opening 5 and the third opening to be sprayed downwards. In the spin-drying and dehydration process, the inner barrel rotates at a high speed in one direction, the windward side moves towards the air flow, the air flow enters the first opening 5, and then flows out of the second opening 6 at the bottom of the barrel through the windward air duct. Negative pressure is generated at the leeward side due to high-speed transportation of air flow, and acts on the third opening, and is transferred to the fourth opening 8 through the leeward air duct, and the air flow is sucked into the fourth opening 8 and flows out of the third opening through the leeward air duct.
In the embodiment, the partition plates are arranged to enable the ventilation device to be provided with the windward air duct and the leeward air duct which are mutually independent, and in the washing process, the ventilation device can be matched with the positive and negative alternate flow of the washing water, and the spraying water is continuously supplied upwards. In the dehydration process, circulating air flows are formed at the barrel mouth and the barrel bottom through the matching of the windward air duct and the leeward air duct, so that the air drying effect of clothes is further improved.
Example IV
As shown in fig. 1 and fig. 4, this embodiment is further defined by the third embodiment, where a check valve is installed at the second opening 6, and the check valve can be conducted from the inside of the air duct to the outside.
In the washing process of the washing machine, the inner barrel 1 is controlled to rotate at a high speed, washing water enters the ventilation device 3 from the fourth opening 8 under stirring, flows through the leeward air duct on the left side, flows out of the third opening to spray clothes, and the second opening 6 is provided with a one-way valve, so that the washing water cannot enter. Meanwhile, the high-speed rotation of the inner barrel drives the ventilation device 3 to move at a high speed, so that the windward side faces the air flow to move, the air flow enters the first opening 5 and then flows downwards through the windward air duct on the right side, the washing water is introduced into the second opening 6, air bubbles are formed at the bottom of the inner barrel 1, and the stirring effect on the washing water is enhanced.
In the embodiment, the one-way valve is arranged on the second opening, so that washing water does not enter the windward air duct in the washing process, and can be ventilated to the bottom of the inner barrel through the windward air duct, so that bubbles are formed to strengthen the stirring effect of the washing water, and the washing force is enhanced.
Example five
The present embodiment is directed to a control method of the washing machine according to the above embodiment, wherein the washing machine has a bubble washing process in which the inner tub is controlled to rotate at a set rotational speed V at a high speed, and a washing process of ventilating the bottom of the inner tub is performed.
Specifically, when the washing machine runs the bubble washing program, the inner barrel is controlled to rotate at a set rotating speed V at a high speed to drive the washing water to stir, so that clothes are washed. Meanwhile, the high-speed rotation of the inner barrel drives the first opening to move towards the air flow. When the second opening of the ventilation device is provided with the one-way valve which can be conducted from the inside to the outside of the air duct, washing water is blocked from entering the air duct, so that air flow can enter the first opening and lead to the bottom of the inner barrel in the process of high-speed rotation of the inner barrel, and then overflows from the second opening, bubbles are generated at the bottom of the inner barrel, and the stirring effect on the washing water is enhanced. When a plurality of ventilation devices are arranged or a plurality of air channels are arranged in the ventilation devices, and one-way valves are not arranged at part of the second openings, washing water can still enter the second openings without the one-way valves and flow out from the corresponding first openings, so that the effect of spraying clothes is achieved.
In the embodiment, the inner barrel is controlled to rotate at a high speed in the washing process, so that the ventilation device can ventilate to the bottom of the inner barrel in the washing process to form a bubble washing effect, the stirring of washing water is enhanced, and the washing force is enhanced. Meanwhile, part of the ventilation device can still play a role in upwards guiding washing water to spray clothes, so that the clothes are soaked more uniformly, the phenomenon that the gravity center is deviated to one side due to incomplete wetting of the clothes is avoided, and further the phenomenon that the eccentric barrel body collides with the box body under high-speed rotation is caused.
The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.
Claims (11)
1. A washing machine comprising an inner tub, characterized in that: a ventilation device is arranged on the side wall of the inner barrel, and is provided with an air duct extending along the axis of the inner barrel; one end of the ventilation device, which is close to the bung hole, is provided with a first opening communicated with the air duct, and the other end of the ventilation device is provided with a second opening communicated with the air duct; the ventilation device is provided with a windward part at one end close to the barrel opening, the windward part is arranged in a protruding way towards the inner side of the inner barrel, and the first opening is arranged on the windward part;
the ventilation device is internally provided with a baffle plate arranged along the protruding direction of the windward part, and the baffle plate divides the air duct into a windward air duct and a leeward air duct which extend along the axis of the inner barrel and are mutually independent; the first opening and the second opening are communicated with the windward air duct, one end of the leeward air duct, which is close to the barrel opening, is provided with a third opening, and the other end of the leeward air duct is provided with a fourth opening;
the windward part is provided with a windward surface and a leeward surface which are opposite to each other, the windward surface and the leeward surface form a certain angle with the side wall of the inner barrel, the first opening is arranged on the windward surface, and the third opening is arranged on the leeward surface.
2. A washing machine as claimed in claim 1, characterized in that: the first opening is arranged above the highest water level of the washing machine, and the second opening is arranged below the lowest water level of the washing machine.
3. A washing machine as claimed in claim 1, characterized in that: the first opening and the second opening are arranged on a plane extending along the axis of the inner barrel and forming a certain angle with the side wall of the inner barrel.
4. A washing machine as claimed in claim 3, wherein: the first opening and the second opening are disposed on a plane perpendicular to a sidewall of the inner tub.
5. A washing machine as claimed in claim 1, characterized in that: the windward part is arranged at the lower end of the inner side of the balance ring of the washing machine.
6. A washing machine as claimed in claim 1, characterized in that: the width of one end of the windward side and the leeward side, which is close to the barrel opening of the inner barrel, is larger than the width of one end, which is far away from the barrel opening of the inner barrel.
7. The washing machine as claimed in claim 6, wherein: the first opening comprises a plurality of small holes distributed on a windward side, and the third opening comprises a plurality of small holes distributed on a leeward side; and/or the second opening and the fourth opening are provided with filtering devices.
8. The washing machine as claimed in claim 7, wherein: the filtering device is a grid.
9. A washing machine as claimed in claim 1, characterized in that: the second opening is provided with a one-way valve which can be conducted from the inside of the windward air duct to the outside.
10. A washing machine as claimed in any one of claims 1 to 9, wherein: the ventilation device is detachably connected with the side wall of the inner barrel.
11. A control method of a washing machine according to any one of claims 1 to 10, characterized in that: in the washing procedure, there is a washing process for controlling the inner tub to rotate at a set rotation speed V and ventilating the bottom of the inner tub.
Priority Applications (1)
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