CN111286914A

CN111286914A - Washing method of washing machine and washing machine

Info

Publication number: CN111286914A
Application number: CN201811488357.3A
Authority: CN
Inventors: 张玉琳; 李广庆; 高磊
Original assignee: Wuxi Little Swan Co Ltd
Current assignee: Wuxi Little Swan Co Ltd; Wuxi Little Swan Electric Co Ltd
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2020-06-16

Abstract

The invention discloses a washing machine and a washing method, wherein the washing machine comprises a washing barrel (1) with a washing space and a rotary impeller (3) arranged in the washing space of the washing barrel (1), the inner wall of the washing barrel (1) is provided with a waterfall spraying plate (2) with a waterfall spraying opening (21), and a channel (23) which is used for communicating the washing space with the waterfall spraying opening (21) to supply water to the waterfall spraying opening (21) is formed between the washing barrel (1) and the waterfall spraying plate (2); the washing machine is provided with a waterfall spraying program with washing and rinsing functions, and in the washing and rinsing steps of the waterfall spraying program, water at the bottom of the impeller (3) can rise along the channel (23) and be sprayed out of the waterfall spraying opening (21) while the impeller runs. The washing machine and the washing method provided by the invention can quickly soak the easily floating clothes through waterfall water flow, can effectively wash residual floating foam, and solve the problem that the easily floating clothes are difficult to soak and wash in the prior art.

Description

Washing method of washing machine and washing machine

Technical Field

The invention relates to the technical field of household appliances, in particular to a washing method of a washing machine and the washing machine.

Background

In the prior art, when a common impeller washing machine washes outdoor. Under the condition of low water level, the time consumption is long, the ideal soaking effect is difficult to achieve, and the residual foam on the clothes is difficult to wash; although water flow can be sprayed on the clothes from top to bottom in the water inlet stage of washing, the area covered by the water flow which is not uniformly distributed is small, and the water flow hardly has effect on soaking the clothes.

Disclosure of Invention

The invention aims to solve the problem that clothes which are easy to float on the water surface are difficult to soak and clean in the washing machine in the prior art.

In order to achieve the above object, an aspect of the present invention provides a washing machine, including a washing tub having a washing space, and a pulsator, in which the washing tub is disposed in the washing space and is capable of rotating, wherein a waterfall spraying plate having a waterfall spraying opening is disposed on an inner wall of the washing tub, and a passage, which communicates the washing space and the waterfall spraying opening to supply water to the waterfall spraying opening, is formed between the washing tub and the waterfall spraying plate;

the washing machine is provided with a waterfall spraying program with washing and rinsing functions, and in the washing and rinsing steps of the waterfall spraying program, water at the bottom of the impeller can rise along the channel and be sprayed out of the waterfall spraying opening while the impeller runs.

Preferably, the pulsator is provided with a plurality of communication holes for communicating the upper side and the lower side, and the total area of the communication holes is 10-35% of the total area of the pulsator surface of the pulsator.

Preferably, a total area of the plurality of communication holes is 20% of a total area of a pulsator surface of the pulsator.

Preferably, the surface of the waterfall spraying plate close to the axis of the washing tub is an arc surface protruding from two sides to the middle along the circumferential direction, and the waterfall spraying port is arranged to extend in a circular arc shape along the arc surface in the transverse direction.

Preferably, a plurality of the water spraying holes are arranged along the circumferential direction of the washing tub at intervals, at least part of the water spraying and waterfall plates are provided with filter screens, and the water spraying holes of the water spraying and waterfall plates with the filter screens are arranged above the filter screens.

According to another aspect of the present invention, there is also provided a washing method of a washing machine, the method including:

a washing step, in which a pulsator of a washing machine operates, and a waterfall opening arranged above a washing barrel of the washing machine sprays water into a washing space of the washing barrel while the pulsator operates;

and a rinsing step, wherein in the rinsing step, a wave wheel of the washing machine runs, and the spraying waterfall port sprays water while the wave wheel runs.

Preferably, the water sprayed from the waterfall spraying opening is fan-shaped.

Preferably, the operating speed of the pulsator in the washing step is greater than 60 rpm; and/or the presence of a gas in the gas,

in the rinsing step, the running speed of the impeller is more than 60 rpm.

Preferably, the operation speed of the pulsator in the washing step is 80 to 140 rpm; and/or the presence of a gas in the gas,

in the rinsing step, the running speed of the impeller is 80-140 rpm.

Preferably, the method further comprises performing a dehydration step after the rinsing step.

According to the washing machine and the washing method provided by the invention, the waterfall-spraying water flow is sprayed on the washed clothes from top to bottom, so that the clothes which are easy to float on the water surface can be quickly soaked, and the residual floating foam can be effectively washed. Therefore, the technical scheme provided by the invention can solve the problem that outdoor jacket, skin jacket and the like in the prior art are easy to float on the water surface and are difficult to be soaked, and a good washing effect is difficult to achieve.

Drawings

Fig. 1 is a schematic view of a partial structure of a washing machine in an exploded state according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a waterfall board according to an embodiment of the present invention;

FIG. 3 is a side view of a pulsator according to an embodiment of the present invention;

FIG. 4 is a top view of the pulsator shown in FIG. 3;

fig. 5 is a flow chart illustrating a washing method of a washing machine according to an embodiment of the present invention.

Description of the reference numerals

1-washing tub; 2-spraying a waterfall board; 21-spraying a waterfall opening; 22-a filter screen; 23-a channel; 3-a wave wheel; 31-a communicating hole; 32-water draining ribs.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. The term "inside" and "outside" refer to the inside and the outside of the contour of each member itself.

The detailed description of the embodiments is given. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.

The invention provides a washing machine, as shown in fig. 1, the washing machine comprises a washing barrel 1 with a washing space and a rotary impeller 3 arranged in the washing space of the washing barrel 1, a waterfall spraying plate 2 with a waterfall spraying opening 21 is arranged on the inner wall of the washing barrel 1, and a channel 23 which is communicated with the washing space and the waterfall spraying opening 21 to supply water to the waterfall spraying opening 21 is formed between the washing barrel 1 and the waterfall spraying plate 2;

wherein, the washing machine is provided with a waterfall spraying program with washing and rinsing, and in the washing and rinsing steps of the waterfall spraying program, the water at the bottom of the impeller 3 can rise along the channel 23 and be sprayed out from the waterfall spraying opening 21 while the impeller 3 runs. Wherein, the washing and rinsing steps refer to the operation process of the impeller 3 when water is in the washing barrel 1 of the washing machine, and do not include the drainage process after the washing or rinsing is finished.

The washing machine provided by the invention has a waterfall spraying program, and the waterfall spraying program can spray waterfall water flow downwards from the upper part in the washing and rinsing processes, so the waterfall spraying program is particularly suitable for washing of easily floating clothes in the open air and the like, and the clothes which easily float on the water surface can be quickly soaked by spraying the waterfall spraying water flow downwards from the upper part on the clothes to be washed, and the residual floating foam can be effectively washed. Therefore, the waterfall spraying program of the washing machine can solve the problem that outdoor.

In order to enable the washing machine to spray water from the waterfall opening 21 in the washing step and the rinsing step, it is necessary to set the water pressure at the bottom of the pulsator 3 to a level that rises along the channel 23 and enters the waterfall opening 21 when the pulsator 3 is operated, so that the pulsator 3 or other structures can be designed.

In a preferred embodiment of the present invention, as shown in fig. 3 and 4, the pulsator 3 is provided with a plurality of communication holes 31 communicating the upper and lower sides, and preferably, the total area of the plurality of communication holes 31 is 10 to 35% of the total area of the pulsator surface of the pulsator 3. More preferably, the total area of the communication holes 31 is 20% of the total area of the pulsator surface of the pulsator 3. Wherein, the total area of the impeller surface refers to the projection area of the outer contour of the impeller 3.

Through setting up more intercommunicating pore 31, can make the water of impeller 3 top flow the below of impeller 3 as early as possible, impeller 3 below has enough water just can make the drainage of the drainage muscle 32 of impeller bottom have great water pressure for water can follow passageway 23 and rise and enter into in waterfall mouth 21 and realize the water spray.

In addition, it is also necessary to set the operating speed of the pulsator 3, and when the operating speed of the pulsator 3 is greater than a preset value and sufficient water is present below the pulsator 3 through the communication hole 31, the water below the pulsator 3 has sufficient pressure to rise along the passage 23 into the waterfall opening 21. Of course, other ways of increasing the water pressure below the impeller 3 so that water can rise up the passage 23 into the waterfall opening 21 are not excluded.

In the present embodiment, it is preferable that the operation speed of the pulsator 3 is set to be greater than 60rpm in the washing and rinsing steps of the waterfall spraying.

More preferably, the operation speed of the pulsator 3 in the washing and rinsing steps is 80 to 140 rpm.

In the present embodiment, in order to make the waterfall opening 21 have a better waterfall effect, as shown in fig. 2, the waterfall opening 21 is configured to extend in a horizontal arc shape, so that the water flow sprayed from the waterfall opening 21 is spread in a fan shape.

Further, the surface of the waterfall plate 2 facing the axis of the washing tub 1 is an arc surface protruding from two sides to the middle along the circumferential direction, and the waterfall opening 21 extends transversely along the arc surface to form an arc opening.

Preferably, the width of the waterfall opening 21 in the up-down direction gradually becomes wider from the side toward the passage 23 to the side toward the inside of the washing tub 1, so that the water current can exhibit a spraying effect.

In addition, in the present embodiment, as shown in fig. 1, a plurality of waterfall boards 2 are provided at intervals along the circumferential direction of the washing tub 1, a strainer 22 is provided on at least a portion of the waterfall boards 2, and a waterfall opening 21 of the waterfall board 2 having the strainer 22 is provided above the strainer 22. That is, a part of the water rising along the passage 23 flows out of the strainer 22, and the other part of the water is sprayed from the spout 21.

Specifically, in the present embodiment, two waterfall boards 2 having a strainer 22 are provided at opposite sides of the washing tub 1, and two waterfall boards 2 having only waterfall openings 21 are provided at the other opposite sides of the washing tub 1.

In addition, one or two or more of the waterfall openings 21 on each waterfall plate 2 may be arranged one above the other, without limitation.

a washing step, in which a pulsator 3 of the washing machine operates, and a waterfall spraying opening 21 arranged above a washing barrel 1 of the washing machine sprays water into a washing space in the washing barrel 1 while the pulsator 3 operates;

and a rinsing step, in which the pulsator 3 of the washing machine operates, and the waterfall spraying port 21 sprays water into the washing space while the pulsator 3 operates.

The washing method may be set as a waterfall spraying process in the washing machine.

The waterfall spraying program is suitable for washing clothes which are easy to float on the water surface, such as outdoor jacket clothes, skin clothes and the like, and because waterfall water flow can be sprayed downwards from the waterfall spraying opening 21 above in the washing and rinsing steps, the clothes which float on the water surface can be quickly soaked and residual floating foam can be effectively washed, and the clothes which are easy to float can achieve better washing effect.

Preferably, the water sprayed from the waterfall opening 21 is fan-shaped. The waterfall opening 21 may be formed to extend laterally in a circular arc shape so that the sprayed water may be sprinkled in a fan shape to facilitate better washing of laundry.

In order to enable the waterfall opening 21 to spray water in the washing and rinsing steps, the rotation speed of the pulsator 3 needs to be set to a predetermined value, and preferably, the rotation speed of the pulsator 3 is greater than 60 rpm. When the rotating speed of the impeller 3 reaches a certain rotating speed, the water at the bottom of the impeller 3 can rise to the waterfall spraying opening 21 along the channel 23 between the waterfall spraying plate 2 and the washing tub 1 under the action of the drainage rib 32 to realize water spraying.

In addition, the washing method further includes performing a dehydration step after the rinsing step.

The specific process of washing the clothes using the washing method will be described again below with reference to fig. 4.

First, the washing machine is turned on and a waterfall spraying process is selected.

The washing machine performs a waterfall spraying process.

In the washing step of the waterfall washing, the pulsator 3 is operated at a certain speed, and simultaneously, water flows down onto the washed laundry from the waterfall opening 21 above. And after washing, performing a water drainage step.

Then, a rinsing step is performed, in which the pulsator is operated at a constant speed and water is simultaneously sprayed from the upper waterfall opening 21 onto the laundry. And after rinsing is finished, performing a water drainage step. Wherein, two or more rinsing steps can be performed in the waterfall-spraying process.

And finally, performing a dehydration step to dehydrate the clothes to finish the washing process.

The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, numerous simple modifications can be made to the technical solution of the invention, including combinations of the individual specific technical features in any suitable way. The invention is not described in detail in order to avoid unnecessary repetition. Such simple modifications and combinations should be considered within the scope of the present disclosure as well.

Claims

1. A washing machine is characterized by comprising a washing barrel (1) with a washing space and a rotary impeller (3) arranged in the washing space of the washing barrel (1), wherein a waterfall spraying plate (2) with a waterfall spraying opening (21) is arranged on the inner wall of the washing barrel (1), and a channel (23) which is communicated with the washing space and the waterfall spraying opening (21) to supply water to the waterfall spraying opening (21) is formed between the washing barrel (1) and the waterfall spraying plate (2);

the washing machine is provided with a waterfall spraying program with washing and rinsing functions, and in the washing and rinsing steps of the waterfall spraying program, water at the bottom of the impeller (3) can rise along the channel (23) and be sprayed out of the waterfall spraying opening (21) while the impeller (3) operates.

2. The washing machine according to claim 1, wherein the pulsator (3) is provided with a plurality of communication holes (31) communicating upper and lower sides, and a total area of the plurality of communication holes (31) is 10 to 35% of a total area of a pulsator surface of the pulsator (3).

3. The washing machine according to claim 2, characterized in that the total area of the communication holes (31) is 20% of the total area of the pulsator surface of the pulsator (3).

4. The washing machine as claimed in claim 1, wherein the surface of the waterfall plate (2) on the side close to the axis of the washing tub (1) is an arc surface protruding from two sides to the middle along the circumferential direction, and the waterfall opening (21) is arranged to extend in a circular arc shape along the arc surface in the transverse direction.

5. Washing machine according to any of claims 1-4, characterized in that a plurality of said spray fall plates (2) are provided at intervals along the circumference of said washing tub (1), a screen (22) is provided on at least a part of said spray fall plates (2), and the spray fall opening (21) of said spray fall plate (2) with screen (22) is provided above said screen (22).

6. A washing method of a washing machine, characterized in that the method comprises:

a washing step, wherein in the washing step, a wave wheel (3) of the washing machine runs, and when the wave wheel (3) runs, a waterfall spraying opening (21) arranged above a washing barrel (1) of the washing machine sprays water into a washing space of the washing barrel (1);

and a rinsing step, wherein in the rinsing step, a wave wheel (3) of the washing machine runs, and the waterfall spraying opening (21) sprays water into the washing space while the wave wheel (3) runs.

7. A washing method according to claim 6, characterized in that the water sprayed by said waterfall opening (21) is in the shape of a fan.

8. Washing method according to claim 6, characterized in that the operating speed of the impeller (3) in the washing step is greater than 60 rpm; and/or the presence of a gas in the gas,

in the rinsing step, the running speed of the impeller (3) is more than 60 rpm.

9. The washing method according to claim 6, characterized in that the operating speed of the pulsator (3) in the washing step is 80-140 rpm; and/or the presence of a gas in the gas,

in the rinsing step, the running speed of the impeller (3) is 80-140 rpm.

10. A washing method according to any of claims 6 to 9, further comprising a dewatering step after the rinsing step.