CN112853681A

CN112853681A - Drum of drum washing machine and drying control method thereof

Info

Publication number: CN112853681A
Application number: CN202110055540.XA
Authority: CN
Inventors: 尹武林; 彭佳宇; 史俊杰; 高洋; 陈圆圆
Original assignee: Changhong Meiling Co Ltd
Current assignee: Changhong Meiling Co Ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-05-28
Anticipated expiration: 2041-01-15
Also published as: CN112853681B

Abstract

The invention discloses a roller of a roller washing machine and a drying control method thereof, relating to the technical field of roller washing machines. The lifting device comprises an inner barrel, wherein a flange shaft is arranged on the inner side wall of the inner barrel, three lifting ribs are circumferentially arrayed at the end part of the flange shaft close to the inner barrel, the other sides of the lifting ribs are abutted with the inner barrel, and a fixed object is arranged in one lifting rib. According to the invention, a fixed object is placed as a fixed eccentricity through one of the lifting ribs, when the larger eccentricity of clothes is positioned in two adjacent areas of the lifting rib where the fixed object is positioned, the dewatering eccentricity of the inner barrel is larger, and the drum washing machine rotates at a low speed; when the larger eccentricity of the clothes is positioned in an area opposite to the lifting rib where the fixed object is positioned, the dewatering eccentricity of the inner barrel is reduced, the drum washing machine can rotate at a high speed, and the more the clothes are, the smaller the eccentricity is, so that the fixed eccentricity can well solve the problem that the less clothes can not be dewatered when the high-speed dewatering of more clothes is not influenced.

Description

Drum of drum washing machine and drying control method thereof

Technical Field

The invention belongs to the technical field of drum washing machines, and particularly relates to a drum of a drum washing machine and a drying control method thereof.

Background

With the development of society, the economic level of people is improved and the health is emphasized, and more consumers select the drum washing machine. However, the drum washing machine is not perfect, and sometimes after the clothes are washed, the clothes may contain much moisture, such as jeans, blankets, etc., the biggest reason is that the washed clothes are too little to be evenly distributed on the circumference of the inner drum, some areas have much clothes, and some areas have little clothes, so that during dehydration, the clothes load in the inner drum is unevenly distributed, if the drum is rotated at a high speed, the washing drum is excited by the eccentric load, the excitation can cause severe vibration of the whole machine, and the vibration of the whole machine not only generates great noise, but also has influence on the service life of the mechanical and electrical components of the washing machine. In order to prevent the above-mentioned situation, the drum washing machine does not use high-speed rotation when the amount of laundry is small, and finally, the laundry may contain much moisture after being taken out.

Disclosure of Invention

The invention aims to provide a drum of a drum washing machine and a drying control method thereof, wherein a fixed object is placed as a fixed eccentricity through one of lifting ribs, when the larger eccentricity of clothes is positioned in two adjacent areas of the lifting ribs where the fixed object is positioned, the dewatering eccentricity of an inner drum is larger, and the drum washing machine rotates at a low speed; when the larger eccentricity of the clothes is positioned in an area where the lifting ribs of the fixed object are opposite, the dewatering eccentricity of the inner barrel is reduced, the drum-type washing machine can rotate at a high speed, and the more the clothes are, the smaller the eccentricity is, so that the fixed eccentricity can well solve the problem that the less clothes can not be dewatered when the high-speed dewatering of more clothes is not influenced, the dewatering probability of the drum-type washing machine is also improved, and the washing time is greatly saved.

In order to solve the technical problems, the invention is realized by the following technical scheme:

a drum of a drum washing machine comprises an inner drum, wherein a flange shaft is arranged on the inner side wall of the inner drum, three lifting ribs are circumferentially arrayed at the end part of the flange shaft close to the inner drum, the other side of each lifting rib is abutted to the inner drum, a fixed object is arranged in one lifting rib, the flange shaft and the inner drum rotate at high speed together, clothes are subjected to centrifugal force in the inner drum, and therefore moisture on the clothes is thrown out.

Furthermore, the lifting rib where the fixed object is located is taken as a starting point, and the area formed by the three lifting ribs in a surrounding mode is divided into a first area, a second area and a third area along the clockwise direction.

A drying control method for a drum of a drum washing machine is characterized by comprising the following steps:

firstly, putting clothes into an inner barrel; detecting the resultant force of the eccentricity of the clothes and the eccentricity of the fixed object passing through the circle center;

step two, judging whether the resultant force of the circle centers exceeds the eccentric range value of the high-speed rotating speed, if not, performing high-speed rotating dehydration, and if so, executing step three;

step three, judging whether the clothes are positioned in the first area or the third area, if so, correcting the clothes to be eccentric to the second area, and detecting the resultant force of the circle centers again, executing step four, and if not, performing low-speed rotation dehydration;

and step four, judging whether the resultant force of the circle centers exceeds the eccentric range value of the high-speed rotating speed, if not, performing high-speed rotating dehydration, and if so, performing low-speed rotating dehydration.

Further, the eccentricity range of the high-speed rotating speed in the second step and the fourth step is 400g-600 g.

Further, the laundry is corrected to be eccentric to the second region by the rotation of the inner tub in the third step.

The invention has the following beneficial effects:

according to the invention, a fixed object is placed as a fixed eccentric center through one of the lifting ribs, when the larger eccentric center of clothes is positioned in two adjacent areas of the lifting rib where the fixed object is positioned, namely a first area and a third area, the dewatering eccentricity of the inner barrel is larger, and the drum washing machine rotates at a low speed; when the great eccentricity of clothing is located the relative region of promotion muscle at fixed object place, the second region promptly, interior bucket dehydration off-centre reduces, and drum type washing machine can rotate at a high speed, and because of the clothing is more, the off-centre is less, so fixed off-centre when not influencing the high-speed dehydration of more clothing, the unable dehydration's of less clothing of fine solution problem has also improved drum type washing machine dehydration's probability, has practiced thrift the time of doing washing greatly.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a drum washing machine according to the present invention;

FIG. 2 is a front view of the drum of the present invention;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a schematic view of the construction of the lifting bar with a fixed object of the present invention;

FIG. 5 is a schematic view of the construction of the lifting bar of the present invention without the object secured thereto;

FIG. 6 is a flow chart of a method for controlling drying of a drum washing machine;

in the drawings, the components represented by the respective reference numerals are listed below:

1-inner barrel, 101-lifting rib, 102-flange shaft, 103-fixed object, a-first area, b-second area and c-third area.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "around", and the like, indicate an orientation or positional relationship only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a drum of a drum washing machine includes an inner tub 1, a flange shaft 102 is disposed on an inner sidewall of the inner tub 1, three lifting ribs 101 are circumferentially arrayed on an end portion of the flange shaft 102 close to the inner tub 1, the other side of the lifting ribs 101 abuts against the inner tub 1, the flange shaft 102 and the inner tub 1 rotate together at a high speed, and clothes are subject to centrifugal force in the inner tub 1, so that moisture on the clothes is thrown out.

Referring to fig. 4 and 5, a fixed object 103 is disposed in one of the lifting ribs 101, the three lifting ribs 101 equally divide the inner tub 1 into three parts, the lifting rib 101 where the fixed object 103 is located is taken as a starting point, and a region surrounded by the three lifting ribs 101 is divided into a first region a, a second region b and a third region c along a clockwise direction, wherein the mass of the fixed object 103 is determined according to a dehydration program of the drum washing machine, that is, an absolute value of a difference between an eccentric mass of the laundry and a mass of the fixed object is within an allowable high-speed dehydration eccentric range of the drum washing machine as much as possible.

Referring to fig. 6, a method for controlling drying of a drum washing machine includes the following steps:

firstly, putting clothes into an inner barrel 1; detecting the over-center resultant force of the eccentricity of the clothes and the eccentricity of the fixed object 103;

step two, judging whether the resultant force of the circle centers exceeds the eccentric range value of the high-speed rotating speed, preferably, the eccentric range value of the high-speed rotating speed is 400-600 g, if not, performing high-speed rotating dehydration, and if so, executing step three;

step three, judging whether the clothes are positioned in a first area a or a third area c, namely adjacent areas of the lifting ribs 101 where the fixed objects 103 are positioned, if so, rotating the clothes through the inner barrel 1 to correct eccentricity to a second area b, namely opposite areas of the lifting ribs 101 where the fixed objects 103 are positioned, and detecting the resultant force of the circle centers again, executing step four, and if not, performing low-speed rotation dehydration;

and step four, judging whether the over-center resultant force exceeds the eccentric range value of the high-speed rotating speed, wherein the over-center resultant force is the absolute value of the difference between the eccentric force of the clothes and the eccentric force of the fixed object, preferably, the eccentric range value of the high-speed rotating speed is 400-600 g, if not, performing high-speed spin dehydration, and if so, performing low-speed spin dehydration.

Through this kind of mode, washing machine corrects the eccentric number of times and is at most three, fine saving dewatering time, in addition, also can obviously reduce the moisture that the clothing contains: according to the convention, when the washing machine dehydrates at a low speed, clothes are taken out and may still be showered by water, and the water content is about 100 percent; in this way, the washing machine generally dehydrates at a high speed, that is, the final clothes contain less water, and the water content is about 60%.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A drum of a drum washing machine, comprising an inner tub (1), characterized in that: the inner side wall of the inner barrel (1) is provided with a flange shaft (102), three lifting ribs (101) are arrayed on the circumference of the end part of the flange shaft (102) close to the inner barrel (1), the other side of each lifting rib (101) is abutted to the inner barrel (1), a fixed object (103) is arranged in one lifting rib (101), the flange shaft (102) and the inner barrel (1) rotate together at a high speed, and clothes are subjected to centrifugal force in the inner barrel (1) so as to throw out moisture on the clothes.

2. The drum of a drum washing machine according to claim 1, characterized in that the lifting rib (101) where the fixed object (103) is located is taken as a starting point, and the area enclosed by the three lifting ribs (101) is divided into a first area (a), a second area (b) and a third area (c) along the clockwise direction.

3. A method for controlling drying of a drum washing machine according to any one of claims 1-2, comprising the steps of:

firstly, putting clothes into an inner barrel (1); detecting the over-center resultant force of the eccentricity of the clothes and the eccentricity of the fixed object (103);

step three, judging whether the clothes are positioned in the first area (a) or the third area (c), if so, correcting the clothes to be eccentric to the second area (b), and detecting the resultant force of the circle center again, executing the step four, and if not, carrying out low-speed spin dehydration;

4. The method as claimed in claim 3, wherein the eccentricity of the high speed rotation in the second and fourth steps is in the range of 400g-600 g.

5. The method of claim 4, wherein the laundry is corrected to be eccentric to the second region (b) by the rotation of the inner tub (1) in the third step.