CN114687132A

CN114687132A - Eccentric control method for washing machine

Info

Publication number: CN114687132A
Application number: CN202011612109.2A
Authority: CN
Inventors: 高尚; 李青; 张金财; 黄本财; 崔华; 吕顺
Original assignee: Qingdao Haier Washing Electric Appliance Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Washing Electric Appliance Co Ltd; Haier Smart Home Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-07-01

Abstract

The invention discloses an eccentric control method of a washing machine, which comprises the following steps: s10, detecting the eccentricity condition of the load in the roller; s20, eccentricity judgment; s30, injecting water into the lifting rib structure needing to be added with weight; and S40, injecting water into all the lifting rib structures. By judging the type of the load eccentricity of the washing machine and then adopting different adjustment operations on the front and back eccentricity and the diagonal eccentricity, the correction of the eccentricity is facilitated, the quick adjustment is facilitated, and the efficiency of the eccentricity adjustment is improved. The diagonal eccentricity means that the center of gravity is not on the axis of the drum, and the eccentricity can be corrected by adjusting the weight of one or two lifting rib structures. The front-back eccentricity means that the center of gravity of the load deviates in the front-back direction, and the eccentricity resistance can be improved by increasing the weight of all the lifting rib structures; the water injection device can also be adjusted by adjusting the front and rear positions of the gravity centers of all the lifting rib structures, and the distribution of the water injected into all the lifting rib structures in the front and rear directions in the lifting rib structures is controlled.

Description

Eccentric control method for washing machine

Technical Field

The invention belongs to the technical field of washing machines, and particularly relates to an eccentric control method of a washing machine.

Background

With the improvement of living standard of people, more and more drum washing machines enter families of people. The dewatering mode of the drum washing machine is that the clothes are centrifugally moved along with the drum to throw out water in the clothes, but during dewatering, the drum washing machine is easily affected by the bias generated by uneven distribution of the clothes in the drum, so that the drum is collided, namely, the drum hits the outer box body, the displacement phenomenon can be generated in serious conditions, serious noise problems can be generated, and the service life of the washing machine can be influenced. With the continuous increase of the washing capacity of the washing machine and the continuous increase of the rotating speed of the dewatering and spin-drying, the problem of dewatering vibration displacement in the dewatering and spin-drying process becomes the bottleneck of the continuous development of the washing machine technology.

Carrying out eccentricity detection before dehydration, and after the eccentricity is detected, generally rotating an inner barrel to redistribute the clothes in the roller to eliminate the eccentricity; however, the load is also unbalanced after being redistributed, and only alarm and manual processing can be performed. The current approach to the unbalanced load is to redistribute the load, making the handling capacity weak.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

The invention provides an eccentric control method of a washing machine aiming at the problems in the prior art, which is more favorable for correcting eccentricity, quickly adjusting and improving the efficiency of eccentric adjustment by different operations of front and back eccentricity and diagonal eccentricity.

In order to realize the purpose of the invention, the invention adopts the following technical scheme to realize:

an eccentric control method of a washing machine, the washing machine is provided with a plurality of lifting rib structures uniformly distributed in a roller, a plurality of centrifugal water channels used for injecting water for the lifting rib structures and a water inlet structure used for providing water flow for the centrifugal water channels, the control method comprises the following steps:

s10, before entering a dehydration program, detecting the eccentricity condition of the load in the roller, and entering the dehydration program if the eccentricity value is smaller than a set eccentricity value; otherwise, entering an S20 eccentricity type judgment step;

s20, judging the eccentric type, if the eccentric type is diagonal eccentric, the step S30 is executed, and if the eccentric type is front and back eccentric, the step S40 is executed;

s30, judging the lifting rib structure needing to be added with weight according to the diagonal eccentricity condition; starting the roller to rotate, and simultaneously controlling the water inlet structure to inject water into the lifting rib structure needing to increase the weight;

s40, injecting water into all the lifting rib structures; and starting the roller to rotate, and simultaneously controlling the water inlet structure to inject water into all the lifting rib structures.

Furthermore, the lifting rib structure is provided with a plurality of chambers which are communicated with each other from front to back; when the rotating speed of the roller is greater than or equal to a set rotating speed, the chambers are filled with water injected into the lifting rib structures in sequence in the front-rear direction.

Furthermore, the lifting rib structure is provided with a plurality of chambers which are arranged in a front-back communication manner; when the rotating speed of the roller is less than the set rotating speed, water injected into the lifting rib structure is injected into the cavity on the front side and flows to the cavity on the rear side.

Further, the set rotating speed is 300 to 600 revolutions per minute.

Further, the set rotating speed is 400 to 500 revolutions per minute.

Further, in the water injection process of the lifting rib structure, the rotating speed of the roller is greater than the minimum water injection rotating speed, and the minimum water injection rotating speed is 100-150 rpm.

Further, in steps S30 and S40, the rotation speed of the drum is less than the set rotation speed, the eccentricity of the load in the drum is detected during the water filling process, and the water filling is continued when the eccentricity is greater than or equal to the set eccentricity; and when the eccentricity value is smaller than the set eccentricity value, stopping water injection to finish eccentricity adjustment.

And further, when the eccentricity value is greater than or equal to the set eccentricity value and the lifting rib structure is filled with water, stopping water injection and alarming.

Further, in step S40, if the rear eccentricity is detected, the rotation speed of the drum is greater than or equal to the set rotation speed; if the front eccentricity is achieved, the rotating speed of the roller is smaller than the set rotating speed.

Further, detecting the eccentricity of the load in the roller in the water injection process, and continuing to inject water when the eccentricity is greater than or equal to a set eccentricity; and when the eccentricity value is smaller than the set eccentricity value, stopping water injection, and finishing eccentricity adjustment.

Further, under the condition of front eccentricity, when the eccentricity value is greater than or equal to the set eccentricity value and the lifting rib structure is filled with water, the water injection is stopped, so that the water in the lifting rib structure flows out, and the gravity center of the lifting rib structure 10 is controlled to move backwards.

Furthermore, the centrifugal water channels are fixedly arranged on the rear flange of the roller and are of coaxially arranged arc structures.

Further, the water inlet structure is provided with a nozzle capable of spraying water into the water inlet channel, and in step S20, when the centrifugal water channel of the lifting rib structure needing water injection passes through the nozzle, the nozzle is opened; when the centrifugal water channel of the lifting rib structure which does not need water injection passes through the nozzle, the nozzle is closed.

Compared with the prior art, the invention has the advantages and positive effects that: by judging the type of the load eccentricity of the washing machine and then adopting different adjustment operations on the front and back eccentricity and the diagonal eccentricity, the correction of the eccentricity is facilitated, the quick adjustment is facilitated, and the efficiency of the eccentricity adjustment is improved. The diagonal eccentricity means that the center of gravity is not on the axis of the drum, and the eccentricity can be corrected by adjusting the weight of one or two lifting rib structures. The front-back eccentricity means that the center of gravity of the load deviates in the front-back direction, and the eccentricity resistance can be improved by increasing the weight of all the lifting rib structures; the water injection device can also be adjusted by adjusting the front and rear positions of the gravity centers of all the lifting rib structures, and the distribution of the water injected into all the lifting rib structures in the front and rear directions in the lifting rib structures is controlled.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of an eccentric control method of a washing machine according to the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of the configuration of FIG. 2 with a centrifugal water channel exploded at the bowl;

FIG. 4 is a schematic diagram of the centrifugal flume of FIG. 3;

FIG. 5 is an enlarged schematic view of region B in FIG. 4;

FIG. 6 is a schematic illustration of the exploded structure of FIG. 4;

FIG. 7 is an enlarged view of the area C in FIG. 6;

FIG. 8 is an axial cross-sectional view of the water inlet structure of FIG. 1;

FIG. 9 is an enlarged schematic view of the water inlet structure of FIG. 8;

fig. 10 is a cross-sectional structural view of the upper lifting rib structure in fig. 8;

FIG. 11 is an enlarged schematic view of a portion of the structure of FIG. 10;

FIG. 12 is a schematic cross-sectional view of the upper lifting rib structure of FIG. 8 at the water inlet;

FIG. 13 is an enlarged view of the area A in FIG. 12;

FIG. 14 is a cross-sectional structural view of the centrifuge assembly;

FIG. 15 is a schematic structural view of the lifting rib structure of FIG. 2;

FIG. 16 is a schematic view of the structure of FIG. 15 after the upper lid has been exploded;

FIG. 17 is a schematic view of the exploded structure of FIG. 15;

FIG. 18 is a bottom view of the cover of FIG. 17;

FIG. 19 is a schematic structural view of the base of FIG. 17;

FIG. 20 is a schematic illustration of the internal flume of FIG. 17;

FIG. 21 is a cross-sectional structural view taken adjacent to the diaphragm assembly of FIG. 15;

FIG. 22 is a schematic cross-sectional view of the diaphragm assembly of FIG. 15 taken away from the diaphragm assembly;

fig. 23 is a flowchart of an eccentric control method of a washing machine.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the positional relationships shown in the drawings, and the directions near the axis of the drum are "inner", and conversely "outer". The terminology is for the purpose of describing the invention only and is for the purpose of simplifying the description, and is not intended to indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated, and is not to be considered limiting of the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example one

Referring to fig. 1 to 23, which are first embodiments of an eccentricity control method of a washing machine according to the present invention, the washing machine has a plurality of lifting rib structures 10 uniformly distributed in a drum 20, a plurality of centrifugal water channels 30 for supplying water to the plurality of lifting rib structures 10, and a water inlet structure 40 for supplying water to the centrifugal water channels 30. An eccentric control method of a washing machine is used before a dehydration program of the washing machine.

An eccentric control method of a washing machine, comprising the following steps:

s10, before entering a dehydration program, detecting the eccentricity condition of the load in the roller 20, and if the eccentricity value is smaller than a set eccentricity value, entering the dehydration program; otherwise, the process proceeds to step S20 where the eccentricity type is judged.

Specifically, during the water inlet dewatering process, the eccentricity of the load inside the drum needs to be detected, and the motor of the drum washing machine can dewater the clothes inside the drum at the speed higher than the preset eccentricity value.

judging the type of eccentricity, namely diagonal eccentricity, namely that the center of gravity of the load is not on the axis of the roller 20; the washed clothes are more, or the washed clothes are large clothes such as bed sheets, bed covers and the like, and diagonal eccentricity is easily formed in the drum; the other is front-rear eccentricity, the center of gravity of the load is on the axis of the drum 20 but not in the middle of the front-rear direction, the center of gravity of the load is moved forward to be front eccentricity, and the center of gravity of the load is moved backward to be rear eccentricity.

S30, judging the lifting rib structure 10 needing to increase the weight according to the diagonal eccentricity condition; the drum 20 is started to rotate, and at the same time, the water inlet structure 40 is controlled to inject water into the lifting rib structure 10 which needs to be added with weight.

In particular, eccentricity can be corrected by adjusting the weight of one or both of the lifting rib structures.

S40, injecting water into all the lifting rib structures 10; the drum 20 is started to rotate, and the water inlet structure 40 is controlled to fill water into all the lifting rib structures 10.

Specifically, the front eccentricity and the rear eccentricity can be increased by increasing the weight of all the lifting rib structures 10, so that the eccentricity value is reduced to be smaller than a set eccentricity value; the distribution of water injected into all the lifting rib structures 10 in the front-rear direction in the lifting rib structures 10 can be controlled by adjusting the front-rear positions of the gravity centers of all the lifting rib structures 10.

By judging the type of the load eccentricity of the washing machine and then adopting different adjustment operations on the front and back eccentricity and the diagonal eccentricity, the correction of the eccentricity is facilitated, the quick adjustment is facilitated, and the efficiency of the eccentricity adjustment is improved.

The lifting rib structure 10 has a plurality of chambers 141 arranged in front and rear communication; when the rotating speed of the drum 20 is greater than or equal to the set rotating speed, the chambers are filled with water injected into the lifting rib structure 10 in sequence in the front-rear direction; that is, can control the distribution of rivers in the promotion muscle structure 10 in the front and back direction for can be when the back is eccentric appearing, through the rotational speed of control cylinder 20 is greater than or equal to the rotational speed of setting for, make rivers fill the front side cavity in the promotion muscle structure 10 earlier, promote the focus antedisplacement of muscle structure 10, make cylinder 20 be favorable to the quick eccentricity of correcting, improve the speed of rectifying. If the front eccentricity occurs, if the rotation speed of the drum 20 is controlled to be greater than or equal to the set rotation speed, the gravity center of the lifting rib structure 10 moves forward in the early stage of water injection, so that the front eccentricity is increased.

When the rotation speed of the drum 20 is less than the set rotation speed, the water injected into the lifting rib structure 10 is injected into the front side chamber 141 and flows toward the rear side chamber 141; that is, the water injected into the lifting rib structure 10 is uniformly distributed in each chamber 141 as much as possible; the center of gravity of the lifting rib structure 10 does not move in the front-rear direction during the water flow injection. The set rotation speed is 300 to 600 rpm, preferably 400 to 500 rpm.

Of course, the rotation speed of the drum 20 cannot be too slow during the water injection process, otherwise water cannot be injected into the cavity 10 and the injected water flows out; in the water injection process of the lifting rib structure 10, the rotation speed of the roller 20 is greater than the minimum water injection rotation speed, and the minimum water injection rotation speed is 100-150 rpm.

The centrifugal water channels 30 are fixedly arranged on the rear flange 21 of the roller 20, and the centrifugal water channels 30 are coaxially arranged in an arc structure. The water inlet structure 40 is provided with a nozzle 41 capable of injecting water into the water inlet channel, and in step S20, when the centrifugal water channel 30 of the lifting rib structure 10 to be filled with water passes through the nozzle 41, the nozzle 41 is opened; the nozzle 41 is closed when the centrifugal watercourse 30 of the lifting rib structure 10, which does not require water injection, passes the nozzle 41. By controlling the opening or closing of the nozzles 41, the lifting rib structure 10 requiring water injection can be injected with water.

The lifting rib structure 10 is fixedly arranged at the inner side of a drum 20 of the washing machine, and the lifting rib structure 10 is provided with a cavity 14 capable of containing water; the water inlet structure 40 is fixedly arranged at the rear end of the outer barrel 50, the centrifugal water channel 30 is fixedly arranged on the rear flange 21 of the roller 20, and the centrifugal water channel 30 is provided with a water inlet channel 31 for injecting water into the cavity 14; the water inlet structure 40 is provided with a nozzle 41 for injecting a water stream into the water inlet channel 31. The centrifugal water channel 30 is used for injecting water into the cavity 14, so that the weight of the lifting rib structure 10 is increased, the eccentricity of the washing machine during dehydration can be adjusted, and the balance capacity of the washing machine is improved; in the dewatering process of the washing machine, when the dewatering process cannot be started due to eccentricity, water needs to be injected into the cavity 14, the nozzle 41 is opened, water flow sprayed from the nozzle 41 can enter the water inlet channel 31, and water in the water inlet channel 31 is injected into the cavity 14 through the centrifugal force generated by rotation of the drum 20, so that the weight of the lifting rib structure 10 is increased, and the eccentric adjustment effect is achieved.

Referring to fig. 2, the lifting rib structure 10 is located in the drum 20 and needs to rotate together with the drum 20, and the centrifugal water channel 30 is connected with the lifting rib structure 10; as for the method of supplying the water flow to the centrifugal water channel 30, the nozzle 41 may be connected to the water inlet channel 31 by providing a flexible pipe between the nozzle 41 and the water inlet channel 31, so as to deliver water under pressure into the water inlet channel 31. In this embodiment, the nozzle 41 and the water inlet channel 31 are spaced apart from each other, water in the nozzle 41 is sprayed into the water inlet channel 31, and the water in the water inlet channel 31 flows into the chamber 14 by a centrifugal force generated by the rotation of the drum 20; that is, water is introduced by centrifugal force during the rotation of the drum 20. Preferably, the centrifugal water channel 30 is an arc-shaped structure coaxially disposed with the rear flange 21.

In this embodiment, the drum 20 is provided with three uniformly distributed lifting rib structures 10 and three centrifugal water channels 30. In other embodiments, one lifting rib structure 10 as described above may be provided.

Referring to fig. 2-7, 9 and 13, a specific structure of the water inlet channel 31 is illustrated, wherein the water inlet channel 31 has an arc-shaped water inlet channel cavity 311, the water inlet channel cavity 311 is provided with a water inlet channel opening 312 at a side close to the water inlet structure 311, and the water inlet channel opening 312 is used for the water flow sprayed by the nozzle 41 to enter the water inlet channel cavity 311. The nozzle 41 is fixedly arranged at the rear end of the outer cylinder 50, and when the nozzle 41 is opened and the water inlet channel port 312 rotates along with the roller 20 and passes through the nozzle 41, water flow is sprayed into the water inlet channel cavity 311; it can be set that the nozzle 41 and the water inlet channel opening 312 are in a coaxial arc surface, that is, the distance between the nozzle 41 and the axis of the drum 20 is equal to the distance between the water inlet channel opening 312 and the axis of the drum 20; the inlet 312 is of an arc-shaped strip structure.

A plurality of water storage partition plates 3112 for partitioning a plurality of water storage chambers 3111 in the inlet passage cavity 311 are disposed in the inlet passage cavity 311, and the water storage partition plates 3112 are radially outwardly extended along an inner diameter side of the inlet passage cavity 311. The plurality of water storage compartments 3111 are sequentially disposed adjacent to each other in the circumferential direction, and the plurality of water storage compartments 3111 are disposed to improve the water storage capacity of the inlet passage cavity 311, and the water injected into the water storage compartments 3111 is blocked by the water storage partition 3112 to provide a force for the water to rotate along with the drum 20. The inlet passage cavity 311 further includes a centrifugal communicating portion 3113 located outside the plurality of water storage chambers 3111, and the centrifugal communicating portion 3113 is configured to convey water in the inlet passage cavity 311 into the cavity 14; the water introduced into the water inlet passage chamber 311 moves outward by the centrifugal action, and enters the centrifugal communicating portion 3113. The water storage partition 3112 is spaced from the outer diameter side wall of the inlet passage chamber 311, that is, a continuous centrifugal communicating portion 3113 is formed in the inlet passage chamber 311.

In order to make the water that sprays into inlet water road junction 312 can get into through inlet channel chamber 311 and promote muscle structure 10, be equipped with inwards and to being close to inlet structure 40 direction extension water nozzle 313 that sets up in inlet water road junction 312, water nozzle 313 slope sets up, be favorable to the outside guide of water flow direction that sprays with nozzle 41, make rivers have radial outside power, rivers get into behind reservoir chamber 3111, water storage baffle 3112 gives the thrust that rivers rolled over, and under the effect of outside power, rivers get into centrifugal intercommunication portion 3113.

Referring to fig. 7 and 13, the water nozzle 313 has a first water guiding edge 3131 and a second water guiding edge 3132 extending rearward and inward along the inner and outer ends of the water inlet channel opening 312. The projection of the second water guiding edge 3132 in the axial direction covers the water inlet channel opening 312, that is, if the nozzle 41 sprays water flow in the axial direction, the water cannot enter the water guiding nozzle 313, and the water spraying direction of the nozzle 41 is set to be outward and forward, so that the water flow sprayed by the nozzle 41 has an outward force; it is preferable that the direction of the water jet from the nozzle 41 is inclined to the rotation direction of the drum 20 when the water is injected into the rib structure 10, so that the water jet has a force in the rotation direction of the drum 20 and an outward centrifugal force, which facilitates the water flow to enter the water inlet channel 311 and flow into the cavity 14 through the centrifugal communication part 3113.

A plurality of extending plates 3133 extending inward in the radial direction are provided at intervals on the second water guide edge 3132, and the extending plates 3123 are used for spacing the water inlet crossing 312. The radial section of the outer end surface of the first water guide edge 3131 is arc-shaped, the radial section of the inner end surface of the second water guide edge 3132 is straight-line-shaped, and the first water guide edge 31 and the second water guide edge are arranged in parallel. The water inlet 312 is disposed inside the water inlet cavity 311, that is, the water inlet 312 is disposed on the plurality of water storage chambers 3111.

The centrifugal water channel 30 is further provided with a water outlet channel 32 communicated with the water outlet 126 of the lifting rib structure 10, the water outlet channel 32 is used for guiding out water in the cavity 14, the water outlet channel 32 and the water inlet channel 31 are coaxially arranged, and the water outlet channel 32 is positioned on the outer side of the water inlet channel 31; one end of the water inlet channel 31 extends outwards to the end of the water outlet channel 31 and is provided with a water outlet 314 of the water channel. The lifting rib structure 10 is provided with a water inlet 125, which is opened on the rear flange 21, and the water inlet 125 extends out of the mounting opening and is communicated with the water outlet 314 of the water inlet channel 31. One end of the water outlet channel 31 is provided with a water channel inlet 321 which is arranged adjacent to the water channel outlet 314. The rear flange 21 is provided with a mounting table matched with the rear end face of the lifting rib structure 10, and the mounting opening 211 is formed in the mounting table 212.

The water inlet channel 31 is formed by buckling a channel bottom 319 and a channel cover 318, the channel cavity 311 is arranged on the channel bottom 319, and the water inlet channel opening 312 and the water nozzle 313 are arranged on the channel cover 318.

Referring to fig. 15-22, illustrating the structure of the lifting rib structure 10, the lifting rib structure 10 includes: the water-saving drum comprises a base 11, an upper cover 12 and an internal water channel 13, wherein the base 11 is fixedly arranged on a drum 20 through screws, the upper cover 12 is hermetically buckled on the inner side of the base 11, the upper cover 12 is close to the axis o-o direction of the drum 2, the internal water channel 13 is arranged in a cavity 14 which is enclosed by the base 11 and the upper cover 12 and can contain water, water can be injected into the cavity 14, and water flows into the internal water channel 13 after entering the cavity 14; a water inlet 125 communicated with the internal water channel 14 is formed in the base 11 or the upper cover 12, a plurality of partition plate assemblies are arranged in the cavity 13 at intervals in the front-back direction, the plurality of partition plate assemblies are used for partitioning the cavity 14 into a plurality of communicated chambers 141, and the plurality of chambers 141 form the cavity 14. The lifting rib structure 10 is provided with the cavity 14 capable of containing water, so that the weight of the lifting rib structure 10 can be adjusted by injecting water into the cavity 14, the eccentricity of the washing machine during dehydration can be adjusted, and the eccentricity resistance of the washing machine can be improved. The integral weight of the lifting rib structures 10 is adjusted, so that the weight of the drum 20 is increased, and the eccentricity resistance of the washing machine is increased; the gravity center position of the load can be corrected by adjusting the weight of the partial lifting rib structure 10, and the diagonal eccentricity can be adjusted; and a plurality of communicated chambers 141 are arranged in the cavity 14, and water in the cavity 14 is mainly distributed in the front side chamber or the rear side chamber through adjustment, so that the center of gravity of the lifting rib structure 10 can be adjusted in the front and rear directions, and the front and rear eccentricity can be adjusted.

Referring to fig. 15, in the present embodiment, the upper cover 12 is provided with a water inlet 125 and a water outlet 126, the water inlet 125 and the water outlet 126 are arranged at the rear end of the base 10 side by side, and the water inlet 125 is connected to the internal water channel 13; the water flowing into the water inlet 125 flows into the inner waterway 13. The base 11 and the upper cover 12 are hermetically connected to form a cavity 14.

In other embodiments, the water inlet 125 or the water outlet 126 may be opened on the base 11.

Referring to fig. 16, the internal water channel 13 is used for conveying the water flow entering from the water inlet 125 to the end of the cavity 14 far away from the water inlet 125, in the embodiment, the water inlet 125 and the water outlet 126 are arranged at the rear end of the base 10, and the internal water channel 13 flows the water flow from back to front and flows out of the internal water channel 13 at the front part of the cavity 14; the plurality of chambers 141 are adjacently disposed in the front-rear direction in the cavity 14, that is, the water flow first reaches the chamber 141 at the foremost end in the cavity 14, and the plurality of chambers 141 are communicated with each other and then flow into the chamber 141 at the rear.

When the rotating speed of the drum 20 is greater than or equal to the set rotating speed, the water in the cavity 14 is located in the chamber 141 under the centrifugal action, and does not flow into the adjacent chamber 141 and does not flow to the water outlet 126; when the rotating speed of the drum 20 is less than the set rotating speed, the water in the cavity 14 flows out through the water outlet 126. When the rotating speed of the drum 20 is lower than the set rotating speed, the water in the cavity 14 flows to the chamber 141 near one end of the water outlet 126, and the water in the chamber 141 near the water outlet 126 flows out of the water outlet 126. The distribution of water in the cavity 14 can be controlled by controlling the rotating speed and time of the drum 20 when water is filled into the cavity 14, all the chambers 141 can be filled with water, that is, the water is mainly located in one or more adjacent chambers 141, and then the rotating speed of the drum 20 is controlled to be greater than or equal to a set rotating speed, so that the water in the chambers 141 is located in the chambers 141 and does not flow out, and the regulation of various deviation conditions of the washing machine is realized.

Referring to fig. 22 to 23, in order to communicate the plurality of chambers 141, a water passage port 1193 is provided between two adjacent chambers 141, so that water between the adjacent chambers 141 can flow; the cavity 14 is provided with a plurality of chambers 141 communicating with each other in the front-rear direction, i.e., the chambers 141 at the front and rear ends, and the other chambers 141 are provided with two water openings 1193. During the rotation of the drum 20, the up-down positional relationship between the base 11 and the upper cover 12 may change; the water through port 1193 is arranged at one end of the clapboard component far away from the base 11, and the water through port 1193 is close to the upper cover 12; when the lifting rib structure 10 is located at the lower end of the drum 20, the water passage 1193 is located at the middle of the upper portion of the partition plate assembly, and at this time, after the water surface in the rear chamber 141 reaches the water passage 1193, the water flows into the adjacent previous chamber 141.

In order to restrict the water in the chamber 141 from flowing to the end close to the water outlet 126, the upper lid 12 is provided with a baffle plate 121 for guiding the water in the chamber 141 to a water passage port 1193 close to the end of the water outlet 126. The plurality of partition plate members are arranged in parallel in the front-rear direction, and water flows into the internal water passage 13 from the water inlet 125, then flows into the foremost chamber 141, and then flows backward into the chambers 141 in sequence through the water passage openings 1193. The guide plate 121 is an arc-shaped plate which is arranged in the chamber 141 and far away from the corner of the water through opening 1193 and extends towards the water through opening 1193, and the upper cover 12 is provided with the guide plate 121 which is symmetrical left and right; two baffles 121 are arranged in each chamber 141, and the baffles 121 extend obliquely from the left side angle or the right side angle of the rear part of the chamber 141 to the water through port 1193.

Referring to fig. 20, the internal water channel 13 has a main body segment 131 arranged in the front-rear direction, a bending segment 132 bent along the rear end of the main body segment 131 and extending toward the water inlet 125, and the bending segment 132 is arranged to facilitate water flow flowing into the main body segment 131 from the bending segment 132 when the bending segment 132 is located on the upper side of the main body segment 131; while preventing backflow of water in the inner waterway 13. The internal waterway 13 is sealed by an internal waterway groove 133 engaged with the diaphragm assembly and an internal waterway cover 134 integrally formed with the upper cover 12.

Referring to fig. 16 to 20, the partition assembly has a plurality of bottom partitions 119 provided on the base 11, a plurality of upper partitions 129 provided on the upper cover 12 and matching with the bottom partitions 119, and the inner waterway groove 133 is engaged and fixed to the bottom partitions 119. Inside water course 13 still has the mounting panel 135 of being connected with interior water course groove 133, and the setting is extended to keeping away from interior water course lid 134 direction to mounting panel 135, is equipped with on bottom baffle 119 with the first mounting groove 1191 of mounting panel 135 assorted, and mounting panel 135 is installed in first mounting groove 1191, and mounting panel 135 sets up with the bottom surface interval of cavity 14, and the bottom surface that also is exactly mounting panel 135 and cavity 14 has the space that rivers pass through.

The second mounting grooves 118 for mounting the mounting plate 135 are provided on both the front wall plate and the rear wall plate of the base 11, that is, the dimension of the mounting plate 135 in the front-rear direction matches the dimension of the cavity 14 in the front-rear direction.

A notch is arranged at the upper end of the bottom clapboard 119, and a water through port 1193 for communicating two adjacent chambers 141 is formed between the notch and the inner wall of the upper cover 12. The water passage 1190 is partitioned into left and right parts by the internal water passage 13. Two guide plates 121 are disposed in each chamber 141 to guide water to the two parts of the water port 1193.

Referring to fig. 21, the base 11 has an upper opening structure, the upper cover 12 has a lower opening structure, and the base 11 and the upper cover 12 are fastened and sealed. The upper cover 12 has a main body 120 sealingly engaged with the base 11, and an extending portion 128 extending along the main body 120 toward the base 11 and covering the outer side of the base 12.

Example two

The present invention provides a second embodiment of an eccentric control method for a washing machine, which is different from the first embodiment in that: the detection of the eccentricity value is added during the water filling process, and the same structure or method as that of the first embodiment may be adopted.

s10, before entering a dehydration program, detecting the eccentricity condition of the load in the roller 20, and if the eccentricity value is less than or equal to a set eccentricity value, entering the dehydration program; otherwise, the process proceeds to step S20 where the eccentricity type is judged.

S30, judging the lifting rib structure 10 needing to increase the weight according to the diagonal eccentricity condition; starting the roller 20 to rotate, wherein the rotating speed of the roller is less than the set rotating speed and greater than the minimum water injection rotating speed, and simultaneously controlling the water inlet structure 40 to inject water into the lifting rib structure 10 needing to increase the weight;

detecting the eccentricity of the load in the roller 20 in the water injection process, and continuing to inject water when the eccentricity value is greater than or equal to the set eccentricity value; when the eccentricity value is smaller than the set eccentricity value, stopping water injection and finishing eccentricity adjustment;

and when the eccentricity value is greater than or equal to the set eccentricity value and the lifting rib structure is filled with water, stopping water injection and performing alarm processing.

S40, injecting water into all the lifting rib structures 10; starting the roller 20 to rotate, wherein the rotating speed of the roller is less than the set rotating speed and greater than the minimum water injection rotating speed, and simultaneously controlling the water inlet structure 40 to inject water into all the lifting rib structures 10;

detecting the eccentricity of the load in the roller in the water injection process, and continuing to inject water when the eccentricity value is greater than or equal to a set eccentricity value; when the eccentricity value is smaller than the set eccentricity value, stopping water injection and finishing eccentricity adjustment;

Example two

The present invention provides a third embodiment of an eccentric control method for a washing machine, which is different from the second embodiment in that: the front and rear eccentricity adjustment steps are different, and the same structure or method as that of the first embodiment may be adopted.

S40, injecting water into all the lifting rib structures 10; if the rear eccentricity is detected, the rotation speed of the drum 20 is controlled to be greater than or equal to the set rotation speed, and the process proceeds to step S41; if the rotation speed is the front eccentricity, the rotation speed of the drum is controlled to be less than the set rotation speed and greater than the minimum water injection rotation speed, and the process proceeds to step S42.

S41, detecting the eccentricity of the load in the roller in the water injection process, and continuing to inject water when the eccentricity value is greater than or equal to a set eccentricity value; when the eccentricity value is smaller than the set eccentricity value, stopping water injection and finishing eccentricity adjustment;

S42, detecting the eccentricity of the load in the roller in the water injection process, and continuing to inject water when the eccentricity value is greater than or equal to a set eccentricity value; when the eccentricity value is smaller than the set eccentricity value, stopping water injection and finishing eccentricity adjustment;

and when the eccentricity value is greater than or equal to the set eccentricity value and the lifting rib structure is filled with water, stopping water injection to enable the water in the lifting rib structure to flow out.

In the case where the forward eccentricity cannot be corrected after the weight is added to all the lifting rib structures 10, the control moves the center of gravity of the lifting rib structure 10 backward, that is, the outflow in the front side chamber 141 in the lifting rib structure 10. After stopping water injection, when the rotating speed of the control drum is less than the set rotating speed and greater than the minimum water injection rotating speed, the water in the cavity 141 flows to the rear side cavity, and the water in the last side cavity 141 flows out of the cavity 14; that is, the water in the front chamber 141 is reduced and flows out, so that the center of gravity of the lifting rib structure 10 is moved backward, and the front eccentricity of the load is corrected.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The eccentric control method of the washing machine is characterized in that the washing machine is provided with a plurality of lifting rib structures uniformly distributed in a roller, a plurality of centrifugal water channels used for injecting water for the lifting rib structures and a water inlet structure used for providing water flow for the centrifugal water channels, and the control method comprises the following steps:

s20, judging the eccentric type, if it is diagonal eccentricity, then entering step S30, if it is front and back eccentricity, then entering step S40;

2. The eccentric control method according to claim 1, characterized in that the lifting rib structure has a plurality of chambers arranged in front and rear communication; when the rotating speed of the roller is greater than or equal to a set rotating speed, the chambers are filled with water injected into the lifting rib structures in sequence in the front-rear direction.

3. The eccentric control method according to claim 1, characterized in that the lifting rib structure has a plurality of chambers arranged in front and rear communication; when the rotating speed of the roller is lower than the set rotating speed, water injected into the lifting rib structure is injected into the cavity at the front side and flows towards the cavity at the rear side.

4. The eccentricity control method according to any one of claims 1 to 3, wherein, in steps S30 and S40, the rotation speed of the drum is less than a set rotation speed, eccentricity of a load in the drum is detected during water injection, and water injection is continued when the eccentricity value is greater than or equal to the set eccentricity value; and when the eccentricity value is smaller than the set eccentricity value, stopping water injection and finishing eccentricity adjustment.

5. The eccentric control method according to claim 5, wherein when the eccentric value is greater than or equal to the set eccentric value and the lifting rib structure is filled with water, the water injection is stopped and an alarm is given.

6. The eccentricity control method according to any one of claims 1 to 3, wherein in step S40, if it is rear eccentricity, the rotation speed of the drum is greater than or equal to a set rotation speed; if the front eccentricity is achieved, the rotating speed of the roller is smaller than the set rotating speed.

7. The eccentricity control method according to claim 6, wherein the eccentricity of the load in the drum is detected during the water injection, and when the eccentricity is greater than or equal to a set eccentricity, the water injection is continued; and when the eccentricity value is smaller than the set eccentricity value, stopping water injection, and finishing eccentricity adjustment.

8. The eccentricity control method according to claim 7, wherein in the case of forward eccentricity, when the eccentricity value is greater than or equal to the set eccentricity value and the lifting rib structure is filled with water, the water injection is stopped, so that the water in the lifting rib structure flows out, and the control moves the center of gravity of the lifting rib structure 10 backward.

9. The eccentric control method according to any one of claims 1 to 3, wherein the centrifugal water passage is fixedly provided on a rear flange of the drum, and a plurality of the centrifugal water passages are of an arc structure coaxially provided.

10. The eccentric control method according to claim 9, wherein the water inlet structure is provided with a nozzle for injecting water into the water inlet channel, and the nozzle is opened when the centrifugal water channel of the lifting rib structure to be filled passes through the nozzle in step S20; when the centrifugal water channel of the lifting rib structure which does not need water injection passes through the nozzle, the nozzle is closed.