CN107780137B - Washing machine without water between inner and outer barrels and control method thereof - Google Patents

Washing machine without water between inner and outer barrels and control method thereof Download PDF

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Publication number
CN107780137B
CN107780137B CN201610767792.4A CN201610767792A CN107780137B CN 107780137 B CN107780137 B CN 107780137B CN 201610767792 A CN201610767792 A CN 201610767792A CN 107780137 B CN107780137 B CN 107780137B
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China
Prior art keywords
sand discharge
inner barrel
sand
barrel
washing machine
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CN201610767792.4A
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CN107780137A (en
Inventor
刘尊安
纪虎
公涛
宋秀顺
徐凯
刘译阳
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Qingdao Haier Washing Machine Co Ltd
Haier Smart Home Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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Priority to CN201610767792.4A priority Critical patent/CN107780137B/en
Priority to PCT/CN2017/097890 priority patent/WO2018040935A1/en
Publication of CN107780137A publication Critical patent/CN107780137A/en
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02Rotary receptacles, e.g. drums
    • D06F37/12Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/30Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/36Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/30Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/38Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of rinsing
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08Liquid supply or discharge arrangements

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The invention provides a washing machine without water between an inner barrel and an outer barrel and a control method thereof, wherein the washing machine comprises: an outer tub; the inner barrel is rotatably arranged in the outer barrel; the impeller is rotatably arranged at the bottom of the inner barrel; in the washing/rinsing process, the inner barrel is filled with water, and no water exists between the inner barrel and the outer barrel; the bucket wall of interior bucket sets up the row's husky passageway that is used for debris such as silt to discharge: in the washing/rinsing process of the washing machine, water flow cannot flow out of the sand discharge channel, and in the dewatering process, impurities such as silt washed by the water flow are discharged from the sand discharge channel. The washing machine without water between the inner barrel and the outer barrel discharges sand and other sundries on clothes by arranging the sand discharge channel on the inner barrel.

Description

Washing machine without water between inner and outer barrels and control method thereof
Technical Field
The invention relates to the technical field of washing devices, in particular to a washing machine without water between an inner barrel and an outer barrel and a control method thereof.
Background
As shown in fig. 1, the conventional washing machine includes a casing 16, and an outer tub 15 and an inner tub 14A disposed in the casing 16, wherein the inner tub 14A is rotatably disposed in the outer tub 15. In order to realize the dewatering function of the clothes, the wall of the inner tub 14A is fully provided with dewatering holes, so that when the clothes are washed, the washing water flows between the inner tub 14A and the outer tub 15 through the dewatering holes, and the washing water cannot be fully utilized, so that the waste of water resources is caused.
In addition, because the problem of depositing water between inner barrel 14A and outer barrel 15 can lead to breeding the dirt in inner barrel 14A's outer wall, outer barrel 15's inner wall and the region between inner barrel 14A and outer barrel 15, pollute user's clothing, seriously influence user's laundry experience.
In order to solve the above problems, as shown in fig. 2, the existing washing machine has the main structural characteristic that no hole is formed in the wall of the inner tub 14B, so that when washing is performed, only water is contained in the inner tub 14B, and no water is contained between the inner tub 14B and the outer tub 15, so that the water consumption for washing is saved, dirt breeding between the inner tub 14B and the outer tub 15 is avoided, the clothes pollution is avoided, the washing effect is improved, and the user experience is improved.
Above-mentioned washing machine that does not have water between inner barrel and outer bucket when washing is after using a period, because on the inner barrel 14B sclausura, debris such as silt after the washing probably can't in time discharge, and this just leads to the bottom of inner barrel 14B can produce debris such as silt and gather, influences user's laundry effect.
The invention is especially provided for solving the problem of discharging silt and other sundries of the washing machine without water between the inner barrel and the outer barrel during washing.
Disclosure of Invention
In order to solve the above problems, a first object of the present invention is to provide a washing machine without water between an inner tub and an outer tub, and specifically, the following technical solution is adopted:
a washing machine having no water between an inner tub and an outer tub, comprising:
an outer tub;
the inner barrel is rotatably arranged in the outer barrel;
the impeller is rotatably arranged at the bottom of the inner barrel;
in the washing/rinsing process, the inner barrel is filled with water, and no water exists between the inner barrel and the outer barrel;
the bucket wall of interior bucket sets up the row's husky passageway that is used for debris such as silt to discharge: in the dewatering process of the washing machine, sundries such as silt washed by water flow are discharged from the sand discharge channel.
As a preferred embodiment of the present invention, the sand inlet of the sand discharge channel is arranged at the bottom of the inner barrel and below the impeller, and the sand discharge port of the sand discharge channel is arranged near the throwing port at the upper part of the inner barrel and leads to the space between the inner barrel and the outer barrel;
the sand inlet and the sand outlet of the sand discharge channel are arranged to meet the requirements that: in the dewatering process of the washing machine, sundries such as silt washed by water flow are discharged from the sand discharge port.
As a preferred embodiment of the invention, a sand discharge cover is arranged on the barrel wall of the inner barrel, and a sand discharge channel is formed between the sand discharge cover and the barrel wall of the inner barrel;
the sand inlet of the sand discharge channel is arranged at the bottom of the inner barrel and below the impeller, and the sand discharge port of the sand discharge channel is arranged close to the throwing port at the upper part of the inner barrel and is higher than the highest water level of the washing machine.
As a preferred embodiment of the present invention, the sand discharge cover comprises a top wall and side walls on two opposite sides of the top wall, the side walls are in close contact with the inner wall of the inner barrel, and a sand discharge channel is formed between the top wall and the inner wall of the inner barrel at an interval.
As a preferred embodiment of the invention, the inner barrel comprises an inner barrel bottom and a barrel body which surrounds the inner barrel bottom into a circle, the impeller is rotatably arranged at the inner barrel bottom, and the side wall of the upper end of the barrel body is provided with a sand discharge opening;
one end of the sand discharge cover extends to the bottom of the inner barrel and forms a sand inlet of the sand discharge channel with the bottom of the inner barrel, and the other end of the sand discharge cover is matched with the sand discharge opening to form a sand discharge opening of the sand discharge channel;
preferably, the sand inlet of the sand discharge passage is arranged at the lowest position of the bottom of the inner barrel.
As a preferred embodiment of the present invention, the sand inlet of the sand discharge passage is disposed at the lowest position of the bottom of the inner tub, and the sand discharge opening is opened on the upper end side wall of the tub body.
As a preferred embodiment of the present invention, one end of the sand discharge cover extending to the bottom of the inner tub includes a first lateral wall extending toward the center of the inner tub, a first vertical wall connected to the first lateral wall and extending toward the bottom of the inner tub, and a second lateral wall connected to the first vertical wall and extending toward the center of the inner tub;
the first vertical wall is matched with the outer edge of the wave wheel, and the second transverse wall and the bottom of the inner barrel are provided with sand inlets at intervals to form a sand discharge channel.
As a preferred embodiment of the invention, the inner barrel further comprises a flange plate, the flange plate is arranged on the bottom of the inner barrel, the flange plate, the bottom of the inner barrel and the barrel body are enclosed to form the watertight inner barrel, and a balance ring is arranged on a feeding opening at the upper part of the barrel body;
one end of the barrel body, which is close to the balance ring, is provided with a circle of dewatering holes, and the sand discharge opening is positioned above the dewatering holes.
As a preferred embodiment of the present invention, the sand discharge cover comprises a plurality of sand discharge covers which are respectively and uniformly distributed along the circumferential direction of the inner wall of the inner barrel;
preferably, the sand discharge cover comprises 1-6;
further preferably, the sand discharge cover comprises 4 sand discharge covers.
The first invention of the invention is to provide a control method of a washing machine without water between an inner barrel and an outer barrel, in particular to adopt the following technical scheme:
a control method of the washing machine without water between the inner barrel and the outer barrel is characterized in that the washing machine executes a washing/rinsing program, a wave wheel rotates at a rotating speed omega 1 to stir water flow for washing clothes, and the water flow cannot flow out from a sand discharge opening of a sand discharge channel at the rotating speed omega 1;
the washing machine executes a dehydration program, the impeller and the inner barrel synchronously rotate at the rotating speed omega 2 to dehydrate clothes, and the water flow washes impurities such as silt and the like at the rotating speed omega 2 and is discharged from a sand discharge port of the sand discharge channel;
wherein the rotation speed ω 1 is less than the rotation speed ω 2.
The third invention of the invention is to provide a control method of a washing machine without water between an inner barrel and an outer barrel, specifically, the following technical scheme is adopted:
a control method for the washing machine without water between the inner barrel and the outer barrel is disclosed, the washing machine further comprises a sand discharge program, and the sand discharge program comprises the following steps:
the washing machine receives an instruction for starting a sand discharge program;
the washing machine controls the inner barrel to rotate at a rotating speed omega 3, and impurities such as silt and the like in the inner barrel are discharged from a sand discharge port through a sand discharge channel under the centrifugal action;
wherein, the rotation speed ω 3 is greater than the rotation speed ω 1 and less than the rotation speed ω 2, the rotation speed ω 1 is the rotation speed of the washing machine during washing/rinsing, and the rotation speed ω 2 is the rotation speed of the washing machine during dewatering.
The washing machine without water between the inner barrel and the outer barrel can discharge impurities such as silt on clothes in the dehydration process by arranging the sand discharge channel on the inner barrel.
In addition, in order to ensure that no water exists between the inner barrel and the outer barrel when the washing machine washes, the impurities such as silt and the like are required to be discharged through the sand discharge channel only during dehydration. The washing machine has the working characteristics that the rotating speed of the dewatering is greater than that of the washing and the centrifugal force of the dewatering is greater than that of the washing/rinsing. Therefore, when the sand discharge channel is arranged, the sand inlet and the sand discharge port of the sand discharge channel are arranged at the following positions: the centrifugal force in the washing process can not discharge sundries such as silt and the like from the sand discharge channel, and the centrifugal force in the dehydration process can discharge the sundries such as silt and the like from the sand discharge channel.
The invention realizes the mode of discharging sundries such as silt and the like only during dehydration by arranging the sand inlet and the sand outlet of the sand discharge channel by utilizing the working characteristics of the washing machine, has simple structure and lower cost, and can effectively solve the problem that the silt remains in the inner barrel.
Drawings
FIG. 1 is a schematic view of a conventional washing machine with water between an inner tub and an outer tub;
FIG. 2 is a schematic view of a conventional washing machine with no water between the inner and outer tub;
FIG. 3 is a partial sectional view of the washing machine of the present invention with no water between the inner and outer tubs;
FIG. 4 is a sectional view of the washing machine of the present invention in which water is not filled between the inner and outer tubs.
Reference numbers in the drawings illustrate: 1-balance ring 2-sand discharge port 3-sand discharge cover 4-barrel 5-wave wheel 6-inner barrel bottom 7-flange plate 8-dewatering hole 9-first transverse wall 10-first vertical wall 11-second transverse wall 12- mounting ports 14A and 14B-inner barrel 15-outer barrel 16-shell 17-motor 18-drain pipe.
Detailed Description
The washing machine without water between the inner and outer tub and the control method thereof according to the present invention will be described in detail with reference to the accompanying drawings:
example one
The washing machine without water between the inner and outer barrels of the embodiment comprises: an outer tub;
the inner barrel is rotatably arranged in the outer barrel;
the impeller is rotatably arranged at the bottom of the inner barrel;
in the washing/rinsing process, the inner barrel is filled with water, and no water exists between the inner barrel and the outer barrel;
the bucket wall of interior bucket sets up the row's husky passageway that is used for debris such as silt to discharge: in the dewatering process of the washing machine, sundries such as silt washed by water flow are discharged from the sand discharge channel.
The washing machine without water between the inner barrel and the outer barrel can discharge impurities such as silt on clothes in the dehydration process by arranging the sand discharge channel on the inner barrel.
Further, the sand discharge channel provided by the invention meets the following requirements: in the washing/rinsing process of the washing machine, water flow cannot flow out of the sand discharge channel, and in the dewatering process, impurities such as silt washed by the water flow are discharged from the sand discharge channel. Therefore, in the washing/rinsing process, no water exists between the inner barrel and the outer barrel, and sundries such as silt are discharged from the sand discharge channel only during dewatering.
In order to ensure that no water exists between the inner barrel and the outer barrel when the washing machine washes, the impurities such as silt and the like are required to be discharged through the sand discharge channel only during dehydration. To achieve this technical goal, the following basic concepts can be employed:
on one hand, the sand discharge time can be controlled by controlling the on-off of the sand discharge channel. The on-off of the sand discharge channel can be controlled by an electric element and can also be controlled according to a physical structure.
As an implementation mode, an electric valve for controlling the on-off of the sand discharge channel can be arranged in the sand discharge channel, and the sand discharge channel is closed during washing/rinsing and opened during dewatering through the control valve so as to further control the sand discharge during dewatering.
As another realization mode, a physical switch can be arranged in the sand discharge channel to control the on-off of the sand discharge channel, and the rotating speed of the physical switch during dehydration is greater than that during washing, so that the centrifugal force during dehydration is greater, and under the centrifugal force, the physical switch is turned on, the sand discharge channel is conducted, and sand discharge is carried out.
On the other hand, the sand discharging channel can be arranged according to the characteristics of the washing machine in the washing process, and the positions of the sand inlet and the sand outlet of the sand discharging channel are mainly arranged, so that the washing water cannot be discharged from the sand discharging channel during washing/rinsing, and the washing water with larger centrifugal force can be discharged from the sand discharging channel during dewatering.
Aiming at the working characteristics of the washing machine during washing and dewatering, the dewatering rotating speed is greater than the washing rotating speed, so that when the sand discharge channel is arranged, the sand inlet and the sand discharge port of the sand discharge channel are arranged according to the principle, and the aim of the invention can be achieved.
Specifically, the setting mode of the sand discharge passage of this embodiment is as follows: the sand inlet of the sand discharge channel is arranged at the bottom of the inner barrel and below the impeller, and the sand discharge port of the sand discharge channel is arranged close to the throwing port at the upper part of the inner barrel and communicated between the inner barrel and the outer barrel;
the sand inlet and the sand outlet of the sand discharge channel are arranged to meet the requirements that: in the washing/rinsing process of the washing machine, water flow cannot flow out of the sand discharge port, and in the dewatering process, impurities such as silt washed by the water flow are discharged from the sand discharge port.
The sand inlet of the sand discharge channel is arranged at the bottom of the inner barrel and below the impeller in the embodiment, so that the sand deposit in the inner barrel can enter the sand discharge channel, the sand inlet of the sand discharge channel can be hidden below the impeller, and the appearance of the inner barrel is kept without holes.
In the embodiment, the sand discharging port of the sand discharging channel is arranged close to the throwing port at the upper part of the inner barrel and leads to the space between the inner barrel and the outer barrel so as to ensure that the washing water can be limited to be discharged due to the height of the sand discharging port of the sand discharging channel even if the washing water enters the sand discharging channel during washing/rinsing.
The sediment ejection channel of this embodiment can be formed by the structure of inner bucket itself, and the bucket wall integrated into one piece of inner bucket goes out the sediment ejection channel that link up from top to bottom.
The sediment ejection channel of this embodiment can also be installed on the inner wall of the inner bucket by the cover structure and form a sediment ejection channel which is communicated up and down with the inner wall.
Example two
As shown in fig. 3 and 4, in the washing machine without water between the inner and outer drums of the present embodiment, a sand discharge cover 3 is installed on the wall of the inner drum, and a sand discharge channel is formed between the sand discharge cover 3 and the wall of the inner drum;
the sand inlet of the sand discharge channel is arranged at the bottom of the inner barrel and is positioned below the impeller 5, and the sand discharge port 2 of the sand discharge channel is arranged close to the throwing port at the upper part of the inner barrel and is higher than the highest water level of the washing machine.
This embodiment is through the bucket wall mounting cover 3 of arranging at the inner barrel, arranges and has certain clearance in order to form the channel of arranging sand between cover 3 and the inner barrel bucket wall. The structure and the manufacturing mode of the inner barrel do not need to be changed in the mode, and the inner barrel is easy to realize, low in cost and easy to popularize and realize.
The sand inlet of the sand discharge channel is formed in the bottom of the inner barrel and located below the impeller 5, so that on one hand, sediment in the inner barrel can be deposited into the sand discharge channel, on the other hand, the sand inlet of the sand discharge channel can be hidden below the impeller 5, and therefore holes are not formed in the inner barrel in the visual sense.
The sand discharge port of the sand discharge passage is arranged close to the throwing port at the upper part of the inner barrel and is higher than the highest water level of the washing machine, so that even if washing water enters the sand discharge passage during washing/rinsing, the sand discharge port of the sand discharge passage is arranged higher than the highest water level of the washing machine, so that water leakage in the washing/rinsing process is avoided.
As a preferred embodiment of this embodiment, the sand discharge cover 3 includes a top wall and side walls on opposite sides of the top wall, the side walls are in close contact with the inner wall of the inner barrel, and a sand discharge passage is formed between the top wall and the inner wall of the inner barrel at an interval.
The inner barrel comprises an inner barrel bottom 6 and a barrel body 4 which encloses a circle along the inner barrel bottom, the wave wheel 5 is rotatably arranged at the inner barrel bottom 6, and the side wall of the upper end of the barrel body 4 is provided with a sand discharge opening; one end of the sand discharge cover 3 extends to the inner barrel bottom 6 and forms a sand inlet of a sand discharge channel with the inner barrel bottom, and the other end of the sand discharge cover is matched with the sand discharge opening to form a sand discharge port 2 of the sand discharge channel.
The opening of arranging sand is seted up through the upper end lateral wall at staving 4 to this embodiment, arranges sand lid 3 and this arrange sand opening cooperation in order to form the sand discharge mouth of relative sealed, can guarantee on the one hand that silt can only discharge from this, and on the other hand can keep the interior staving to look the aporate in feeling because arranging covering of sand lid 3.
Preferably, the sand inlet of the sand discharging passage of the present embodiment is provided at the lowest position of the inner tub bottom 6.
Therefore, the present embodiment ensures that the washing water is not discharged from the sand discharge passage during washing/rinsing by limiting the installation positions of the sand inlet and the sand outlet of the sand discharge passage, and impurities such as silt can be discharged from the sand discharge passage during dewatering.
Further, the end of the sand discharge cover 3 extending to the bottom 6 of the inner barrel of the present embodiment includes a first transverse wall 9 extending toward the center of the inner barrel, a first vertical wall 10 connected to the first transverse wall 9 and extending toward the bottom of the inner barrel, and a second transverse wall 11 connected to the first vertical wall 10 and extending toward the center of the inner barrel; the first vertical wall 10 is matched with the outer edge of the wave wheel 5, and the second transverse wall 11 and the bottom 6 of the inner barrel are provided with sand inlets at intervals to form a sand discharge channel.
The one end that arranges husky lid 3 setting at interior bottom of barrel 6 of this embodiment designs according to the mechanism characteristics of interior bottom of barrel 6 and impeller 5, notices the cooperation with impeller 5, does not influence the normal rotation of impeller 5.
In addition, the first vertical wall 10 and the outer edge of the impeller 5 are arranged at intervals, so that silt enters the lower part of the impeller 5 and further enters the sand inlet of the sand discharge channel.
The inner barrel further comprises a flange 7, the flange 7 is mounted on the inner barrel bottom 6, the flange 7, the inner barrel bottom 6 and the barrel body 4 enclose the watertight inner barrel, and a balance ring 1 is mounted on a feeding opening at the upper part of the barrel body 4. The barrel body 4, the barrel bottom 6 and the flange 7 form a watertight inner barrel, and water is contained in the inner barrel for washing clothes.
One end of the barrel body of the embodiment, which is close to the balance ring 1, is provided with a circle of dewatering holes 8, and the sand discharge opening is positioned above the dewatering holes 8. The inner side part of the balance ring 1 of the embodiment extends into the barrel body 4, and the dewatering holes 8 are arranged to face the balance ring 1, so that the balance ring 1 can shield the circle of dewatering holes 8, and no holes can be kept in the visual sense of the inner barrel.
The position of the dewatering holes 8 of the present embodiment can ensure that the washing water is not discharged from the dewatering holes during washing/rinsing, and the thrown water is discharged to the outer tub from the dewatering holes 8 during dewatering, and further discharged.
In the embodiment, the sand discharge opening is arranged on the dewatering hole 8, so that washing water can not be discharged from the sand discharge channel during washing/rinsing, and impurities such as silt can be discharged from the sand discharge channel during dewatering.
As an implementation manner of this embodiment, the sand discharge cover 3 includes a plurality of covers, which are respectively and uniformly distributed along the circumferential direction of the inner wall of the inner barrel. A plurality of sand discharge channels are formed between the sand discharge covers 3 and the inner wall of the inner barrel, so that the sand discharge is facilitated.
Preferably, the sand discharge cover comprises 1-6; further preferably, the sand discharge cover comprises 4 sand discharge covers.
In order to realize the vertical through installation of the sand discharge cover 3 and to match the installation of the sand discharge cover 3, the inner wall of the inner barrel bottom 6 is provided with an installation opening 12 corresponding to the sand discharge cover 3, and the rest parts of the inner wall of the inner barrel bottom 6 are provided with a circle of stirring bulges.
The washing machine without water between the inner and outer barrels of the embodiment:
(1) the barrel body 4, the barrel bottom 6 and the flange 7 form a watertight inner barrel together, and the mutual connection parts of all the parts are reliably sealed and cannot leak water.
(2) The bottom opening formed by the sand discharge cover 3 and the bucket bottom 6 should be located at the bottom of the inner bucket to facilitate the sand and mud to enter the sand discharge channel along the opening.
(3) The upper part of the barrel body 4 and the upper part of the sand discharge cover 3 are provided with sand discharge openings to facilitate the discharge of sand and sand, and the openings are higher than the corresponding height of the highest washing water level of the washing machine to avoid water leakage in the washing process.
(4) The sand discharge channel formed by the sand discharge cover 3, the barrel bottom 6 and the barrel body 4 is required to extend from the bottommost part of the inner barrel to the feeding port at the uppermost end, and the middle part is required to be smooth, so that the sand and the mud are discharged.
(5) The sand discharge covers 3 are allowed to be made into a structure which is connected into a whole, so that the sand discharge is facilitated.
(6) The sand discharge cover 3, the bucket bottom 6 and the bucket body 4 can preferably form effective sealing fit so as to facilitate the discharge of silt.
The washing machine without water between the inner and outer barrels of the embodiment:
when washing/rinsing, the barrel body 4, the barrel bottom 6 and the flange 7 form a watertight inner barrel together, and water is contained in the inner barrel for washing clothes.
In the washing/rinsing process, if the clothes are contaminated by foreign matters such as silt, the washed silt will sink to the gap formed by the impeller 5, the barrel bottom 6 and the flange 7 due to the action of gravity.
During dehydration, the motor 17 drives the inner barrel to rotate at a high speed, and the high-speed rotating water flow drives the silt in the clearance formed by the impeller 5, the barrel bottom 6 and the flange 7 to ascend to the position of the sand discharge port 2 along a sand discharge channel formed by the sand discharge cover 3, the barrel bottom 6 and the barrel body 4 and throw out of the inner barrel of the washing machine, so that the problem of silt accumulation is solved.
The embodiment utilizes the waterless washing machine between the buckets that this mode formed, simple structure, the cost is lower, and can effectively solve the problem that bottom silt is gathered.
EXAMPLE III
The embodiment provides a control method of the washing machine without water between the inner barrel and the outer barrel, which comprises the following steps:
the washing machine executes a washing/rinsing program, the impeller rotates at a rotating speed omega 1 to stir water flow for washing clothes, and the water flow cannot flow out of a sand discharge opening of the sand discharge channel at the rotating speed omega 1;
the washing machine executes a dehydration program, the impeller and the inner barrel synchronously rotate at the rotating speed omega 2 to dehydrate clothes, and the water flow washes impurities such as silt and the like at the rotating speed omega 2 and is discharged from a sand discharge port of the sand discharge channel;
wherein the rotation speed ω 1 is less than the rotation speed ω 2.
The control method of the embodiment realizes the requirement of sand discharge by setting the rotation speed omega 1 during washing/rinsing and the rotation speed omega 2 during dewatering, and is simple, convenient and easy to realize.
Example four
This embodiment provides a control method for the washing machine without water between the inner and outer tubs, wherein the washing machine further comprises a sand discharge program, and the sand discharge program comprises:
the washing machine receives an instruction for starting a sand discharge program;
the washing machine controls the inner barrel to rotate at a rotating speed omega 3, and impurities such as silt and the like in the inner barrel are discharged from a sand discharge port through a sand discharge channel under the centrifugal action;
wherein, the rotation speed ω 3 is greater than the rotation speed ω 1 and less than the rotation speed ω 2, the rotation speed ω 1 is the rotation speed of the washing machine during washing/rinsing, and the rotation speed ω 2 is the rotation speed of the washing machine during dewatering.
In the embodiment, the sand discharge program is set, the washing machine executes the rotation speed omega 3 in the sand discharge program, the rotation speed omega 3 is set to meet the condition that sundries such as silt cannot be discharged from the sand discharge channel at the rotation speed of washing/rinsing, and the silt is discharged from the sand discharge channel when the rotation speed omega 3 is reached or is larger, so that the sand discharge effect is realized.
The control method of the embodiment does not need to change the washing program of the washing machine, and sets the independent sand discharge program, so that the sand discharge effect is better.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (12)

1. A washing machine having no water between an inner tub and an outer tub, comprising:
an outer tub;
the inner barrel is rotatably arranged in the outer barrel;
the impeller is rotatably arranged at the bottom of the inner barrel;
in the washing/rinsing process, the inner barrel is filled with water, and no water exists between the inner barrel and the outer barrel;
the sand discharging device is characterized in that a sand discharging channel used for discharging sundries such as silt and the like is arranged on the barrel wall of the inner barrel: in the dewatering process of the washing machine, sundries such as silt washed by water flow are discharged from the sand discharge channel;
a sand discharge cover is arranged on the barrel wall of the inner barrel, and a sand discharge channel is formed between the sand discharge cover and the barrel wall of the inner barrel;
the end of the sand discharge cover extending to the bottom of the inner barrel comprises a first transverse wall extending towards the center of the inner barrel, a first vertical wall connected with the first transverse wall and extending towards the bottom of the inner barrel, and a second transverse wall connected with the first vertical wall and extending towards the center of the inner barrel;
the first vertical wall is matched with the outer edge of the wave wheel, and the second transverse wall and the bottom of the inner barrel are provided with sand inlets at intervals for forming a sand discharge channel;
dewatering holes are formed in the wall of the inner barrel, close to the balance ring, and the sand discharge port of the sand discharge channel is higher than the dewatering holes; wherein
A valve for controlling the sand discharge channel to be switched on and off is arranged in the sand discharge channel, and the valve is controlled to be closed during washing/rinsing and opened during dewatering; and/or
A switch for controlling the sand discharge channel to be switched on and off is arranged in the sand discharge channel, and the switch is configured to be switched on under the centrifugal force during dehydration so that the sand discharge channel is switched on.
2. A washing machine having no water between an inner tub and an outer tub according to claim 1,
the sand inlet of the sand discharge channel is arranged at the bottom of the inner barrel and below the impeller, and the sand discharge port of the sand discharge channel is arranged close to the throwing port at the upper part of the inner barrel and communicated between the inner barrel and the outer barrel;
the sand inlet and the sand outlet of the sand discharge channel are arranged to meet the requirements that: in the dewatering process of the washing machine, sundries such as silt washed by water flow are discharged from the sand discharge port.
3. A washing machine having no water between an inner tub and an outer tub according to claim 1 or 2,
the sand inlet of the sand discharge channel is arranged at the bottom of the inner barrel and below the impeller, and the sand discharge port of the sand discharge channel is arranged close to the throwing port at the upper part of the inner barrel and is higher than the highest water level of the washing machine.
4. A washing machine having no water between an inner tub and an outer tub according to claim 3,
the sand discharge cover comprises a top wall and side walls on two opposite sides of the top wall, the side walls are in close contact with the inner wall of the inner barrel, and sand discharge channels are formed between the top wall and the inner wall of the inner barrel at intervals.
5. A washing machine having no water between an inner tub and an outer tub according to claim 3,
the inner barrel comprises an inner barrel bottom and a barrel body which is formed into a circle along the inner barrel bottom in a surrounding mode, the impeller is rotatably arranged at the inner barrel bottom, and a sand discharging opening is formed in the side wall of the upper end of the barrel body;
one end of the sand discharge cover extends to the inner barrel bottom and forms a sand inlet of the sand discharge channel with the inner barrel bottom, and the other end of the sand discharge cover is matched with the sand discharge opening to form a sand discharge opening of the sand discharge channel.
6. A washing machine with no water between inner and outer tubs as claimed in claim 5, wherein the sand inlet of the sand discharge passage is provided at the lowest position of the bottom of the inner tub.
7. A washing machine having no water between an inner tub and an outer tub according to claim 5,
the inner barrel also comprises a flange plate, the flange plate is arranged on the bottom of the inner barrel, the flange plate, the bottom of the inner barrel and the barrel body are enclosed into a watertight inner barrel, and a balance ring is arranged on a feeding opening at the upper part of the barrel body;
one end of the barrel body, which is close to the balance ring, is provided with a circle of dewatering holes, and the sand discharge opening is positioned above the dewatering holes.
8. A washing machine having no water between an inner tub and an outer tub according to claim 3,
the sand discharge cover comprises a plurality of sand discharge covers which are uniformly distributed along the circumferential direction of the inner wall of the inner barrel respectively.
9. A washing machine with no water between inner and outer tubs as claimed in claim 8, wherein the number of the sand discharge covers is 1-6.
10. A washing machine with no water between inner and outer tubs as claimed in claim 8, wherein the sand discharge cover comprises 4.
11. A control method of a washing machine having no water between an inner tub and an outer tub as claimed in any one of claims 1 to 10,
the washing machine executes a washing/rinsing program, the impeller rotates at a rotating speed omega 1 to stir water flow for washing clothes, and the water flow cannot flow out of a sand discharge opening of the sand discharge channel at the rotating speed omega 1;
the washing machine executes a dehydration program, the impeller and the inner barrel synchronously rotate at the rotating speed omega 2 to dehydrate clothes, and the water flow washes impurities such as silt and the like at the rotating speed omega 2 and is discharged from a sand discharge port of the sand discharge channel;
wherein the rotation speed ω 1 is less than the rotation speed ω 2.
12. A method for controlling a washing machine having no water between an inner tub and an outer tub as claimed in any one of claims 1 to 10, wherein the washing machine further comprises a sand discharge process comprising:
the washing machine receives an instruction for starting a sand discharge program;
the washing machine controls the inner barrel to rotate at a rotating speed omega 3, and impurities such as silt and the like in the inner barrel are discharged from a sand discharge port through a sand discharge channel under the centrifugal action;
wherein, the rotation speed ω 3 is greater than the rotation speed ω 1 and less than the rotation speed ω 2, the rotation speed ω 1 is the rotation speed of the washing machine during washing/rinsing, and the rotation speed ω 2 is the rotation speed of the washing machine during dewatering.
CN201610767792.4A 2016-08-30 2016-08-30 Washing machine without water between inner and outer barrels and control method thereof Active CN107780137B (en)

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CN201610767792.4A CN107780137B (en) 2016-08-30 2016-08-30 Washing machine without water between inner and outer barrels and control method thereof
PCT/CN2017/097890 WO2018040935A1 (en) 2016-08-30 2017-08-17 Washing machine having no water between inner and outer tubs and control method therefor

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Publication number Priority date Publication date Assignee Title
CN112048883A (en) * 2019-06-06 2020-12-08 青岛海尔洗衣机有限公司 Washing machine and control method thereof
CN112111923B (en) * 2019-06-20 2023-04-25 青岛海尔洗衣机有限公司 Clothes treatment equipment and control method
CN113668193A (en) * 2020-05-15 2021-11-19 青岛海尔洗衣机有限公司 Washing machine inner barrel, washing machine and control method thereof

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Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China

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