CN112195620B - Drum washing machine and control method thereof - Google Patents
Drum washing machine and control method thereof Download PDFInfo
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- CN112195620B CN112195620B CN201910531939.3A CN201910531939A CN112195620B CN 112195620 B CN112195620 B CN 112195620B CN 201910531939 A CN201910531939 A CN 201910531939A CN 112195620 B CN112195620 B CN 112195620B
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- 238000005406 washing Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 195
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims description 15
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 108091006146 Channels Proteins 0.000 description 74
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry
- D06F23/02—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis
- D06F23/025—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and rotating or oscillating about a horizontal axis with a rotatable imperforate tub
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
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- Engineering & Computer Science (AREA)
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- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The present invention provides a drum washing machine and a control method thereof, the drum washing machine includes: an inner cylinder having a washing chamber capable of independently containing washing water; the inner cylinder water outlet is arranged on the inner cylinder; the drainage sealing device is arranged on the drainage port of the inner cylinder and controls the opening and the closing of the drainage sealing device; the drainage sealing device comprises a drainage channel communicated with the drainage port of the inner cylinder and a plugging component for controlling the opening and closing of the drainage channel. The drum washing machine of the invention realizes the open-close control of the water outlet of the inner drum through the water drainage sealing device, the water drainage sealing device comprises a water drainage channel communicated with the water outlet of the inner drum and a plugging component for controlling the open-close of the water drainage channel, the open-close control of the water outlet of the inner drum is converted into the on-off control of the water drainage channel, and the plugging component can be designed to have different motion states by utilizing the conversion of the working state of the inner drum, thereby switching the on-off of the water drainage channel, and the drum washing machine has simple structure and easy control and realization.
Description
Technical Field
The invention relates to the technical field of laundry equipment, in particular to a drum washing machine and a control method thereof.
Background
The washing machine is a household appliance which is widely used in daily life of people, helps people get rid of the trouble of washing clothes, and brings great convenience to people. However, the existing washing machine generally comprises an inner cylinder and an outer cylinder, a plurality of dewatering holes are distributed on the wall of the inner cylinder, and in the washing process, the washing water between the inner cylinder and the outer cylinder cannot be utilized, so that the waste of the part of the washing water is caused, and the dirt generated in the washing process can be accumulated along with the water flow entering between the inner cylinder and the outer cylinder, and along with the long-time use, the accumulation of the dirt can influence the washing effect and reduce the use experience of a user.
In order to solve the water-saving problem of the washing machine, some patents are also proposed at present, for example, patent No. 201410215346.3, entitled chinese invention patent of a drum washing machine, which relates to a drum washing machine, comprising a box body, an inner cylinder and an outer cylinder are arranged in the box body, a door seal is arranged between the outer cylinder and the box body, the inner cylinder is connected with a driving device, the inner cylinder is a non-porous inner cylinder, the inner cylinder is a conical cylinder with a small diameter at the cylinder bottom and a large diameter at the cylinder opening, the cylinder opening of the inner cylinder is inwardly folded in an arc shape, a water inlet conduit is arranged on the door seal, one end of the water inlet conduit is connected with a washing water rapid heating device, the other end of the water inlet conduit penetrates through the door seal and extends into the inner cylinder, and a water outlet and a water pressure detection device are arranged on the outer cylinder. According to the technical scheme, the inner cylinder is a non-porous inner cylinder, water is fed into the inner cylinder through the water inlet guide pipe arranged on the door seal, and water is drained in the dehydration process through the shape of the inner cylinder, so that water can be prevented from being stored between the inner cylinder and the outer cylinder, and the water consumption for washing is greatly saved.
The invention provides a drum washing machine with a non-porous inner drum, which solves the problems of water storage waste between the inner drum and the outer drum and dirt accumulation between the inner drum and the outer drum, but the inner drum of the existing drum washing machine is only designed into the non-porous structure, the practical significance is very small, and as the inner drum needs to rotate for washing, dewatering and water holding, the first problem of non-porous inner drum drainage is that how to realize the washing machine with the non-porous inner drum is a problem.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
In order to solve the above problems, a first object of the present invention is to provide a drum washing machine, specifically, the following technical solutions are adopted:
a drum washing machine comprising:
an inner cylinder having a washing chamber capable of independently containing washing water;
the inner cylinder water outlet is arranged on the inner cylinder;
a drainage sealing device which is arranged on the drainage outlet of the inner cylinder and controls the opening and the closing of the drainage sealing device;
the drainage sealing device comprises a drainage channel communicated with the drainage port of the inner cylinder and a plugging part for controlling the opening and closing of the drainage channel.
Further, the inner cylinder has a first operation state of rotating along the direction of the pointer and a second operation state of rotating along the counterclockwise direction, the blocking component keeps the inner cylinder water outlet closed in the first operation state/the second operation state, and keeps the inner cylinder water outlet open in the second operation state/the first operation state.
Furthermore, the drainage channel is arranged on the side wall of the inner cylinder and is arranged along the circumferential direction of the inner cylinder, and the plugging component is of a one-way valve structure;
preferably, the drainage channel is arranged on the inner side wall or the outer side wall of the inner cylinder.
Furthermore, the drainage channel is arranged on the inner side wall of the inner cylinder and is provided with a water inlet communicated with the inner cylinder and a water outlet communicated with the water outlet of the inner cylinder, the one-way valve structure comprises a valve ball which can move between the water inlet and the water outlet of the drainage channel along with the rotation of the inner cylinder, the valve ball keeps blocking the water inlet in the first operation state/the second operation state, the drainage channel is closed, the valve ball is far away from the water inlet in the second operation state/the first operation state, and the drainage channel is opened.
Furthermore, the one-way valve structure also comprises a centrifugal block which can move between the water inlet and the water outlet of the drainage channel along with the rotation of the inner cylinder, and the centrifugal block is connected with the valve ball.
Furthermore, the drainage channel is arranged on the inner side wall of the inner barrel and provided with a water inlet communicated with the inner barrel and a water outlet communicated with the water outlet of the inner barrel, the check valve structure comprises a check valve plate arranged on the water inlet, the check valve plate keeps blocking the water inlet in a first operation state/a second operation state, the drainage channel is closed, the water inlet is opened in the second operation state/the first operation state, and the drainage channel is opened.
Furthermore, the drainage sealing device also comprises an elastic part, and the elastic part is in an elastic compression state and provides an elastic force for keeping the one-way valve structure to block the water inlet;
the one-way valve structure is kept to block the water inlet under the elastic force of the elastic piece in the first operation state/the second operation state, the water drainage channel is closed, the one-way valve structure overcomes the elastic force of the elastic piece in the second operation state/the first operation state, the one-way valve structure is far away from the water inlet, and the water drainage channel is opened.
The second purpose of the present invention is to provide a control method for the drum washing machine, specifically, the following technical solutions are adopted:
a control method of a drum washing machine, when the washing machine washes, control the plugging part to close the drainage channel, the inner cylinder is closed, hold the wash water independently;
when the washing machine drains water, the sealing part is controlled to open the water drainage channel, and water in the inner barrel enters the water drainage channel and is drained from the water outlet of the inner barrel.
Furthermore, when the washing machine washes, the inner barrel is controlled to keep running in a first running state/a second running state, and the one-way valve structure is in a normally closed state to close the drainage channel;
when the washing machine drains water, the inner barrel is controlled to operate in the second operation state/the first operation state, and the one-way valve structure opens the drain passage
The invention provides a drum washing machine which adopts the structural design of a non-porous inner barrel, the inner barrel independently holds washing water during washing, no water exists between the inner barrel and the outer barrel, the possibility of dirt adhesion between the inner barrel and the outer barrel is avoided, the user health and the user experience are greatly improved, and the water resource is greatly saved.
The drum washing machine realizes the opening and closing control of the water outlet of the inner drum through the water drainage sealing device, the water drainage sealing device comprises the water drainage channel communicated with the water outlet of the inner drum and the plugging component for controlling the opening and closing of the water drainage channel, the opening and closing control of the water outlet of the inner drum is converted into the on-off control of the water drainage channel, and the plugging component can be designed to have different motion states by utilizing the conversion of the working state of the inner drum, so that the on-off of the water drainage channel is switched, the structure is simple, and the control is easy to realize.
Drawings
FIG. 1 is a schematic structural view of a drum washing machine according to an embodiment of the present invention;
FIG. 2 is a first schematic view of an inner drum structure of a drum washing machine according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second inner barrel structure of the drum-type washing machine according to the embodiment of the present invention (clockwise rotation, highest position of water inlet of the drainage channel, no water inlet of the drainage channel);
FIG. 4 is a schematic diagram of the inner drum structure of the drum-type washing machine according to the embodiment of the present invention, i.e., clockwise rotation, lowest position of the water inlet of the water drainage channel, no water inlet of the water drainage channel;
FIG. 5 is a schematic diagram of the inner cylinder structure of the drum-type washing machine according to the embodiment of the present invention (counterclockwise rotation, lowest position of the water inlet of the water discharge channel, water inlet of the water discharge channel);
FIG. 6 is a schematic view showing the structure of the inner tub of the drum-type washing machine according to the embodiment of the present invention (counterclockwise rotation, highest position of the water inlet of the drainage channel, lowering of the water level in the inner tub)
Fig. 7 is a schematic diagram six of the structure of the inner drum of the drum washing machine according to the embodiment of the present invention (counterclockwise rotation, highest position of the water inlet of the drainage channel, opening of the water inlet valve sheet, and water inlet of the drainage channel).
Detailed Description
A drum washing machine and a control method thereof according to the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1 to 7, the present embodiment provides a drum washing machine with a structure design of a non-porous inner cylinder, when washing, the inner cylinder independently holds washing water, and there is no water between the inner cylinder and the outer cylinder, so as to avoid the possibility of dirt adhesion between the inner cylinder and the outer cylinder, greatly improve the user health and user experience, and greatly save water resources.
The drum washing machine of the present embodiment has a housing 1, and the housing 1 includes: the table comprises a top deck panel, a front deck panel, a rear back panel and a bottom plate. The bottom plate is provided with feet for supporting the whole washing machine. The outer shell 1 is internally provided with an outer cylinder 2, and an inner cylinder 3 is coaxially arranged in the outer cylinder 2. The outer cylinder 2 is mainly used for collecting the drainage of the inner cylinder 3 and the drainage of the high-speed centrifugal dehydration of the inner cylinder 3, the outer cylinder 2 is connected with a drainage pipeline, a drainage control device for controlling the on-off of the drainage pipeline is arranged on the drainage pipeline, and the drainage control device is a drainage pump or a drainage valve. The inner drum 3 rotates, preferably, with the lifting ribs, and continuously lifts, drops and beats the laundry to clean the laundry. The inner barrel 3 is of imperforate construction. The outer cylinder 2 has a central mounting hole, and a bearing is mounted and fixed. An inner cylinder shaft fixedly connected with the inner cylinder 3 passes through the bearing and is connected with a driving motor. An openable/closable inner cylinder door is installed on a front cylinder opening of the inner cylinder 3, so that the inner cylinder 3 is of a sealed cabin structure.
The housing 1 of the present embodiment is provided with an openable/closable door.
A drum washing machine comprising:
an inner tub 3 having a washing chamber capable of independently containing washing water;
an inner cylinder water outlet 9 arranged on the inner cylinder 3;
a drainage sealing device which is arranged on the drainage port 9 of the inner cylinder and controls the opening and the closing of the drainage sealing device;
the drainage sealing device comprises a drainage channel 7 communicated with a drainage port 9 of the inner cylinder and a blocking component 8 for controlling the opening and closing of the drainage channel 7.
The drum washing machine of the embodiment realizes the opening and closing control of the inner cylinder water outlet 9 through the water drainage sealing device, the water drainage sealing device comprises the water drainage channel 7 communicated with the inner cylinder water outlet 9 and the blocking component 8 for controlling the opening and closing of the water drainage channel 7, the opening and closing control of the inner cylinder water outlet 9 is converted into the on-off control of the water drainage channel 7, and the blocking component 8 can be designed to have different motion states by utilizing the change of the working state of the inner cylinder, so that the on-off of the water drainage channel 7 is switched.
The drainage channel 7 of the present embodiment can be formed between the separate member 6 mounted on the inner wall of the inner cylinder and the inner wall of the inner cylinder, or formed by connecting the abutting positions of the side walls of the inner cylinder after being staggered with each other, and the water inlet and the water outlet 9 of the drainage channel 7 are respectively arranged at the two connecting positions.
In an embodiment of the present invention, the inner cylinder 3 has a first operating state in which it rotates in the direction of the hand and a second operating state in which it rotates in the counterclockwise direction, and the closing member 8 keeps the inner cylinder drain port 9 closed in the first operating state/the second operating state and keeps the inner cylinder drain port 9 open in the second operating state/the first operating state.
The plugging component 8 of the embodiment realizes switching of the opening and closing states of the inner cylinder water outlet 9 by changing the rotation direction of the inner cylinder 3, realizes switching from controlling the opening and closing of the inner cylinder water outlet 9 to controlling the on-off of the water drainage channel 7, realizes the control of the plugging component 8 on the water drainage channel 7 according to the working characteristics of the inner cylinder of the washing machine, and has the advantages of simple structure and easy control and realization.
Specifically, the drainage channel 7 of the present embodiment is provided on the side wall of the inner cylinder 3 and arranged along the circumferential direction thereof, and the blocking member 8 is of a check valve structure. The blocking member 8 of the present embodiment controls the opening and closing of the drainage channel 7 by using a check valve structure, which keeps the drainage channel in a closed state when the inner cylinder is in a static state or a first operating state/a second operating state, and operates when the inner cylinder is switched to be in the second operating state/the first operating state, so that the drainage channel is opened.
Preferably, the drain passage 7 is provided on an inner sidewall or an outer sidewall of the inner tube 3.
As shown in fig. 2, the drainage channel 7 of the present embodiment is disposed on the inner sidewall of the inner cylinder 3, and has a water inlet 5 communicated with the inner cylinder 3 and a water outlet communicated with the water outlet 9 of the inner cylinder, the one-way valve structure includes a valve ball 10 movable between the water inlet 5 and the water outlet of the drainage channel 7 along with the rotation of the inner cylinder, the valve ball 10 keeps blocking the water inlet 5 in the first operation state/the second operation state, the drainage channel is closed, and is far away from the water inlet in the second operation state/the first operation state, the drainage channel 7 is opened.
Furthermore, the check valve structure further comprises a centrifugal block 12 which can move between the water inlet 5 and the water outlet of the drainage channel 7 along with the rotation of the inner barrel 3, and the centrifugal block 12 is connected with the valve ball 10.
In the embodiment, by adopting the centrifugal block 12, the mass of the centrifugal block 12 is generally larger than that of the ball 10, and the centrifugal movement along with the rotation of the inner cylinder is more stable, so that the state of the ball is kept more stable, and the possibility of opening the ball valve by mistake due to turbulent flow is avoided.
As shown in fig. 3, when washing is started, the initial state of the inner tub of the present embodiment is such that the water inlet 5 of the drain passage 7 is positioned higher than the highest water level position in the inner tub 3, and no washing water is introduced into the drain passage 7.
When washing is started, the inner barrel 3 is controlled to rotate clockwise, the centrifugal block 12 moves towards the water inlet 5 side along the drainage channel 7 relative to the inner barrel, the centrifugal block 12 drives the ball valve 9 to move until the water inlet 5 is plugged, and the drainage channel is closed.
As shown in figure 4, when the inner cylinder is controlled to keep clockwise rotation until the water inlet 5 of the drainage channel 7 is at the lowest position, the ball valve 9 keeps the water inlet in a blocking state, and the drainage channel is closed.
As shown in FIG. 5, the inner barrel is controlled to rotate counterclockwise, the centrifugal block 12 moves relative to the inner barrel along the side of the water discharge channel 7 away from the water inlet 5, the ball valve 9 is driven by the centrifugal block 12 to move away from the water inlet 5, the water discharge channel is opened, and water in the inner barrel enters the water discharge channel 7 and is discharged out of the inner barrel through the water discharge opening 9 of the inner barrel.
As shown in FIG. 6, the inner cylinder is controlled to rotate counterclockwise and return to the initial position of the water inlet 5 of the drainage channel 7, the water level in the inner cylinder 3 is reduced, the water inlet is higher than the water level in the inner cylinder, and no water enters the drainage channel.
As shown in fig. 7, as another embodiment of this embodiment, the drainage channel 7 of this embodiment is disposed on the inner sidewall of the inner cylinder 3, and has a water inlet 5 communicated with the inner cylinder 3 and a water outlet communicated with the water outlet of the inner cylinder, the check valve structure includes a check valve sheet 13 mounted on the water inlet, the check valve sheet 13 keeps blocking the water inlet 5 in the first operation state/the second operation state, the drainage channel is closed, the water inlet 5 is opened in the second operation state/the first operation state, and the drainage channel 7 is opened.
In order to maintain the one-way sealing of the single-way valve structure of the present embodiment, the drainage sealing device of the present embodiment further comprises an elastic member, wherein the elastic member is in an elastic compression state to provide an elastic force for the one-way valve structure to keep blocking the water inlet;
the one-way valve structure is kept to block the water inlet under the elastic force of the elastic piece in the first operation state/the second operation state, the water drainage channel is closed, the one-way valve structure overcomes the elastic force of the elastic piece in the second operation state/the first operation state, the one-way valve structure is far away from the water inlet, and the water drainage channel is opened.
In order to realize intaking in the sclausura inner tube of this embodiment, the drum type washing machine of this embodiment includes driving motor and inner tube axle, driving motor pass through inner tube axle and 3 transmission connections of inner tube and drive inner tube 3 rotations, the inner tube axle in have the inside hollow channel of intercommunication inner tube 3, washing machine's inlet channel is linked together with the hollow channel of inner tube axle.
Specifically, the inner cylinder shaft is connected with a driving motor, the driving motor comprises a stator and a rotor, and the rotor is fixedly connected with the inner cylinder shaft; the center of the rotor is provided with a through hole, and the water inlet pipeline penetrates through the through hole of the rotor to be communicated with the hollow channel of the inner cylinder shaft.
The problem of how accurate inflow of confirming of sclausura inner tube drum type washing machine is solved simultaneously to this embodiment, the concrete scheme is as follows:
the utility model provides a drum type washing machine, includes inner tube 3 and the inlet channel who is linked together with inner tube 3, the inner tube be the sclausura inner tube, hold the washing water during the washing clothing, the inlet channel on set up flow sensor 1 that is used for detecting the inflow flow.
The embodiment monitors the flow when water enters through the flow sensor arranged on the water inlet pipeline, and when the set water inlet amount is reached, the water inlet valve is closed, and water entering is completed. The embodiment adopts the flow sensor to solve the problem of water inflow of the drum washing machine with the non-porous inner barrel according to the set water level, ensures the washing effect, has simple structure and is convenient to control.
As an implementation manner of this embodiment, the flow sensor is a rotor flow sensor, or a turbine flow sensor, or an ultrasonic flow sensor, or an electromagnetic flow sensor, or an orifice flow sensor.
The embodiment also solves the problem of how to ensure the unbalanced air pressure of the sealed cabin of the drum washing machine with the non-porous inner barrel, and particularly, the water of the electromagnetic valve is suddenly cut off, particularly, the tap water pipe network is cut off to form negative pressure, so that the washing water in the sealed cabin is backwashed to the pipe network; or the gas exists inside, and the water is difficult to feed.
The drum washing machine comprises an inner drum 3, wherein the inner drum 3 is a non-porous inner drum and is used for containing washing water when clothes are washed, and the drum washing machine further comprises an air pressure balancing mechanism which is used for communicating the inner drum 3 with the external environment so as to balance the air pressure in the inner drum.
When water enters, the air in the sealed cabin of the inner cylinder is pressurized and can overflow through the balancing mechanism, so that the air pressure balance is ensured.
When water is cut off suddenly, external atmosphere can enter the sealed cabin of the inner barrel rapidly, suck back is damaged, air pressure balance is guaranteed, and washing water is prevented from being sucked into a tap water pipe network.
The air pressure balancing mechanism can also ensure the air pressure balance of the inner barrel during dehydration.
As an implementation manner of this embodiment, the air pressure balancing mechanism includes a pressure equalizing hole provided on the inner barrel 3, and one end of the pressure equalizing hole, which is communicated with the inside of the inner barrel 3, is provided at a position on the inner barrel 3 close to the rotation central axis and is always higher than the highest water level position in the inner barrel 3.
Specifically, the pressure equalizing pore passage is formed in the inner cylinder shaft to communicate the inside of the inner cylinder 3 with the external environment, and the highest water level in the inner cylinder 3 is lower than the inner cylinder shaft. Thus, the water in the inner cylinder can be prevented from flowing out of the pressure equalizing pore passage.
The embodiment also provides a control method of the drum washing machine, which comprises the following steps:
when the washing machine washes, the control plugging component closes the drainage channel, the inner cylinder is closed, and washing water is independently contained;
when the washing machine drains water, the sealing part is controlled to open the water drainage channel, and water in the inner barrel enters the water drainage channel and is drained from the water outlet of the inner barrel.
Furthermore, when the washing machine washes, the inner barrel is controlled to keep running in a first running state/a second running state, and the one-way valve structure is in a normally closed state to close the drainage channel;
when the washing machine drains water, the inner barrel is controlled to operate in the second operation state/the first operation state, and the one-way valve structure opens the water drainage channel.
In the washing or rinsing of the present embodiment, the inner tub is controlled to maintain the first operation state/the second operation state, and to maintain the second operation state/the first operation state in the draining and dehydrating.
The first operation state and the second operation state of the present embodiment are different only in the rotation direction, but of course, the rotation speeds of washing, dewatering, and draining may be different for the same operation state, and the rotation speed during dewatering and draining is greater than the rotation speed during washing and rinsing.
In the washing or rinsing process of the embodiment, the inner cylinder can be controlled to be switched between the first operation state and the second operation state, but because one of the operation states can drain water from the inner cylinder, water supplementing operation needs to be executed in the washing process, or the water inlet of the inner cylinder is controlled to be higher than a set value.
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 (4)
1. A drum washing machine characterized by comprising:
an inner cylinder having a washing chamber capable of independently containing washing water;
the inner cylinder water outlet is arranged on the inner cylinder;
the inner cylinder is provided with a first operation state rotating along the direction of the pointer and a second operation state rotating along the anticlockwise direction, the drainage channel is arranged on the inner side wall of the inner cylinder and is circumferentially arranged along the inner side wall, the drainage channel is provided with a water inlet communicated with the inner cylinder and a water outlet communicated with a water outlet of the inner cylinder, the water inlet and the water outlet are arranged at two ends of the drainage channel, and the opening direction of the water inlet is consistent with the dehydration direction of the inner cylinder;
the drainage sealing device is arranged on the drainage port of the inner cylinder and controls the opening and the closing of the drainage sealing device;
the drainage sealing device comprises a drainage channel communicated with the drainage port of the inner cylinder and a blocking component for controlling the opening and closing of the drainage channel, the blocking component is of a one-way valve structure, the one-way valve structure comprises a valve ball which can move between a water inlet and a water outlet of the drainage channel along with the rotation of the inner cylinder, the valve ball keeps blocking the water inlet in a first operation state/a second operation state, the drainage channel is closed, the valve ball is far away from the water inlet in the second operation state/the first operation state, and the drainage channel is opened.
2. A drum washing machine according to claim 1, characterized in that the one-way valve structure further comprises a centrifugal block which can move between the water inlet and the water outlet of the drainage channel along with the rotation of the inner drum, and the centrifugal block is connected with the valve ball.
3. A control method of a drum washing machine according to claim 1 or 2, characterized in that, when the washing machine is washing, the control plugging part closes the drainage channel, the inner drum is closed, and washing water is independently contained;
when the washing machine drains water, the control plugging component opens the water drainage channel, and water in the inner barrel enters the water drainage channel and is drained from the water outlet of the inner barrel.
4. A control method of a drum washing machine according to claim 3, characterized in that, when the washing machine is washing, the control inner drum keeps operating in the first operation state/the second operation state, the one-way valve structure is in the normally closed state to close the drainage channel;
when the washing machine drains water, the inner barrel is controlled to operate in the second operation state/the first operation state, and the one-way valve structure opens the water drainage channel.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531939.3A CN112195620B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine and control method thereof |
| EP20827500.8A EP3988701B1 (en) | 2019-06-19 | 2020-06-11 | Drum washing machine and control method therefor |
| PCT/CN2020/095507 WO2020253602A1 (en) | 2019-06-19 | 2020-06-11 | Drum washing machine and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531939.3A CN112195620B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112195620A CN112195620A (en) | 2021-01-08 |
| CN112195620B true CN112195620B (en) | 2022-09-23 |
Family
ID=74004309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531939.3A Active CN112195620B (en) | 2019-06-19 | 2019-06-19 | Drum washing machine and control method thereof |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3988701B1 (en) |
| CN (1) | CN112195620B (en) |
| WO (1) | WO2020253602A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216933A (en) * | 2021-04-19 | 2022-10-21 | 青岛海尔滚筒洗衣机有限公司 | Drum washing machine |
| CN114877929B (en) * | 2021-11-13 | 2023-12-22 | 余玉敏 | Comprehensive hydrologic water resource monitoring device |
| CN115058861B (en) * | 2022-07-01 | 2024-10-25 | 无锡小天鹅电器有限公司 | Clothes treatment equipment and control method |
| CN115058862B (en) * | 2022-07-01 | 2024-10-25 | 无锡小天鹅电器有限公司 | Clothes treatment equipment and control method |
| CN115058865B (en) * | 2022-07-01 | 2024-10-25 | 无锡小天鹅电器有限公司 | Clothes treatment equipment and control method |
| CN115058860A (en) * | 2022-07-01 | 2022-09-16 | 无锡小天鹅电器有限公司 | Clothes treatment equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112195620A (en) | 2021-01-08 |
| WO2020253602A1 (en) | 2020-12-24 |
| EP3988701A1 (en) | 2022-04-27 |
| EP3988701A4 (en) | 2022-08-24 |
| EP3988701B1 (en) | 2024-11-06 |
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Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: QINGDAO HAIER JOINT STOCK Co.,Ltd. |
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Effective date of registration: 20220826 Address after: 400026 No.303, Block E, No.1 Gangcheng South Road, Jiangbei District, Chongqing Applicant after: Chongqing Haier Front-loading Washing Machine Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. Applicant before: Haier Smart Home Co., Ltd. |
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