CN112726144B - Washing machine filtering device, washing machine and control method - Google Patents
Washing machine filtering device, washing machine and control method Download PDFInfo
- Publication number
- CN112726144B CN112726144B CN202011568605.2A CN202011568605A CN112726144B CN 112726144 B CN112726144 B CN 112726144B CN 202011568605 A CN202011568605 A CN 202011568605A CN 112726144 B CN112726144 B CN 112726144B
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- washing machine
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- cleaning
- washing
- bottom cover
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- 238000005406 washing Methods 0.000 title claims abstract description 83
- 238000001914 filtration Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000009825 accumulation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000011109 contamination Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- D06F39/10—Filtering arrangements
-
- 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
- D06F33/43—Control of cleaning or disinfection of washing machine parts, e.g. of tubs
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
-
- 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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/20—Parameters relating to constructional components, e.g. door sensors
-
- 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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps
-
- 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
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/54—Changing between normal operation mode and special operation modes, e.g. service mode, component cleaning mode or stand-by mode
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention belongs to the field of washing machines, and particularly relates to a filtering device of a washing machine, the washing machine and a control method, wherein the filtering device comprises: a filter member disposed on a washing tub of the washing machine; the filter component shell comprises a top cover and a bottom cover, and a water inlet is formed in the top cover; the bottom cover can be arranged at the bottom of the shell in an opening and closing manner; the driving module is connected with the bottom cover and is used for opening and closing the bottom cover; the detection module is used for detecting the dirt degree of the filter component; the control module controls the driving module to open the bottom cover according to the detection result of the detection module and controls water to enter the shell from the water inlet to clean the filtering component. The invention automatically detects and cleans the filtering device before and/or after the washing begins, greatly reduces the complexity of manual cleaning, and makes the whole working process of the washing machine more intelligent.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a filtering device of a washing machine, the washing machine and a control method.
Background
The washing machine is used as an electric appliance for cleaning clothes, essentially, in order to enable the life of people to be more convenient, the washing machine simulates the modes of rubbing, beating and the like to replace two hands to wash the clothes, and brings great convenience to people, so that the washing machine cannot be used in daily life of people more and more. Under the current development trend, people not only can simply clean the washing machine, but also can conveniently and practically use a living electric appliance, and a good product experience becomes an important consideration standard. In life, after sundries collected by the filter screen device are fully loaded after being washed for many times, the sundries need to be cleaned manually, and the cleaning of the parts in the barrel needs to be carried out under the condition of better light, so that the use experience of a user is seriously influenced; the user forgets to check whether the filter screen is filled with collected sundries or not many times after washing begins and ends, if the filter screen box is full before washing, new sundries cannot be collected into the filter screen box in the washing process, part of collected sundries (paper scraps), hair and the like are scattered back into the inner drum of the washing machine through the filter screen and attached to clothes, and the washing effect is greatly reduced and the use experience of the user is influenced.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a filtering device of a washing machine, the washing machine and a control method, which can carry out automatic cleaning.
To solve the above technical problems, a first object of the present invention is to provide a filter device of a washing machine, comprising:
a filter member disposed on a washing tub of the washing machine; the filter component comprises a shell, the shell comprises a top cover and a bottom cover, and a water inlet is formed in the top cover; the bottom cover can be arranged at the bottom of the shell in an opening and closing manner;
the driving module is connected with the bottom cover and is used for opening and closing the bottom cover;
the detection module is used for detecting the dirt degree of the filter component;
the control module controls the driving module to open the bottom cover according to the detection result of the detection module and controls water to enter the shell from the water inlet to clean the filtering component.
Further optionally, the filter member is detachably disposed on a tub wall of a washing tub of the washing machine.
Further optionally, the water inlet is connected with a cleaning pipeline, the cleaning pipeline is communicated with a water inlet pipeline of the washing machine, and a control valve is arranged on the cleaning pipeline.
Further optionally, the driving module includes a driving motor and a transmission shaft connected to the driving motor, and the bottom cover is disposed at the bottom of the housing in an openable manner through the transmission shaft.
Further optionally, a water outlet channel is further disposed at the bottom of the filtering component, a water outlet end of the water outlet channel extends to the outside of the washing tub, and when the filtering device is cleaned, water and dirt discharged by the filtering component flow out of the washing tub through the water outlet channel.
Further optionally, the detection module is a turbidity sensor disposed on a side wall of the housing.
A second object of the present invention is to propose a washing machine having the above-mentioned filtering device.
The third objective of the present invention is to provide a control method of the above washing machine, wherein the degree of contamination of the filter element is detected, when the degree of contamination of the filter element reaches the cleaning threshold, the bottom cover is controlled to open, and water is controlled to enter the housing from the water inlet to clean the filter element.
Further alternatively, when it is detected that the height of the dirty accumulation of the filter member reaches a set height, it is determined that the degree of contamination of the filter member reaches the cleaning threshold.
Further optionally, in the process of cleaning the filter element, the dirty accumulated height of the filter element is detected in real time, and when the dirty height of the filter element is lower than a set height, the bottom cover is controlled to be closed, and water feeding into the shell is stopped.
Further optionally, when the time for cleaning the filter component reaches the set time, the height of the dirt accumulation of the filter component is still higher than the set height, the cleaning of the filter component is stopped, and a manual cleaning prompt is sent to a user.
Further optionally, the filter element is cleaned before the washing begins and/or after the entire washing process has ended.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
carry out automated inspection, automatic clearance to filter equipment before the washing begins and/or after finishing, the loaded down with trivial details degree of manual operation clearance that has reduced of very big degree for the whole working process of washing machine is more intelligent, has also avoided simultaneously that filter equipment is fully loaded and has leaded to new piece debris etc. can't collect into filter element, and filter element is fully loaded the problem that overflows debris, has effectually guaranteed laundry effect and clothing not polluted again, has greatly improved user experience.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1: is a structure diagram of a filtering device of an embodiment of the invention;
FIG. 2: is a structural diagram of a bottom cover of the filtering device of the embodiment of the invention;
FIG. 3: is a control system diagram of an embodiment of the invention;
FIG. 4: is a control flow chart of the invention.
Wherein: 1-buckling; 2-a transmission shaft; 3-bottom cover; 4-driving the motor; 5-a detection module; 6-water inlet; 7-snap hole.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "contacting," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present embodiment proposes a filter device, as shown in fig. 1 and 2, including: the washing machine comprises a filtering component, a driving module, a detection module 5 and a control module, wherein the filtering component is arranged on a washing barrel of the washing machine; the filter component comprises a shell, the shell comprises a top cover and a bottom cover 3, and a water inlet 6 is arranged on the top cover; the side wall of the periphery of the shell is also provided with filter holes for the washing water to enter and exit. The bottom cover 3 can be arranged at the bottom of the shell in an opening and closing manner; the driving module is connected with the bottom cover 3 and is used for opening and closing the bottom cover 3; the detection module 5 is used for detecting the dirt degree of the filter component; the control module controls the driving module to open the bottom cover 3 according to the detection result of the detection module 5, and controls water to enter the shell from the water inlet 6 to clean the filtering component. The detection module 5 can be selected from a turbidity sensor, an infrared sensor and a photosensitive sensor,
further optionally, the filter member is detachably disposed on a tub wall of a washing tub of the washing machine. Can dismantle the setting and can take off filter component from the bucket wall when filter component self-cleaning is not thorough and realize manual cleanness, clean mode is more nimble.
Further optionally, the water inlet 6 is connected with a cleaning pipeline, the cleaning pipeline is communicated with a water inlet pipeline of the washing machine, a control valve is arranged on the cleaning pipeline, a water inlet valve is arranged on the water inlet pipeline of the washing machine, the water inlet valve conducts the water inlet pipeline when the filtering component is cleaned, the control valve conducts the cleaning pipeline, water enters the cleaning pipeline from the water inlet pipeline, and finally enters the shell from the cleaning pipeline to wash and clean the filtering component. Preferably, the water outlet end of the cleaning pipeline is provided with a spraying device, and the inside of the filtering part is flushed in all directions by high-speed water flow sprayed by the spraying device.
Further optionally, the driving module includes a driving motor 4 and a transmission shaft 2 connected to the driving motor 4, and the bottom cover 3 is openably and closably disposed at the bottom of the housing through the transmission shaft 2. Preferably, the bottom edge of casing is equipped with telescopic buckle 1, is equipped with on the lid with 1 complex buckle hole 7 of buckle, and bottom 3 lid is fashionable, and buckle 1 stretches into in the buckle hole 7 in order to realize better sealed effect. When the filter component is cleaned, the buckle 1 is controlled to contract, so that the buckle 1 is moved out of the buckle hole 7, and the driving device drives the transmission shaft 2 to rotate to open the bottom cover 3. After cleaning is finished, the driving device drives the transmission shaft 2 to rotate to cover the bottom cover 3, and the buckle 1 is controlled to stretch into the buckle hole 7.
Further optionally, a water outlet channel is further disposed at the bottom of the filtering component, a water outlet end of the water outlet channel extends to the outside of the washing tub, and when the filtering device is cleaned, water and dirt discharged by the filtering component flow out of the washing tub through the water outlet channel. The water outlet end of the water outlet channel can be communicated with the outer barrel, and dirty water generated during cleaning the filtering component enters the outer barrel through the water discharge channel and is discharged from the water discharge port at the bottom of the outer barrel. Or the water outlet end of the water outlet channel is provided with a water outlet pipeline which is communicated with a drain pipe of the washing machine, and the water with dirt generated when the filtering component is cleaned enters the water outlet pipeline through the drain channel and is finally discharged through the drain pipe.
Further optionally, the detection module 5 is a turbidity sensor disposed on a side wall of the housing. The embodiment utilizes the sensitive degree of turbidity sensor to light to judge how much of dirty pile-up, and when dirty is piled up in filtering component, because pile volume's change makes inside light also can change thereupon, consequently there is different detected values turbidity sensor when different dirty height, and this embodiment can detect filtering component's dirty degree through setting up turbidity sensor on the lateral wall of casing.
Fig. 3 is a control system for detecting and cleaning the filtering device, the turbidity sensor detects the filtering screen device, sends the detected data to the control module for processing, and determines whether to clean according to the detected cleaning threshold, and in the whole control system, the detection result of the turbidity sensor is used as a feedback signal to complete the control of the whole system, and a specific program control flow refers to fig. 4.
The embodiment also discloses a washing machine with the filtering device.
The embodiment also discloses a control method of the washing machine, the dirty degree of the filter element is detected, when the dirty degree of the filter element reaches the cleaning threshold value, the bottom cover 3 is controlled to be opened, and water is controlled to enter the shell from the water inlet 6 to clean the filter element.
Further alternatively, when it is detected that the height of the dirty accumulation of the filter member reaches a set height, it is determined that the degree of contamination of the filter member reaches the cleaning threshold. The turbidity sensor is arranged on the side wall of the shell, so that turbidity values of the dirt at different heights can be accurately detected, and the height of the dirt in the filtering component can be determined according to the detected turbidity values. When detecting that the accumulational height of dirt reaches the settlement height in the filter unit, the control is intake and control bottom 3 is opened and is implemented cleanly to the filter unit in the casing, when detecting that the accumulational height of dirt is less than the settlement height in the filter unit, then need not to implement cleanly to the filter unit.
Further optionally, in the process of cleaning the filter element, the dirty accumulated height of the filter element is detected in real time, and when the dirty accumulated height of the filter element is lower than a set height, the bottom cover 3 is controlled to be closed, and water feeding into the shell is stopped.
Further optionally, when the time for cleaning the filter component reaches the set time, the height of the dirt accumulation of the filter component is still higher than the set height, the cleaning of the filter component is stopped, and a manual cleaning prompt is sent to a user.
Further optionally, the filter element is cleaned before the washing begins and/or after the entire washing process has ended.
Because the bottom of the shell is directly connected with the drainage channel, in order to prevent misjudgment in the washing process, water in the inner barrel of the washing machine is discharged through the bottom of the shell, so that the quantity of the washing water is insufficient, the filtering device is cleaned only before the clothes are washed or after the whole washing process is finished, and the system enters a corresponding detection and removal mode again after the washing is finished.
As shown in the flowchart of fig. 4, after the whole machine is operated, a user can set a threshold range for alarming the height of dirt accumulation in the filter screen, before the filter device is cleaned, the water inlet pipeline at the top of the shell is in a disconnected state, the driving motor 4 and the bottom cover 3 are in a closed state, and after the threshold range is set, the turbidity sensor starts to detect the inside of the filter component according to the current threshold. At this moment, the system starts to work, because the turbidity sensor is very sensitive to light, when debris pile up highly to the threshold value scope of settlement, the sensor detects the light source not enough, send back signal to control module at once this moment, water inlet pipe switches on and jets into high-speed rivers by water inlet 6 and wash the inside dirt of filter unit, drive bottom 3 through driving motor 4 simultaneously and open, wash accumulational dirt to the outside, detect filter unit's dirt after the time of settlement when piling up highly and being less than the threshold value scope of setting for example, the settlement time is 5min, control module can send relevant signal, with water inlet pipe disconnection and with bottom 3 lid close. At this time, the controller of the whole machine is signaled to enter a normal washing mode. When the foreign matter that can't thoroughly clear away appears in the washing process, the dirty height that turbidity sensor detected filtering component in the set time promptly still surpasss the threshold value scope not that sets up, and the system can get into manual clear mode this moment, reminds the user to open filter equipment through manual, clears away the debris of the inside, and the filtering component of this embodiment is detachable device. After the manual cleaning is finished, the filter part is installed and then enters a washing mode, so that the pollution of foreign matters in the sundries pile in the filter screen is prevented.
After whole washing process finishes, detect the filter unit again, compare with the threshold value scope of setting for before, if exceeded, then repeated washing operation switches on the water intake pipe, jets into rivers to the casing is inside, erodees the filter unit, and driving motor 4 starts simultaneously and opens bottom 3, treats that the filth clears away clean back, closes rivers, covers bottom 3. When the dirt which cannot be cleared is met, the manual cleaning mode is entered, and a user is reminded to open the filter part to clear the sundries. Therefore, residual dirt in the filtering part of the washing machine is removed, the self-cleaning function of the filtering part is realized, the secondary pollution of clothes is reduced, and the user experience is improved.
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 (10)
1. A washing machine filter device, comprising:
a filter member disposed on a washing tub of the washing machine; the filter component comprises a shell, the shell comprises a top cover and a bottom cover, and a water inlet is formed in the top cover; the bottom cover can be arranged at the bottom of the shell in an opening and closing manner; the side walls of the periphery of the shell are also provided with filter holes for the washing water to enter and exit; the water inlet is connected with a cleaning pipeline, the cleaning pipeline is communicated with a water inlet pipeline of the washing machine, and a control valve is arranged on the cleaning pipeline; the water inlet is connected with a cleaning pipeline, the cleaning pipeline is communicated with a water inlet pipeline of the washing machine, and a control valve is arranged on the cleaning pipeline;
the driving module is connected with the bottom cover and is used for opening and closing the bottom cover;
the detection module is used for detecting the dirt degree of the filter component; the control module is used for cleaning the filtering component before washing is started and/or after the whole washing process is finished, controlling the driving module to open the bottom cover according to the detection result of the detection module and controlling water to enter the shell from the water inlet to clean the filtering component.
2. The washing machine filter device as claimed in claim 1, wherein the filter member is detachably provided on a tub wall of a washing tub of the washing machine.
3. The filtering device of the washing machine as claimed in claim 1, wherein the driving module comprises a driving motor and a transmission shaft connected with the driving motor, and the bottom cover is openably and closably arranged at the bottom of the housing through the transmission shaft.
4. The filtering device of claim 1, wherein a water outlet channel is further formed at the bottom of the filtering member, a water outlet end of the water outlet channel extends to the outside of the washing tub, and when the filtering device is cleaned, water and dirt discharged by the filtering member flow out of the washing tub through the water outlet channel.
5. A washing machine filter unit according to any one of claims 1 to 4 wherein the detection module is a turbidity sensor provided on a side wall of the housing.
6. A washing machine, characterized in that it has a washing machine filter device according to any one of claims 1 to 5.
7. A control method of a washing machine as claimed in claim 6, wherein the filter member is cleaned by detecting a degree of contamination of the filter member, and controlling the bottom cover to be opened and controlling water to be introduced into the interior of the casing through the water inlet when it is detected that the degree of contamination of the filter member reaches the cleaning threshold.
8. The control method according to claim 7, characterized in that, when it is detected that the height of the dirty accumulation of the filter member reaches a set height, it is determined that the degree of contamination of the filter member reaches the cleaning threshold.
9. The control method according to claim 8, wherein in the process of cleaning the filter element, the dirt accumulation height of the filter element is detected in real time, and when the dirt accumulation height of the filter element is detected to be lower than a set height, the bottom cover is controlled to be closed, and water inflow into the shell is stopped.
10. The control method according to claim 9, wherein when the time for cleaning the filter member reaches a set time, the height of the dirt accumulation of the filter member is still higher than the set height, the cleaning of the filter member is stopped, and a manual cleaning prompt is issued to a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568605.2A CN112726144B (en) | 2020-12-25 | 2020-12-25 | Washing machine filtering device, washing machine and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011568605.2A CN112726144B (en) | 2020-12-25 | 2020-12-25 | Washing machine filtering device, washing machine and control method |
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| Publication Number | Publication Date |
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| CN112726144A CN112726144A (en) | 2021-04-30 |
| CN112726144B true CN112726144B (en) | 2021-10-22 |
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| CN202011568605.2A Active CN112726144B (en) | 2020-12-25 | 2020-12-25 | Washing machine filtering device, washing machine and control method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724799A (en) * | 2004-07-19 | 2006-01-25 | 乐金电子(天津)电器有限公司 | Condensating clothes drying machine and its filter detection method |
| JP2008161396A (en) * | 2006-12-28 | 2008-07-17 | Sanyo Electric Co Ltd | Washing/drying machine |
| CN104975475A (en) * | 2014-04-09 | 2015-10-14 | 海尔集团公司 | Self-cleaning method for filter net used for washing machine and washing machine |
| CN105648711A (en) * | 2014-11-26 | 2016-06-08 | 青岛海尔滚筒洗衣机有限公司 | Filter device and washing machine |
| CN207498671U (en) * | 2017-11-06 | 2018-06-15 | 江苏海狮机械股份有限公司 | Villus filter device in washing machine |
-
2020
- 2020-12-25 CN CN202011568605.2A patent/CN112726144B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1724799A (en) * | 2004-07-19 | 2006-01-25 | 乐金电子(天津)电器有限公司 | Condensating clothes drying machine and its filter detection method |
| JP2008161396A (en) * | 2006-12-28 | 2008-07-17 | Sanyo Electric Co Ltd | Washing/drying machine |
| CN104975475A (en) * | 2014-04-09 | 2015-10-14 | 海尔集团公司 | Self-cleaning method for filter net used for washing machine and washing machine |
| CN105648711A (en) * | 2014-11-26 | 2016-06-08 | 青岛海尔滚筒洗衣机有限公司 | Filter device and washing machine |
| CN207498671U (en) * | 2017-11-06 | 2018-06-15 | 江苏海狮机械股份有限公司 | Villus filter device in washing machine |
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| CN112726144A (en) | 2021-04-30 |
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