CN103898716A - Washer leakage judgment method and washer thereof - Google Patents
Washer leakage judgment method and washer thereof Download PDFInfo
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- CN103898716A CN103898716A CN201210583299.9A CN201210583299A CN103898716A CN 103898716 A CN103898716 A CN 103898716A CN 201210583299 A CN201210583299 A CN 201210583299A CN 103898716 A CN103898716 A CN 103898716A
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- washing machine
- water level
- control system
- outer barrel
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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
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
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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
- D06F37/42—Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
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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
- D06F39/087—Water level measuring or regulating devices
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- D06F2202/085—
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- D06F2202/10—
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- D06F2204/086—
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The invention discloses a washer leakage judgment method and a washer thereof. The washer comprises a flow measuring device, a control system, a weighing system and a water level detection device, wherein the control system is used for realizing control, detection, display and alarm functions of the washer, the weighing system is used for detecting weight of clothes, and the water level detection device is used for detecting water level in an outer barrel. The method includes comparing a calculated water level L1 obtained by calculating water inflow and quantity of clothes to an actual water level obtained by detection, and judging the that the washer leaks if L1>L2. By the structure and the method, whether or not the washer leaks can be detected timely, and the washer can stop automatically and give an alarm after leakage is found. The washer is added with a leakage detection function, so that alarm for inflow abnormities is more timely and accurate, and great damage caused by leakage of the outer barrel is avoided.
Description
Technical field
The present invention relates to washing machine field, specifically leak determination methods and washing machine thereof of a kind of washing machine.
Background technology
Along with the raising of people's living standard, requirement and the expectation of people to washing machine day by day increases.People wish that the maloperation of oneself can be judged by machine and remind in time, to avoid causing waste, or even endanger.Expect that washing machine is more intelligent simultaneously, also safer, to reduce people's operation and to realize better clean result.
On washing machine, generally use water level control technology now, general working pressure formula sensor.The washing machine of working pressure formula level sensor control water level is generally realized by following method: after detecting water inlet, outer barrel upper chamber inner air pressure changes, and result is sent to single-chip microcomputer, single-chip microcomputer changes into corresponding SEA LEVEL VARIATION value the variation of pressure, judges water inlet water level and controls.When adopting said method, because bucket basal cross section is long-pending larger, so if water inlet without water inlet, needs the long period accurately to judge, then alert notice user.If washing machine fault causes leak, the computer board that slightly leaks may can't detect, and leaks and seriously causes the waste of large water gaging, even the damage of article.
For addressing the above problem, a lot of solutions have been proposed, for example:
Application number is 200810000761 Chinese patent---" a kind of washing machine water position detecting method and device thereof ", it,, by responding to the capacitance variations value in it at the capacitance type sensor of containing the setting of clothing bucket bucket wall, judges the SEA LEVEL VARIATION in bucket.But this kind of detection method easily causes damage in the Circuits System to washing machine, while leaking in bucket, alarm signal produces comparatively and lags behind, and causes user's time waste.
Based on needing above and shortcoming, special proposition the present invention.
Summary of the invention
Main purpose of the present invention is to address the above problem and is not enough, provides a kind of method can detect timely washing machine water leakage fault, and notifies user with alarm form, with the loss of avoiding waste of time and the harm of leaking brings.
For achieving the above object, technical scheme of the present invention is: a kind of washing machine determination methods of leaking, in the washing machine drum calculating by inflow and laundry amounts, calculate water level L1 and compare with detecting the actual water level L2 obtaining, if L1 > is L2, judge that washing machine leaks.
Further concrete step is:
11) detect the real-time flow of inlet water of washing machine by flow of inlet water measurement mechanism, measure clothing quality Q by weighing system;
12) calculate the inflow W in washing machine according to real-time flow of inlet water, in conjunction with clothing quality Q and outer barrel of washing machine structural analysis, calculate the calculating water level L1 in outer barrel of washing machine;
13) the actual water level L2 comparison that the calculating water level L1 in outer barrel of washing machine and detection obtain;
14) if L1 > is L2, send water leakage alarm signal.
Further, described actual water level L2 is that pressure type level sensor by being arranged on washing machine detects the water level in the outer barrel of washing machine obtaining.
Further, described inflow W is that the flow of inlet water that flow of inlet water measurement mechanism detected by control system for washing machine carries out superposition calculation conversion and draws.
Further, described calculating water level L1 passes through formula: calculate the empty bucket of water level L1=water level L0+ revision water level L3 and calculate; Described empty bucket water level L0 is the empty bucket water level while thering is no clothing in washing machine washing machine total inflow W and outer barrel of washing machine structure being converted to by control system; Described revision water level L3 is the revision value setting in advance in control system.
Further, described revision water level L3 is the water level value being drawn according to influence coefficient A and clothes weight Q correspondence by control system; Described clothes weight Q records clothes weight Q by weighing system, and the clothes weight Q recording is transferred to control system; Described influence coefficient A is the influence coefficient setting in advance in control system.
Further, described influence coefficient A according to different clothing materials be divided into different coefficient values respectively correspondence save as A
1, A
2an, user selects after clothing material, and control system is called corresponding coefficient value An according to the clothing material of washing, and coefficient of utilization value An draws should clothing material and the revision water level L3 of this clothes weight Q.
Further, in the time of the clothing of washing of drum type washing machine various material composition, control system according to coefficient value An corresponding to various materials and washing clothes quality Q respectively corresponding go out water level value corresponding to various materials, control system is judged the minimum of a value in each described water level value, and described minimum of a value is set as revising water level L3.
A kind of washing machine with washing machine water position detecting method as above, comprise flow of inlet water measurement mechanism, be used for the control system of control, detection, demonstration and the warning function of realizing washing machine, the condensate tank of dehumidifier of water level in clothing weighing system and detection outer barrel.
Further, described condensate tank of dehumidifier comprises the collection chamber being connected with outer barrel of washing machine and the pressure type level sensor changing for detection of collection chamber internal pressure.
The invention has the beneficial effects as follows:
By flow of inlet water measurement mechanism is set between water intaking valve and water inflowing box, make washing machine can accurately calculate in time the water yield entering in washing machine.
By calculating water level L1 and actual water level L2 are compared, make washing machine increase water leakage detecting function, thereby avoided causing large harm because outer barrel of washing machine leaks.
By said apparatus and method, improve the accuracy of the judgement of leaking, shortened the feedback time of the judgement of leaking, thereby the time of having saved user is improved the operating efficiency of washing machine.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is system flow block diagram of the present invention;
Fig. 2 is the structure drawing of device of embodiments of the invention;
Fig. 3 is the FB(flow block) of embodiments of the invention;
Fig. 4 is the system flow block diagram of the preferred embodiments of the present invention.
Description of symbols in figure: 1-water intaking valve, 2-flow measurement device, 3-water inflowing box, 4-control system, 5-pressure type level sensor, 6-collection chamber, 7-motor, 8-impeller.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, a kind of washing machine in this embodiment determination methods of leaking, specifically comprise the following steps: detect the real-time flow of inlet water of washing machine by the flow measurement device 2 being arranged on the inlet pipeline in washing machine, measure clothing quality Q by weighing system; Calculate the inflow W in washing machine by real-time flow of inlet water, then in conjunction with clothing quality Q and outer barrel of washing machine structural analysis, calculate the calculating water level L1 in outer barrel of washing machine; Calculating water level L1 and actual water level L2 in outer barrel of washing machine compare, if L1 > is L2, control system 4 is sent water leakage alarm signal.
As shown in Figure 2, in the present embodiment, a kind of washing machine of applying washing machine water position detecting method as above, described washing machine is preferably set to impeller automatic washing machine.In order to realize said method, described washing machine comprises casing, is provided with outer barrel in casing, is provided with interior bucket and impeller 8 in outer barrel.Interior bucket is connected with the motor 7 that is arranged on outer barrel bottom with impeller 8, and in motor 7 drives by transmission system, bucket and impeller 8 rotate.Outer barrel parts are lifted in casing by four suspension rods.Be provided with control panel seat at washing machine at casing top, in control panel seat, be provided with water intaking valve 1 and control system 4.Between described water intaking valve 1 and water inflowing box 3, be provided with flow measurement device 2, running water flows into water inflowing box 3 by water intaking valve 1 through flow measurement device 2, finally enters outer barrel in washing machine.Described control system 4 is made up of computer board, for realizing the functions such as control, detection, demonstration and the warning of automatic washing machine.
In the present embodiment, at the bottom of bucket, be provided with a collection chamber 6, be connected to the pressure type level sensor 5 on barrel top by connecting pipe.In the time of SEA LEVEL VARIATION, the air pressure respective change in collection chamber 6, pressure type level sensor 5 is converted into the signal of telecommunication force value and passes in control system 4, and the signal of telecommunication correspondence collecting is converted into the actual water level L2 in outer barrel of washing machine by control system 4.
Can in time, accurately measure the actual water level in outer barrel of washing machine by said apparatus.
As shown in Figure 3, in the present embodiment, described inflow W detects by the following method: detect the flow of inlet water in real-time inflow outer barrel of washing machine by the flow measurement device 2 being arranged on inlet pipeline; The described flow of inlet water detecting is converted to inflow W by control system 4.Described calculating water level L1 draws by following formula: calculate the empty bucket of water level L1=water level L0+ revision water level L3.Described empty bucket water level L0 is the empty bucket of the washing machine water level L0 that washing machine inflow amount W and outer barrel of washing machine structure is analyzed, calculated by control system 4.
In the present embodiment, described revision water level L3 is the water level value being drawn according to influence coefficient A and clothes weight Q correspondence by control system.Described clothes weight Q records clothes weight Q by weighing system, and the clothes weight Q recording is transferred to control system 4.Described influence coefficient A according to different clothing materials be divided into different coefficient values respectively correspondence save as A
1, A
2an, user selects after clothing material, and control system 4 is called corresponding coefficient value An according to the clothing material of washing, and coefficient of utilization value An draws the revision water level L3 of corresponding clothing.
By calculating water level L1 and actual water level L2 are compared, make washing machine increase water leakage detecting function, thereby avoided causing large harm because outer barrel of washing machine leaks.
As shown in Figure 1, this embodiment method comprises: a kind of washing machine determination methods of leaking: detect inflow W by the flow measurement device 2 being arranged on inlet pipeline; Described flow measurement device 2 transfers to inflow W the control system 4 of washing machine; Inflow W is converted to the calculating water level L1 in outer barrel of washing machine by the control system 4 of described washing machine, and described calculating water level L1 and actual water level L2 are compared, if L1 > is L2, control system 4 is sent alarm signal, and show to user by outlet terminal, suspend washing procedure.
As shown in Figure 4, in the present embodiment, described inflow W detects by the following method: detect the flow of inlet water in real-time inflow outer barrel of washing machine by the flow measurement device 2 being arranged on inlet pipeline; The described flow of inlet water detecting is converted to inflow W by control system 4.Described calculating water level L1 draws by following formula: calculate the empty bucket of water level L1=water level L0+ revision water level L3-allowable error water level L4.Described empty bucket water level L0 is the empty bucket of the washing machine water level L0 that washing machine inflow amount W and outer barrel of washing machine structure is analyzed, calculated by control system 4, and described allowable error water level L4 is the limits of error water level value being set in advance in washing machine.
In the present embodiment, described revision water level L3 is the water level value being drawn according to influence coefficient A and clothes weight Q correspondence by control system.Described clothes weight Q records clothes weight Q by weighing system, and the clothes weight Q recording is transferred to control system.Described influence coefficient A is the revision value setting in advance in control system 4.Described influence coefficient A is divided into different coefficient value An according to different clothing materials, and control system 4, according to the clothing material of user's washing, is selected corresponding coefficient value An, thereby drawn the revision water level L3 of corresponding clothing material and clothes weight Q.
By allowable error water level L4 is set, be provided with between a buffering area for calculating water level L1, avoid the make a mistake situation of water leakage alarm signal of washing machine.
As shown in Figure 3, in the present embodiment, described revision water level L3 is the water level value being drawn according to influence coefficient A and clothes weight Q correspondence by control system.Described clothes weight Q records clothes weight Q by weighing system, and the clothes weight Q recording is transferred to control system.Described influence coefficient A is the revision value setting in advance in control system 4.Described influence coefficient A is divided into different coefficient value An according to different clothing materials, and control system 4, according to the clothing material of user's washing, is selected corresponding coefficient value An, thereby drawn the revision water level L3 of corresponding clothing material and clothes weight Q.
In the time that washing machine adopts said method washing clothes, the clothing of washing of drum type washing machine is in the situation of clothing of various material composition, control system 4 according to coefficient value An corresponding to various materials and washing clothes quality Q respectively corresponding go out water level value corresponding to various materials.Judge the minimum of a value in water level value corresponding to described various materials by control system 4 again, and described minimum of a value is set as revising water level L3.
By choosing the minimum of a value in water level value corresponding to multiple washing clothes material, avoid the make a mistake situation of water leakage alarm signal of washing machine.
By said apparatus and method, improve the accuracy of water level judgement, shorten the feedback time of actual water level, thereby saved user's time, improve the operating efficiency of washing machine.By said method, make washing machine increase water leakage detection warning function, thereby avoided causing large harm because outer barrel of washing machine leaks.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection scope of the present invention.
It will be understood by those skilled in the art that specific descriptions are above in order to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. the washing machine determination methods of leaking, is characterized in that: the calculating water level L1 calculating by inflow and laundry amounts compares with detecting the actual water level L2 obtaining, if L1 > is L2, judges that washing machine leaks.
2. a kind of washing machine according to claim 1 determination methods of leaking, is characterized in that:
11) detect the real-time flow of inlet water of washing machine by flow of inlet water measurement mechanism (2), measure clothing quality Q by weighing system;
12) calculate the inflow W in washing machine according to flow of inlet water, in conjunction with clothing quality Q and outer barrel of washing machine structural analysis, calculate the calculating water level L1 in outer barrel of washing machine;
13) by the calculating water level L1 in outer barrel of washing machine and the actual water level L2 comparison measuring;
14) if L1 > is L2, send water leakage alarm signal.
3. a kind of washing machine according to claim 2 determination methods of leaking, is characterized in that: described actual water level L2 is that the pressure type level sensor (5) by being arranged on washing machine detects the water level in the outer barrel of washing machine obtaining.
4. a kind of washing machine according to claim 2 determination methods of leaking, is characterized in that: described inflow W is that flow of inlet water that the control system (4) by washing machine detects flow of inlet water measurement mechanism (2) carries out superposition calculation conversion and draws.
5. a kind of washing machine according to claim 2 determination methods of leaking, is characterized in that: described calculating water level L1 passes through formula: calculate the empty bucket of a water level L1=water level L0+ revision water level L3 and calculate;
Described empty bucket water level L0 is the empty bucket water level while thering is no clothing in washing machine washing machine total inflow W being drawn in conjunction with the Structure Calculation of outer barrel of washing machine by control system (4);
Described revision water level L3 is the revision water level setting in advance in control system (4).
6. a kind of washing machine according to claim 5 determination methods of leaking, is characterized in that: described revision water level L3 is the water level value being drawn according to influence coefficient A and clothes weight Q correspondence by control system (4);
Described clothes weight Q records clothes weight Q by weighing system, and the clothes weight Q recording is transferred to control system (4);
Described influence coefficient A is the influence coefficient setting in advance in control system (4).
7. a kind of washing machine according to claim 6 determination methods of leaking, is characterized in that: described influence coefficient A according to different clothing materials be divided into different coefficient values respectively correspondence save as A
1, A
2an, user selects after clothing material, and control system (4) is called corresponding coefficient value An according to the clothing material of washing, and coefficient of utilization value An draws should clothing material and the revision water level L3 of this clothes weight Q.
8. a kind of washing machine according to claim 7 determination methods of leaking, it is characterized in that: in the time of the clothing of washing of drum type washing machine various material composition, control system (4) according to coefficient value An corresponding to various materials and washing clothes quality Q respectively corresponding go out water level value corresponding to various materials, control system (4) is judged the minimum of a value in each described water level value, and described minimum of a value is set as revising water level L3.
9. the washing machine having as described in as arbitrary in the claim 1-8 washing machine of determination methods that leaks, it is characterized in that: comprise flow of inlet water measurement mechanism (2), be used for the control system (4) of control, detection, demonstration and the warning function of realizing washing machine, the condensate tank of dehumidifier of water level in clothing weighing system and detection outer barrel.
10. a kind of washing machine according to claim 9, is characterized in that: described condensate tank of dehumidifier comprises the collection chamber (6) being connected with outer barrel of washing machine and the pressure type level sensor (5) changing for detection of collection chamber (6) internal pressure.
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| CN201210583299.9A CN103898716B (en) | 2012-12-27 | 2012-12-27 | Washer leakage judgment method and washer thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973538A (en) * | 2016-06-23 | 2016-09-28 | 安徽金帅洗衣机有限公司 | Washing machine water testing running inspection technology |
| CN107227587A (en) * | 2016-03-24 | 2017-10-03 | 青岛海尔滚筒洗衣机有限公司 | A kind of roller washing machine and its leak determination methods |
| CN107447438A (en) * | 2017-09-27 | 2017-12-08 | 南京创维电器研究院有限公司 | A kind of automatically cleaning washing machine and its control method |
| CN109199122A (en) * | 2017-06-30 | 2019-01-15 | 佛山市顺德区美的电热电器制造有限公司 | A kind of cooking apparatus |
| CN109750446A (en) * | 2017-11-01 | 2019-05-14 | 松下知识产权经营株式会社 | Washing machine and its control method |
| CN110426155A (en) * | 2018-08-03 | 2019-11-08 | 宁波欧琳厨具有限公司 | A kind of method and system based on water ionizer detection sink leak |
| CN110857496A (en) * | 2018-08-10 | 2020-03-03 | 青岛海尔洗衣机有限公司 | Control method of ultrasonic cleaning device and ultrasonic cleaning device |
| CN111501278A (en) * | 2019-01-11 | 2020-08-07 | 青岛海尔洗衣机有限公司 | Control method for washing equipment |
| CN112281413A (en) * | 2019-07-26 | 2021-01-29 | 青岛海尔洗衣机有限公司 | Method for detecting abnormal water consumption of washing machine |
| CN113106692A (en) * | 2020-01-13 | 2021-07-13 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and control method thereof |
| CN113652836A (en) * | 2021-08-10 | 2021-11-16 | 珠海格力电器股份有限公司 | Water inlet control method of washing machine and washing machine |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227587A (en) * | 2016-03-24 | 2017-10-03 | 青岛海尔滚筒洗衣机有限公司 | A kind of roller washing machine and its leak determination methods |
| CN105973538A (en) * | 2016-06-23 | 2016-09-28 | 安徽金帅洗衣机有限公司 | Washing machine water testing running inspection technology |
| CN109199122B (en) * | 2017-06-30 | 2021-07-13 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil |
| CN109199122A (en) * | 2017-06-30 | 2019-01-15 | 佛山市顺德区美的电热电器制造有限公司 | A kind of cooking apparatus |
| CN107447438A (en) * | 2017-09-27 | 2017-12-08 | 南京创维电器研究院有限公司 | A kind of automatically cleaning washing machine and its control method |
| CN107447438B (en) * | 2017-09-27 | 2020-04-07 | 南京创维电器研究院有限公司 | Self-cleaning washing machine and control method thereof |
| CN109750446A (en) * | 2017-11-01 | 2019-05-14 | 松下知识产权经营株式会社 | Washing machine and its control method |
| CN110426155A (en) * | 2018-08-03 | 2019-11-08 | 宁波欧琳厨具有限公司 | A kind of method and system based on water ionizer detection sink leak |
| CN110857496A (en) * | 2018-08-10 | 2020-03-03 | 青岛海尔洗衣机有限公司 | Control method of ultrasonic cleaning device and ultrasonic cleaning device |
| CN110857496B (en) * | 2018-08-10 | 2023-09-12 | 重庆海尔洗衣机有限公司 | Control method of ultrasonic cleaning device and ultrasonic cleaning device |
| CN111501278A (en) * | 2019-01-11 | 2020-08-07 | 青岛海尔洗衣机有限公司 | Control method for washing equipment |
| CN112281413A (en) * | 2019-07-26 | 2021-01-29 | 青岛海尔洗衣机有限公司 | Method for detecting abnormal water consumption of washing machine |
| CN112281413B (en) * | 2019-07-26 | 2024-05-17 | 重庆海尔滚筒洗衣机有限公司 | Washing machine water consumption abnormality detection method |
| CN113106692A (en) * | 2020-01-13 | 2021-07-13 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and control method thereof |
| WO2021143606A1 (en) * | 2020-01-13 | 2021-07-22 | 青岛海尔滚筒洗衣机有限公司 | Washing machine and control method therefor |
| CN113106692B (en) * | 2020-01-13 | 2023-05-23 | 青岛海尔洗涤电器有限公司 | Washing machine and control method thereof |
| CN113652836A (en) * | 2021-08-10 | 2021-11-16 | 珠海格力电器股份有限公司 | Water inlet control method of washing machine and washing machine |
| CN113652836B (en) * | 2021-08-10 | 2023-02-24 | 珠海格力电器股份有限公司 | Water inlet control method of washing machine and washing machine |
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| CN103898716B (en) | 2017-05-03 |
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