CN111850956B - Washing machine, control method of washing machine, and computer-readable storage medium - Google Patents
Washing machine, control method of washing machine, and computer-readable storage medium Download PDFInfo
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- CN111850956B CN111850956B CN201910289712.2A CN201910289712A CN111850956B CN 111850956 B CN111850956 B CN 111850956B CN 201910289712 A CN201910289712 A CN 201910289712A CN 111850956 B CN111850956 B CN 111850956B
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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
- D06F39/083—Liquid discharge or recirculation 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
- 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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- 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 provides a washing machine, a control method of the washing machine and a computer readable storage medium. Wherein, a washing machine includes: a water pan; the water level detection device is connected with the water receiving tray and used for detecting the water level in the water receiving tray; the inner cylinder drainage control device is connected with the inner cylinder of the washing machine and is used for opening or closing the drainage channel of the inner cylinder; the outer barrel drainage control device is connected with the water receiving tray and used for opening or closing a drainage channel of the water receiving tray; and the controller is respectively connected with the inner cylinder drainage control device, the outer cylinder drainage control device and the water level detection device and is used for controlling the working states of the inner cylinder drainage control device and the outer cylinder drainage control device according to the water level. By the washing machine, the risk caused by that the water level in the water receiving tray rises and is finally higher than the overflow of the upper edge when the inner barrel drains too fast or the water receiving tray drains unsmoothly can be avoided.
Description
Technical Field
The present invention relates to the technical field of washing machines, and more particularly, to a washing machine, a control method of a washing machine, and a computer-readable storage medium.
Background
In the latest single-barrel impeller washing machine, the water pan is low in height; in the drainage process, once the inner barrel drains too fast or the water receiving tray drains unsmoothly, the water level in the water receiving tray rises and is finally higher than the upper edge to overflow, so that risks are caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, an aspect of the present invention is to provide a washing machine.
Another aspect of the present invention is to provide a control method of a washing machine.
Yet another aspect of the present invention is to provide a computer-readable storage medium.
In view of the above, the present invention provides a washing machine, including: a water pan; the water level detection device is connected with the water receiving tray and used for detecting the water level in the water receiving tray; the inner cylinder drainage control device is connected with the inner cylinder of the washing machine and is used for opening or closing the drainage channel of the inner cylinder; the outer barrel drainage control device is connected with the water receiving tray and used for opening or closing a drainage channel of the water receiving tray; and the controller is respectively connected with the inner cylinder drainage control device, the outer cylinder drainage control device and the water level detection device and is used for controlling the working states of the inner cylinder drainage control device and the outer cylinder drainage control device according to the water level.
The invention provides a washing machine, which comprises a water pan, a water level detection device, an inner barrel drainage control device, an outer barrel drainage control device and a controller, wherein in the drainage process, the water level detection device is used for detecting the water level in the water pan and sending the detected water level detection information to the controller, the controller determines the water level of the water pan according to the water level detection information by receiving the water level detection information of the water pan, so that the water level in the water pan can be monitored in real time, and the working states (opening or closing) of the inner barrel drainage control device and the outer barrel drainage control device can be controlled according to the water level in the water pan, so that once the water level in the water pan is too high, corresponding measures can be taken, and the risk caused by the fact that the water level in the water pan rises and finally is higher than the upper edge to overflow when the inner barrel drainage is too fast or the water pan is not smooth is avoided.
According to the washing machine provided by the invention, the following technical characteristics can be provided:
in the above technical solution, preferably, the washing machine further includes: the air chamber is communicated with the water receiving disc; the water level detection device is communicated with the air chamber through a connecting pipe.
In this technical scheme, the air chamber is connected with the water collector, and the pressure of air chamber increases or reduces along with the height of water level in the water collector to be linked together through connecting pipe and water level detection device, thereby make water level detection device can the real-time sensing to the change of water level in the water collector, the controller is based on the water level detection information of water level detection device transmission, realizes the control of butt joint water level in the water collector.
In any of the above technical solutions, preferably, the water level detection device is any one of or a combination of the following: pressure sensor, pressure switch, level sensor, liquid level switch.
In this technical solution, the water level detection device includes any one of or a combination of the following: pressure sensor, pressure switch, level sensor, level switch, but is not limited thereto. Wherein, under the condition that the water level detection device is a pressure switch or a pressure sensor, the water level detection device is connected to the air chamber of the water pan; and under the condition that the water level detection device is a liquid level switch or a liquid level sensor, the water level detection device is arranged in the water pan.
In any of the above technical solutions, preferably, the inner cylinder drainage control device is a valve; the outer cylinder drainage control device is a valve or a pump.
In the technical scheme, the inner cylinder drainage control device is a valve, and the outer cylinder drainage control device is a valve or a pump, wherein the valve is an electric valve, an electromagnetic valve and the like.
In any of the above technical solutions, preferably, the water pan is disposed below the inner tub of the washing machine, the water pan is provided with a water outlet, and the liquid discharged from the inner tub flows into the water pan and is then discharged through the water outlet.
In the technical scheme, the water pan is arranged below the inner barrel, and specifically, at least one part of the water pan is arranged below the inner barrel, so that liquid discharged from the inner barrel or liquid overflowing from the inner barrel can flow into the water pan and then is discharged through the water outlet.
In a second aspect of the present invention, a control method of a washing machine is provided, including: in the drainage process, water level detection information of a water receiving tray of the washing machine is obtained, and the water level of the water receiving tray is determined according to the water level detection information; and controlling the working states of an inner barrel drainage control device of the washing machine and an outer barrel drainage control device of the washing machine according to the water level.
According to the control method of the washing machine, in the drainage process, the water level detection information of the water receiving tray is obtained, the water level of the water receiving tray is determined according to the water level detection information, the water level in the water receiving tray can be monitored in real time, and the working states (opening or closing) of the inner barrel drainage control device and the outer barrel drainage control device can be controlled according to the water level in the water receiving tray, so that corresponding measures can be taken once the water level in the water receiving tray is too high, and the risk caused by the fact that the water level in the water receiving tray rises and is finally higher than the upper edge to overflow when the inner barrel drainage is too fast or the water receiving tray is not smooth in drainage is avoided.
In the above technical solution, preferably, the step of controlling the operating states of the inner tub drainage control device of the washing machine and the outer tub drainage control device of the washing machine according to the water level specifically includes: under the condition that the water level reaches a preset water level, controlling the inner barrel drainage control device to be closed, and simultaneously controlling the outer barrel drainage control device to be opened; and under the condition that the water level is lower than the preset water level, the inner barrel drainage control device is controlled to be started, and the outer barrel drainage control device continues to work.
In this technical scheme, for avoiding water level in the water collector to rise and finally be higher than the top edge and spill over, need set for and predetermine the water level, when concrete implementation, predetermine the water level and can set for according to the height of water collector. When the water level in the water pan is monitored to reach the preset water level, the inner barrel drainage control device is controlled to be closed and not work, the inner barrel drainage is suspended, and meanwhile, the outer barrel drainage control device is controlled to be opened and work, so that water stored in the water pan is drained; when the water level is monitored to be lower than the preset water level, if the water level is reduced to be lower than the preset water level, the inner barrel drainage control device is controlled to be started to work, the inner barrel is continuously drained, meanwhile, the outer barrel drainage control device is controlled to work continuously, and water accumulated in the water pan is drained.
In any of the above technical solutions, preferably, the step of determining the water level of the water-receiving tray according to the water level detection information specifically includes: determining that the water level reaches a preset water level under the condition of receiving first water level detection information; or receiving second water level detection information, comparing the second water level detection information with preset water level information, and determining that the water level reaches the preset water level under the condition that the second water level detection information is greater than or equal to the preset water level information.
In the technical scheme, the step of determining the water level in the water pan according to the water level detection information is limited, specifically, the step of directly determining that the water level in the water pan reaches the preset water level under the condition of receiving the first water level detection information; and comparing the second water level detection information with preset water level detection information under the condition of receiving the second water level detection information, and determining that the water level in the water receiving tray reaches the preset water level if the second water level detection information is greater than or equal to the preset water level detection information.
In any of the above technical solutions, preferably, the control method of the washing machine further includes: and alarming under the condition that the water level reaches the preset water level.
In the technical scheme, when the water level in the water receiving tray is monitored to reach the preset water level, an alarm is given out to remind a user, meanwhile, the working states of the inner barrel drainage control device and the outer barrel drainage control device can be controlled according to the water level, and the water in the water receiving tray is prevented from overflowing. In addition, the washing machine can accumulate the alarm frequency, and the alarm level is increased under the condition of excessive alarm frequency so as to remind a user, so that the user is attracted attention and the maintenance is carried out in time.
In a third aspect of the present invention, a computer-readable storage medium is provided, on which a computer program is stored, the computer program, when being executed by a processor, implementing the control method of the washing machine according to any one of the above technical solutions.
According to the computer-readable storage medium of the present invention, the computer program stored thereon, when being executed by the processor, implements the steps of the control method of the washing machine according to any one of the above-described technical aspects, thereby enabling to realize all the advantageous effects of the control method of the washing machine.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic view of a washing machine according to one embodiment of the present invention;
fig. 2 illustrates a flowchart of a control method of a washing machine according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a control method of a washing machine according to another embodiment of the present invention;
fig. 4 is a flowchart illustrating a control method of a washing machine according to still another embodiment of the present invention;
fig. 5 is a flowchart illustrating a control method of a washing machine according to an embodiment of the present invention.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
10 inner cylinders, 12 water receiving plates, 14 water level detection devices, 16 inner cylinder drainage control devices, 18 outer cylinder drainage control devices, 20 controllers and 22 air chambers.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In one embodiment of the first aspect of the present invention, a washing machine is provided.
As shown in fig. 1, a schematic view of a washing machine according to an embodiment of the present invention. Wherein, this washing machine includes: a drip pan 12; a water level detection device 14 connected to the water pan 12 for detecting the water level in the water pan 12; an inner tub drainage control device 16 connected to the inner tub 10 of the washing machine for opening or closing a drainage passage of the inner tub 10; the outer barrel drainage control device 18 is connected with the water pan 12 and used for opening or closing a drainage channel of the water pan 12; and the controller 20 is respectively connected with the inner cylinder drainage control device 16, the outer cylinder drainage control device 18 and the water level detection device 14 and is used for controlling the working states of the inner cylinder drainage control device 16 and the outer cylinder drainage control device 18 according to the water level.
In the washing machine provided by the embodiment of the invention, in the drainage process, the water level detection device 14 is used for detecting the water level in the water receiving tray 12, the detected water level detection information is sent to the controller 20, the controller 20 receives the water level detection information of the water receiving tray 12 and determines the water level of the water receiving tray 12 according to the water level detection information, so that the water level in the water receiving tray 12 can be monitored in real time, the working states (opening or closing) of the inner barrel drainage control device 16 and the outer barrel drainage control device 18 can be controlled according to the water level in the water receiving tray 12, and once the water level in the water receiving tray is too high, corresponding measures can be taken to avoid the risk caused by that the water level in the water receiving tray 12 rises and is finally higher than the upper edge to overflow when the inner barrel 10 drains too fast or the water receiving tray 12 drains unsmooth.
In one embodiment of the present invention, preferably, the washing machine further includes: the air chamber 22 is communicated with the water pan 12; the water level detection device 14 communicates with the air chamber 22 through a connection pipe.
In this embodiment, the air chamber 22 is connected to the water-receiving tray 12, the pressure of the air chamber 22 increases or decreases with the water level in the water-receiving tray 12, and is communicated with the water level detecting device 14 through a connecting pipe, so that the water level detecting device 14 can sense the change of the water level in the water-receiving tray 12 in real time, and the controller 20 monitors the water level in the water-receiving tray 12 based on the water level detection information transmitted by the water level detecting device 14.
In one embodiment of the present invention, the water level detecting device 14 is preferably any one or a combination of the following: pressure sensor, pressure switch, level sensor, liquid level switch.
In this embodiment, the water level detection device 14 includes any one or a combination of the following: pressure sensor, pressure switch, level sensor, level switch, but is not limited thereto. Wherein, in case that the water level detection device 14 is a pressure switch or a pressure sensor, the water level detection device 14 is connected to the air chamber 22 of the drip tray 12; in the case where the water level detection device 14 is a level switch or a level sensor, the water level detection device 14 is provided in the drip tray 12.
In one embodiment of the present invention, the inner barrel drain control device 16 is preferably a valve; the tub drain control 18 is a pump or valve.
In this embodiment, the inner drum drain control device 16 is a valve, and the outer drum drain control device 18 is a pump or a valve, wherein the valve can be an electric valve or an electromagnetic valve, but is not limited thereto.
In one embodiment of the present invention, preferably, the drain pan 12 is disposed under the inner tub 10 of the washing machine, and the drain pan is provided with a drain outlet through which the liquid drained from the inner tub 10 flows into the drain pan 12 and is drained.
In this embodiment, the drain pan 12 is disposed below the inner tub 10, and specifically, at least a portion of the drain pan 12 is disposed below the inner tub 10, so that liquid drained from the inner tub 10 or overflowing from the inner tub 10 flows into the drain pan 12 and is drained through the drain opening.
In a second aspect of the present invention, a control method for a washing machine is provided.
As shown in fig. 2, a flowchart of a control method of a washing machine according to an embodiment of the present invention. The control method of the washing machine comprises the following steps:
and 204, controlling the working states of an inner cylinder drainage control device of the washing machine and an outer cylinder drainage control device of the washing machine according to the water level.
According to the control method of the washing machine, provided by the embodiment of the invention, in the drainage process, the water level detection information of the water pan is obtained, the water level of the water pan is determined according to the water level detection information, the water level in the water pan can be monitored in real time, and the working states of the inner barrel drainage control device and the outer barrel drainage control device are controlled according to the water level in the water pan, so that corresponding measures can be taken once the water level in the water pan is too high, and the risk caused by the fact that the water level in the water pan rises and finally overflows higher than the upper edge when the water in the inner barrel is drained too fast or the water in the water pan is drained unsmooth is avoided.
As shown in fig. 3, a flowchart of a control method of a washing machine according to another embodiment of the present invention. The control method of the washing machine comprises the following steps:
In this embodiment, in order to prevent the water level in the water-receiving tray from rising and finally overflowing above the upper edge, a preset water level needs to be set, and in specific implementation, the preset water level can be set according to the height of the water-receiving tray. When the water level in the water pan is monitored to reach the preset water level, the inner barrel drainage control device is controlled to be closed and not work, the inner barrel drainage is suspended, and meanwhile, the outer barrel drainage control device is controlled to be opened and work, so that water stored in the water pan is drained; when the water level is monitored to be lower than the preset water level, if the water level is reduced to be lower than the preset water level, the inner barrel drainage control device is controlled to be started to work, the inner barrel is continuously drained, meanwhile, the outer barrel drainage control device is controlled to work continuously, and water accumulated in the water pan is drained.
As shown in fig. 4, a flowchart of a control method of a washing machine according to still another embodiment of the present invention. The control method of the washing machine comprises the following steps:
In this embodiment, the step of determining the water level in the water-receiving tray according to the water level detection information is limited, specifically, the step of directly determining that the water level in the water-receiving tray reaches the preset water level when the first water level detection information is received; and comparing the second water level detection information with preset water level detection information under the condition of receiving the second water level detection information, and determining that the water level in the water receiving tray reaches the preset water level if the second water level detection information is greater than or equal to the preset water level detection information.
In any of the above embodiments, preferably, the control method of the washing machine further includes: and alarming under the condition that the water level reaches the preset water level.
In the embodiment, when the water level in the water receiving tray reaches the preset water level, an alarm is given to remind a user, and meanwhile, the working states of the inner barrel drainage control device and the outer barrel drainage control device can be controlled according to the water level, so that the water in the water receiving tray is prevented from overflowing. In addition, the washing machine can accumulate the alarm frequency, and the alarm level is increased under the condition of excessive alarm frequency so as to remind a user, so that the user is attracted attention and the maintenance is carried out in time.
The specific embodiment provides a washing machine, wherein a main controller C is connected with an outer barrel drainage pump/drainage valve P/V, an inner barrel drainage valve V1 and a water level sensor S, the water level sensor S is connected to a water pan, specifically, an air chamber structure is added on the water pan, and the water level sensor S is connected to the air chamber structure and detects the water level L in the water pan; in the drainage process, once the water level in the water pan is too high, the main controller C timely drains the water in the water pan by controlling the working states of the outer barrel drainage pump/drainage valve P/V and the inner barrel drainage valve V1.
Fig. 5 is a flowchart illustrating a control method of a washing machine according to an embodiment of the present invention. The control method of the washing machine comprises the following steps:
and step 510, the main controller C controls the opening work of the drain valve V1 of the inner cylinder to continue the drainage of the inner cylinder, and controls the opening work of the drain pump/drain valve P/V of the outer cylinder to pump/drain the water in the water pan.
In a third embodiment of the present invention, there is provided a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements a control method for a washing machine as in any one of the above embodiments.
The present invention provides a computer-readable storage medium, on which a computer program stored is executed by a processor, implementing the steps of the control method of a washing machine as in any one of the above embodiments, thereby enabling to realize all the advantageous effects of the control method of a washing machine.
Computer readable storage media may include any medium that can store or transfer information. Examples of computer readable storage media include electronic circuits, semiconductor memory devices, ROM, flash memory, Erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
In the description herein, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance unless explicitly stated or limited otherwise; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A washing machine, characterized by comprising:
a water pan;
the water level detection device is connected with the water receiving tray and used for detecting the water level in the water receiving tray;
the inner cylinder drainage control device is connected with the inner cylinder of the washing machine and is used for opening or closing the drainage channel of the inner cylinder;
the outer barrel drainage control device is connected with the water receiving tray and used for opening or closing a drainage channel of the water receiving tray;
and the controller is respectively connected with the inner cylinder drainage control device, the outer cylinder drainage control device and the water level detection device and is used for controlling the working states of the inner cylinder drainage control device and the outer cylinder drainage control device according to the water level.
2. The washing machine as claimed in claim 1, further comprising:
the air chamber is communicated with the water receiving tray;
the water level detection device is communicated with the air chamber through a connecting pipe.
3. The washing machine as claimed in claim 1,
the water level detection device is any one or combination of the following: pressure sensor, pressure switch, level sensor, liquid level switch.
4. The washing machine as claimed in claim 1,
the inner cylinder drainage control device is a valve;
the outer barrel drainage control device is a valve or a pump.
5. The washing machine as claimed in claim 1,
the water pan is arranged below the inner barrel of the washing machine, the water pan is provided with a water outlet, and liquid discharged by the inner barrel flows into the water pan and then is discharged through the water outlet.
6. A control method of a washing machine, characterized by comprising:
in the drainage process, acquiring water level detection information of a water pan of the washing machine, and determining the water level of the water pan according to the water level detection information;
and controlling the working states of the inner barrel drainage control device of the washing machine and the outer barrel drainage control device of the washing machine according to the water level.
7. The method for controlling a washing machine according to claim 6, wherein the step of controlling the operating states of the inner tub drain control device of the washing machine and the outer tub drain control device of the washing machine according to the water level specifically comprises:
under the condition that the water level reaches a preset water level, controlling the inner barrel drainage control device to be closed, and simultaneously controlling the outer barrel drainage control device to be opened;
and under the condition that the water level is lower than the preset water level, controlling the inner barrel drainage control device to be started and the outer barrel drainage control device to continue working.
8. The method as claimed in claim 7, wherein the step of determining the water level of the water tray according to the water level detection information includes:
under the condition of receiving first water level detection information, determining that the water level reaches the preset water level; or
Receiving second water level detection information, comparing the second water level detection information with preset water level information, and determining that the water level reaches the preset water level under the condition that the second water level detection information is greater than or equal to the preset water level information.
9. The control method of a washing machine according to any one of claims 6 to 8, further comprising:
and alarming under the condition that the water level reaches a preset water level.
10. A computer-readable storage medium on which a computer program is stored, the computer program, when being executed by a processor, implementing a control method of a washing machine according to any one of claims 6 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910289712.2A CN111850956B (en) | 2019-04-11 | 2019-04-11 | Washing machine, control method of washing machine, and computer-readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910289712.2A CN111850956B (en) | 2019-04-11 | 2019-04-11 | Washing machine, control method of washing machine, and computer-readable storage medium |
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| CN111850956B true CN111850956B (en) | 2022-03-22 |
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| CN114808364B (en) * | 2021-01-22 | 2023-11-24 | 无锡小天鹅电器有限公司 | Laundry treating apparatus, control method thereof, and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392800Y (en) * | 1998-12-29 | 2000-08-23 | 海尔集团公司 | Water-spill-over protection device for washer |
| CN208121412U (en) * | 2018-03-09 | 2018-11-20 | 无锡小天鹅股份有限公司 | Washing machine |
-
2019
- 2019-04-11 CN CN201910289712.2A patent/CN111850956B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392800Y (en) * | 1998-12-29 | 2000-08-23 | 海尔集团公司 | Water-spill-over protection device for washer |
| CN208121412U (en) * | 2018-03-09 | 2018-11-20 | 无锡小天鹅股份有限公司 | Washing machine |
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