CN111945393A - Water inlet control method and device, clothes treatment equipment and storage medium - Google Patents
Water inlet control method and device, clothes treatment equipment and storage medium Download PDFInfo
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- CN111945393A CN111945393A CN202010652950.8A CN202010652950A CN111945393A CN 111945393 A CN111945393 A CN 111945393A CN 202010652950 A CN202010652950 A CN 202010652950A CN 111945393 A CN111945393 A CN 111945393A
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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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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/47—Responding to irregular working conditions, e.g. malfunctioning of pumps
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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
- D06F34/04—Signal transfer or data transmission arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- 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
- D06F39/088—Liquid supply arrangements
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- Computer Networks & Wireless Communication (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The application provides a water inlet control method, a water inlet control device, a clothes treatment device and a storage medium, wherein the method comprises the following steps: acquiring a water level parameter change value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process; determining whether the sensor fails according to the water level parameter change value; according to the sensor failure, a drainage pump of the clothes processing device is started to drain water in the outer barrel. This application detects the situation of change of water level parameter in the bucket through the sensor, judges whether the sensor is out of order according to the situation of change of water level parameter, opens the water discharge pump and discharges the water in the outer bucket when confirming the sensor trouble, reduces the sensor trouble and leads to the condition emergence of outer bucket overflow. And the time interval for detecting the water level parameter change value can be shortened along with the extension of the water inlet duration. Or, the time interval for detecting the water level parameter change value is shortened along with the increase of the water level, thereby further reducing the overflow of the outer barrel caused by the sensor failure.
Description
Technical Field
The application belongs to the technical field of electrical equipment, and particularly relates to a water inlet control method and device, clothes treatment equipment and a storage medium.
Background
The washing machine senses the water level through the sensor, and stops water inflow when sensing that the water level reaches a preset water level in the water inflow process. However, when the sensor fails, water still enters the water tank after the water level reaches the preset water level, and water overflows.
Especially for the single-barrel impeller washing machine, the height of the outer barrel is lower than that of the inner barrel, if a sensor fails in the water inlet process, the water in the inner barrel can directly overflow into the outer barrel after the water level of the inner barrel is too high, and because the volume of the outer barrel is small and no overflow port exists, the water can rapidly overflow through the outer barrel and flow to the ground or even electric devices, so that danger is caused.
Disclosure of Invention
The application provides a water inlet control method, a water inlet control device, clothes treatment equipment and a storage medium, wherein a sensor is used for detecting the change condition of a water level parameter in an inner barrel, whether the sensor fails or not is judged according to the change condition of the water level parameter, a drainage pump is started to drain water in an outer barrel when the sensor fails, and the condition that the outer barrel overflows due to sensor failure is reduced.
An embodiment of a first aspect of the present application provides a water inlet control method, including:
acquiring a water level parameter change value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process;
determining whether the sensor fails according to the water level parameter change value;
and starting a draining pump of the clothes processing device to drain water in an outer barrel according to the fault of the sensor.
In some embodiments of the present application, the acquiring a water level parameter variation value of an inner tub of a laundry treatment device in real time by a sensor during a water inlet process includes:
detecting a water level parameter value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process, and recording the water inlet duration;
determining a time interval to which the water inlet duration belongs;
acquiring preset interval time corresponding to the duration interval;
and in the time interval, calculating the difference between the two water level parameter values detected at the preset interval time every other preset interval time to obtain the water level parameter change value.
In some embodiments of the present application, the determining whether the sensor is faulty according to the water level parameter variation value includes:
acquiring a preset change threshold corresponding to the duration interval;
and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to the preset change threshold value.
In some embodiments of the present application, a lower limit of a first duration interval is greater than or equal to an upper limit of a second duration interval, and a preset interval corresponding to the first duration interval is less than a preset interval corresponding to the second duration interval.
In some embodiments of the present application, the acquiring a water level parameter variation value of an inner tub of a laundry treatment device in real time by a sensor during a water inlet process includes:
detecting a water level parameter value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process;
determining a water level gear of the current water level of the inner barrel according to the water level parameter value;
acquiring preset interval time corresponding to the water level gears;
and in a time interval corresponding to the water level gear, calculating a difference value between two water level parameter values detected at intervals of the preset interval time every the preset interval time to obtain a water level parameter change value.
In some embodiments of the present application, the determining whether the sensor is faulty according to the water level parameter variation value includes:
acquiring a preset change threshold corresponding to the water level gear;
and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to the preset change threshold value.
In some embodiments of the present application, the first water level gear is greater than the second water level gear, and the preset interval time corresponding to the first water level gear is less than the preset interval time corresponding to the second water level gear.
In some embodiments of the present application, the acquiring a water level parameter variation value of an inner tub of a laundry treatment device in real time by a sensor during a water inlet process includes:
detecting a water level parameter value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process;
and calculating the water level parameter change value of the inner barrel at preset intervals.
In some embodiments of the present application, the method further comprises:
detecting that the current preset interval time is not reached, and determining whether the current water level is greater than a water level gear corresponding to the current preset interval time or not according to the current water level parameter value;
calculating the water level parameter change value of the inner barrel at intervals corresponding to the water level gears according to the water level gears corresponding to the current preset interval time when the current water level is higher than the current preset interval time;
and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to a change threshold corresponding to the water level gear.
In some embodiments of the present application, after determining that the sensor is faulty, the method further comprises:
adding one to the number of faults;
and sending water inlet fault alarm information according to the fault times which are more than or equal to the preset times.
In some embodiments of the present application, the method further comprises:
modifying the value of the failure times to be zero according to the fact that the water level parameter change value is larger than the preset change threshold value;
closing a drain pump of the laundry treating apparatus.
In some embodiments of the present application, the method further comprises:
acquiring a preset water level corresponding to the water inlet process;
determining whether the current water level of the inner barrel reaches the preset water level or not according to the current water level parameter value;
and controlling a water inlet valve of the clothes treatment device to be closed according to the current water level reaching the preset water level.
Embodiments of a second aspect of the present application provide a water inlet control device, including:
the acquisition module is used for acquiring a water level parameter change value of an inner barrel of the clothes processing device in real time through a sensor in the water inlet process;
the determining module is used for determining whether the sensor fails according to the water level parameter change value;
and the drainage module is used for starting a drainage pump of the clothes treatment device to drain water in the outer barrel according to the fault of the sensor.
Embodiments of a third aspect of the present application provide a laundry treatment apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor executing the computer program to implement the method of the first aspect described above.
An embodiment of a fourth aspect of the present application provides a computer-readable storage medium having a computer program stored thereon, the program being executable by a processor to implement the method of the first aspect.
The technical scheme provided in the embodiment of the application at least has the following technical effects or advantages:
in the embodiment of the application, the change condition of the water level parameter in the inner barrel of the clothes treatment device is detected through the sensor, whether the sensor fails or not is judged according to the change condition of the water level parameter, and the drainage pump is started to drain water in the outer barrel when the sensor fails, so that the phenomenon that the outer barrel overflows due to the sensor failure is reduced.
Further, with the extension of the water inlet duration, the time interval for detecting the water level parameter change value is shortened, so that the longer the water inlet time is, the higher the frequency of judging the sensor fault is, and the condition of outer barrel overflow caused by the sensor fault is further reduced.
Further, as the water level increases, the time interval for detecting the water level parameter change value is shortened, so that the higher the water level is, the higher the frequency of judging the sensor fault is, and the condition of outer barrel overflow caused by the sensor fault is further reduced.
Additional aspects and advantages of the present application 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 present application.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic flow chart illustrating a water inlet control method according to an embodiment of the present disclosure;
FIG. 2 is another schematic flow chart diagram illustrating a method for controlling water inflow provided by an embodiment of the present application;
FIG. 3 is another schematic flow chart diagram illustrating a method for controlling water inflow according to an embodiment of the present application;
FIG. 4 is another schematic flow chart diagram illustrating a method for controlling water inflow provided by an embodiment of the present application;
FIG. 5 is another schematic flow chart diagram illustrating a method for controlling water inflow provided by an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a water inlet control device according to an embodiment of the present application;
fig. 7 is a schematic structural view illustrating a laundry treating apparatus according to an embodiment of the present application;
fig. 8 is a schematic diagram of a storage medium provided in an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
A water inlet control method, a device, a laundry treatment apparatus, and a storage medium according to embodiments of the present application will be described below with reference to the accompanying drawings.
The height of the outer barrel of the single-barrel pulsator washing machine is lower than that of the inner barrel, and the bottom of the inner barrel is provided with a sensor for detecting the water level parameter value in the inner barrel. When the sensor has some faults, the sensor can still detect the water level parameter value, but the detected water level parameter value may not change or has a small change value. For example, the change of the water level frequency detected when the air tube bending failure occurs in the air pressure sensor is small, and the water level frequency detected when the air tube falling failure occurs in the air pressure sensor is a fixed value. The washing machine can not judge whether the water level in the inner barrel reaches the preset water level according to the water level parameter value detected by the sensor under the condition, so that the water level in the inner barrel still enters water after exceeding the preset water level, the water level in the inner barrel is too high and then directly overflows to the outer barrel, the volume of the outer barrel is small and has no overflow port, and the water can quickly overflow the outer barrel and overflow to the ground or even to an electric device.
Based on this, the embodiment of the present application provides a water inlet control method, which determines whether a sensor fails according to a variation of a parameter value of a water level in an inner tub, and turns on a drain pump provided in an outer tub to drain water in the outer tub when the sensor fails, thereby preventing the water in the outer tub from overflowing.
Referring to fig. 1, the method specifically includes the following steps:
step 101: the water level parameter variation value of an inner barrel of the clothes processing device is obtained in real time through a sensor in the water inlet process.
In the embodiment of the present application, the laundry treating apparatus has an inner tub and an outer tub, and a sensor is disposed at the bottom of the inner tub, and the sensor may be an air pressure sensor, a weight sensor, or any other sensor capable of sensing a water level. In the water inlet process of the clothes treatment device, a water level parameter value of an inner barrel of the clothes treatment device is detected in real time through a sensor in the inner barrel. If the sensor arranged in the inner barrel is an air pressure sensor, the water level frequency of the inner barrel of the clothes processing device is detected by the air pressure sensor in the water inlet process. If the sensor arranged in the inner barrel is a weight sensor, the weight sensor is used for detecting the water level weight corresponding to the current water level in the inner barrel of the clothes processing device in the water inlet process.
In the water inlet process, as the water level in the inner barrel is higher and higher along with the prolonging of the time, the possibility that the water in the inner barrel overflows to the outer barrel is higher and higher, and in order to further reduce the overflow condition, the embodiment of the application can also shorten the interval time of whether the detection sensor is in fault along with the prolonging of the water inlet time, namely the longer the water inlet duration is, the higher the detection frequency is. Specifically, the water inlet process is divided into a plurality of time length intervals, such as [0, 60s ], (60s, 120s ], (120s, + ∞), and the like, and the preset interval time corresponding to each time length interval is set, and the shorter the time length interval corresponding to the longer water inlet time length interval is, that is, assuming that the lower limit value of the first time length interval is greater than or equal to the upper limit value of the second time length interval, the preset interval time corresponding to the first time length interval is less than the preset interval time corresponding to the second time length interval, for example, the preset interval times corresponding to the time length intervals [0, 60s ], (60s, 120s ], (120s, + ∞) can be 60s, 30s and 15s in sequence, and setting the preset interval time corresponding to each duration interval according to the requirement.
And the water inlet duration is also recorded in real time in the water inlet process. And determining a time interval to which the current water inlet duration belongs, and acquiring the preset interval time corresponding to the time interval. And in the time interval to which the current water inlet duration belongs, calculating the difference between two water level parameter values detected at intervals of preset interval time every preset interval time corresponding to the time interval to obtain the water level parameter change value. After each calculation of the water level parameter variation value, it is determined whether the sensor is out of order from the calculated water level parameter variation value by the operation of step 102 as follows.
For example, assuming that the current water inlet duration is 80s, determining that the duration interval to which the current water inlet duration belongs is (60s, 120 s), acquiring that the preset interval time corresponding to the duration interval (60s, 120 s) is 30s, calculating a water level parameter change value every 30s in the duration interval (60s, 120 s), namely calculating a difference value between the water level parameter value detected at the 90 th s and the water level parameter value detected at the 60 th s, and calculating a difference value between the water level parameter value detected at the 120 th s and the water level parameter value detected at the 90 th s.
Step 102: and determining whether the sensor fails according to the water level parameter change value.
When some faults occur to the sensor, although the sensor can still detect the water level parameter value, the variation of the detected water level parameter value along with time is small, so that whether the sensor has the faults or not can be judged according to the variation condition of the water level parameter value. According to the embodiment of the application, a corresponding preset change threshold value is set for each divided duration interval. Since the preset interval time corresponding to the longer water inlet duration time interval is shorter, the preset change threshold value corresponding to the longer water inlet duration time interval is smaller. That is, if the lower limit of the first duration interval is greater than or equal to the upper limit of the second duration interval, the preset change threshold corresponding to the first duration interval is smaller than the preset change threshold corresponding to the second duration interval.
For example, when the water level parameter value is the water level frequency collected by the air pressure sensor, the preset change thresholds corresponding to the time duration intervals [0, 60s ], (60s, 120s ], (120s, + ∞) may be sequentially 100Hz, 50Hz and 30 Hz., and when the water level parameter value is the water level weight collected by the weight sensor, the preset change thresholds corresponding to the time duration intervals [0, 60s ], (60s, 120s ], (120s, + ∞) may be sequentially 30kg, 15kg and 7 kg.
The specific value of the preset change threshold corresponding to each duration interval is not limited in the embodiment of the application, and the preset change threshold corresponding to each duration interval can be set according to requirements in practical application.
After the water level parameter variation value is calculated in the step 101, a preset variation threshold corresponding to a duration interval to which the current water inlet duration belongs is obtained first, then the calculated water level parameter variation value is compared with the obtained preset variation threshold, and if the water level parameter variation value is greater than the preset variation threshold, it is determined that the sensor has not failed. If the water level parameter variation value is smaller than or equal to the preset variation threshold value, the variation of the water level parameter value detected by the sensor is over small, and the sensor fault is determined.
Step 103: according to the sensor failure, a drainage pump of the clothes processing device is started to drain water in the outer barrel.
After the sensor is determined to have a fault in step 102, a drain pump connected to the outer tub in the laundry treatment apparatus is controlled to start, and water in the outer tub is drained by the drain pump, so that the occurrence of outer tub overflow caused by the fault of the sensor is avoided.
In the embodiment of the application, the failure times are also set, and the failure times are increased by one after the sensor failure is judged every time. And comparing the failure times with preset times, if the failure times is less than the preset times, indicating that the number of times of continuously detecting the sensor failure is less, and the current sensor failure can be automatically recovered, so that the step 101 is returned to perform the cycle execution to detect whether the subsequent sensor is still in the failure state. If the water level parameter variation value is larger than the preset variation threshold value in the step 102, it is determined that the sensor has not failed, and even if the number of previous failures is larger than 0, the sensor failure is considered to be repaired at this time, so that the value of the number of failures is modified to zero, and meanwhile, the drainage pump of the clothes treatment device is closed, and then the step 101 is returned to perform the circulating execution.
If the fault frequency is larger than or equal to the preset frequency, the sensor fault is detected for multiple times continuously, the normal use of the clothes treatment device is influenced, and therefore water inlet fault alarm information is sent out and used for prompting a user that the sensor fault occurs in the clothes treatment device. The clothes treatment device can control the water inlet valve to be closed while sending out water inlet fault alarm information, stop water inlet and end the current washing operation.
In the embodiment of the application, the preset times for judging whether the water inlet fault occurs can be set according to a large amount of test operation data by operating the water inlet control method provided by the embodiment of the application through the clothes treatment device under the condition of different water inlet pressures. Or during the process of using the laundry processing device by the user, the laundry processing device detects the water levels reached by the intake water at different times through the sensors arranged in the inner tub, determines the time required for the water levels to reach the set water level, and determines the total number of times of detecting the water level parameter variation value of the inner tub within the determined time in the process of operating the water intake control method provided by the embodiment of the application, and the total number of times can be set as the preset number of times.
One or more of devices such as a buzzer, a warning lamp and a voice player can be arranged on the clothes treatment device, and the sound emitted by the buzzer can be used as water inlet fault alarm information to prompt a user. Or, the warning lamp can be turned on, and the light emitted by the warning lamp is used as water inlet fault alarm information to prompt a user. Or the voice player can play voice information for prompting the water inlet fault, and the voice information is used as water inlet fault alarm information. Or, the clothes treatment device may further be provided with a communication element, the clothes treatment device is in communication connection with a terminal of a user, such as a mobile phone or a computer, through the communication element, the clothes treatment device may send water inlet fault alarm information to the terminal of the user through the communication element, and the water inlet fault alarm information may be information in different forms, such as text or voice. After the user knows that the sensor of the clothes treatment device has a fault through the water inlet fault alarm information sent by the clothes treatment device, the user can contact with after-sales personnel or maintenance personnel to maintain the clothes treatment device in time.
In the process of washing clothes by using the clothes treatment device, the water inlet valve of the clothes treatment device needs to be closed in time when water inlet is finished, so that overflow and resource waste caused by excessive water inlet are avoided. Therefore, the embodiment of the present application further needs to determine whether water inflow is completed in real time. Specifically, a preset water level corresponding to a current water inlet process is obtained, in the water inlet process of the clothes treatment device, whether the current water level of the inner tub reaches the preset water level or not is determined according to a current water level parameter value, and if the current water level is determined to reach the preset water level, the water inlet valve of the clothes treatment device is controlled to be closed.
The preset water level in the current water inlet process can be a water level set by a user in a user-defined mode. The laundry treating apparatus may sense the weight of the laundry by the weight sensor, and determine the water level according to the weight of the laundry.
In order to facilitate understanding of the methods provided by the embodiments of the present application, reference is made to the following description taken in conjunction with the accompanying drawings. As shown in fig. 2, a 1: and controlling the water inlet valve to open to feed water. A2: the water level parameter value of an inner barrel of the clothes processing device is detected in real time through a sensor, and the water inlet duration is recorded. A3: and determining a time interval to which the current water inlet duration belongs, and acquiring preset interval time and a preset change threshold corresponding to the time interval. A4: and calculating a water level parameter change value once every preset interval time corresponding to the duration interval within the duration interval to which the current water inlet duration belongs. A5: and judging whether the calculated water level parameter change value is less than or equal to a preset change threshold corresponding to the time interval to which the current water inlet duration belongs, if so, executing the step A6, and if not, executing the step A10. A6: the failure number i is i + 1. A7: and starting a drainage pump of the clothes treatment device to drain the water in the outer barrel. A8: and D, judging whether the failure times i are larger than or equal to the preset times, if so, executing the step A9, and if not, returning to the step A2. A9: and sending water inlet fault alarm information, closing the water inlet valve and ending. A10: the failure number i is 0. A11: the drain pump of the laundry treating apparatus is turned off and then returns to step a 2.
In the embodiment of the application, the change condition of the water level parameter in the inner barrel of the clothes treatment device is detected through the sensor, whether the sensor fails or not is judged according to the change condition of the water level parameter, and the drainage pump is started to drain water in the outer barrel when the sensor fails, so that the phenomenon that the outer barrel overflows due to the sensor failure is reduced. And with the extension of the water inlet duration, the time interval for detecting the water level parameter change value is shortened, so that the longer the water inlet time is, the higher the frequency of judging the sensor fault is, and the condition of outer barrel overflow caused by the sensor fault is further reduced. If the sensor fault is continuously judged for multiple times, water inlet fault alarm information is sent out to prompt a user to maintain the clothes treatment device in time.
Another embodiment of the present application provides a water inlet control method, which is different from the water inlet control method provided by the above embodiment in that the time interval for detecting the water level parameter variation value is shorter as the water inlet duration is longer in the above embodiment. In the embodiment of the present application, the higher the water level gear at which the current water level is located is, the shorter the time interval for detecting the water level parameter change value is. The embodiments of the present application mainly describe different portions from the above embodiments, and other portions similar to the above embodiments can be referred to the related contents of the above embodiments.
In the embodiment of the application, the clothes treatment device is divided into a plurality of water level gears, and a water level parameter interval corresponding to each water level gear is set. For example, 1-6 water level steps may be divided, and assuming that the water level parameter value is the air pressure frequency detected by the air pressure sensor, the water level parameter interval corresponding to the water level step 6 may be [250Hz, 300Hz ]. Assuming that the water level parameter value is the water level weight detected by the weight sensor, the water level parameter interval corresponding to the water level gear 6 may be [10kg, 12kg ]. The embodiment of the application does not limit the number of the water level gears divided by the clothes treatment device, does not limit the water level parameter interval corresponding to each water level gear, and can divide the water level gears of the clothes treatment device and determine the water level parameter interval corresponding to each water level gear according to requirements in practical application.
In the water inlet process, as the water level gear at which the current water level is located is higher and higher, the possibility that water in the inner barrel overflows to the outer barrel is higher and higher, and in order to further reduce the occurrence of overflow, the embodiment of the application can shorten the interval time of whether the detection sensor is in fault along with the rise of the water level, namely, the higher the water level is, the higher the detection frequency is. Specifically, a preset time interval corresponding to each water level gear is set, and the higher the water level gear is, the shorter the corresponding preset time interval is. That is, if the first water level gear is greater than the second water level gear, the preset interval time corresponding to the first water level gear is less than the preset interval time corresponding to the second water level gear. For example, the preset interval times corresponding to the water level steps 1, 3 and 6 may be 60s, 30s and 15s in sequence. The embodiment of the application does not limit the specific value of the preset interval time corresponding to each water level gear, and the value can be set according to requirements in practical application.
In the water inlet process of the clothes treatment device, the water level parameter value of the inner barrel is detected in real time through the sensor. And determining the water level gear of the current water level of the inner barrel according to the currently detected water level parameter value. Specifically, a water level parameter interval to which the currently detected water level parameter value belongs is determined, a water level gear corresponding to the water level parameter interval to which the currently detected water level parameter value belongs is determined, and the water level gear is determined as the water level gear at which the current water level of the inner barrel is located. And acquiring preset interval time corresponding to the water level gear at which the current water level is positioned. And in a time interval corresponding to the current water level gear, calculating the difference value between two water level parameter values detected at preset intervals to obtain a water level parameter change value. And after calculating the water level parameter change value every time, determining whether the sensor has a fault according to the calculated water level parameter change value.
It should be noted that, the water level parameter value of the inner barrel can be detected under the condition that some faults occur in the sensor, but the detected water level parameter value is fixed or has small change. For example, the change of the water level frequency detected when the air tube bending failure occurs in the air pressure sensor is small, and the water level frequency detected when the air tube falling failure occurs in the air pressure sensor is a fixed value.
For example, if the sensor arranged in the inner tub is an air pressure sensor, the current water level frequency detected by the air pressure sensor is 280Hz, and the water level parameter interval to which the current water level frequency belongs is determined to be [250Hz, 300Hz ], the water level gear 6 corresponding to the water level parameter interval [250Hz, 300Hz ] is determined to be the water level gear at which the current water level is located. Assuming that the preset interval time corresponding to the water level gear 6 is 15s, the water level parameter change value is calculated every 15s in the time interval of the water inlet time corresponding to the water level gear 6.
The embodiment of the application also sets a corresponding preset change threshold value for each water level gear. Since the higher the water level gear is, the shorter the corresponding preset interval time is, the smaller the corresponding preset change threshold value of the higher water level gear is. That is, if the lower limit of the first duration interval is greater than or equal to the upper limit of the second duration interval, the preset change threshold corresponding to the first duration interval is smaller than the preset change threshold corresponding to the second duration interval. If the first water level gear is larger than the second water level gear, the preset change threshold corresponding to the first water level gear is smaller than the preset change threshold corresponding to the second water level gear.
For example, when the water level parameter value is the water level frequency collected by the air pressure sensor, the preset change thresholds corresponding to the water level gears 1, 3 and 6 may be 100Hz, 50Hz and 30Hz in sequence. When the water level parameter value is the water level weight collected by the weight sensor, the preset change thresholds corresponding to the water level gears 1, 3 and 6 may be 30kg, 15kg and 7kg in sequence.
The embodiment of the application does not limit the specific value of the preset change threshold corresponding to each water level gear, and the preset change threshold corresponding to each water level gear can be set according to requirements in practical application.
After the water level parameter change value is calculated, a preset change threshold corresponding to a water level gear where the current water level is located is firstly obtained, then the calculated water level parameter change value is compared with the obtained preset change threshold, and if the water level parameter change value is larger than the preset change threshold, it is determined that the sensor does not break down. If the water level parameter variation value is smaller than or equal to the preset variation threshold value, the variation of the water level parameter value detected by the sensor is over small, and the sensor fault is determined.
The operations after the sensor failure is determined, and the operations of detecting whether water inflow is completed in real time in the water inflow process are the same as the related operations in the above embodiments, and are not described again here.
In order to facilitate understanding of the methods provided by the embodiments of the present application, reference is made to the following description taken in conjunction with the accompanying drawings. As shown in fig. 3, B1: and controlling the water inlet valve to open to feed water. B2: the water level parameter value of an inner barrel of the clothes processing device is detected in real time through a sensor. B3: and determining the water level gear of the current water level according to the current water level parameter value, and acquiring the preset interval time and the preset change threshold corresponding to the current water level gear. B4: and calculating a water level parameter change value every preset interval time corresponding to the water level gear within a time interval corresponding to the current water level gear. B5: and judging whether the calculated water level parameter change value is less than or equal to a preset change threshold corresponding to the current water level gear, if so, executing the step B6, and if not, executing the step B10. B6: the failure number i is i + 1. B7: and starting a drainage pump of the clothes treatment device to drain the water in the outer barrel. B8: and judging whether the failure times i are greater than or equal to the preset times, if so, executing the step B9, and if not, returning to the step B2. B9: and sending water inlet fault alarm information and closing the water inlet valve. B10: the failure number i is 0. B11: the drain pump of the laundry treating apparatus is turned off and then returns to step B2.
In the embodiment of the application, the change condition of the water level parameter in the inner barrel of the clothes treatment device is detected through the sensor, whether the sensor fails or not is judged according to the change condition of the water level parameter, and the drainage pump is started to drain water in the outer barrel when the sensor fails, so that the phenomenon that the outer barrel overflows due to the sensor failure is reduced. And with the increase of the water level, shorten the time interval of detecting the parameter variation value of the water level, thus make the water level higher, judge the frequency of the sensor trouble is higher, further reduce the sensor trouble and cause the situation of the outer barrel overflow. If the sensor fault is continuously judged for multiple times, water inlet fault alarm information is sent out to prompt a user to maintain the clothes treatment device in time.
The embodiment of the application provides a water inlet control method, which is different from the water inlet control method provided by the embodiment in that the time interval for detecting the water level parameter change value is shorter as the water inlet duration is longer in the embodiment. Or the time interval for detecting the water level parameter change value is shorter as the water level gear at which the current water level is positioned is higher. In the embodiment of the application, the water level parameter change value is detected according to fixed interval time in the water inlet process. The embodiments of the present application mainly describe different portions from the above embodiments, and other portions similar to the above embodiments can be referred to the related contents of the above embodiments.
The embodiment of the application presets a preset time interval and a preset change threshold value for judging whether the sensor is in failure or not in the clothes treatment device, wherein the preset time interval can be 60s, 30s, 15s and the like. Assuming that the water level parameter value is the water level frequency detected by the air pressure sensor, the preset variation threshold may be 100Hz, 50Hz, 30Hz, and the like. Assuming that the water level parameter value is the water level weight collected by the weight sensor, the preset variation threshold may be 30kg, 15kg and 7kg in sequence. The specific values of the preset time interval and the preset change threshold are not limited in the embodiment of the application, and can be set according to requirements in practical application.
In the water inlet process of the clothes treatment device, the water level parameter value of the inner barrel is detected in real time through the sensor. And calculating the water level parameter change value once every preset interval time. And after calculating the water level parameter change value each time, comparing the calculated water level parameter change value with a preset change threshold value, and if the water level parameter change value is greater than the preset change threshold value, determining that the sensor does not break down. If the water level parameter variation value is smaller than or equal to the preset variation threshold value, the variation of the water level parameter value detected by the sensor is over small, and the sensor fault is determined.
It should be noted that, the water level parameter value of the inner barrel can be detected under the condition that some faults occur in the sensor, but the detected water level parameter value is fixed or has small change. For example, the change of the water level frequency detected when the air tube bending failure occurs in the air pressure sensor is small, and the water level frequency detected when the air tube falling failure occurs in the air pressure sensor is a fixed value.
The operations after the sensor failure is determined, and the operations of detecting whether water inflow is completed in real time in the water inflow process are the same as the related operations in the above embodiments, and are not described again here.
In order to facilitate understanding of the methods provided by the embodiments of the present application, reference is made to the following description taken in conjunction with the accompanying drawings. As shown in fig. 4, C1: and controlling the water inlet valve to open to feed water. C2: the water level parameter value of an inner barrel of the clothes processing device is detected in real time through a sensor. C3: and calculating the water level parameter change value once every preset interval time. C4: and judging whether the calculated water level parameter variation value is less than or equal to a preset variation threshold, if so, executing the step C5, and if not, executing the step C9. C5: the failure number i is i + 1. C6: and starting a drainage pump of the clothes treatment device to drain the water in the outer barrel. C7: and judging whether the failure times i are greater than or equal to the preset times, if so, executing the step C8, and if not, returning to the step C2. C8: and sending water inlet fault alarm information and closing the water inlet valve. C9: the failure number i is 0. C10: the drain pump of the laundry treating apparatus is turned off and then returns to step C2.
In the embodiment of the application, the water level parameter change value in the inner barrel of the clothes treatment device is detected at preset intervals, whether the sensor fails or not is judged according to whether the water level parameter change value is smaller than a preset change threshold value or not, and the drainage pump is started to drain water in the outer barrel when the sensor fails, so that the phenomenon that the outer barrel overflows due to the sensor failure is reduced. If the sensor fault is continuously judged for multiple times, water inlet fault alarm information is sent out to prompt a user to maintain the clothes treatment device in time.
In some embodiments of the present application, the solutions provided by the three embodiments may also be combined arbitrarily, for example, during a part of the water inlet process, the detection is performed according to a preset interval time with fixed intervals, and during another part of the water inlet process, the detection is performed according to a solution with a higher water level and a shorter interval time. Or, the detection is carried out according to a preset interval time with fixed intervals in one part of time, and the detection is carried out according to a scheme that the interval time is shorter along with the time extension in the other part of time. Alternatively, the detection is performed in a mode that the interval time is shorter as the water level is higher in one part of the time, and the detection is performed in a mode that the interval time is shorter as the time is longer in the other part of the time. Or, the detection is carried out according to the preset interval time with fixed intervals in the whole water inlet process, and the detection is carried out according to the scheme that the interval time is shorter as the water level is higher in each preset interval time.
The water inlet method comprises the steps of detecting water inlet time intervals, and detecting water inlet time intervals, wherein the water inlet time intervals are fixed in the whole water inlet process, and the water inlet time intervals are detected in each preset time interval according to the scheme that the higher the water level is, the shorter the time intervals are. In the combination scheme, the water level gear needing to be detected corresponding to each preset interval time can be respectively set, and the interval time and the change threshold corresponding to the water level gear needing to be detected can be set.
For example, the water level gear corresponding to the first preset interval time in the water inlet process is set to be 4, the water level gear corresponding to the second preset interval time is set to be 6, and the water level gear corresponding to the third preset interval time is set to be 8. The interval time corresponding to the water level gears 4, 6 and 8 is 30s, 15s and 7s in sequence. The change threshold values corresponding to the water level gears 4, 6 and 8 are 60Hz, 30Hz and 15Hz in sequence.
The embodiment of the application does not limit the value of the preset interval time, does not limit the water level gears corresponding to each preset interval time, and the interval time and the change threshold corresponding to each water level gear, and can be set according to requirements in practical application.
And when the current preset interval time is detected to arrive, calculating the difference value between the water level parameter value detected at the ending moment and the water level parameter value detected at the starting moment of the preset interval time to obtain the water level parameter change value corresponding to the current preset interval time. And comparing the water level parameter variation value with a preset variation threshold value, if the water level parameter variation value is less than or equal to the preset variation threshold value, determining that the sensor has a fault, adding one to the fault times, and starting a drainage pump to drain water in the outer barrel. And judging whether the failure frequency is greater than the preset frequency, and if so, sending water inlet failure alarm information. If not, the detection process of the next preset interval time is entered.
And if the current preset interval time is not reached, determining whether the current water level is greater than a water level gear corresponding to the current preset interval time or not according to the current water level parameter value. And if the current water level is determined to be less than or equal to the water level gear corresponding to the current preset interval time, continuously detecting whether the current preset interval time is reached. And if the current water level is determined to be larger than the water level gear corresponding to the current preset interval time, calculating the water level parameter change value of the inner barrel at intervals corresponding to the water level gear. And if the calculated water level parameter change value is less than or equal to the change threshold corresponding to the water level gear, determining that the sensor has a fault. And starting a draining pump to drain the water in the outer barrel. If the calculated water level parameter variation value is larger than the variation threshold corresponding to the water level gear, determining that the sensor has no fault, closing the drainage pump, and continuously detecting whether the current preset interval time is reached.
To facilitate understanding of the above-mentioned combination scheme, the operation flow in a preset interval is described below with reference to fig. 5. As shown in fig. 5, D1: and controlling the water inlet valve to open to feed water. D2: the water level parameter value of an inner barrel of the clothes processing device is detected in real time through a sensor. D3: and D, judging whether the current preset interval time is reached, if so, executing the step D4, and if not, executing the step D12. D4: and calculating the water level parameter change value corresponding to the current preset interval time. D5: and D, judging whether the calculated water level parameter change value is less than or equal to a preset change threshold corresponding to the current preset interval time, if so, executing the step D6, and if not, executing the step D10. D6: the failure number i is i + 1. D7: and starting a drainage pump of the clothes treatment device to drain the water in the outer barrel. D8: and D, judging whether the failure times i are larger than or equal to the preset times, if so, executing the step D9, and if not, returning to the step D2. D9: and sending water inlet fault alarm information and closing the water inlet valve. D10: the failure number i is 0. D11: the drain pump of the laundry treating apparatus is turned off and then returns to step D2. D12: and D, judging whether the water level gear of the current water level is larger than the water level gear corresponding to the current preset interval time, if so, executing the step D13, otherwise, returning to the step D2. D13: and D, judging whether the interval time corresponding to the current water level gear is reached, if so, executing the step D14, and if not, returning to the step D2. D14: and D, judging whether the current water level parameter change value is less than or equal to the change threshold corresponding to the current water level gear, if so, executing the step D15, and if not, executing the step D16. D15: the drain pump is turned on and then returns to step D2. D16: the drain pump is shut off and then returned to step D2.
The water inlet control method of the combination scheme provided by the embodiment of the application and the water inlet control method provided by the above embodiments of the application have the same inventive concept and the same beneficial effects as the adopted, operated or realized method.
An embodiment of the present application further provides a water inlet control device, where the device is configured to execute the water inlet control method according to any of the foregoing embodiments, and as shown in fig. 6, the device includes:
an obtaining module 601, configured to obtain a water level parameter variation value of an inner tub of the laundry processing apparatus in real time through a sensor in a water inlet process;
a determining module 602, configured to determine whether the sensor fails according to the water level parameter variation value;
the draining module 603 is used for starting a draining pump of the laundry treating apparatus to drain water in the outer tub according to the sensor failure.
The acquiring module 601 is configured to detect a water level parameter value of an inner tub of the laundry processing apparatus in real time through a sensor during a water inlet process, and record a water inlet duration; determining a time interval to which the water inlet duration belongs; acquiring preset interval time corresponding to the duration interval; and in the time interval, calculating the difference value between the two water level parameter values detected at preset intervals to obtain the water level parameter change value.
The determining module 602 is configured to obtain a preset change threshold corresponding to the duration interval; and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to a preset change threshold value.
The lower limit value of the first duration interval is greater than or equal to the upper limit value of the second duration interval, and the preset interval time corresponding to the first duration interval is less than the preset interval time corresponding to the second duration interval.
The acquiring module 601 is configured to detect a water level parameter value of an inner tub of the laundry processing apparatus in real time through a sensor during a water inlet process; determining a water level gear of the current water level of the inner barrel according to the water level parameter value; acquiring preset interval time corresponding to a water level gear; and in a time interval corresponding to the water level gear, calculating the difference value between two water level parameter values detected at preset intervals to obtain a water level parameter change value.
The determining module 602 is configured to obtain a preset change threshold corresponding to a water level gear; and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to a preset change threshold value.
The first water level gear is larger than the second water level gear, and the corresponding preset interval time of the first water level gear is smaller than the corresponding preset interval time of the second water level gear.
The acquiring module 601 is configured to detect a water level parameter value of an inner tub of the laundry processing apparatus in real time through a sensor during a water inlet process; and calculating the water level parameter change value of the inner barrel at preset intervals.
The obtaining module 601 is further configured to detect that the current preset interval time is not reached, and determine whether the current water level is greater than a water level gear corresponding to the current preset interval time according to the current water level parameter value; and calculating the water level parameter change value of the inner barrel at intervals of time corresponding to the water level gears according to the water level gears corresponding to the current preset interval time when the current water level is higher than the current preset interval time. The determining module 602 is further configured to determine a sensor fault according to that the water level parameter variation value is less than or equal to a variation threshold corresponding to the water level gear.
The device also includes: the fault alarm module is used for adding one to the fault times; and sending water inlet fault alarm information according to the fault frequency which is more than or equal to the preset frequency.
The fault elimination module is used for modifying the value of the fault times to zero according to the condition that the water level parameter change value is greater than a preset change threshold value; the drain pump of the laundry treating apparatus is turned off.
The water inlet completion determining module is used for acquiring a preset water level corresponding to a water inlet process; determining whether the current water level of the inner barrel reaches a preset water level or not according to the current water level parameter value; and controlling a water inlet valve of the clothes treatment device to be closed according to the current water level reaching the preset water level.
The water inlet control device provided by the above embodiment of the present application and the water inlet control method provided by the embodiment of the present application have the same beneficial effects as the method adopted, operated or implemented by the application program stored in the water inlet control device.
The embodiment of the application also provides a clothes treatment device to execute the upper water inlet control method. Referring to fig. 7, there is shown a schematic view of a laundry treating apparatus provided in some embodiments of the present application. As shown in fig. 7, the laundry treating apparatus 2 includes: the system comprises a processor 200, a memory 201, a bus 202 and a communication interface 203, wherein the processor 200, the communication interface 203 and the memory 201 are connected through the bus 202; the memory 201 stores a computer program that can be executed on the processor 200, and the processor 200 executes the water inlet control method provided by any one of the foregoing embodiments when executing the computer program.
The Memory 201 may include a high-speed Random Access Memory (RAM) and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The communication connection between the network element of the system and at least one other network element is realized through at least one communication interface 203 (which may be wired or wireless), and the internet, a wide area network, a local network, a metropolitan area network, and the like can be used.
The processor 200 may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method may be performed by integrated logic circuits of hardware or instructions in the form of software in the processor 200. The Processor 200 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 201, and the processor 200 reads the information in the memory 201 and completes the steps of the method in combination with the hardware thereof.
The clothes treatment equipment provided by the embodiment of the application and the water inlet control method provided by the embodiment of the application have the same beneficial effects as the method adopted, operated or realized by the equipment.
Referring to fig. 8, the computer readable storage medium is an optical disc 30, and a computer program (i.e., a program product) is stored thereon, and when being executed by a processor, the computer program executes the water inlet control method provided in any of the foregoing embodiments.
It should be noted that examples of the computer-readable storage medium may also include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory, or other optical and magnetic storage media, which are not described in detail herein.
The computer-readable storage medium provided by the above-mentioned embodiment of the present application and the water inlet control method provided by the embodiment of the present application have the same beneficial effects as the method adopted, operated or implemented by the application program stored in the computer-readable storage medium.
It should be noted that:
in the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the application, various features of the application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the application and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted to reflect the following schematic: this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (15)
1. A method of controlling water intake, comprising:
acquiring a water level parameter change value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process;
determining whether the sensor fails according to the water level parameter change value;
and starting a draining pump of the clothes processing device to drain water in an outer barrel according to the fault of the sensor.
2. The method as claimed in claim 1, wherein the acquiring a water level parameter variation value of an inner tub of a laundry treating apparatus in real time by a sensor during the water intake process comprises:
detecting a water level parameter value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process, and recording the water inlet duration;
determining a time interval to which the water inlet duration belongs;
acquiring preset interval time corresponding to the duration interval;
and in the time interval, calculating the difference between the two water level parameter values detected at the preset interval time every other preset interval time to obtain the water level parameter change value.
3. The method of claim 2, wherein said determining whether the sensor is malfunctioning based on the water level parameter variation value comprises:
acquiring a preset change threshold corresponding to the duration interval;
and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to the preset change threshold value.
4. The method of claim 3,
the lower limit value of the first time length interval is greater than or equal to the upper limit value of the second time length interval, and the preset interval time corresponding to the first time length interval is less than the preset interval time corresponding to the second time length interval.
5. The method as claimed in claim 1, wherein the acquiring a water level parameter variation value of an inner tub of a laundry treating apparatus in real time by a sensor during the water intake process comprises:
detecting a water level parameter value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process;
determining a water level gear of the current water level of the inner barrel according to the water level parameter value;
acquiring preset interval time corresponding to the water level gears;
and in a time interval corresponding to the water level gear, calculating a difference value between two water level parameter values detected at intervals of the preset interval time every the preset interval time to obtain a water level parameter change value.
6. The method of claim 5, wherein said determining whether the sensor is malfunctioning based on the water level parameter variation value comprises:
acquiring a preset change threshold corresponding to the water level gear;
and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to the preset change threshold value.
7. The method of claim 6,
the first water level gear is larger than the second water level gear, and the corresponding preset interval time of the first water level gear is smaller than the corresponding preset interval time of the second water level gear.
8. The method as claimed in claim 1, wherein the acquiring a water level parameter variation value of an inner tub of a laundry treating apparatus in real time by a sensor during the water intake process comprises:
detecting a water level parameter value of an inner barrel of the clothes treatment device in real time through a sensor in a water inlet process;
and calculating the water level parameter change value of the inner barrel at preset intervals.
9. The method of claim 8, further comprising:
detecting that the current preset interval time is not reached, and determining whether the current water level is greater than a water level gear corresponding to the current preset interval time or not according to the current water level parameter value;
calculating the water level parameter change value of the inner barrel at intervals corresponding to the water level gears according to the water level gears corresponding to the current preset interval time when the current water level is higher than the current preset interval time;
and determining the fault of the sensor according to the fact that the water level parameter change value is smaller than or equal to a change threshold corresponding to the water level gear.
10. The method of claim 3 or 6, wherein after determining the sensor failure, further comprising:
adding one to the number of faults;
and sending water inlet fault alarm information according to the fault times which are more than or equal to the preset times.
11. The method of claim 10, further comprising:
modifying the value of the failure times to be zero according to the fact that the water level parameter change value is larger than the preset change threshold value;
closing a drain pump of the laundry treating apparatus.
12. The method according to any one of claims 2-9, further comprising:
acquiring a preset water level corresponding to the water inlet process;
determining whether the current water level of the inner barrel reaches the preset water level or not according to the current water level parameter value;
and controlling a water inlet valve of the clothes treatment device to be closed according to the current water level reaching the preset water level.
13. A water inlet control device, comprising:
the acquisition module is used for acquiring a water level parameter change value of an inner barrel of the clothes processing device in real time through a sensor in the water inlet process;
the determining module is used for determining whether the sensor fails according to the water level parameter change value;
and the drainage module is used for starting a drainage pump of the clothes treatment device to drain water in the outer barrel according to the fault of the sensor.
14. A laundry treatment apparatus comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program to implement the method according to any of claims 1-12.
15. A computer-readable storage medium, on which a computer program is stored, characterized in that the program is executed by a processor to implement the method according to any of claims 1-12.
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