Display screen control methods, control equipment and washing equipment

Abstract

This application proposes a display screen control method, control device, and washing device. The method includes: obtaining a first power outage time interval; within a preset interval correction period, if the washing device is in use within the first power outage time interval, controlling the power supply of the display module and touch module according to the operation of the washing device and the interaction of the display screen, and recording the first usage time period; if the washing device is in use outside the first power outage time interval, recording the second usage time period; wherein, the interval correction period includes at least one single cycle; when the actual usage time of the washing device reaches the interval correction period, processing the first usage time period and the second usage time period to obtain the second power outage time interval. This method can control the power outage of the display screen within the second power outage time interval, which neither affects the normal use of the display screen nor reduces the lifespan of the display screen due to frequent power outages.

Description

Technical Field

[0001] This application relates to the field of washing machine technology, and more specifically to a display screen control method, control device, and washing device. Background Technology

[0002] The washing machine's control panel is a screen that can both display information and allow for touch control of the washing machine. Frequent power cycles during use will shorten the lifespan of the control panel. Summary of the Invention

[0003] The purpose of this application is to provide a display control method, control device, and washing device, aiming to solve the problem of the frequent depletion of the lifespan of the display control screen in related technologies.

[0004] A first aspect of this application provides a display control screen method, wherein the display control screen is applied to a washing device, the display control screen includes a display module and a touch module, and the method includes:

[0005] Obtain a first power outage time interval, wherein the first power outage time interval is a period of time within a preset single cycle, used to control the display screen to lose power within the first power outage time interval;

[0006] Within a preset interval correction period, if the washing equipment is in use during the first power outage time interval, the power supply of the display module and touch module is controlled according to the operation of the washing equipment and the interaction of the display screen, and the first usage time period is recorded; if the washing equipment is in use outside the first power outage time interval, the second usage time period is recorded; wherein, the interval correction period includes at least one of the single periods.

[0007] When the actual usage time of the washing equipment reaches the interval correction period, the first usage time period and the second usage time period are processed to obtain the second power-off time interval, so as to control the display screen to cut off power within the second power-off time interval.

[0008] In this embodiment, during the control of the display screen, a first usage time period and a second usage time period are collected within the interval correction cycle. Since both the first and second usage time periods represent the actual usage time of the display screen, the second power-off time interval obtained based on these periods aligns with the actual usage of the display screen. This helps control the power outage of the display screen during the second power-off time interval, ensuring normal operation and reducing the lifespan loss due to frequent power-off switching. Simultaneously, if the washing equipment is in use during the first power-off time interval within the interval correction cycle, the power supply to the display module and touch module is controlled based on the operating and interaction status. This reduces power consumption and extends the lifespan of the display and touch modules, thereby extending the lifespan of the display screen.

[0009] In conjunction with the first aspect, in an optional implementation of this application embodiment, the step of processing the first usage time period and the second usage time period to obtain the second power outage time interval includes:

[0010] The first and second usage periods are linearly processed, and the first and second usage periods with deviations exceeding a preset deviation threshold are discarded.

[0011] The latest end time of the remaining first and second usage periods is used as the start time of the second power outage time interval, and the earliest start time of usage is used as the end time of the second power outage time interval. Alternatively, a preset first time point after the latest end time of the remaining first and second usage periods is used as the start time of the second power outage time interval, and a preset second time point before the earliest start time of usage is used as the end time of the second power outage time interval.

[0012] By using this embodiment, the first and second usage time periods with large deviations are discarded through linear processing, which can improve the accuracy of the obtained second power-off time interval. This allows for the determination of a second power-off time interval that closely matches the actual usage requirements of the display screen, avoiding situations where the display screen is powered on during a power-off due to an inaccurate second power-off time interval, thus increasing the number of power-off switching times on the display screen and extending its service life.

[0013] In conjunction with the first aspect, in an optional implementation of this application embodiment, after obtaining the second power outage time interval, the method further includes:

[0014] If the washing device is in use within the second power outage time interval of the single cycle and the number of times exceeds the preset threshold, it will re-enter the interval correction cycle to obtain the first usage time period and / or the second usage time period again, and determine the second power outage time interval based on the obtained first usage time period and / or second usage time.

[0015] In this embodiment, if the washing equipment is in use during the second power outage time interval, it proves that the actual usage time of the washing equipment has changed. At this time, when it re-enters the interval correction cycle, the first usage time period and / or the second usage time period can be determined according to the actual usage time of the washing equipment, thereby correcting the second power outage time interval, ensuring the accuracy of the subsequent power outage time of the display screen, reducing the switching frequency of power outages on the display screen, and extending the service life of the display screen.

[0016] In conjunction with the first aspect, in an optional implementation of this application embodiment, controlling the power supply of the display module and touch module based on the operating status of the washing equipment and the interaction status of the display screen includes:

[0017] If the washing equipment is not running, but the display screen is interactive, the power control circuit of the control screen is disconnected to stop supplying power to the display module in the display screen; the power control circuit of the control touch is turned on to supply power to the touch module in the display screen.

[0018] Alternatively, if there is no interaction on the display screen but the washing equipment is running, the touch power control circuit is disconnected to stop supplying power to the touch module in the display screen; the display power control circuit is turned on to supply power to the display module in the display screen.

[0019] The first end of the screen display power control circuit is connected to the display module, and the second end is connected to the display module power supply.

[0020] The display module power supply is used to supply power to the display module;

[0021] The first end of the touch power control circuit is connected to the touch module, and the second end is connected to the touch module power supply.

[0022] The touch module power supply is used to power the touch module.

[0023] In this embodiment, the display module and touch module can be powered independently, which helps reduce the power-on time of the display module and touch module, thereby reducing power consumption and extending the service life of the display screen. When the washing equipment is not in use, but the display screen is interactive, the control circuit for the display power supply is disconnected to stop powering the display module. The control circuit for the touch power supply is turned on to power the touch module. This achieves more refined energy saving. When the display screen is not interactive, but the washing equipment is in use, the control circuit for the touch power supply is disconnected to stop powering the touch module. The control circuit for the display power supply is turned on to power the display module. This achieves more refined energy saving. The design ensures that the touch and display functions in the washing equipment do not interfere with each other and are independent, achieving more refined energy saving and improving the energy efficiency level.

[0024] In conjunction with the first aspect, in an optional implementation of the embodiments of this application, determining that the display screen has no interaction includes: determining that the display screen has no interaction when the duration of no detected screen touch signal and ultrasonic detection signal is greater than or equal to a predetermined time threshold, or when the power button is not pressed.

[0025] Using this embodiment, the ultrasonic detection signal is less susceptible to interference from factors such as temperature and humidity, which helps to improve the accuracy of determining whether the display screen is not interactive.

[0026] In conjunction with the first aspect, in one optional implementation of the embodiments of this application, determining that the washing equipment is not operating includes one of the following conditions:

[0027] The washing equipment is in the off mode;

[0028] The power button was not pressed;

[0029] The processor enters low-power mode.

[0030] In conjunction with the first aspect, in one optional implementation of the embodiments of this application, determining that the washing equipment is operating includes one of the following conditions:

[0031] The washing equipment is in the power-on mode;

[0032] Press the power button;

[0033] The processor did not enter low-power mode.

[0034] In conjunction with the first aspect, in one optional implementation of the embodiments of this application, determining that the display screen has interaction includes at least one of the following:

[0035] Screen touch signal detected;

[0036] An ultrasonic detection signal was detected.

[0037] A second aspect of this application is a control device applying the control method of the first aspect, the control device comprising:

[0038] A display power control circuit, wherein the first end of the display power control circuit is connected to the display module, and the second end is connected to the power supply of the display module;

[0039] The display module power supply is used to supply power to the display module;

[0040] A touch power control circuit, wherein the first end of the touch power control circuit is connected to the touch module, and the second end is connected to the touch module power supply.

[0041] The touch module power supply is used to power the touch module;

[0042] The controller is used to control the power supply of the display module and the touch module according to the operation of the washing equipment and the interaction of the display screen.

[0043] A third aspect of this application provides a washing device including the control device described above.

[0044] In conjunction with the third aspect, in an optional implementation of the embodiments of this application, the touch power control circuit and the screen display power control circuit are respectively provided with controlled switching components. The control terminal of the controlled switching component is connected to the processor, and the controlled switching component is turned on or off under the control of the processor. The output terminal of the controlled switching component is connected to the touch module or the display module.

[0045] The technical effects achieved by the second and third aspects mentioned above are similar to those achieved by the corresponding technical means in the first aspect, and will not be repeated here. Attached Figure Description

[0046] Figure 1 A flowchart illustrating a display screen control method provided in one embodiment of this application;

[0047] Figure 2 A control circuit diagram provided in one embodiment of this application;

[0048] Figure 3 A control relationship diagram provided in one embodiment of this application;

[0049] Figure 4 A flowchart for determining a second power outage time interval is provided in one embodiment of this application;

[0050] Figure 5This is a flowchart of re-determining the second power outage time interval provided in an embodiment of the present invention;

[0051] Figure 6 This is a flowchart of the screen display auxiliary control provided in an embodiment of the present invention;

[0052] Figure 7 This is a flowchart of touch-assisted control provided in an embodiment of the present invention;

[0053] Figure 8 This is a schematic diagram of the structure of a washing device provided in an embodiment of the present invention. Detailed Implementation

[0054] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0055] The terminology used in the embodiments of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The singular forms “a,” “the,” and “the” used in the embodiments of this invention and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. “Multiple” generally includes at least two, but does not exclude the inclusion of at least one.

[0056] It should be understood that "multiple" as mentioned herein refers to two or more. In the description of the embodiments of this application, unless otherwise stated, " / " means "or," for example, A / B can mean A or B; "and / or" in this document is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Furthermore, to facilitate a clear description of the technical solutions of the embodiments of this application, the terms "first," "second," etc., are used in the embodiments of this application to distinguish identical or similar items with essentially the same function and effect. Those skilled in the art will understand that the terms "first," "second," etc., do not limit the quantity or execution order, and the terms "first," "second," etc., do not necessarily imply differentness.

[0057] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover non-exclusive inclusion, such that a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or apparatus.

[0058] With the rapid development of smart homes, the operation of washing machines is shifting from traditional mechanical buttons to touch control. TFT screens rely on detecting changes in capacitance to determine touch signals. However, this method suffers from rapid lifespan degradation in practical applications. Prolonged power supply to the washing machine screen can lead to static electricity buildup and liquid crystal polarization. Furthermore, the interface is susceptible to the effects of high temperature and humidity, impacting its performance.

[0059] Based on this, embodiments of this application provide a display screen control method, control device, and washing device, ensuring that the LCD screen can display normally in the washing machine and extending its service life.

[0060] Specifically, the display control method, control device, and washing device provided in this application embodiment at least solve the following problem:

[0061] 1. The washing machine has a standby wake-up function. Long-term power supply causes high wear and tear on the LCD screen interface, making it easy to be damaged. Using a uniform power-off method is not suitable for current systems with multiple detection components.

[0062] 2. The washing and drying cycle of a washing machine takes a long time, and the screen is prone to accumulating static electricity over a long period of time. Static electricity accumulation over a long period of time can damage the touch chip and capacitor module of the LCD screen.

[0063] 3. When an LCD screen is powered on for a long time and the image remains still, liquid crystal polarization is likely to occur, resulting in afterimages or yellowing of the screen due to aging.

[0064] 4. Frequent power supply and power interruption to the LCD screen may damage the interface;

[0065] 5. Infrared detection results are greatly affected by factors such as ambient temperature, humidity, and background radiation, which may lead to misjudgments.

[0066] It can have the following beneficial effects:

[0067] Machine learning is employed to control the power supply and signals of the LCD screen circuitry at specific times, avoiding interface wear caused by frequent screen switching. An auxiliary feedback control circuit detects the washing machine's usage status, dynamically activating the screen display and touch detection, supplementing the control with machine learning. An ultrasonic sensor is added, combined with the washing machine's status and operating cycle, to determine if the washing machine is being operated. This solution, by adding two control circuits and combining machine learning with user habits, periodically disconnects the power to the touchscreen and LCD when the washing machine is idle and periodically turns them on during usage periods, thus preventing unnecessary wear and tear on the screen.

[0068] It has at least one of the following characteristics:

[0069] 1. By using machine learning to learn user habits, the touch and LCD power and signal lines are switched on and off at regular intervals, which reduces the number of times the screen display and touch control circuits are switched on and off compared to real-time detection methods.

[0070] 2. Add ultrasonic sensors and auxiliary circuits to support the peripheral devices of the washing machine's automatic control display and touch switch, and make auxiliary judgments in the early stages of machine learning;

[0071] 3. Add touch protection logic to the washing machine. By controlling the power supply and signal on / off of the washing machine touch module, the power is periodically cut off to release static electricity on the screen, preventing static electricity accumulation from damaging the touch module and extending the service life of the touch module.

[0072] 4. Add screen protection logic to the washing machine. By controlling the power and signal on / off of the washing machine touch module, the power supply and all signal lines of the screen display module are periodically cut off to prevent the screen display module from being in a voltage state for a long time, which may cause problems such as screen polarization and liquid crystal aging, thus extending its service life.

[0073] Next, the display control method provided in this application will be further described, such as... Figure 1 The flowchart shown illustrates a control method for a display screen. The display screen is applied to a washing machine and includes a display module and a touch module. The control method comprises the following steps:

[0074] S10, Obtain the first power outage time interval.

[0075] The first power outage time interval is a preset period within a single cycle, used to control the display screen to lose power within the first power outage time interval. Specifically, when controlling the power outage time of the display screen, the usage time period of the display screen is first determined, that is, the time period during which users frequently need to use the display screen. Based on this, a first power outage time interval is preset, which can be any period of time during which users are unlikely to use the washing equipment, such as 2-4 AM. The single cycle is used to detect the user's usage of the display screen within a cycle length, which can be one day, two days, or one week; this embodiment does not specifically limit this.

[0076] S12. Within a preset interval correction period, if the washing equipment is in use during the first power outage time interval, the power supply of the display module and touch module is controlled according to the operation of the washing equipment and the interaction of the display screen, and the first usage time period is recorded; if the washing equipment is in use outside the first power outage time interval, the second usage time period is recorded.

[0077] The interval correction period includes at least one of the single periods. Specifically, the interval correction period is used to obtain a sufficient amount of first and / or second usage time periods, therefore the length of the interval correction period is longer than the length of the single period. For example, the interval correction period can be 30 days, and the single period can be 1 day or 7 days. Preferably, the single period is 1 day.

[0078] S14. When the actual usage time of the washing equipment reaches the interval correction period, the first usage time period and the second usage time period are processed to obtain the second power outage time interval.

[0079] In one embodiment, after obtaining the second power-off time interval, the display screen can be powered off when the actual time reaches the second power-off time interval during the actual use of the washing equipment.

[0080] During the control of the display screen, the first and second usage time periods are collected within the interval correction cycle. Since both the first and second usage time periods represent the actual usage time of the display screen, the second power-off time interval obtained from these periods aligns with the actual usage of the display screen. This helps control the power outage of the display screen during the second power-off time interval, ensuring normal operation and reducing the lifespan loss caused by frequent power-off switching. Simultaneously, if the washing equipment is in use during the first power-off time interval within the interval correction cycle, the power supply to the display and touch modules is controlled based on their operation and interaction status. This reduces power consumption and extends the lifespan of the display and touch modules, thereby extending the lifespan of the display screen itself.

[0081] Optionally, in one implementation of this embodiment, processing the first usage time period and the second usage time period to obtain the second power outage time interval includes:

[0082] The first and second usage periods are linearly processed, and the first and second usage periods with deviations exceeding a preset deviation threshold are discarded.

[0083] The latest end time of the remaining first and second usage periods is used as the start time of the second power outage time interval, and the earliest start time of usage is used as the end time of the second power outage time interval. Alternatively, a preset first time point after the latest end time of the remaining first and second usage periods is used as the start time of the second power outage time interval, and a preset second time point before the earliest start time of usage is used as the end time of the second power outage time interval.

[0084] In one embodiment, linear processing refers to linearizing the first and second usage time periods. Specifically, the start times of all the first and second usage time periods are coordinated, with the horizontal axis representing the date and the vertical axis representing the start time. This yields numerous coordinate points. Based on these coordinate points, a line segment is determined that conforms to the distribution pattern of most coordinate points, ensuring that most (e.g., 80%) of the coordinate points are on or near this line segment. Then, coordinate points far from this line segment are discarded. Specifically, the deviation threshold can be set according to actual conditions; for example, the deviation threshold could be 50%. Preferably, taking a deviation threshold of 50% as an example, first, the coordinate points closest to the line segment are determined, accounting for 80% or more of all coordinate points. Then, the distance L furthest from the line segment is determined from these coordinate points. Finally, coordinate points whose distance from the line segment exceeds 50%L are discarded. The end time is handled similarly to the start time and will not be elaborated further.

[0085] By using this embodiment, the first and second usage time periods with large deviations are discarded through linear processing, which can improve the accuracy of the obtained second power-off time interval. This allows for the determination of a second power-off time interval that closely matches the actual usage requirements of the display screen, avoiding situations where the display screen is powered on during a power-off due to an inaccurate second power-off time interval, thus increasing the number of power-off switching times on the display screen and extending its service life.

[0086] Optionally, in one implementation of this embodiment, after obtaining the second power outage time interval, the method further includes:

[0087] If the washing device is in use within the second power outage time interval of the single cycle and the number of times exceeds the preset threshold, it will re-enter the interval correction cycle to obtain the first usage time period and / or the second usage time period again, and determine the second power outage time interval based on the obtained first usage time period and / or second usage time.

[0088] In this embodiment, if the washing equipment is in use during the second power outage time interval, it proves that the actual usage time of the washing equipment has changed. At this time, when it re-enters the interval correction cycle, the first usage time period and / or the second usage time period can be determined according to the actual usage time of the washing equipment, thereby correcting the second power outage time interval, ensuring the accuracy of the subsequent power outage time of the display screen, reducing the switching frequency of power outages on the display screen, and extending the service life of the display screen.

[0089] Optionally, in one implementation of this embodiment, controlling the power supply of the display module and touch module based on the operating status of the washing equipment and the interaction status of the display screen includes:

[0090] If the washing equipment is not running, but the display screen is interactive, the power control circuit of the control screen is disconnected to stop supplying power to the display module in the display screen; the power control circuit of the control touch is turned on to supply power to the touch module in the display screen.

[0091] Alternatively, if there is no interaction on the display screen but the washing equipment is running, the touch power control circuit is turned off to stop supplying power to the touch module in the display screen; the display power control circuit is turned on to supply power to the display module in the display screen.

[0092] The first terminal of the aforementioned display power control circuit is connected to the aforementioned display module, and the second terminal is connected to the display module power supply. The aforementioned display module power supply is used to supply power to the aforementioned display module.

[0093] The first end of the aforementioned touch power control circuit is connected to the aforementioned touch module, and the second end is connected to the touch module power supply; the aforementioned touch module power supply is used to supply power to the aforementioned touch module.

[0094] In this embodiment, a display power control circuit can be provided between the processor and the display module power supply. The display power control circuit is connected to the processor's input / output (I / O) pins and is controlled by the processor. The display power control circuit includes a switching device. When the switching device is closed, the display module power supply and the display module are connected, supplying power to the display module. When the switching device is open, the display module power supply and the display module are disconnected, stopping the supply of power to the display module. The switching device can be a transistor or a metal-oxide-semiconductor (MOS) transistor.

[0095] In this embodiment, a touch power control circuit can be provided between the processor and the touch module power supply. The touch power control circuit is connected to the processor's input / output (I / O) pins and is controlled by the processor. The touch power control circuit includes a switching device. When the switching device is closed, the touch module power supply and the touch module are connected, supplying power to the touch module. When the switching device is open, the touch module power supply and the touch module are disconnected, stopping the supply of power to the touch module. The switching device can be a transistor or a metal-oxide-semiconductor (MOS) transistor.

[0096] The above-described technical solution of this application allows the display module and touch module to be powered independently, which helps reduce the power-on time of the display module and touch module, thereby reducing power consumption and extending the service life of the display screen. When the washing equipment is not in use, but the display screen is interactive, the control circuit for the display power supply is disconnected to stop powering the display module. The control circuit for the touch power supply is turned on to power the touch module. This achieves more refined energy saving. When the display screen is not interactive, but the washing equipment is in use, the control circuit for the touch power supply is disconnected to stop powering the touch module. The control circuit for the display power supply is turned on to power the display module. This achieves more refined energy saving. The design ensures that the touch and display functions in the washing equipment do not interfere with each other and are independent, achieving more refined energy saving and improving energy efficiency.

[0097] Optionally, in one implementation of this embodiment, determining that the display screen has no interaction includes: determining that the display screen has no interaction when the duration of the absence of detected screen touch signal and ultrasonic detection signal is greater than or equal to a predetermined time threshold, or when the power button is not pressed.

[0098] In this embodiment, the screen is continuously monitored to detect whether it has been touched. When the screen is touched, a touch signal is generated. No touch signal indicates the screen has not been touched. No ultrasonic detection signal indicates no one is in front of the washing machine. The duration of no touch signal and no ultrasonic detection signal is recorded. If the duration is greater than or equal to a predetermined time threshold, which can be flexibly set (e.g., 5 minutes), the touch power control circuit is disconnected, stopping power supply to the touch module in the display screen and saving energy. The ultrasonic detection signal can be obtained by installing an ultrasonic sensor in the washing machine. Specifically, an ultrasonic detection signal is generated when someone is within the monitoring area of ​​the ultrasonic sensor. Preferably, the ultrasonic sensor is located on one side of the display screen.

[0099] In this embodiment, the power button is not pressed. This can be considered a condition for the display screen to be in an inactive state. Even if the washing machine is plugged in, if the power button is not pressed, it is still considered that the display screen is in an inactive state.

[0100] Therefore, in some embodiments, even if the washing device is detected to be powered on, but the power button is not pressed, the touch power control circuit and the screen display power control circuit are kept in a disconnected state. In this case, the processor receives power and enters the default operating mode, keeping the touch power control circuit and the screen display power control circuit in a default disconnected state. In this situation, neither the display module nor the touch module in the display screen receives power. This helps avoid wasting electrical energy and improves the lifespan of the display screen.

[0101] In this embodiment, when the washing device is initially powered on but before the power button is pressed, the processor enters the default operating mode, and the power control circuits for the touch screen and display are in a disconnected state by default. In this situation, neither the display module nor the touch module in the display screen receives power. This helps avoid energy waste and extends the lifespan of the display screen.

[0102] Using this embodiment, the ultrasonic detection signal is less susceptible to interference from factors such as temperature and humidity, which helps to improve the accuracy of determining whether the display screen is not interactive.

[0103] Optionally, in one implementation of this embodiment, determining that the washing equipment is not operating includes one of the following conditions:

[0104] The washing equipment is in the off mode;

[0105] The power button was not pressed;

[0106] The processor enters low-power mode.

[0107] The washing machine being in power-off mode can be considered as being in a non-use state. The power button not being pressed can also be considered as the washing machine being in a non-use state. The processor entering low-power mode can also be considered as the washing machine being in a non-use state. Of course, any combination of any two of these three conditions, or all three conditions being met, can also be considered as a non-use state.

[0108] Optionally, in one implementation of this embodiment, determining that the washing device is operating includes one of the following conditions:

[0109] The washing equipment is in the power-on mode;

[0110] Press the power button;

[0111] The processor did not enter low-power mode.

[0112] In this embodiment, the washing equipment is in the power-on mode, which can be considered as the washing equipment being in use, and the display module in the display screen can be powered on and displayed.

[0113] In this embodiment, pressing the power button indicates that the washing equipment is in use, and the display module on the control screen can be powered on and displayed.

[0114] For example, even though the washing equipment is in the off mode, in response to the power button being pressed, the power control circuit of the control screen switches from open to closed to initialize the display screen.

[0115] In this embodiment, the processor does not enter the low-power mode, which can be considered as the washing device being in use, and the display module in the display screen can be powered on and displayed.

[0116] For example, even though the washing equipment is in the off mode and the power button is not pressed, the processor does not enter the low-power mode, and the power control circuit of the control screen remains closed to continuously supply power to the display module in the control screen.

[0117] Of course, any combination of any two of the above three conditions, or all three conditions being met, can confirm that the washing equipment is in use.

[0118] Optionally, in one implementation of this embodiment, determining that the display screen has interaction includes at least one of the following:

[0119] Screen touch signal detected;

[0120] An ultrasonic detection signal was detected.

[0121] The control device provided in this application embodiment applies the control method of the first aspect, and the control device includes:

[0122] A display power control circuit, wherein the first end of the display power control circuit is connected to the display module, and the second end is connected to the power supply of the display module;

[0123] The display module power supply is used to supply power to the display module;

[0124] A touch power control circuit, wherein the first end of the touch power control circuit is connected to the touch module, and the second end is connected to the touch module power supply.

[0125] The touch module power supply is used to power the touch module;

[0126] The controller is used to control the power supply of the display module and the touch module according to the operation of the washing equipment and the interaction of the display screen.

[0127] The washing equipment provided in this application includes the control equipment described above.

[0128] Optionally, in one implementation of this application embodiment, the touch power control circuit and the screen display power control circuit are respectively provided with controlled switching components. The control terminal of the controlled switching component is connected to the processor, and the controlled switching component is turned on or off under the control of the processor. The output terminal of the controlled switching component is connected to the touch module or the display module.

[0129] Specifically, the washing equipment proposed in this application includes an electronic device, and further includes an infrared sensor, a touch module, a display module, a touch power control circuit, and a screen display power control circuit connected to the processor in the electronic device. The touch module and display module are located within the display screen. The screen display power control circuit is connected to the screen display power supply. The touch power control circuit is connected to the touch power supply.

[0130] The screen display power control circuit is connected to the screen display power supply and is used to control the power supply to and from the display module.

[0131] The touch power control circuit is connected to the touch power supply and is used to control the power supply to the touch module.

[0132] In some embodiments, the touch power control circuit and the display power control circuit are respectively provided with controlled switching components. The control terminal of the controlled switching component is connected to the processor. The controlled switching component is turned on or off under the control of the processor. The output terminal of the controlled switching component is connected to the touch module or the display module.

[0133] In some embodiments, see Appendix Figure 2The controlled switching component mentioned above is transistor Q1. The controlled terminal of transistor Q1, i.e., the base, is connected to the first terminal of the first resistor R1. The second terminal of the first resistor R1 is connected to the processor. The collector of transistor Q1 is connected to the first terminal of the second resistor R2. The second terminal of the second resistor R2 is connected to the power supply VC. Here, the power supply VC can be the touch power supply or the display power supply. The collector serves as the output terminal, outputting voltage V0 to an external load, which can be the touch module or the display module in the display screen.

[0134] When the processor sends a high level to transistor Q1, transistor Q1 is turned on under control. In this state, the load connected to the output terminal is connected to the power supply.

[0135] When the processor sends a low level to transistor Q1, transistor Q1 is turned off under control. In this state, the load connected to the output terminal is disconnected from the power supply.

[0136] In one specific implementation of this application embodiment, the display screen control method, control device, and washing device include the following:

[0137] like Figure 2-7 As shown, taking a washing machine as an example, see... Figure 2 The washing machine's control module is responsible for learning user usage time, performing auxiliary logic judgments, acquiring sensor data, and controlling peripheral circuits. The on / off control of the LCD screen circuit is handled by... Figure 3 and Figure 4 Logical judgments are used for control. Figure 5 and Figure 6 This feature is only effective when the LCD screen is powered off. The detection component primarily consists of an ultrasonic sensor, installed on the side of the washing machine's touchscreen, used to detect if a user is approaching. The peripheral circuitry mainly includes a touchscreen power control circuit and a screen display power control circuit, responsible for controlling the power supply to the touchscreen and screen display.

[0138] After the washing machine is connected to the power supply, the controller supplies power to the main chip, and the main chip enters the default working mode. The touch power control circuit and the screen display power control circuit turn on and off at set time intervals.

[0139] Figure 7 This is a schematic diagram of an embodiment of the present invention. As shown, an ultrasonic sensor is installed on the side of the washing machine's display screen to detect whether someone is approaching the control panel. A display power switch circuit (controlled by the main chip's IO pins) is added between the display screen's FPC interface and the main chip, and a touch power switch circuit (controlled by the main chip's IO pins) is added between the touch FPC interface and the main chip. (For example, the switch circuit uses a transistor as the main component for control; the control terminal is connected to the main chip's IO pins. When the IO pin's high or low level changes, the transistor's output voltage can be adjusted.)

[0140] Figure 3 The control flow diagram for machine learning in an embodiment of the present invention is shown in the figure.

[0141] This flowchart illustrates the initial steps of machine learning.

[0142] S101 sets the initial disconnection time period of the LCD screen circuit (including touch and display control circuit) to 2:00-4:00 AM, and the machine learning cycle to 30 days;

[0143] S102 Check at a fixed time every day (0:00 AM in this example) whether the machine learning cycle has been reached. If 30 days have been reached, proceed to S106; otherwise, proceed to step S103.

[0144] S103 Detects whether the user is using the washing machine while the LCD screen circuit is off by using the ultrasonic sensor and the switch button. If the user is using it, execute the auxiliary circuit control logic flow S104; otherwise, execute S105.

[0145] The S104 auxiliary circuit control logic flow is divided into display auxiliary control and touch auxiliary control. Figure 5 and Figure 6 Provide an explanation;

[0146] S105 records user usage time and generates usage time period data;

[0147] S106 Extract the start time and end time of use, use linear programming to analyze the data, exclude data with a deviation >50%, and obtain the earliest start time and latest end time of use for the user.

[0148] S107 adjusts the LCD screen circuit disconnect time to 30 minutes after the user's end time and the connection time to 30 minutes before the user's start time.

[0149] Figure 4 The figure shows the control flow diagram after machine learning is completed according to an embodiment of the present invention.

[0150] This flowchart illustrates the process after the initial machine learning is completed.

[0151] S201 Detects whether the user is using the washing machine while the LCD screen circuit is off using the ultrasonic sensor and the switch button. If the user is using it, execute the auxiliary circuit control logic flow S202; otherwise, execute S203.

[0152] The S202 auxiliary circuit control logic flow is divided into display auxiliary control and touch auxiliary control. Figure 5 and Figure 6 Provide an explanation;

[0153] S203 At a fixed time each day (0:00 AM in this example), check whether the user has used the washing machine more than 5 times within the set time period. If not, exit the check; if 5 times, execute S204.

[0154] S204 determines that user habits have changed, resets the machine learning cycle to 30 days, clears the user's usage count within the set time period, and re-executes. Figure 3 Process S102 steps.

[0155] Figure 5 The flowchart of the display power supply circuit control according to an embodiment of the present invention is shown in the figure.

[0156] S301 After the washing machine is powered on, the controller supplies power to the main chip, and the main chip enters the default working mode. The touch power control circuit and the screen display power control circuit are turned off by default. The system checks whether the washing machine is powered on, i.e., not in low-power mode. If it is powered on, proceed to S302; otherwise, proceed to step S303 for further judgment.

[0157] In this embodiment, after the washing machine is powered on, the controller supplies power to the processor, and the processor enters the default operating mode. The touch power control circuit and the screen display power control circuit are turned off by default. This is the power-on state, i.e., the non-low-power mode state.

[0158] S302 keeps the display power circuit on and continuously supplies power to the display module;

[0159] In this embodiment, the display power control circuit remains on, continuously supplying power to the display module.

[0160] S303 Detects whether the user has pressed the power button. If the user has pressed the power button, proceed to S304. Otherwise, proceed to step S305 for further judgment.

[0161] S304 activates the display power circuit and executes the screen module initialization code.

[0162] In this embodiment, when the screen display power control circuit is turned on, the screen module initialization code is executed during initialization.

[0163] S305 determines whether the washing machine is about to enter a low-power state through logic. If the washing machine is in a low-power state, S307 is executed; otherwise, step S306 is executed.

[0164] In this embodiment, the processor's operating modes include a normal operating mode and a low-power operating mode. Upon entering low-power mode, the processor changes its operating frequency and disables the detection and output of certain peripherals. This can be determined by reading the processor's status through a program, or by whether the processor outputs a certain signal.

[0165] S306 keeps the screen display power circuit on and continuously detects whether the washing machine is about to enter a low power consumption state.

[0166] In this embodiment, the screen display power control circuit remains on, continuously supplying power to the display module, allowing the display module to operate continuously.

[0167] S307 shuts down the display power circuit, cutting off the power and signal circuits of the display module, and the display module stops working.

[0168] In some embodiments, the above method may further include the following steps: when the display screen is in an interactive state, control the touch power control circuit to close to supply power to the touch module in the display screen.

[0169] In this embodiment, when the display screen is in an interactive state, it is necessary to use the touch module in the display screen. In this case, it is necessary to control the touch power control circuit to close to supply power to the touch module in the display screen.

[0170] In some embodiments, determining that the display screen has an interactive state includes at least one of the following: detecting a screen touch signal; detecting an ultrasonic detection signal.

[0171] In this embodiment, detecting a screen touch signal can be considered as the display screen being in an interactive state.

[0172] The touch module in the display screen can generate a screen touch signal when the screen is pressed. The processor determines that the display screen has an interactive state based on the received screen touch signal, and then controls the power supply to the touch module in the display screen.

[0173] In this embodiment, detecting an ultrasonic detection signal can be considered as the display screen being in an interactive state.

[0174] An infrared sensor can be installed on the side of the washing machine's touchscreen to detect if a user is approaching the control panel. When a user is detected, an ultrasonic detection signal is sent to the processor. The processor determines that the display screen is interactive based on the received ultrasonic detection signal and then controls the power supply to the touch module in the display screen.

[0175] In this embodiment, if both a screen touch signal and an ultrasonic detection signal are detected, it can be determined that the display screen is in an interactive state. Power is then supplied to the touch module in the display screen.

[0176] Figure 6 The flowchart of the touch power supply circuit control according to an embodiment of the present invention is shown in the figure.

[0177] S401 Detect whether the screen returns a touch signal. If there is a signal, proceed to step S403; otherwise, proceed to step S202.

[0178] S402 Detect whether the ultrasonic sensor has a signal of user approach; if there is a signal, proceed to step S403, otherwise proceed to step S406.

[0179] S403 Determine whether the touch power circuit is currently in the on state. If it is not on, proceed to step S405; otherwise, proceed to step S404.

[0180] S404 Keeps the touch power circuit currently on;

[0181] In this embodiment, the touch module can be continuously powered while the touch power control circuit remains closed.

[0182] S405 activates the touch power circuit and executes the touch module initialization code.

[0183] In this embodiment, the touch power control circuit is turned on so that the touch module can be connected to the touch power supply to enable power supply and execute the touch module initialization code.

[0184] S406 maintains the current state of the touch power circuit; if it is on, it remains on; if it is off, it remains off.

[0185] S407 Continue executing step S401 for five minutes; if a screen touch signal or ultrasonic sensor signal is detected within five minutes, proceed according to the process until the signal ends and the five-minute countdown restarts; otherwise, execute step S408.

[0186] S408 shuts down the touch power circuit, cutting off the power and signal circuits of the touch module, and the touch module stops working.

[0187] In this embodiment, the touch power control circuit is disconnected to power off the touch module.

[0188] The technical solution of this application adds two power control circuits to dynamically shut down the screen display and touch detection by detecting the washing machine's status, thus performing electrostatic discharge and screen protection. By using an infrared sensor combined with the washing machine's status and process flow, it determines whether the washing machine is being operated. The two power control circuits, combined with the processor's low-power mode, disconnect the power to the touch detection when the washing machine is idle and disconnect the power to the screen display when the machine is turned off, preventing the screen's lifespan from being wasted. An infrared sensor and auxiliary circuitry are added to support the washing machine's automatic control of the screen display and touch switch peripherals. Touch protection logic is added to the washing machine, conditionally controlling the power and signal on / off of the touch module, periodically powering off to release static electricity from the screen, preventing static buildup from damaging the touch module and extending its lifespan. Screen protection logic is also added to the washing machine, conditionally controlling the power and signal on / off of the touch module, periodically cutting off the display module's power, preventing screen polarization and liquid crystal aging caused by prolonged voltage exposure, thus extending its lifespan.

[0189] In one embodiment, other detection methods can be used instead of ultrasonic sensors to detect a user's approach.

[0190] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0191] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0192] In the embodiments provided in this application, it should be understood that the disclosed devices / terminal equipment and methods can be implemented in other ways. For example, the device / terminal equipment embodiments described above are merely illustrative. For instance, the division of modules or units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interfaces; the indirect coupling or communication connection between devices or units may be electrical, mechanical, or other forms.

[0193] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0194] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0195] If the integrated module / unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, all or part of the processes in the methods of the above embodiments can also be implemented by a computer program instructing related hardware. The computer program can be stored in a computer-readable storage medium, and when executed by a processor, it can implement the steps of the various method embodiments described above. The computer program includes computer program code, which can be in the form of source code, object code, executable files, or certain intermediate forms. The computer-readable medium can include: any entity or device capable of carrying the computer program code, a recording medium, a USB flash drive, a portable hard drive, a magnetic disk, an optical disk, a computer memory, a read-only memory (ROM), a random access memory (RAM), an electrical carrier signal, a telecommunication signal, and a software distribution medium, etc.

[0196] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.

Claims

1. A method for controlling a display screen, characterized in that, The display screen is used in a washing device, and the display screen includes a display module and a touch module. The method includes: Obtain a first power outage time interval, wherein the first power outage time interval is a period of time within a preset single cycle, used to control the display screen to lose power within the first power outage time interval; Within a preset interval correction period, if the washing equipment is in use during the first power outage time interval, the power supply of the display module and touch module is controlled according to the operation of the washing equipment and the interaction of the display screen, and the first usage time period is recorded; if the washing equipment is in use outside the first power outage time interval, the second usage time period is recorded; wherein, the interval correction period includes at least one of the single periods. When the actual usage time of the washing equipment reaches the interval correction period, the first usage time period and the second usage time period are processed to obtain the second power-off time interval, so as to control the display screen to cut off power within the second power-off time interval.

2. The display control method as described in claim 1, characterized in that, The process of processing the first and second usage time periods to obtain the second power outage time interval includes: The first and second usage periods are linearly processed, and the first and second usage periods with deviations exceeding a preset deviation threshold are discarded. The latest end time of the remaining first and second usage periods is used as the start time of the second power outage time interval, and the earliest start time of usage is used as the end time of the second power outage time interval. Alternatively, a preset first time point after the latest end time of the remaining first and second usage periods is used as the start time of the second power outage time interval, and a preset second time point before the earliest start time of usage is used as the end time of the second power outage time interval.

3. The display control method as described in claim 1, characterized in that, After obtaining the second power outage time interval, the method further includes: If the washing device is in use within the second power outage time interval of the single cycle and the number of times exceeds the preset threshold, it will re-enter the interval correction cycle to obtain the first usage time period and / or the second usage time period again, and determine the second power outage time interval based on the obtained first usage time period and / or second usage time.

4. The display screen control method as described in claim 1, characterized in that, The step of controlling the power supply of the display module and touch module based on the operating status of the washing equipment and the interaction status of the display screen includes: If the washing equipment is not running, but the display screen is interactive, the power control circuit of the control screen is disconnected to stop supplying power to the display module in the display screen; the power control circuit of the control touch is turned on to supply power to the touch module in the display screen. Alternatively, if there is no interaction on the display screen but the washing equipment is running, the touch power control circuit is disconnected to stop supplying power to the touch module in the display screen; the display power control circuit is turned on to supply power to the display module in the display screen. The first end of the screen display power control circuit is connected to the display module, and the second end is connected to the display module power supply. The display module power supply is used to supply power to the display module; The first end of the touch power control circuit is connected to the touch module, and the second end is connected to the touch module power supply. The touch module power supply is used to power the touch module.

5. The display control method as described in claim 4, characterized in that, Determining that the display screen is not interactive includes: when the duration of no detected screen touch signal and ultrasonic detection signal is greater than or equal to a predetermined time threshold, or when the power button is not pressed.

6. The display control method as described in claim 4, characterized in that, The washing equipment is determined to be not in operation under one of the following conditions: The washing equipment is in the off mode; The power button was not pressed; The processor enters low-power mode.

7. The display control method as described in claim 4, characterized in that, The operation of the washing equipment is determined to include one of the following conditions: The washing equipment is in the power-on mode; Press the power button; The processor did not enter low-power mode.

8. The display control method as described in claim 4, characterized in that, The display screen is confirmed to be interactive, including at least one of the following: Screen touch signal detected; An ultrasonic detection signal was detected.

9. A control device applying the display screen control method according to any one of claims 1-8, characterized in that, The control device includes: A display power control circuit, wherein the first end of the display power control circuit is connected to the display module, and the second end is connected to the power supply of the display module; The display module power supply is used to supply power to the display module; A touch power control circuit, wherein the first end of the touch power control circuit is connected to the touch module, and the second end is connected to the touch module power supply. The touch module power supply is used to power the touch module; The controller is used to control the power supply of the display module and the touch module according to the operation of the washing equipment and the interaction of the display screen.

10. A washing device, characterized in that, Includes the control device as described in claim 9.

11. The washing apparatus as described in claim 10, characterized in that, The touch power control circuit and the screen display power control circuit are respectively equipped with controlled switch components. The control terminal of the controlled switch component is connected to the processor, and the controlled switch component is turned on or off under the control of the processor. The output terminal of the controlled switch component is connected to the touch module or the display module.

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