Washing machine control method, apparatus, washing machine, and computer-readable storage medium

Abstract

This application discloses a washing machine control method, device, washing machine, and computer-readable storage medium, belonging to the field of washing machine technology. The method includes: acquiring identification result information of heat-sensitive clothing among the laundry to be washed; determining a safe upper temperature limit for heat-sensitive clothing based on the identification result information; determining a target heating temperature for the washing process based on a target set temperature and the safe upper temperature limit; and controlling the washing machine to wash the laundry based on the target heating temperature. This application determines the safe upper temperature limit by acquiring the identification result of heat-sensitive clothing and dynamically generates the target heating temperature by combining it with the user-set temperature. This allows the target heating temperature to adaptively determine the actual heat resistance characteristics of the clothing in the drum, thereby avoiding damage to heat-sensitive clothing due to improper user mode selection and achieving more precise and safer heating control.

Description

Technical Field

[0001] This application relates to the field of washing machine technology, specifically to a washing machine control method, apparatus, washing machine, and computer-readable storage medium. Background Technology

[0002] Current washing machines typically execute a fixed heating temperature curve according to the user-selected washing mode during washing. When the mixed load contains heat-sensitive clothing such as wool and silk, if the user selects the regular high-temperature mode, the heat-sensitive clothing may be damaged; if the user selects the low-temperature protection mode, the ordinary clothes will not be cleaned effectively due to the excessively low water temperature. Summary of the Invention

[0003] This application provides a washing machine control method, device, washing machine, and computer-readable storage medium, which can automatically determine and execute an appropriate heating temperature based on the heat-sensitive properties of the clothes to be washed, so as to avoid heat damage to clothes or inaccurate washing and care due to improper user mode selection.

[0004] In a first aspect, embodiments of this application provide a washing machine control method, including: Obtain the identification results of heat-sensitive clothing among the laundry to be washed; Based on the identification results, the upper limit of the safe temperature for the heat-sensitive clothing is determined; The target heating temperature for the washing process is determined based on the target set temperature and the upper limit of the safe temperature. Based on the target heating temperature, the washing machine is controlled to wash the clothes to be washed.

[0005] In one embodiment, controlling the washing machine to wash the clothes to be washed based on the target heating temperature includes: Obtain the reference temperature and reference heat preservation time corresponding to the target washing program; When the target heating temperature is lower than the reference temperature, the reference heat preservation time is compensated for based on the target heating temperature and the reference heat preservation time to obtain a first heat preservation time; Based on the target heating temperature and the first heat preservation time, the washing machine is controlled to wash the clothes to be washed.

[0006] In one embodiment, controlling the washing machine to wash the clothes to be washed based on the target heating temperature and the first heat preservation time includes: When the first heat preservation time exceeds the maximum allowable washing time, the maximum allowable mechanical strength for the heat-sensitive clothing is determined based on the identification result information of the heat-sensitive clothing. The second heat preservation time is determined based on the maximum permissible mechanical strength, the first heat preservation time, and the reference permissible mechanical strength corresponding to the target washing program; When the second heat preservation time is greater than the maximum allowable washing time, the washing machine is controlled to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength and the maximum allowable washing time; When the second heat preservation time is less than or equal to the maximum allowable washing time, the washing machine is controlled to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength and the second heat preservation time.

[0007] In one embodiment, after determining the target heating temperature for the washing process based on the target set temperature and the upper limit of the safe temperature, the method further includes: The initial water temperature is obtained, and based on the identification result information, the maximum allowable rate of temperature rise of the heat-sensitive clothing is determined; Based on the initial water temperature, the target heating temperature, and the maximum allowable heating rate, a temperature set curve is generated that linearly increases from the initial water temperature to the target heating temperature. Based on the temperature setting curve, the heater is controlled to heat the water at a rate not exceeding the maximum allowable heating rate until the actual water temperature reaches the target heating temperature.

[0008] In one embodiment, the method further includes: Based on the current mechanical strength and current water temperature at the current moment, determine the equivalent cleaning contribution rate at the current moment; Integrate the equivalent cleaning contribution rate over time to obtain the cumulative equivalent cleaning time from the start of washing to the current moment; Based on the reference heat preservation time and reference allowable mechanical strength corresponding to the target washing program, the benchmark equivalent washing time is determined. When the cumulative equivalent washing time is greater than or equal to the baseline equivalent washing time, the washing machine is controlled to end the washing cycle.

[0009] In one embodiment, the identification result information includes the heat sensitivity level of the heat-sensitive clothing; The step of determining the upper limit of the safe temperature for the heat-sensitive clothing based on the identification result information includes: Based on the heat sensitivity level and the preset level mapping relationship, the upper limit of the safe temperature for the heat-sensitive clothing is determined; the level mapping relationship is used to characterize the correspondence between the heat sensitivity level and the upper limit of the safe temperature.

[0010] In one embodiment, determining the target heating temperature for the washing process based on the target set temperature and the upper limit of the safe temperature includes: Get the maximum allowed temperature for the current washing stage; The minimum value among the upper limit of the stage temperature, the target set temperature, and the upper limit of the safe temperature is determined as the target heating temperature.

[0011] Secondly, embodiments of this application provide a washing machine control device, the device comprising: The information acquisition module is used to acquire the identification results of heat-sensitive clothing among the clothes to be washed; The first determining module is used to determine the upper limit of the safe temperature for the heat-sensitive clothing based on the identification result information. The second determining module is used to determine the target heating temperature of the washing process based on the target set temperature and the upper limit of the safe temperature; The washing control module is used to control the washing machine to wash the clothes to be washed based on the target heating temperature.

[0012] In one embodiment, the washing control module includes: The reference information acquisition submodule is used to acquire the reference temperature and reference heat preservation time corresponding to the target washing program. The time compensation submodule is used to perform time compensation on the reference heat preservation time based on the target heating temperature and the reference heat preservation time when the target heating temperature is lower than the reference temperature, so as to obtain a first heat preservation time. The washing control submodule is used to control the washing machine to wash the clothes to be washed based on the target heating temperature and the first heat preservation time.

[0013] In one embodiment, the washing control submodule includes: The mechanical strength determination unit is used to determine the maximum permissible mechanical strength for the heat-sensitive clothing based on the identification result information of the heat-sensitive clothing when the first heat preservation time is greater than the maximum permissible washing time. The heat preservation time determination unit is used to determine the second heat preservation time based on the maximum allowable mechanical strength, the first heat preservation time, and the reference allowable mechanical strength corresponding to the target washing program; A first washing control unit is configured to control the washing machine to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength, and the maximum allowable washing time when the second heat preservation time exceeds the maximum allowable washing time. The second washing control unit is used to control the washing machine to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength, and the second washing time when the second heat preservation time is less than or equal to the maximum allowable washing time.

[0014] In one embodiment, the washing machine control device further includes: A rate determination module is used to acquire the initial water temperature and, based on the identification result information, determine the maximum allowable rate of temperature rise of the heat-sensitive clothing. The curve generation module is used to generate a temperature setting curve that linearly rises from the initial water temperature to the target heating temperature based on the initial water temperature, the target heating temperature, and the maximum allowable heating rate. The heating control module is used to control the heater to heat the water based on the temperature setting curve, so that the actual water temperature rises at a rate not exceeding the maximum allowable heating rate, until the actual water temperature reaches the target heating temperature.

[0015] In one embodiment, the washing machine control device further includes: The contribution rate determination module is used to determine the equivalent cleaning contribution rate at the current moment based on the current mechanical strength and current water temperature. The time integration module is used to integrate the equivalent cleaning contribution rate over time to obtain the cumulative equivalent cleaning time from the start of washing to the current moment. The duration determination module is used to determine the benchmark equivalent washing time based on the reference heat preservation time and reference allowable mechanical strength corresponding to the target washing program. The washing end module is used to control the washing machine to end the washing process when the cumulative equivalent washing time is greater than or equal to the baseline equivalent washing time.

[0016] In one embodiment, the identification result information includes the heat sensitivity level of the heat-sensitive clothing; the first determining module includes: The grade mapping submodule is used to determine the upper limit of the safe temperature for the heat-sensitive clothing based on the heat sensitivity grade and the preset grade mapping relationship; the grade mapping relationship is used to characterize the correspondence between the heat sensitivity grade and the upper limit of the safe temperature.

[0017] In one embodiment, the second determining module includes: The temperature acquisition submodule is used to obtain the upper limit of the allowed temperature for the current washing stage; The temperature determination submodule is used to determine the minimum value among the stage temperature upper limit, the target set temperature, and the safety temperature upper limit as the target heating temperature.

[0018] Thirdly, embodiments of this application also provide a washing machine, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, it implements the steps in the washing machine control method described above.

[0019] Fourthly, embodiments of this application also provide a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the steps in the washing machine control method described above.

[0020] Fifthly, embodiments of this application also provide a computer program product or computer program, which includes computer instructions stored in a computer-readable storage medium. A processor of a computer device reads the computer instructions from the computer-readable storage medium and executes the computer instructions, causing the computer device to perform the methods provided in the various optional implementations described in the embodiments of this application.

[0021] In summary, this embodiment of the application can obtain the identification result information of heat-sensitive clothing in the laundry, and determine the upper limit of the safe temperature for heat-sensitive clothing based on the identification result information; then, based on the target set temperature and the upper limit of the safe temperature, determine the target heating temperature of the washing process; finally, based on the target heating temperature, control the washing machine to wash the laundry. This embodiment of the application determines the upper limit of the safe temperature by obtaining the identification result of heat-sensitive clothing, and dynamically generates the target heating temperature in combination with the user-set temperature, so that the target heating temperature can adaptively decide according to the actual heat resistance characteristics of the clothes in the drum, thereby avoiding damage to heat-sensitive clothing due to improper user mode selection, and achieving more accurate and safer heating control. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic flowchart of a washing machine control method provided in an embodiment of this application; Figure 2 This is a schematic diagram of the structure of a washing machine provided in one embodiment of this application; Figure 3 This is a schematic diagram of a specific embodiment of controlling a washing machine to perform heated washing, provided in an embodiment of this application; Figure 4This is a schematic diagram of another specific embodiment of controlling a washing machine to perform heated washing, provided in one embodiment of this application; Figure 5 This is a schematic diagram of a specific embodiment of the washing machine control method provided in this application; Figure 6 This is a schematic diagram of another specific embodiment of the washing machine control method provided in one embodiment of this application; Figure 7 This is a schematic diagram of the structure of a washing machine control device provided in an embodiment of this application; Figure 8 This is another structural schematic diagram of a washing machine provided in one embodiment of this application. Detailed Implementation

[0024] The technical solutions of this application will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0025] It's important to note that current front-loading washing machines generally employ a "fixed mode, fixed temperature" strategy for heating and washing control. Specifically, the washing machine has multiple preset washing modes (such as cotton / linen wash, wool wash, and synthetic fiber wash), each corresponding to a complete and fixed set of operating parameters, with heating temperature being one of the core parameters. Users manually select a mode based on the type of laundry, or the system recommends one. The controller then executes heating control according to the preset target temperature for that mode, maintaining a closed-loop temperature control throughout the entire washing cycle.

[0026] The above control methods are acceptable in single-material load scenarios, but they reveal significant shortcomings in the common mixed-load washing scenarios in households. For example, when a user washes a wool sweater and several cotton T-shirts at the same time, they face a dilemma: if they choose the "cotton and linen wash" mode (usually preset to a high temperature of 60℃ or higher), the wool sweater is prone to irreversible heat damage such as felting and hardening at high temperatures; if they choose the "wool wash" mode (usually preset to a low temperature of 30℃), the sebum, oil, and other stains on the cotton clothing are difficult to emulsify and decompose effectively due to the low temperature, resulting in a significant decrease in the washing efficiency.

[0027] To address the current problem of washing machines struggling to automatically adjust heating temperatures, this application aims to provide a washing machine control method. This method determines the upper limit of a safe temperature by acquiring the identification results of heat-sensitive clothing and dynamically generates a target heating temperature based on the user-set temperature. This allows the target heating temperature to adaptively determine the actual heat resistance characteristics of the clothing in the drum, thereby preventing heat-sensitive clothing from being damaged by high temperatures due to improper user mode selection and achieving more precise and safer heating control.

[0028] The following sections provide detailed descriptions of each example. It should be noted that the order in which the embodiments are described is not intended to limit the priority of the embodiments.

[0029] Figure 1 The illustration shows a schematic flowchart of a washing machine control method according to an embodiment of this application. The executing entity of this washing machine control method can be a washing machine control device, which can be integrated into any electronic device with data processing, network communication, and program execution functions. This electronic device can be a server or a terminal, etc.

[0030] The server can be a standalone physical server, a server cluster or distributed system composed of multiple physical servers, or a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communication, middleware services, domain name services, security services, network acceleration services (Content Delivery Network, CDN), as well as big data and artificial intelligence platforms.

[0031] The terminal can be a washing machine or other terminals that are communicatively connected to the washing machine, such as mobile phones, tablets, laptops, desktop computers, smart home devices, wearable smart devices, and in-vehicle computers, but is not limited thereto. The terminal and the server can be directly or indirectly connected via wired or wireless communication, and this application does not impose any restrictions on this.

[0032] In this embodiment, the description will be from the perspective of a washing machine control device, which can be integrated into a server or terminal. To facilitate the explanation of the washing machine control method of this application, the following will describe the washing machine control device integrated into the washing machine in detail, that is, the washing machine will be used as the execution subject in the detailed explanation.

[0033] Reference Figure 2The diagram shows the structure of a washing machine. The washing machine may include a control panel 101, a dispensing box 102, a door / observation window 103, an inner drum 104, an outer drum 105, a heater 106, a water temperature sensor 107, a water level sensor 108, a drive motor 109, a drain pump 110, a water inlet valve 111, a controller 112, an image acquisition unit 113, a supplementary lighting unit 114, and a door lock assembly 115.

[0034] The control panel 101 is located on the upper front side of the washing machine body. It is used to receive user input of washing programs, target temperature settings, and additional function selection information, and to display the current operating status, identification status, and alarm information. The detergent dispenser 102 is located on the upper front side of the machine body and is used to dispense detergent and conditioner. The door / observation window 103 is located in the middle of the front side of the machine body and corresponds to the front opening of the outer tub 105. It is used to load and observe clothes. The inner tub 104 is rotatably disposed inside the outer tub 105 and is used to hold clothes to be washed. The drive motor 109 is connected to the inner tub 104 and is used to drive the washing and spin-drying rotation.

[0035] A heater 106 is located at the lower part of the outer tub 105 or near the bottom of the outer tub to heat the washing water; a water temperature sensor 107 is located at the lower part of the outer tub 105, near the heater, or in the circulating water circuit to detect the current washing water temperature; a water level sensor 108 is connected to the outer tub 105 to detect the water level inside the tub; a water inlet valve 111 is connected to an external water supply passage to control water inlet; and a drain pump 110 is connected to a drain passage to control drainage. An image acquisition unit 113 is located above the door ring or near the door to acquire images of the clothes inside the tub; a supplementary lighting unit 114 is located near the image acquisition unit 113 to provide auxiliary lighting in low-light environments; and a door lock assembly 115 is used to lock the door during the washing and heating stages and output a door lock status signal.

[0036] The controller 112 is electrically or communicatively connected to the heater 106, water temperature sensor 107, water level sensor 108, drive motor 109, drain pump 110, water inlet valve 111, image acquisition unit 113, supplementary lighting unit 114 and door lock assembly 115, respectively, to receive sensing information and output corresponding control commands.

[0037] Continue to refer to Figure 1 The diagram shows a flow chart of a washing machine control method according to this application, which can be applied to the aforementioned washing machine. The method specifically includes steps S101 to S104, as follows: S101: Obtain the identification result information of heat-sensitive clothing among the clothes to be washed.

[0038] In this embodiment, heat-sensitive clothing refers to clothing that is sensitive to temperature during washing and is prone to irreversible damage such as shrinkage, felting, deformation, fading, and decreased fiber performance when the water temperature exceeds a certain threshold. For example, heat-sensitive clothing may specifically include at least one of wool fabrics, silk fabrics, and functional coated fabrics.

[0039] In one implementation, the identification result information can be obtained through a radio frequency identification (RFID) reader. The electronic tag on the clothing stores material information and heat resistance temperature range, and the washing machine automatically reads this information and aggregates it to generate the identification result when loading the clothes.

[0040] In another implementation, the identification result information can also be obtained through manual input by the user. For example, a "heat-sensitive clothing" button is set on the washing machine control panel. If the user confirms that there are wool or silk clothes in the drum before starting the wash, they can press the button, and the controller will directly receive the identification result information that "heat-sensitive clothing is present".

[0041] In another implementation, the identification result information can also be obtained by: acquiring an image of the clothes to be washed; identifying the image to obtain the identification result information of heat-sensitive clothing in the clothes to be washed; the identification result information includes the heat sensitivity level of the heat-sensitive clothing.

[0042] In this embodiment, after the washing machine door is closed, the controller sends a start command to the image acquisition unit and simultaneously triggers the supplementary lighting unit to provide instantaneous illumination. The image acquisition unit captures one or more images of the clothes inside the drum at a preset resolution (e.g., 1920×1080 pixels) and frame rate (e.g., 1 frame / second).

[0043] In this embodiment, considering that clothing may be piled up or obstructed inside the drum, and a single image may not be able to cover all the features of the clothing, the controller can control the inner drum to rotate at a very low speed (e.g., 10-20 rpm) driven by the drive motor, so that the clothing inside the drum gradually unfolds and disperses under the action of gravity. During the rotation, the image acquisition unit continuously acquires multiple frames of images, thereby obtaining images of clothing from different angles and in different distribution states, improving the coverage and accuracy of subsequent recognition.

[0044] In this embodiment, after acquiring the image, the controller can perform preprocessing on the image, including image cropping, brightness equalization, noise suppression, and normalization, to obtain target image information. The preprocessed image is then input into a preset recognition model, which outputs recognition result information. This recognition result information characterizes whether heat-sensitive clothing exists in the laundry and its degree of sensitivity. The recognition result information can be a binary "presence / absence" judgment or a quantified heat sensitivity level (e.g., level 0, level 1, level 2, level 3).

[0045] In this embodiment, the recognition model is trained with a large number of labeled samples and can perform multi-label classification of clothing in the image, output multiple detection boxes and their corresponding clothing categories, and then use the highest thermal sensitivity level in all detection boxes as the overall thermal sensitivity level of the clothing in the bucket.

[0046] S102: Based on the identification results, determine the upper limit of the safe temperature for heat-sensitive clothing.

[0047] In this embodiment, the upper limit of safe temperature refers to the highest temperature value that the washing water temperature is allowed to reach while ensuring that heat-sensitive clothing is not damaged by heat.

[0048] In this embodiment, the identification result information may specifically include the clothing category of heat-sensitive clothing. The controller of the washing machine pre-stores a temperature mapping relationship, which is used to characterize the correspondence between the clothing category of heat-sensitive clothing and the upper limit of safe temperature.

[0049] In this embodiment, the washing machine can determine the upper limit of the safe temperature for heat-sensitive clothing based on the clothing category and temperature mapping relationship. For example, when the clothing category of heat-sensitive clothing is identified as wool clothing, its upper limit of safe temperature can be set to 40°C; when the clothing category of heat-sensitive clothing is identified as silk clothing, its upper limit of safe temperature can be set to 30°C.

[0050] In this embodiment, the specific value of the temperature mapping relationship can be obtained through experimental calibration: for any clothing category, obtain a sample of heat-sensitive clothing of that category, conduct standard washing cycle tests at different temperatures, observe the critical temperature at which the clothing shows obvious damage (such as area shrinkage exceeding 5%, color fastness decreasing by more than 1 grade, fiber breaking strength decreasing by more than 10%, etc.), and subtract a certain safety margin (e.g., 5°C) from the critical temperature to obtain the upper limit of the safe temperature.

[0051] S103: Determine the target heating temperature for the washing process based on the target set temperature and the upper limit of the safe temperature.

[0052] In this embodiment, the target set temperature refers to the washing temperature setting selected by the user through the washing machine control panel or mobile terminal application, such as 30℃, 40℃, 60℃, 90℃, etc. This setting reflects the user's subjective expectation of the washing effect for the current load.

[0053] In this embodiment, the controller obtains the temperature setting selected by the user through the control panel as the user-set temperature T. user At the same time, obtain the determined upper limit of safe temperature T. safe Subsequently, the target heating temperature T was determined according to the predetermined calculation rules.target In this embodiment, the target heating temperature T can be determined by using the minimum value calculation rule. target That is, T target =min(T user T safe This ensures that the target heating temperature does not exceed the user-set temperature, nor does it exceed the safe upper limit that heat-sensitive clothing can withstand. For example: if the target set temperature is 60℃, and the identified safe upper limit for wool clothing is 40℃, then the target heating temperature is set to 40℃; if the user set temperature is 30℃, and the identified safe upper limit for wool clothing is 40℃, then the target heating temperature is set to 30℃; if no heat-sensitive clothing is identified (safe upper limit is 95℃), and the user set temperature is 60℃, then the target heating temperature is 60℃.

[0054] S104: Based on the target heating temperature, control the washing machine to wash the clothes to be washed.

[0055] In this embodiment, the target heating temperature refers to the target water temperature value ultimately used to guide the start-up and shutdown control of the heater.

[0056] In this embodiment, after determining the target heating temperature, the controller enters the heating and washing control phase. Specifically, the controller receives the current water temperature T detected by the water temperature sensor in real time. cur When T cur Below the target heating temperature T target When the preset hysteresis threshold ΔT is subtracted (e.g., ΔT = 2℃), the controller outputs a heater start signal, energizing the heating element to raise its temperature; when T... cur Reaching or exceeding T target When the heater stops, the controller outputs a stop signal, cutting off the power to the heating element. Through this hysteresis control method, the water temperature is maintained at T. target Within a stable range nearby, frequent on / off switching of the heater was avoided.

[0057] In this embodiment, to prevent heating under abnormal operating conditions, the washing machine control method may further include: acquiring door lock status, current water level, current washing stage, and current water temperature information before the heater is started; starting the heater when the door lock status, current water level, current washing stage, and current water temperature meet the heating allowable conditions; and prohibiting the heater from starting and outputting a prompt message when the door lock status, current water level, current washing stage, and current water temperature do not meet the heating allowable conditions. The heating allowable conditions may include: the door lock status indicating that the door lock is in a closed and locked state; the current water level being higher than the minimum safe water level threshold; the current washing stage being a washing stage that allows heating (e.g., the main wash stage, not the rinsing or spin-drying stage); and the sum of the current water temperature and the hysteresis threshold being less than the target heating temperature. If any of the above conditions are not met, then even if T...cur Below T target The controller also does not allow heating and can output corresponding prompts through the display panel.

[0058] In this embodiment, by using the door lock closed state, minimum safe water level, permissible heating stage conditions, and current temperature conditions as the criteria for determining whether heating is permissible, it is possible to effectively avoid accidental heating under dangerous conditions such as an open door lock, low water level, or abnormal stages, thus significantly improving the operational safety of the washing machine.

[0059] In this embodiment, considering that when clothing with an extremely high heat sensitivity level is identified, its safe temperature limit is extremely low (e.g., 25°C or below), the heater may hardly work, resulting in the washing liquid temperature being close to room temperature (e.g., 15~20°C), and the cleaning effect may be severely insufficient. Therefore, in this embodiment, before heating begins, cold water can be injected to lower the initial water temperature, thereby prolonging the heating process and allowing heat-sensitive clothing to accumulate more chemical action during a more gradual temperature rise, while keeping the final temperature within the limit. Specifically, the washing machine control method may further include: when the heat sensitivity level is greater than the level threshold, performing a cold water injection operation to lower the water temperature in the drum to the target initial water temperature, and using the lowered target initial water temperature as the starting point, performing heating and washing control according to the target heating temperature. In this way, by lowering the initial water temperature and prolonging the heating process, the clothing obtains a longer chemical action time within a lower temperature range that is safer for heat-sensitive clothing, thereby effectively compensating for the cleaning effect lost due to an excessively low final temperature, without exceeding the safe temperature limit.

[0060] In this embodiment, during the heating process, the controller simultaneously controls the drive motor to rotate forward and backward according to a selected program rhythm, causing the clothes to tumble and beat inside the drum, promoting contact and chemical reaction between the washing liquid and the stains. This coordination of heating and mechanical movement continues until the main wash stage ends or is interrupted by user commands.

[0061] The technical solution of this application embodiment obtains the identification results of heat-sensitive clothing and determines the upper limit of the safe temperature accordingly. Then, it combines this with the user-set temperature to jointly determine the target heating temperature, and finally executes heating control based on this target temperature. Compared to the current method that relies entirely on user mode selection to determine a fixed heating temperature, this embodiment enables the washing machine's heating behavior to adaptively respond to the actual heat resistance properties of the clothing in the drum. It actively limits the temperature when the user-set temperature is too high, avoiding irreversible heat damage to heat-sensitive clothing due to improper user mode selection. At the same time, it retains the user's freedom to select higher temperatures within a safe range, thereby achieving more intelligent and safer washing and heating control.

[0062] In one feasible implementation, refer to Figure 3The step of controlling the washing machine to wash the clothes based on the target heating temperature in S104 may specifically include steps S201 to S203, as follows: S201: Obtain the reference temperature and reference heat preservation time corresponding to the target washing program.

[0063] It should be noted that in practical applications, when the target heating temperature is limited to a lower value due to the presence of heat-sensitive clothing (e.g., limited from 60°C to 40°C), the chemical activity of the detergent is significantly reduced, which may lead to a decrease in the cleaning effect on non-sensitive clothing. Therefore, this embodiment introduces a time compensation mechanism to extend the heat preservation time during the washing process under temperature-limited conditions, in order to compensate for the loss of cleaning ability due to the temperature reduction.

[0064] In this embodiment, the target washing program refers to the washing program executed by the washing machine according to the user's selection or the system's default setting. This target washing program includes a set of preset parameters, such as a cotton / linen wash program or a synthetic fiber wash program. The reference temperature refers to the preset target heating temperature of the target washing program. For example, the reference temperature for a cotton / linen wash program is typically 60°C, and for a wool wash program, it is 30°C. It should be noted that the reference temperature in this embodiment is not the temperature set by the user in real time, but rather a fixed temperature value stored internally by the system corresponding to the target washing program. The reference heat preservation time refers to the duration during the main wash phase when the water temperature reaches and remains near the reference temperature under the target washing program. This duration is a fixed value preset by the program, such as 30 minutes or 45 minutes, reflecting the heat treatment time required to achieve the expected cleaning effect under this reference heat preservation time.

[0065] In this embodiment, when the washing machine starts executing a washing program, the controller determines the target washing program to be used based on the washing mode selected by the user (or a mode automatically recommended by the system). The reference temperature and reference heat preservation time are read from the configuration parameters of this target washing program. The reference temperature and reference heat preservation time are pre-stored in the washing machine's non-volatile memory, corresponding one-to-one with each washing program.

[0066] In this embodiment, when the user manually adjusts the temperature setting via the control panel, the adjusted set temperature is determined as the reference temperature.

[0067] S202: When the target heating temperature is lower than the reference temperature, the reference holding time is compensated based on the target heating temperature and the reference holding time to obtain the first holding time.

[0068] In this embodiment, the controller compares the target heating temperature T_target with the reference temperature T_ref. If T_target≥T_ref, it indicates that the currently set target temperature is not lower than the reference temperature, and there is no situation requiring compensation due to temperature reduction. At this time, the first heat preservation duration directly takes the reference heat preservation duration t_ref without further calculation. If T_target<T_ref, time compensation is required. The reason is that at the lower temperature T_target, the chemical reaction rate for stain removal is slower, and a longer heat preservation time is required to achieve the same total amount of chemical reaction equivalent to the target washing program.

[0069] In specific implementation, a compensation model based on the Arrhenius equation may be adopted to perform time compensation on the reference heat preservation duration based on the target heating temperature and the reference heat preservation duration, so as to obtain the first heat preservation duration. Specifically, the calculation formula of the first heat preservation duration is: (1); wherein, represents the first heat preservation duration, represents the reference heat preservation duration, represents the apparent activation energy of stain removal, represents the reference temperature, represents the molar gas constant of 8.314J / (mol·K).

[0070] In this embodiment, can be obtained through experimental calibration. For example, based on experimental data of common sebum and oil stains, an empirical value of 48kJ / mol can be taken.

[0071] In an example, assuming that the target washing program is a cotton and linen washing process, =60℃ (333.15K), =30 minutes. Since wool fabrics are identified, the target heating temperature is limited to =40℃ (313.15K). Substituting into formula (1) for calculation, the first heat preservation duration is obtained .

[0072] In this embodiment, formula (1) can be derived through the following process: First, the removal process of stains in water is approximated as a first-order reaction, and the dependence of its reaction rate constant k on the absolute temperature T is described by the Arrhenius equation: (2); wherein, represents the reaction rate constant, indicating the speed at which stains are removed at temperature T, the larger the value, the stronger the cleaning capability; The exponential factor is related to the collision frequency of the reactants; T represents absolute temperature, in units of... Due to Celsius temperature Conversion: .

[0073] When detergent concentration and other conditions such as mechanical action are constant, the cleaning effect mainly depends on the rate constant. The product of the effective action time t. Therefore, at the limited lower target temperature... The set reference temperature for the target washing program is reached. To achieve the same cleaning effect, the following equivalence relationship must be met: (3); Substituting the Arrhenius formula, i.e. formula (2), into formula (3) and eliminating the pre-exponential factor A, we can obtain formula (1), which is the theoretical equivalent heat preservation time (i.e. the first heat preservation duration) required under the time compensation strategy. The calculation formula.

[0074] S203: Based on the target heating temperature and the first heat preservation time, control the washing machine to wash the clothes to be washed.

[0075] In this embodiment, the controller will set the target heating temperature. and first heat preservation time The washing process is executed according to the parameters. Specifically, during the heating phase, the controller starts the heater and heats it to the target temperature. The washing water is heated. During the heating process, the controller monitors the water temperature in real time and uses hysteresis control to gradually raise the water temperature to [temperature value missing]. Nearby. During the heat preservation phase: when the water temperature first reaches... Time (or Enter) Within the allowable fluctuation range of ±ΔT), the controller starts timing, and the heat preservation time is the first heat preservation time. Throughout the insulation period, the controller continuously controls the heater's on / off cycle to maintain the water temperature at [specific temperature range]. Nearby, the drive motor is simultaneously controlled to operate according to the rhythm set in the washing program, causing the clothes to tumble inside the drum to enhance the mechanical cleaning effect. At the end of the stage, when the heat preservation time reaches... After that, the controller ends the main wash stage, stops heating, and proceeds to the subsequent processes of draining, rinsing, and dehydration.

[0076] By employing the technical solution of this application embodiment and further introducing a time compensation mechanism, when the target heating temperature is lower than the reference temperature of the target washing program due to the protection requirements of heat-sensitive clothing, the controller, based on the Arrhenius principle, compensates the reference heat preservation time to a longer first heat preservation time and performs heating and washing for this compensated duration. In this way, by extending the heat treatment time in a low-temperature environment, the chemical cleaning ability lost due to temperature limitations can be compensated, allowing non-sensitive clothing in a mixed load to achieve a cleaning effect close to that of a standard high-temperature program, while heat-sensitive clothing remains within a safe temperature range to avoid damage. This achieves an effective balance between clothing protection and cleaning effect, thereby improving the overall washing and care performance in mixed washing scenarios.

[0077] In one feasible implementation, refer to Figure 4 The step in S203, which controls the washing machine to wash the clothes based on the target heating temperature and the first heat preservation time, may specifically include steps S301 to S304, as follows: S301: When the first heat preservation time exceeds the maximum permissible washing time, the maximum permissible mechanical strength for heat-sensitive clothing is determined based on the identification result information of heat-sensitive clothing.

[0078] It should be noted that when the target heating temperature is lower than the reference temperature, the loss of cleaning ability can be compensated by extending the heat preservation time. However, in some scenarios with large temperature differences (e.g., the reference temperature is 60℃ and the target temperature is limited to 30℃), the first heat preservation time calculated according to the Arrhenius equation may far exceed the user's patience limit or the washing machine's maximum allowable washing time (e.g., exceeding 120 minutes). In this case, simply relying on time compensation may not be enough to complete the wash in a short time. Therefore, this embodiment introduces a synergistic compensation mechanism for the intensity of mechanical action, that is, within the mechanical force tolerance range that the clothes can withstand, the mechanical action of the drum is moderately enhanced (e.g., increasing the rotation speed, increasing the frequency of movement, or changing the tumbling force), thereby significantly shortening the required heat preservation time while maintaining an equivalent overall cleaning effect, bringing it within an acceptable range.

[0079] In this embodiment, the maximum permissible washing time refers to the maximum heat preservation time that the system can tolerate during a single main wash cycle. This maximum permissible washing time can be set according to actual needs, for example, it can be determined by a combination of multiple factors, such as the user's psychological expectation of the total washing time, the thermal safety limitations of the washing machine motor and heater operating continuously, and the risk that the detergent may become ineffective or re-contaminate after prolonged soaking.

[0080] In this embodiment, the controller internally stores the maximum allowable washing time t. maxThis value can be dynamically adjusted based on the program type selected by the user (e.g., t in "Quick Wash" mode). max Smaller, t in "powerful wash" mode max (A larger value) or a fixed system default value (such as 75 minutes). This example uses a fixed default value as an example.

[0081] In this embodiment, if t eq1 ≤t max This demonstrates that the pure time compensation scheme is feasible, eliminating the need for mechanical strength compensation, and the controller directly operates according to the target heating temperature T. target and the first heat preservation time t eq1 Perform washing control. If t eq1 >t max In this case, mechanical compensation is required, and then the maximum permissible mechanical strength for heat-sensitive clothing is determined based on the identification results of heat-sensitive clothing.

[0082] In this embodiment, the controller queries a pre-calibrated mechanical strength mapping relationship stored in the memory based on the acquired identification result information to obtain the maximum permissible mechanical strength corresponding to the identification result information. Specifically, the identification result information may include the heat sensitivity level of heat-sensitive clothing, and the mechanical strength mapping relationship is used to characterize the correspondence between the heat sensitivity level and the maximum permissible mechanical strength. Referring to Table 1, an example table of mechanical strength mapping relationships is shown.

[0083] Table 1. Example of Mechanical Strength Mapping Relationship

[0084] It should be noted that the maximum permissible mechanical strength M in the table above... max The value is relative to the reference allowable mechanical strength M. ref (Usually normalized to 1.0) multiplier. M max >1.0 indicates that a stronger mechanical force than the target washing program can be applied (only applicable to non-heat-sensitive or low-sensitivity grades); M max <1.0 indicates that a gentler mechanical action than the target wash program must be used (for extremely sensitive clothing); M max =1.0 or slightly higher indicates that mechanical action equivalent to or slightly stronger than the target washing program is permitted.

[0085] In this embodiment, under mixed load scenarios, if multiple garments with different heat sensitivity levels are present simultaneously, the controller selects the smallest M among them. max This is the maximum permissible mechanical strength, to ensure that all clothing does not exceed the limit.

[0086] S302: Determine the second heat preservation time based on the maximum permissible mechanical strength, the first heat preservation time, and the reference permissible mechanical strength corresponding to the target washing program.

[0087] In this embodiment, the reference allowable mechanical strength refers to the system-preset mechanical action intensity of the drum under the target washing program. Mechanical strength is a normalized measure characterizing the mechanical work done by the drum on the clothes per unit time, comprehensively reflecting the tumbling force, tumbling frequency, and effective action ratio. For example, the reference allowable mechanical strength M for the target washing program... ref Normalized to 1.0.

[0088] In this embodiment, the mechanical force M exerted by the roller on the clothing can be specifically determined by the roller's rotational angular velocity ω and rotational duty cycle D (i.e., the proportion of rotation time to the total cycle time). Specifically: (4); in, and These are the standard spin speed and standard duty cycle of the baseline washing program, respectively. α and β are empirical indices that can be obtained through experimental calibration. For example, α=1.1 and β=0.6 can be set.

[0089] In this embodiment, the overall cleaning effect during the washing process is related to the synergistic contribution of chemical and mechanical effects. In the engineering model of this embodiment, the equivalent cleaning contribution can be approximately expressed as: Cleaning effect ∝ k(T)×t×M b Where t represents the washing time, and b is the mechanical force contribution index, used to reflect the contribution weight of mechanical action relative to chemical action. In this embodiment, an empirical value b is taken as a constant between 0.6 and 0.8 based on experimental data. For example, b can be set to 0.75.

[0090] To achieve a cleaning effect equivalent to the target washing program, the following equation should be satisfied: (5) in, The second insulation duration to be determined is... Indicates actual mechanical strength.

[0091] Substituting formula (3) into formula (5), we get: (6); To minimize washing time, the maximum permissible mechanical strength M can be used. max When compensation is made, that is = Then we can get: (7) because ≥ hour, <1, therefore < That is, by increasing mechanical force, the heat preservation time can be effectively shortened.

[0092] In one example =60℃, =40℃, =30min, calculated ≈86.6 min. Let the maximum allowable washing time of the system be t. max =75min, since 86.6>75, mechanical compensation needs to be introduced. Looking up the table, the corresponding value for wool (G=1) is... =1.2, =1.0, b=0.75, then: =86.6×(1.0 / 1.2)^0.75=86.6×(0.8333)^0.75≈86.6×0.877≈76.0min. The calculated t2≈76.0min, slightly greater than t. max =75min, at which point it is necessary to further determine the actual heat preservation time.

[0093] S303: When the second heat preservation time exceeds the maximum allowable washing time, the washing machine is controlled to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength and the maximum allowable washing time.

[0094] In this embodiment, if ≤ This indicates that by increasing mechanical strength to This has already shortened the insulation time to an acceptable range. Therefore, the compensation plan is adopted at this point, namely: the actual target insulation time... = The actual mechanical strength applied = .

[0095] S304: When the second heat preservation time is less than or equal to the maximum allowable washing time, the washing machine is controlled to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength and the second heat preservation time.

[0096] In this embodiment, if > This indicates that even with compensation using the maximum mechanical strength that heat-sensitive clothing can withstand, it is still insufficient. The equivalent cleaning effect is achieved internally. At this point, the system forcibly extends the heat preservation time. Set as Meanwhile, actual mechanical strength Still using The system also outputs prompts through the user interface, such as displaying a message to the user: "To protect heat-sensitive clothing, the washing time has been set to the maximum limit, and the cleaning effect may be slightly reduced," to ensure the user's right to know.

[0097] In this embodiment, the controller can be adjusted according to the actual mechanical strength. By reversing equation (4), a feasible combination of (ω, D) can be obtained. For example, the duty cycle D can be adjusted first, followed by the rotational speed ω, in order to minimize the impact on clothing while achieving the target mechanical strength. Then, during the heat preservation stage, the controller controls the drive motor to operate according to the calculated rotational speed and duty cycle, while maintaining the water temperature at [value missing]. Nearby, duration is .

[0098] In this embodiment, during the washing process, the controller monitors the water temperature, water level, and door lock status in real time to ensure heating safety. The heat preservation time reaches [a certain value]. After that, the main washing phase ends, and the subsequent processes begin.

[0099] The technical solution adopted in this application introduces a collaborative compensation mechanism for mechanical force intensity on top of time compensation. When the first heat preservation time caused by pure time compensation exceeds the system's maximum allowable washing time, the controller determines the maximum allowable mechanical intensity based on the heat-sensitive clothing's tolerance limit and calculates the shortened second heat preservation time accordingly. Then, based on the comparison between the second heat preservation time and the maximum allowable washing time, it adaptively selects different washing strategies. Thus, by replacing part of the time compensation with enhanced mechanical force, the washing capacity lost due to temperature limitations can be restored to the greatest extent possible within the user-acceptable washing time range, thereby significantly improving the washing machine's intelligence and practicality.

[0100] In one feasible implementation, refer to Figure 5 The washing machine control method may also include steps S401 to S403, as follows: S401: Obtain the initial water temperature and, based on the identification results, determine the maximum permissible rate of temperature increase for heat-sensitive clothing.

[0101] In this embodiment, the maximum permissible heating rate refers to the highest rate at which the system allows the water temperature to rise without damaging heat-sensitive clothing due to a sudden increase in temperature. Different heat-sensitive clothing grades correspond to different maximum permissible heating rates.

[0102] In this embodiment, the maximum permissible heating rate can be obtained through experimental calibration. Specifically, different heating rates are applied to heat-sensitive clothing samples for washing, and the critical rate at which problems such as fiber stress damage and increased felting are observed is determined by subtracting a safety margin. For example, the maximum permissible heating rate for wool clothing is typically set at 2.0°C / min, and for silk clothing at 1.0°C / min.

[0103] In this embodiment, after water intake is complete and heating conditions are met, the controller reads the initial temperature of the washing water in the tub using a water temperature sensor. Based on the acquired identification result information, the controller queries a pre-calibrated heating rate mapping relationship stored in memory to obtain the maximum permissible heating rate corresponding to the identification result information. Specifically, the identification result information may include the heat sensitivity rating of heat-sensitive clothing, and the mechanical strength mapping relationship is used to characterize the correspondence between the heat sensitivity rating and the maximum permissible heating rate. Referring to Table 2, an example table of heating rate mapping relationships is output.

[0104] Table 2 Example of Heating Rate Mapping Relationship

[0105] In this embodiment, under mixed load scenarios, if multiple garments with different heat sensitivity levels are present simultaneously, the controller selects the garment with the lowest heat sensitivity level. This is the maximum permissible rate of temperature increase, to ensure that all clothing does not exceed the limit.

[0106] S402: Based on the initial water temperature, target heating temperature, and maximum allowable heating rate, generate a temperature set curve that linearly increases from the initial water temperature to the target heating temperature.

[0107] In this embodiment, the controller determines the initial water temperature. Maximum allowable heating rate and target heating temperature (For example, 40℃), a temperature setpoint curve that changes over time can be generated using the following formula: (8); Where t represents the time counted from the start of the heating process. This indicates the set water temperature corresponding to time t.

[0108] In this embodiment, the temperature setpoint curve is used to indicate the setpoint value in the initial stage of heating. The rate of increase is linear; when the linear growth value exceeds After that, the set value remains. No more additions will be made.

[0109] S403: Based on the temperature setting curve, control the heater to heat the water so that the actual water temperature rises at a rate not exceeding the maximum allowable heating rate until the actual water temperature reaches the target heating temperature.

[0110] In this embodiment, the controller uses The heater is driven by a PID (Proportional-Integral-Derivative) control algorithm, which serves as the real-time target temperature. Specifically, the controller reads the actual water temperature in each control cycle. Calculate the deviation e(t) = - Based on the deviation e(t) and its integral and derivative terms, the heater duty cycle or heating power is calculated. The PID parameters (Kp, Ki, Kd) can be obtained in advance through calibration to ensure the speed and smoothness of ramp tracking. Then, the PID output is converted into heater on / off control (PWM or time proportional control can be used for on / off heaters) or power regulation signal, so that the heater operates at the calculated power. The actual water temperature is compared in real time. With target heating temperature .when First time reaching (or enter) When the allowable fluctuation range of ±ΔT (e.g., ±0.5℃) is reached, the heating stage ends and the controller enters the subsequent heat preservation stage.

[0111] The technical solution of this application embodiment obtains the initial water temperature and the maximum allowable heating rate corresponding to heat-sensitive clothing, generates a temperature setting curve that linearly rises from the initial water temperature to the target heating temperature, and controls the heater to smoothly follow the temperature setting curve in real time until the water temperature first reaches the target value. By actively limiting the water temperature rise rate within the tolerance range of the clothing, this application embodiment can avoid thermal shock damage to heat-sensitive clothing fibers such as wool and silk caused by sudden temperature increases, further improving the safety of the washing process.

[0112] In one feasible implementation, refer to Figure 6 The washing machine control method may also include steps S501 to S504, as follows: S501: Determine the equivalent cleaning contribution rate at the current moment based on the current mechanical strength and current water temperature.

[0113] In this embodiment, the current mechanical strength refers to the mechanical force applied by the drum to the laundry at the current moment. The current water temperature refers to the actual temperature of the washing water detected at the current moment.

[0114] In this embodiment, the equivalent cleaning contribution rate at the current moment can be calculated by comprehensively considering the current mechanical strength and the current water temperature. This equivalent cleaning contribution rate refers to the instantaneous contribution of the washing process to the overall cleaning effect at the current moment. The equivalent cleaning contribution rate comprehensively considers the influence of the current water temperature on the chemical reaction rate and the synergistic contribution of the current mechanical strength to stain removal.

[0115] In practical implementation, the equivalent cleaning contribution rate can be calculated using the following formula: (9); in, This represents the equivalent cleaning contribution rate at the current moment. Indicates the current mechanical strength. This indicates the current water temperature.

[0116] It should be noted that the equivalent cleaning contribution rate under the target washing program is... = ^b×exp(0)=1.0 (because 1 / -1 / =0). The multiplier factor of the current actual contribution rate relative to the reference contribution rate reflects the combined effects of temperature deviation and mechanical strength deviation.

[0117] S502: Integrate the equivalent cleaning contribution rate over time to obtain the cumulative equivalent cleaning time from the start of washing to the current moment.

[0118] In this embodiment, the cumulative equivalent cleaning time refers to the cumulative value obtained by integrating the equivalent cleaning contribution rate over time from the start of the heating stage to the current moment. This cumulative equivalent cleaning time is expressed in units of time (e.g., minutes) and is used to characterize the total cleaning effect accumulated under the current actual changes in temperature and mechanical intensity.

[0119] In this embodiment, the controller calculates the instantaneous equivalent cleaning contribution rate in each control cycle. Then, the equivalent cleaning contribution rate can be integrated over time using the following formula to obtain the cumulative equivalent cleaning time from the start of washing to the current moment: (10); in, This indicates the cumulative equivalent cleaning time at the current moment.

[0120] S503: Determine the baseline equivalent washing time based on the reference heat preservation time and reference allowable mechanical strength corresponding to the target washing program.

[0121] In this embodiment, the reference equivalent washing time refers to the standard equivalent washing time required to achieve the expected cleaning effect under the target washing program. Since the temperature and mechanical strength in the target washing program are essentially constant, the reference equivalent washing time is the product of the reference heat preservation time and the reference mechanical strength raised to the power of b. (11); in, Indicates the baseline equivalent cleaning time.

[0122] S504: When the cumulative equivalent washing time is greater than or equal to the baseline equivalent washing time, control the washing machine to end the wash cycle.

[0123] In this embodiment, after the controller completes integration in each control cycle, it will accumulate the equivalent cleaning time. Equivalent cleaning time to the benchmark Compare. If < If so, heating and rotation continue, maintaining the washing state, and the next cycle of data collection, calculation, and integration will continue. ≥ If the cumulative cleaning effect has reached or exceeded the standard level of the target washing program, the controller will immediately stop heating, end the main wash stage, and proceed to subsequent processes such as draining, rinsing, and spin-drying. Simultaneously, a notification message, such as "Intelligent washing complete," will be displayed on the control panel.

[0124] In this embodiment, since the integration process is continuous, the cumulative equivalent washing time may reach the threshold before the target temperature is reached during the heating phase, or midway through the heat preservation phase. For example, when the target heating temperature is limited to a lower value (e.g., 40°C), the water temperature gradually rises from 20°C to 40°C during the heating process. Although the temperature has not yet reached the target, the heating phase also contributes a certain amount of chemical action. Combined with appropriate mechanical strength, its cumulative equivalent contribution may exceed the contribution of the target washing program at a constant 60°C for 30 minutes before the temperature reaches 40°C. At this time, the controller will end the main wash early, avoiding unnecessary long-term heat preservation and achieving energy saving and high efficiency.

[0125] The technical solution of this application collects real-time data on current mechanical strength and water temperature, calculates the instantaneous equivalent cleaning contribution rate, and accumulates it to obtain the cumulative equivalent cleaning time. When this cumulative value reaches the benchmark equivalent cleaning time corresponding to the reference washing program, the washing process is immediately terminated. This enables precise quantification and compensation for dynamic changes in temperature and mechanical strength during the actual washing process, thus accurately terminating the washing process when the cleaning effect meets the standard. In this way, the washing process can be terminated at the appropriate time, effectively avoiding over-washing or under-washing caused by temperature fluctuations or changes in mechanical strength. This ensures equivalent cleaning quality while saving energy and time, thereby significantly improving the accuracy and intelligence of washing control.

[0126] In one feasible implementation, the identification result information includes the heat sensitivity level of the heat-sensitive clothing; based on the identification result information, the upper limit of the safe temperature for the heat-sensitive clothing is determined, including: determining the upper limit of the safe temperature for the heat-sensitive clothing based on the heat sensitivity level and a preset level mapping relationship.

[0127] In this embodiment, the grade mapping relationship is used to characterize the correspondence between heat sensitivity level and safe temperature limit. This grade mapping relationship can be pre-calibrated and stored in memory. The controller can query the grade mapping relationship based on the acquired heat sensitivity level to obtain the maximum permissible mechanical strength corresponding to that heat sensitivity level. Refer to Table 3 for an example table of grade mapping relationships.

[0128] Table 3 Example of hierarchical mapping relationship

[0129] In this embodiment, the controller takes the heat sensitivity level (e.g., G=1) as input, queries the above mapping table, and outputs the corresponding safe temperature limit (e.g., T). safe =60℃).

[0130] In this embodiment, if the tank contains multiple levels of heat-sensitive clothing (e.g., wool G=1 and silk G=2 simultaneously), the controller first determines the final protection level to be adopted. For example, when using the most stringent strategy, the highest level G is selected. max =2, then the upper limit of the safe temperature is T safe =40℃. When using a weighted strategy, for example, with wool accounting for 70% and silk accounting for 30%, the overall grade G can be calculated. comp =0.7×1+0.3×2=1.3, then calculate the upper limit of safe temperature through interpolation: T safe =40+(30-40)×(1.3-1) / (2-1)=40-3=37℃.

[0131] By adopting the technical solution of this application embodiment, the heat sensitivity level is mapped to the corresponding safe temperature limit through a preset level mapping relationship, which can achieve precise control of the protection temperature of heat-sensitive clothing. Under the premise of ensuring that all kinds of heat-sensitive clothing are not damaged by heat, a higher washing temperature space is reserved for non-sensitive clothing as much as possible, thereby improving the overall washing and care performance in mixed washing scenarios.

[0132] In one feasible implementation, the step of determining the target heating temperature of the washing process based on the target set temperature and the upper limit of the safe temperature may specifically include: obtaining the upper limit of the stage temperature allowed in the current washing stage; and determining the minimum value among the upper limit of the stage temperature, the target set temperature, and the upper limit of the safe temperature as the target heating temperature.

[0133] In this embodiment, the current washing stage refers to the different time intervals divided into the entire washing process of the washing machine. The current washing stage includes, but is not limited to: pre-wash stage, main wash stage, rinsing stage, and spin-drying stage. Different stages correspond to different control objectives and safety requirements. The stage temperature limit refers to the highest heating temperature allowed by the system in the current washing stage. Different current washing stages correspond to different stage temperature limits. For example, in the main wash stage, the stage temperature limit is usually equal to the default temperature of the user-selected mode (e.g., 60°C) or the highest temperature allowed by the system (e.g., 95°C), i.e., no additional restrictions are imposed; in the pre-wash stage, in order to prevent stains from hardening due to high temperature, the stage temperature limit may be limited to 40°C or lower.

[0134] In one specific implementation, the upper limit of the stage temperature can be further refined based on the sub-states within the current washing stage. For example, the main wash stage can be subdivided into "early stage of heating", "constant temperature stage", and "late stage of cooling", each corresponding to a different upper limit of the stage temperature (e.g., a higher target is allowed in the early stage of heating to accelerate heating, the set value is maintained in the constant temperature stage, and the upper limit is gradually reduced in the late stage of cooling).

[0135] In this embodiment, the target heating temperature is determined by the minimum value among the stage temperature upper limit, the target set temperature, and the safe temperature upper limit. This ensures that the actual heating temperature will not exceed the user's expectations, nor will it exceed the heat resistance limit of heat-sensitive clothing or the safe allowable value for the current washing stage. Thus, when the washing machine is operating in stages unsuitable for high temperatures, such as rinsing or pre-washing, even if the clothing identification result allows it or the user sets a higher temperature, the controller can proactively limit or prohibit heating based on the stage upper limit. This prevents detergent residue from solidifying or secondary damage to clothing due to improper heating, thereby further improving the safety and precision of the washing process.

[0136] To facilitate better implementation of the washing machine control method of this application, this application also provides a washing machine control device based on the above-described washing machine control method. The meanings of the terms used are the same as in the washing machine control method described above, and specific implementation details can be found in the descriptions of the method embodiments.

[0137] Based on the same inventive concept, referring to FIG. 7, this application embodiment provides a washing machine control device 700, which includes: The information acquisition module 701 is used to acquire the identification result information of heat-sensitive clothing in the laundry to be washed; The first determining module 702 is used to determine the upper limit of the safe temperature for heat-sensitive clothing based on the identification result information; The second determining module 703 is used to determine the target heating temperature of the washing process based on the target set temperature and the upper limit of the safe temperature. The washing control module 704 is used to control the washing machine to wash the clothes to be washed based on the target heating temperature.

[0138] In one embodiment, the washing control module 704 includes: The reference information acquisition submodule is used to acquire the reference temperature and reference heat preservation time corresponding to the target washing program. The time compensation submodule is used to compensate the reference heat preservation time based on the target heating temperature and the reference heat preservation time when the target heating temperature is lower than the reference temperature, so as to obtain the first heat preservation time. The washing control submodule is used to control the washing machine to wash the clothes based on the target heating temperature and the first heat preservation time.

[0139] In one embodiment, the washing control submodule includes: The mechanical strength determination unit is used to determine the maximum permissible mechanical strength for heat-sensitive clothing based on the identification result information of heat-sensitive clothing when the first heat preservation time is greater than the maximum permissible washing time. The heat preservation time determination unit is used to determine the second heat preservation time based on the maximum permissible mechanical strength, the first heat preservation time, and the reference permissible mechanical strength corresponding to the target washing program; The first washing control unit is used to control the washing machine to wash the clothes to be washed when the second heat preservation time is longer than the maximum allowable washing time, based on the target heating temperature, the maximum allowable mechanical strength and the maximum allowable washing time. The second washing control unit is used to control the washing machine to wash the clothes to be washed when the second heat preservation time is less than or equal to the maximum allowable washing time, based on the target heating temperature, the maximum allowable mechanical strength and the second heat preservation time.

[0140] In one embodiment, the washing machine control device 700 further includes: The rate determination module is used to acquire the initial water temperature and, based on the identification results, determine the maximum allowable heating rate of heat-sensitive clothing. The curve generation module is used to generate a temperature setting curve that linearly rises from the initial water temperature to the target heating temperature based on the initial water temperature, the target heating temperature, and the maximum allowable heating rate. The heating control module is used to control the heater to heat water based on the temperature set curve, so that the actual water temperature rises at a rate not exceeding the maximum allowable heating rate until the actual water temperature reaches the target heating temperature.

[0141] In one embodiment, the washing machine control device 700 further includes: The contribution rate determination module is used to determine the equivalent cleaning contribution rate at the current moment based on the current mechanical strength and current water temperature. The time integration module is used to integrate the equivalent cleaning contribution rate over time to obtain the cumulative equivalent cleaning time from the start of washing to the current moment. The duration determination module is used to determine the benchmark equivalent washing time based on the reference heat preservation time and reference allowable mechanical strength corresponding to the target washing program. The washing end module is used to control the washing machine to end the washing cycle when the cumulative equivalent washing time is greater than or equal to the benchmark equivalent washing time.

[0142] In one embodiment, the identification result information includes the heat sensitivity level of the heat-sensitive clothing; the first determining module 702 includes: The grade mapping submodule is used to determine the upper limit of safe temperature for heat-sensitive clothing based on the heat sensitivity grade and the preset grade mapping relationship; the grade mapping relationship is used to characterize the correspondence between the heat sensitivity grade and the upper limit of safe temperature.

[0143] In one embodiment, the second determining module 703 includes: The temperature acquisition submodule is used to obtain the upper limit of the allowed temperature for the current washing stage; The temperature determination submodule is used to determine the minimum value among the stage temperature upper limit, target set temperature, and safe temperature upper limit as the target heating temperature.

[0144] The technical solution of this application embodiment obtains the identification results of heat-sensitive clothing and determines the upper limit of the safe temperature accordingly. Then, it combines this with the user-set temperature to jointly determine the target heating temperature, and finally executes heating control based on this target temperature. Compared to the current method that relies entirely on user mode selection to determine a fixed heating temperature, this embodiment enables the washing machine's heating behavior to adaptively respond to the actual heat resistance properties of the clothing in the drum. It actively limits the temperature when the user-set temperature is too high, avoiding irreversible heat damage to heat-sensitive clothing due to improper user mode selection. At the same time, it retains the user's freedom to select higher temperatures within a safe range, thereby achieving more intelligent and safer washing and heating control.

[0145] Specific limitations regarding the washing machine control device 700 can be found in the limitations of the washing machine control method described above, and will not be repeated here. Each module in the aforementioned washing machine control device 700 can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in or independent of the processor in a computer device in hardware form, or stored in the memory of a computer device in software form, so that the processor can call and execute the operations corresponding to each module.

[0146] In addition, this application also provides a washing machine, such as Figure 8 As shown, it illustrates the structural diagram of the washing machine involved in this application, specifically: The washing machine may include components such as a processor 801 with one or more processing cores and a memory 802 with one or more computer-readable storage media. Those skilled in the art will understand that... Figure 8 The washing machine structure shown does not constitute a limitation on the washing machine and may include more or fewer components than shown, or combine certain components, or have different component arrangements. Wherein: The processor 801 is the control center of the washing machine. It connects to various parts of the washing machine via various interfaces and lines. By running or executing software programs and / or modules stored in the memory 802, and by calling data stored in the memory 802, it performs various functions and processes data, thereby providing overall monitoring of the washing machine. Optionally, the processor 801 may include one or more processing cores; preferably, the processor 801 may integrate an application processor and a modem processor, wherein the application processor mainly handles the operating system, user interface, and applications, and the modem processor mainly handles wireless communication. It is understood that the modem processor may not be integrated into the processor 801.

[0147] The memory 802 can be used to store software programs and modules. The processor 801 executes various functional applications and data processing by running the software programs and modules stored in the memory 802. The memory 802 may mainly include a program storage area and a data storage area. The program storage area may store the operating system, application programs required for at least one function (such as sound playback function, image playback function, etc.), etc.; the data storage area may store data created based on the use of the washing machine, etc. In addition, the memory 802 may include high-speed random access memory, and may also include non-volatile memory, such as at least one disk storage device, flash memory device, or other volatile solid-state storage device. Accordingly, the memory 802 may also include a memory controller to provide the processor 801 with access to the memory 802.

[0148] In one feasible implementation, the washing machine also includes a power supply 803 that supplies power to the various components. Preferably, the power supply 803 can be logically connected to the processor 801 through a power management system, thereby enabling functions such as charging, discharging, and power consumption management through the power management system. The power supply 803 may also include one or more DC or AC power supplies, a recharging system, a power equipment debugging circuit, a power converter or inverter, a power status indicator, or any other components.

[0149] In one feasible implementation, the washing machine may further include an input unit 804, which can be used to receive input digital or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control.

[0150] Although not shown, the washing machine may also include a display unit, etc., which will not be described in detail here. Specifically, in this embodiment, the processor 801 in the washing machine loads the executable files corresponding to the processes of one or more application programs into the memory 802 according to the following instructions, and the processor 801 runs the application programs stored in the memory 802, thereby implementing the steps in any of the washing machine control methods provided in the embodiments of this application.

[0151] Those skilled in the art will understand that Figure 8 The structure shown is merely a block diagram of a portion of the structure related to the present application and does not constitute a limitation on the washing machine to which the present application is applied. A specific washing machine may include more or fewer components than those shown in the figure, or combine certain components, or have different component arrangements.

[0152] In one feasible implementation, a washing machine is provided, including a memory and a processor, the memory storing a computer program, the processor executing the computer program to implement the methods described in any embodiment of this application.

[0153] In one feasible implementation, a computer-readable storage medium is provided having a computer program stored thereon, which, when executed by a processor, implements the methods described in any embodiment of this application.

[0154] In one feasible implementation, a computer program product is also proposed, comprising a computer program or instructions that, when executed by a processor, implement the methods described in any embodiment of this application.

[0155] For details on the implementation of each of the above operations, please refer to the previous examples, which will not be repeated here.

[0156] Those skilled in the art will understand that all or part of the steps in the various methods of the above embodiments can be performed by instructions, or by instructions controlling related hardware. These instructions can be stored in a computer-readable storage medium and loaded and executed by a processor.

[0157] Therefore, this application provides a computer-readable storage medium storing a computer program that can be loaded by a processor to execute the steps in any of the washing machine control methods provided in this application.

[0158] For details on the implementation of each of the above operations, please refer to the previous examples, which will not be repeated here.

[0159] The computer-readable storage medium may include: read-only memory (ROM), random access memory (RAM), disk or optical disk, etc.

[0160] Since the instructions stored in the computer-readable storage medium can execute the steps of any of the washing machine control methods provided in this application, the beneficial effects that any of the washing machine control methods provided in this application can achieve can be realized, as detailed in the preceding embodiments, and will not be repeated here.

[0161] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.

[0162] The foregoing has provided a detailed description of a washing machine control method, apparatus, washing machine, and computer-readable storage medium provided in this application. Specific examples have been used to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present invention. At the same time, for those skilled in the art, there will be changes in specific implementation methods and application scope based on the ideas of the present invention. Therefore, the content of this specification should not be construed as a limitation of the present invention.

Claims

1. A washing machine control method, characterized in that, The method includes: Obtain the identification results of heat-sensitive clothing among the laundry to be washed; Based on the identification results, the upper limit of the safe temperature for the heat-sensitive clothing is determined; The target heating temperature for the washing process is determined based on the target set temperature and the upper limit of the safe temperature. Based on the target heating temperature, the washing machine is controlled to wash the clothes to be washed.

2. The washing machine control method according to claim 1, characterized in that, The step of controlling the washing machine to wash the clothes to be washed based on the target heating temperature includes: Obtain the reference temperature and reference heat preservation time corresponding to the target washing program; When the target heating temperature is lower than the reference temperature, the reference heat preservation time is compensated for based on the target heating temperature and the reference heat preservation time to obtain a first heat preservation time; Based on the target heating temperature and the first heat preservation time, the washing machine is controlled to wash the clothes to be washed.

3. The washing machine control method according to claim 2, characterized in that, The step of controlling the washing machine to wash the clothes to be washed based on the target heating temperature and the first heat preservation time includes: When the first heat preservation time exceeds the maximum allowable washing time, the maximum allowable mechanical strength for the heat-sensitive clothing is determined based on the identification result information of the heat-sensitive clothing. The second heat preservation time is determined based on the maximum permissible mechanical strength, the first heat preservation time, and the reference permissible mechanical strength corresponding to the target washing program; When the second heat preservation time is greater than the maximum allowable washing time, the washing machine is controlled to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength and the maximum allowable washing time; When the second heat preservation time is less than or equal to the maximum allowable washing time, the washing machine is controlled to wash the clothes to be washed based on the target heating temperature, the maximum allowable mechanical strength and the second heat preservation time.

4. The washing machine control method according to claim 1, characterized in that, After determining the target heating temperature for the washing process based on the target set temperature and the upper limit of the safe temperature, the method further includes: The initial water temperature is obtained, and based on the identification result information, the maximum allowable rate of temperature rise of the heat-sensitive clothing is determined; Based on the initial water temperature, the target heating temperature, and the maximum allowable heating rate, a temperature set curve is generated that linearly increases from the initial water temperature to the target heating temperature. Based on the temperature setting curve, the heater is controlled to heat the water at a rate not exceeding the maximum allowable heating rate until the actual water temperature reaches the target heating temperature.

5. The washing machine control method according to claim 1, characterized in that, The method further includes: Based on the current mechanical strength and current water temperature at the current moment, determine the equivalent cleaning contribution rate at the current moment; Integrate the equivalent cleaning contribution rate over time to obtain the cumulative equivalent cleaning time from the start of washing to the current moment; Based on the reference heat preservation time and reference allowable mechanical strength corresponding to the target washing program, the benchmark equivalent washing time is determined. When the cumulative equivalent washing time is greater than or equal to the baseline equivalent washing time, the washing machine is controlled to end the washing cycle.

6. The washing machine control method according to claim 1, characterized in that, The identification result information includes the heat sensitivity level of the heat-sensitive clothing; The step of determining the upper limit of the safe temperature for the heat-sensitive clothing based on the identification result information includes: Based on the heat sensitivity level and the preset level mapping relationship, the upper limit of the safe temperature for the heat-sensitive clothing is determined; The level mapping relationship is used to characterize the correspondence between the heat sensitivity level and the upper limit of the safe temperature.

7. The washing machine control method according to claim 1, characterized in that, Determining the target heating temperature for the washing process based on the target set temperature and the upper limit of the safe temperature includes: Get the maximum allowed temperature for the current washing stage; The minimum value among the upper limit of the stage temperature, the target set temperature, and the upper limit of the safe temperature is determined as the target heating temperature.

8. A washing machine control device, characterized in that, The device includes: The information acquisition module is used to acquire the identification results of heat-sensitive clothing among the clothes to be washed; The first determining module is used to determine the upper limit of the safe temperature for the heat-sensitive clothing based on the identification result information; The second determining module is used to determine the target heating temperature of the washing process based on the target set temperature and the upper limit of the safe temperature. The washing control module is used to control the washing machine to wash the clothes to be washed based on the target heating temperature.

9. A washing machine, characterized in that, It includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the washing machine control method as described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program that, when executed by a processor, implements the steps of the washing machine control method as described in any one of claims 1 to 7.

Images