Control method, electronic device, and laundry treating apparatus

By installing a light signal detection component inside the washing tub of the garment processing equipment, the material of the garment can be automatically identified, solving the problem of users having to manually select rinsing and care programs, and improving the convenience and automation of the equipment.

CN119980642BActive Publication Date: 2026-01-16GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202510095387.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-16
Estimated Expiration
2045-01-21

AI Technical Summary

Technical Problem

Existing garment processing equipment requires users to manually select rinsing and care programs after washing, which is cumbersome and affects the user experience.

Method used

A light signal generator and receiver are installed inside the washing tub of the clothing processing equipment. By detecting changes in the foam on the clothes, the material of the clothes is automatically identified, and then the execution mode of the washing program is determined.

Benefits of technology

It enables automatic identification of clothing materials, simplifies user operation, improves the convenience and automation of clothing processing equipment, and ensures that clothing is properly processed.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

Embodiments of the present application disclose a control method, an electronic device and a laundry treating apparatus. The laundry treating apparatus has a washing tub for treating laundry and detergent. An inner wall of the washing tub is provided with a detection assembly. The detection assembly includes a light signal generating member and a light signal receiving member for receiving a light signal transmitted by the light signal generating member. The control method includes: controlling the laundry treating apparatus to perform a washing stage; in the washing stage, when the washing tub has foam generated by the detergent and the laundry is attached with the foam, controlling the detection assembly to perform a material detection process; in the material detection process, according to a first light signal emitted by the light signal generating member towards the laundry and a second light signal received by the light signal receiving member, the material of the laundry in the washing tub is determined. Through the above technical solution, the user no longer needs to manually determine the specific execution mode of the program according to the material of the laundry, thereby ensuring the user experience.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of clothes processing equipment, and in particular, to a control method, an electronic device and clothes processing equipment. BACKGROUND

[0002] In the related art, after a user washes clothes through clothes processing equipment, the clothes usually need to be rinsed and cared, etc. When the clothes are rinsed and cared, etc., the user usually needs to manually determine the specific execution mode of the program according to the material of the clothes. Taking the rinsing program as an example, when the clothes need to be rinsed, the user needs to manually select the specific implementation mode suitable for the material of the clothes in the rinsing program according to the material of the clothes, for example, determines the rinsing time and the rinsing times according to the material of the clothes, etc., so as to ensure that the clothes are properly processed while avoiding damage. However, this user-manual-selection mode is relatively cumbersome, which affects the user experience. SUMMARY

[0003] Embodiments of the present application provide a control method, an electronic device and a drum washing machine to solve the problem that the drum washing machine with a drying function is difficult to accurately determine whether the clothes are dried in related art.

[0004] According to a first aspect of the embodiments of the present application, a control method is provided for clothes processing equipment with a washing function, the clothes processing equipment has a washing drum for processing clothes and a washing agent, a detection assembly is arranged on the inner wall of the washing drum, the detection assembly includes a light signal generating piece and a light signal receiving piece for receiving the light signal transmitted by the light signal generating piece, and the control method includes:

[0005] controlling the clothes processing equipment to execute a washing stage;

[0006] in the washing stage, in a case where the washing drum has foam generated by the washing agent and the clothes are attached with the foam, controlling the detection assembly to execute a material detection process;

[0007] in the material detection process, determining the material of the clothes in the washing drum according to at least a first light signal emitted by the light signal generating piece towards the clothes and a second light signal received by the light signal receiving piece.

[0008] Optionally, in the material detection process, the washing drum is controlled to rotate so that one of the light signal generating piece and the light signal receiving piece is located below the clothes, and the other of the light signal generating piece and the light signal receiving piece is arranged above the clothes.

[0009] Optionally, the material of the laundry in the washing tub is determined according to a wavelength difference value, the wavelength difference value being an absolute value of a difference between a wavelength x1 of the first light signal and a wavelength x2 of the second light signal.

[0010] Optionally, the material of the laundry in the washing tub is determined according to a wavelength difference value, the wavelength difference value being an absolute value of a difference between a wavelength x1 of the first light signal and a wavelength x2 of the second light signal.

[0011] Optionally, the material of the laundry in the washing tub is determined according to a wavelength difference value, the wavelength difference value being an absolute value of a difference between a wavelength x1 of the first light signal and a wavelength x2 of the second light signal.

[0012] The material of the laundry in the washing tub is determined according to a correspondence between the wavelength difference value and the material of the laundry.

[0013] Optionally, in the material detection process, the first light signal emitted by the light signal generator towards the laundry and the second light signal received by the light signal receiver are used to determine the material of the laundry in the washing tub, including: controlling the light signal generator to emit the first light signal towards the light signal receiver multiple times, and receiving, by the light signal receiver, multiple second light signals corresponding to the first light signal emitted multiple times by the light signal receiver.

[0014] Optionally, the material of the laundry in the washing tub is determined according to a wavelength difference value, the wavelength difference value being an absolute value of a difference between a wavelength x1 of the first light signal and a wavelength x2 of the second light signal.

[0015] When the wavelength difference value is greater than or equal to 5 and less than or equal to 20, the material of the laundry is chemical fiber; and / or,

[0016] When the wavelength difference value is greater than 20 and less than or equal to 40, the material of the laundry is polyester fiber; and / or,

[0017] When the wavelength difference value is greater than 40 and less than or equal to 60, the material of the laundry is silk; and / or,

[0018] When the wavelength difference value is greater than 60 and less than or equal to 75, the material of the laundry is cotton and hemp.

[0019] Optionally, in the material detection process, the first light signal emitted by the light signal generator towards the laundry and the second light signal received by the light signal receiver are used to determine the material of the laundry in the washing tub, including:

[0020] In the material detection process, the material of the laundry in the washing tub is determined according to the wavelength of the second light signal when the wavelength of the first light signal is fixed.

[0021] Optionally, the washing stage has a high-foam stage and a defoaming stage executed in time sequence.

[0022] Optionally, the controlling the laundry treating apparatus to perform the material detection process in the high-foam stage includes:

[0023] In the high-foam stage, the controlling the laundry treating apparatus to perform the material detection process in the case that the washing tub has the detergent generated foam and the laundry is attached with the foam;

[0024] In the defoaming stage, the controlling the laundry treating apparatus to perform the material detection process in the case that the washing tub has the detergent generated foam and the laundry is attached with the foam.

[0025] Optionally, in the high-foam stage, the determining the material of the laundry in the washing tub according to at least the first light signal emitted by the light signal emitting member towards the laundry and the second light signal received by the light signal receiving member includes:

[0026] determining the material of the laundry in the washing tub according to a wavelength difference value, the wavelength difference value being an absolute value of a difference between a wavelength x1 of the first light signal and a wavelength x2 of the second light signal; and / or,

[0027] In the defoaming stage, the determining the material of the laundry in the washing tub according to at least the first light signal emitted by the light signal emitting member towards the laundry and the second light signal received by the light signal receiving member includes:

[0028] determining the material of the laundry in the washing tub according to the wavelength difference value and a qualitative parameter, the qualitative parameter including at least one of a defoaming speed in a set time length and a motor current change slope, the wavelength difference value and the qualitative parameter and the material of the laundry having a correlation relationship, the motor being a driving motor of the washing tub.

[0029] Optionally, in the high-foam stage, the washing tub is operated at a first operating power for a first time period;

[0030] In the defoaming stage, the washing tub is operated at a second operating power, and the washing tub is alternately forward and reverse rotated at a first rotating speed,

[0031] wherein the first operating power is greater than the second operating power.

[0032] According to a second aspect of the embodiments of the present application, an electronic device is provided, including a memory and a controller, the memory is used to store a computer program; the processor is used to execute the computer program to realize the steps of the control method in any one of the claims.

[0033] According to a third aspect of the embodiments of the present application, a laundry treating apparatus is provided, which has a washing tub to accommodate laundry, and further includes a detection assembly provided on an inner wall of the washing tub, the detection assembly including a light signal emitting member and a light signal receiving member, the laundry treating apparatus being configured to perform the control method according to any one of the above-described aspects, or including the electronic device according to any one of the above-described aspects.

[0034] Optionally, the washing tub is configured in a cylindrical shape, and a plurality of lifting ribs are provided on the inner wall of the washing tub and extend along an axial direction of the washing tub, the lifting ribs being arranged at intervals in a circumferential direction of the washing tub.

[0035] The light signal emitting member and the light signal receiving member of the detection assembly are respectively provided on two adjacent lifting ribs and are oppositely arranged.

[0036] Compared with the prior art, the scheme provided by the present application has the following beneficial effects:

[0037] According to the above technical scheme, the material detection process can be performed during the execution of the washing phase of the laundry treating apparatus. During the material detection process, the light signal emitting member can emit a first light signal toward the laundry. When the first light signal passes through the laundry and the foam attached to the laundry, the first light signal will change due to the transmission phenomenon when passing through the foam, and the changed first light signal is received by the light signal receiving member and forms a second light signal. Due to the difference in material of the laundry, the shape and amount of the foam attached to the laundry are different. When the first light signal passes through the foam on the laundry made of different materials, the first light signal will also change to different degrees. Therefore, according to the first light signal and the second light signal, the material of the laundry in the washing tub can be determined during the washing phase. In this way, after the laundry treating apparatus washes the laundry, and still needs to perform the rinsing and care processes, etc., the laundry treating apparatus can directly determine the specific execution mode of the process according to the determined material of the laundry. While ensuring that the laundry is properly treated and avoiding damage to the laundry, the user no longer needs to manually determine the specific execution mode of the process according to the material of the laundry, so that the operation of the laundry treating apparatus is more convenient, and the user experience is ensured. At the same time, through the first light signal and the second light signal, the automatic identification of the material of the laundry can be realized, so that the laundry treating apparatus is more automated, and the use of the laundry treating apparatus is further facilitated.

[0038] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1is a flow chart of a control method provided by an embodiment of the present application;

[0040] Figure 2 is a flow chart of another control method provided by an embodiment of the present application;

[0041] Figure 3 is a schematic view of a light signal detection piece located on an inner wall of a clothes treatment drum according to an embodiment of the present application.

[0042] In the figure: 1, lifting rib; 11, accommodating groove; 2, light signal detection piece (detection assembly); 21, emitter (light signal generation piece); 22, receiver (light signal receiving piece). DETAILED DESCRIPTION

[0043] In order to enable persons skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by persons skilled in the art without creative work should fall within the scope of protection of the present application.

[0044] It should be understood that "multiple" referred to herein means two or more. In the description of the embodiments of the present application, unless otherwise specified, " / " represents the meaning of or, for example, A / B can represent A or B; "and / or" herein is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B can represent the three cases of A alone, A and B together, and B alone. In addition, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, the same items or similar items with basically the same functions and effects are distinguished by "first", "second", etc. The skilled in the art can understand that "first", "second", etc. do not limit the quantity and execution order, and "first", "second", etc. also do not necessarily mean different.

[0045] In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0046] According to a first aspect of the embodiments of the present disclosure, as Figure 1 and Figure 2As shown, a control method is provided for a laundry treating apparatus having a washing function, the laundry treating apparatus having a washing tub for treating laundry and a detergent, an inner wall of the washing tub being provided with a detection assembly including a light signal generating piece and a light signal receiving piece for receiving a light signal transmitted by the light signal generating piece, the control method including:

[0047] Step S100: controlling the laundry treating apparatus to perform a washing phase. Step S200: in the washing phase, in a case where the washing tub has a foam generated by the detergent inside and the laundry has the foam attached thereto, controlling the detection assembly to perform a material detection process. Step S300: in the material detection process, determining a material of the laundry inside the washing tub according to at least a first light signal emitted by the light signal generating piece toward the laundry and a second light signal received by the light signal receiving piece.

[0048] By the above technical solution, the material detection process can be performed during the washing phase performed by the laundry treating apparatus, in the material detection process, the light signal generating piece can emit the first light signal toward the laundry, the first light signal can pass through the laundry and the foam attached to the laundry when passing through the laundry, the first light signal can change due to the transmission phenomenon when passing through the foam, and the changed first light signal is received by the light signal receiving piece and forms the second light signal. Due to the difference in the material of the laundry, the form and amount of the foam attached to the laundry are different, and the first light signal changes to different degrees when passing through the foam on the laundry with different materials. Therefore, according to at least the first light signal and the second light signal, the material of the laundry inside the washing tub can be determined in the washing phase. In this way, after the laundry treating apparatus washes the laundry and still needs to perform a rinsing and care process on the laundry, the laundry treating apparatus can directly determine the specific execution mode of the process by controlling the process according to the determined material of the laundry. While ensuring that the laundry is properly treated and avoiding damage to the laundry, the user no longer needs to manually determine the specific execution mode of the process according to the material of the laundry, making the operation of the laundry treating apparatus more convenient and ensuring the user experience. At the same time, the automatic identification of the material of the laundry can be realized by the first light signal and the second light signal, making the laundry treating apparatus more automated and further facilitating the use of the laundry treating apparatus.

[0049] In the material detection process, the rotation of the washing tub can be controlled so that one of the light signal generating member and the light signal receiving member is located below the laundry, and the other of the light signal generating member and the light signal receiving member is arranged above the laundry. In this way, by controlling the rotation of the washing tub, it can be ensured that the light signal can pass through the laundry and the foam attached to the laundry, so as to more accurately receive and analyze the change of the first light signal, and improve the accuracy of the material detection of the laundry. Moreover, by controlling the rotation of the washing tub, the positions of the light signal generating member and the light signal receiving member are changed. When the detected second light signal is abnormal, for example, when interference is received, the rotation of the washing tub can be controlled to further adjust the positions of the light signal generating member and the light signal receiving member, and ensure the use of the light signal generating member and the light signal receiving member.

[0050] In some embodiments, step S300 can include step S301 of determining the material of the laundry in the washing tub according to the wavelength difference value, the wavelength difference value being the difference between the wavelength x1 of the first light signal and the wavelength x2 of the second light signal. As described above, when the first light signal passes through the foam, the first light signal changes due to the transmission phenomenon, and the changed first light signal is received by the light signal receiving member and forms the second light signal. Due to the difference in the material of the laundry, the shape and amount of the foam attached to the laundry are different, and when the first light signal passes through the foam on the laundry with different materials, the first light signal also changes to different degrees. Here, the change refers to the change in the wavelength of the light signal. When the first light signal passes through the foam, the wavelength of the first light signal changes due to the transmission and forms the second light signal. The second light signal received by the light signal receiving member can determine the change range of the wavelength of the first light signal by the wavelength difference between the second light signal and the first light signal, and further determine the material of the laundry. The wavelength difference value as an index for judging the material of the laundry is not only simple and intuitive, but also considers the attenuation of the light signal in the propagation process. The wavelength of the light signal is less susceptible to interference from other factors, so that the result of determining the material of the laundry is more stable and reliable.

[0051] In some embodiments, determining the material of the laundry in the washing tub according to the wavelength difference value can include determining the material of the laundry in the washing tub according to a pre-stored correspondence between wavelength difference values and materials of laundry. By establishing a correspondence database between wavelength difference values or wavelengths and materials of laundry, the laundry treatment apparatus can achieve rapid and accurate identification of different materials of laundry while taking into account various variables that can be encountered in actual use. Since the washing tub is constantly rotating during the washing process and the washing environment is also constantly changing, such as water temperature and rotation speed of the washing tub. Therefore, in actual application, the system can quickly match to the most suitable material type according to the detected light signal change, thereby ensuring the accurate execution of subsequent washing, rinsing and care programs. In addition, as the database is constantly improved and updated, the system can also adapt to the detection needs of more new materials and special materials, improving the compatibility and flexibility of the equipment. At the same time, the pre-stored wavelength difference values can be adjusted and optimized according to the actual situation. For example, as new materials continue to emerge and old materials are improved and upgraded, the system can adapt to new detection needs by updating the wavelength difference range. This data-driven material classification method provides intelligent and automated material identification capabilities for laundry treatment equipment.

[0052] In the material detection process, the first light signal emitted by the light signal generating piece towards the clothes and the second light signal received by the light signal receiving piece can include: controlling the light signal generating piece to emit the first light signal towards the light signal receiving piece multiple times, and receiving multiple second light signals corresponding to the first light signals emitted multiple times by the light signal receiving piece through the light signal receiving piece. In this way, the light signal generating piece can emit the first light signal towards the light signal receiving piece multiple times, and correspondingly, the light signal receiving piece can receive the second light signal multiple times, so that multiple wavelength difference values can be obtained. The multiple times of obtaining the wavelength difference value here can refer to that the light signal generating piece and the light signal receiver obtain the wavelength difference value multiple times without changing the position, which helps to exclude possible abnormal data and avoid the influence of interference on the light signal on the accuracy of the clothes material detection, i.e. by multiple times of obtaining the wavelength difference value and judging, the control method in the application can more accurately capture the slight change of the light signal when the foam is worn, thereby reducing the random error and system error that may exist in single measurement. At the same time, the multiple times of obtaining the wavelength difference value here can refer to that the light signal generating piece and the light signal receiver obtain the wavelength difference value multiple times with the position changing constantly, which increases the coverage range of the light signal generating piece and the light signal receiver, so that the light signal generating piece and the light signal receiver can detect more positions. When there are many clothes in the washing tub, multiple times of obtaining the wavelength difference value can more accurately obtain the material of the clothes in the washing tub, and avoid that clothes of a certain material are not detected. Therefore, the design of multiple times of obtaining the wavelength difference value improves the accuracy of material detection and ensures the stability and reliability of the control system. In practical application, it means that the clothes treatment equipment can more accurately identify the material of the clothes, and further ensure the experience of the user.

[0053] Specifically, when the wavelength difference value is greater than or equal to 5 and less than or equal to 20, the material of the clothes is chemical fiber; when the wavelength difference value is greater than 20 and less than or equal to 40, the material of the clothes is polyester fiber; when the wavelength difference value is greater than 40 and less than or equal to 60, the material of the clothes is silk; when the wavelength difference value is greater than 60 and less than or equal to 75, the material of the clothes is cotton and hemp. By corresponding the wavelength difference value to a specific material range, the control method of the present application can realize the rapid and accurate classification of the material of the clothes. This classification method is not only based on a large amount of experimental data and statistical analysis, but also takes into account the unique performance of the first light signal in the propagation of different types of foam and different amounts of foam. Therefore, in actual application, the system can accurately identify common materials such as chemical fiber, polyester fiber, silk and cotton and hemp, and when the clothes processing equipment further processes the washed clothes, the clothes processing equipment can directly determine the specific execution mode of the program through the control program according to the determined material of the clothes. In addition, this classification method also has a certain flexibility and can be adjusted and optimized according to actual conditions. For example, as new materials continue to emerge and old materials are improved and upgraded, the system can adapt to new detection needs by updating the wavelength difference value range.

[0054] As described above, in determining the material of the clothes, the wavelength difference value needs to be determined, and the wavelength difference value is the difference between the wavelength of the first light signal and the wavelength of the second light signal. Therefore, in some other embodiments, in the material detection process, when the wavelength of the first light signal is fixed, the material of the clothes in the washing tub can be determined according to the wavelength of the second light signal. When the material detection process is performed, since the first light signal emitted by the light signal generator is difficult to be disturbed, when the wavelength of the first light signal is fixed, the material of the clothes can be determined by the wavelength of the second light signal. It should be noted that at this time, the material of the clothes in the washing tub can be determined according to the pre-stored correspondence between the wavelength of the second light signal and the material of the clothes.

[0055] Step S100 can include step S101: controlling the clothes processing equipment to execute a washing phase, which can have a high-foam phase and a defoaming phase executed in time sequence. Subdividing the washing phase into a high-foam phase and a defoaming phase helps to optimize foam management during the washing process. In the high-foam phase, the detergent is fully dissolved and produces abundant foam, which helps to penetrate the fibers of the clothes and remove stains. In the defoaming phase, the foam in the washing tub and on the clothes can be reduced, so that the foam in the washing tub and on the clothes is in a more stable state, further improving the cleaning effect of the foam. This approach not only improves washing efficiency and quality, but also reduces waste of detergent and environmental pollution, and protects the fibers of the clothes from damage. It should be noted that the defoaming phase here is only to partially reduce the amount of foam generated in the high-foam phase, and a certain amount of foam still needs to be attached to the clothes to ensure the washing effect on the clothes.

[0056] Step S200 can be step S201: in the high-foam stage, in the case that the washing tub has the foam generated by the detergent and the laundry is attached with the foam, control the laundry treating apparatus to perform the material detection process; in the defoaming stage, in the case that the washing tub has the foam generated by the detergent and the laundry is attached with the foam, control the laundry treating apparatus to perform the material detection process. The material detection is performed in the high-foam stage and the defoaming stage respectively, which helps to obtain more comprehensive material information. The material detection is performed in the two stages respectively, which can complement and verify each other, and improve the accuracy and reliability of detection. For example, in the case that the material of the laundry detected in the high-foam stage and the defoaming stage is the same, the material of the laundry determined at this time has higher accuracy, and in the case that the material of the laundry detected in the high-foam stage and the defoaming stage is not completely the same, the material determined in the two stages can be used as the final recognition result. Of course, in some embodiments of the present application, the material of the laundry can also be determined according to the recognition result of only one of the high-foam stage and the defoaming stage.

[0057] In the high-foam stage, the washing tub can run at a first running power for a first time period, and in the defoaming stage, the washing tub runs at a second running power, and the washing tub alternately rotates forward and reverses at a first rotating speed, wherein the first running power is greater than the second running power. In the high-foam stage, the higher running power helps the detergent to be fully dissolved and generate abundant foam, so as to deeply remove stains from the fibers of the laundry. While in the defoaming stage, reducing the running power and alternately rotating the washing tub forward and reversely can reduce the generation of foam and promote the breaking and discharge of the foam.

[0058] Optionally, in an embodiment of the present application, in order to more accurately determine the material of the laundry, in the defoaming stage, the material of the laundry in the washing tub can be determined according to the wavelength difference value and a qualitative parameter, the qualitative parameter includes at least one of the defoaming speed and the motor current change slope in the set time period, and there is a correlation between the wavelength difference value, the qualitative parameter and the material of the laundry.

[0059] Specifically, the wavelength difference value refers to the absolute value of the difference between the wavelength x1 of the first light signal and the wavelength x2 of the second light signal detected in the defoaming stage. In some implementations, the wavelength difference value can be periodically collected within the set time period, and the mean or median value of the wavelength difference value within the set time period is used as the wavelength difference value participating in the determination of the material.

[0060] The defoaming speed in the set time period is used to reflect the characteristics of the foam itself, and the motor current change slope refers to the current change slope of the driving motor of the washing tub in the set time period, both of which can be calculated by using conventional methods and techniques, and the embodiments of the present application do not make specific limitations thereto.

[0061] In the embodiment, the material of the laundry can be determined according to any one of the following three correlations: wavelength difference-current change slope-foam removal speed-material of the laundry, wavelength difference-current change slope-material of the laundry, or wavelength difference-foam removal speed-material of the laundry. Based on the disclosure of the present application, those skilled in the art can establish a specific correlation through experiments, and therefore, the present embodiment does not make a specific limitation. For example, the following table can be used to determine the material of the laundry.

[0062] By using the embodiment, the material of the laundry can be determined more accurately and specifically for different detergents, thereby improving the accuracy of the material identification result.

[0063] By using the embodiment, the material result determined in the high-foam stage can be further confirmed or optimized. For example, if the identification result in the foam removal stage is consistent with the identification result in the high-foam stage, the accuracy of the identification result can be improved; if the identification result in the foam removal stage is inconsistent with the identification result in the high-foam stage, the material identified by both stages can be taken as the final identification result, or the identification result in the foam removal stage can be taken as the final result.

[0064] Next, the principle of the embodiment of the present application is briefly explained. In one embodiment of the present application, the light signal can generate transmission after contacting the laundry (dry, or wet, or with foam). When the light signal transmits after contacting the laundry, a transmission parameter value can be obtained.

[0065] Specifically, the transmission parameter value can be a parameter value of the transmitted light signal itself, such as the light transmittance and / or light intensity of the transmitted light signal, or a parameter value obtained by calculating the parameter value of the transmitted light signal itself, such as the light transmittance and / or light intensity of the transmitted light signal. In general, as long as different materials of the laundry can correspond to different transmission parameter values.

[0066] In one embodiment, the preset calculation formula for calculating the transmission parameter value can be a formula containing the wavelength and light intensity of the transmitted light signal, for example, the transmission parameter value b=T%*φ light flux*power factor (related to light intensity), and the light transmittance T%=I (light intensity after transmission attenuation) / I0 (original light intensity)*100%.

[0067] In one embodiment, in order to determine the material of the laundry, a transmission standard value interval is preset, and different transmission standard value intervals correspond to different materials of the laundry, that is, the transmission standard value interval and the material of the laundry have a corresponding relationship.

[0068] Specifically, the transmission standard value interval is a numerical interval composed of transmission standard values. It should be noted that the transmission standard value and the transmission parameter value are values of the same type or obtained by using the same algorithm, and the difference is that the transmission standard value is a parameter value obtained by performing a transmission experiment on the clothes in the case of knowing the clothes material, while the transmission parameter value is a parameter value obtained by performing a transmission experiment on the clothes when actually identifying the clothes material. In order to facilitate understanding, for example, in the test, the transmittance and light intensity of the transmitted light signal are calculated by using formula B to obtain the transmission standard value. After multiple tests on clothes of material b, a numerical interval Q1 can be divided according to all the obtained transmission standard values. In actual identification of the clothes material, the transmittance and light intensity of the transmitted light signal are also calculated by using formula B, that is, the transmission parameter value is obtained. Since the calculation process of the transmission parameter value is the same as that of the transmission standard value, the clothes material of the clothes can be determined according to the transmission parameter value.

[0069] The corresponding relationship between the transmission standard value interval and the clothes material is that each type of clothes material corresponds to a transmission standard value interval, and the transmission standard value intervals corresponding to different types of clothes materials are different. For example, material a corresponds to the transmission standard value interval Q1, which is the corresponding relationship. When the transmission parameter value is located in Q1, it can be determined that the clothes material of the clothes is a.

[0070] According to a second aspect of the embodiment of the present application, an electronic device is provided, which includes a memory and a processor. The memory is configured to store a computer program. The processor is configured to execute the computer program to implement the steps of the control method of any one of the above embodiments. The electronic device has all the beneficial effects of the control method, which will not be repeated here.

[0071] According to a third aspect of the embodiment of the present application, a clothes treatment device is provided, which has a washing tub for accommodating clothes. The clothes treatment device further includes a detection assembly arranged on the inner wall of the washing tub. The detection assembly includes a light signal generating piece and a light signal receiving piece. The clothes treatment device is configured to execute the control method of any one of the above embodiments, or further includes the electronic device described above, and has all the beneficial effects of the control method, which will not be repeated here.

[0072] In some embodiments, the washing tub can be configured in a cylindrical shape, and a plurality of lifting ribs extending along the axial direction of the washing tub are arranged on the inner wall of the washing tub, wherein the light signal generating element and the light signal receiving element in the detection assembly are arranged on two adjacent lifting ribs respectively and oppositely. By arranging the light signal generating element and the light signal receiving element on two adjacent lifting ribs respectively and oppositely, the space structure inside the washing tub is fully utilized, and the stability and accuracy of light signal transmission are ensured. During the washing process, the lifting ribs move with the rotation of the washing tub, further driving the light signal generating element and the light signal receiving element, increasing the coverage range of the light signal generating element and the light signal receiving element, and making the detection of the material of the clothes more accurate.

[0073] Optionally, in an implementation manner of the embodiment, as shown in Figure 3 At least one lifting rib 1 is arranged on the clothes treatment drum, and a containing groove 11 is arranged in the at least one lifting rib 1, and the light signal detection element 2 (i.e., the detection assembly) is located in the containing groove 11.

[0074] The lifting rib 1 extends from the inner wall of the clothes treatment drum to the inside of the clothes treatment drum and has a certain height. The lifting rib 1 can be integrally formed with the clothes treatment drum or connected to the inner wall of the clothes treatment drum by welding, screwing or the like. For ease of understanding, along the extension direction of the lifting rib 1, the face of the lifting rib 1 close to the center of the inside of the clothes treatment drum is the upper end face of the lifting rib 1, and the containing groove 11 is arranged from the upper end face to the inner wall direction of the clothes treatment drum.

[0075] In this implementation manner, the containing groove 11 is arranged in the lifting rib 1 for installing the light signal detection element 2, so that the light signal detection element 2 is not easy to be entangled with the clothes in the clothes treatment drum, thereby preventing the light signal detection element 2 from affecting the movement of the clothes in the clothes treatment drum. Meanwhile, the light signal detection element 2 is located in the lifting rib 1 and can change the distance between the light signal detection element 2 and the clothes according to the position change of the lifting rib 1, which is beneficial to improve the detection of the clothes by the light signal detection element 2 and improve the detection quality.

[0076] Optionally, in an implementation manner of the embodiment, the light signal detection element 2 includes an emitter 21 (i.e., the light signal generating element) and a receiver 22 (i.e., the light signal receiving element), and the emitter 21 and the receiver 22 are arranged in the containing groove 11 in a parallel paving manner. The emitter 21 is used for emitting incident light signals into the clothes treatment drum, and the receiver 22 is used for receiving reflected light signals reflected by the clothes in the clothes treatment drum after the clothes reflect the incident light signals.

[0077] Optionally, in one implementation form of the embodiment, the emitter 21 and the receiver 22 are arranged in sequence and parallel to each other along the rotation direction of the clothes treatment drum. The end surface of the emitter 21 and the receiver 22 is spaced apart from the upper end surface of the lifting rib 1 by a distance. The distance is, for example, 20 mm or 15 mm, which is not limited in the implementation form, and is intended to improve the detection accuracy of the light signal detection member 2 by setting the distance.

[0078] By using the embodiment, the light signal detection member 2 is installed by setting a distance, so that when the clothes cover the upper end surface of the lifting rib 1, there is still a distance between the clothes and the light signal detection member 2, which helps to improve the detection quality of the light signal detection member 2.

[0079] Optionally, in one implementation form of the embodiment, the lifting rib 1 is provided with a cover plate for covering the accommodation groove 11, and the cover plate is made of waterproof and light-transmitting material. By using the implementation form, the accommodation groove 11 is sealed by setting the cover plate, so that the water in the clothes treatment drum enters the accommodation groove 11, thereby protecting the light signal detection member 2 from water and improving the service life of the light signal detection member 2.

[0080] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A control method for a laundry treating apparatus having a washing function, the control method comprising: determining whether a laundry treating apparatus is in a washing mode; and controlling a washing course of the laundry treating apparatus based on a result of the determining. The laundry treating apparatus has a washing tub for treating laundry and detergent, an inner wall of the washing tub is provided with a detection assembly including a light signal emitting piece and a light signal receiving piece for receiving a light signal transmitted by the light signal emitting piece, and the control method includes: controlling the laundry treating apparatus to perform a washing phase; in the washing phase, in a case where the washing tub has a detergent generated foam inside and the laundry has the foam attached thereto, controlling the detection assembly to perform a material detection process; in the material detection process, determining a material of the laundry in the washing tub according to at least a first light signal emitted by the light signal emitting piece toward the laundry and a second light signal received by the light signal receiving piece; in the material detection process, controlling the washing tub to rotate so that one of the light signal emitting piece and the light signal receiving piece is located below the laundry and the other of the light signal emitting piece and the light signal receiving piece is arranged above the laundry; the determining of the material of the laundry in the washing tub according to at least the first light signal emitted by the light signal emitting piece and the second light signal received by the light signal receiving piece includes: determining the material of the laundry in the washing tub according to a wavelength difference value, the wavelength difference value being an absolute value of a difference between a wavelength x1 of the first light signal and a wavelength x2 of the second light signal.

2. The control method according to claim 1, characterized by, the determining of the material of the laundry in the washing tub according to the wavelength difference value includes: determining the material of the laundry in the washing tub according to a correspondence between the wavelength difference value and the material of the laundry which is stored in advance.

3. The control method according to claim 1, characterized by, the determining of the material of the laundry in the washing tub according to the first light signal emitted by the light signal emitting piece toward the laundry and the second light signal received by the light signal receiving piece in the material detection process includes: controlling the light signal emitting piece to emit the first light signal toward the light signal receiving piece for multiple times, and receiving, by the light signal receiving piece, multiple second light signals corresponding to the first light signal emitted by the light signal receiving piece for multiple times.

4. The control method according to any one of claims 1 to 3, characterized by, the determining of the material of the laundry in the washing tub according to the wavelength difference value includes: when the wavelength difference value is greater than or equal to 5 and less than or equal to 20, the material of the laundry is chemical fiber; and / or, when the wavelength difference value is greater than 20 and less than or equal to 40, the material of the laundry is polyester fiber; and / or, when the wavelength difference value is greater than 40 and less than or equal to 60, the material of the laundry is silk; and / or, when the wavelength difference value is greater than 60 and less than or equal to 75, the material of the laundry is cotton and hemp.

5. The control method according to claim 1, characterized by, the determining of the material of the laundry in the washing tub according to the first light signal emitted by the light signal emitting piece toward the laundry and the second light signal received by the light signal receiving piece in the material detection process includes: in the material detection process, in a case where a wavelength of the first light signal is fixed, determining the material of the laundry in the washing tub according to a wavelength of the second light signal.

6. The control method according to claim 1, characterized in that, The washing stage has a high-foaming stage and a defoaming stage executed in time sequence; The control of the laundry treating apparatus to execute the material detection process in the washing stage comprises: In the high-foaming stage, the control of the laundry treating apparatus to execute the material detection process, and / or, In the defoaming stage, the control of the laundry treating apparatus to execute the material detection process.

7. The control method according to claim 6, wherein In the high-foaming stage, the determination of the material of the laundry in the washing tub according to at least the first light signal emitted by the light signal emitter towards the laundry and the second light signal received by the light signal receiver comprises: determining the material of the laundry in the washing tub according to a wavelength difference value, the wavelength difference value being an absolute value of a difference between a wavelength x1 of the first light signal and a wavelength x2 of the second light signal; and / or, In the defoaming stage, the determination of the material of the laundry in the washing tub according to at least the first light signal emitted by the light signal emitter towards the laundry and the second light signal received by the light signal receiver comprises: determining the material of the laundry in the washing tub according to the wavelength difference value and a qualitative parameter, the qualitative parameter comprising at least one of a defoaming speed within a set time length and a motor current change slope, the wavelength difference value and the qualitative parameter having a correlation with the material of the laundry, the motor being a driving motor of the washing tub.

8. The control method according to claim 6 or 7, wherein In the high-foaming stage, the washing tub is operated at a first operating power for a first time period; In the defoaming stage, the washing tub is operated at a second operating power, and the washing tub is alternately rotated in positive and reverse directions at a first rotating speed, wherein the first operating power is greater than the second operating power.

9. An electronic device, comprising: An electronic device comprising a memory for storing a computer program; and a processor for executing the computer program to implement the steps of the control method according to any one of claims 1-8. 10.A laundry treating apparatus, characterized by, The laundry treating apparatus has a washing tub for accommodating laundry, and further comprises a detection assembly arranged on an inner wall of the washing tub, the detection assembly comprising a light signal emitter and a light signal receiver, the laundry treating apparatus being configured to execute the control method according to any one of claims 1-8, or comprising the electronic device according to claim 9. 11.The laundry treating apparatus of claim 10, wherein, The washing tub is configured in a cylindrical shape, and a lifting rib extending along an axial direction of the washing tub is arranged on the inner wall of the washing tub, the lifting rib being arranged with a plurality of lifting ribs and being arranged at intervals in a circumferential direction of the washing tub, wherein the light signal emitter and the light signal receiver in the detection assembly are respectively arranged on two adjacent lifting ribs and are arranged oppositely.

Citation Information

Patent Citations

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