Clothes dry-wet state detection method and device, clothes care machine and storage medium

Abstract

The embodiment of the application discloses a clothes dry-wet state detection method and device, a clothes care machine and a storage medium. The technical scheme provided by the embodiment of the application comprises the following steps: obtaining echo signals received by an open ultrasonic transceiver within a preset time length, the echo signals being signals reflected by an obstacle after ultrasonic signals transmitted by the open ultrasonic transceiver; determining a first pulse number and a second pulse number; and determining a dry-wet state of clothes placed in a corresponding area of the open ultrasonic transceiver according to the first pulse number and the second pulse number. By using the above technical means, the dry-wet state of the clothes in the corresponding area can be accurately determined, the misjudgment of the dry-wet state of the clothes can be avoided, and the clothes state detection accuracy of the clothes care machine is improved.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of ultrasonic detection, and in particular to a clothes dry-wet state detection method and device, a clothes care machine, and a storage medium. BACKGROUND

[0002] When the clothes care machine is performing clothes care, the dry-wet state of the clothes in the machine box is determined, and when the clothes are subjected to care operations such as wrinkle removal, drying, odor removal, and sterilization, the running time of the clothes drying program can be adaptively selected to intelligently adjust to the optimal clothes care effect and improve user experience.

[0003] Currently, the clothes care machine detects the dry-wet state of the clothes by setting a temperature and humidity sensor in the machine box. The temperature and humidity sensor detects the temperature and humidity of the air in the box and estimates the dry-wet state of the clothes in the box.

[0004] However, the method of detecting the temperature and humidity of the air using a temperature and humidity sensor and then estimating the dry-wet state of the clothes has relatively low accuracy in detecting the dry-wet state of the clothes, which can easily lead to misjudgment of the dry-wet state of the clothes and affect the clothes care effect. SUMMARY

[0005] Embodiments of the present application provide a clothes dry-wet state detection method and device, a clothes care machine, and a storage medium, which can improve the accuracy of clothes dry-wet state detection and solve the technical problem of low accuracy of clothes dry-wet state detection in existing clothes care machines.

[0006] In a first aspect, embodiments of the present application provide a clothes dry-wet state detection method applied to a clothes care machine including an open ultrasonic transceiver. Specifically, the clothes dry-wet state detection method includes: obtaining echo signals received by the open ultrasonic transceiver within a preset time period (the echo signal is the signal reflected by an obstacle after the ultrasonic signal sent by the open ultrasonic transceiver); then determining a first pulse number and a second pulse number, wherein the first pulse number is the number of echo signals detected in a first specified sub-time period, and the second pulse number is the number of echo signals detected in a second specified sub-time period, and the preset time period includes the first specified sub-time period and the second specified sub-time period; and then determining the dry-wet state of the clothes placed in the region corresponding to the open ultrasonic transceiver according to the first pulse number and the second pulse number.

[0007] It can be seen that the scheme provided by the embodiment of the application is based on the different attenuation characteristics of dry and wet clothes to ultrasonic signals, uses the correspondence between the number of pulse signals of a specified sub-time length in the echo signals reflected by clothes in different dry and wet states and the dry and wet states of the clothes, determines the number of pulses contained in the echo signals received in a preset time length, and determines the dry and wet states of the clothes in the corresponding area according to the number of pulses. In this way, the situation of misjudgment of the dry and wet states of the clothes can be avoided, and the detection accuracy of the clothes state of the clothes care machine is improved.

[0008] Further, since the detection accuracy of the dry and wet states of the clothes is effectively improved, in subsequent clothes care, the running time (such as the running time of the drying program) of the clothes care machine can be adaptively adjusted according to the accurately detected dry and wet states of the clothes, the running time of the clothes care machine is accurately adjusted, energy waste caused by the clothes care machine running for too long is avoided, the energy efficiency management effect of the clothes care machine is optimized, and the user experience is optimized.

[0009] In a possible design, the above-mentioned "determining the dry and wet states of the clothes placed in the corresponding area of the open ultrasonic transceiver according to the first pulse number and the second pulse number" includes:

[0010] determining the size relationship between the first pulse number and the first pulse number threshold value and the size relationship between the second pulse number and the second pulse number threshold value; and determining the dry and wet states of the clothes placed in the corresponding area of the open ultrasonic transceiver according to the determined size relationship.

[0011] In a possible design, the above-mentioned "determining the dry and wet states of the clothes placed in the corresponding area of the open ultrasonic transceiver according to the determined size relationship" includes:

[0012] in a case where the first pulse number is greater than the first pulse number threshold value and the second pulse number is greater than the second pulse number threshold value, determining that the clothes placed in the corresponding area of the open ultrasonic transceiver are in a first state; and in a case where the first pulse number is less than the first pulse number threshold value or the second pulse number is less than the second pulse number threshold value, determining that the clothes placed in the corresponding area of the open ultrasonic transceiver are in a second state.

[0013] In a possible design, the clothes dry and wet state detection method further includes, after determining the dry and wet states of the clothes placed in the corresponding area of the open ultrasonic transceiver:

[0014] determining the running time of the associated program of the clothes care machine in the corresponding area of the open ultrasonic transceiver according to a mapping relationship between different dry and wet states and the running time of the associated program of the clothes care machine.

[0015] In a possible design, the clothes dry-wet state detection method further includes, before the step of obtaining the echo signals received by the open ultrasonic transceiver within the preset time length, the following steps:

[0016] controlling the open ultrasonic transceiver to send the ultrasonic signal, and the starting moment of the preset time length being the ending moment of the sending of the ultrasonic signal.

[0017] In a second aspect, the embodiments of the present application provide a clothes dry-wet state detection device, applied to a clothes care machine including an open ultrasonic transceiver, and specifically, the clothes dry-wet state detection device includes: an obtaining module, configured to obtain echo signals received by the open ultrasonic transceiver within a preset time length (the echo signals being signals reflected by an obstacle after the open ultrasonic transceiver sends an ultrasonic signal); a detection module, configured to determine a first pulse quantity and a second pulse quantity, wherein the first pulse quantity is a quantity of the echo signals detected in a first specified sub-time length, the second pulse quantity is a quantity of the echo signals detected in a second specified sub-time length, and the preset time length includes the first specified sub-time length and the second specified sub-time length; and a state determination module, configured to determine a dry-wet state of clothes placed in a region corresponding to the open ultrasonic transceiver according to the first pulse quantity and the second pulse quantity.

[0018] In a possible design, the state determination module is specifically configured to:

[0019] determine a size relationship between the first pulse quantity and a first pulse quantity threshold value, and a size relationship between the second pulse quantity and a second pulse quantity threshold value; and determine the dry-wet state of the clothes placed in the region corresponding to the open ultrasonic transceiver according to the determined size relationships.

[0020] In a possible design, the state determination module is specifically configured to:

[0021] in a case where the first pulse quantity is greater than the first pulse quantity threshold value and the second pulse quantity is greater than the second pulse quantity threshold value, determine that the clothes placed in the region corresponding to the open ultrasonic transceiver are in a first state; and in a case where the first pulse quantity is less than the first pulse quantity threshold value or the second pulse quantity is less than the second pulse quantity threshold value, determine that the clothes placed in the region corresponding to the open ultrasonic transceiver are in a second state.

[0022] In a possible design, the state determination module is further configured to:

[0023] determine an associated program running time length of the region corresponding to the open ultrasonic transceiver according to a mapping relationship between different dry-wet states and associated program running time lengths of the clothes care machine.

[0024] In a possible design, the obtaining module is further configured to:

[0025] The open ultrasonic transceiver is controlled to send an ultrasonic signal, and a preset time length of an originating time is an ending time of sending of the ultrasonic signal.

[0026] In a third aspect, an embodiment of the present application provides a clothes care machine, comprising:

[0027] An open ultrasonic transceiver, a memory and one or more processors, the open ultrasonic transceiver being connected to the processor;

[0028] The memory is configured to store computer execution instructions;

[0029] The processor is configured to invoke the computer execution instructions and control operation of the open ultrasonic transceiver, so that when the clothes care machine is running, the computer execution instructions are executed to implement the clothes dry-wet state detection method according to the first aspect.

[0030] In a fourth aspect, an embodiment of the present application provides a computer readable storage medium, comprising computer instructions, when the computer instructions are running on the clothes care machine, the clothes care machine is caused to execute the clothes dry-wet state detection method according to the first aspect.

[0031] In a fifth aspect, an embodiment of the present application provides a computer program product, the computer program product comprising computer instructions, when the computer instructions are running on the clothes care machine, the clothes care machine is caused to execute the clothes dry-wet state detection method according to the first aspect and any possible design manner thereof.

[0032] The specific description of the second aspect to the fifth aspect and various implementation manners thereof in the embodiments of the present application can refer to the detailed description in the first aspect and various implementation manners thereof; and the beneficial effects of the second aspect to the fifth aspect and various implementation manners thereof can refer to the beneficial effect analysis in the first aspect and various implementation manners thereof, which will not be repeated here.

[0033] These aspects or other aspects of the embodiments of the present application will be more apparent in the following description. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 is a clothes care machine structure schematic diagram in the embodiments of the present application;

[0035] Figure 2 is a connection schematic diagram of a clothes dry-wet state detection device and an ultrasonic plate in the embodiments of the present application;

[0036] Figure 3 is a flowchart of a clothes dry-wet state detection method provided by the embodiments of the present application;

[0037] Figure 4 is an echo signal schematic diagram in the embodiments of the present application;

[0038] Figure 5 is another echo signal schematic diagram in the embodiment of the present application;

[0039] Figure 6 is a clothes wet-dry state detection flowchart of the clothes care machine in the embodiment of the present application;

[0040] Figure 7 is a wet-dry state determination flowchart in the embodiment of the present application;

[0041] Figure 8 is a structural schematic diagram of a clothes wet-dry state detection device provided by the embodiment of the present application;

[0042] Figure 9 is a structural connection schematic diagram of a clothes care machine provided by the embodiment of the present application. DETAILED DESCRIPTION

[0043] In order to make the objects, technical solutions and advantages of the present application clearer, the specific embodiments of the present application are further described in detail below in combination with the drawings. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, but not all the contents. Before discussing the example embodiments in more detail, it should be mentioned that some example embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe the operations (or steps) as sequential processes, many of the operations can be implemented in parallel, concurrently or simultaneously. In addition, the order of the operations can be rearranged. The processes can be terminated when the operations are completed, but can also have additional steps not included in the drawings. The processes can correspond to methods, functions, procedures, subroutines, subprograms, etc.

[0044] It should be noted that, in the present application, the relationship terms such as first and second are only used to distinguish one entity or operation or object from another entity or operation or object, but do not necessarily require or imply any such actual relationship or order between the entities or operations or objects. For example, the "first" and "second" of the first touch operation and the second touch operation are used to distinguish the interactive operations of touching the screen cover plate at two different times. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, in the description of the present application, "multiple" means two or more, unless otherwise specified. "And / or" describes the association between the associated objects, which means that there can be three relationships, for example, A and / or B can represent the following three cases: A exists alone, A and B exist together, and B exists alone. The character " / " generally represents that the associated objects before and after are in an "or" relationship.

[0045] The clothes dry-wet state detection method provided by the application is based on the attenuation characteristics of ultrasonic echo signals of clothes in different dry-wet states, and the number of pulses contained in different sub time lengths of echo signals is detected, and the corresponding relationship between the number of pulse signals of a specified sub time length in the reflected echo signals of clothes in different dry-wet states and the dry-wet state of clothes is used to accurately determine the dry-wet state of clothes placed in the corresponding area of the open ultrasonic transceiver, thereby improving the accuracy and efficiency of clothes dry-wet state detection.

[0046] The ultrasonic signal is a part of a sound wave, which is a sound wave with a frequency higher than 20KHZ and cannot be heard by human ears. It is generated by the vibration of matter and can only propagate in a medium. When the ultrasonic signal encounters an obstacle during propagation, it will be reflected back to the open ultrasonic transceiver. This part of the signal is the echo signal. The application embodiment receives this part of the echo signal and uses the corresponding relationship between the number of pulse signals of a specified sub time length in the reflected echo signals of clothes in different dry-wet states and the dry-wet state of clothes to accurately detect the dry-wet state of clothes in the corresponding area.

[0047] The clothes dry-wet state detection method provided by the application embodiment is mainly applied to a clothes care machine. Figure 1 The structure of the clothes care machine is shown in the figure. As shown in Figure 1 The ultrasonic plate 11 and the clothes hanger 12 are arranged in the inner tank of the box body of the clothes care machine, and the clothes hanger 12 is used to hang clothes. When the clothes care machine is running, the clothes are hung on the clothes hanger 12, and the clothes care operation is performed by using the spraying, drying and other devices arranged in the inner tank of the box body, so as to realize the clothes care function of the clothes care machine.

[0048] The ultrasonic plate 11 is provided with a plurality of groups of open ultrasonic transceivers. In actual application, the ultrasonic plate 11 can be installed at the back plate inside the closed box body. The ultrasonic plate 11 can be installed at the back plate inside the closed box body (i.e. installed on the opposite side of the door plate); it can also be arranged at the top of the closed box body, it can also be arranged at the bottom of the closed box body, and it can also be arranged on the door plate. The specific arrangement position of the application embodiment is not limited. Figure 1 The position of the ultrasonic plate 11 shown in the figure is taken as an example of the back plate inside the closed box body.

[0049] Each open ultrasonic transceiver can include a transmitting probe 111 and a receiving probe 112, which are arranged at positions corresponding to the arrangement position of the clothes hanger 12, so as to transmit ultrasonic signals through the open ultrasonic transceiver corresponding to the clothes hanger 12, and then detect the dry-wet state of clothes through the echo signal.

[0050] Exemplarily, the open ultrasonic transceiver is mounted at the back plate inside the closed box body, and the height is two centimeters below the clothes hanger. In this way, echo signal detection can be performed on clothes of different lengths, and the detection effect of the dry and wet state of the clothes is optimized.

[0051] In actual application, according to the actual hardware configuration of the clothes care machine, a set of open ultrasonic transceivers can be set for each clothes hanger 12, so as to realize the ultrasonic signal transmission and echo signal reception of the open ultrasonic transceiver corresponding to the clothes dry and wet state detection area, and improve the accuracy of determining the dry and wet state of the clothes.

[0052] Of course, the setting position of the open ultrasonic transceiver can also be adjusted adaptively according to different clothes dry and wet state detection scenes to accurately perform signal transmission and reception on the clothes dry and wet state detection area.

[0053] Each open ultrasonic transceiver in the embodiment of the application is connected with a processor in the clothes care machine. Figure 2 The connection mode of each open ultrasonic transceiver with the processor in the clothes care machine is shown. Referring to Figure 2 Taking a clothes care machine including three open ultrasonic transceivers (such as open ultrasonic transceiver 1, open ultrasonic transceiver 2, and open ultrasonic transceiver 3) as an example, the processor connects the transmitting probe Tx1 of the open ultrasonic transceiver 1 through the port Tx1-io, and connects the receiving probe Rx1 of the open ultrasonic transceiver 1 through the port Rx1-io; the processor connects the transmitting probe Tx2 of the open ultrasonic transceiver 2 through the port Tx2-io, and connects the receiving probe Rx2 of the open ultrasonic transceiver 2 through the port Rx2-io; the processor connects the transmitting probe Tx3 of the open ultrasonic transceiver 3 through the port Tx3-io, and connects the receiving probe Rx3 of the open ultrasonic transceiver 3 through the port Rx1-io.

[0054] When detecting the dry and wet state of the clothes, the clothes dry and wet state detection device sends a pulse signal to the transmitting probe of the corresponding open ultrasonic transceiver, so that the ultrasonic probe sends an ultrasonic signal to its detection area, and then the echo signal of the ultrasonic signal is received through the receiving probe of the ultrasonic transceiver, and whether there is clothes in the area corresponding to the current open ultrasonic transceiver is analyzed and determined based on the echo signal.

[0055] The following will be described with reference to the accompanying drawings. Figure 1 And Figure 2 The clothes dry and wet state detection method provided in the embodiment of the application is described.

[0056] Figure 3A flowchart of a clothes dry-wet state detection method provided in Embodiment One of the present application is given. The clothes dry-wet state detection method provided in this embodiment can be executed by a clothes dry-wet state detection device. The clothes dry-wet state detection device can be realized by software and / or hardware. The clothes dry-wet state detection device can be the clothes care machine described above, can be the processor in the clothes care machine, or can be the control module in the clothes care machine for detecting the dry-wet state of clothes.

[0057] The clothes dry-wet state detection method is described below by taking the clothes dry-wet state detection device as an example. Referring to Figure 3 , the clothes dry-wet state detection method specifically includes:

[0058] S110, obtaining echo signals received by the open ultrasonic transceiver within a preset time length, the echo signals being signals reflected by obstacles after the ultrasonic signals sent by the open ultrasonic transceiver.

[0059] When detecting the dry-wet state of clothes, the clothes dry-wet state detection device sends a pulse signal to the sending probe of the open ultrasonic transceiver arranged corresponding to the area currently needed to be detected, so as to make the sending probe emit ultrasonic signals in the area currently needed to be detected.

[0060] When the ultrasonic signals propagate in the area, they will be reflected as echo signals to the open ultrasonic transceiver when encountering obstacles, and then the echo signals are received by the receiving probe of the open ultrasonic transceiver. The clothes dry-wet state detection device can further analyze and process the echo signals of the ultrasonic signals to determine the dry-wet state of clothes placed in the current detection area.

[0061] It should be noted that, because the attenuation effects of dry clothes and wet clothes on ultrasonic signals are different during the transmission of ultrasonic signals, the number of pulse signals in the signal waveform of the reflected echo signals is also different. Based on this attenuation characteristic of dry-wet clothes on ultrasonic signals, the received echo signals are detected for two specified sub-time lengths of pulse signals, and the dry-wet state of clothes can be determined according to different pulse numbers.

[0062] Specifically, as Figure 4As shown in the scenario where the clothes 13 are hung on the clothes hanger 12 corresponding to the detection area of the open ultrasonic transceiver, the ultrasonic signal emitted by the transmitting probe 111 of the open ultrasonic transceiver will be reflected as a return signal to the open ultrasonic transceiver when encountering the clothes 13 in the propagation path, and this part of the return signal is received by the receiving probe 112. Moreover, the waveform characteristics of the return signal corresponding to the clothes hung in dry and wet states on the clothes hanger 12 are different. That is, the number of pulse signals with a specified time length contained in the reflected return signal waveform of the clothes in dry and wet states is different.

[0063] On the other hand, as Figure 5 As shown in the scenario where the clothes 13 are hung on the clothes hanger 12 corresponding to the detection area of the open ultrasonic transceiver, the ultrasonic signal emitted by the transmitting probe 111 of the open ultrasonic transceiver will be reflected as a return signal to the open ultrasonic transceiver when encountering the clothes 13 in the propagation path, and this part of the return signal is received by the receiving probe 112. Moreover, the waveform characteristics of the return signal corresponding to the clothes hung in dry and wet states on the clothes hanger 12 are different. That is, the number of pulse signals with a specified time length contained in the reflected return signal waveform of the clothes in dry and wet states is different.

[0064] It can be understood that, during the propagation of the ultrasonic signal in the corresponding area of the clothes care machine inner tank, the open ultrasonic transceiver will receive return signals with different signal characteristics at different time periods after the return signals are reflected by different obstacles (such as clothes or inner tank wall). Moreover, according to the two cases of whether there are clothes in the corresponding area, the signal characteristics of the return signal returned by the inner tank wall of the box are also different due to the interference of different obstacles. Therefore, based on this principle, the return signal can also be obtained for analysis and processing, and then the presence or absence of clothes in the detection area of the open ultrasonic transceiver can be determined according to the different signal characteristics of the return signal.

[0065] It should be noted that, generally speaking, after the open ultrasonic transceiver emits an ultrasonic signal, the return signal reflected by the clothes will first reach the receiving probe of the open ultrasonic transceiver. The return time of the return signal returned by the inner tank wall of the ultrasonic signal is relatively long. Therefore, in order to completely obtain the return signal of the ultrasonic signal for effective clothes dry and wet state detection, the effective detection period of the return signal needs to be set according to the depth of the inner tank of the box. Subsequently, when the clothes dry and wet state detection device obtains the return signal received by the receiving probe, the return signal is detected according to the effective detection period.

[0066] The effective detection period needs to be proportional to the depth of the inner tank of the clothes care machine.

[0067] It can be understood that the longer the liner depth is, the later the echo signal reflected by the liner wall surface is received by the receiving probe. That is, after the open ultrasonic transceiver sends an ultrasonic signal, the echo signal returned by the liner wall surface is received at the latest. In order to avoid detection abnormalities, an effective detection period needs to be set according to the depth of the liner in the box, and echo signal detection is performed based on the effective detection period. If no echo signal is received within the effective detection period after the ultrasonic signal is sent, it is proved that the current echo signal appears in the case of detection abnormality.

[0068] Optionally, the open ultrasonic transceiver is adopted as the sending and receiving device of the ultrasonic signal in the embodiment of the application. The open ultrasonic transceiver has the characteristics of convergent sending waveform, small angle, small aftershock and long range, which can effectively avoid unnecessary signal interference and realize accurate point detection of the ultrasonic signal.

[0069] Since multiple hangers can be arranged in the clothes care machine, different open ultrasonic transceivers need to be arranged on different hangers to realize clothes dry-wet state detection in the corresponding area. In order to reduce direct signal interference between different detection areas, the open ultrasonic transceiver is adopted to make the emission direction of the ultrasonic signal sent by the open ultrasonic transceiver concentrated, reduce the echo signal generated outside the detection area, and further reduce the reception interference of the echo signal, thereby optimizing the clothes detection effect.

[0070] Optionally, the clothes dry-wet state detection device controls the open ultrasonic transceiver to send an ultrasonic signal before monitoring the echo signal received by the open ultrasonic transceiver within a preset time period. The starting time of the preset time period is the end time of the ultrasonic signal sending. By sending a set number and a set frequency of pulse signals to the sending probe, the sending probe sends an ultrasonic signal to the corresponding detection channel. After sending the last pulse signal, the receiving probe starts to monitor the echo signal received within the preset time period. According to the actual clothes dry-wet state detection requirement, the set number and the set frequency of the pulse signal sending can be adaptively set.

[0071] For example, when the clothes dry-wet state detection is performed, the clothes dry-wet state detection device sends 8 pulse signals of 40KHz to the sending probe, so as to generate an ultrasonic signal. The 8 pulse signals of 40KHz are the set number and the set frequency of the pulse signal sending determined according to the actual test effect. Based on the output pulse signal, the corresponding received echo signal effect is better, so as to further improve the accuracy of the clothes dry-wet state detection.

[0072] Specifically, the embodiment of the present application found in actual tests that when the ultrasonic transceiver corresponding area placed dry clothes, through the ultrasonic signal test, no echo signal of the inner container wall of the box was detected, i.e. no signal returned at 3 to 4 milliseconds, but through the reflection of dry clothes, since the ultrasonic detection device and the clothes were relatively close, the first echo signal would appear after the aftershock wave (the part of the interference signal that the ultrasonic signal was directly transmitted from the transmitting probe to the receiving probe through the hardware structure and circuit structure of the ultrasonic transceiver). The echo signal would appear in the range of 1 to 2 milliseconds, and the pulse number of the echo signal was greater than a certain fixed value (such as 3 pulse signals), according to the different humidity conditions of the clothes, the pulse number fluctuated within a fixed range. And, through the second bounce of the device and the clothes, the second echo signal would be detected in the range of 4 to 6 milliseconds, and similarly the pulse number of this part of the echo signal was greater than a certain fixed value (such as 3 pulse signals), according to the different humidity conditions of the clothes, the pulse number also fluctuated within a fixed range. Based on the pulse signal number distribution law of the echo signal in the above two time periods, the present application obtains the echo signal received within a preset time length based on the echo signal to detect the dry and wet state of the clothes. For example, since the clothes detection needs to count and analyze the pulse signal number of the echo signal in the range of 1 to 2 milliseconds and 4 to 6 milliseconds, the echo signal within 6 milliseconds needs to be obtained for clothes dry and wet detection, so the preset time length is set to 6 milliseconds.

[0073] Based on the different waveform characteristics of the dry and wet state reflection echo signal determined by the above actual test, the echo signal detection flow is set, as shown in Figure 6 After the last pulse signal is transmitted, the detection flow of the echo signal is entered, and whether the receiving probe of the open ultrasonic transceiver receives the echo signal within the effective detection period is detected. The embodiment of the present application detects whether the echo signal is received within 4 ms (i.e. the effective detection period), if yes, the echo signal received within 6 ms (i.e. the preset time length) is obtained. In addition, if no echo signal is detected within the effective detection period, the detection abnormal information of the echo signal is output.

[0074] It should be noted that, generally speaking, after an open-type ultrasonic transceiver emits an ultrasonic signal, the echo signal reflected from clothing will reach the receiving probe of the open-type ultrasonic transceiver first. The echo signal returning from the inner wall of the enclosure has a relatively long return time. That is, within a fixed period after the ultrasonic signal is emitted, regardless of whether there is clothing in the corresponding area of ​​the open-type ultrasonic transceiver, a corresponding echo signal (reflected echo signal from clothing or reflected echo signal from the inner wall of the enclosure) will be received. If no echo signal is detected within this period, it indicates an abnormal echo signal detection. Therefore, in order to accurately obtain the echo signal for effective detection of the dryness or wetness of clothing, it is necessary to set an effective detection period for echo signal detection based on the depth of the inner wall of the enclosure. After the open-type ultrasonic transceiver emits an ultrasonic signal, it detects the echo signal within the effective detection period, and if no echo signal is detected within the effective detection period, it outputs an abnormal echo signal detection information. The effective detection period needs to be proportional to the depth of the inner chamber of the garment care machine. It can be understood that the longer the inner chamber is, the later the echo signal reflected from the inner chamber wall will be received by the receiving probe. In order to ensure the normal acquisition of the echo signal, the effective detection period needs to be set according to the depth of the inner chamber of the machine, so as to ensure that the receiving probe can receive the echo signal normally within the effective detection period and optimize the echo signal detection effect.

[0075] S120. Determine the first pulse count and the second pulse count. The first pulse count is the number of echo signals detected in the first specified sub-duration, and the second pulse count is the number of echo signals detected in the second specified sub-duration. The preset duration includes the first specified sub-duration and the second specified sub-duration.

[0076] Furthermore, based on the acquired echo signal within a preset duration, and according to the distribution pattern of the number of pulse signals within the two time periods of the preset duration, this embodiment sets a first specified sub-duration and a second specified sub-duration for the two time periods to facilitate determining the number of pulse signals contained in the two sub-durations from the echo signal of the preset duration. Specifically, the number of pulse signals detected in the first specified sub-duration is defined as the first pulse count, and the number of pulse signals acquired in the second specified sub-duration is defined as the second pulse count.

[0077] For example, such as Figure 6 As shown, after acquiring the echo signal received by the open ultrasonic transceiver within 6ms (preset duration), the clothing wet / dry state detection device determines the number of pulses of the echo signal in the 1-2ms time period (first specified sub-duration) from the 6ms echo signal, denoted as N1; and determines the number of pulses of the echo signal in the 4-6ms time period (second specified sub-duration), denoted as N2, thereby completing the statistics of the first pulse count and the second pulse count.

[0078] Optionally, when counting the first pulse number and the second pulse number, the pulse number of the echo signal in each millisecond unit time within 6 milliseconds can be calculated respectively, denoted as n1-n6. Then, the pulse number of the corresponding unit time is selected according to the interval range of the first specified sub-time length, and the pulse number within 1-2 milliseconds is denoted as N1, and the pulse number within 4-6 milliseconds is denoted as N2.

[0079] S130, determining the dry-wet state of the clothes placed in the corresponding area of the open ultrasonic transceiver according to the first pulse number and the second pulse number.

[0080] Finally, based on the corresponding relationship between the pulse number of the echo signal reflected by clothes in different dry-wet states in the first specified sub-time length and the second specified time length and the dry-wet state of the clothes, the dry-wet state of the clothes placed in the corresponding area of the open ultrasonic transceiver can be determined by combining the first pulse number and the second pulse number. It can be understood that according to actual tests, the corresponding relationship between the pulse number of the echo signal reflected by clothes in different dry-wet states in the first specified sub-time length and the second specified time length and the dry-wet state of the clothes can be determined, and the number distribution of the pulse signals in the waveform can be determined, and then the pulse number threshold corresponding to the first specified sub-time length and the second specified sub-time length can be determined. According to the comparison result of the set pulse number threshold and the first pulse number and the second pulse number, the state of the clothes placed in the corresponding area of the open ultrasonic transceiver is determined.

[0081] Optionally, based on the clothes dry-wet state detection method as shown in Figure 3 , the clothes dry-wet state determination process includes: Figure 7

[0082] S1301, determining the size relationship between the first pulse number and the first pulse number threshold, and determining the size relationship between the second pulse number and the second pulse number threshold;

[0083] S1302, determining the dry-wet state of the clothes placed in the corresponding area of the open ultrasonic transceiver according to the determined size relationship.

[0084] ​Before this, according to actual test results, the value range of the pulse number of the clothes reflection echo signal in the first specified sub time length and the second specified sub time length under different dry and wet states is determined, and then the set pulse number threshold value corresponding to different dry and wet states of the clothes is set, which is used to compare the first pulse number and the second pulse number to determine the dry and wet state of the clothes. For example, according to the actual test results, when the wet clothes are placed in the detection area, the first echo signal appears in the range of 1 to 2 milliseconds after the ultrasonic signal is emitted, and the pulse number of the echo signal is greater than 3 pulse signals, and the second echo signal is detected in the range of 4 to 6 milliseconds, and the pulse number of this part of the echo signal is also greater than 3 pulse signals. Therefore, the set pulse number threshold value of the first specified sub time length and the second specified sub time length can be set to 3 pulse signals, and when it is determined that the first pulse number and the second pulse number are both greater than 3, it is determined that the clothes placed in the corresponding area of the open ultrasonic transceiver are wet clothes, otherwise, they are dry clothes.

[0085] For example, in the case that the first pulse number is greater than the first pulse number threshold value and the second pulse number is greater than the second pulse number threshold value, it is determined that the clothes placed in the corresponding area of the open ultrasonic transceiver are in the first state; in the case that the first pulse number is less than the first pulse number threshold value or the second pulse number is less than the second pulse number threshold value, it is determined that the clothes placed in the corresponding area of the open ultrasonic transceiver are in the second state.

[0086] For the dry and wet states of the clothes, the wet clothes are defined as the first state and the dry clothes are defined as the second state, and then according to the pulse number distribution rule of the dry and wet state clothes reflection echo signal in the first specified sub time length and the second specified sub time length, a set pulse number threshold value is set. For example, as shown in the figure, the pulse number threshold value is 3, and when the first pulse number and the second pulse number are both greater than 3, it is judged that the clothes placed in the corresponding area of the open ultrasonic transceiver are wet clothes, otherwise, they are dry clothes, thereby completing the clothes dry and wet state detection of the present application. Figure 6

[0087] It should be noted that the above-mentioned first state and second state can be dry state and wet state respectively, or state with humidity of a% and b% (a, b take values of 1-100). That is, according to the actual detection needs, a plurality of dry and wet states corresponding to different moisture levels of the clothes can be set, and according to the actual test, the pulse number distribution rule of the clothes reflection echo signal in the first specified sub time length and the second specified sub time length under each dry and wet state is determined, and then the set pulse number threshold value corresponding to each dry and wet state is set, so as to subsequently determine the corresponding dry and wet state of the clothes according to the set pulse number threshold value.

[0088] ​For example, in order to more finely distinguish different dry and wet states of clothes, for clothes in different dry and wet states such as 30% humidity, 50% humidity, 100% humidity, etc., according to the pulse number distribution rule of the echo signal reflected by clothes in the corresponding state in the first specified sub-time length and the second specified sub-time length, the pulse number value range of the echo signal in the first specified sub-time length and the second specified sub-time length is determined, and the corresponding set pulse number threshold can be set according to the value range. For example, in the echo signal reflected by clothes in 30% humidity, the pulse numbers in the first specified sub-time length and the second specified sub-time length are both between 4 and 6, and then the set pulse number threshold corresponding to the dry and wet state of 30% humidity is determined to be 4-6. When it is determined that the first pulse number and the second pulse number are both located in 4-6, it is determined that the current clothes are in the dry and wet state of 30% humidity. As the humidity of clothes increases, the pulse numbers in the first specified sub-time length and the second specified sub-time length of the reflected echo signal are relatively large. According to the actual dry and wet state detection requirement of clothes, a plurality of detection processes of different dry and wet states can be set, and the set pulse number threshold is set in advance to finally determine the different dry and wet states of clothes based on the specified pulse number. The number of specific dry and wet states is not limited in the embodiment of the application, and will not be described here.

[0089] Optionally, according to the mapping relationship between different dry and wet states and the running time length of the associated program of the clothes care machine, the running time length of the associated program of the corresponding area of the open ultrasonic transceiver is determined. For example, for clothes in 30% humidity, the drying program of the corresponding area is set to run for 10 minutes; for clothes in 80% humidity, the drying program of the corresponding area is set to run for 30 minutes; and for dry clothes, the drying program of the corresponding area is not set to run, and the spraying program is set to run for 3 minutes. According to the mapping relationship between different dry and wet states and the running time length of the associated program of the clothes care machine, when the dry and wet state of clothes in the corresponding area of the open ultrasonic transceiver is determined, the running time length of each associated program of the area can be determined according to the dry and wet state by querying the mapping relationship. In this way, the clothes care time can be intelligently adjusted to achieve a more efficient care effect and optimize the energy efficiency and use experience of the equipment.

[0090] Optionally, the laundry care machine comprises at least two open ultrasonic transceivers, and when the ultrasonic signal detection is performed, the ultrasonic signal transmission time sequence of each open ultrasonic transceiver is preconfigured, and each open ultrasonic transceiver transmits the ultrasonic signal at the corresponding ultrasonic signal transmission time sequence. It can be understood that when the laundry care machine is provided with multiple open ultrasonic transceivers to detect the dry and wet states of the laundry in multiple detection areas, in order to avoid the mutual interference of signals in each detection area when the ultrasonic transceivers perform ultrasonic signal detection in parallel, and further to cause the received echo signal to contain the signal reflected by other detection areas, thereby interfering with the dry and wet state detection of the current detection area. Based on this, when the dry and wet state of the laundry is detected, the ultrasonic signal transmission time sequence of each open ultrasonic transceiver is preconfigured, so that each open ultrasonic transceiver transmits the ultrasonic signal at different time points in sequence. Correspondingly, each open ultrasonic transceiver also receives the echo signal of the ultrasonic signal at different time points in sequence. Preferably, in order to further reduce signal interference, the next open ultrasonic transceiver starts transmitting the ultrasonic signal after the current open ultrasonic transceiver receives the echo signal of the ultrasonic signal. In this way, signal interference can be avoided, the detection accuracy of the laundry can be further improved, and the detection effect of the laundry can be optimized.

[0091] The above-mentioned, by acquiring the echo signal received by the open ultrasonic transceiver within a preset time length, the echo signal is the signal of the ultrasonic signal transmitted by the open ultrasonic transceiver reflected by the obstacle; the first pulse quantity and the second pulse quantity are determined from the echo signal, the first pulse quantity is the number of echo signals detected in the first specified sub-time length, and the second pulse quantity is the number of echo signals detected in the second specified sub-time length, and the preset time length includes the first specified sub-time length and the second specified sub-time length; the dry and wet states of the laundry placed in the corresponding area of the open ultrasonic transceiver are determined according to the first pulse quantity and the second pulse quantity. By using the above technical means, based on the different attenuation characteristics of dry and wet state laundry to ultrasonic signals, the dry and wet states of the laundry in the corresponding area are accurately determined according to the number of pulses contained in the echo signal of different sub-time lengths, the misjudgment of the dry and wet state of the laundry is avoided, and the detection accuracy of the laundry state of the laundry care machine is improved.

[0092] Moreover, according to the dry and wet states of the laundry in the corresponding area, the running time of the laundry care machine is accurately adjusted, the laundry care effect can be optimized, and the user experience can be improved.

[0093] On the basis of the above-mentioned embodiments, Figure 8 A structural schematic diagram of a laundry dry and wet state detection device provided by the embodiments of the present application is shown in FIG. 1. Figure 8 The laundry dry and wet state detection device provided by the embodiments of the present application specifically comprises an acquisition module 21, a detection module 22 and a state determination module 23.

[0094] The acquisition module 21 is configured to acquire echo signals received by the open ultrasonic transceiver within a preset time length, the echo signals being signals reflected by an obstacle after the open ultrasonic transceiver transmits ultrasonic signals.

[0095] The detection module 22 is configured to determine a first pulse quantity and a second pulse quantity, the first pulse quantity being a quantity of the echo signals detected in a first specified sub-time length, and the second pulse quantity being a quantity of the echo signals detected in a second specified sub-time length, the preset time length including the first specified sub-time length and the second specified sub-time length.

[0096] The state determination module 23 is configured to determine a dry-wet state of clothes placed in a region corresponding to the open ultrasonic transceiver according to the first pulse quantity and the second pulse quantity.

[0097] Specifically, the state determination module 23 is specifically configured to:

[0098] determine a size relationship between the first pulse quantity and a first pulse quantity threshold value, and a size relationship between the second pulse quantity and a second pulse quantity threshold value; and determine the dry-wet state of the clothes placed in the region corresponding to the open ultrasonic transceiver according to the determined size relationships.

[0099] The state determination module is specifically configured to:

[0100] determine that the clothes placed in the region corresponding to the open ultrasonic transceiver are in a first state when the first pulse quantity is greater than the first pulse quantity threshold value and the second pulse quantity is greater than the second pulse quantity threshold value; and determine that the clothes placed in the region corresponding to the open ultrasonic transceiver are in a second state when the first pulse quantity is less than the first pulse quantity threshold value or the second pulse quantity is less than the second pulse quantity threshold value.

[0101] The state determination module is further configured to:

[0102] determine a program running time length of the region corresponding to the open ultrasonic transceiver according to a mapping relationship between different dry-wet states and program running time lengths of the clothes care machine.

[0103] The acquisition module is further configured to:

[0104] control the open ultrasonic transceiver to transmit ultrasonic signals, and a starting time of the preset time length being an ending time of transmission of the ultrasonic signals.

[0105] The above, by acquiring the echo signal received by the open ultrasonic transceiver within a preset time length, the echo signal is the signal reflected by the obstacle after the ultrasonic signal sent by the open ultrasonic transceiver; the first pulse number and the second pulse number are determined from the echo signal, the first pulse number is the number of echo signals detected in the first specified sub time length, the second pulse number is the number of echo signals detected in the second specified sub time length, and the preset time length includes the first specified sub time length and the second specified sub time length; according to the first pulse number and the second pulse number, the dry and wet state of the clothes placed in the corresponding area of the open ultrasonic transceiver is determined. By using the above technical means, based on the different attenuation characteristics of dry and wet clothes to ultrasonic signals, the dry and wet state of the clothes in the corresponding area is accurately determined according to the number of pulses contained in the echo signal of different sub time lengths, avoiding the misjudgment of the dry and wet state of the clothes, and improving the clothes state detection accuracy of the clothes care machine. Moreover, according to the dry and wet state of the clothes in the corresponding area, the running time of the clothes care machine is accurately adjusted, which can optimize the clothes care effect and improve the user experience.

[0106] The clothes dry and wet state detection device provided by the embodiments of the present application can be used to execute the clothes dry and wet state detection method provided by the above embodiments, and has the corresponding functions and beneficial effects.

[0107] On the basis of the above embodiments, the embodiments of the present application further provide a clothes care machine, referring to Figure 9 The clothes care machine includes a processor 31, a memory 32, a communication module 33, an input device 34, an output device 35 and an open ultrasonic transceiver 36.

[0108] The number of processors in the clothes care machine can be one or more, and the number of memories in the clothes care machine can be one or more. The open ultrasonic transceiver, processor, memory, communication module, input device and output device of the clothes care machine can be connected through a bus or other means.

[0109] The memory 32, as a computer readable storage medium, can be used to store software programs, computer executable programs and modules, such as program instructions / modules of the clothes dry-wet state detection method according to any embodiment of the present application (for example, the acquisition module, the detection module and the state determination module in the clothes dry-wet state detection device). The memory can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system and application programs required by at least one function; the data storage area can store data created according to the use of the device, etc. In addition, the memory can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other non-volatile solid-state memory device. In some examples, the memory can further include a memory remotely arranged with respect to the processor, which can be connected to the device through a network. Examples of the above network include but are not limited to the Internet, an intranet, a local area network, a mobile communication network, and a combination thereof.

[0110] The communication module 33 is used for data transmission, and the open ultrasonic transceiver 36 is used for sending ultrasonic signals and receiving echo signals.

[0111] The processor 31 executes various functional applications and data processing of the device by running the software programs, instructions and modules stored in the memory, that is, implements the clothes dry-wet state detection method described above.

[0112] The input device 34 can be used to receive input digital or character information, and generate key signal input related to user settings and function control of the device. The output device 35 can include a display device such as a display screen.

[0113] The clothes care machine provided above can be used to execute the clothes dry-wet state detection method provided in the above embodiments, and has corresponding functions and beneficial effects.

[0114] On the basis of the above embodiments, the present embodiment further provides a computer readable storage medium, which includes computer instructions, when the computer instructions run on the clothes care machine, the clothes care machine executes the clothes dry-wet state detection method as described in the above embodiments.

[0115] Storage medium - any type of memory device or storage device. The term "storage medium" is intended to include an installation medium, e.g., a CD-ROM, floppy disks, or tape apparatus; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Rambus RAM, etc.; or a non-volatile memory such as a magnetic medium (e.g., a hard drive or optical storage); registers, or other similar types of memory elements, etc. The memory medium can also include other types of storage medium and combinations thereof. Moreover, the memory medium can reside in a first computer system's internal storage during program execution so as to alter the first computer system's operating parameters while also spanning both the first and second computer systems. The term "memory medium" can also include two or more memory mediums that reside in different locations, e.g., in different computer systems that are connected over a network such as the Internet. The memory medium can store program instructions that implement one or more of the methods described herein (e.g., as a computer program product). The term "program instructions" includes any type of computer code, for example, source code, object code, interpreted code, etc. The term "computer program product" refers to any type of physical medium that stores computer instructions in a non-transitory manner. The term "non-transitory" is used herein to exclude only the medium that carries the computer instructions at the time of execution. The term "non-transitory" does not exclude all forms of memory that can store the computer instructions at one or more times before execution.

[0116] Of course, the storage medium provided by the embodiments of the present application includes computer executable instructions, and the computer executable instructions are not limited to the clothes dry-wet state detection method described above, but can also perform the related operations in the clothes dry-wet state detection method provided by any embodiment of the present application.

[0117] The embodiments of the present application also provide a computer program product, which includes computer instructions, and when the computer instructions run on the clothes care machine, the clothes care machine executes the clothes dry-wet state detection method described in the above embodiments.

[0118] The clothes dry-wet state detection device, the storage medium and the clothes care machine provided in the above embodiments can execute the clothes dry-wet state detection method provided by any embodiment of the present application, and the technical details not described in detail in the above embodiments can refer to the clothes dry-wet state detection method provided by any embodiment of the present application.

[0119] The above is only the preferred embodiments of the present application and the technical principles applied. The present application is not limited to the specific embodiments described herein, and various obvious changes, re-adjustments and replacements made by those skilled in the art will not deviate from the protection scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without deviating from the concept of the present application, and the scope of the present application is determined by the scope of the claims.

Claims

1. A method for detecting the dryness and wetness of clothing, applied to a garment care machine including an open-type ultrasonic transceiver, the method comprising: The echo signal received by the open-type ultrasonic transceiver within a preset time period is obtained. The echo signal is the signal after the ultrasonic signal sent by the open-type ultrasonic transceiver is reflected by an obstacle. The echo signal is detected according to an effective detection period, which is proportional to the inner depth of the garment care machine. The first pulse count and the second pulse count are determined, wherein the first pulse count is the number of echo signals detected in a first specified sub-duration, and the second pulse count is the number of echo signals detected in a second specified sub-duration, and the preset duration includes the first specified sub-duration and the second specified sub-duration; The dryness or wetness of clothing placed in the area corresponding to the open ultrasonic transceiver is determined based on the first pulse count and the second pulse count.

2. The method for detecting the dry and wet state of clothing according to claim 1, characterized in that, The step of determining the wet / dry state of clothing placed in the area corresponding to the open ultrasonic transceiver based on the first pulse count and the second pulse count includes: Determine the relationship between the first pulse number and the first pulse number threshold, and determine the relationship between the second pulse number and the second pulse number threshold; The dryness or wetness of clothing placed in the corresponding area of ​​the open-type ultrasonic transceiver is determined based on the established size relationship.

3. The method for detecting the dry and wet state of clothing according to claim 2, characterized in that, The step of determining the dryness or wetness of clothing placed in the area corresponding to the open-type ultrasonic transceiver based on the determined size relationship includes: If the number of the first pulses is greater than the first pulse number threshold and the number of the second pulses is greater than the second pulse number threshold, it is determined that the clothing placed in the area corresponding to the open ultrasonic transceiver is in the first state. If the number of the first pulses is less than the first pulse number threshold, or the number of the second pulses is less than the second pulse number threshold, the clothing placed in the area corresponding to the open ultrasonic transceiver is determined to be in the second state.

4. The method for detecting the dry and wet state of clothing according to any one of claims 1-3, characterized in that, After determining the dryness or wetness of the clothing placed in the area corresponding to the open-type ultrasonic transceiver, the method further includes: Based on the mapping relationship between different dry and wet conditions and the associated program runtime of the garment care machine, the associated program runtime of the corresponding area of ​​the open ultrasonic transceiver is determined.

5. The method for detecting the dry and wet state of clothing according to claim 1, characterized in that, Before acquiring the echo signal received by the open ultrasonic transceiver within a preset time period, the method further includes: The open-type ultrasonic transceiver is controlled to transmit ultrasonic signals, and the start time of the preset duration is the end time of the transmission of the ultrasonic signal.

6. A garment dryness / wetness detection device, applied to a garment care machine including an open-type ultrasonic transceiver, the garment dryness / wetness detection device comprising: The acquisition module is used to acquire the echo signal received by the open ultrasonic transceiver within a preset time period. The echo signal is the signal after the ultrasonic signal sent by the open ultrasonic transceiver is reflected by an obstacle. The echo signal is detected according to an effective detection period, which is proportional to the inner depth of the garment care machine. The detection module is used to determine the first pulse count and the second pulse count, wherein the first pulse count is the number of echo signals detected in a first specified sub-duration, and the second pulse count is the number of echo signals detected in a second specified sub-duration, and the preset duration includes the first specified sub-duration and the second specified sub-duration. The status determination module is used to determine the dryness or wetness of clothing placed in the area corresponding to the open ultrasonic transceiver based on the number of the first pulse and the number of the second pulse.

7. The clothing wet / dry state detection device according to claim 6, characterized in that, The state determination module is specifically used for: Determine the relationship between the first pulse number and the first pulse number threshold, and determine the relationship between the second pulse number and the second pulse number threshold; The dryness or wetness of clothing placed in the corresponding area of ​​the open-type ultrasonic transceiver is determined based on the established size relationship.

8. The clothing dry / wet state detection device according to claim 7, characterized in that, The state determination module is specifically used for: If the number of the first pulses is greater than the first pulse number threshold and the number of the second pulses is greater than the second pulse number threshold, it is determined that the clothing placed in the area corresponding to the open ultrasonic transceiver is in the first state. If the number of the first pulses is less than the first pulse number threshold, or the number of the second pulses is less than the second pulse number threshold, the clothing placed in the area corresponding to the open ultrasonic transceiver is determined to be in the second state.

9. The clothing wet / dry state detection device according to claim 6, characterized in that, The state determination module is also used for: Based on the mapping relationship between different dry and wet conditions and the associated program runtime of the garment care machine, the associated program runtime of the corresponding area of ​​the open ultrasonic transceiver is determined.

10. The clothing dry / wet state detection device according to claim 6, characterized in that, The acquisition module is also used for: The open-type ultrasonic transceiver is controlled to transmit ultrasonic signals, and the start time of the preset duration is the end time of the transmission of the ultrasonic signal.

11. A garment care machine, characterized in that, include: An open-type ultrasonic transceiver, a memory, and one or more processors, wherein the open-type ultrasonic transceiver is connected to the processors; The memory is used to store computer-executed instructions; The processor is used to invoke the computer to execute instructions and control the operation of the open ultrasonic transceiver, so that when the garment care machine is running, it executes the computer to implement the garment dry / wet state detection method as described in any one of claims 1-5.

12. A computer-readable storage medium, characterized in that, Includes computer instructions that, when executed on the garment care machine, cause the garment care machine to perform the garment dry / wet state detection method as described in any one of claims 1-5.

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