Control method of drying apparatus and drying apparatus

Abstract

The present application relates to the technical field of clothes drying, and particularly provides a control method of a drying device and the drying device, aiming to solve the problem of poor user experience caused by the poor cleaning scheme of the lint filter of the existing drying device. To this end, the control method comprises the following steps: obtaining the temperature of the surface of a heater or the air around the heater after the heater reaches a steady state, denoted as a reference temperature value To; obtaining the temperature of the surface of the heater or the air around the heater again after a set interval, denoted as a real-time temperature value Ts; obtaining a temperature change value of the real-time temperature value Ts relative to the reference temperature value To; determining the blockage condition of the lint filter according to the real-time temperature value Ts and the temperature change value; and selectively causing the drying device to issue corresponding prompt information according to the blockage condition of the lint filter. The present application can issue a prompt when the lint filter is blocked, reminding the user to clean the lint filter.

Description

Technical Field

[0001] This invention relates to the field of clothing drying technology, specifically providing a control method for drying equipment and a drying equipment. Background Technology

[0002] Drying equipment refers to machines that use hot air to dry clothes. Drying equipment mainly includes washer-dryer combos, dryers, or tumble dryers.

[0003] Taking washer-dryer combos as an example, most existing washer-dryer combos on the market use electric heating or heat pump heating. Regardless of the heating method chosen, washer-dryer combos still rely on circulating airflow during the drying process. During the drying process, lint from the clothes will fall off and be carried by the fan into the entire airflow duct.

[0004] To avoid these issues, many washer-dryer combos incorporate lint filters within the drying duct. However, if these filters aren't cleaned regularly, excessive lint buildup can reduce drying efficiency, prolonging drying time and even making clothes difficult to dry, leading to increased customer complaints. Requiring users to clean the lint filter after each drying cycle also negatively impacts the user experience and generates resentment.

[0005] Therefore, a new technical solution is needed in this field to solve the above problems. Summary of the Invention

[0006] The present invention aims to solve the above-mentioned technical problems, namely, to solve the problem that the existing drying equipment has poor cleaning solutions for lint filters, resulting in a poor user experience.

[0007] In a first aspect, the present invention provides a control method for a drying device, the drying device including a lint filter and a heater, the control method comprising: acquiring the temperature of the heater surface or the air surrounding the heater after the heater reaches a stable state, denoted as a reference temperature value To; acquiring the temperature of the heater surface or the air surrounding the heater again after a set interval, denoted as a real-time temperature value Ts; acquiring the temperature change value of the real-time temperature value Ts relative to the reference temperature value To; determining the clogging status of the lint filter based on the real-time temperature value Ts and the temperature change value; and selectively causing the drying device to issue corresponding prompt information based on the clogging status of the lint filter.

[0008] In the preferred embodiment of the control method for the aforementioned drying equipment, the step of "determining the clogging status of the lint filter based on the real-time temperature value and the temperature change value" specifically includes: comparing the real-time temperature value Ts with a first preset temperature value T1 and a second preset temperature value T2, wherein the first preset temperature value T1 is greater than the second preset temperature value T2; comparing the temperature change value with a first preset value A1 and a second preset value A2, wherein the first preset value A1 is greater than the second preset value A2; and determining the clogging status of the lint filter based on the comparison results.

[0009] In the preferred embodiment of the control method for the aforementioned drying equipment, the step of "determining the clogging status of the lint filter based on the comparison results" specifically includes: if the real-time temperature value Ts is less than the first preset temperature value T1 but not less than the second preset temperature value T2 and the temperature change value is less than the first preset value A1, or the real-time temperature value Ts is less than the first preset temperature value T1 and the temperature change value is less than the first preset value A1 but not less than the second preset value A2, then the clogging value S is incremented by 1; the clogging value S is compared with the warning value B1 and the alarm value B2 respectively, wherein the warning value B1 is less than the alarm value B2; and the clogging status of the lint filter is determined based on the comparison results.

[0010] In the preferred embodiment of the control method for the above-mentioned drying equipment, the step of "selectively issuing corresponding prompt information to the drying equipment according to the clogging status of the lint filter" specifically includes: if the clogging value S is greater than the warning prompt value B1 but not greater than the alarm prompt value B2, then the drying equipment issues a warning prompt to inform the user that the lint filter is slightly clogged.

[0011] In the preferred embodiment of the control method for the above-mentioned drying equipment, the step of "selectively causing the drying equipment to issue corresponding prompt information according to the clogging status of the lint filter" further includes: if the clogging value S is greater than the alarm prompt value B2, then the drying equipment issues an alarm prompt to inform the user that the lint filter is seriously clogged.

[0012] In the preferred embodiment of the control method for the above-mentioned drying equipment, the step of "selectively causing the drying equipment to issue corresponding prompt information according to the clogging status of the lint filter" further includes: if the clogging value S is less than or equal to the warning prompt value B1, then the drying equipment is not prompted.

[0013] In the preferred technical solution of the control method of the above-mentioned drying equipment, the step of "determining the clogging status of the lint filter according to the comparison result" specifically includes: if the real-time temperature value Ts is less than the second preset temperature value T2 and the temperature change value is less than the second preset value A2, then the clogging value S is reset.

[0014] In the preferred embodiment of the control method for the above-mentioned drying equipment, the step of "selectively issuing corresponding prompt information to the drying equipment according to the clogging status of the lint filter" specifically includes: if the real-time temperature value Ts is not less than the first preset temperature value T1 or the temperature change value is not less than the first preset value A1, then the drying equipment issues an alarm prompt to inform the user that the lint filter is seriously clogged.

[0015] In the preferred embodiment of the control method for the above-mentioned drying equipment, the temperature change value is the difference or ratio between the real-time temperature value Ts and the reference temperature value To.

[0016] In a second aspect, the present invention also provides a drying apparatus, including a controller configured to perform the control method described above.

[0017] By adopting the above technical solution, the present invention can determine the clogging status of the lint filter based on the real-time temperature and temperature change value of the heater. For example, it can determine whether the lint filter is clogged, and if so, the severity of the clogging. Then, it can selectively issue corresponding prompts based on the clogging status of the lint filter. For example, when the lint filter is clogged, the drying equipment can issue a prompt to remind the user that the lint filter is clogged and needs to be cleaned. In this way, the user does not need to determine whether the lint filter needs to be cleaned, and the lint filter can be cleaned in a timely manner when it is clogged, greatly improving the user experience.

[0018] Furthermore, the present invention sets two preset values ​​for the real-time temperature of the heater and the temperature change value respectively. The clogging status of the lint filter is determined based on the comparison results between the real-time temperature and the temperature change value and the corresponding two preset values. This can improve the accuracy of the control method, reduce the amount of calculation, and make the program run more smoothly.

[0019] Furthermore, the present invention also includes a clogging value that can characterize the degree of clogging of the lint filter. The clogging status of the lint filter is determined by comparing the clogging value with the warning value B1 and the alarm value B2, which can further improve the accuracy of the control method and avoid misjudgment. Attached Figure Description

[0020] The preferred embodiments of the present invention are described below with reference to the washer-dryer combo and its accompanying drawings, in which:

[0021] Figure 1 This is a schematic diagram of the washer-dryer combo of the present invention;

[0022] Figure 2 This is a flowchart of the control method of the present invention;

[0023] Figure 3 This is a flowchart of an embodiment of the control method of the present invention.

[0024] List of reference numerals in the attached diagram:

[0025] 1. Inner cylinder; 2. Outer cylinder; 3. Condenser; 4. Fan; 5. Air duct. Detailed Implementation

[0026] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0027] For example, although the embodiments described below are described in conjunction with a washer-dryer combo, the present invention is still applicable to other drying equipment, such as clothes dryers, dryers, etc. Such adjustments and changes to the application do not deviate from the principles and scope of the present invention and should be limited to the protection scope of the present invention.

[0028] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that although the steps of the control method of the present invention are described in a specific order in this application, this order is not restrictive. Without departing from the basic principles of the present invention, those skilled in the art can perform the steps in different orders. For example, the execution order of steps S410 and S420 of the control method of the present invention can be interchanged, or steps S410 and S420 can be performed simultaneously. The adjusted technical solution is equivalent to the technical solution described in this application and therefore will also fall within the protection scope of the present invention.

[0029] It should be noted that in the description of this invention, terms such as "top" and "bottom," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. This is merely for ease of description and does not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "set," "connect," and "install" should be interpreted broadly, for example, referring to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0031] Specifically, such as Figure 1 As shown, the washer-dryer of the present invention includes a housing (not shown in the figure), inside which are arranged an inner cylinder 1, an outer cylinder 2, a condenser 3, a fan 4, a lint filter (not shown in the figure), a heater (not shown in the figure), and an air duct 5. The lint filter and the heater are installed inside the air duct 5. One end of the air duct 5 is connected to the inner cylinder 1, and the other end of the air duct 5 is connected to the air outlet of the fan 4. The fan 4 is installed between the condenser 3 and the air duct 5. A condensation channel is formed inside the condenser 3.

[0032] For example, such as Figure 1 As shown, the top of the condenser 3 is provided with an air outlet, which is connected to the air inlet of the fan 4. The bottom of the condenser 3 is provided with an air inlet, which is connected to the outer cylinder 2. The top of the condenser 3 is also provided with a cooling water pipe (not shown in the figure), which is connected to the condensation channel.

[0033] During the drying process of the washer-dryer combo, cooling water is supplied to the condenser channel through the cooling water pipe. The hot and humid air discharged from the inner drum 1 and the outer drum 2 enters the condenser channel of the condenser 3 through the air inlet and exchanges heat with the cooling water in the condenser channel. The moisture in the hot and humid air is condensed into water, and the condensed air becomes relatively dry cold air. Then it is discharged through the air outlet and enters the air duct 5. After being heated by the heater into dry hot air, it enters the inner drum 1. This process is repeated until the drying process ends. The cooling water and condensate are discharged from the air inlet at the bottom of the condenser 3. The air inlet is connected to a drain pipe (not shown in the figure).

[0034] This invention provides a control method for a washer-dryer combo, wherein the controller of the washer-dryer combo is capable of executing the control method of this invention. For example... Figure 2 As shown, the control method of the present invention includes steps S100 to S500.

[0035] S100: After the heater reaches a steady state, the temperature of the heater surface or the air around the heater is obtained and recorded as the reference temperature value To.

[0036] For example, a temperature sensor can be installed on or near the surface of the heater to detect the temperature of the heater surface or the temperature of the air around the heater. The temperature sensor is connected to the controller of the washer-dryer to transmit the collected temperature data to the controller in a timely manner.

[0037] It should be noted that after the heater is started, the temperature of the heater surface will gradually rise. After a certain period of time, the temperature of the heater surface will tend to stabilize. The temperature of the heater surface or the air around the heater at this time is recorded as the reference temperature value To.

[0038] S200: After a set time interval, the temperature of the heater surface or the air around the heater is acquired again and recorded as the real-time temperature value Ts.

[0039] It should be noted that in practical applications, those skilled in the art can flexibly set the specific value of the set time based on experiments or experience. For example, the set time can be set to 5 minutes, 10 minutes, or 30 minutes, etc.

[0040] S300: Obtain the temperature change value of the real-time temperature value Ts relative to the reference temperature value To.

[0041] S400: Determine the clogging status of the lint filter based on the real-time temperature value Ts and temperature change value.

[0042] S500: Based on the lint filter clogging status, the washer-dryer can selectively issue corresponding prompts.

[0043] This application can determine the clogging status of the wire lint filter based on the real-time temperature and temperature change value of the heater. For example, it can determine whether the wire lint filter is clogged, and if so, how serious the clogging is. Then, it can selectively issue corresponding prompt information based on the clogging status of the wire lint filter.

[0044] For example, when the lint filter becomes clogged, the washer-dryer can issue a notification to remind the user that the lint filter is clogged and needs to be cleaned. In this way, the user no longer needs to judge whether the lint filter needs to be cleaned, and the lint filter can be cleaned in a timely manner when it is clogged, which greatly improves the user experience.

[0045] It should be noted that after the heater reaches a stable state, the real-time temperature value Ts can be acquired at set intervals. In other words, during the operation of the heater, the clogging status of the wire chip filter can be judged multiple times based on the real-time temperature value Ts and the temperature change value.

[0046] Preferably, the step of “obtaining the temperature change value of the real-time temperature value Ts relative to the reference temperature value To” specifically includes: calculating the difference ΔT between the real-time temperature value Ts and the reference temperature value To.

[0047] Where ΔT = Ts - To. That is, the temperature change of the heater is the difference between the real-time temperature value Ts and the reference temperature value To.

[0048] It should be noted that in practical applications, the temperature change value of the heater can also be set as the ratio of the real-time temperature value Ts to the reference temperature value To, that is, temperature change value = Ts / To. Alternatively, the temperature change value can also be set as the ratio of the difference between the real-time temperature value Ts and the reference temperature value To to the reference temperature value To, that is, temperature change value = (Ts - To) / To, etc. Such flexible adjustments and changes do not deviate from the principles and scope of the present invention and should all be limited to the protection scope of the present invention.

[0049] Of course, the present invention preferably sets the temperature change value of the heater as the difference or ratio between the real-time temperature value Ts and the reference temperature value To.

[0050] Preferably, the step of "determining the clogging status of the lint filter based on the real-time temperature value Ts and the temperature change value" specifically includes: comparing the real-time temperature value Ts with a first preset temperature value T1 and a second preset temperature value T2, wherein the first preset temperature value T1 is greater than the second preset temperature value T2; comparing the temperature change value with a first preset value A1 and a second preset value A2, wherein the first preset value A1 is greater than the second preset value A2; and determining the clogging status of the lint filter based on the comparison results.

[0051] In other words, two preset values ​​(T1 and T2) are set for the real-time temperature value Ts, and two preset values ​​(A1 and A2) are also set for the temperature change value. The clogging status of the lint filter is determined by comparing the real-time temperature value Ts and the temperature change value with the corresponding two preset values.

[0052] It should be noted that in practical applications, only one preset value can be set for the real-time temperature value Ts, or three or more preset values ​​can be set for the real-time temperature value Ts. Similarly, only one preset value can be set for the temperature change value, or three or more preset values ​​can be set for the temperature change value, and so on. Such flexible adjustments and changes do not deviate from the principles and scope of the present invention and should all be limited to the protection scope of the present invention.

[0053] Of course, the present invention preferably sets two preset values ​​for both the real-time temperature value Ts and the temperature change value. The clogging status of the lint filter is determined by comparing the real-time temperature value Ts and the temperature change value with the corresponding two preset values. This can improve the accuracy of the control method, reduce the amount of calculation, and make the program run more smoothly.

[0054] Furthermore, it should be noted that, in practical applications, those skilled in the art can flexibly set the specific values ​​of the first preset temperature value T1, the second preset temperature value T2, the first preset value A1, and the second preset value A2 based on experiments or experience.

[0055] Preferably, the step of "determining the clogging status of the wire filter based on the comparison results" specifically includes: if the real-time temperature value Ts is less than the first preset temperature value T1 but not less than the second preset temperature value T2 and the temperature change value is less than the first preset value A1, or the real-time temperature value Ts is less than the first preset temperature value T1 and the temperature change value is less than the first preset value A1 but not less than the second preset value A2, then the clogging value S is incremented by 1; the clogging value S is compared with the warning value B1 and the alarm value B2 respectively, wherein the warning value B1 is less than the alarm value B2; and the clogging status of the wire filter is determined based on the comparison results.

[0056] The clogging value S represents the degree of clogging of the wire filter. The larger the clogging value S, the more severe the clogging of the wire filter.

[0057] Specifically, when T2≤Ts<T1 and the temperature change value<A1, it indicates that the lint filter is clogged, so the clog value is incremented by 1, and the lint filter clogging status is determined by comparing the clog value S with the warning value B1 and the alarm value B2; when Ts<T1 and A2≤Temperature change value<A1, it also indicates that the lint filter is clogged, so the clog value is incremented by 1, and the lint filter clogging status is determined by comparing the clog value S with the warning value B1 and the alarm value B2.

[0058] It should be noted that, in practical applications, those skilled in the art can flexibly set the specific values ​​of the warning prompt value B1 and the alarm prompt value B2 based on experiments or experience.

[0059] Preferably, the step of "selectively issuing corresponding prompts from the washer-dryer based on the clogging status of the lint filter" specifically includes: if the clogging value S is greater than the warning prompt value B1 but not greater than the alarm prompt value B2, then the washer-dryer issues a warning prompt to inform the user that the lint filter is slightly clogged.

[0060] Specifically, when B1 < S ≤ B2, it indicates that the lint filter is slightly clogged. In this case, the washer-dryer will issue a warning to remind the user to clean the lint filter in the near future.

[0061] For example, a cleaning icon can be set on the control panel of the washer-dryer combo, which flashes to inform the user that the lint filter is slightly clogged; or, a cleaning indicator light can be set on the control panel of the washer-dryer combo, which turns yellow to inform the user that the lint filter is slightly clogged, and so on. Such adjustments and changes to the specific settings of the warning prompts do not deviate from the principles and scope of the present invention and should be limited to the protection scope of the present invention.

[0062] Preferably, the step of "selectively issuing corresponding prompts to the washer-dryer based on the clogging status of the lint filter" further includes: if the clogging value S is greater than the alarm prompt value B2, then the washer-dryer issues an alarm prompt to inform the user that the lint filter is severely clogged.

[0063] Specifically, when S > B2, it indicates that the lint filter is severely clogged. In this case, the washer-dryer will issue an alarm to remind the user to clean the lint filter immediately.

[0064] For example, a cleaning icon can be set on the control panel of the washer-dryer, and the cleaning icon can be kept lit to inform the user that the lint filter is seriously clogged; or, a cleaning indicator light can be set on the control panel of the washer-dryer, and the cleaning indicator light can be displayed red to inform the user that the lint filter is seriously clogged, etc. Such adjustments and changes to the specific settings of the alarm prompts do not deviate from the principles and scope of the present invention, and should all be limited to the protection scope of the present invention.

[0065] Preferably, the step of "selectively issuing corresponding prompts from the washer-dryer based on the clogging status of the lint filter" further includes: if the clogging value S is less than or equal to the warning prompt value B1, then the washer-dryer will not issue a prompt.

[0066] Specifically, when S≤B1, it means that the lint filter is not clogged or is only slightly clogged. In this case, there is no need to clean the lint filter or for the washer-dryer to issue a warning.

[0067] Preferably, the step of "determining the clogging status of the wire filter based on the comparison results" specifically includes: if the real-time temperature value Ts is less than the second preset temperature value T2 and the temperature change value is less than the second preset value A2, then the clogging value S is reset.

[0068] Specifically, when Ts < T2 and the temperature change value < A2, it indicates that the lint filter is not clogged, and the clogging value S is reset. For example, the clogging value S can be reset to zero, and the accumulation of the clogging value can restart.

[0069] Preferably, the step of "selectively issuing corresponding prompts from the washer-dryer based on the clogging status of the lint filter" specifically includes: if the real-time temperature value Ts is not less than the first preset temperature value T1 or the temperature change value is not less than the first preset value A1, then the washer-dryer issues an alarm to inform the user that the lint filter is severely clogged.

[0070] Specifically, when Ts≥T1 or the temperature change value≥A1, it indicates that the lint filter is severely clogged. In this case, the washer-dryer will issue an alarm to remind the user to clean the lint filter immediately.

[0071] The following example uses the temperature change of the heater as the difference between the real-time temperature value Ts and the reference temperature value To, and combines this with... Figure 3 The control method of the present invention will be described in detail below.

[0072] like Figure 3 As shown, the control method of the present invention specifically includes the following steps:

[0073] S100: Obtain the reference temperature value To.

[0074] S200: Obtain the real-time temperature value Ts.

[0075] S300: Calculate the difference ΔT between Ts and To. Where, ΔT = Ts - To.

[0076] S410: Determine whether the real-time temperature value Ts is less than the first preset temperature value T1.

[0077] That is, Ts is compared with T1. If Ts < T1, then step S430 is executed; otherwise, if Ts ≥ T1, then step S510 is executed. The first preset temperature value T1 can be set to any value between 100℃ and 150℃, for example, T1 can be set to 100℃, 110℃, 120℃, 130℃, 140℃ or 150℃, etc.

[0078] S420: Determine whether the difference △T is less than the first preset value A1.

[0079] That is, △T is compared with A1. If △T < A1, then step S430 is executed; otherwise, if △T ≥ A1, then step S510 is executed. The first preset value A1 can be set to any value between 15℃ and 25℃, for example, A1 can be set to 15℃, 18℃, 20℃, 22℃ or 15℃, etc.

[0080] S430: Determine whether the real-time temperature value Ts is less than the second preset temperature value T2 and whether the difference ΔT is less than the second preset value A2.

[0081] If Ts < T1, continue comparing Ts with T2. If △T < A1, continue comparing △T with A2. If Ts < T2 and △T < A2, then proceed to step S440. Otherwise, if Ts ≥ T2 or △T ≥ A2, then proceed to step S450.

[0082] The second preset temperature value T2 can be set to any value between 100℃ and 140℃, for example, T2 can be set to 100℃, 110℃, 120℃, 130℃ or 140℃. The first preset value A2 can be set to any value between 8℃ and 15℃, for example, A2 can be set to 8℃, 9℃, 10℃, 12℃ or 15℃.

[0083] S440: Reset the blockage value S.

[0084] When Ts < T2 and ΔT < A2, reset S, for example, make S = 0.

[0085] S450: Increment the blockage value S by 1.

[0086] When T2≤Ts<T1 and △T<A1, or when Ts<T1 and A2≤△T<A1, increment the blockage value S by 1, and then proceed to step S460.

[0087] S460: Determine whether the blockage value S is greater than the warning value B1.

[0088] If S > B1, then proceed to step S470; otherwise, if S ≤ B1, then proceed to step S530. The warning value B1 can be set to any value from 1 to 3; for example, B1 can be set to 1, 2, or 3.

[0089] S470: Determine if the blockage value S is greater than the alarm value B2.

[0090] If S > B1, continue comparing S with B2. If S > B2, proceed to step S510; otherwise, if S ≤ B2, proceed to step S520. The alarm value B2 can be set to any value between 5 and 10, for example, B2 can be set to 5, 6, 7, 8, 9, or 10.

[0091] S510: Causes the washer-dryer to issue an alarm.

[0092] When Ts≥T1, or when △T≥A1, or when S>B2, it indicates that the lint filter is severely clogged. In this case, the washer-dryer will issue an alarm to remind the user to clean the lint filter immediately.

[0093] S520: Causes the washer-dryer combo to issue a warning.

[0094] When B1 < S ≤ B2, it indicates that the lint filter is slightly clogged. In this case, the washer-dryer will issue a warning to remind the user that the lint filter needs to be cleaned soon.

[0095] S530: Prevent the washer-dryer combo from issuing a warning.

[0096] When S≤B1, it means that the lint filter is not clogged or is only slightly clogged. In this case, there is no need to clean the lint filter or for the washer-dryer to issue a warning.

[0097] It should be noted that the control method provided in this embodiment can be stored as a program in a computer-readable storage medium. This storage medium includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) or processor to execute some steps of the methods of the various embodiments of the present invention. The aforementioned storage medium includes various media capable of storing program code, such as a USB flash drive, external hard drive, read-only memory (ROM), random access memory (RAM), magnetic disk, or optical disk.

[0098] Those skilled in the art will understand that although some embodiments described herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of this application and form different embodiments. For example, any of the claimed embodiments in the claims of this application can be used in any combination.

[0099] The technical solution of the present invention has been described above with reference to the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will all fall within the scope of protection of the present invention.

Claims

1. A control method of a drying apparatus including a lint filter and a heater, the control method comprising: determining whether a user is present in a vicinity of the drying apparatus; and controlling the drying apparatus based on the determination. The control method includes: After the heater reaches a stable state, the temperature of the heater surface or the air surrounding the heater is obtained and recorded as the reference temperature value To; After a set time interval, the temperature of the heater surface or the air around the heater is acquired again and recorded as the real-time temperature value Ts. Obtain the temperature change value of the real-time temperature value Ts relative to the reference temperature value To; The clogging status of the lint filter is determined based on the real-time temperature value Ts and the temperature change value. Depending on the clogging status of the lint filter, the drying equipment may selectively issue corresponding warning messages. The step of "determining the clogging status of the lint filter based on the real-time temperature value Ts and the temperature change value" specifically includes: The real-time temperature value Ts is compared with the first preset temperature value T1 and the second preset temperature value T2, wherein the first preset temperature value T1 is greater than the second preset temperature value T2. The temperature change value is compared with a first preset value A1 and a second preset value A2, wherein the first preset value A1 is greater than the second preset value A2; Based on the comparison results, the clogging status of the lint filter is determined; The step of "determining the clogging status of the lint filter based on the comparison results" specifically includes: If the real-time temperature value Ts is less than the first preset temperature value T1 but not less than the second preset temperature value T2 and the temperature change value is less than the first preset value A1, or if the real-time temperature value Ts is less than the first preset temperature value T1 and the temperature change value is less than the first preset value A1 but not less than the second preset value A2, then the blockage value S is incremented by 1. The blockage value S is compared with the warning value B1 and the alarm value B2, respectively, wherein the warning value B1 is less than the alarm value B2; Based on the comparison results, the clogging status of the lint filter is determined.

2. The control method for the drying equipment according to claim 1, characterized in that, The step of "selectively issuing corresponding prompts from the drying equipment based on the clogging status of the lint filter" specifically includes: If the blockage value S is greater than the warning value B1 but not greater than the alarm value B2, the drying equipment will issue a warning to inform the user that the lint filter is slightly blocked.

3. The control method for the drying equipment according to claim 2, characterized in that, The step of "selectively issuing corresponding prompts from the drying equipment based on the clogging status of the lint filter" further includes: If the blockage value S is greater than the alarm value B2, the drying equipment will issue an alarm to inform the user that the lint filter is severely blocked.

4. The control method for the drying equipment according to claim 2, characterized in that, The step of "selectively issuing corresponding prompts from the drying equipment based on the clogging status of the lint filter" further includes: If the blockage value S is not greater than the warning value B1, the drying equipment will not issue a warning.

5. The control method for the drying equipment according to claim 1, characterized in that, The step of "determining the clogging status of the lint filter based on the comparison results" specifically includes: If the real-time temperature value Ts is less than the second preset temperature value T2 and the temperature change value is less than the second preset value A2, then the blockage value S is reset.

6. The control method for the drying equipment according to claim 1, characterized in that, The step of "selectively issuing corresponding prompts from the drying equipment based on the clogging status of the lint filter" specifically includes: If the real-time temperature value Ts is not less than the first preset temperature value T1 or the temperature change value is not less than the first preset value A1, the drying equipment will issue an alarm to inform the user that the lint filter is severely clogged.

7. The control method for the drying equipment according to any one of claims 1 to 6, characterized in that, The temperature change value is the difference or ratio between the real-time temperature value Ts and the reference temperature value To.

8. A drying apparatus, comprising a controller, characterized in that, The controller is configured to perform the control method according to any one of claims 1 to 7.

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