WO2022213819A1

WO2022213819A1 - Laundry drying device and drying method

Info

Publication number: WO2022213819A1
Application number: PCT/CN2022/082936
Authority: WO
Inventors: 姚龙平; 夏俊; 胡新新
Original assignee: 海尔智家股份有限公司; 青岛海尔滚筒洗衣机有限公司
Priority date: 2021-04-08
Filing date: 2022-03-25
Publication date: 2022-10-13
Also published as: CN113265863A

Abstract

A laundry drying device and a drying method, which relate to the technical field of household appliances. For the laundry drying device, adjustment buttons for adjusting the drying time are set on an operation panel (2). When laundry is over-dried or not completely dried, a user may adjust the drying time by means of operating the adjustment buttons, which may reduce the drying time and prevent over-drying, or may also increase the drying time to prevent incomplete drying. Moreover, the adjustment mode is flexible and may be promptly adjusted for easy operation. For the drying method for the laundry drying device, during the drying process, it is necessary to detect whether there is an instruction to adjust the drying time; and if so, it is convenient to obtain an adjusted time value set by the user and adjust the drying time. During the process of adjusting the drying time, there is no need to stop the machine, which improves the drying efficiency. Moreover, the drying time may be promptly adjusted to avoid the problem of over-drying or incomplete drying, thus protecting the laundry from damage and improving the use satisfaction of the user.

Description

Clothes drying equipment and drying method

This application claims the priority of the Chinese Patent Application No. 202110379020.4 filed with the China Patent Office on April 8, 2021, the entire contents of which are incorporated herein by reference.

technical field

The present application relates to the technical field of household appliances, for example, to a clothes drying device and a drying method.

Background technique

Clothes drying equipment is a clean household appliance that uses electric heating to evaporate and dry the moisture in the washed clothes in time. The household-type clothes drying equipment in the related art includes a tumble dryer or a tumble dryer. And the heating assembly, the motor works and drives the belt drive assembly to work, so as to drive the drum to rotate through the belt. The heating component is heated to generate a high-temperature airflow, and the high-temperature airflow circulates in the drum to evaporate the moisture in the wet clothes in the drum and take it out of the drum to dry the clothes.

In the related art, although the automatic drying technology of household clothes drying equipment is relatively mature, corresponding drying programs are set for different types of clothes, and a fixed drying program is set under each drying program. Drying time, but in the actual drying process, because the drying time cannot be adjusted, there will be problems that the clothes are not dried or over-dried.

Therefore, there is an urgent need to provide a clothes drying apparatus to solve the above problems.

SUMMARY OF THE INVENTION

The present application provides a clothes drying device to solve the problem of over-drying or non-drying of clothes. The present application also provides a drying method for a clothes drying device, which avoids over-drying or under-drying of clothes, protects clothes from damage, and improves user satisfaction.

In a first aspect, the present application provides a clothes drying device, comprising a box body and an operation panel disposed on the box body, the operation panel is provided with adjustment buttons, and the adjustment buttons can be operated by a user to adjust the clothes The drying time of the dryer.

In a second aspect, the present application also provides a drying method for a clothes drying device, which is applied to the clothes drying device described in any of the above, and the drying method includes:

During the drying process, determine whether there is an instruction input by the user to adjust the drying time;

In response to an instruction to adjust the drying time input by the user, the adjusted time value input by the user is acquired and the drying time is adjusted.

Description of drawings

1 is a schematic structural diagram of a clothes drying device provided in Embodiment 1 of the present application;

2 is a flow chart of the main steps of the drying method of the clothes drying device provided in the second embodiment of the present application;

3 is a detailed flow chart of the steps of the drying method of the clothes drying device provided in the second embodiment of the present application;

FIG. 4 is a detailed flow chart of the steps of the drying method of the clothes drying device provided in the third embodiment of the present application.

In the picture:

1. Box; 2. Operation panel; 31. Add-bake button; 32. Reduce-bake button; 4. Display.

Detailed ways

The technical solutions of the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

In the description of this application, unless otherwise expressly specified and limited, the terms "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

In this application, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

In the related art, different types of clothes are set with corresponding drying programs, and a fixed drying time is set under each drying program. However, in the actual drying process, the drying time cannot be adjusted. , there will be a problem that the clothes are not dried or over-dried. This embodiment provides a clothes drying device and a drying method to solve the above problems.

Example 1

The clothes drying device provided in this embodiment may be a clothes dryer or an all-in-one washing and drying machine, which is not limited herein.

As shown in FIG. 1 , the clothes drying device provided in this embodiment includes a box body 1 and an operation panel 2 arranged on the box body 1. The operation panel 2 is provided with adjustment buttons, and the adjustment buttons can be operated by the user to adjust the clothes drying. The drying time of the drying equipment.

In the clothes drying apparatus provided in this embodiment, an adjustment button for adjusting the drying time is set on the operation panel 2. When the clothes are over-dried or not dried, the user can adjust the drying time by operating the adjustment button, which can reduce the drying time. The drying time can avoid over-drying, and the drying time can be increased to avoid over-drying, and the adjustment method is flexible and can be adjusted in time for easy operation.

Optionally, the adjustment buttons include a drying addition button 31 and a drying reduction button 32. The drying addition button 31 can be operated by the user to increase the drying time, and the drying reduction button 32 can be operated by the user to reduce the drying time. The adjustment buttons for increasing the drying time and the adjustment buttons for reducing the drying time are separated, which is convenient for users to adjust.

Optionally, a display 4 is provided near the baking addition button 31 and the baking reduction button 32, and the display 4 is set to display the increased time or the reduced time. 10min, press the add-bake button 31 again, and +20min is displayed on the display 4. Similarly, when the user presses the bake reduction button 32 once, -10min is displayed on the display 4, and the user presses the bake reduction button 32 again, and the display 4 displays -20min. In other embodiments, the baking-adding button 31 and the baking-reducing button 32 may also share a display 4 for display, so as to save space. In this embodiment, optionally, three gears can be set for the increased time. For example, with 10 minutes as a gear, the drying time can be increased by a maximum of 30 minutes. The reduced time can be set to three gears, for example, with 10min as a gear, the drying time can be reduced by up to 30min. Of course, whether it is the time increasing gear or the time decreasing gear, it is not limited to three, and the time of each gear is not limited to the above time.

In addition, in order to ensure the accuracy of the time adjustment and the performance of estoppel, the operation panel 2 can also be provided with a "confirm" button and a "cancel" button. After the user selects the increased time or the decreased time, it is necessary to press the "Confirm" button, and the control system of the clothes drying equipment will receive the instruction to increase the drying time or decrease the drying time, and then carry out the adjustment of the drying time. Adjustment. After the user selects the increased time or the decreased time, if the selected time is considered wrong, the user can press the "Cancel" button to eliminate the set time for the user to regret and improve the user experience.

Embodiment 2

As shown in FIG. 2 , this embodiment provides a drying method for a clothes drying device, which is applied to the clothes drying device provided in Embodiment 1. The drying method provided by this embodiment mainly includes the following steps:

If there is an instruction for adjusting the drying time input by the user, the adjusted time value input by the user is acquired and the drying time is adjusted.

In the drying method of the clothes drying device provided by this embodiment, during the drying process, it is necessary to detect whether there is an instruction to adjust the drying time, and if so, the adjusted time value set by the user can be obtained and the drying time can be adjusted. , in the process of adjusting the drying time, there is no need to stop the machine, which improves the drying efficiency, and the user can adjust the drying time in time according to the actual drying needs, which solves the problem in the related art that the drying time cannot be adjusted after the drying program is selected. , avoid the problem of excessive drying or drying, protect the clothes from damage, and improve the user's satisfaction.

Below in conjunction with Fig. 3, the drying method of the clothes drying equipment provided by the present embodiment is described in detail, and the drying method comprises the following steps:

Step 1: Estimate the drying time of the clothes to be dried according to the weight and moisture content of the clothes to be dried.

Exemplarily, in this embodiment, the weight of the clothes placed in the drum may be weighed by a load cell, and before drying starts, the drum rotates alternately forward and reversely for a preset number of turns or a preset time according to the law. This rule runs for many times. After each rotation, the load cell will collect the weight value, obtain multiple weight values, and take the average value of the multiple weight values as the final weight value.

In another embodiment, pre-drying may be performed within a preset time before the official drying starts, and then a temperature sensor is used to measure the temperature value in the drum. If the temperature rises rapidly, it proves that there are few clothes. If the temperature rises slowly, it proves that there are many clothes. According to the temperature value detected by the temperature sensor, query the corresponding table of the weight of the clothes and the temperature value to obtain the weight of the clothes.

The weight of the laundry in the drum can also be obtained by combining the weighing of the load cell and the temperature detected by the temperature sensor, so as to improve the accuracy of the weight of the laundry in the drum.

In this embodiment, the humidity of the laundry to be dried is detected by a humidity sensor to determine the moisture content of the laundry to be dried. Exemplarily, before drying, the drum rotates forward and reverse alternately for a preset number of turns or a preset time, and the humidity sensor detects the humidity of the clothes to be dried, so as to improve the accuracy of humidity detection.

Step 2: During the drying process, determine whether there is an instruction input by the user to adjust the drying time.

Exemplarily, in this embodiment, after the clothes drying device starts drying, the controller of the clothes drying device needs to detect whether there is a user inputting an instruction to adjust the drying time during the drying process. After the user operates the adjustment button to select the increased time or the decreased time, the controller of the clothes drying device will receive an instruction to adjust the drying time.

Step 3: If the drying time needs to be adjusted, determine whether the current drying progress is in the drying stage, and execute the corresponding program.

Exemplarily, if the controller of the clothes drying device receives an instruction to adjust the drying time, it needs to determine whether the current drying progress is suitable for adjusting the drying time. In this embodiment, the general drying process includes a drying stage and an additional drying stage. It is determined whether the current drying progress is in the drying stage. If the current drying progress is in the drying stage, the drying time can be adjusted. When the current drying progress is not in the drying stage, that is, in the additional drying stage, the drying time cannot be adjusted. The drying stage is to heat and dehumidify the clothes. At the end of the drying stage, the moisture content of the clothes is generally between 10% and 16%. The stage of continuing drying is called the drying stage. The drying stage ensures that the clothes have a suitable moisture content. After drying, the time of adding drying is closely related to the time of drying stage. Therefore, in order to better control the moisture content of clothes and avoid excessive drying or failure of drying, the drying time should be adjusted in the drying stage.

Optionally, adjusting the drying time includes: judging whether to increase the time, adding the time to the original drying time in response to the judgment result of increasing the time, and reducing the time from the original drying time in response to the judgment result of reducing the time. Exemplarily, the user can operate the add-drying button 31 and determine the drying time that needs to be increased. The drying time is automatically increased on the basis of the drying time. On the contrary, the user can operate the drying reduction button 32 and determine the drying time to be reduced. The drying time is automatically reduced on the basis of time.

In this embodiment, the baking button 31 corresponds to a plurality of time increasing gears, and the increased time corresponding to the multiple time increasing gears increases sequentially, and the baking button 31 is pressed once to adjust a time increasing gear, so that User action. In other embodiments, it can also be set that each time the add-bake button 31 is pressed, a specific value is added on the basis of the originally selected added time value, and the time to be added is selected in an accumulative manner.

The bake reduction button 32 corresponds to multiple time reduction gears, and the reduction time corresponding to the multiple time reduction gears decreases sequentially. The bake reduction button 32 is pressed once to adjust a time reduction gear for user operation. In other embodiments, it can also be set that each time the bake reduction button 32 is pressed, a specific value is reduced on the basis of the originally selected reduced time value, and the time to be reduced is selected in a cumulative manner.

The drying method of the clothes drying equipment provided by this embodiment can manually adjust the drying time without stopping the drying time in the process of adjusting the drying time, thereby improving the drying efficiency, and the drying time can be adjusted in time according to the actual drying demand, avoiding The problem of over-drying or not drying can protect the clothes from damage and improve the user's satisfaction.

Embodiment 3

This embodiment provides a drying method for a clothes drying device, which is applied to the clothes drying device provided in Embodiment 1. The drying method provided by this embodiment mainly includes the following steps:

The following describes the drying method of the clothes drying device provided in this embodiment in detail with reference to FIG. 4 . The drying method includes the following steps:

Step 2: During the drying process, determine whether the actual moisture content of the clothes to be dried at the preset time point in the drying process is within the range of the preset moisture content at the preset time point. If the actual moisture content of the clothes to be dried at the preset time point is not within the range of the preset moisture content at the preset time point, the user is prompted to adjust the drying time.

Exemplarily, in order to improve the drying effect of the clothes drying equipment, the actual moisture content of the clothes to be dried is detected at a preset time point in the drying process. The preset time points corresponding to different drying programs are Detecting whether the actual moisture content of the clothes to be dried at the preset time point is within the range of the preset moisture content at the preset time point set by the program, and the actual moisture content of the clothes to be dried at the preset time point In the case where the preset moisture content at the preset time point set by the program is within the range of the preset moisture content, it means that the drying progress of the clothes drying equipment is normal, and the actual moisture content of the clothes to be dried at the preset time point is not In the case where the preset moisture content at the preset time point set by the program is within the range of the preset moisture content, it proves that there will be a problem of not drying or excessive drying.

Optionally, judging whether the actual moisture content of the clothes to be dried is greater than the maximum value of the preset moisture content at the preset time point, and when the actual moisture content of the clothes to be dried is greater than the maximum preset moisture content at the preset time point If the actual moisture content of the clothes to be dried is less than the minimum value of the preset moisture content at the preset time point, the user will be prompted to reduce the drying time, so that the clothes drying equipment can be used more intelligently. It can also provide guidance for users to avoid excessive drying caused by user errors and damage to clothes.

In this embodiment, the drying process includes a drying stage and an additional drying stage, and the preset time point is set in the drying stage. The drying stage is to heat and dehumidify the clothes. At the end of the drying stage, the moisture content of the clothes is generally between 10% and 16%. The drying time is closely related to the drying time. Therefore, in order to better control the moisture content of the clothes and avoid over-drying or not drying, the clothes to be dried should be judged in the drying stage. moisture content to adjust the drying time.

Step 3: Determine whether there is an instruction input by the user to adjust the drying time.

Step 4: If there is an instruction for adjusting the drying time input by the user, obtain the adjusted time value input by the user and adjust the drying time.

Exemplarily, in this embodiment, it is necessary to determine whether to increase the drying time, and in the case of increasing the drying time, increase the time to the original drying time to prevent the laundry from drying out. If the drying time is reduced, reduce the time on the original drying time. The user can operate the add-drying button 31 and determine the drying time that needs to be increased. The drying time is automatically increased. On the contrary, the user can operate the drying reduction button 32 and determine the drying time to be reduced. The drying time is automatically reduced on the basis of time.

Optionally, the baking button 31 corresponds to a plurality of time increase gears, and the increased time corresponding to the multiple time increase gears increases sequentially, and the baking button 31 is pressed once to adjust a time increase gear, so that the user can operate. . In other embodiments, it can also be set that each time the add-bake button 31 is pressed, a specific value is added on the basis of the originally selected added time value, and the time to be added is selected in an accumulative manner.

In the drying method of the clothes drying device provided in this embodiment, in the process of adjusting the drying time, the drying time can be manually adjusted without stopping the machine, thereby improving the drying efficiency, and the drying time can be adjusted in time according to the actual drying demand , avoid the problem of excessive drying or drying, protect the clothes from damage, and improve the user's satisfaction.

Claims

A clothes drying device, comprising a box body (1) and an operation panel (2) arranged on the box body (1), the operation panel (2) is provided with an adjustment button, and the adjustment button can be used for The user operates to adjust the drying time of the laundry drying apparatus.
The clothes drying apparatus according to claim 1, wherein the adjustment buttons include a drying-adding button (31) and a drying-reducing button (32), and the drying-adding button (31) can be operated by a user to increase drying time , the drying reduction button (32) can be operated by the user to reduce the drying time.
A drying method for clothes drying equipment, applied in the clothes drying equipment according to any one of claims 1-2, the drying method comprising:

During the drying process, determine whether there is an instruction input by the user to adjust the drying time;

In response to an instruction to adjust the drying time input by the user, the adjusted time value input by the user is acquired and the drying time is adjusted.
The drying method for clothes drying equipment according to claim 3,

Before judging whether there is an instruction to adjust the drying time input by the user, the method further includes:

judging whether the actual moisture content of the clothes to be dried at a preset time point in the drying process is within the range of the preset moisture content at the preset time point, in response to the preset time point in the drying process If the actual moisture content of the dry laundry is not within the range of the preset moisture content at the preset time point, the user is prompted to adjust the drying time.
The drying method for clothes drying equipment according to claim 4, wherein the drying process includes a drying stage and a drying stage, and the preset time point is set in the drying stage.
The drying method for clothes drying equipment according to claim 4, wherein the actual moisture content of the clothes to be dried at a preset time point in the drying process is not the preset moisture content at the preset time point Within the range, prompt the user to adjust the drying time, including:

In response to the actual moisture content of the clothes to be dried being greater than the maximum value of the preset moisture content at the preset time point, prompting the user to increase the drying time;

In response to the actual moisture content of the laundry to be dried being less than the minimum value of the preset moisture content at the preset time point, the user is prompted to reduce the drying time.
The drying method for clothes drying equipment according to claim 3, wherein the drying process includes a drying stage and a drying stage, and before acquiring the adjusted time value input by the user and adjusting the drying time, further comprising:

It is judged whether the current drying progress is in the drying stage, and the drying time can be adjusted in response to the current drying progress being in the drying stage.
The drying method for clothes drying equipment according to claim 6 or 7, wherein the drying button (31) corresponds to a plurality of time increase gears, and the increased time corresponding to the plurality of time increase gears increases sequentially , the time-increasing gear is adjusted when the baking button (31) is pressed once.
The drying method for clothes drying equipment according to claim 6 or 7, wherein the drying reduction button (32) corresponds to a plurality of time reduction gears, and the reduction times corresponding to the plurality of time reduction gears are successively decreased. , one of the time reduction gears is adjusted when the bake reduction button (32) is pressed once.
The drying method of the clothes drying device according to claim 3, before drying starts, further comprising: estimating the drying time of the clothes to be dried according to the weight and moisture content of the clothes to be dried.