阅读说明：本技术 一种干衣机的控制方法及干衣机 (Control method of clothes dryer and clothes dryer ) 是由 马洪彪 姚龙平 赵新丰 王冀海 杜兆斌 宋宜俊 夏俊 于 2019-03-26 设计创作，主要内容包括：本发明公开了一种干衣机的控制方法及干衣机,涉及家用电器技术领域。该干衣机的控制方法包括：检测湿负载的重量以及环境温度,根据所述湿负载的重量及所述环境温度预估干衣时间。该干衣机的控制方法中,可以根据环境温度和湿负载的重量预估干衣时间并显示,使得干衣机的干衣时间是根据使用情况变化的,灵活性好,对应烘干效果好；干衣时间的预估考虑了湿负载的重量以及环境温度,不仅考虑了负载中的含水量,还考虑了环境温度对烘干效率的影响,有利于提高干衣时间的预估准确性,从而改善用户的使用体验。(The invention discloses a control method of a clothes dryer and the clothes dryer, and relates to the technical field of household appliances. The control method of the clothes dryer comprises the following steps: and detecting the weight of the wet load and the ambient temperature, and estimating the clothes drying time according to the weight of the wet load and the ambient temperature. In the control method of the clothes dryer, the clothes drying time can be estimated and displayed according to the ambient temperature and the weight of the wet load, so that the clothes drying time of the clothes dryer is changed according to the use condition, the flexibility is good, and the corresponding drying effect is good; the weight of the wet load and the environmental temperature are considered in the estimation of the drying time, the water content in the load is considered, the influence of the environmental temperature on the drying efficiency is also considered, the estimation accuracy of the drying time is improved, and therefore the use experience of a user is improved.)

1. A control method of a clothes dryer is characterized in that the weight of a wet load and the ambient temperature are detected, and the clothes drying time is estimated according to the weight of the wet load and the ambient temperature.

2. The control method of the dryer according to claim 1, wherein the weight of the wet load is calculated by collecting a value of the humidity of the wet load for a first time after a drying process is started.

3. The control method of a dryer according to claim 1, wherein the ambient temperature is obtained by detecting a temperature of an air outlet of a condenser in the dryer at a first time after a drying process is started.

4. The control method of the dryer according to claim 2 or 3, wherein the first time is 1.5-2.5 min.

5. The control method of the clothes dryer according to any one of claims 1 to 3, wherein a correspondence table of the weight of the wet load, the ambient temperature and the drying time is prestored in the clothes dryer, and the drying time is obtained by table look-up after detecting the weight of the wet load and the ambient temperature.

6. The control method of a dryer according to any one of claims 1 to 3, wherein a user selects a drying degree before a drying process is started, and the drying time is estimated based on the weight of the wet load, the ambient temperature, and the drying degree.

7. The control method of a dryer according to any one of claims 1 to 3, wherein the drying process includes a drying stage and a cooling stage in sequence, and before the cooling stage is operated, the current humidity in the dryer is detected and compared with a first preset humidity value to determine whether the load is dried.

8. The control method of a dryer according to claim 7, wherein if the current humidity is less than the first preset humidity value, the drying process is ended; and if the current humidity is not less than the first preset humidity value, calculating the additional drying time, and continuing to operate the additional drying time in the drying stage.

9. The control method of the dryer of claim 8, wherein if the current humidity is not less than the first preset humidity value, determining whether the current humidity is greater than a second preset humidity value, wherein the second preset humidity value is greater than the first preset humidity value; if the current humidity is greater than the second preset humidity value, the additional drying time is a second time; if the current humidity is smaller than the second preset humidity value, the additional drying time meets the following formula:

wherein T' is the additional drying time, Δ T is the time taken for the humidity value to decrease from the second preset humidity value to the current humidity, hum is the current humidity, hum₁For a first predetermined humidity value, hum₂Is a second predetermined humidity value.

10. The control method of the dryer of claim 8, wherein if the current humidity is not less than the first preset humidity value, determining whether the current humidity is greater than a second preset humidity value, wherein the second preset humidity value is greater than the first preset humidity value; if the current humidity is greater than the second preset humidity value, the additional drying time is a second time; if the current humidity is smaller than the second preset humidity value, the additional drying time meets the following formula:

wherein T' is the supplemented drying time, T is the estimated drying time, delta T is the time taken for the humidity value to be reduced from the second preset humidity value to the current humidity, hum is the current humidity, hum₁For a first predetermined humidity value, hum₂K is a constant, is a second predetermined humidity value.

11. Laundry dryer, characterized in that it applies a control method of a laundry dryer according to any one of claims 1 to 10.

Technical Field

The invention relates to the technical field of household appliances, in particular to a control method of a clothes dryer and the clothes dryer.

Background

With the improvement of life quality, the domestic clothes dryer market is rapidly developed in recent years. The dryer is a clean household appliance that instantly evaporates and dries moisture in washed laundry by using electric heating. A heater is generally used in the dryer to heat air, thereby drying the laundry. Because heaters such as heating wires or heating pipes have the defects of high energy consumption, long clothes drying time, poor safety and the like, a heat pump type clothes dryer appears in the prior art, and a heat pump system is used, so that the heat recycling is enhanced, and the energy consumption is reduced.

The heat pump type dryer, when started, will display the drying time (or the remaining drying time) according to the program selected by the user. At present, the clothes drying time of a heat pump type clothes dryer is generally set according to different programs before the clothes dryer leaves a factory, the clothes drying time cannot be changed, the flexibility is poor, the clothes drying time cannot be adjusted according to the actual situation of wet clothes, the set clothes drying time has larger deviation with the clothes drying time actually required by the wet clothes, and the use experience of a user is reduced. In the prior art, a few heat pump type clothes dryers can estimate clothes drying time before a clothes drying program runs, but the clothes drying time is inaccurate, and the use experience of a user is influenced.

Therefore, a control method of a dryer and a dryer are needed to solve the above problems.

Disclosure of Invention

One objective of the present invention is to provide a control method for a clothes dryer, which can estimate the drying time and has high accuracy of the drying time.

In order to achieve the purpose, the invention adopts the following technical scheme:

a control method of a clothes dryer detects the weight of a wet load and the ambient temperature, and estimates the clothes drying time according to the weight of the wet load and the ambient temperature.

Wherein the weight of the wet load is calculated by collecting a humidity value of the wet load within a first time after the start of the drying program.

And acquiring the ambient temperature by detecting the temperature of an air outlet of a condenser in the clothes dryer.

Wherein the first time is 1.5-2.5 min.

And the clothes drying machine is internally pre-stored with a corresponding relation table of the weight of the wet load, the environmental temperature and the clothes drying time, and the clothes drying time is obtained by checking the table after the weight of the wet load and the environmental temperature are detected.

Before the clothes drying program is started, a user selects the drying degree, and clothes drying time is estimated according to the weight of the wet load, the environment temperature and the drying degree.

The clothes drying program comprises a drying stage and a cold air stage which are sequentially carried out, wherein before the cold air stage is operated, the current humidity in the clothes dryer is detected and compared with a first preset humidity value, and whether the load is dried or not is judged.

If the current humidity is small and the first preset humidity value is obtained, the clothes drying procedure is finished; and if the current humidity is not less than the first preset humidity value, calculating the additional drying time, and continuing to operate the additional drying time in the drying stage.

If the current humidity is not smaller than the first preset humidity value, judging whether the current humidity is larger than a second preset humidity value, wherein the second preset humidity value is larger than the first preset humidity value; if the current humidity is greater than the second preset humidity value, the additional drying time is a second time; if the current humidity is smaller than the second preset humidity value, the additional drying time meets the following formula:

wherein T' is the additional drying time, Δ T is the time taken for the humidity value to decrease from the second preset humidity value to the current humidity, hum is the current humidity, hum₁For a first predetermined humidity value, hum₂Is a second predetermined humidity value.

If the current humidity is not smaller than the first preset humidity value, judging whether the current humidity is larger than a second preset humidity value, wherein the second preset humidity value is larger than the first preset humidity value; if the current humidity is greater than the second preset humidity value, the additional drying time is a second time; if the current humidity is smaller than the second preset humidity value, the additional drying time meets the following formula:

wherein T' is the supplemented drying time, T is the estimated drying time, delta T is the time taken for the humidity value to be reduced from the second preset humidity value to the current humidity, hum is the current humidity, hum₁For a first predetermined humidity value, hum₂K is a constant, is a second predetermined humidity value.

The invention also aims to provide the clothes dryer, which can estimate the drying time, has high accuracy of the drying time and is beneficial to improving the use experience of a user.

In order to achieve the purpose, the invention adopts the following technical scheme:

a clothes dryer applies the control method of the clothes dryer.

Has the advantages that: the invention provides a control method of a clothes dryer and the clothes dryer. In the control method of the clothes dryer, the clothes drying time can be estimated and displayed according to the ambient temperature and the weight of the wet load, so that the clothes drying time of the clothes dryer is changed according to the use condition, the flexibility is good, and the corresponding drying effect is good; the weight of the wet load and the environmental temperature are considered in the estimation of the drying time, the water content in the load is considered, the influence of the environmental temperature on the drying efficiency is also considered, the estimation accuracy of the drying time is improved, and therefore the use experience of a user is improved.

Drawings

Fig. 1 is a flowchart of a control method of a dryer according to an embodiment of the present invention;

FIG. 2 is a flowchart of a control method of a dryer according to a second embodiment of the present invention;

FIG. 3 is a flowchart of a control method of a dryer according to a third embodiment of the present invention;

fig. 4 is a flowchart of a control method of a dryer according to a fourth embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.