阅读说明：本技术 一种洗干机烘干温度的控制方法、洗干机 (Control method for drying temperature of washing and drying machine and washing and drying machine ) 是由 杨泽斌 陈鍚鍚 韩伟 戴浩乾 于 2020-11-12 设计创作，主要内容包括：本发明公开了一种洗干机烘干温度的控制方法、洗干机。所述控制方法包括：在进入烘干阶段后,对衣物进行称重获取衣物重量；根据所述衣物重量的变化确定相对应的预设重量差值；根据所述衣物重量的变化和所述预设重量差值调节烘干温度；按照所述烘干温度对衣物进行烘干处理。该洗干机采用上述的控制方法,使得其在烘干过程中更加节能,且缩短了烘干时间,提升了用户的使用体验。(The invention discloses a control method of drying temperature of a washing and drying machine and the washing and drying machine. The control method comprises the following steps: after entering a drying stage, weighing the clothes to obtain the weight of the clothes; determining a corresponding preset weight difference value according to the change of the weight of the clothes; adjusting the drying temperature according to the change of the weight of the clothes and the preset weight difference value; and drying the clothes according to the drying temperature. The washing and drying machine adopts the control method, so that the washing and drying machine is more energy-saving in the drying process, shortens the drying time and improves the use experience of users.)

1. A control method for drying temperature of a washing and drying machine is characterized by comprising the following steps:

after entering a drying stage, weighing the clothes to obtain the weight of the clothes;

determining a corresponding preset weight difference value according to the change of the weight of the clothes;

adjusting the drying temperature according to the change of the weight of the clothes and the preset weight difference value;

and drying the clothes according to the drying temperature.

2. The method of claim 1, wherein weighing the laundry to obtain the weight of the laundry comprises:

and weighing the clothes according to a preset time interval in the drying process and acquiring the weight of the clothes at a corresponding moment.

3. The method of claim 2, wherein determining the corresponding preset weight difference value according to the change in the weight of the laundry comprises:

determining the clothes weight grade corresponding to the current clothes weight according to the clothes weight at the current moment;

and selecting a corresponding preset weight difference value according to the clothes weight grade corresponding to the current clothes weight.

4. The method of claim 3, wherein adjusting the drying temperature according to the change in the weight of the laundry and the preset weight difference comprises:

determining the weight difference of the clothes at two adjacent moments acquired at the preset time interval in the drying process;

comparing the clothes weight difference value with a preset weight difference value, and when the preset weight difference value is less than or equal to the preset weight difference value, continuing drying after reducing the drying temperature; otherwise, the current drying temperature is kept for continuous drying.

5. The method of claim 4, wherein the step of continuing to dry after decreasing the drying temperature comprises:

and reducing the drying temperature according to the preset temperature difference and continuously drying the clothes.

6. The control method of drying temperature of washer dryer as claimed in claim 5, wherein said preset temperature difference is decreased with the decrease of said laundry weight grade,

wherein the higher the laundry weight rating, the greater the corresponding laundry weight.

7. The method of claim 5, wherein the preset temperature difference is a fixed temperature difference, and the fixed temperature difference is in a range of 5 ℃ to 20 ℃.

8. The method as claimed in any one of claims 3 to 7, wherein the weight difference value corresponding to two adjacent clothes weight grades is a fixed weight difference value.

9. A washer dryer, characterized in that it is drying by means of a control method according to any one of claims 1-8.

10. The washer dryer as recited in claim 9, wherein the washer dryer comprises:

a housing;

an inner drum installed in the housing and having an accommodating chamber formed therein for accommodating laundry;

and the drying device is used for feeding hot air into the inner barrel to dry the clothes.

Technical Field

The invention relates to the technical field of washing and drying machines, in particular to a control method of drying temperature of a washing and drying machine and the washing and drying machine.

Background

At present, the electric heating type drum washing and drying machine basically faces the problem that the power consumption is large in the whole drying process and the problem of serious energy consumption occurs; the intelligent air inlet temperature adjusting device has the advantages that the function of intelligently adjusting the temperature of the air inlet is not available, the opening time of the electric heating pipe can not be well controlled, the water and electricity consumption can not be saved while the completion of load drying is guaranteed, and poor experience is brought to users.

Disclosure of Invention

In view of the above, the invention discloses a control method for drying temperature of a washing and drying machine and the washing and drying machine, which are used for at least solving the problem of serious energy consumption of the washing and drying machine in the drying process.

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

the invention discloses a control method of drying temperature of a washing and drying machine in a first aspect, which comprises the following steps:

after entering a drying stage, weighing the clothes to obtain the weight of the clothes;

determining a corresponding preset weight difference value according to the change of the weight of the clothes;

adjusting the drying temperature according to the change of the weight of the clothes and the preset weight difference value;

and drying the clothes according to the drying temperature.

In a further alternative,

the weighing the clothes to obtain the weight of the clothes comprises the following steps:

and weighing the clothes according to a preset time interval in the drying process and acquiring the weight of the clothes at a corresponding moment.

In a further alternative,

determining a corresponding preset weight difference value according to the change in the laundry weight comprises:

determining the clothes weight grade corresponding to the current clothes weight according to the clothes weight at the current moment;

and selecting a corresponding preset weight difference value according to the clothes weight grade corresponding to the current clothes weight.

In a further alternative,

adjusting the drying temperature according to the change in the laundry weight and the preset weight difference comprises:

determining the weight difference of the clothes at two adjacent moments acquired at the preset time interval in the drying process;

comparing the clothes weight difference value with a preset weight difference value, and when the preset weight difference value is less than or equal to the preset weight difference value, continuing drying after reducing the drying temperature; otherwise, the current drying temperature is kept for continuous drying.

In a further alternative,

the step of continuing drying after the drying temperature is reduced comprises the following steps:

and reducing the drying temperature according to the preset temperature difference and continuously drying the clothes.

In a further alternative,

the preset temperature difference is decreased as the weight grade of the laundry is lowered,

wherein the higher the laundry weight rating, the greater the corresponding laundry weight.

In a further alternative,

the preset temperature difference is a fixed temperature difference, and the range of the fixed temperature difference is 5-20 ℃.

In a further alternative,

and the weight difference value corresponding to the weight grades of the two adjacent clothes is a fixed weight difference value.

The invention discloses a washing and drying machine in a second aspect, and the washing and drying machine adopts the control method to dry.

In a further alternative,

the washing and drying machine comprises:

a housing;

an inner drum installed in the housing and having an accommodating chamber formed therein for accommodating laundry;

and the drying device is used for feeding hot air into the inner barrel to dry the clothes.

Has the advantages that: according to the invention, through improving the drying control of the washing and drying machine and adding an auxiliary drying judgment mode in the drying process, the temperature of the air inlet is intelligently adjusted, the opening time of the electric heating pipe is shortened, the water and electricity consumption is saved while the completion of load drying is ensured, the drying, cooling and cooling time is shortened, the time of the whole drying process is shortened, and the user experience is facilitated.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.

FIG. 1 is a schematic diagram illustrating a control flow of a drying temperature of a washer dryer according to an embodiment;

FIG. 2 illustrates a schematic structural view of a washer dryer of an embodiment;

fig. 3 illustrates a control logic diagram of the washer dryer of an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

The invention can be used for judging the change of the moisture content of clothes in the washing machine according to the load weighing by adding an intelligent control mode for assisting in dry judgment in the drying process, thereby intelligently adjusting the temperature of an air inlet and reducing the energy consumption while finishing drying. The control method realizes intelligent adjustment of the temperature of the air inlet, shortens the opening time of the electric heating pipe, saves the water and electricity consumption while ensuring the completion of load drying, shortens the drying, cooling and cooling time, and shortens the time of the whole drying process.

To further illustrate the technical solution of the present invention, the following specific examples are provided with reference to fig. 1 to 3.

Example 1

As shown in fig. 1, in the present embodiment, there is provided a control method for drying temperature of a washer dryer, the control method comprising:

after entering a drying stage, weighing the clothes to obtain the weight of the clothes;

determining a corresponding preset weight difference value according to the change of the weight of the clothes;

adjusting the drying temperature according to the change of the weight of the clothes and a preset weight difference value;

and drying the clothes according to the drying temperature.

In this embodiment, weigh based on at least twice, satisfy after the clothing weight difference that obtains after weighing is less than preset weight difference, realize cooling adjustment to the temperature, avoided the waste of the energy. The temperature adjustment may be performed once or a plurality of times. When the adjustment is carried out once, the subsequent drying process is carried out at a constant temperature after the temperature is reduced until the drying is finished; and when the adjustment is carried out for multiple times, the weight of the clothes is collected for multiple times in the corresponding subsequent drying process, after multiple times of comparison, the corresponding drying temperature is obtained, and then the drying is continued in a variable temperature mode until the drying is finished.

Preferably, weighing the laundry in the present embodiment to obtain the laundry weight includes:

and weighing the clothes according to a preset time interval in the drying process and acquiring the weight of the clothes at a corresponding moment. In this way, the laundry inside the drum is weighed and recorded separately at certain time intervals. And judging the change of the water content of the clothes according to the weight of the clothes obtained at the corresponding time interval.

The control method can judge the change of the moisture content of the clothes in the washing machine according to the change of the load weighing, so that the temperature of the air inlet is intelligently adjusted, and the energy consumption of the washing and drying machine is reduced while the drying is finished. Preferably, the determining the preset weight difference value according to the variation of the weight of the laundry in the present embodiment includes:

determining the clothes weight grade corresponding to the current clothes weight according to the clothes weight at the current moment; and then selecting a corresponding preset weight difference value according to the clothes weight grade corresponding to the current clothes weight. The preset weight difference value is used as a reference standard for judging whether the water content reduction reaches the standard or not. It should be noted that, when setting the preset weight difference, the preset weight difference corresponding to each clothes weight class may be set to be the same value, or the preset weight difference corresponding to each clothes weight class may be set to be different values.

Preferably, the adjusting of the drying temperature according to the variation of the weight of the laundry and the preset weight difference in the present embodiment includes:

determining the weight difference of clothes at two adjacent moments acquired at preset time intervals in the drying process; then comparing the clothes weight difference value with a preset weight difference value, and when the preset weight difference value is less than or equal to the preset weight difference value, reducing the drying temperature and continuing drying; otherwise, the current drying temperature is kept for continuous drying.

In this embodiment, the continuing of the drying after the drying temperature is lowered includes: and reducing the drying temperature according to the preset temperature difference and continuously drying the clothes. In one optional approach: the preset temperature difference is decreased as the weight grade of the laundry is lowered. It should be noted that, in the present embodiment, the higher the clothes weight grade is, the larger the corresponding clothes weight is. Namely: with the deep drying degree, the temperature reduction amplitude is correspondingly reduced. In another alternative, the preset temperature difference may be set to a fixed temperature difference ranging from 5 ℃ to 20 ℃.

According to the invention, an auxiliary drying judgment mode is added in the drying process, the drying control process is optimized, the temperature of the air inlet is intelligently adjusted in the drying process, the opening time of the electric heating pipe is shortened, the water and electricity consumption is saved while the completion of load drying is ensured, the drying cooling time is shortened, the time of the whole drying process is shortened, and the user experience is facilitated.

Example 2

As shown in fig. 2-3, the present embodiment provides a washing and drying machine, which performs drying by using any one of the above control methods, so that the washing and drying machine is more energy-saving.

Alternatively, as shown in fig. 2, the washing and drying machine includes: a housing; and an inner cylinder installed in the housing, and formed with an accommodating chamber for accommodating laundry; and a drying device for feeding hot air into the inner drum to dry the clothes.

Furthermore, the drying device of the washing and drying machine comprises a drying air duct communicated to the inner cylinder; and the fan and the electric heater are arranged in the drying air duct. It should be noted that, when the air is sent to the inner barrel through the drying air duct, one-way air supply can be set, that is, hot air is sent to the inner barrel through the air supply duct, and hot air with moisture after drying clothes is discharged through the air outlet duct; alternatively, a circulating air supply is provided, namely: the air supply duct is also communicated with the air return duct, and at least one drying device can be additionally arranged at a proper position to ensure the air drying.

Optionally, a damper can be additionally arranged between the inner barrel and the shell, vibration and noise generated in the working process of the washing and drying machine are reduced through the damper, and the user experience is improved.

The operation of the washer dryer will now be further described with reference to fig. 3.

At the beginning stage of drying, load weighing processing is firstly carried out, and weighing results are divided into a plurality of grades, such as: load0, Load1 and Load2 … …, wherein N is a natural number, each clothes weight grade corresponds to corresponding delta Load (N), and N is a natural number. The value of each level of delta load (N) is set according to the motor and the acquired experimental data, and the difference value of each delta load (N) is set in a certain range (such as a range of [ a, b ]); each level difference range is gradually increased, for example, Δ Load (0) is in the range of [ a, b), [ b, c ] Δ Load (1) is in the range of [ c, d) … …, where a < b < c < d, where a, b, c, d are constants. In addition, a and b, b and c, c and d … are interval ranges, and the difference between the upper limit and the lower limit may be the same or different, and a fixed difference is not required. The laundry weight grades may be divided by the weight difference between them by 0.5kg or 1 kg.

After the program records the first weighing grade, the washing and drying machine carries out the normal drying process, the weighing is carried out firstly from the initial t moment in the drying process, then, weighing processing is carried out once at an interval of delta t, the weighing processing is recorded as Load (t), Load (t +. DELTA.t), Load (t + 2. DELTA.t) … … Load (t + (N-1). DELTA.t) and Load (t + N. DELTA.t), the change of the weighing values of the last two times is compared each time, if the value of Load (t) -Load (t +. DELTA.t) >. DELTA.load (N) (N is 0, 1, 2 … N, the value of N is related to the weighing grade before drying, for example, if the weighing grade before drying is Load3, N is 3, and so on), the water content of the clothes in the washing machine drum is still too high in the drying process, the air inlet temperature of the air inlet does not need to be changed, and the current set temperature and the control logic are continuously kept for drying; on the contrary, if Load (T) — Load (T +. DELTA.t) is less than or equal to Delta Load (N), the moisture content of the Load in the drum at the moment is lower, but the drying judgment condition is not met, if the current set higher temperature is continuously kept for drying, the dehumidification efficiency cannot be obviously improved, even is reduced, and the energy consumption is wasted, so the original air inlet temperature is not required to be kept for drying, at the moment, the drying control mode is changed, the temperature of the air inlet is reduced by Delta T ℃ for drying treatment, and the drying operation is finished until the set drying judgment condition is met, wherein the Delta T ℃ is the preset temperature difference.

By adopting the drying control mode, water and electricity are saved while the drying is ensured to be finished, and after the drying judgment condition is met, the operation cooling process is performed, because the temperature of the air inlet is reduced in advance, the time required by the whole cooling process is greatly shortened, the opening time of the fan is also shortened, and further the electricity consumption is saved.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.