CN112481977B - Clothes drying equipment, drying control method and device thereof, and storage medium - Google Patents
Clothes drying equipment, drying control method and device thereof, and storage medium Download PDFInfo
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- CN112481977B CN112481977B CN202011308456.6A CN202011308456A CN112481977B CN 112481977 B CN112481977 B CN 112481977B CN 202011308456 A CN202011308456 A CN 202011308456A CN 112481977 B CN112481977 B CN 112481977B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/04—Signal transfer or data transmission arrangements
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/26—Condition of the drying air, e.g. air humidity or temperature
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/28—Air properties
- D06F2103/32—Temperature
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/28—Electric heating
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention provides a clothes drying device, a drying control method, a drying control device and a storage medium, wherein the method comprises the following steps: after the clothes drying equipment enters a drying process, when the detected air outlet temperature of the roller reaches a preset air outlet temperature value, controlling the electric heating pipe to stop heating, and controlling the roller to rotate for dehydration; acquiring the slope of a cooling curve of the current load of the roller in the dehydration process, and determining the weight of the current load of the roller according to the acquired slope of the cooling curve; and after the preset dehydration time, controlling the electric heating pipe to continue heating, and controlling the target air inlet temperature of the roller according to the determined weight of the current load. The scheme provided by the invention can accurately measure the load weight of the clothes drying equipment and control the target inlet air temperature of the rotary drum according to the load weight.
Description
Technical Field
The invention relates to the field of control, in particular to clothes drying equipment, a drying control method and device thereof, and a storage medium.
Background
The weighing value of the clothes drying equipment can directly influence the subsequent drying time, and further influences the power consumption and the water consumption. The traditional weighing mode is that Load is distinguished according to the Load value fed back by the motor, accuracy is poor, and distinguishable grades are few.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and provides a clothes drying apparatus, a drying control method and device thereof, and a storage medium, so as to solve the problem of inaccurate weighing of clothes during the drying process in the prior art.
In one aspect, the present invention provides a drying control method of a laundry drying apparatus, including: after the clothes drying equipment enters a drying process, when the detected air outlet temperature of the roller reaches a preset air outlet temperature value, controlling the electric heating pipe to stop heating, and controlling the roller to rotate for dehydration; acquiring the slope of a cooling curve of the current load of the roller in the dehydration process, and determining the weight of the current load of the roller according to the acquired slope of the cooling curve; and after the preset dehydration time, controlling the electric heating pipe to continue heating, and controlling the target air inlet temperature of the roller according to the determined weight of the current load.
Optionally, determining the weight of the current load of the drum according to the obtained slope of the cooling curve includes: determining the weight of the current load of the roller according to the interval of the slope in more than two preset slope value intervals; and/or, controlling the target inlet air temperature of the roller according to the determined weight of the current load, comprising: acquiring set maximum heating time corresponding to the current load according to the determined weight of the current load; and controlling the target inlet air temperature of the roller according to the acquired set maximum heating time corresponding to the current load.
Optionally, controlling the target intake air temperature of the drum according to the obtained set maximum heating time corresponding to the current load, including: acquiring heating time from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature of the roller reaches a preset temperature difference threshold; if the heating time is less than or equal to the set maximum heating time, reducing the target inlet air temperature of the roller by a first preset temperature value; and if the heating time is longer than the set maximum heating time, the target inlet air temperature of the roller is increased by a second preset temperature value.
Optionally, the method further comprises: acquiring a dry judgment parameter corresponding to the current load of the roller according to the weight of the current load of the roller; the trunk judging parameters comprise: the set temperature difference between the return air temperature and the outlet air temperature; different weights correspond to different set temperature differences of return air temperature and outlet air temperature.
Another aspect of the present invention provides a drying control device of a clothes drying apparatus, comprising: the detection unit is used for detecting whether the air outlet temperature of the roller reaches a preset air outlet temperature value or not after the clothes drying equipment enters a drying process; the control unit is used for controlling the electric heating pipe to stop heating and controlling the roller to rotate for dehydration when the detection unit detects that the air outlet temperature of the roller reaches a preset air outlet temperature value; the determining unit is used for acquiring the slope of a cooling curve of the current load of the roller in the dehydration process and determining the weight of the current load of the roller according to the acquired slope of the cooling curve; the control unit is further configured to: and after the preset dehydration time, controlling the electric heating pipe to continue heating, and controlling the target air inlet temperature of the roller according to the determined weight of the current load.
Optionally, the determining unit determines the weight of the current load of the drum according to the obtained slope of the cooling curve, and includes: determining the weight of the current load of the roller according to the interval of the slope in more than two preset slope value intervals; and/or the control unit controls the target inlet air temperature of the roller according to the determined weight of the current load, and comprises: acquiring set maximum heating time corresponding to the current load according to the determined weight of the current load; and controlling the target inlet air temperature of the roller according to the acquired set maximum heating time corresponding to the current load.
Optionally, controlling the target intake air temperature of the drum according to the obtained set maximum heating time corresponding to the current load, including: acquiring heating time from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature of the roller reaches a preset temperature difference threshold; if the heating time is less than or equal to the set maximum heating time, reducing the target inlet air temperature of the roller by a first preset temperature value until the drying is finished; and if the heating time is longer than the set maximum heating time, increasing the target inlet air temperature of the roller by a second preset temperature value until the drying is finished.
Optionally, the method further comprises: the parameter acquisition unit is used for acquiring a trunk judgment parameter corresponding to the current load of the roller according to the weight of the current load of the roller; the trunk judging parameter comprises: the set temperature difference between the return air temperature and the outlet air temperature; different weights correspond to different set temperature differences of return air temperature and outlet air temperature.
A further aspect of the invention provides a storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of any of the methods described above.
Yet another aspect of the present invention provides a clothes drying apparatus comprising a processor, a memory, and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the methods described above when executing the program.
The invention further provides clothes drying equipment which comprises any one of the drying control devices.
According to the technical scheme of the invention, in the drying process, the weight of the clothes is judged according to the slope value of the cooling curve in the dehydration process of the load (clothes), so that the weight (weighing value) of the clothes can be measured more accurately; according to the measured weight of the clothes, the target inlet air temperature of the roller is correspondingly adjusted, so that the drying efficiency is improved and the energy consumption is reduced while the clothes are dried.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not limit the invention. In the drawings:
fig. 1 is a method schematic diagram of an embodiment of a drying control method of a clothes drying apparatus provided by the present invention;
FIG. 2 is a graph showing the relationship between the drum outlet air temperature and the drying time during the drying process for different weights of loads;
FIG. 3 is a schematic flow chart diagram illustrating one embodiment of the step of controlling the intake air temperature of the drum based on the determined weight of the current load;
fig. 4 is a method schematic diagram of an embodiment of a drying control method of a clothes drying apparatus according to the present invention;
fig. 5 is a block diagram of a control device of a clothes drying apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a method schematic diagram of an embodiment of a drying control method of a clothes drying apparatus provided by the present invention. The laundry drying apparatus may particularly be a washer dryer and/or a dryer.
As shown in fig. 1, according to an embodiment of the present invention, the drying control method includes at least step S110, step S120, and step S130.
Step S110, after the clothes drying equipment enters a drying process, when the detected air outlet temperature of the roller reaches a preset air outlet temperature value, controlling the electric heating pipe to stop heating, and controlling the roller to rotate for dehydration.
Experiments prove that compared with the mode of firstly dewatering and then heating, the mode of firstly heating and then dewatering is adopted in the drying process, the drying time can be effectively shortened, and therefore the control flow of firstly heating and then dewatering is adopted in the initial drying stage. Namely, after the drying process is started, the electric heating pipe is controlled to start heating, when the air outlet temperature of the drum of the clothes drying equipment is detected to reach a preset air outlet temperature value T0, the electric heating pipe is controlled to stop heating, and the drum is controlled to rotate at a set rotating speed Nrpm/min for dehydration for a duration Tmin.
Step S120, the slope of the cooling curve of the current load of the roller in the dehydration process is obtained, and the weight of the current load of the roller is determined according to the obtained slope of the cooling curve.
The slope of the cooling curve of the current load (clothes to be dried) of the drum in the dehydration process can be specifically a curve of the change of the drum outlet air temperature with time in the dehydration process. The air outlet temperature is detected by the roller air outlet temperature sensing bulb, for example. In some embodiments, the weight of the current load of the drum is determined according to an interval in which the slope is located in more than two preset slope value intervals. Wherein, the more than two slope value intervals correspond to different weights respectively.
Fig. 2 shows a relationship curve between the drum outlet air temperature and the drying time during the drying process for loads of different weights, that is, the temperature change process of the load in the drum during the drying process (the outlet air temperature is approximate to the load temperature). Specifically, after the electric heating pipe stops heating, the temperature of the load in the roller is reduced, and the temperature reduction trends of loads with different weights are different. As shown in fig. 2, the slope of the cooling curve when the load is 4kg is obviously smaller than the slope of the cooling curve when the load is 8kg in the cooling stage, that is, the cooling trends of the loads with different weights are different, so that the slope value of the cooling curve can be mapped with the weight of the load to be dried in the drum. Specifically, the cooling curve slope value is divided into at least two slope value intervals, each of the at least two slope value intervals corresponds to one weight, and the corresponding weight may be a weight interval or a weight grade, for example, the drum load weight is divided into at least two weight grades correspondingly, and the at least two slope value intervals correspond to the at least two weight grades one to one. And acquiring the slope of a cooling curve of the current load of the roller in the dewatering process, and judging the load weight according to the slope interval of the slope value of the cooling curve in the at least two slope value intervals. According to experimental measurements, the smaller the slope value of the curve, the less the loading in the drum.
For example, the slope value is divided into the following intervals: (0, k 1), (k1, k 2), (k2, k 3),. cndot (kn-1, kn ]; correspondingly, each section corresponds to a weight (e.g., weight grade): (0, k 1) -Load 1, (k1, k 2) -Load 2, (k2, k 3) -Load 3,. cndot (kn-1, kn ] -Load, where 0 < k1 < k2 < k3 < … < kn, and Load1 < Load2 < 3 < … < Load.
And S130, after the dehydration is carried out for a preset time, controlling the electric heating pipe to continue heating, and controlling the target air inlet temperature of the roller according to the determined weight of the current load.
And (3) dewatering for a preset time, after determining the weight of the current load of the roller according to the slope of the cooling curve of the current load, controlling the electric heating pipe to continue heating, and controlling the target air inlet temperature of the roller according to the determined weight of the current load. Optionally, the target inlet air temperature is achieved by controlling the heating pipe to start and stop.
FIG. 3 is a flowchart illustrating one embodiment of the step of controlling the intake air temperature of the drum based on the determined weight of the current load. As shown in fig. 3, in a specific embodiment, step S130 includes step S131 and step S132.
And S131, acquiring the set maximum heating time corresponding to the current load according to the determined weight of the current load.
Specifically, the set maximum heating time is the maximum heating time taken from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature reaches a preset temperature difference in the drying process. According to the measurement result of the experiment, no matter how many loads (under rated capacity) are placed in the washing machine drum, when the temperature difference value of the return air temperature and the outlet air temperature reaches the preset temperature difference value (when the difference between the temperature values of the detection temperatures of the return air temperature sensing bulb and the outlet air temperature sensing bulb is more than or equal to delta T ℃), the moisture content of the loads is low. Correspondingly, the load of each weight (grade) corresponds to a set heating time from the beginning of drying to the time when the temperature difference between the return air temperature and the outlet air temperature reaches a preset temperature difference, namely, the maximum heating time is set, namely, each weight (grade) corresponds to a drying grade, and each drying grade corresponds to a set heating time. For example, each load of weight (grade) has a set maximum heating time built in a program from the beginning of drying to the occurrence of a temperature difference Δ T (c), and the mapping relationship between the set maximum heating time Tn and the weight grade Loadn is, for example: load 1-T1, Load 2-T2, Load 3-T3, …, Loadn-Tn.
The set maximum heating time corresponding to each load weight (from the beginning of drying to the time when the temperature difference between the return air temperature and the outlet air temperature reaches the preset temperature difference) can be measured under laboratory conditions. For example, in the laboratory, the time from the start of drying until the occurrence of the temperature difference Δ T for each weight was tested using a standard euro standard load from 0.5kg, 1.0kg, 1.5kg..
And S132, controlling the target inlet air temperature of the roller according to the acquired set maximum heating time corresponding to the current load.
Specifically, the heating time from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature of the roller reaches a preset temperature difference threshold value is obtained; if the heating time is less than or equal to the set maximum heating time, reducing the target inlet air temperature of the roller by a first preset temperature value until the drying is finished; and if the heating time is longer than the set maximum heating time, increasing the target inlet air temperature of the roller by a second preset temperature value until the drying is finished. The first preset temperature value and the second preset temperature value may be the same or different.
For example, in the actual drying process, the actual heating time T (which can be realized by a memory chip on the main board of the washing machine and a built-in program) from the start of drying to the occurrence of the temperature difference Δ T ℃ (when the temperature difference between the return air temperature and the outlet air temperature reaches a preset temperature difference threshold) is accumulated, and the built-in program maximum time Tk (k is 1, 2, 3, etc., n) corresponding to the weight is compared with T. If T is less than or equal to Tk, the water absorption of the load is poor, the drying is easy, the target temperature (target air inlet temperature) of the air inlet is reduced by delta T ℃, and then the drying is carried out until the operation of the program is finished; if T is larger than or equal to TK, the water absorption of the load is high, and the load is difficult to dry, the target temperature (target air inlet temperature) of the air inlet is increased by delta T ℃, and then drying is carried out until the program operation is finished.
Optionally, the method further comprises: and acquiring a dryness judging parameter corresponding to the current load of the roller according to the weight of the current load of the roller.
The drying judgment parameter is a parameter for judging whether the current load of the roller is dried. In some embodiments, the decision parameter comprises: the set temperature difference between the return air temperature and the outlet air temperature; that is, when the temperature difference between the return air temperature and the outlet air temperature reaches the set temperature, it is determined that the current load has been dried. Different weights correspond to different set temperature differences of return air temperature and outlet air temperature.
Specifically, whether the clothes are dried is judged according to the temperature difference value between the return air temperature sensing bulb and the outlet air temperature sensing bulb, different weights (for example, weight grades) of Loadn correspond to different return air temperatures and different set temperature differences Δ Tn of outlet air temperatures, and the mapping relation is as follows: load 1- Δ T1, Load 2- Δ T2, Load 3- Δ T3, …, Load n- Δ Tn.
Fig. 4 is a method schematic diagram of an embodiment of a drying control method of a clothes drying apparatus according to the present invention. As shown in fig. 4, after drying starts, a load is placed, a drying program is selected, an electric heating pipe is controlled to heat for temperature rise, when the detected temperature of an air-out temperature sensing bulb reaches T0, heating is stopped, dehydration is performed, the drying grade (weight grade) of the load is determined according to the slope value of a cooling curve measured in the dehydration process, time Tk is arranged in a corresponding program, the time T from the beginning of drying to the occurrence of temperature difference delta T ℃ is calculated, if T is larger than or equal to Tk, the air inlet temperature is increased delta T ℃, and otherwise, the air inlet temperature is reduced delta T ℃.
Fig. 5 is a block diagram of an embodiment of a drying control device of a clothes drying apparatus according to the present invention. The laundry drying apparatus may particularly be a washer dryer and/or a dryer.
As shown in fig. 5, the drying control apparatus 100 includes a detection unit 110, a control unit 120, and a determination unit 130.
The detection unit 110 is configured to detect whether the outlet air temperature of the drum reaches a preset outlet air temperature value after the clothes drying device enters a drying process. The control unit 120 is configured to control the electric heating pipe to stop heating when the detection unit detects that the outlet air temperature of the drum reaches a preset outlet air temperature value, and control the drum to rotate for dehydration.
Experiments prove that compared with the mode of firstly dewatering and then heating, the mode of firstly heating and then dewatering is adopted in the drying process, the drying time can be effectively shortened, and therefore the control flow of firstly heating and then dewatering is adopted in the initial drying stage. That is, after the drying process, the electric heating pipe is controlled to start heating, the detection unit 110 detects whether the outlet air temperature of the drum reaches a preset outlet air temperature value T0 after the drying process, and when the outlet air temperature of the drum of the clothes drying equipment reaches a preset outlet air temperature value T0, the control unit 120 controls the electric heating pipe to stop heating, and controls the drum to rotate at a set rotation speed Nrpm/min for dehydration for a duration Tmin.
The determining unit 130 is configured to obtain a slope of a cooling curve of the current load of the drum during the dewatering process, and determine the weight of the current load of the drum according to the obtained slope of the cooling curve; the control unit 120 is further configured to: and after the preset dehydration time, controlling the electric heating pipe to continue heating, and controlling the air inlet temperature of the roller according to the determined weight of the current load.
The slope of the cooling curve of the current load of the roller in the dehydration process can be specifically a curve of the change of the air outlet temperature of the roller along with time in the dehydration process. The air outlet temperature is detected by the roller air outlet temperature sensing bulb, for example. In some embodiments, the determining unit 130 determines the weight of the current load of the drum according to an interval in which the slope is located in more than two preset slope value intervals. Wherein, the more than two slope value intervals correspond to different weights respectively.
Fig. 2 shows a relationship curve between the drum outlet air temperature and the drying time during the drying process for loads of different weights, that is, the temperature change process of the load in the drum during the drying process (the outlet air temperature is approximate to the load temperature). Specifically, after the electric heating pipe stops heating, the temperature of the load in the roller is reduced, and the temperature reduction trends of loads with different weights are different. As shown in fig. 2, the slope of the cooling curve when the load is 4kg is obviously smaller than the slope of the cooling curve when the load is 8kg in the cooling stage, that is, the cooling trends of the loads with different weights are different, so that the slope value of the cooling curve can be mapped with the weight of the load to be dried in the drum. Specifically, the cooling curve slope value is divided into at least two slope value intervals, each of the at least two slope value intervals corresponds to one weight, and the corresponding weight may be a weight interval or a weight grade, for example, the drum load weight is divided into at least two weight grades correspondingly, and the at least two slope value intervals correspond to the at least two weight grades one to one. And acquiring the slope of a cooling curve of the current load of the roller in the dewatering process, and judging the load weight according to the slope interval of the slope value of the cooling curve in the at least two slope value intervals. According to experimental measurements, the smaller the slope value of the curve, the less the load in the drum.
For example, the slope value is divided into the following intervals: (0, k 1), (k1, k 2), (k2, k 3),. and (kn-1, kn ]; correspondingly, each interval corresponds to a weight (e.g., weight class) (0, k 1) -Load 1, (k1, k 2) -Load 2, (k2, k 3) -Load 3,. and (kn-1, kn ] -Load, where 0 < k1 < k2 < k3 < … < kn, and Load1 < Load2 < Load3 < … < Load.
The control unit 120 controls the preset dehydration time of the clothes drying device, and after the determining unit 130 determines the weight of the current load of the drum according to the slope of the cooling curve of the current load, the control unit 120 controls the electric heating pipe to continue heating, and controls the target inlet air temperature of the drum according to the determined weight of the current load.
In one embodiment, the control unit 120 controls the target intake air temperature of the drum according to the determined weight of the current load, including: acquiring set maximum heating time corresponding to the current load according to the determined weight of the current load; and controlling the target inlet air temperature of the roller according to the determined set maximum heating time corresponding to the current load.
Specifically, the set maximum heating time is the maximum heating time taken from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature reaches a preset temperature difference in the drying process. According to the measurement result of the experiment, no matter how many loads (under rated capacity) are placed in the washing machine drum, when the temperature difference value of the return air temperature and the outlet air temperature reaches the preset temperature difference value (when the difference between the temperature values of the detection temperatures of the return air temperature sensing bulb and the outlet air temperature sensing bulb is more than or equal to delta T ℃), the moisture content of the loads is low. Correspondingly, the load of each weight (grade) corresponds to a set heating time from the beginning of drying to the time when the temperature difference between the return air temperature and the outlet air temperature reaches a preset temperature difference, namely, the maximum heating time is set, namely, each weight (grade) corresponds to a drying grade, and each drying grade corresponds to a set heating time. For example, each weight (grade) load has a set maximum heating time built in a program from the beginning of drying to the occurrence of a temperature difference Δ T (c), and the mapping relationship between the set maximum heating time Tn and the weight load is, for example: load 1-T1, Load 2-T2, Load 3-T3, …, Loadn-Tn.
The set maximum heating time corresponding to each load weight (from the beginning of drying to the time when the temperature difference between the return air temperature and the outlet air temperature reaches the preset temperature difference) can be measured under laboratory conditions. For example, in the laboratory, the time from the start of drying until the occurrence of the temperature difference Δ T for each weight was tested using a standard euro standard load from 0.5kg, 1.0kg, 1.5kg..
The control unit 120 obtains the heating time from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature of the drum reaches a preset temperature difference threshold; if the heating time is less than or equal to the set maximum heating time, reducing the target inlet air temperature of the roller by a first preset temperature value until the drying is finished; and if the heating time is longer than the set maximum heating time, increasing the target inlet air temperature of the roller by a second preset temperature value until the drying is finished. The first preset temperature value and the second preset temperature value may be the same or different. Optionally, the target inlet air temperature is achieved by controlling the heating pipe to start and stop.
For example, in the actual drying process, the actual heating time T (which can be realized by a memory chip on the main board of the washing machine and a built-in program) from the start of drying to the occurrence of the temperature difference Δ T ℃ (when the temperature difference between the return air temperature and the outlet air temperature reaches a preset temperature difference threshold) is accumulated, and T is compared with the built-in program maximum time Tk (k is 1, 2, 3,.. and n) corresponding to the weight. If T is less than or equal to TK, the water absorption of the load is poor, the load is easy to dry, the target temperature (target air inlet temperature) of the air inlet is reduced by delta T ℃, and then drying is carried out until the program operation is finished; if T is larger than or equal to Tk, the water absorption of the load is stronger, and the load is difficult to dry, the target temperature (target air inlet temperature) of the air inlet is increased by delta T ℃, and then the load is dried until the operation of the program is finished.
Optionally, the drying control device 100 further includes: a parameter acquisition unit (not shown). And the parameter acquisition unit is used for acquiring the dry judgment parameter corresponding to the current load of the roller according to the weight of the current load of the roller.
The drying judgment parameter is a parameter for judging whether the current load of the roller is dried. In some embodiments, the decision parameter comprises: the set temperature difference between the return air temperature and the outlet air temperature; that is, when the temperature difference between the return air temperature and the outlet air temperature reaches the set temperature, it is determined that the current load has been dried. Different weights correspond to different set temperature differences of air return temperature and air outlet temperature.
Specifically, whether the clothes are dried is judged according to the temperature difference value between the return air temperature sensing bulb and the outlet air temperature sensing bulb, different weights (for example, weight grades) of Loadn correspond to different return air temperatures and different set temperature differences Δ Tn of outlet air temperatures, and the mapping relation is as follows: load 1- Δ T1, Load 2- Δ T2, Load 3- Δ T3, …, Load n- Δ Tn.
The present invention also provides a storage medium corresponding to the control method of the laundry drying apparatus, having a computer program stored thereon, which when executed by a processor, implements the steps of any of the methods described above.
The invention also provides a clothes drying device corresponding to the control method of the clothes drying device, which comprises a processor, a memory and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of any one of the methods when executing the program.
The invention also provides a clothes drying device corresponding to the control device of the clothes drying device, which comprises the control device of any one of the clothes drying devices.
Therefore, according to the scheme provided by the invention, the weight of the clothes can be judged according to the slope value of the cooling curve in the dehydration process of the load (clothes), and the weight (weighing value) of the clothes can be more accurately measured; according to the measured weight of the clothes, the target inlet air temperature of the roller is correspondingly adjusted, so that the drying efficiency is improved and the energy consumption is reduced while the clothes are dried.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the following claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and the parts serving as the control device may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (8)
1. A drying control method of a clothes drying apparatus, comprising:
after the clothes drying equipment enters a drying process, when the detected air outlet temperature of the roller reaches a preset air outlet temperature value, controlling the electric heating pipe to stop heating, and controlling the roller to rotate for dehydration;
acquiring the slope of a cooling curve of the current load of the roller in the dehydration process, and determining the weight of the current load of the roller according to the acquired slope of the cooling curve;
after the preset dehydration time period, controlling the electric heating pipe to continue heating, and controlling the target air inlet temperature of the roller according to the determined weight of the current load, wherein the controlling the target air inlet temperature of the roller according to the determined weight of the current load comprises:
acquiring set maximum heating time corresponding to the current load according to the determined weight of the current load; controlling the target inlet air temperature of the roller according to the acquired set maximum heating time corresponding to the current load;
wherein, according to the maximum heating time control of setting that obtains the current load corresponds the target inlet air temperature of cylinder includes:
acquiring heating time from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature of the roller reaches a preset temperature difference threshold; if the heating time is less than or equal to the set maximum heating time, reducing the target inlet air temperature of the roller by a first preset temperature value until the drying is finished; and if the heating time is longer than the set maximum heating time, increasing the target inlet air temperature of the roller by a second preset temperature value until the drying is finished.
2. The method of claim 1,
determining the weight of the current load of the roller according to the obtained slope of the cooling curve, wherein the method comprises the following steps:
and determining the weight of the current load of the roller according to the interval of the slope in more than two preset slope value intervals.
3. The method of claim 1 or 2, further comprising:
acquiring a dryness judging parameter corresponding to the current load of the roller according to the weight of the current load of the roller;
the trunk judging parameters comprise: the set temperature difference between the return air temperature and the outlet air temperature; different weights correspond to different set temperature differences of return air temperature and outlet air temperature.
4. A drying control device of a clothes drying apparatus, comprising:
the detection unit is used for detecting whether the air outlet temperature of the roller reaches a preset air outlet temperature value or not after the clothes drying equipment enters a drying process;
the control unit is used for controlling the electric heating pipe to stop heating and controlling the roller to rotate for dehydration when the detection unit detects that the air outlet temperature of the roller reaches a preset air outlet temperature value;
the determining unit is used for acquiring the slope of a cooling curve of the current load of the roller in the dehydration process and determining the weight of the current load of the roller according to the acquired slope of the cooling curve;
the control unit is further configured to: after the dehydration is carried out for a preset time, controlling the electric heating pipe to continue heating, and controlling the target air inlet temperature of the roller according to the determined weight of the current load;
wherein the control unit controls the target intake air temperature of the drum according to the determined weight of the current load, including:
acquiring set maximum heating time corresponding to the current load according to the determined weight of the current load; controlling the target inlet air temperature of the roller according to the acquired set maximum heating time corresponding to the current load;
wherein, according to the maximum heating time control of setting that obtains the current load corresponds the target inlet air temperature of cylinder includes:
acquiring heating time from the beginning of drying until the temperature difference between the return air temperature and the outlet air temperature of the roller reaches a preset temperature difference threshold; if the heating time is less than or equal to the set maximum heating time, reducing the target inlet air temperature of the roller by a first preset temperature value until the drying is finished; and if the heating time is longer than the set maximum heating time, increasing the target inlet air temperature of the roller by a second preset temperature value until the drying is finished.
5. The apparatus of claim 4,
the determining unit determines the weight of the current load of the roller according to the obtained slope of the cooling curve, and comprises:
and determining the weight of the current load of the roller according to the interval of the slope in more than two preset slope value intervals.
6. The apparatus of claim 4 or 5, further comprising:
the parameter acquisition unit is used for acquiring a dry judgment parameter corresponding to the current load of the roller according to the weight of the current load of the roller;
the trunk judging parameters comprise: the set temperature difference between the return air temperature and the outlet air temperature; different weights correspond to different set temperature differences of return air temperature and outlet air temperature.
7. A storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 3.
8. Laundry drying apparatus, characterized in that it comprises a processor, a memory and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method according to any one of claims 1-3 when executing said program, or comprising drying control means of the laundry drying apparatus according to any one of claims 4-6.
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| CN115341362A (en) * | 2021-05-14 | 2022-11-15 | 青岛海尔滚筒洗衣机有限公司 | Control method of clothes treatment equipment and clothes treatment equipment |
| CN113622148B (en) * | 2021-07-29 | 2024-03-26 | 无锡飞翎电子有限公司 | Clothes treatment equipment, load judging method and device thereof and storage medium |
| CN114182508B (en) * | 2021-11-30 | 2023-01-17 | 珠海格力电器股份有限公司 | Clothes drying judging method and device for clothes treatment equipment and clothes treatment equipment |
| CN116219712A (en) * | 2021-12-06 | 2023-06-06 | 重庆海尔洗衣机有限公司 | Temperature control method and device of clothes dryer, clothes dryer and storage medium |
| CN114197183B (en) * | 2021-12-21 | 2023-03-21 | 珠海格力电器股份有限公司 | Drying control method and device for washing and drying machine, storage medium and washing and drying machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8528228B2 (en) * | 2009-02-19 | 2013-09-10 | Whirlpool Corporation | Laundry treating appliance with drying rack detection based on imaging data |
| CN101831781B (en) * | 2009-03-10 | 2012-07-25 | 苏州三星电子有限公司 | Automatic drying method of drum washing machine |
| JP2011240041A (en) * | 2010-05-20 | 2011-12-01 | Sanyo Electric Co Ltd | Washing machine |
| KR20150052697A (en) * | 2013-11-06 | 2015-05-14 | 삼성전자주식회사 | Washing machine and control method thereof |
| CN108004718B (en) * | 2016-10-27 | 2021-08-03 | 博西华电器（江苏）有限公司 | Clothes care machine and method for detecting amount of clothes in clothes care machine |
| KR102138677B1 (en) * | 2017-04-18 | 2020-07-29 | 주식회사 에어로네트 | Negative-pressure, Air-jet Clothes Dryer Control Method |
| CN109957955B (en) * | 2017-12-25 | 2021-05-28 | 无锡小天鹅电器有限公司 | Control method and control device of washing and drying integrated machine and washing and drying integrated machine |
| CN109023829B (en) * | 2018-08-15 | 2020-12-22 | 广东格兰仕集团有限公司 | Automatic drying method of washing machine |
| CN110331568B (en) * | 2019-06-25 | 2021-10-26 | 无锡小天鹅电器有限公司 | Control method and device of clothes treatment device |
| KR102177970B1 (en) * | 2019-08-09 | 2020-11-12 | 엘지전자 주식회사 | Artificial intelligence laundry drying machine |
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