CN115012188B - Clothes treatment equipment, drying control method and device thereof and storage medium - Google Patents

Clothes treatment equipment, drying control method and device thereof and storage medium Download PDF

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Publication number
CN115012188B
CN115012188B CN202210575905.6A CN202210575905A CN115012188B CN 115012188 B CN115012188 B CN 115012188B CN 202210575905 A CN202210575905 A CN 202210575905A CN 115012188 B CN115012188 B CN 115012188B
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Prior art keywords
temperature
drying
interval
determining
value
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CN202210575905.6A
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CN115012188A (en
Inventor
胡蒙
周永杰
张进叶
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Wuxi Little Swan Electric Co Ltd
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Wuxi Little Swan Electric Co Ltd
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Priority to CN202210575905.6A priority Critical patent/CN115012188B/en
Publication of CN115012188A publication Critical patent/CN115012188A/en
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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
    • D06F58/20—General details of domestic laundry dryers 
    • 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
    • D06F58/40—Control of the initial heating of the drying chamber to its operating temperature
    • 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
    • D06F2103/12—Temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The application discloses a clothes treatment device, a drying control method and device thereof and a storage medium. By applying the technical scheme of the application, in the starting process of a drying program, the temperature values of a plurality of points in the drying barrel can be acquired according to the temperature sensor such as the infrared array sensor, and the temperature value of each point is belonged to the corresponding temperature interval. So that the drying state of the load in the clothes dryer barrel is judged by the temperature standard deviation between the temperature points in each temperature interval and the temperature quantity in the highest temperature interval. Therefore, the problem that the humidity detection result is not accurate enough due to the fact that the single-point temperature sensor cannot accurately sense the temperature distribution of the whole clothes in the related technology is avoided.

Description

Clothes treatment equipment, drying control method and device thereof and storage medium
Technical Field
The application relates to the technology of electrical equipment, in particular to clothes treatment equipment, a drying control method and device thereof and a storage medium.
Background
The clothes treatment equipment is taken as one of main household appliances, and has the advantages of low energy consumption, less abrasion, high cleaning ratio and the like, so that the clothes treatment equipment obtains consumer acceptance, and the market occupation ratio is continuously increased. In one embodiment, the laundry treating apparatus may be a laundry treating apparatus having a laundry drying function, such as a washing and drying integrated machine, a dryer, or the like.
Taking a laundry treatment apparatus as an example of a dryer, the dryer is a machine that blows hot air generated by a heater into a drum to dry laundry. In the related art, the laundry treating apparatus judges the drying state of laundry based on a single point temperature sensor provided inside the drying drum. However, this approach has a problem in that the single-point temperature sensor cannot accurately sense the temperature distribution of the entire laundry. Resulting in an inaccurate humidity detection result.
Disclosure of Invention
The embodiment of the application provides a clothes treatment device, a drying control method, a drying control device and a storage medium thereof, and aims to solve the problem that a single-point temperature sensor cannot accurately sense the temperature distribution of the whole clothes, so that the humidity detection result is not accurate enough in the related art.
According to one aspect of the embodiment of the present application, there is provided a drying control method of a laundry treatment apparatus, including:
receiving a drying program starting instruction, and collecting temperature values of a plurality of subareas in a drying barrel through a temperature sensor arranged in the drying barrel;
and drying and judging the load in the drying barrel based on the temperature values of the subareas and a plurality of preset temperature intervals.
Optionally, in another embodiment of the above method according to the present application, the drying judgment of the load in the drying tub based on the temperature value of each sub-area and a plurality of preset temperature intervals includes:
and respectively associating each sub-area into a temperature interval matched with the temperature value, and carrying out drying judgment on the load in the drying barrel based on the temperature interval associated with the corresponding sub-area.
Optionally, in another embodiment of the above method according to the present application, the drying judgment of the load in the drying tub based on the temperature interval associated with the corresponding sub-area includes:
determining a temperature parameter of each temperature interval based on the temperature value of the subarea associated with each temperature interval, wherein the temperature parameter comprises a uniform temperature distribution value corresponding to the temperature interval and the number of subareas;
and detecting that the temperature parameters of the temperature intervals meet target drying stop conditions, and determining that the drying program of the clothes treatment equipment is finished.
Optionally, in another embodiment of the above method according to the present application, the detecting that the temperature parameter of the plurality of temperature intervals satisfies a target drying stop condition, determining that the drying process of the laundry treatment apparatus is completed includes:
Determining that the temperature parameter of each temperature interval meets a first drying stop condition;
determining a high-temperature interval in the plurality of temperature intervals, wherein the high-temperature interval is a temperature interval corresponding to a highest temperature value range in the plurality of temperature intervals; the method comprises the steps of,
and determining that the temperature parameter of the high-temperature interval meets a second drying stopping condition, and determining that the drying program is finished.
Optionally, in another embodiment of the above method according to the present application, the determining that the temperature parameter of each temperature interval satisfies the first drying stop condition includes:
respectively determining a temperature distribution uniformity value of each temperature interval;
and determining that the temperature parameter of each temperature interval meets the first drying stop condition according to the fact that the temperature distribution uniformity value of each temperature interval is smaller than a first preset threshold value.
Optionally, in another embodiment of the above method according to the present application, the determining the temperature distribution uniformity value of each temperature interval includes:
based on the temperature values of the subareas contained in each temperature interval, respectively calculating a temperature standard deviation value or a temperature variance value of each temperature interval;
based on the temperature standard deviation value or the temperature variance value of each temperature interval, a temperature distribution uniformity value of the corresponding temperature interval is determined.
Optionally, in another embodiment of the above method according to the present application, the determining that the temperature parameter of the high temperature range meets the second drying stop condition includes:
detecting the number of sub-areas corresponding to the high temperature interval;
determining that the number of the subregions corresponding to the high-temperature interval is larger than a second preset threshold value, and determining that the temperature parameter of the high-temperature interval meets a second drying stop condition.
Optionally, in another embodiment of the above method according to the present application, after the determining that the temperature parameter of the high temperature range meets the second drying stop condition, the method further includes:
adding one to the drying cycle times;
determining that the number of times of drying cycle after adding one is larger than a preset value, and determining that the drying program is finished; or alternatively, the process may be performed,
and determining that the number of times of drying cycle after adding one is smaller than or equal to the preset value, and continuing to execute the drying program.
Optionally, in another embodiment of the above method according to the present application, the collecting, by the temperature sensor, temperature values of a plurality of sub-areas in the drying tub includes:
and uniformly collecting temperature values of a plurality of subareas in the drying barrel through the temperature sensor, wherein an overlapping area between every two adjacent subareas is lower than a preset range.
Optionally, in another embodiment of the above method according to the present application, after the determining the temperature parameters of the plurality of temperature intervals of the drying tub based on the temperature values of the respective sub-areas, the method further includes:
generating temperature distribution information in the drying barrel according to the temperature values of the subareas and a plurality of preset temperature intervals;
the temperature distribution information is displayed in a display area of the laundry treatment apparatus based on a preset display manner.
In accordance with still another aspect of the embodiments of the present application, there is provided an electronic device for controlling drying of a laundry treatment apparatus, comprising:
the acquisition module is arranged to receive a drying program starting instruction and acquire temperature values of a plurality of subareas in the drying barrel through a temperature sensor arranged in the drying barrel;
and the judging module is used for judging the drying of the load in the drying barrel based on the temperature value of each subarea and a plurality of preset temperature intervals.
According to still another aspect of the embodiment of the present application, there is provided a laundry treating apparatus including:
a memory for storing executable instructions; and
and a display for displaying with the memory to execute the executable instructions to complete the operation of the drying control method of any one of the laundry treating apparatuses.
According to still another aspect of the embodiments of the present application, there is provided a computing device readable storage medium storing instructions readable by a computing device, the instructions when executed performing the operations of the drying control method of any one of the laundry treatment apparatuses described above.
In the application, a drying program starting instruction is received, and temperature values of a plurality of subareas in a drying barrel are acquired through a temperature sensor such as an infrared array arranged in the drying barrel; and drying and judging the load in the drying barrel based on the temperature values of the subareas and a plurality of preset temperature intervals. By applying the technical scheme of the application, the temperature values of a plurality of points in the drying barrel can be acquired according to the infrared array sensor in the starting process of the drying program, and the temperature value of each point is belonged to the corresponding temperature interval. So that the drying state of the load in the clothes dryer barrel is judged by the temperature standard deviation between the temperature points in each temperature interval and the temperature quantity in the highest temperature interval. Therefore, the problem that the humidity detection result is not accurate enough due to the fact that the single-point temperature sensor cannot accurately sense the temperature distribution of the whole clothes in the related technology is avoided.
The technical scheme of the application is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.
The application may be more clearly understood from the following detailed description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic diagram of a system architecture of a drying control of a laundry treatment apparatus according to the present application;
fig. 2 is a schematic view illustrating a drying control method of a laundry treating apparatus according to the present application;
fig. 3 is a schematic view showing temperature distribution information in a display area in a laundry treatment apparatus according to the present application;
FIG. 4 is a schematic view showing a flow method of operation control of a laundry treatment apparatus according to the present application;
fig. 5 is a schematic structural view of a drying control device of a laundry treating apparatus according to the present application;
fig. 6 is a schematic structural view of a laundry treating apparatus according to the present application.
Detailed Description
Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In addition, the technical solutions of the embodiments of the present application may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.
A drying control method for a laundry treating apparatus according to an exemplary embodiment of the present application will be described with reference to fig. 1 to 4. It should be noted that the following application scenarios are only shown for facilitating understanding of the spirit and principles of the present application, and embodiments of the present application are not limited in this respect. Rather, embodiments of the application may be applied to any scenario where applicable.
Fig. 1 illustrates a schematic diagram of an exemplary system architecture 100 to which a drying control method of a laundry treatment apparatus or drying control of a laundry treatment apparatus of an embodiment of the present application may be applied.
As shown in fig. 1, the system architecture 100 may include one or more of intelligent laundry treatment devices 101, 102, 103, a network 104, and a server 105. The network 104 is used to provide a medium for communication links between the intelligent laundry treatment apparatuses 101, 102, 103 and the server 105. The network 104 may include various connection types, such as wired, wireless communication links, or fiber optic cables, among others.
It should be understood that the numbers of laundry treating apparatuses, networks and servers in fig. 1 are merely illustrative. There may be any number of laundry treating devices, networks and servers, as desired for implementation. For example, the server 105 may be a server cluster formed by a plurality of servers.
A user may interact with the server 105 through the network 104 using the intelligent laundry treatment devices 101, 102, 103 to receive or send messages, execute instructions, etc.
In one mode, the laundry treating apparatus 101, 102, 103 of the present application may be a laundry treating apparatus that provides a drying function. For example, the user is realized by the laundry treatment apparatus 103 (may also be the laundry treatment apparatus 101 or 102): receiving a drying program starting instruction, and collecting temperature values of a plurality of subareas in a drying barrel through a temperature sensor arranged in the drying barrel; and drying and judging the load in the drying barrel based on the temperature values of the subareas and a plurality of preset temperature intervals.
Further, the application also provides a drying control method and device of the clothes treatment equipment, the clothes treatment equipment and a medium.
Fig. 2 schematically illustrates a flowchart of a drying control method of a laundry treatment apparatus according to an embodiment of the present application. As shown in fig. 2, includes:
s201, receiving a drying program starting instruction, and collecting temperature values of a plurality of subareas in the drying barrel through a temperature sensor arranged in the drying barrel.
Further, the laundry treatment apparatus in the present application may be a drum-type laundry treatment apparatus, a washing and drying integrated machine, a clothes dryer, or the like having a drying function, or the like. In one mode, a drying program start instruction acting on the laundry treating apparatus may be manually generated by a user. The drying program start instruction acting on the laundry treating apparatus may be generated by itself when the laundry treating apparatus satisfies the preset condition.
Wherein, temperature sensor includes: an infrared temperature sensor, an array temperature sensor, or an infrared array sensor. During and/or before the operation of the laundry treating apparatus, temperature values of a plurality of sub-areas within the drying tub are collected by temperature sensors provided inside the drying tub.
In one possible implementation, the temperature sensor is an infrared array sensor, such as an infrared sensor arranged in an 8 x 8 pixel array. In this case, the infrared array sensor can collect the temperature values of 64 sub-areas inside the drying tub. Still alternatively, the infrared array sensor may be an infrared sensor arranged by a 4*4 pixel array. In this case, the infrared array sensor can collect the temperature values of 16 sub-areas inside the drying tub.
In one possible implementation, in one example, the infrared array sensor is disposed at a light drum inside the drying tub. In another example, the infrared array sensor may be provided at a front door inside the drying tub. The application is not limited in this regard, i.e., as long as the infrared array type sensor is provided inside the drying tub, and the temperature value of each position inside the tub can be uniformly detected.
In addition, in the embodiment of the application, the number of the temperature sensors may be one or more.
In one possible implementation, since the range of each sub-region may overlap with the range of other sub-regions. So that the infrared array sensor can uniformly detect the temperature value of each position in the barrel. In an example, in the embodiment of the present application, an overlapping area between each adjacent sub-area acquired by the infrared array sensor needs to be set below a preset range. Thereby avoiding the problem of inaccurate subsequent humidity detection results caused by uneven temperature acquisition positions.
S202, drying judgment is carried out on the load in the drying barrel based on the temperature values of all the subareas and a plurality of preset temperature intervals.
In one possible implementation manner, after the temperature value of each subarea in the drying drum is obtained, the temperature value of each subarea can be respectively attributed to a corresponding temperature interval. The preset temperature interval may be an interval of any temperature value range. For example, the temperature range A of 30-40 degrees, the temperature range B of 40-50 degrees, the temperature range C of 50-60 degrees, the temperature range D of 60-70 degrees, etc. are included.
Furthermore, in the embodiment of the application, the drying judgment can be performed on the load in the drying barrel based on the temperature intervals of the plurality of temperature values associated with the subareas. In one possible implementation, the drying judgment is performed on the load in the drying drum according to the temperature value of the associated subarea in each temperature interval. In another possible implementation, the drying judgment is performed on the load in the drying tub according to the number of the associated sub-areas in each temperature area. For example: determining the temperature value of each sub-area associated in the temperature interval A, determining the temperature value of each sub-area associated in the temperature interval B, determining the temperature value of each sub-area associated in the temperature interval C and the temperature value of each sub-area associated in the temperature interval D, and drying and judging the load in the drying barrel according to the temperature value of each sub-area associated in each temperature area. Also for example: determining the number of the subregions of the temperature interval A, determining the number of the subregions of the temperature interval B, determining the number of the subregions of the temperature interval C and the number of the subregions of the temperature interval D, and drying and judging the load in the drying barrel according to the number of the corresponding subregions in each temperature region.
As one example, a temperature parameter for each temperature interval is determined based on the temperature value of the sub-region to which each temperature interval is associated, the temperature parameter including a temperature distribution uniformity value and the number of sub-regions corresponding to the temperature interval to which it belongs; and determining that the drying program of the clothes treatment equipment is finished when the temperature parameters of the temperature intervals are detected to meet the target drying stop condition.
In one approach, the temperature parameter for each temperature interval is first calculated from the temperature value of each sub-region associated in each temperature interval. Such as: the temperature values of the associated sub-regions in temperature interval a include: and 3 temperature values of 31 degrees, 5 temperature values of 33 degrees, 4 temperature values of 34 degrees, 7 temperature values of 36 degrees and 6 temperature values of 38 degrees are obtained by calculating the temperature parameter of the temperature interval A according to the five temperature values and the number corresponding to each temperature value, and the temperature parameter in each temperature interval can be obtained in the same way. And when the temperature parameter of each temperature interval meets the target drying stopping condition, determining that the drying program of the clothes treatment equipment is finished. As another way, after obtaining the temperature parameter of each temperature interval, detecting that the temperature parameter meets the target drying stop condition, and determining that the drying program of the clothes treating apparatus is finished when the N temperature intervals meet the preset number.
In one possible embodiment, the target drying stop condition includes a first drying stop condition and a second drying stop condition. After the temperature parameter of each temperature interval is calculated, the temperature parameter of each temperature interval is determined to meet the first drying stop condition.
In one mode, the temperature parameter of each temperature interval includes a temperature distribution uniformity value within each temperature interval, and the temperature distribution uniformity value of each temperature interval is calculated from the temperature value of each sub-region associated in each temperature interval. Such as: the temperature values of the associated sub-regions in temperature interval a include: five temperature values of 31 degrees, 33 degrees, 34 degrees, 36 degrees and 38 degrees are obtained by calculating the temperature distribution uniformity value of the temperature interval A according to the five temperature values, and the temperature distribution uniformity value in each temperature interval can be obtained by the same method. When the temperature distribution uniformity value of each temperature interval is detected to be smaller than a first preset threshold value, the temperature distribution inside the drying cylinder can be judged to be uniform, the dried load is fully unfolded and dried, and the temperature parameter of each temperature interval is determined to meet the first drying stop condition. As another way, after obtaining the temperature distribution uniformity value in each temperature interval, detecting that the temperature distribution uniformity value is smaller than the temperature interval of the first preset threshold value, when the N temperature distribution uniformity values meet the preset number, determining that the temperature distribution inside the drying cylinder is uniform, fully expanding and drying the dried load, and determining that the temperature parameter of each temperature interval meets the first drying stop condition.
As a possible implementation, the temperature distribution uniformity value of the temperature interval may be achieved by calculating a temperature standard deviation value or a temperature variance value within the temperature interval. Specifically, the temperature standard deviation value or the temperature variance value of the temperature interval can be calculated by the temperature value corresponding to each sub-region belonging to the temperature interval. Such as: the temperature values of the associated sub-regions in temperature interval a include: five temperature values of 31 degrees, 33 degrees, 34 degrees, 36 degrees and 38 degrees can be calculated according to the five temperature values to obtain a temperature standard deviation value and a temperature variance value in the temperature interval A, and the temperature standard deviation value and the temperature variance value in each temperature interval can be obtained in the same way. And comparing the temperature standard deviation value or the temperature variance value in each temperature interval with a corresponding first preset threshold value. If the temperature standard deviation value or the temperature variance value of each temperature interval is smaller than a first preset threshold value, the temperature distribution uniformity value inside the current drying cylinder is considered to meet the first drying stop condition. The next judgment step can be carried out.
In another possible implementation manner, after determining that the temperature parameter of each temperature interval (the temperature parameter is a temperature distribution uniformity value corresponding to the temperature interval and the number of sub-areas, which are calculated by the temperature value of the sub-area associated with each temperature interval) satisfies the first drying stop condition, the laundry treatment apparatus determines a high temperature interval among the plurality of temperature intervals, determines that the temperature parameter of the high temperature interval satisfies the second drying stop condition, and determines that the drying procedure is completed. The high temperature section is a temperature section corresponding to the highest temperature range among the plurality of temperature sections.
In one example, the temperature interval includes, for example, a temperature interval a having a temperature value ranging from 30 degrees to 40 degrees, a temperature interval B having a temperature value ranging from 40 degrees to 50 degrees, a temperature interval C having a temperature value ranging from 50 degrees to 60 degrees, and a temperature interval D having a temperature value ranging from 60 degrees to 70 degrees.
In one possible implementation manner, detecting the number of sub-areas corresponding to the high temperature interval, and determining that the number of sub-areas corresponding to the high temperature interval is greater than a second preset threshold, if the temperature parameter of the high temperature interval is determined to meet a second drying stop condition.
Such as: the temperature values of the associated sub-regions in the temperature interval D include: five temperature values of 10 61 degrees, 12 63 degrees, 13 64 degrees, 10 66 degrees, and 13 68 degrees, the number of sub-regions corresponding to the temperature interval D is 10+12+13+10+13=55. When the number 55 of the subareas corresponding to the temperature interval D is detected to be larger than the second preset threshold 50, it can be determined that the dried load is sufficiently dried, and it is determined that the temperature parameter of the high temperature interval meets the second drying stop condition.
In one example, it is determined that the drying process of the laundry treating apparatus is completed at this time. In another example, the above-mentioned step of judging whether the temperature parameter of each temperature section satisfies the first drying stop condition and whether the temperature parameter of the high temperature section satisfies the second drying stop condition may be performed continuously. Until the condition that both drying stopping conditions of the preset times are met is reached.
In one example, for example, an infrared array sensor is comprised of a plurality of infrared sensors arranged in an 8 x 8 pixel array. It is required to collect the temperature values of 64 sub-areas in the drying tub. And then the temperature values corresponding to the 64 sub-areas are respectively belonged to the corresponding temperature intervals.
For example, at a certain time in the drying process, there are 10 sub-regions having a temperature value in a temperature interval a ranging from 30 degrees to 40 degrees, 10 sub-regions having a temperature value in a temperature interval B ranging from 40 degrees to 50 degrees, 40 sub-regions having a temperature value in a temperature interval C ranging from 50 degrees to 60 degrees, and 4 sub-regions having a temperature value in a temperature interval D ranging from 60 degrees to 70 degrees.
At this time, the drying judgment can be carried out on the load in the drying barrel according to the obtained temperature intervals. It is necessary to calculate the temperature standard deviation value or the temperature variance value of the temperature interval a, the temperature interval B, the temperature interval C, and the temperature interval D based on the temperature value of each sub-region corresponding to each temperature interval. Further, if it is determined that the temperature standard deviation value or the temperature variance value of the 4 temperature intervals are smaller than the threshold value, it is determined that the temperature parameter of each temperature interval satisfies the first drying stop condition. At this point, the next judgment step is entered.
Further, in this case, it is required to detect the temperature interval D having the temperature value range between 60 degrees and 70 degrees, where the number of the 40 sub-areas includes, for example, taking the second preset threshold value as 50 as an example, and then it may be determined that the number of the sub-areas in the high temperature interval does not satisfy the second drying stop condition, so that an instruction for continuing to start the drying procedure may be generated, and the temperature values of the plurality of sub-areas in the drying tub may be continuously collected in real time or periodically, so that the drying determination may be performed on the load in the drying tub based on the temperature values of the sub-areas and the plurality of preset temperature intervals again.
In another example, for example, taking the second preset threshold value as 30, it may be determined that the number of sub-areas in the high temperature interval satisfies the second drying stop condition. I.e. that the load in the drum has been sufficiently dried.
In this case, in one mode, after the laundry treating apparatus receives the first drying stop condition and the second drying stop condition, it may be determined that the current drying process is completed, and the laundry treating apparatus stops operating. In another way, in order to avoid the problem that the detection result caused by stopping the operation of the drying program when the detection of the drying stop condition is performed only once on the load is not accurate enough, in the embodiment of the present application, after the laundry processing apparatus receives the first drying stop condition and the second drying stop condition, the current drying cycle number may be increased by one, and whether the drying cycle number after the addition is greater than the preset value needs to be detected, if so, it is determined that the drying program is completed. And if not, continuing to execute the drying program and continuing to carry out drying judgment on the load in the drying barrel based on the acquired temperature values of the plurality of subareas and a plurality of preset temperature intervals.
In the application, a drying program starting instruction is received, and temperature values of a plurality of subareas in a drying barrel are collected through an infrared array sensor arranged in the drying barrel; and drying and judging the load in the drying barrel based on the temperature values of the subareas and a plurality of preset temperature intervals. By applying the technical scheme of the application, the temperature values of a plurality of points in the drying barrel can be acquired according to the infrared array sensor in the starting process of the drying program, and the temperature value of each point is belonged to the corresponding temperature interval. So that the drying state of the load in the clothes dryer barrel is judged by the temperature standard deviation between the temperature points in each temperature interval and the temperature quantity in the highest temperature interval. Therefore, the problem that the humidity detection result is not accurate enough due to the fact that the single-point temperature sensor cannot accurately sense the temperature distribution of the whole clothes in the related technology is avoided.
Optionally, in one possible embodiment of the present application, after determining the temperature parameters of the plurality of temperature intervals of the drying tub based on the temperature values of the respective sub-areas, the following steps may be further performed:
generating temperature distribution information in the drying barrel according to the temperature values of all the subareas and a plurality of preset temperature intervals;
The temperature distribution information is displayed in a display area of the laundry treating apparatus based on a preset display manner.
In one possible implementation, the laundry treatment apparatus, after temperature value acquisition at each sub-area within the drying drum by means of the infrared array sensor, is designed to be able to intuitively display the drying progress of the current load to the user. The laundry treating apparatus may display temperature distribution information inside the drying drum on a visualization panel of the laundry treating apparatus using a display manner such as a bar graph or a pie chart.
In one example, as shown in fig. 3, for example, there is a visual view of displaying temperature distribution information in a display area of the laundry treating apparatus using a display manner of a bar chart. Wherein the infrared array type sensor is composed of a plurality of infrared sensors arranged by 8 x 8 pixel arrays. It is required to collect the temperature values of 64 sub-areas in the drying tub. And then the temperature values corresponding to the 64 sub-areas are respectively belonged to the corresponding temperature intervals.
As can be seen from fig. 3, the embodiment of the present application divides the temperature into four temperature intervals, namely: 30 degrees or less, 30 degrees to 40 degrees, 40 degrees to 50 degrees and 50 degrees to 60 degrees. And counting the number of sub-areas within the four temperature intervals by the laundry treatment apparatus in real time or periodically. As can be seen from the graph, at a certain moment of clothes drying, the temperature of 40 points is in a range of 50-60, the temperature of 10 points is in a range of 40-50, the temperature of 10 points is in a range of 30-40, and the temperature of 4 points is in a range of less than 30. In one mode, the statistical values of all the temperature intervals can be displayed by using bars with different colors and different lengths, so that better visual experience is provided for users.
Optionally, in one possible embodiment of the present application, during the process of collecting the temperature values of the plurality of sub-areas in the drying tub by the infrared array type sensor disposed in the drying tub, the following two cases may be further included:
first case:
determining attribute information of the load in the drying barrel through a camera acquisition device arranged in the drying barrel, wherein the attribute information comprises at least one of the number and the type corresponding to the load;
determining a first collection number matched with the attribute information of the load;
and collecting temperature values of the subregions of the first collection quantity in the drying barrel.
In one possible implementation, embodiments of the present application may provide a plurality of infrared array sensors within the dryer drum. In one form, one or more infrared array sensors, which may be activated during receipt of a drying program start command, collect temperature values for a plurality of sub-areas within the drying tub.
In order to determine the collection number of the sub-areas which are more matched with the load, the embodiment of the application can also be combined with a camera collection device in the drying barrel to identify the number and the type of the load. In one example, the number of sub-areas acquired with the infrared array sensor may be greater, for example, when the number of loads is greater. In another example, when the type of load is cortical, a smaller number of sub-zone temperature values may be acquired using an infrared array sensor. And when the type of the load is cotton load, the infrared array sensor can be used for collecting more subarea temperature values.
In a possible implementation manner, the embodiment of the application can take a picture of the load in the drying drum by the camera acquisition device so as to obtain an image of the load. In one mode, the load image may be identified by using a preset image detection model, so as to determine a load feature in the load image, where the load feature may include at least one of a size feature, a material feature, and a quantity feature, for example. So that different collection numbers can be selected correspondingly according to the materials or the numbers of different loads.
Second case:
determining the distribution condition of the load in the drying barrel through a camera shooting acquisition device arranged in the drying barrel;
determining a second collection number matched with the distribution condition of the load;
and collecting temperature values of the subregions of the second collection quantity in the drying barrel.
In a possible implementation manner, in order to determine the collection number of sub-areas more matched with the load, the embodiment of the application can also be combined with a camera collection device inside the drying barrel to identify the distribution condition of the load in the drying barrel. In one example, for example, when the load is distributed in the left area inside the drying tub, the infrared array sensor near the left area inside the drying tub may be activated to collect the temperature value of the corresponding sub-area.
Optionally, in a possible embodiment of the present application, after receiving the drying program start command, the following steps may be further performed:
determining that the dried time length reaches the preset time length, and acquiring temperature values of a plurality of subareas in the drying barrel through an infrared array sensor arranged in the drying barrel.
In order to avoid the step that the clothes processing equipment just receives a drying program starting instruction, namely, collects temperature values of a plurality of subareas in a drying barrel and starts drying judgment on loads in the drying barrel, unnecessary operation resources consumed by the clothes processing equipment are reduced in the embodiment of the application. The step of collecting temperature values of a plurality of sub-areas in the drying tub through the infrared array type sensor provided in the drying tub may be selectively performed after the drying function is started for a certain time.
Fig. 4 is a flowchart of a drying control method of a laundry treatment apparatus according to the present application, wherein the laundry treatment apparatus is taken as an example of a dryer, and includes:
after the dryer is operated, data is collected by an infrared array sensor provided inside the dryer, and the initial drying cycle number t is determined to be 0, step 301.
In step 302, the infrared array sensor counts the temperature values in the preset four temperature intervals and the corresponding numbers of the temperature values in real time.
Step 303, displaying the temperature distribution condition in each temperature interval on a display screen outside the clothes dryer, so that a user can know the drying degree of clothes inside the clothes dryer in real time.
Step 304, calculating the variance in the four temperature intervals according to the temperature value and the corresponding number in each temperature interval.
Step 305, the variances in the four temperature intervals are compared with the threshold a, if the variances are smaller than the threshold a, the first drying stopping condition is determined to be satisfied, and then step 307 is performed, if not, step 306 is performed.
At step 306, the data is continuously collected by the infrared array sensor arranged inside the clothes dryer, and the drying cycle time t is still determined to be 0.
Step 307, determining whether the number of temperature values in the highest temperature interval is greater than a threshold value β within the 4 temperature intervals, if so, determining that the second drying stop condition is satisfied, proceeding to step 308, and if not proceeding to step 306.
Step 308, the number of drying cycles is increased by one, i.e. t is set to t+1, and the contents of steps 302-307 are continuously executed.
Step 309, determining that the drying program of the dryer is finished until the number of drying cycles t is greater than the threshold value y, and ending the program.
By applying the technical scheme of the application, the temperature values of a plurality of points in the drying barrel can be acquired according to the infrared array sensor in the starting process of the drying program, and the temperature value of each point is belonged to the corresponding temperature interval. So that the drying state of the load in the clothes dryer barrel is judged by the temperature standard deviation between the temperature points in each temperature interval and the temperature quantity in the highest temperature interval. Therefore, the problem that the humidity detection result is not accurate enough due to the fact that the single-point temperature sensor cannot accurately sense the temperature distribution of the whole clothes in the related technology is avoided.
In another embodiment of the present application, as shown in fig. 5, the present application also provides a drying control device of a laundry treating apparatus. The method comprises the following steps:
the acquisition module 401 is configured to receive a drying program starting instruction, and acquire temperature values of a plurality of subareas in the drying barrel through a temperature sensor arranged in the drying barrel;
the judging module 402 is configured to perform drying judgment on the load in the drying tub based on the temperature values of the sub-areas and a plurality of preset temperature intervals.
By applying the technical scheme of the application, the temperature values of a plurality of points in the drying barrel can be acquired according to the infrared array sensor in the starting process of the drying program, and the temperature value of each point is belonged to the corresponding temperature interval. So that the drying state of the load in the clothes dryer barrel is judged by the temperature standard deviation between the temperature points in each temperature interval and the temperature quantity in the highest temperature interval. Therefore, the problem that the humidity detection result is not accurate enough due to the fact that the single-point temperature sensor cannot accurately sense the temperature distribution of the whole clothes in the related technology is avoided.
In another embodiment of the present application, the determining module 402 is configured to:
and respectively associating each sub-area into a temperature interval matched with the temperature value, and carrying out drying judgment on the load in the drying barrel based on the temperature interval associated with the corresponding sub-area.
In another embodiment of the present application, the determining module 402 is configured to:
determining a temperature parameter of each temperature interval based on the temperature value of the subarea associated with each temperature interval, wherein the temperature parameter comprises a uniform temperature distribution value corresponding to the temperature interval and the number of subareas;
And detecting that the temperature parameters of the temperature intervals meet the target drying stop condition, and determining that the drying program of the clothes treatment equipment is finished.
In another embodiment of the present application, the determining module 402 is configured to:
determining that the temperature parameter of each temperature interval meets a first drying stop condition;
determining a high-temperature interval in a plurality of temperature intervals, wherein the high-temperature interval is a temperature interval corresponding to a highest temperature value range in the plurality of temperature intervals; the method comprises the steps of,
and determining that the temperature parameter of the high-temperature interval meets the second drying stop condition, and determining that the drying program is finished.
In another embodiment of the present application, the determining module 402 is configured to:
respectively determining a temperature distribution uniformity value of each temperature interval;
and determining that the temperature parameter of each temperature interval meets the first drying stop condition according to the fact that the temperature distribution uniformity value of each temperature interval is smaller than a first preset threshold value.
In another embodiment of the present application, the determining module 402 is configured to:
based on the temperature values of the subareas contained in each temperature interval, respectively calculating a temperature standard deviation value or a temperature variance value of each temperature interval;
based on the temperature standard deviation value or the temperature variance value of each temperature interval, a temperature distribution uniformity value of the corresponding temperature interval is determined.
In another embodiment of the present application, the determining module 402 is configured to:
detecting the number of subareas corresponding to the high-temperature interval;
determining that the number of the subregions corresponding to the high-temperature interval is larger than a second preset threshold value, and determining that the temperature parameter of the high-temperature interval meets a second drying stop condition.
In another embodiment of the present application, the determining module 402 is configured to:
adding one to the drying cycle times;
determining that the number of times of drying cycle after adding one is larger than a preset value, and determining that the drying program is finished; or alternatively, the process may be performed,
and determining that the number of times of drying cycle after adding one is smaller than or equal to a preset value, and continuously executing the drying program.
In another embodiment of the present application, the acquisition module 401 is configured to:
and uniformly collecting temperature values of a plurality of subareas in the drying barrel through a temperature sensor, wherein an overlapping area between each two adjacent subareas is lower than a preset range.
In another embodiment of the present application, the determining module 402 is configured to:
generating temperature distribution information in the drying barrel according to the temperature values of all the subareas and a plurality of preset temperature intervals;
the temperature distribution information is displayed in a display area of the laundry treating apparatus based on a preset display manner.
Fig. 6 is a logical block diagram of a laundry treating apparatus according to an exemplary embodiment. For example, the laundry treating apparatus 500 may be an intelligent laundry treating apparatus having a drying function.
In an exemplary embodiment, there is also provided a non-transitory computing device readable storage medium including instructions, such as a memory including instructions, executable by a laundry treatment device processor to perform a drying control method of the laundry treatment device, the method comprising: receiving a drying program starting instruction, and collecting temperature values of a plurality of subareas in a drying barrel through a temperature sensor arranged in the drying barrel; and drying and judging the load in the drying barrel based on the temperature values of the subareas and a plurality of preset temperature intervals. Optionally, the above instructions may also be executed by a processor of the laundry treatment apparatus to perform the other steps involved in the above exemplary embodiments. For example, the non-transitory computing device readable storage medium may be ROM, random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.
In an exemplary embodiment, there is also provided an application/computing device program product including one or more instructions executable by a processor of a laundry treatment apparatus to complete a drying control method of the laundry treatment apparatus, the method comprising: receiving a drying program starting instruction, and collecting temperature values of a plurality of subareas in a drying barrel through a temperature sensor arranged in the drying barrel; and drying and judging the load in the drying barrel based on the temperature values of the subareas and a plurality of preset temperature intervals. Optionally, the above instructions may also be executed by a processor of the laundry treatment apparatus to perform the other steps involved in the above exemplary embodiments.
Fig. 6 is an exemplary diagram of a laundry treating apparatus 500. It will be appreciated by those skilled in the art that the schematic diagram 6 is merely an example of the laundry treatment apparatus 500 and does not constitute a limitation of the laundry treatment apparatus 500, and may include more or less components than illustrated, or may combine certain components, or different components, e.g., the laundry treatment apparatus 500 may further include an input-output device, a network access device, a bus, etc.
The processor 502 may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), field-programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. The general-purpose processor may be a microprocessor or the processor 502 may be any conventional processor or the like, the processor 502 being a control center of the laundry treating apparatus 500, and various interfaces and lines connecting various parts of the entire laundry treating apparatus 500.
The memory 501 may be used to store computing device readable instructions 503 and the processor 502 may implement various functions of the laundry treatment device 500 by executing or executing the computing device readable instructions or modules stored in the memory 501 and invoking data stored in the memory 501. The memory 501 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data created according to the use of the laundry treating apparatus 500, etc. In addition, the Memory 501 may include a hard disk, a Memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash Card (Flash Card), at least one magnetic disk storage device, a Flash Memory device, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or other nonvolatile/volatile storage device.
The modules integrated with the laundry treatment apparatus 500, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computing device readable storage medium. Based on such understanding, the present application implements all or part of the flow of the method of the above-described embodiments, and the above-described computing device readable instructions may also be stored on a computing device readable storage medium that, when executed by a processor, implement the steps of the various method embodiments described above.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (11)

1. A drying control method of a laundry treatment apparatus, comprising:
receiving a drying program starting instruction, and collecting temperature values of a plurality of subareas in a drying barrel through a temperature sensor arranged in the drying barrel;
based on the temperature values of all the subareas and a plurality of preset temperature intervals, drying and judging the load in the drying barrel;
wherein, based on the temperature value of each subregion and a plurality of temperature interval of predetermineeing, carry out the stoving to the load thing in the stoving bucket and judge, include:
each sub-area is respectively associated to a temperature interval matched with the temperature value, and drying judgment is carried out on the load in the drying barrel based on the temperature interval associated with the corresponding sub-area;
wherein, based on the temperature interval that is associated with corresponding subregion, carry out the stoving judgement to the load thing in the stoving bucket, include:
determining a temperature parameter of each temperature interval based on the temperature value of the subarea associated with each temperature interval, wherein the temperature parameter comprises a uniform temperature distribution value corresponding to the temperature interval and the number of subareas;
and detecting that the temperature parameters of the temperature intervals meet target drying stop conditions, and determining that the drying program of the clothes treatment equipment is finished.
2. The method of claim 1, wherein the detecting that the temperature parameter of the plurality of temperature intervals satisfies a target drying stop condition, determining that the drying process of the laundry treating apparatus is completed, comprises:
determining that the temperature parameter of each temperature interval meets a first drying stop condition;
determining a high-temperature interval in the plurality of temperature intervals, wherein the high-temperature interval is a temperature interval corresponding to a highest temperature value range in the plurality of temperature intervals; the method comprises the steps of,
and determining that the temperature parameter of the high-temperature interval meets a second drying stopping condition, and determining that the drying program is finished.
3. The method of claim 2, wherein determining that the temperature parameter of each temperature zone satisfies the first drying stop condition comprises:
respectively determining a temperature distribution uniformity value of each temperature interval;
and determining that the temperature parameter of each temperature interval meets the first drying stop condition according to the fact that the temperature distribution uniformity value of each temperature interval is smaller than a first preset threshold value.
4. A method according to claim 3, wherein said separately determining the temperature distribution uniformity value for each temperature interval comprises:
Based on the temperature values of the subareas contained in each temperature interval, respectively calculating a temperature standard deviation value or a temperature variance value of each temperature interval;
based on the temperature standard deviation value or the temperature variance value of each temperature interval, a temperature distribution uniformity value of the corresponding temperature interval is determined.
5. The method of claim 2, wherein the determining that the temperature parameter of the high temperature interval satisfies a second drying stop condition comprises:
detecting the number of sub-areas corresponding to the high temperature interval;
determining that the number of the subregions corresponding to the high-temperature interval is larger than a second preset threshold value, and determining that the temperature parameter of the high-temperature interval meets a second drying stop condition.
6. The method according to any one of claims 2 to 5, further comprising, after the determining that the temperature parameter of the high temperature section satisfies the second drying stop condition:
adding one to the drying cycle times;
determining that the number of times of drying cycle after adding one is larger than a preset value, and determining that the drying program is finished; or alternatively, the process may be performed,
and determining that the number of times of drying cycle after adding one is smaller than or equal to the preset value, and continuing to execute the drying program.
7. The method of claim 1, wherein said acquiring, by said temperature sensor, temperature values of a plurality of sub-areas within said drying tub comprises:
and uniformly collecting temperature values of a plurality of subareas in the drying barrel through the temperature sensor, wherein an overlapping area between every two adjacent subareas is lower than a preset range.
8. The method of claim 1, further comprising, after the determining the temperature parameters of the plurality of temperature intervals of the drying tub based on the temperature values of the respective sub-areas:
generating temperature distribution information in the drying barrel according to the temperature values of the subareas and a plurality of preset temperature intervals;
the temperature distribution information is displayed in a display area of the laundry treatment apparatus based on a preset display manner.
9. A drying control device of a laundry treatment apparatus, comprising:
the acquisition module is arranged to receive a drying program starting instruction and acquire temperature values of a plurality of subareas in the drying barrel through a temperature sensor arranged in the drying barrel;
the judging module is used for judging the drying of the load in the drying barrel based on the temperature value of each subarea and a plurality of preset temperature intervals;
Wherein, based on the temperature value of each subregion and a plurality of temperature interval of predetermineeing, carry out the stoving to the load thing in the stoving bucket and judge, include:
each sub-area is respectively associated to a temperature interval matched with the temperature value, and drying judgment is carried out on the load in the drying barrel based on the temperature interval associated with the corresponding sub-area;
wherein, based on the temperature interval that is associated with corresponding subregion, carry out the stoving judgement to the load thing in the stoving bucket, include:
determining a temperature parameter of each temperature interval based on the temperature value of the subarea associated with each temperature interval, wherein the temperature parameter comprises a uniform temperature distribution value corresponding to the temperature interval and the number of subareas;
and detecting that the temperature parameters of the temperature intervals meet target drying stop conditions, and determining that the drying program of the clothes treatment equipment is finished.
10. A laundry treatment apparatus, comprising:
a memory for storing executable instructions; the method comprises the steps of,
a processor for processing with the memory to execute the executable instructions to complete the operation of the drying control method of the laundry treating apparatus of any one of claims 1 to 8.
11. A computing device readable storage medium storing instructions readable by a computing device, wherein the instructions, when executed, perform the operations of the drying control method of the laundry treatment apparatus of any one of claims 1-8.
CN202210575905.6A 2022-05-25 2022-05-25 Clothes treatment equipment, drying control method and device thereof and storage medium Active CN115012188B (en)

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