CN113862977B - Weight sensing method, weight sensing device and clothes treating device - Google Patents

Weight sensing method, weight sensing device and clothes treating device Download PDF

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Publication number
CN113862977B
CN113862977B CN202010608545.6A CN202010608545A CN113862977B CN 113862977 B CN113862977 B CN 113862977B CN 202010608545 A CN202010608545 A CN 202010608545A CN 113862977 B CN113862977 B CN 113862977B
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China
Prior art keywords
contact
laundry
clothes
treated
weight sensing
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CN113862977A (en
Inventor
左翼
章松发
李昀
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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 CN202010608545.6A priority Critical patent/CN113862977B/en
Publication of CN113862977A publication Critical patent/CN113862977A/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
    • D06F58/32—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
    • 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
    • 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
    • D06F58/46—Control of the operating time
    • 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

The invention discloses a weight sensing method of a clothes treatment device, a clothes treatment device and a weight sensing device of the clothes treatment device, wherein the weight sensing method of the clothes treatment device comprises the following steps: after the clothes treatment device is started, controlling an inner barrel of the clothes treatment device to rotate; detecting detection information of the laundry in the inner tub by a contact sensor in a rotation process of the inner tub; sensing the weight of the clothes to be treated according to the detection information of the clothes to be treated. The weighing method of the clothes treatment device provided by the embodiment of the invention has the advantages of being capable of carrying out fuzzy weighing on clothes to be treated, being capable of carrying out pre-judgment on drying time and the like.

Description

Weight sensing method, weight sensing device and clothes treating device
Technical Field
The present invention relates to the technical field of electric appliance manufacturing, and more particularly, to a weight sensing method of a laundry treating apparatus, and a weight sensing apparatus of a laundry treating apparatus.
Background
The related art laundry treatment apparatus, such as a clothes dryer, cannot learn the drying time required for drying the laundry when performing the operation of drying the laundry, resulting in inconvenience in use of the user and poor user experience.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a weight sensing method of a clothes treatment device, which has the advantages of being capable of carrying out fuzzy weighing on clothes to be treated, carrying out pre-judging on drying time and the like.
The invention also proposes a computer readable storage medium.
The invention also provides a clothes treatment device.
The invention also provides a weight sensing device of the clothes treatment device.
To achieve the above object, an embodiment according to a first aspect of the present invention provides a weight sensing method of a laundry treating apparatus, the weight sensing method of the laundry treating apparatus comprising the steps of:
after the clothes treatment device is started, controlling an inner barrel of the clothes treatment device to rotate;
detecting detection information of the laundry in the inner tub by a contact sensor in a rotation process of the inner tub;
sensing the weight of the clothes to be treated according to the detection information of the clothes to be treated.
The weight sensing method of the clothes treating device provided by the embodiment of the invention has the advantages of being capable of carrying out fuzzy weighing on clothes to be treated, being capable of carrying out pre-judgment on drying time and the like.
In addition, the weight sensing method of the laundry treating apparatus according to the above embodiment of the present invention may further have the following additional technical features:
according to some embodiments of the invention, the detection information includes a contact parameter between the laundry and the contact sensor, the contact parameter being calculated by a number of acquisitions of the contact sensor and a number of contacts between the laundry and the contact sensor.
According to some embodiments of the invention, the contact parameter is a contact ratio, and the obtaining the contact ratio includes: collecting detection values of the contact sensors in each first preset time, and determining that the detection values of the contact sensors meet preset values, wherein the clothes to be treated are contacted with the contact sensors once;
and calculating the acquisition times and the contact times in a second preset time, and calculating the contact proportion according to the acquisition times and the contact times in the second preset time.
According to some embodiments of the invention, the detection value is a duty cycle, and if the duty cycle is determined to be less than or equal to the preset value, the laundry to be treated is judged to be in contact with the contact sensor.
According to some embodiments of the invention, the duty cycle is converted from a resistance value of the touch sensor.
According to some embodiments of the invention, sensing the weight of the laundry according to the contact parameter of the laundry comprises: and determining the load condition corresponding to the contact parameter according to the value of the contact parameter, and determining the weight of the clothes to be treated according to the load condition.
According to some embodiments of the invention, before the load situation is acquired, a load type is also acquired so as to acquire the load situation from the load type and the range of contact parameters.
According to some embodiments of the invention, the detection information further comprises a water content of the laundry to be treated.
According to some embodiments of the invention, the weight of the laundry to be treated is perceived based on the contact parameter and the water content.
An embodiment according to a second aspect of the present invention proposes a computer-readable storage medium having stored thereon a weight sensing program of a laundry treating apparatus, which when executed by a processor, implements a weight sensing method of a laundry treating apparatus according to an embodiment of the first aspect of the present invention.
According to the computer readable storage medium of the embodiment of the invention, by realizing the weight sensing method of the clothes treating apparatus according to the embodiment of the first aspect of the invention, the clothes to be treated can be subjected to fuzzy weighing, the drying time can be predicted, and the like.
An embodiment according to a third aspect of the present invention proposes a laundry treatment apparatus comprising a contact sensor for detecting a water content of laundry to be treated in an inner tub, and an inner tub, the laundry treatment apparatus further comprising a memory, a processor, and a weight sensing program of the laundry treatment apparatus stored on the memory and operable on the processor, the processor implementing the weight sensing method of the laundry treatment apparatus according to the embodiment of the first aspect of the present invention when executing the weight sensing program.
According to the clothes treating apparatus of the embodiment of the invention, by realizing the weight sensing method of the clothes treating apparatus according to the embodiment of the first aspect of the invention, the clothes to be treated can be subjected to fuzzy weighing, the drying time can be predicted, and the like.
An embodiment according to a fourth aspect of the present invention proposes a weight sensing device of a laundry treatment apparatus, the weight sensing device of the laundry treatment apparatus comprising: the control module is used for controlling the inner barrel of the clothes treatment device to rotate after the clothes treatment device is started; the detection module is used for detecting the water content of the clothes to be treated in the inner barrel through the contact sensor in the rotating process of the inner barrel, and acquiring the contact parameter between the clothes to be treated and the contact sensor; and the weight sensing module is used for calculating the weight of the clothes to be treated according to the water content of the clothes to be treated and the contact parameter.
The weight sensing device of the clothes treating device provided by the embodiment of the invention has the advantages of being capable of carrying out fuzzy weighing on clothes to be treated, being capable of carrying out pre-judgment on drying time and the like.
According to some embodiments of the present invention, the detection module is further configured to collect a detection value of the contact sensor in every first preset time, calculate a duty cycle according to the detection value, determine that the duty cycle is less than or equal to a preset value, determine that the laundry to be treated is in contact with the contact sensor, and count the number of times of contact; and calculating the acquisition times and the contact times in a second preset time, and calculating the contact parameters according to the acquisition times and the contact times in the second preset time.
According to some embodiments of the invention, the weight sensing module is further configured to determine a load condition corresponding to the contact parameter according to the value of the contact parameter, and calculate the weight of the laundry according to the load condition and the water content of the laundry.
According to some embodiments of the invention, the weight sensing module further obtains a load type before obtaining the load condition, and obtains the load condition according to the load type and the range of the contact parameter.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a flowchart of a weight sensing method of a laundry treating apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a laundry treating apparatus according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a weight sensing device of a laundry treating apparatus according to an embodiment of the present invention.
Reference numerals: the laundry treating apparatus 1, the touch sensor 100, the inner tub 200, the memory 300, the processor 400, the weight sensing device 500, the control module 510, the detection module 520, and the weight sensing module 530.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
A weight sensing method of the laundry treating apparatus 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings.
As shown in fig. 1, a weight sensing method of a laundry treating apparatus 1 according to an embodiment of the present invention is specifically described.
The weight sensing method of the laundry treating apparatus 1 of the embodiment of the present invention includes the steps of:
after the laundry treating apparatus 1 is started, controlling the inner tub 200 of the laundry treating apparatus 1 to rotate;
during the rotation of the inner tub 200, detection information of laundry in the inner tub 200 to be treated is detected by the contact sensor 100;
sensing the weight of the clothes to be treated according to the detection information of the clothes to be treated.
It should be understood that the "detection information of the laundry to be processed" may refer to a contact ratio of the laundry to the contact sensor 100, that is, the number of times of contact between the laundry to be processed and the contact sensor 100 in a certain period of time is obtained, and a ratio of the number of times of contact to the total number of times of collection is calculated. Where a single acquisition may refer to an acquisition taken at each particular time and represented in terms of duty cycle. When the duty ratio in each acquisition is less than or equal to a preset value, the laundry is considered to contact the contact sensor 100 and counted. And calculating the ratio of the collection times to the contact times in a certain time to obtain the contact parameters.
For example, the laundry treating apparatus 1 collects the detection information of the laundry once every hundred milliseconds, i.e., determines whether the laundry touches the touch sensor 100 once every hundred milliseconds. And is expressed in terms of duty cycle after conditioning of the circuit. When the duty ratio is 0.5 or less, it is considered that the laundry contacts the contact sensor 100, and the number of contacts is counted. The collection operation was continued for 2 minutes, and a total of 1200 collections were performed for 2 minutes, with a contact number of 600, and a contact ratio of 0.5 was obtained by dividing 600 by 1200.
According to the weight sensing method of the laundry treating apparatus 1 of the embodiment of the present invention, by detecting the detection information of the laundry to be treated in the inner tub 200 by the contact sensor 100 during the rotation of the inner tub 200, fuzzy weight sensing can be performed on the laundry to be treated according to the detection information and the weight grading information of the laundry to be treated, and the load amount is obtained, that is, the weight information of the laundry to be treated is obtained according to the detection information. Therefore, the drying time required by the clothes to be treated can be obtained, the drying time of the clothes treatment device 1 is prejudged, the reasonable time planning of a user is facilitated, and the use convenience and the comfort of the user are improved.
For example, the contact sensor 100 detects that the contact parameter between the laundry in the inner tub 200 and the contact sensor 100 is 0.4, and the contact parameter is a small load in the range of 0 to 0.5 according to the weight-grading information when the laundry is dried, and the maximum weight when the laundry is dried is 2kg in the range. Thus, the maximum water content of the laundry to be treated was 1kg, and the maximum weight of the laundry to be treated was 3kg when wet, thereby calculating the drying time of the laundry to be treated.
That is, with the weight sensing method of the laundry treating apparatus 1 of the embodiment of the present invention, by having the laundry treating apparatus 1 provided with only the sensor, which is the contact sensor 100, it is possible to calculate the weight of the laundry according to the detection information of the laundry to be treated, so that the drying time required for the laundry to be treated can be obtained.
Therefore, the weight sensing method of the laundry treating apparatus 1 according to the embodiment of the present invention has the advantages of being capable of sensing the fuzzy weight of laundry to be treated, being capable of performing a pre-judgment of the drying time, and the like.
A weight sensing method of the laundry treating apparatus 1 according to an embodiment of the present invention will be described with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1, a weight sensing method of a laundry treating apparatus 1 according to an embodiment of the present invention is specifically described.
Specifically, the detection information includes a contact parameter between the laundry and the contact sensor 100, which is calculated by the number of acquisitions of the contact sensor 100 and the number of contacts between the laundry and the contact sensor 100. In this way, the contact frequency of the laundry with the contact sensor 100 can be determined according to the contact parameter, so as to learn the fuzzy weight of the laundry.
More specifically, the contact parameter is a contact ratio, and the obtaining the contact ratio includes: collecting detection values of the contact sensor 100 in every first preset time, and determining that the detection values meet the preset values, wherein the clothes to be treated are contacted with the contact sensor 100 once; and calculating the acquisition times and the contact times in the second preset time, and calculating the contact proportion according to the acquisition times and the contact times in the second preset time. Therefore, the weight of the clothes to be treated when being dried can be graded according to the numerical range of the contact parameters, so that fuzzy weight perception can be conducted on the clothes.
Further, the detected value is a duty cycle, and if the duty cycle is determined to be less than or equal to the preset value, it is determined that the laundry to be treated is in contact with the contact sensor 100.
Further, the duty ratio is converted from the resistance value of the touch sensor 100.
It should be understood here that when wet laundry contacts the contact sensor 100, the resistance value of the contact sensor 100 becomes small, and thus when the resistance value of the contact sensor 100 is collected to be less than or equal to a predetermined resistance value, the laundry to be treated is considered to be in contact with the sensor. Specifically, the resistance value of the touch sensor 100 may be collected every hundred milliseconds when the duty ratio is read, and when the resistance value of the touch sensor 100 is lower than a preset resistance value, the laundry is considered to be in contact with the touch sensor 100.
In some specific examples, the first preset time is one hundred milliseconds and the second preset time is 2 minutes. Namely, the laundry is collected once in a first preset time of each hundred milliseconds, the laundry is converted into a duty ratio according to the collection result of the contact sensor 100, and when the duty ratio is less than or equal to a preset value of 0.5, the laundry is judged to be contacted with the contact sensor 100, and the number of times of contact is counted once. And in a second preset time of 2 minutes, calculating the ratio of the contact times to the acquisition times to obtain the contact parameters.
Optionally, sensing the weight of the laundry to be treated according to the contact parameter of the laundry to be treated, including: and determining the load condition corresponding to the contact parameter according to the value of the contact parameter, and determining the weight of the clothes to be treated according to the load condition. Thus, wet weight information of the clothes to be treated can be obtained according to the water content of the clothes to be treated and the weight information of the clothes to be treated when the clothes to be treated are dried.
In some specific examples, the contact sensor 100 detects that the water content of the laundry in the inner tub 200 is 50% and obtains a contact parameter between the laundry and the contact sensor 100 of 0.4, and it is known from experiments that a small load can be considered when the contact parameter is in the range of 0 to 0.5, and the maximum weight of the laundry when it is dried is 2 kg. Thereby, the maximum weight of the laundry to be treated when wet can be obtained to be 3kg, thereby calculating the drying time of the laundry to be treated.
Further, before the load situation is acquired, the load type is also acquired, so that the load situation is acquired according to the load type and the range of the contact parameters. Thus, the weight information of the laundry to be treated when dried can be more accurately obtained according to the load type, so that the wet weight information of the laundry to be treated can be more accurately obtained.
Alternatively, the contact sensor 100 is a conductivity sensor. Since the resistance value of the conductivity sensor becomes low when the wet laundry is contacted, the resistance value is maintained at a high level when the wet laundry is not contacted. Therefore, whether the wet clothes contact the conductivity sensor or not can be sensed according to the resistance value of the conductivity sensor, so that the contact information of the clothes and the conductivity sensor can be obtained.
Of course, the touch sensor 100 may be other similar touch sensors, and not just a conductivity sensor may perform this function.
Optionally, the detection information further includes a water content of the laundry to be treated.
Further, the weight of the clothes to be treated is perceived according to the contact parameters and the water content.
In some specific examples, the touch sensor 100 detects that the water content of the laundry in the inner tub 200 is 50%, and acquires a touch parameter between the laundry and the touch sensor 100 as 0.4. From the weight-shift information of the laundry to be treated when it is dried, i.e. from experiments, it is known that a small load is considered when the contact parameter is in the range of 0-0.5, where the maximum weight of the laundry when it is dried is 2 kg. Thereby, the maximum weight of the laundry to be treated when wet can be obtained to be 3kg, thereby calculating the drying time of the laundry to be treated.
According to a specific embodiment of the present invention, the weight sensing method comprises the steps of: after the laundry treating apparatus 1 is started, controlling the inner tub 200 of the laundry treating apparatus 1 to rotate; during the rotation of the inner tub 200, detecting the water content of the laundry in the inner tub 200 by the contact sensor 100, and acquiring a contact parameter between the laundry and the contact sensor 100;
specifically, parameters of the contact sensor 100 are collected every first preset time, the parameters of the contact sensor 100 are converted into a duty ratio, and when the duty ratio is smaller than or equal to a preset value, the laundry to be treated is judged to be in contact with the contact sensor 100, and the contact times are counted; and calculating the acquisition times and the contact times in the second preset time, and calculating the contact parameters according to the acquisition times and the contact times in the second preset time.
And sensing the weight of the clothes to be treated according to the water content of the clothes to be treated and the contact parameters. Specifically, the range of the contact parameter is judged, the load type of the clothes to be treated is obtained, the load condition is obtained according to the load type and the range of the contact parameter, and the weight of the clothes to be treated is calculated according to the load condition and the water content of the clothes to be treated.
A computer-readable storage medium according to an embodiment of the present invention is described below. The computer-readable storage medium according to an embodiment of the present invention stores thereon a weight sensing program of the laundry treating apparatus 1, which when executed by the processor 400, implements the weight sensing method of the laundry treating apparatus 1 according to the above-described embodiment of the present invention.
According to the computer readable storage medium of the embodiment of the present invention, by implementing the weight sensing method of the laundry treating apparatus 1 according to the above embodiment of the present invention, there are advantages in that fuzzy weight sensing can be performed on laundry to be treated, drying time can be predicted, and the like.
The laundry treating apparatus 1 according to an embodiment of the present invention is described below. As shown in fig. 2, the laundry treating apparatus 1 according to the embodiment of the present invention includes a contact sensor 100 and an inner tub 200, the contact sensor 100 being used to detect the water content of laundry in the inner tub 200, the laundry treating apparatus 1 further includes a memory 300, a processor 400, and a weight sensing program of the laundry treating apparatus 1 stored on the memory 300 and being operable on the processor 400, the weight sensing method of the laundry treating apparatus 1 according to the above-described embodiment of the present invention being implemented when the processor 400 executes the weight sensing program.
Thus, the water content of the laundry in the inner tub 200 may be detected by the contact sensor 100 during the rotation of the inner tub 200, and the water content information of the laundry with drying may be obtained. By acquiring the contact parameters between the laundry and the contact sensor 100, fuzzy weight sensing can be performed on the laundry to obtain weight information of the laundry when the laundry is dried. And then according to the moisture content of the clothes to be treated and the weight information of the clothes to be treated when the clothes to be treated are dried, the wet weight information of the clothes to be treated can be obtained, so that the drying time required by the clothes to be treated can be obtained, the drying time of the clothes treatment device 1 is prejudged, the reasonable time planning of a user is facilitated, and the use convenience and the comfort of the user are improved.
According to the laundry treating apparatus 1 of the embodiment of the present invention, by implementing the weight sensing method of the laundry treating apparatus 1 according to the above embodiment of the present invention, there are advantages in that fuzzy weight sensing can be performed on laundry to be treated, drying time can be pre-determined, and the like.
For example, the laundry treating apparatus 1 is a clothes dryer, and a conductivity sensor in the clothes dryer may be used to detect the water content of the laundry to be treated, so as to achieve the function of stopping the clothes dryer after the laundry is dried.
The resistance value of the conductivity sensor becomes low due to contact of the wet laundry, and the resistance value is maintained at a high level when no wet laundry is contacted. Therefore, whether the wet laundry contacts the sensor 100 can be sensed according to the resistance value of the conductivity sensor, so that the number of times the laundry contacts the conductivity sensor can be collected at a high speed and the laundry amount in the tub can be judged according to the number of times of contact in the second preset time and the steps can be performed in the case that the inner tub 200 is continuously rotated.
For example, when drying begins, the dryer tub rotates at a rate of 50 revolutions per second. Then, the resistance of the conductivity sensor is collected once every hundred milliseconds, and after the circuit conditioning, the conductivity sensor is represented by a duty cycle, and when the duty cycle is below 0.5, the wet laundry is considered to contact the sensor, and counting is performed. This operation lasted 2 minutes. Thereafter, the contact ratio was calculated, and a total of 1200 times was collected for 2 minutes, and the number of times of contact was 300 divided by 1200, whereby the contact ratio was 0.25.
The laundry amount is classified according to the contact ratio, and the contact ratio is considered to be a small load when the cotton material is dried by 2kg or less, the chemical fiber material is dried by 1kg or less, the contact ratio is considered to be a medium load when the chemical fiber material is dried by 51% -95%, the chemical fiber material is dried by 6kg or less, the chemical fiber material is dried by 3kg or less, the contact ratio is considered to be a large load when the chemical fiber material is dried by 96-100%, the cotton material is dried by 10kg or less, and the chemical fiber material is dried by 5kg or less.
According to the load type selected by the user, the load amount calculated in the last step and the water content of the clothes collected by the conductivity sensor calculate the water content weight of the clothes, for example, the load type selected by the user is the load type of cotton materials, the medium load is calculated in the last step, the water content is measured to be 50%, and the method can be used for calculating as follows: the clothes weights were calculated as the medium load maximum value of 6kg, the water content was 3kg, and the total weight was 9kg.
The weight sensing device 500 of the laundry treating apparatus 1 according to the embodiment of the present invention is described below. As shown in fig. 3, the weight sensing device 500 of the laundry treating apparatus 1 according to the embodiment of the present invention includes: a control module 510 for controlling the rotation of the inner tub 200 of the laundry treating apparatus 1 after the laundry treating apparatus 1 is started; the detecting module 520 is configured to detect a water content of laundry in the inner tub 200 through the contact sensor 100 during rotation of the inner tub 200, and obtain a contact parameter between the laundry and the contact sensor 100; the weight sensing module 530 is used for calculating the weight of the laundry according to the water content and the contact parameter of the laundry.
Thus, the control module 510 may control the inner tub 200 to rotate, and the contact sensor 100 may be used to detect the water content of laundry to be treated in the inner tub 200 during the rotation of the inner tub 200, so that the water content information of laundry with drying may be obtained. By acquiring the contact parameters between the laundry and the contact sensor 100, fuzzy weight sensing can be performed on the laundry to obtain weight information of the laundry when the laundry is dried. And then according to the moisture content of the clothes to be treated and the weight information of the clothes to be treated when the clothes to be treated are dried, the wet weight information of the clothes to be treated can be obtained, so that the drying time required by the clothes to be treated can be obtained, the drying time of the clothes treatment device 1 is prejudged, the reasonable time planning of a user is facilitated, and the use convenience and the comfort of the user are improved.
The weight sensing device 500 of the laundry treating apparatus 1 according to the embodiment of the present invention has the advantages of being capable of sensing the fuzzy weight of laundry to be treated, being capable of predicting the drying time, and the like.
Specifically, the detection module 520 is further configured to collect a detection value of the touch sensor 100 in every first preset time, calculate a duty cycle according to the detection value, determine that the duty cycle is less than or equal to the preset value, determine that the laundry to be treated is in contact with the touch sensor 100, and count the number of times of contact. And calculating the acquisition times and the contact times in the second preset time, and calculating the contact parameters according to the acquisition times and the contact times in the second preset time. Therefore, the weight of the clothes to be treated when being dried can be graded according to the numerical range of the contact parameters, so that fuzzy weight perception can be conducted on the clothes.
Optionally, the weight sensing module 530 is further configured to determine a load condition corresponding to the contact parameter according to the value of the contact parameter, and calculate the weight of the laundry to be treated according to the load condition and the water content of the laundry to be treated. Thus, wet weight information of the clothes to be treated can be obtained according to the water content of the clothes to be treated and the weight information of the clothes to be treated when the clothes to be treated are dried.
Further, the weight sensing module 530 also obtains a load type before obtaining the load condition, and obtains the load condition according to the load type and the range of the contact parameter. Thus, the weight information of the laundry to be treated when dried can be more accurately obtained according to the load type, so that the wet weight information of the laundry to be treated can be more accurately obtained.
According to an embodiment of the present invention, the weight sensing device 500 of the laundry treating apparatus 1 includes: a control module 510 for controlling the rotation of the inner tub 200 of the laundry treating apparatus 1 after the laundry treating apparatus 1 is started; the detecting module 520 is configured to detect a water content of laundry in the inner tub 200 through the contact sensor 100 during rotation of the inner tub 200, and obtain a contact parameter between the laundry and the contact sensor 100; the weight sensing module 530 is configured to sense weight of the laundry according to the moisture content and the contact parameter of the laundry.
The detection module 520 is further configured to collect parameters of the touch sensor 100 at intervals of a first preset time, calculate a duty cycle according to the parameters of the touch sensor 100, and determine that the laundry to be treated is in contact with the touch sensor 100 when the duty cycle is less than or equal to a preset value, and count the number of times of contact. And calculating the acquisition times and the contact times in the second preset time, and calculating the contact parameters according to the acquisition times and the contact times in the second preset time.
The weight sensing module 530 is further configured to determine a range of the contact parameter, obtain a load condition according to the range of the contact parameter, and calculate a weight of the laundry according to the load condition and a water content of the laundry. The weight sensing module 530 also obtains the load type before obtaining the load condition, and obtains the load condition according to the load type and the range of the contact parameter.
Other constructions and operations of the laundry treating apparatus 1 according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the invention, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.
In the description of the invention, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims (13)

1. A weight sensing method of a laundry treating apparatus, comprising the steps of:
after the clothes treatment device is started, controlling an inner barrel of the clothes treatment device to rotate;
detecting detection information of the laundry in the inner tub by a contact sensor in a rotation process of the inner tub;
sensing the weight of the clothes to be treated according to the detection information of the clothes to be treated;
the detection information comprises contact parameters between the clothes to be treated and the contact sensor, and the contact parameters are calculated through the collection times of the contact sensor and the contact times between the clothes to be treated and the contact sensor;
wherein the contact parameter is a contact ratio, and obtaining the contact ratio includes:
collecting detection values of the contact sensors in each first preset time, and determining that the detection values meet preset values, wherein the clothes to be treated are contacted with the contact sensors once;
and calculating the acquisition times and the contact times in a second preset time, and calculating the contact proportion according to the acquisition times and the contact times in the second preset time.
2. The weight sensing method of a laundry treating apparatus according to claim 1, wherein the detection value is a duty ratio, and the laundry to be treated is judged to be in contact with the contact sensor if the duty ratio is determined to be less than or equal to the preset value.
3. The weight sensing method of a laundry treating apparatus according to claim 2, wherein the duty ratio is converted according to a resistance value of the contact sensor.
4. The weight sensing method of a laundry treating apparatus according to claim 1, wherein sensing the weight of the laundry according to the contact parameter of the laundry comprises:
and determining the load condition corresponding to the contact parameter according to the value of the contact parameter, and determining the weight of the clothes to be treated according to the load condition.
5. The weight sensing method of a laundry treating apparatus according to claim 4, wherein a load type is also acquired before the load condition is acquired, so that the load condition is acquired according to the load type and the range of the contact parameter.
6. The weight sensing method of a laundry treating apparatus according to claim 1, wherein the detection information further includes a water content of the laundry to be treated.
7. The weight sensing method of a laundry treating apparatus according to claim 6, wherein the weight of the laundry to be treated is sensed according to the contact parameter and the water content.
8. A computer-readable storage medium, characterized in that a weighing program of a laundry treatment apparatus is stored thereon, which weighing program, when executed by a processor, implements a weight sensing method of a laundry treatment apparatus according to any one of claims 1-7.
9. A laundry treating apparatus comprising a contact sensor for detecting a water content of laundry in an inner tub, and an inner tub, the laundry treating apparatus further comprising a memory, a processor, and a weight sensing program of the laundry treating apparatus stored on the memory and operable on the processor, wherein the processor implements the weight sensing method of the laundry treating apparatus according to any one of claims 1 to 7 when the weight sensing program is executed.
10. A weight sensing apparatus of a laundry treating apparatus, wherein the weight sensing apparatus is for implementing a weight sensing method of a laundry treating apparatus according to claim 1, the weight sensing apparatus comprising:
the control module is used for controlling the inner barrel of the clothes treatment device to rotate after the clothes treatment device is started;
the detection module is used for detecting the water content of the clothes to be treated in the inner barrel through the contact sensor in the rotating process of the inner barrel, and acquiring the contact parameter between the clothes to be treated and the contact sensor;
and the weight sensing module is used for calculating the weight of the clothes to be treated according to the water content of the clothes to be treated and the contact parameter.
11. The weight sensing device of claim 10, wherein the detection module is further configured to,
collecting detection values of the contact sensors in each first preset time, calculating a duty ratio according to the detection values, determining that the duty ratio is smaller than or equal to a preset value, judging that the clothes to be treated are in contact with the contact sensors, and counting the contact times;
and calculating the acquisition times and the contact times in a second preset time, and calculating the contact parameters according to the acquisition times and the contact times in the second preset time.
12. A weight sensing apparatus of a laundry treating apparatus according to claim 10 or 11, wherein the weight sensing module is further configured to,
and determining the load condition corresponding to the contact parameter according to the value of the contact parameter, and calculating the weight of the clothes to be treated according to the load condition and the water content of the clothes to be treated.
13. The weight sensing apparatus of a laundry treating apparatus according to claim 12, wherein the weight sensing module further acquires a load type before acquiring the load condition, and acquires the load condition according to the load type and the range of the contact parameter.
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CN107974813A (en) * 2017-11-17 2018-05-01 无锡小天鹅股份有限公司 Drying time predictor method and device and dryer
CN108252057A (en) * 2018-03-29 2018-07-06 无锡小天鹅股份有限公司 Clothes-drying device
CN109100005A (en) * 2017-06-21 2018-12-28 苏州三星电子有限公司 A kind of cognitive method and system of clothes weight

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106319863A (en) * 2015-06-15 2017-01-11 青岛海尔滚筒洗衣机有限公司 Device for automatic identification of clothes quantities for washing machine, washing machine and control method
CN106592157A (en) * 2016-11-21 2017-04-26 广东威灵电机制造有限公司 Washing machine and weighing method of washing machine
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