CN112746432B - Load amount recognition method and device of clothes treatment device and clothes treatment device - Google Patents
Load amount recognition method and device of clothes treatment device and clothes treatment device Download PDFInfo
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Abstract
The application provides a load capacity identification method and device of a clothes treatment device and the clothes treatment device, and relates to the technical field of household appliance control, wherein the method comprises the following steps: the novel load identification method has the advantages that the identification accuracy is high, the cost is not increased, the identification is not limited by a use scene, and the technical problems that in the prior art, the load size of the pulsator washing machine is judged through positive and negative rotation weighing of a motor and an algorithm, the identification accuracy is low, and the use scene is limited are solved.
Description
Technical Field
The present disclosure relates to the field of home appliances, and more particularly, to a load amount recognition method and device for a clothes treatment apparatus, and a clothes treatment apparatus.
Background
Laundry treatment apparatuses, such as washing machines, have become essential household appliances in daily life, and when the washing machines are used, load measurement is performed, and parameter setting for laundry washing and logic control for washing are performed according to the measured load, so as to save water consumption.
In the prior art, load measurement is mainly realized by positive and negative rotation of a motor and a related weighing circuit before water enters a washing machine, and if a user adds clothes in the water inlet process, the pre-measured load is invalid, so that the load cannot be accurately acquired, and the accuracy of load identification is reduced.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, a first objective of the present application is to provide a load identification method for a clothes treatment device, which breaks through a method of determining a load of a conventional pulsator washing machine through a motor and an algorithm, has high load identification accuracy, is not limited by a use scenario, and does not increase cost.
A second object of the present application is to provide a load amount recognition device of a laundry treating apparatus.
A third object of the present application is to propose a laundry treating device.
A fourth object of the present application is to propose a non-transitory computer-readable storage medium.
To achieve the above object, a first aspect of the present application provides a load amount identification method for a clothes processing apparatus, the method including:
feeding water into the clothes treatment device to a set water level;
controlling the impeller of the clothes treatment device to rotate, and monitoring the water level by adopting a water level sensor to obtain water level change indication information at set interval time periods;
and identifying the load according to the water level change indication information.
To achieve the above object, a second aspect of the present application provides a load amount identification device for a clothes processing device, the device including:
the water inlet module is used for feeding water into the clothes treatment device to a set water level;
the monitoring module is used for controlling the rotation of a wave wheel of the clothes treatment device and monitoring the water level by adopting a water level sensor so as to obtain water level change indication information at set interval time periods;
and the identification module is used for identifying the size of the load according to the water level change indication information.
In order to achieve the above object, a clothes processing apparatus is provided in an embodiment of the third aspect of the present application, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the method for recognizing a load amount according to the first aspect is implemented.
To achieve the above object, a fourth aspect of the present application provides a non-transitory computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the method for recognizing the load amount according to the first aspect is implemented.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the load identification method has the advantages that the load identification accuracy is high, the cost is not increased, and the load identification method is not limited by a use scene.
Additional aspects and advantages of the present application 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 present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flowchart illustrating a load amount identification method of a clothes treatment apparatus according to an embodiment of the present application;
fig. 2 is a schematic flowchart illustrating another method for recognizing a load of a laundry treatment device according to the present application; and
fig. 3 is a schematic structural view illustrating a load amount recognition device of a clothes treatment apparatus according to an embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present application and should not be construed as limiting the present application.
A load amount recognition method and apparatus of a laundry treatment apparatus and a laundry treatment apparatus according to embodiments of the present application are described below with reference to the accompanying drawings.
Fig. 1 is a schematic flowchart of a load amount identification method of a clothes treatment apparatus according to an embodiment of the present application.
As shown in fig. 1, the method comprises the steps of:
The clothes treatment device can be a washing machine, a washing and drying integrated machine and the like.
The water level may be set by a user through a display control panel according to the specification of the laundry treatment apparatus, or may be automatically determined by the laundry treatment apparatus through a rotary weighing.
Specifically, the clothes are put into an inner barrel of the clothes treatment device, the clothes treatment device is started, water is injected into the barrel according to the specification of the clothes treatment device, and the water injection is stopped after the water injection amount reaches a set water level of the clothes treatment device, for example, the water injection amount is the highest water level.
Wherein, the interval time interval ranges from 50 seconds to 70 seconds, preferably 60 seconds.
In this embodiment, water level sensor is frequency water level sensor, and the water level change signal that frequency water level sensor monitored is comparatively accurate, compares in the mechanical type water level sensor among the prior art or is gasbag formula water level sensor, has the stable performance, advantage that the fault rate is low. The gasbag of frequency formula level sensor can be promoted to drive the magnetic core and do the up-and-down motion, the numerical value of inductance can be changed to the position of magnet in the insert coil, corresponding frequency value also can change, different frequency values correspond different water levels, that is to say, frequency formula level sensor monitors the water level through changing the oscillation frequency, this frequency value can be given the controller of clothing processing apparatus, the controller judges whether to reach preset water level according to the frequency value size, thereby control the towed action of intake solenoid valve or drainage, in order to realize the control to intaking or drainage.
Specifically, the processor of the clothes treatment device controls the motor to rotate so as to drive the impeller of the clothes treatment device to rotate, meanwhile, the frequency type water level sensor is adopted to monitor the water level, the oscillation frequency value output by the water level sensor is obtained, the difference value between the oscillation frequency values output before and after the interval time period is determined, and the difference value is used as water level change indicating information, so that the reliability of the determined water level change indicating information is improved, and the accuracy of water level monitoring is improved.
And 103, identifying the load according to the water level change indication information.
In this case, the load amount represents a basic laundry amount of the washing machine, the maximum load of the laundry treatment device is identified on the laundry treatment device, for example, 6 kg, 8 kg, etc., and in practical applications, the amount of laundry put into the laundry treatment device is different for each washing operation of a user, so that the load needs to be identified. In order to improve the accuracy of load identification, the load is identified according to the monitored water level change indication information, and then corresponding clothes washing logic control is executed according to the load so as to improve the washing effect.
Wherein, water level change instruction information for instruct the size of water level change and the relation of the threshold value water level of settlement, thereby come the discernment load size, for the convenience of distinguishing, according to the load amount size, divide into little load amount state and big load amount state, wherein, the load amount of big load amount state is more than the load amount of little load amount state.
Specifically, if the difference value of the water level change indicated by the water level change indication information is greater than the set variation amount, the state is identified as a small load amount, and if the difference value of the water level change indicated by the water level change indication information is less than or equal to the set variation amount, the state is identified as a large load amount. This is because, under the condition of a large load, on one hand, the clothes easily cover the water surface, on the other hand, the load absorbs water to cause the water level to drop, the water is not easy to flow out from the overflow port, under the condition of a small load, the load in the washing tub is small, the water is easy to flow out from the overflow port under the condition of the rotation of the washing tub, and the amount of the water flowing out is also large, especially under the condition of a high water level, the water is easier to flow out from the overflow port, so that the small load or the large load can be identified according to the difference value of the water level change, namely, the water level change indication information, so that the clothes treatment device executes corresponding clothes washing logic control according to the load condition, for example, under the condition of a large load, the beat of washing is strong, the number of times of rinsing is large, the time of washing is long, and under the condition of a small load, the beat of washing is weak, the number of rinsing is small, the whole washing time is short, so that the water consumption and the washing time can be saved, to improve the efficiency of washing.
In the load identification method of the clothes treatment device in the embodiment, water enters the clothes treatment device to reach the set water level, the impeller of the clothes treatment device is controlled to rotate, the water level sensor is adopted to monitor the water level to obtain the water level change indication information of the set interval time, the load is identified according to the water level change indication information, and the load is identified according to the water level change indication information monitored by the water level sensor.
Based on the previous embodiment, the present embodiment provides another load amount identification method for a laundry treatment device, in order to avoid misjudgment and improve the accuracy of identifying a small load state, when a water level is a highest water level, the small load state is identified through water level variations measured at least two intervals, and fig. 2 is a schematic flow chart of the load amount identification method for the laundry treatment device provided by the present application.
As shown in fig. 2, the method may include the steps of:
Specifically, the laundry is put into the tub, the laundry treating apparatus is started, water is injected into the tub according to the specification of the washing machine, and the water injection is stopped after the amount of injected water reaches the maximum water level of the washing machine.
And 203, controlling the impeller of the clothes treatment device to rotate, and monitoring the water level by using a water level sensor to obtain water level change indication information of a first interval time period.
In this embodiment, in order to avoid that the accuracy of the load size determined by using the water level change indication information of one interval period is not high, for example, there is a case of misjudgment, in this embodiment, at least two interval periods are set, and for convenience of distinction, the interval periods are referred to as a first interval period and a second interval period, where a value range of the interval period is 50 seconds to 70 seconds, preferably 60 seconds, values of the first interval period and the second interval period are the same or different, for example, the first interval period is 60 seconds, and the second interval period is also 60 seconds, so that corresponding difference values are also at least two and respectively correspond to the first interval period and the second interval period.
For how to determine the water level change indication information of the first interval period, reference may be made to step 102 in the previous embodiment, and the principle is the same, and is not described herein again.
Wherein, the range of the set variation is 60Hz to 80Hz, preferably 70 Hz.
Specifically, whether the difference corresponding to the first interval time period is larger than the set variation is judged, if so, the water level variation indicating information of the next time period, namely the second interval time period, is continuously monitored, and if not, the condition that the water level is not high and the load is small is indicated, and the small load identification is finished.
And step 205, continuing to monitor the water level by using the water level sensor to obtain water level change indication information of the second interval time period.
Specifically, reference may be made to step 102 in the previous embodiment, which has the same principle and is not described herein again.
In step 206, it is determined whether the difference corresponding to the second interval period is greater than the set variation, if yes, step 207 is executed, and if not, step 208 is executed.
It should be noted that more than two interval periods may also be set, and the principle is the same, which is not described in detail in this embodiment.
In step 208, load identification is complete.
In the load identification method of the clothes treatment device in the embodiment, water enters the clothes treatment device to reach the set water level, the impeller of the clothes treatment device is controlled to rotate, the water level sensor is adopted to monitor the water level to obtain the water level change indication information of the set interval time, the load is identified according to the water level change indication information, and the load is identified according to the water level change indication information monitored by the water level sensor. Furthermore, by setting at least two interval time periods and monitoring the water level change indication information of the at least two interval time periods, the load amount is identified, the error identification caused by single identification is avoided, and the identification accuracy is improved.
In order to implement the above embodiments, the present application also provides a load amount recognition device of a laundry treatment device.
Fig. 3 is a schematic structural view illustrating a load amount recognition device of a clothes treatment apparatus according to an embodiment of the present application.
As shown in fig. 3, the apparatus includes: a water intake module 31, a monitoring module 32 and an identification module 33.
The water inlet module 31 is used for supplying water to the clothes treatment device to a set water level.
And a monitoring module 32 for controlling the rotation of the pulsator of the laundry treating apparatus and monitoring the water level using a water level sensor to obtain water level variation indicating information at set intervals.
And the identification module 33 is configured to identify the load according to the water level change indication information.
Further, in a possible implementation manner of the embodiment of the present application, the monitoring module 32 includes:
and the monitoring unit is used for monitoring the water level by adopting a frequency type water level sensor to obtain an oscillation frequency value output by the water level sensor.
A determination unit that determines a difference between oscillation frequency values output before and after the interval period; and taking the difference value as the water level change indication information.
As a possible implementation manner, the identification module 33 is specifically configured to:
the difference value is larger than the set variable quantity, and the state of small load quantity is identified;
and identifying the large load state when the difference value is less than or equal to the set variable quantity.
As a possible implementation manner, the interval time periods are at least two, and the corresponding difference value is at least two;
the identification module 33 is specifically configured to:
and identifying the difference values corresponding to at least two interval time periods as a small load state, wherein the difference values are larger than a set variable quantity.
As a possible implementation manner, the value of the variation is set to range from 60Hz to 80 Hz.
As a possible implementation, the water level is set to the highest water level.
As a possible implementation, the interval period ranges from 50 seconds to 70 seconds.
It should be noted that the above explanation of the embodiment of the method for identifying the load amount of the laundry processing device is also applicable to the load amount identifying device of the laundry processing device of this embodiment, and will not be repeated herein.
According to the load identification device of the clothes treatment device, the clothes treatment device is fed with water to the set water level, the impeller of the clothes treatment device is controlled to rotate, the water level is monitored by the water level sensor, so that water level change indication information of the set interval period is obtained, the load is identified according to the water level change indication information monitored by the water level sensor, and the load is identified. Furthermore, by setting at least two interval time periods and monitoring the water level change indication information of the at least two interval time periods, the load amount is identified, the error identification caused by single identification is avoided, and the identification accuracy is improved.
In order to implement the foregoing embodiments, the present application further provides a clothes processing apparatus, which includes a memory, a processor, and a computer program stored in the memory and running on the processor, and when the processor executes the program, the method for recognizing a load amount according to the foregoing method embodiments is implemented.
In order to implement the above embodiments, the present application also proposes a non-transitory computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the load amount identification method as described in the foregoing method embodiments.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
The logic and/or steps represented in the flowcharts or otherwise described herein, e.g., an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are exemplary and should not be construed as limiting the present application and that changes, modifications, substitutions and alterations in the above embodiments may be made by those of ordinary skill in the art within the scope of the present application.
Claims (12)
1. A load amount recognition method of a laundry treatment apparatus, the method comprising:
feeding water into the clothes treatment device to a set water level;
controlling the impeller of the clothes treatment device to rotate, and monitoring the water level by adopting a water level sensor to obtain water level change indication information at set interval time periods;
according to the water level change indication information, recognizing the size of a load;
adopt water level sensor monitoring water level to obtain the water level change indicating information who sets for the interval period, include:
monitoring the water level by adopting a frequency type water level sensor to obtain an oscillation frequency value output by the water level sensor;
determining a difference between oscillation frequency values output before and after the interval period;
and taking the difference value as the water level change indication information.
2. The method according to claim 1, wherein the identifying a load size according to the water level change indication information comprises:
the difference value is larger than the set variable quantity, and the state of small load quantity is identified;
and the difference value is less than or equal to the set variable quantity, and the large load state is identified.
3. The load amount identification method according to claim 2, wherein the interval period is at least two, and the corresponding difference value is at least two;
the difference is greater than the setting variable quantity, and is identified as a small load state, including:
and identifying the difference values corresponding to at least two interval time periods as a small load state, wherein the difference values are larger than a set variable quantity.
4. The load amount recognition method according to claim 2, wherein the set variation is in a range of 60Hz to 80 Hz.
5. The load amount recognition method according to any one of claims 1 to 4, wherein the set water level is a top water level.
6. The load amount identification method according to any one of claims 1 to 4, wherein the interval period has a value ranging from 50 seconds to 70 seconds.
7. A load amount recognition device of a laundry treatment apparatus, the device comprising:
the water inlet module is used for feeding water into the clothes treatment device to a set water level;
the monitoring module is used for controlling the rotation of a wave wheel of the clothes treatment device and monitoring the water level by adopting a water level sensor so as to obtain water level change indication information at set interval time periods;
the identification module is used for identifying the size of a load according to the water level change indication information;
the monitoring module includes:
the monitoring unit is used for monitoring the water level by adopting a frequency type water level sensor to obtain an oscillation frequency value output by the water level sensor;
a determination unit that determines a difference between oscillation frequency values output before and after the interval period; and taking the difference value as the water level change indication information.
8. The load amount recognition device according to claim 7, wherein the recognition module is specifically configured to:
the difference value is larger than the set variable quantity, and the state of small load quantity is identified;
and identifying the large load state when the difference value is less than or equal to the set variable quantity.
9. The load amount recognition device according to claim 8, wherein the interval period is at least two, and the corresponding difference value is at least two;
the identification module is specifically configured to:
and identifying the difference values corresponding to at least two interval time periods as a small load state, wherein the difference values are larger than a set variable quantity.
10. The load amount recognition device according to claim 8, wherein the set variation is in a range of 60Hz to 80 Hz.
11. A laundry processing apparatus, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor, when executing the program, implements the load amount recognition method according to any one of claims 1 to 6.
12. A non-transitory computer-readable storage medium having stored thereon a computer program, wherein the program, when executed by a processor, implements the load amount identification method according to any one of claims 1 to 6.
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| CN201911055103.7A CN112746432B (en) | 2019-10-31 | 2019-10-31 | Load amount recognition method and device of clothes treatment device and clothes treatment device |
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| CN112430970A (en) * | 2019-08-06 | 2021-03-02 | 青岛海尔洗衣机有限公司 | Washing machine control method and washing machine |
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2019
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| CN103306105A (en) * | 2013-05-29 | 2013-09-18 | 无锡小天鹅股份有限公司 | Method for judging load weight of pulsator washing machine |
| CN106192292A (en) * | 2016-07-29 | 2016-12-07 | 无锡小天鹅股份有限公司 | Washing machine and load method of discrimination and device thereof |
| CN107338614A (en) * | 2017-08-08 | 2017-11-10 | 青岛海尔洗衣机有限公司 | A kind of washing machine inflow amount control method and washing machine |
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