CN114086376B - Control method and control device of washing machine - Google Patents
Control method and control device of washing machine Download PDFInfo
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- CN114086376B CN114086376B CN202111461393.2A CN202111461393A CN114086376B CN 114086376 B CN114086376 B CN 114086376B CN 202111461393 A CN202111461393 A CN 202111461393A CN 114086376 B CN114086376 B CN 114086376B
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- temperature
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F58/00—Domestic laundry dryers
- D06F58/32—Control of operations performed in domestic laundry dryers
- D06F58/34—Control of operations performed in domestic laundry dryers characterised by the purpose or target of the control
- D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
- D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/54—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to blowers or fans
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- 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 invention discloses a control method and a control device of a washing machine, wherein the washing machine is provided with a drying fan and an inner barrel communicated with the drying fan, and the control method comprises the following steps: acquiring the current working power of the drying fan and the drying temperature of the inner barrel; and obtaining the temperature of the fan based on a preset relation among the current working power, the drying temperature and the temperature of the fan. By the arrangement, the corresponding fan temperature can be obtained through the current working power and the drying temperature of the inner barrel, so that the temperature of the fan can be obtained by using a temperature sensor at a position of an air inlet of the drying fan. The temperature of the fan can be adjusted by controlling the current working power of the drying fan under the condition that the temperature sensor is not arranged.
Description
Technical Field
The invention relates to the field of washing machines, in particular to a control method and a control device of a washing machine.
Background
With the continuous improvement of living standard, the traditional washing machine only having the function of washing clothes can not meet the requirements of people at present, so that the washing machine having the drying function is more and more widely used.
At present, a washing machine with a drying function generally dries clothes in a hot air mode, and the working principle of the washing machine is mainly that hot air is blown into a washing machine barrel by opening a heating pipe and a drying fan to dry the clothes.
The temperature of the outlet of the drying fan is obtained, namely the fan temperature is obtained mainly by installing a temperature sensor in the air duct, so that the line of the temperature sensor in a high-temperature and high-humidity environment is easy to age, and the service life of the whole machine is shortened.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is that the temperature sensor arranged in the air duct of the drying fan in the prior art is easy to age under the high-temperature and high-humidity environment, thereby providing a control method and a control device of a washing machine.
According to a first aspect, an embodiment of the present invention provides a control method of a washing machine, in which a drying fan and an inner tub communicating with the drying fan are provided, the control method including: acquiring the current working power of the drying fan and the drying temperature of the inner barrel; and obtaining the temperature of the fan based on a preset relation among the current working power, the drying temperature and the temperature of the fan.
Optionally, obtaining the fan temperature based on a preset relationship among the current working power, the drying temperature, and the fan temperature includes: dividing the working power of the drying fan into a plurality of power intervals; obtaining a power grade according to the current working power and the power interval corresponding to the current working power; and obtaining the temperature of the fan based on a preset relation among the power grade, the drying temperature and the temperature of the fan.
Optionally, the obtaining a power level according to the current working power and the power interval corresponding to the current working power includes: acquiring a working power curve of the drying fan; and obtaining a power grade according to the current working power, the working power curve and the power interval corresponding to the current working power.
Optionally, the acquiring the current working power of the drying fan includes: acquiring the working voltage and the working current of the drying fan; and obtaining the current working power according to the working voltage and the working current.
Optionally, after obtaining the fan temperature based on the preset relationship among the current working power, the drying temperature, and the fan temperature, the method further includes: judging whether the temperature of the fan is greater than a preset temperature or not; if so, adjusting the working voltage through PWM to reduce the working voltage until the temperature of the fan reaches the preset temperature; if not, the working voltage is adjusted through PWM, so that the working voltage is increased until the temperature of the fan reaches the preset temperature.
According to a second aspect, an embodiment of the present invention further provides a control device for a washing machine, in which a drying fan and an inner tub communicating with the drying fan are provided, the control device including: the acquisition module is used for acquiring the current working power of the drying fan and the drying temperature of the inner barrel; and the processing module is used for obtaining the fan temperature based on the preset relation among the current working power, the drying temperature and the fan temperature.
According to a third aspect embodiments of the present invention provide an electronic device, comprising: the control method comprises a memory and a processor, wherein the memory and the processor are connected with each other in a communication mode, computer instructions are stored in the memory, and the processor executes the computer instructions so as to execute the control method in any one of the above embodiments.
According to a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to execute the control method of any one of the above embodiments.
The embodiment of the invention has the following beneficial effects:
1. the embodiment of the invention provides a control method of a washing machine, wherein the washing machine is provided with a drying fan and an inner barrel communicated with the drying fan, and the control method comprises the following steps: acquiring the current working power of the drying fan and the drying temperature of the inner barrel; and obtaining the temperature of the fan based on a preset relation among the current working power, the drying temperature and the temperature of the fan.
By the arrangement, the corresponding fan temperature can be obtained through the current working power and the drying temperature of the inner barrel, so that the fan temperature can be obtained by using a temperature sensor at a position where an air inlet of the drying fan is not located. The temperature of the fan can be adjusted by controlling the current working power of the drying fan under the condition that the temperature sensor is not arranged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a control method of a washing machine according to an embodiment of the present invention;
fig. 2 is a flowchart of a control method of a washing machine according to an embodiment of the present invention;
fig. 3 is an overall structure view of the drying blower and the inner tub according to the embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
With the continuous improvement of living standard, the traditional washing machine only having the function of washing clothes can not meet the requirements of people at present, so that the washing machine having the drying function is more and more widely used. At present, a washing machine with a drying function generally dries clothes in a hot air mode, and the working principle of the washing machine is mainly that hot air is blown into a washing machine barrel by opening a heating pipe and a drying fan to dry the clothes. The temperature of the outlet of the drying fan is obtained, namely the fan temperature is obtained mainly by installing the temperature sensor in the air duct, so that the line of the temperature sensor in a high-temperature and high-humidity environment is very easy to age, and the service life of the whole machine is shortened.
The technical problem to be solved by the embodiment of the invention is that the temperature sensor arranged in the air duct of the drying fan in the prior art is easy to age under the high-temperature and high-humidity environment, thereby providing a control method and a control device of a washing machine.
Example 1
As shown in fig. 1 to fig. 3, the present invention provides a control method of a washing machine, wherein the washing machine is provided with a drying fan 3 and an inner tub 6 communicated with the drying fan 3, the drying fan 3 rotates to heat air by a heating pipe at the front end and then enter the air inlet duct 1, the air enters the inner tub 6 from the air inlet 4, hot air dries clothes by the inner tub 6, enters the air outlet duct 2 from the air outlet 5, and returns to the drying fan 3 after cooling, so as to realize air circulation in the washing machine.
The control method may specifically include the steps of:
s1, acquiring the current working power of the drying fan 3 and the drying temperature of the inner barrel 6;
specifically, in the embodiment of the present invention, the working voltage and the working current of the drying fan 3 may be obtained first, and then the current working power may be obtained according to the working voltage and the working current. The drying temperature in the inner tub 6 may be acquired using a temperature detection device.
And S2, obtaining the temperature of the fan based on a preset relation among the current working power, the drying temperature and the temperature of the fan.
Then, the fan temperature may be obtained based on a preset relationship among the current operating power, the drying temperature, and the fan temperature.
In the embodiment of the invention, the corresponding fan temperature can be obtained through the numerical value comparison table among the current working power, the drying temperature and the fan temperature, and the corresponding fan temperature can also be obtained through the preset relation curve among the current working power, the drying temperature and the fan temperature.
Of course, the embodiment is only to illustrate the manner of obtaining the temperature of the fan, but the method is not limited to this, and a person skilled in the art may change the manner of obtaining the temperature of the fan according to actual situations, and may achieve the same technical effect.
By the arrangement, the corresponding fan temperature can be obtained through the current working power and the drying temperature of the inner barrel 6, so that the fan temperature can be obtained by using a temperature sensor at a position which is not at the air inlet 4 of the drying fan 3. The fan temperature can also be adjusted by controlling the current working power of the drying fan 3 without setting a temperature sensor.
Optionally, the S2 includes:
s21, performing interval division on the working power of the drying fan 3 to obtain a plurality of power intervals;
s22, obtaining a power grade according to the current working power and the power interval corresponding to the current working power;
and S23, obtaining the temperature of the fan based on the preset relation among the power grade, the drying temperature and the temperature of the fan.
In the embodiment of the invention, the working power of the drying fan 3 is divided into a plurality of power intervals. For the dividing manner, those skilled in the art can determine the dividing manner according to actual situations. And then obtaining the power grade corresponding to each interval according to the divided intervals and the current working power falling into the intervals. And obtaining the temperature of the fan according to the power grade, the drying temperature and a numerical comparison table among the temperatures of the fan.
For example, the fan power may be divided into three intervals: 131W-140W,141W-150W,151W-160W. The specific cases are shown in the following table:
of course, the above table is merely illustrative and can be determined by those skilled in the art according to the actual situation.
Optionally, the S22 includes:
s221, acquiring a working power curve of the drying fan 3;
s222, obtaining a power grade according to the current working power, the working power curve and the power interval corresponding to the current working power.
In the embodiment of the invention, the working power curve of the drying fan 3 can be obtained through the daily working condition of the drying fan. And then, obtaining a power grade according to the current working power, the working power curve and the power interval corresponding to the current working power.
Specifically, the power of the fan is divided into power levels according to an output power curve, the temperature of the fan can be different under the same power level due to different air outlet temperature values, and meanwhile, different fan temperatures can be obtained by changing the power value of the fan when the temperature value of the fan is kept the same.
In an optional embodiment of the present invention, after step S2, further comprising: judging whether the temperature of the fan is greater than a preset temperature or not; if so, adjusting the working voltage through PWM to reduce the working voltage until the temperature of the fan reaches the preset temperature; if not, the working voltage is adjusted through PWM, so that the working voltage is increased until the temperature of the fan reaches the preset temperature. Therefore, the temperature of the drying process is at a proper temperature, the drying efficiency is improved, the clothes are protected and dried, and the user experience is improved. For example, in the above table, if the outlet air temperature is 37 degrees, and the inlet air temperature is to be maintained at 84 degrees, the motor is maintained at a power level of 141W-150W.
Example 2
According to a second aspect, an embodiment of the present invention also provides a control device for a washing machine, in which a drying fan 3 and an inner tub 6 communicating with the drying fan 3 are provided, the control device including:
an obtaining module, configured to obtain a current working power of the drying fan 3 and a drying temperature of the inner tub 6; for details, please refer to step S1 of the above embodiment, which is not described herein again;
and the processing module is used for obtaining the fan temperature based on the preset relation among the current working power, the drying temperature and the fan temperature. For details, please refer to step S2 of the above embodiment, which is not repeated herein.
By the arrangement, the corresponding fan temperature can be obtained through the current working power and the drying temperature of the inner barrel 6, so that the fan temperature can be obtained by using a temperature sensor at a position which is not at the air inlet 4 of the drying fan 3. The fan temperature may also be adjusted by controlling the current operating power of the drying fan 3 without the provision of a temperature sensor.
Example 3
An embodiment of the present invention further provides an electronic device, which may include a processor and a memory, where the processor and the memory may be connected through a bus or in another manner, for example, by bus connection.
The processor may be a Central Processing Unit (CPU). The Processor may also be other general purpose processors, digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or a combination thereof.
The memory, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the control methods in the embodiments of the present invention. The processor executes various functional applications and data processing of the processor by running non-transitory software programs, instructions and modules stored in the memory, that is, implementing the control method in the above method embodiments.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor, and the like. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and such remote memory may be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory and, when executed by the processor, perform any of the control methods of the embodiments described above.
The specific details of the electronic device may be understood by referring to the corresponding related description and effects in any of the embodiments, which are not described herein again.
Example 4
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable the computer to execute any one of the control methods.
The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk Drive (Hard Disk Drive, abbreviated as HDD), or a Solid State Drive (SSD); the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (7)
1. A control method of a washing machine, characterized in that a drying fan (3) and an inner tub (6) communicated with the drying fan (3) are provided in the washing machine, the control method comprising:
acquiring the current working power of the drying fan (3) and the drying temperature of the inner barrel (6);
obtaining the fan temperature based on a preset relation among the current working power, the drying temperature and the fan temperature; based on the preset relation among the current working power, the drying temperature and the fan temperature, obtaining the fan temperature comprises:
the working power of the drying fan (3) is divided into a plurality of power intervals;
obtaining a power grade according to the current working power and the power interval corresponding to the current working power;
obtaining the fan temperature based on a preset relation among the power grade, the drying temperature and the fan temperature; the preset relation is a numerical value comparison table among the power grade, the drying temperature and the fan temperature.
2. The control method according to claim 1, wherein obtaining a power level according to the current operating power and the power interval corresponding to the current operating power comprises:
acquiring a working power curve of the drying fan (3);
and obtaining a power grade according to the current working power, the working power curve and the power interval corresponding to the current working power.
3. The control method according to claim 1 or 2, wherein said obtaining of the current operating power of the drying fan (3) comprises:
acquiring the working voltage and the working current of the drying fan (3);
and obtaining the current working power according to the working voltage and the working current.
4. The control method according to claim 3, further comprising, after obtaining the fan temperature based on a preset relationship among the current operating power, the drying temperature, and the fan temperature:
judging whether the temperature of the fan is greater than a preset temperature or not;
if so, adjusting the working voltage through PWM to reduce the working voltage until the temperature of the fan reaches the preset temperature;
if not, the working voltage is adjusted through PWM, so that the working voltage is increased until the temperature of the fan reaches the preset temperature.
5. A control device of a washing machine provided therein with a drying fan (3) and an inner tub (6) communicating with the drying fan (3), comprising:
the acquisition module is used for acquiring the current working power of the drying fan (3) and the drying temperature of the inner barrel (6);
the processing module is used for obtaining the fan temperature based on the preset relation among the current working power, the drying temperature and the fan temperature; based on the preset relation among the current working power, the drying temperature and the fan temperature, obtaining the fan temperature comprises:
the working power of the drying fan (3) is divided into a plurality of power intervals;
obtaining a power grade according to the current working power and the power interval corresponding to the current working power;
obtaining the temperature of the fan based on a preset relation among the power grade, the drying temperature and the temperature of the fan; the preset relation is a numerical value comparison table among the power grade, the drying temperature and the fan temperature.
6. An electronic device, comprising: a memory and a processor, the memory and the processor being communicatively connected to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the control method of any one of claims 1 to 4.
7. A computer-readable storage medium storing computer instructions for causing a computer to execute the control method according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111461393.2A CN114086376B (en) | 2021-12-02 | 2021-12-02 | Control method and control device of washing machine |
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| CN202111461393.2A CN114086376B (en) | 2021-12-02 | 2021-12-02 | Control method and control device of washing machine |
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| CN114086376A CN114086376A (en) | 2022-02-25 |
| CN114086376B true CN114086376B (en) | 2022-11-08 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100700780B1 (en) * | 2004-11-12 | 2007-03-27 | 엘지전자 주식회사 | A combined drying and washing machine and control method about the machine |
| KR101253641B1 (en) * | 2006-04-17 | 2013-04-10 | 엘지전자 주식회사 | Dryer and the control method of the same |
| WO2014173854A2 (en) * | 2013-04-26 | 2014-10-30 | Arcelik Anonim Sirketi | A laundry washer/dryer and the control method thereof |
| CN110747612B (en) * | 2018-07-05 | 2023-02-17 | 青岛海尔洗涤电器有限公司 | Clothes treating apparatus and temperature control method thereof |
| CN109082818A (en) * | 2018-08-16 | 2018-12-25 | 珠海格力电器股份有限公司 | The dirty stifled judgment method of washing-drying integral machine and its air duct, device and storage medium |
| CN110387728A (en) * | 2019-08-09 | 2019-10-29 | 浙江好易点智能科技有限公司 | Drying system and method and clothes airing machine based on object temperature/Humidity Detection to be dried |
| CN113403819A (en) * | 2021-05-24 | 2021-09-17 | 重庆海尔滚筒洗衣机有限公司 | Drying judgment method of clothes processing device and clothes processing device |
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