CN113718475B - Control method and device for clothes treatment - Google Patents
Control method and device for clothes treatment Download PDFInfo
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- CN113718475B CN113718475B CN202111005618.3A CN202111005618A CN113718475B CN 113718475 B CN113718475 B CN 113718475B CN 202111005618 A CN202111005618 A CN 202111005618A CN 113718475 B CN113718475 B CN 113718475B
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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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/40—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
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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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/44—Control of the operating time, e.g. reduction of overall operating time
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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
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/46—Control of the energy or water consumption
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
- D06F2105/48—Drum speed
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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
Abstract
The invention discloses a control method and a control device for clothes treatment, which comprises the steps of obtaining the sinking height of an inner barrel of a washing machine; acquiring a back electromotive force pulse value of a constant-frequency motor of the washing machine or a driving power value of a variable-frequency motor of the washing machine; determining a first load indicated value according to the sinking height difference of the inner drum and the corresponding relation between the preset height difference and the weight of the washed clothes; judging the weight of the wet clothes according to the corresponding relation between the preset back electromotive force pulse value or the driving power value and the weight of the washed clothes, and determining a second load indicated value; and controlling the washing machine to operate according to corresponding parameters based on the first load indicating value and the second load indicating value, detecting whether the water content of the clothes meets the requirements after the water is dehydrated, and performing corresponding operation. The invention has the characteristics of solving the problem of single dehydration of the washing machine, avoiding resource waste and the like.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a control method and a control device for clothes treatment.
Background
At present, the market popularity of washing machines in China exceeds 76% nationwide.
The existing washing machine basically dries water in a manner of rotating an inner barrel at a high speed. However, different clothes materials, weights and quantities lead to different dehydration speeds and different dehydration durations for the purpose of achieving the dehydration rate of the washing machine, and the single dehydration speed and the single dehydration duration cause unnecessary resource waste.
Disclosure of Invention
In order to overcome the above disadvantages of the prior art, the present invention provides a method and an apparatus for controlling a laundry process, which avoid the problem of wasting resources due to the consistent dehydration duration and the problem of unnecessarily increasing dehydration duration for different materials, weights and quantities of laundry.
The technical scheme adopted by the invention for solving the technical problems is as follows: a control method of laundry treatment, the method comprising,
s1: acquiring the sinking height of the inner drum of the washing machine;
acquiring a first height h1 of the sinking inner barrel after the clothes are put into the washing machine, wherein the first height h1 is acquired before the clothes to be washed are put into the washing machine and water enters;
acquiring a second height h2 of the sinking of the inner drum of the washing machine after the clothes are washed, wherein the second height h2 is acquired after the clothes are washed and drained by the washing machine;
determining a first height difference h = h2-h1, determining the weight of wet clothes corresponding to the first height difference according to the corresponding relation between the preset height difference and the weight of the washed clothes, and determining a first load indication value M;
s2: acquiring a back electromotive force pulse value of a constant-frequency motor of the washing machine or a driving power value of a variable-frequency motor of the washing machine;
judging the weight of the wet clothes according to the corresponding relation between the preset back electromotive force pulse value or the driving power value and the weight of the washed clothes, and determining a second load indicated value N;
s3: dehydrating the washing machine according to corresponding operation parameters based on the corresponding predicted values of the first load indicated value M and the second load indicated value N;
s4: obtaining a third height H3 of the sinking of the inner cylinder after dehydration, determining a second height difference H = H3-H1, judging the moisture content of the clothes after dehydration according to the corresponding relation of the preset height difference and the weight of the washed clothes, and determining a moisture content indicated value H;
judging whether the clothes after dehydration meet the target requirements or not according to the predicted value corresponding to the indicated value H of the water content;
if the indicated value H of the water content meets the target requirement, the washing machine enters the next program stage;
if the water content indicating value H does not meet the target requirement, the washing machine resumes the operations of S1, S2 and S3.
As a further improvement of the invention: and the sunken second height h2 of the inner barrel is obtained by detecting the water level of the empty barrel after the drainage device of the washing machine drains water.
As a further improvement of the invention: and the counter electromotive force pulse value of the fixed-frequency motor or the driving power value of the variable-frequency motor is obtained by detecting that the water level is the water level of the empty barrel.
As a further improvement of the invention: and the back electromotive force pulse value of the fixed-frequency motor is the back electromotive force pulse value generated by the continuous running of the impeller of the washing machine after the fixed-frequency motor is powered off.
As a further improvement of the invention: the driving power of the variable frequency motor is the power of the variable frequency motor driving the impeller of the washing machine to rotate.
As a further improvement of the invention: the corresponding operation parameters comprise dehydration beat, duration and rotating speed.
A control device for the treatment of laundry, characterized in that it comprises,
an acquisition module: the sinking height of the inner drum of the washing machine is obtained;
a first height acquisition unit: the washing machine is used for obtaining a first height of sinking of the inner barrel before water is fed into the washing machine after the clothes to be washed are put into the washing machine;
a second height acquisition unit: the second sinking height of the inner drum is detected when the water level is the empty drum water level after the washing and draining of the washing clothes;
a third height acquisition unit: the third height of sinking of the inner cylinder after the clothes are washed and dehydrated;
a calculation unit: the device comprises a first height difference and a second height difference, wherein the first height difference is a difference value between the second height and the first height, and the second height difference is a difference value between the third height and the first height;
motor parameter acquisition unit: the device is used for acquiring a back electromotive force pulse value of a constant frequency motor of the washing machine or a driving power value of a variable frequency motor;
a detection module: for determining a first load indicator value and a second load indicator value;
a first detection unit: the clothes washing machine is used for setting the first height difference and the second height difference acquired by the acquisition module as target values, judging the weight of wet clothes according to the corresponding relation between the preset height difference and the weight of washed clothes, and determining a first load indication value;
a second detection unit: the load control device is used for setting a back electromotive force pulse value of the fixed-frequency motor or a driving power value of the variable-frequency motor as a target value, judging the weight of wet clothes according to the corresponding relation between a preset back electromotive force pulse value or driving power value and the weight of washed clothes, and determining a second load indication value;
a control module: and the controller is used for controlling the washing machine to dewater according to the corresponding operating parameters according to the first load indication value and the second load indication value.
As a further improvement of the invention: the acquisition module comprises a distance detector or a magnet induction device, and the distance detector or the magnet induction device is arranged between the inner barrel and the top cover plate of the washing machine.
As a further improvement of the invention: the detection module is respectively connected with the acquisition module and the control module, and the control module is connected with the dewatering device of the washing machine.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention adjusts the dehydration operation parameters of the washing machine according to different load indicated values so as to achieve the purposes of energy conservation and emission reduction, can adjust the operation parameters such as dehydration time, beat, rotating speed and the like according to different materials, weights and the load capacity of clothes in quantity, and avoids the problems of resource waste and meaningless increase and singleness of dehydration time.
2. The invention determines a first load indicated value M through the sinking height change value of the inner cylinder of the washing machine, obtains a second load indicated value N through a back electromotive force pulse value generated when the wave wheel continues to operate after the fixed frequency motor is powered off or the power of the variable frequency motor driving the wave wheel to operate, and determines the wet load weight by combining the first load indicated value M and the second load indicated value N, thereby changing the dehydration operation parameters of the washing machine.
3. After the washing machine finishes the dehydration operation, the indicated value is obtained by obtaining the height change value of the inner barrel after water drainage again, whether the clothes meet the dehydration target requirement is judged, and the washing machine is controlled to perform corresponding operation, so that the clothes are dehydrated more accurately.
Drawings
FIG. 1 is a schematic diagram of the logic operation of the present invention.
Fig. 2 is a schematic structural diagram of the control device of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying description and examples:
as shown in fig. 1, the present invention provides a control method of laundry treatment, the method including, S1: acquiring the sinking height of the inner drum of the washing machine;
acquiring a first height h1 of the sinking inner barrel after the clothes are put into the washing machine, wherein the first height h1 is acquired before the clothes to be washed are put into the washing machine and water enters;
acquiring a second height h2 of the sinking of the inner drum of the washing machine after the clothes are washed, wherein the second height h2 is acquired after the clothes are washed and drained by the washing machine;
determining a first height difference h = h2-h1, determining the weight of wet clothes corresponding to the first height difference according to the corresponding relation between the preset height difference and the weight of the washed clothes, and determining a first load indication value M;
s2: acquiring a back electromotive force pulse value of a constant-frequency motor of the washing machine or a driving power value of a variable-frequency motor of the washing machine;
judging the weight of the wet clothes according to the corresponding relation between the preset back electromotive force pulse value or the driving power value and the weight of the washed clothes, and determining a second load indication value N;
s3: dehydrating the washing machine according to corresponding operation parameters based on the corresponding predicted values of the first load indicated value M and the second load indicated value N;
s4: obtaining a third height H3 of the sinking of the inner cylinder after dehydration, determining a second height difference H = H3-H1, judging the moisture content of the clothes after dehydration according to the corresponding relation of the preset height difference and the weight of the washed clothes, and determining a moisture content indicated value H;
judging whether the clothes after dehydration meet the target requirements or not according to the predicted value corresponding to the indicated value H of the water content;
if the indicated value H of the water content meets the target requirement, the washing machine enters the next program stage;
if the water content indicating value H does not meet the target requirement, the washing machine resumes the operations of S1, S2 and S3.
Specifically, the second height h2 of the inner barrel sinking is obtained by detecting the water level of the empty barrel after the drainage device of the washing machine drains water.
Specifically, the back electromotive force pulse value of the fixed-frequency motor or the driving power value of the variable-frequency motor is obtained by detecting that the water level is the empty water level of the barrel.
Specifically, the back electromotive force pulse value of the fixed-frequency motor is the back electromotive force pulse value generated by the continuous operation of the impeller of the washing machine after the fixed-frequency motor is powered off.
Specifically, the driving power of the variable frequency motor is the power for driving the impeller of the washing machine to rotate by the variable frequency motor.
Specifically, the corresponding operation parameters comprise dehydration beat, duration and rotating speed.
A control device for the treatment of laundry, characterized in that it comprises,
an acquisition module: the sinking height of the inner drum of the washing machine is obtained;
a first height acquisition unit: the washing machine is used for obtaining a first height of sinking of the inner barrel before water is fed into the washing machine after the clothes to be washed are put into the washing machine;
a second height acquisition unit: the second sinking height of the inner drum is detected when the water level is the empty drum water level after the washing and draining of the washing clothes;
a third height acquisition unit: the third height of sinking of the inner cylinder after the clothes are washed and dehydrated;
a calculation unit: the device comprises a first height difference and a second height difference, wherein the first height difference is a difference value between the second height and the first height, and the second height difference is a difference value between the third height and the first height;
motor parameter acquisition unit: the device is used for acquiring a back electromotive force pulse value of a constant-frequency motor of the washing machine or a driving power value of a variable-frequency motor;
a detection module: for determining a first load indicator value and a second load indicator value;
a first detection unit: the clothes washing machine is used for setting the first height difference and the second height difference acquired by the acquisition module as target values, judging the weight of wet clothes according to the corresponding relation between the preset height difference and the weight of washed clothes, and determining a first load indication value;
a second detection unit: the load control device is used for setting a back electromotive force pulse value of the fixed-frequency motor or a driving power value of the variable-frequency motor as a target value, judging the weight of wet clothes according to the corresponding relation between a preset back electromotive force pulse value or driving power value and the weight of washed clothes, and determining a second load indication value;
a control module: and the controller is used for controlling the washing machine to dewater according to the corresponding operating parameters according to the first load indication value and the second load indication value.
Specifically, the acquisition module comprises a distance detector or a magnet induction device, and the distance detector or the magnet induction device is installed between the inner drum and the top cover plate of the washing machine.
Specifically, the detection module is respectively connected with the acquisition module and the control module, and the control module is connected with the dewatering device of the washing machine.
The working principle of the invention is as follows: before the clothes are put into a washing machine and not drained, the height h1 of an inner drum is detected by an acquisition module, after the water is drained by a clothes treatment device, the water level is detected to be a target water level (empty drum water level), the height h2 of the inner drum at the moment is detected by the acquisition module, the height difference h2-h1 is determined, the weight of the wet clothes at the moment is judged according to the corresponding relation between the preset height difference and the weight of the washed clothes to obtain a first load indication value M, the counter electromotive force pulse value generated by the continuous running of a pulsator after the power failure of a frequency motor or the power of the running of the pulsator driven by the frequency conversion motor is detected at the same time, the weight of the wet clothes at the moment is judged according to the corresponding relation between the preset counter electromotive force pulse value or the preset driving power and the weight of the washed clothes to obtain a second load indication value N, and the corresponding dehydration-to-stop ratio is operated according to the first load indication value M and the preset value N, Rotating speed and other parameters, after the washing machine finishes dewatering, the acquisition module detects the height H3 of the inner cylinder again at the moment, determines the height difference H3-H1, judges the water content of the dewatered clothes according to the corresponding relation between the preset height difference and the washed clothes to obtain a water content indicated value H, judges whether the water content of the clothes meets the target requirement or not according to the predicted value of the water content indicated value H, enters the next program stage if the water content meets the requirement, and operates the dewatering logic operation again if the water content does not meet the requirement.
The main functions of the invention are as follows: according to the invention, the dehydration operation parameters of the washing machine are adjusted according to the difference of the set first load indicated value and the set second load indicated value so as to achieve the purposes of energy conservation and emission reduction, and the problems of resource waste and time length increase caused by single dehydration rotating speed when the materials, the quantity and the weight of clothes are different are avoided.
In summary, after reading the present disclosure, those skilled in the art can make various other corresponding changes without creative mental labor according to the technical solutions and concepts of the present disclosure, and all of them are within the protection scope of the present disclosure.
Claims (9)
1. A control method of laundry treatment, characterized in that it comprises:
s1: acquiring the sinking height of the inner drum of the washing machine;
acquiring a first height h1 of the sinking inner barrel after the clothes are put into the washing machine, wherein the first height h1 is acquired before the clothes to be washed are put into the washing machine and water enters;
acquiring a second height h2 of the sinking of the inner drum of the washing machine after the clothes are washed, wherein the second height h2 is acquired after the clothes are washed and drained by the washing machine;
determining a first height difference h = h2-h1, determining the weight of wet clothes corresponding to the first height difference according to the corresponding relation between the preset height difference and the weight of the washed clothes, and determining a first load indication value M;
s2: acquiring a back electromotive force pulse value of a constant-frequency motor of the washing machine or a driving power value of a variable-frequency motor of the washing machine;
judging the weight of the wet clothes according to the corresponding relation between the preset back electromotive force pulse value or the driving power value and the weight of the washed clothes, and determining a second load indicated value N;
s3: dehydrating the washing machine according to corresponding operation parameters based on the corresponding predicted values of the first load indicated value M and the second load indicated value N;
s4: obtaining a third height H3 of the sinking of the inner cylinder after dehydration, determining a second height difference H = H3-H1, judging the moisture content of the clothes after dehydration according to the corresponding relation of the preset height difference and the weight of the washed clothes, and determining a moisture content indicated value H;
judging whether the clothes after dehydration meet the target requirements or not according to the predicted value corresponding to the indicated value H of the water content;
if the indicated value H of the water content meets the target requirement, the washing machine enters the next program stage;
if the water content indicating value H does not meet the target requirement, the washing machine resumes the operations of S1, S2 and S3.
2. A laundry processing control method according to claim 1, wherein the second height h2 of the inner tub sinking is obtained by detecting the water level as an empty tub water level after the drainage of the washing machine drainage device.
3. The method of claim 1, wherein the back electromotive force pulse value of the constant frequency motor or the driving power value of the variable frequency motor is obtained when the detected water level is an empty tub water level.
4. The control method of claim 1, wherein the back electromotive force pulse value of the constant frequency motor is a back electromotive force pulse value generated by the pulsator of the washing machine continuously operating after the constant frequency motor is powered off.
5. The control method of a laundry process according to claim 1, wherein the driving power of the inverter motor is a power of the inverter motor driving the pulsator of the washing machine to operate.
6. A control method of laundry treatment according to claim 1, characterized in that the respective operating parameters include dehydration beat, duration and rotation speed.
7. A control device for the treatment of laundry, characterized in that it comprises,
an acquisition module: the sinking height of the inner drum of the washing machine is obtained;
a first height acquisition unit: the washing machine is used for obtaining a first height of sinking of the inner barrel before water is fed into the washing machine after the clothes to be washed are put into the washing machine;
a second height acquisition unit: the second sinking height of the inner drum is detected when the water level is the empty drum water level after the washing and draining of the washing clothes;
a third height acquisition unit: the third height of sinking of the inner cylinder after the clothes are washed and dehydrated;
a calculation unit: the device comprises a first height difference and a second height difference, wherein the first height difference is a difference value between the second height and the first height, and the second height difference is a difference value between the third height and the first height;
motor parameter acquisition unit: the device is used for acquiring a back electromotive force pulse value of a constant frequency motor of the washing machine or a driving power value of a variable frequency motor;
a detection module: for determining a first load indicator value and a second load indicator value;
a first detection unit: the first height difference and the second height difference which are acquired by the acquisition module are set as target values, the weight of the wet clothes is judged according to the corresponding relation between the preset height difference and the weight of the washed clothes, and a first load indicating value is determined;
a second detection unit: the load control device is used for setting a back electromotive force pulse value of the fixed-frequency motor or a driving power value of the variable-frequency motor as a target value, judging the weight of wet clothes according to the corresponding relation between a preset back electromotive force pulse value or driving power value and the weight of washed clothes, and determining a second load indication value;
a control module: and the controller is used for controlling the washing machine to dewater according to the corresponding operating parameters according to the first load indication value and the second load indication value.
8. A control device for laundry processing according to claim 7, characterized in that the acquisition module comprises a distance detector or a magnet sensing device, which is installed between the washing machine drum and the top cover plate.
9. A control device for laundry treatment according to claim 7, characterized in that the detection module is connected respectively to the acquisition module and to a control module connected to a washing machine dehydration unit.
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