CN112301638B - Washing machine, control method and device of washing machine, processor and washing system - Google Patents

Washing machine, control method and device of washing machine, processor and washing system Download PDF

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Publication number
CN112301638B
CN112301638B CN202011148871.XA CN202011148871A CN112301638B CN 112301638 B CN112301638 B CN 112301638B CN 202011148871 A CN202011148871 A CN 202011148871A CN 112301638 B CN112301638 B CN 112301638B
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value
washing machine
weighing
weighing sensor
eccentric
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CN112301638A (en
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赵佳
廖芷珊
韩伟
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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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
    • 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
    • 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
    • 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
    • D06F2103/26—Unbalance; Noise level
    • 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

Abstract

The application provides a washing machine, a control method and device of the washing machine, a processor and a washing system. The washing machine comprises a washing machine body, a supporting beam, a weighing sensor and a roller, wherein the supporting beam can support the washing machine body, the shaking of the washing machine in the washing process can be effectively reduced, the stability of the washing machine is improved, the weighing sensor can quickly and accurately obtain the weight of clothes in the roller of the washing machine and is directly connected with the supporting beam and the roller, the washing machine is simple in structure, the washing machine is convenient to install by workers, the space inside the washing machine body is saved, the vertical stress of a resistance strain gauge can be guaranteed to be better, the measurement error caused by shaking generated when the roller is stressed and swings is reduced, the stability of the washing machine is better, the weighing sensor can accurately obtain the weight of the clothes in the roller of the washing machine, and the problem that the obtained weighing result is not stable when the washing machine is not stable is solved.

Description

Washing machine, control method and device of washing machine, processor and washing system
Technical Field
The present application relates to the field of washing machines, and in particular, to a washing machine, a control method and apparatus of the washing machine, a computer-readable storage medium, a processor, and a washing system.
Background
The drum washing machine can be internally provided with a weighing sensor to judge the weight of clothes, so that the water inflow, the washing time and the like can be reasonably set according to the amount of the put clothes, and further, the highest dehydration rotating speed can be set by combining the unbalance amount, so that the energy-saving and efficient washing effect can be realized.
In the related art, the weighing of the weighing sensor is affected by the state of the washing machine, and when the washing machine is unstable, the obtained weighing is not accurate.
The above information disclosed in this background section is only for enhancement of understanding of the background of the technology described herein and, therefore, certain information may be included in the background that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The present application mainly aims to provide a washing machine, a control method and device for the washing machine, a computer readable storage medium, a processor and a washing system, so as to solve the problem in the prior art that when the washing machine is unstable, the obtained weighing result is not accurate.
According to an aspect of an embodiment of the present invention, there is provided a washing machine including: a washing machine body; a supporting cross member installed on an inner surface of a top of the washing machine body; one end of the weighing sensor is connected with the supporting beam; and the roller is connected with the other end of the weighing sensor.
Optionally, the washing machine further comprises: the first connecting piece is used for connecting the supporting beam and the weighing sensor; and the second connecting piece is used for connecting the weighing sensor and the roller.
Optionally, the first connecting piece is a lifting ring, and the second connecting piece is a lifting hook.
Optionally, the load cell is an S-shaped pressure hook scale.
Optionally, the strain beam of the weighing sensor is a double-connection-hole parallel beam structure.
According to still another aspect of an embodiment of the present invention, there is provided a control method of a washing machine, including: an obtaining step of obtaining a weighing value of a weighing sensor of the washing machine; a linearization processing step, which is to carry out linearization processing on the weighing value to obtain a linearization weighing value; determining, namely determining the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value; a first control step, controlling to level the object to be washed in the washing machine by adopting a corresponding eccentric value according to the size relation; and a second control step of controlling the dehydration rotation speed of the washing machine according to the current eccentric value of the washing machine in the process of swinging the laundry.
Optionally, the linearization processing step includes: according to
Figure BDA0002740569630000021
Calculating an actual calibration division value V of the weighing cell, wherein DmaxThe maximum load value of the weighing sensor is obtained; dminIs the scaleMinimum load value of retransmission sensor; n ismaxThe maximum division value of the weighing sensor; acquiring a 75% load value and a 75% division value of the weighing sensor; calculating a first indicating value corresponding to the weighing sensor corresponding to the 75% load value according to the 75% index value and the 75% load value; according to the first indicating value, the second indicating value and the 75% division value, adopting a formula
Figure BDA0002740569630000022
Calculating a conversion factor f, wherein K0.75Is the first indication; kminIs the second indicating value which is the minimum load value D of the weighing sensorminCorresponding indication values; according to the conversion coefficient, the minimum load value, the actual verification division value, the second indication value and DiUsing the formula
Figure BDA0002740569630000023
Calculating an output indication R of the weighing sensori，DiThe current load value of the weighing sensor is obtained; using a formula
Figure BDA0002740569630000024
Figure BDA0002740569630000025
Calculating the linearized weighing value, wherein M is the number of the output indicating values of the weighing sensor in a preset time period; m isin{Xi-is the minimum of M said output indications; max { X }iIs the maximum of M of said output indications, XiData output for the load cell.
Optionally, the first controlling step includes: under the condition that the linearized weighing value is larger than the maximum weighing value, controlling to level the object to be washed in the washing machine by adopting a first eccentric value; under the condition that the linearized weighing value is smaller than the minimum weighing value, controlling to level the object to be washed in the washing machine by adopting a second eccentricity value, wherein the first eccentricity value is smaller than the second eccentricity value; and under the condition that the linearized weighing value is less than or equal to the maximum weighing value and greater than or equal to the minimum weighing value, controlling to level the to-be-washed objects in the washing machine by adopting gradually increased eccentric values.
Optionally, the second controlling step includes: detecting whether the current eccentricity value of the washing machine is smaller than a corresponding eccentricity value limit value; and controlling the washing machine to accelerate for dehydration under the condition that the current eccentricity value is smaller than the corresponding eccentricity value limit value.
Optionally, in a case where the current eccentricity value is greater than or equal to the corresponding eccentricity value limit value, the control method further includes: and repeating the acquiring step, the linearization processing step, the determining step, the first control step and the second control step at least once in sequence until the current eccentricity value is smaller than the corresponding eccentricity value limit value.
According to another aspect of the embodiments of the present invention, there is also provided a control apparatus of a washing machine, including: an acquisition unit for performing the acquisition step to acquire a weighing value of a weighing sensor of the washing machine; the processing unit is used for executing the linearization processing step so as to carry out linearization processing on the weighing value to obtain a linearization weighing value; a determining unit, configured to perform a determining step, and determine a magnitude relationship between the linearized weighting value and a maximum weighting value and/or a minimum weighting value; the first control unit is used for executing the first control step and controlling the object to be washed in the washing machine to be leveled by adopting the corresponding eccentric value according to the size relation; and the second control unit is used for executing a second control step, and controlling the dehydration rotating speed of the washing machine according to the current eccentric value of the washing machine in the process of swinging the laundry.
According to still another aspect of embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program executes any one of the control methods.
According to still another aspect of the embodiments of the present invention, there is also provided a processor, configured to execute a program, where the program executes any one of the control methods when running.
According to another aspect of embodiments of the present invention, there is also provided a laundry system including: any one of the washing machine, one or more processors, memory, and one or more programs stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing any one of the control methods.
In the embodiment of the invention, the supporting beam can support the washing machine body, the shaking of the washing machine in the washing process can be effectively reduced, the stability of the washing machine is improved, the weighing sensor can quickly and accurately obtain the weight of clothes in the drum of the washing machine and is directly connected with the supporting beam and the drum, the structure is simple, the installation of workers is convenient, the space in the washing machine body is saved, the vertical stress of the resistance strain gauge can be ensured to be better, the measurement error caused by the shaking generated when the drum is stressed and swings is reduced, the stability of the washing machine is better, the weighing sensor can accurately obtain the weight of the clothes in the drum of the washing machine, and the problem that the obtained weighing result is inaccurate when the washing machine is unstable is further solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
fig. 1 illustrates a schematic structural view of a washing machine according to an embodiment of the present application;
fig. 2 illustrates a flowchart of a control method of a washing machine according to an embodiment of the present application;
FIG. 3 shows a flow chart of the linearization step;
fig. 4 illustrates a schematic structural diagram of a control apparatus of a washing machine according to an embodiment of the present application;
fig. 5 illustrates a flowchart of another control method of a washing machine according to an embodiment of the present application.
Wherein the figures include the following reference numerals:
10. a washing machine body; 20. a support beam; 30. a weighing sensor; 40. a drum; 41. an outer cylinder; 42. an inner barrel; 50. a first connecting member; 60. a second connecting member; 70. a spring; 80. a damper.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As described in the background art, in order to solve the above problems, in the prior art, when a washing machine is unstable, a weighing result obtained is inaccurate, and in an exemplary embodiment of the present application, a washing machine, a control method and apparatus of the washing machine, a computer-readable storage medium, a processor, and a washing system are provided.
According to an embodiment of the present application, there is provided a washing machine. Fig. 1 is a structural view of a washing machine according to an embodiment of the present application. As shown in fig. 1, the washing machine includes:
a washing machine body 10;
a supporting beam 20 installed on the inner surface of the top of the washing machine body 10;
a load cell 30 having one end connected to the support beam 20;
and a drum 40 connected to the other end of the load cell 30.
In the washing machine, the supporting beam 20 can support the washing machine body 10, the shaking of the washing machine in the washing process can be effectively reduced, the stability of the washing machine is improved, the weighing sensor 30 can quickly and accurately obtain the weight of clothes in the washing machine roller 40, and is directly connected with the supporting beam 20 and the washing machine roller 40, the structure is simple, the installation by workers is convenient, the space inside the washing machine body 10 is saved, the vertical stress of a resistance strain gauge can be ensured to be better, the measurement error caused by the shaking generated when the washing machine roller 40 is stressed and swung is reduced, the stability of the washing machine is better, the weighing sensor 30 can accurately obtain the weight of the clothes in the washing machine roller 40, and the problem that the obtained weighing result is not accurate when the washing machine is not stable is solved.
In an embodiment of the present application, as shown in fig. 1, the washing machine further includes: a first connector 50 and a second connector 60, the first connector 50 being used to connect the support beam 20 and the load cell 30; the second link 60 is used to connect the load cell 30 and the drum 40. In this embodiment, the first connecting member 50 and the second connecting member 60 are arranged, so that the difficulty of installing the washing machine by workers can be further reduced, the space inside the washing machine body 10 is further saved, and the stability of the washing machine is further ensured to be better.
As shown in fig. 1, in another embodiment of the present application, the drum 40 is divided into an outer tub 41 and an inner tub 42, and the washing machine further includes a spring 70 and a damper 80.
In another embodiment of the present application, the first connecting member is a hanging ring, and the second connecting member is a hanging hook. In this embodiment, connect supporting beam and weighing sensor through rings, connect weighing sensor and cylinder through the lifting hook, further make washing machine's structure comparatively simple.
In another embodiment of the present application, the load cell is an S-shaped pressure hook scale. In this embodiment, the S-shaped pressure hook scale has high sensitivity and good stability, and the weight of the laundry in the drum of the washing machine can be further accurately obtained by using the S-shaped pressure hook scale.
When no laundry is in the drum of the washing machine, the weighing sensor does not bear load, the elastic sensitive element does not generate strain, the resistance strain gauge adhered to the elastic sensitive element does not generate deformation, the resistance of the resistance strain gauge is not changed, and therefore the output quantity (voltage is not changed), and the weighing value in the weighing sensor can be 0 at the moment; when the laundry with different weights is put into the drum, the weighing sensor bears the load, the resistance of the strain gauge changes, so that the internal bridge circuit of the weighing sensor is unbalanced, the output voltage also changes and is in a certain proportion to the weight of the load, and the weighing value in the weighing sensor is not 0 at the moment.
In another embodiment of the present application, as shown in fig. 1, the strain beam of the load cell 30 is a dual-hole parallel beam structure, and the strain beam is suspended between the outer cylinder 41 and the supporting beam 20. In the embodiment, the stability and the sensitivity of the double-connection-hole parallel beam structure are better, and the stability of the washing machine is further ensured to be better.
It should be noted that the strain beam uses a double-connection-hole parallel beam structure, the double-connection-hole parallel beam structure is suitable for a small measuring range, stable in mechanical property and high in sensitivity, and the resistance strain gauge is generally installed at the thinnest upper and lower positions in a double hole, namely the position with the maximum strain, so that the sensitivity is good.
According to an embodiment of the present application, there is provided a control method of a washing machine. Fig. 2 is a flowchart of a control method of a washing machine according to an embodiment of the present application. As shown in fig. 2, the method comprises the steps of:
step S101, an obtaining step, namely obtaining a weighing value of a weighing sensor of the washing machine;
step S102, a linearization processing step, in which linearization processing is carried out on the weighing value to obtain a linearization weighing value;
step S103, determining the magnitude relation between the linearized weighting value and the maximum weighting value and/or the minimum weighting value;
step S104, a first control step, according to the size relation, controlling to level the object to be washed in the washing machine by adopting a corresponding eccentric value;
and S105, a second control step, namely controlling the dehydration rotating speed of the washing machine according to the current eccentric value of the washing machine in the process of swinging the laundry.
In the method, firstly, the weighing value of a weighing sensor of the washing machine is obtained, the obtained weighing value is subjected to linearization treatment to obtain a linearized weighing value, then, the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value is determined, the object to be washed in the washing machine is leveled by adopting the corresponding eccentric value according to the determined magnitude relation, and then, the dehydration rotating speed of the washing machine can be controlled according to the current eccentric value of the washing machine in the process of leveling the object to be washed. In the method, the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value can be accurately determined by performing linearization processing on the weighing value, so that the object to be washed in the washing machine can be leveled efficiently by adopting the corresponding accurate eccentric value, and the washing machine is efficiently controlled to finish dehydration according to the current eccentric value of the object to be washed. In addition, the method can acquire the accurate weighing value of the weighing sensor of the washing machine, can more accurately determine the corresponding eccentric value according to the weighing value, and can subsequently efficiently control the balance of the to-be-washed objects and the dehydration rotating speed of the washing machine according to the eccentric value, thereby improving the working efficiency of the washing machine.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
In an embodiment of the application, the linearization processing step includes: according to
Figure BDA0002740569630000061
Calculating the actual calibration division value V of the weighing sensor, wherein DmaxThe maximum load value of the weighing sensor is obtained; dminThe minimum load value of the weighing sensor is obtained; n ismaxThe maximum division value of the weighing sensor; acquiring a 75% load value and a 75% division value of the weighing sensor; calculating a first indicating value corresponding to the weighing sensor corresponding to the 75% load value according to the 75% index value and the 75% load value; according to the first indicating value, the second indicating value and the 75% division value, adopting a formula
Figure BDA0002740569630000062
Calculating a conversion factor f, wherein K0.75Is the first indication value; kminThe second indication value is the minimum load value D of the weighing sensorminCorresponding indication values; based on the conversion coefficient, the minimum load value, the actual calibration index value, the second index value, and DiUsing the formula
Figure BDA0002740569630000063
Figure BDA0002740569630000064
Calculating the output indication value R of the weighing sensori，DiThe current load value of the weighing sensor is obtained; using a formula
Figure BDA0002740569630000065
Calculating the linearized weighing value, wherein M is the number of the output indicating values of the weighing sensor in a preset time period; m isin{Xi-is the minimum of M of said output readings; max { X }iIs the maximum of M of said output indications, XiAnd the data is output by the weighing sensor. In the embodiment, the weighing value is subjected to linearization treatment, so that an accurate linearized weighing value can be obtained, the problem of nonlinearity of the output of the weighing sensor is further improved by adopting a 75% load coefficient method, the precision of output data is improved, the operation amount can be reduced, and the calculation rate is improved.
The step of linearizing the specific process may be as shown in FIG. 3, using a formula
Figure BDA0002740569630000066
Calculating the actual calibration division value V of the weighing cell, wherein DmaxThe maximum load value of the weighing sensor; dminThe minimum load value of the weighing sensor; n ismaxThe maximum division value of the weighing sensor; using formula D75％＝Dmin+(Dmax-Dmin) X 75% calculating the 75% load value, where D75％At 75% load value, using the formula n75％＝nmaxX 75% calculating a 75% division value, where n75％Is a 75% division value; calculating a first indicating value corresponding to the weighing sensor corresponding to 75% of the load value by adopting an interpolation method; using a formula
Figure BDA0002740569630000067
Calculating a conversion factor f, wherein K0.75Is a first indication; kminIs a second indication value which is the minimum load value D of the weighing sensorminCorresponding indication, KminObtained simultaneously with 75% of the load value, KminIn contrast to the 75% load value, K0.75The first 75% of the data division, K, was obtainedminIs obtained as DminAverage value of (d); using formulas
Figure BDA0002740569630000068
Calculating the output indication R of the weighing sensori，DiThe current load value of the weighing sensor is obtained; using a formula
Figure BDA0002740569630000069
Calculating a linearized weighing value, wherein M is the number of output indication values of the weighing sensor in a preset time period; m isin{XiIs the minimum of the M output readings; max { X }iIs the maximum of the M output indications, XiFor the data output by the weighing sensor, every time a calculation process is carried out, the value of M is accumulated, namely M is M +1, whether M is less than or equal to 5 or not is determined, if M is less than or equal to 5, the obtaining step is executed again, and if M is more than 5, a formula is adopted
Figure BDA0002740569630000071
Calculating a linearized weighing value; the error of the lower limit area of the scale body measuring range due to noise and external interference signals can be removed, and an accurate linearized weighing value can be obtained.
In another embodiment of the present application, the first controlling step includes: under the condition that the linearized weighing value is larger than the maximum weighing value, controlling to level the object to be washed in the washing machine by adopting a first eccentric value; under the condition that the linearized weighing value is smaller than the minimum weighing value, controlling to level the object to be washed in the washing machine by adopting a second eccentric value, wherein the first eccentric value is smaller than the second eccentric value, the weighing value and the eccentric value are in a linear relation according to an experimental phenomenon, and when the weighing is changed, the corresponding eccentric value can be changed for control; and under the condition that the linearized weighing value is less than or equal to the maximum weighing value and greater than or equal to the minimum weighing value, controlling to level the to-be-washed objects in the washing machine by adopting gradually increased eccentric values, wherein the gradually increased eccentric values represent that the eccentric values gradually increase gradually. In the embodiment, different eccentric values can be adopted for different linearized weighing values to balance the objects to be washed in the washing machine, when the objects to be washed in the washing machine are more, namely the linearized weighing value is larger than the maximum weighing value, the objects to be washed can be leveled by adopting the first eccentric value, when the objects to be washed in the washing machine are less, namely the linearized weighing value is smaller than the minimum weighing value, the objects to be washed can be leveled by adopting the second eccentric value, the objects to be washed can be further leveled effectively, the phenomenon that the washing machine collides a cylinder when in operation is avoided, and in the second case, the second condition that the linearized weighing value is smaller than the minimum weighing value can reduce the leveling time.
In another embodiment of the present application, the second controlling step includes: detecting whether the current eccentric value of the washing machine is smaller than a corresponding eccentric value limit value or not, wherein the eccentric value and the weighing value are in a linear relation, and preliminarily amplifying the eccentric value for control when the weighing value is not changed; and controlling the washing machine to increase the speed for dewatering when the current eccentricity value is smaller than the corresponding eccentricity value limit value. In the embodiment, under the condition that the current eccentric value is smaller than the corresponding eccentric value limit value, the representation that the object to be washed is leveled is carried out, so that the washing machine is controlled to accelerate for dehydration, and the better working efficiency of the washing machine can be further ensured.
The eccentricity value may be a rate of change of the rotation speed of the washing machine increasing-speed dewatering drum, a rate of change of time for maintaining increasing-speed dewatering, a rate of change of acceleration during dewatering operation of the drum, or other eccentricity values, and those skilled in the art can select an appropriate eccentricity value according to actual conditions.
In another embodiment of the present application, in a case where the current eccentricity value is greater than or equal to the corresponding eccentricity value limit, the control method further includes: and repeating the acquiring step, the linearizing step, the determining step, the first controlling step and the second controlling step at least once until the current eccentricity value is smaller than the corresponding eccentricity value limit value. In this embodiment, when the current value is greater than or equal to the corresponding eccentricity value, it is characterized that the laundry is not leveled, and the above steps may be repeated at least once, further ensuring that the laundry in the washing machine can be effectively leveled.
The embodiment of the present application further provides a control device of a washing machine, and it should be noted that the control device of the washing machine of the embodiment of the present application can be used for executing the control method for the washing machine provided by the embodiment of the present application. The control device of the washing machine provided by the embodiment of the application is described below.
Fig. 4 is a schematic view of a control apparatus of a washing machine according to an embodiment of the present application. As shown in fig. 4, the apparatus includes:
an acquisition unit 100 for performing an acquisition step to acquire a weighing value of a weighing sensor of the washing machine;
a processing unit 200, configured to perform a linearization processing step to perform linearization processing on the weighing value to obtain a linearized weighing value;
a determining unit 300, configured to perform a determining step, and determine a magnitude relationship between the linearized weighting value and the maximum weighting value and/or the minimum weighting value;
a first control unit 400 for executing a first control step of controlling to level the laundry in the washing machine with the corresponding eccentric value according to the magnitude relation;
a second control unit 500 for performing a second control step of controlling a dehydration rotation speed of the washing machine according to a current eccentric value of the washing machine in the process of leveling the laundry.
In the device, the acquisition unit acquires a weighing value of a weighing sensor of the washing machine, the processing unit performs linearization processing on the acquired weighing value to obtain a linearized weighing value, the determination unit determines the magnitude relation between the linearized weighing value and a maximum weighing value and/or a minimum weighing value, the first control unit flattens the to-be-washed object in the washing machine by adopting a corresponding eccentric value according to the determined magnitude relation, and the second control unit can control the dewatering rotating speed of the washing machine according to the current eccentric value of the washing machine in the process of flattening the to-be-washed object. In the device, the weighing value is linearized, so that the relationship between the linearized weighing value and the maximum weighing value and/or the minimum weighing value can be accurately determined, the object to be washed in the washing machine can be leveled efficiently by adopting the corresponding accurate eccentric value, and the washing machine is efficiently controlled to finish dehydration according to the current eccentric value of the object to be washed. In addition, the device can acquire an accurate weighing value of a weighing sensor of the washing machine, can more accurately determine a corresponding eccentric value according to the weighing value, and can subsequently efficiently control the balance of the to-be-washed objects and the dehydration rotating speed of the washing machine according to the eccentric value, so that the working efficiency of the washing machine is improved.
In an embodiment of the present application, the processing unit includes a first calculating module, a first obtaining module, a second calculating module, a third calculating module, a fourth calculating module and a fifth calculating module, and the first calculating module is configured to calculate the first value according to the first calculating module
Figure BDA0002740569630000081
Calculating the actual calibration division value V of the weighing sensor, wherein DmaxThe maximum load value of the weighing sensor is obtained; dminThe minimum load value of the weighing sensor is obtained; n ismaxThe maximum division value of the weighing sensor; the first acquisition module is used for acquiring a 75% load value and a 75% division value of the weighing sensor; the second calculating module is used for calculating a first indicating value corresponding to the weighing sensor corresponding to the 75% load value according to the 75% division value and the 75% load value; the third calculating module is used for adopting a formula according to the first indicating value, the second indicating value and the 75% division value
Figure BDA0002740569630000082
Calculating a conversion factor f, wherein K0.75Is the first indication value; kminFor the second indication, upThe second indicating value is the minimum load value D of the weighing sensorminCorresponding indication values; the fourth calculation module is used for calculating the second indication value according to the conversion coefficient, the minimum load value, the actual verification division value, the second indication value and DiUsing the formula
Figure BDA0002740569630000083
Calculating the output indication value R of the weighing sensori，DiThe current load value of the weighing sensor is obtained; a fifth calculation module for employing the formula
Figure BDA0002740569630000084
Calculating the linearized weighing value, wherein M is the number of the output indicating values of the weighing sensor in a preset time period; m isin{Xi-is the minimum of M of said output readings; max { X }iIs the maximum of M of said output indications, XiAnd the data is output by the weighing sensor. In the embodiment, the weighing value is subjected to linearization treatment, so that an accurate linearized weighing value can be obtained, the problem of nonlinearity of the output of the weighing sensor is further improved by adopting a 75% load coefficient method, the precision of output data is improved, the operation amount can be reduced, and the calculation rate is improved.
The step of linearizing the specific process may be as shown in FIG. 3, using a formula
Figure BDA0002740569630000091
Calculating the actual calibration division value V of the weighing cell, wherein DmaxThe maximum load value of the weighing sensor; dminThe minimum load value of the weighing sensor; n ismaxThe maximum division value of the weighing sensor; using formula D75％＝Dmin+(Dmax-Dmin) X 75% calculating the 75% load value, where D75％At 75% load value, using the formula n75％＝nmaxX 75% calculating a 75% division value, where n75％Is a 75% division value; calculating the weight corresponding to 75% of the load value by interpolationA first indication value corresponding to the sensor; using a formula
Figure BDA0002740569630000092
Calculating a conversion factor f, wherein K0.75Is a first indication; kminIs a second indication value which is the minimum load value D of the weighing sensorminCorresponding indication, KminObtained simultaneously with 75% of the load value, KminIn contrast to the 75% load value, K0.75The first 75% of the data division, K, was obtainedminIs obtained as DminAverage value of (d); using formulas
Figure BDA0002740569630000093
Calculating the output indication R of the weighing sensori，DiThe current load value of the weighing sensor is obtained; using a formula
Figure BDA0002740569630000094
Calculating a linearized weighing value, wherein M is the number of output indication values of the weighing sensor in a preset time period; m isin{XiIs the minimum of the M output readings; max { X }iIs the maximum of the M output indications, XiFor the data output by the weighing sensor, every time a calculation process is carried out, the value of M is accumulated, namely M is M +1, whether M is less than or equal to 5 or not is determined, if M is less than or equal to 5, the obtaining step is executed again, and if M is more than 5, a formula is adopted
Figure BDA0002740569630000095
Calculating a linearized weighing value; the error of the lower limit area of the scale body measuring range due to noise and external interference signals can be removed, and an accurate linearized weighing value can be obtained.
In another embodiment of the present application, the first control unit includes a first control module, a second control module and a third control module, the first control module is configured to control the laundry in the washing machine to be leveled by using a first eccentric value when the linearized weight value is greater than the maximum weight value; the second control module is used for controlling and adopting a second eccentric value to level the object to be washed in the washing machine under the condition that the linearized weighing value is smaller than the minimum weighing value, wherein the first eccentric value is smaller than the second eccentric value, the weighing value and the eccentric value are in a linear relation according to an experimental phenomenon, and when the weighing is changed, the corresponding eccentric value can be changed for control; and the third control module is used for controlling the objects to be washed in the washing machine to be leveled by adopting gradually increased eccentric values under the condition that the linearized weighing value is less than or equal to the maximum weighing value and is greater than or equal to the minimum weighing value, and the gradually increased eccentric values represent that the eccentric values are gradually increased. In the embodiment, different eccentric values can be adopted for different linearized weighing values to balance the objects to be washed in the washing machine, when the objects to be washed in the washing machine are more, namely the linearized weighing value is larger than the maximum weighing value, the objects to be washed can be leveled by adopting the first eccentric value, when the objects to be washed in the washing machine are less, namely the linearized weighing value is smaller than the minimum weighing value, the objects to be washed can be leveled by adopting the second eccentric value, the objects to be washed can be further leveled effectively, the phenomenon that the washing machine collides a cylinder when in operation is avoided, and in the second case, the second condition that the linearized weighing value is smaller than the minimum weighing value can reduce the leveling time.
In another embodiment of the present application, the second control unit includes a detection module and a fourth control module, the detection module is configured to detect whether the current eccentric value of the washing machine is smaller than a corresponding eccentric value limit value, the eccentric value and the weighing value are in a linear relationship, and when the weighing value does not change, the eccentric value is preliminarily amplified for control; the fourth control module is used for controlling the washing machine to increase the speed for dewatering under the condition that the current eccentricity value is smaller than the corresponding eccentricity value limit value. In the embodiment, under the condition that the current eccentric value is smaller than the corresponding eccentric value limit value, the representation that the object to be washed is leveled is carried out, so that the washing machine is controlled to accelerate for dehydration, and the better working efficiency of the washing machine can be further ensured.
The eccentricity value may be a rate of change of the rotation speed of the washing machine increasing-speed dewatering drum, a rate of change of time for maintaining increasing-speed dewatering, a rate of change of acceleration during dewatering operation of the drum, or other eccentricity values, and those skilled in the art can select an appropriate eccentricity value according to actual conditions.
In another embodiment of the present application, the apparatus further includes an executing unit, and the executing unit is configured to, when the current eccentricity value is greater than or equal to the corresponding eccentricity value limit value, sequentially and repeatedly execute the acquiring step, the linearizing step, the determining step, the first controlling step, and the second controlling step at least once until the current eccentricity value is smaller than the corresponding eccentricity value limit value. In this embodiment, when the current value is greater than or equal to the corresponding eccentricity value, it is characterized that the laundry is not leveled, and the above steps may be repeated at least once, further ensuring that the laundry in the washing machine can be effectively leveled.
The present application also provides a laundry system comprising any one of the above-described laundry machines, one or more processors, memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing any one of the above-described methods.
In the system, due to the washing machine and the mode, the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value can be accurately determined by performing linearization processing on the weighing value, so that the object to be washed in the washing machine can be effectively leveled by adopting the corresponding accurate eccentric value, and the washing machine is effectively controlled to finish dewatering according to the current eccentric value of the object to be washed. Moreover, the system can acquire an accurate weighing value of a weighing sensor of the washing machine, can more accurately determine a corresponding eccentric value according to the weighing value, and can subsequently efficiently control the balance of the to-be-washed objects and the dehydration rotating speed of the washing machine according to the eccentric value, so that the working efficiency of the washing machine is improved.
In order to make the technical solutions of the present application more clearly understood by those skilled in the art, the technical solutions and technical effects of the present application will be described below with reference to specific embodiments.
Examples
As shown in fig. 5, first, the program starts running,
an obtaining step of obtaining a weighing value of a weighing sensor of the washing machine;
a linearization processing step, in which linearization processing is carried out on the weighing value to obtain a linearization weighing value;
determining, namely determining the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value;
a first control step, under the condition that the linear weighing value is larger than the maximum weighing value, controlling to level the object to be washed in the washing machine by adopting a first eccentric value; under the condition that the linearized weighing value is smaller than the minimum weighing value, controlling and leveling the to-be-washed object in the washing machine by adopting a second eccentric value; under the condition that the linearized weighing value is less than or equal to the maximum weighing value and greater than or equal to the minimum weighing value, controlling to level the to-be-washed object in the washing machine by adopting a gradually increased eccentric value;
a second control step of detecting whether the current eccentricity value of the washing machine is smaller than the corresponding eccentricity value limit value; controlling the washing machine to increase the speed for dewatering under the condition that the current eccentricity value is smaller than the corresponding eccentricity value limit value;
when the current eccentricity value is larger than or equal to the corresponding eccentricity value limit value, the obtaining step, the linearization processing step, the determining step, the first control step and the second control step are sequentially and repeatedly executed at least once until the current eccentricity value is smaller than the corresponding eccentricity value limit value;
and finishing the operation of the program.
According to the scheme, the weighing value is subjected to linearization processing, the magnitude relation between the linearization weighing value and the maximum weighing value and/or the minimum weighing value can be accurately determined, so that the object to be washed in the washing machine can be leveled efficiently by adopting the corresponding accurate eccentric value, and the washing machine is efficiently controlled to finish dehydration according to the current eccentric value of the object to be washed. In addition, the scheme can obtain an accurate weighing value of a weighing sensor of the washing machine, the corresponding eccentric value can be more accurately determined according to the weighing value, the balance of the to-be-washed object and the dehydration rotating speed of the washing machine can be subsequently and efficiently controlled according to the eccentric value, and the working efficiency of the washing machine is improved.
The control device of the washing machine comprises a processor and a memory, the acquisition unit, the processing unit, the determination unit, the first control unit, the second control unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, the stability of the washing machine is ensured to be good by adjusting the kernel parameters, and an accurate weighing result is obtained.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium having a program stored thereon, the program implementing the control method of the above-described washing machine when being executed by a processor.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes the control method of the washing machine when running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein when the processor executes the program, at least the following steps are realized:
step S101, an obtaining step, namely obtaining a weighing value of a weighing sensor of the washing machine;
step S102, a linearization processing step, in which linearization processing is carried out on the weighing value to obtain a linearization weighing value;
step S103, determining the magnitude relation between the linearized weighting value and the maximum weighting value and/or the minimum weighting value;
step S104, a first control step, according to the size relation, controlling to level the object to be washed in the washing machine by adopting a corresponding eccentric value;
and S105, a second control step, namely controlling the dehydration rotating speed of the washing machine according to the current eccentric value of the washing machine in the process of swinging the laundry.
The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program of initializing at least the following method steps when executed on a data processing device:
step S101, an obtaining step, namely obtaining a weighing value of a weighing sensor of the washing machine;
step S102, a linearization processing step, in which linearization processing is carried out on the weighing value to obtain a linearization weighing value;
step S103, determining the magnitude relation between the linearized weighting value and the maximum weighting value and/or the minimum weighting value;
step S104, a first control step, according to the size relation, controlling to level the object to be washed in the washing machine by adopting a corresponding eccentric value;
and S105, a second control step, namely controlling the dehydration rotating speed of the washing machine according to the current eccentric value of the washing machine in the process of swinging the laundry.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above methods according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) the utility model provides a washing machine, the supporting beam can support washing machine body, washing machine's rocking in the washing process can be effectively reduced, washing machine's stability has been improved, weighing sensor can obtain the weight of the clothing in the washing machine cylinder fast and accurately, and with supporting beam and cylinder lug connection, moreover, the steam generator is simple in structure, the staff's installation of being convenient for, the inside space of washing machine body has been saved, can guarantee that the perpendicular atress of resistance strain gauge is better, produce the measuring error who rocks the arouse when reducing the swing of cylinder atress, this washing machine's stability is better, weighing sensor can obtain the weight of the clothing in the washing machine cylinder accurately, and then when washing machine is unstable, the unsafe problem of weighing result who obtains has been solved.
2) The control method of the washing machine comprises the steps of firstly obtaining a weighing value of a weighing sensor of the washing machine, conducting linearization treatment on the obtained weighing value to obtain a linearized weighing value, then determining the magnitude relation between the linearized weighing value and a maximum weighing value and/or a minimum weighing value, leveling the to-be-washed object in the washing machine by adopting a corresponding eccentric value according to the determined magnitude relation, and then controlling the dewatering rotating speed of the washing machine according to the current eccentric value of the washing machine in the process of leveling the to-be-washed object. In the method, the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value can be accurately determined by performing linearization processing on the weighing value, so that the object to be washed in the washing machine can be leveled efficiently by adopting the corresponding accurate eccentric value, and the washing machine is efficiently controlled to finish dehydration according to the current eccentric value of the object to be washed. In addition, the method can acquire the accurate weighing value of the weighing sensor of the washing machine, can more accurately determine the corresponding eccentric value according to the weighing value, and can subsequently efficiently control the balance of the to-be-washed objects and the dehydration rotating speed of the washing machine according to the eccentric value, thereby improving the working efficiency of the washing machine.
3) The control device of the washing machine comprises an acquisition unit, a processing unit, a determining unit, a first control unit and a second control unit, wherein the acquisition unit acquires a weighing value of a weighing sensor of the washing machine, the processing unit conducts linearization processing on the acquired weighing value to obtain a linearized weighing value, the determining unit determines the magnitude relation between the linearized weighing value and a maximum weighing value and/or a minimum weighing value, the first control unit adopts a corresponding eccentric value to level the object to be washed in the washing machine according to the determined magnitude relation, and the second control unit can control the dewatering rotating speed of the washing machine according to the current eccentric value of the washing machine in the process of leveling the object to be washed. In the device, the weighing value is linearized, so that the relationship between the linearized weighing value and the maximum weighing value and/or the minimum weighing value can be accurately determined, the object to be washed in the washing machine can be leveled efficiently by adopting the corresponding accurate eccentric value, and the washing machine is efficiently controlled to finish dehydration according to the current eccentric value of the object to be washed. In addition, the device can acquire an accurate weighing value of a weighing sensor of the washing machine, can more accurately determine a corresponding eccentric value according to the weighing value, and can subsequently efficiently control the balance of the to-be-washed objects and the dehydration rotating speed of the washing machine according to the eccentric value, so that the working efficiency of the washing machine is improved.
4) The washing system has the washing machine and the method, and can accurately determine the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value by performing linearization processing on the weighing value, so that the object to be washed in the washing machine can be leveled efficiently by adopting the corresponding accurate eccentric value, and the washing machine is further efficiently controlled to finish dewatering according to the current eccentric value of the object to be washed. Moreover, the system can acquire an accurate weighing value of a weighing sensor of the washing machine, can more accurately determine a corresponding eccentric value according to the weighing value, and can subsequently efficiently control the balance of the to-be-washed objects and the dehydration rotating speed of the washing machine according to the eccentric value, so that the working efficiency of the washing machine is improved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (8)

1. A laundry system, comprising: a washing machine, one or more processors, memory, and one or more programs, wherein the washing machine comprises:
a washing machine body;
a supporting cross member installed on an inner surface of a top of the washing machine body;
one end of the weighing sensor is connected with the supporting beam;
the roller is connected with the other end of the weighing sensor;
the strain beam of the weighing sensor is of a double-connection-hole parallel beam structure,
the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including control methods for executing the washing machine, the control methods including:
an obtaining step of obtaining a weighing value of a weighing sensor of the washing machine;
a linearization processing step, which is to carry out linearization processing on the weighing value to obtain a linearization weighing value;
determining, namely determining the magnitude relation between the linearized weighing value and the maximum weighing value and/or the minimum weighing value;
a first control step, controlling to level the object to be washed in the washing machine by adopting a corresponding eccentric value according to the size relation;
and a second control step of controlling the dehydration rotation speed of the washing machine according to the current eccentric value of the washing machine in the process of swinging the laundry.
2. The laundry system of claim 1, wherein the laundry machine further comprises:
the first connecting piece is used for connecting the supporting beam and the weighing sensor;
and the second connecting piece is used for connecting the weighing sensor and the roller.
3. The laundry system of claim 2, wherein the first connector is a bail and the second connector is a hook.
4. A laundry system according to claim 1, wherein the load cell is an S-shaped pressure hook scale.
5. A laundry system according to claim 1, wherein the linearising treatment step comprises:
according to
Figure FDA0003424451910000011
Calculating an actual calibration division value V of the weighing cell, wherein DmaxThe maximum load value of the weighing sensor is obtained; dminThe minimum load value of the weighing sensor is obtained; n ismaxThe maximum division value of the weighing sensor;
acquiring a 75% load value and a 75% division value of the weighing sensor;
calculating a first indicating value corresponding to the weighing sensor corresponding to the 75% load value according to the 75% index value and the 75% load value;
according to the first indicating value, the second indicating value and the 75% division value, adopting a formula
Figure FDA0003424451910000021
Calculating a conversion factor f, wherein K0.75Is the first indication; kminIs the second indicating value which is the minimum load value D of the weighing sensorminCorresponding indication values;
according to the conversion coefficient, the minimum load value, the actual verification division value, the second indication value and DiUsing the formula
Figure FDA0003424451910000022
Calculating an output indication R of the weighing sensori，DiThe current load value of the weighing sensor is obtained;
using a formula
Figure FDA0003424451910000023
Calculating the linearized weighing value, wherein M is the number of the output indicating values of the weighing sensor in a preset time period; m isin{Xi-is the minimum of M said output indications; max { X }iIs the maximum of M of said output indications, XiData output for the load cell.
6. A laundry system according to claim 1, wherein the first control step comprises:
under the condition that the linearized weighing value is larger than the maximum weighing value, controlling to level the object to be washed in the washing machine by adopting a first eccentric value;
under the condition that the linearized weighing value is smaller than the minimum weighing value, controlling to level the object to be washed in the washing machine by adopting a second eccentricity value, wherein the first eccentricity value is smaller than the second eccentricity value;
and under the condition that the linearized weighing value is less than or equal to the maximum weighing value and greater than or equal to the minimum weighing value, controlling to level the to-be-washed objects in the washing machine by adopting gradually increased eccentric values.
7. A laundry system according to claim 1, wherein the second control step comprises:
detecting whether the current eccentricity value of the washing machine is smaller than a corresponding eccentricity value limit value;
and controlling the washing machine to accelerate for dehydration under the condition that the current eccentricity value is smaller than the corresponding eccentricity value limit value.
8. The laundry system according to claim 7, wherein in case the current eccentricity value is greater than or equal to the corresponding eccentricity value limit value, the control method further comprises:
and repeating the acquiring step, the linearization processing step, the determining step, the first control step and the second control step at least once in sequence until the current eccentricity value is smaller than the corresponding eccentricity value limit value.
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CN1207427A (en) * 1998-04-14 1999-02-10 李世维 Drum washer and dryer
FR2898912B1 (en) * 2006-03-27 2008-06-13 Brandt Ind Sas DEVICE FOR MEASURING MASS IN A WASHING MACHINE
BRPI0602958A (en) * 2006-07-05 2008-02-26 Whirlpool Sa circuit for determining weight of a load and washing machine
CN105088679B (en) * 2014-05-16 2017-09-26 无锡小天鹅股份有限公司 Roller washing machine
CN105088654A (en) * 2014-05-16 2015-11-25 无锡小天鹅股份有限公司 Drum washing machine
CN104088115B (en) * 2014-06-23 2016-01-06 惠而浦（中国）股份有限公司 A kind of dewatering of roller washing machine
CN109468800B (en) * 2018-12-11 2022-06-28 佛山市顺德海尔电器有限公司 Dewatering rotating speed control method of washing equipment
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