CN105088649A - Control method and device for washing machine based on turbidity and conductivity detection - Google Patents
Control method and device for washing machine based on turbidity and conductivity detection Download PDFInfo
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- CN105088649A CN105088649A CN201510475491.XA CN201510475491A CN105088649A CN 105088649 A CN105088649 A CN 105088649A CN 201510475491 A CN201510475491 A CN 201510475491A CN 105088649 A CN105088649 A CN 105088649A
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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
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Abstract
The invention discloses a control method and device for a washing machine based on turbidity and conductivity detection. The method comprises the steps that the washing machine is controlled to enter a calibration stage, a turbidity calibration value, a conductivity calibration value and a temperature calibration value which are detected by a first sensor are obtained, and the first sensor is arranged at a water inlet of the washing machine; the washing machine is controlled to enter a pre-washing stage, after washing is carried out for the pre-washing time, a first turbidity value detected by a second sensor is obtained, the put volume of a washing agent, the main washing water inlet volume and the main washing time are determined according to the first turbidity value and the turbidity calibration value, and the second sensor is arranged at a water outlet of the washing machine; the washing machine is controlled to enter a main washing stage; the washing machine is controlled to enter a rinsing stage, and first conductivity and a first temperature value which are detected by the second sensor are obtained; a first result is calculated according to the first conductivity, the conductivity calibration value, the temperature calibration value and the first temperature value, and it is determined to enter a spin-dry stage according to the first result; the washing machine is controlled to enter the spin-drying stage, and washing is ended.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly relate to a kind of control method and device of the washing machine detected based on turbidity and electrical conductivity.
Background technology
Along with improving constantly of living condition, the demand of user to washing machine function also promotes thereupon.Because the degree of fouling of clothing is different, the washing agent required for washes clean, water, time also should be different.Therefore, part washing machine has been provided with the device of automatic detergent adding, can calculate required dosage of scour, and automatically throw according to clothes weight etc.
But, due to factor impacts such as washing agent kind, dosage of scour, wash temperature, water quality, although the clothing washes clean after having washed, a little washing agent may be had and remain, can damage user's skin.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above at least to a certain extent.
For this reason, the present invention needs to provide a kind of control method of the washing machine detected based on turbidity and electrical conductivity, and the method can, while reaching clean clothing effect, avoid user's skin to come to harm.
In addition, the present invention also needs to provide a kind of control device of the washing machine detected based on turbidity and electrical conductivity.
For at least one in solving the problems of the technologies described above, embodiment proposes a kind of control method of the washing machine detected based on turbidity and electrical conductivity according to a first aspect of the present invention, comprise the following steps: S1, control washing machine enter calibration phase, and obtain turbidity calibration value that first sensor detects, electrical conductivity calibration value and temperature calibration value, wherein, described first sensor is arranged on the water inlet of described washing machine; S2, control described washing machine and enter pre-wash stage, after the washing prewashing time, obtain the first turbidity value that the second sensor detects, and according to described first turbidity value and described turbidity calibration value determination washing agent injected volume, mainly wash inflow and mainly wash the time, wherein, described second sensor setting is at the delivery port of described washing machine; S3, control described washing machine and enter and main wash the stage; S4, control described washing machine and enter described rinse stage, and obtain the first electrical conductivity and the first temperature value that described second sensor detects; S5, calculate the first result according to described first electrical conductivity, described electrical conductivity calibration value, described temperature calibration value and described first temperature value, and judge whether to enter the drying stage according to described first result, when described first result is less than or equal to predetermined threshold value, jump to step S6, when described first result is greater than predetermined threshold value, then continue step S4; And S6, the described washing machine of control enter the drying stage, and terminate washing.
The control method of the washing machine detected based on turbidity and electrical conductivity of the embodiment of the present invention, by arranging first sensor and the second sensor detects turbidity and electrical conductivity in washing machine, and according to temperature difference, electrical conductivity is revised, and the clean and washing agent noresidue based on the turbidity detected and electrical conductivity determination clothes washing, reasonably control washing agent injected volume and washing inflow, while reaching clean clothing effect, user's skin is avoided to come to harm.
Second aspect present invention embodiment provides a kind of control device of the washing machine detected based on turbidity and electrical conductivity, comprise: calibration module, calibration phase is entered for controlling washing machine, and obtain turbidity calibration value that first sensor detects, electrical conductivity calibration value and temperature calibration value, wherein, described first sensor is arranged on the water inlet of described washing machine; Prewashing module, pre-wash stage is entered for controlling described washing machine, after the washing prewashing time, obtain the first turbidity value that the second sensor detects, and according to described first turbidity value and described turbidity calibration value determination washing agent injected volume, mainly wash inflow and mainly wash the time, wherein, described second sensor setting is at the delivery port of described washing machine; Main mold cleaning block, enters main wash the stage for controlling described washing machine; Rinsing module, enters described rinse stage for controlling described washing machine, and obtains the first electrical conductivity and first temperature value of described second sensor detection; Computing module, for calculating the first result according to described first electrical conductivity, described electrical conductivity calibration value, described temperature calibration value and described first temperature value, and judge whether to enter the drying stage according to described first result, when described first result is less than or equal to predetermined threshold value, jump to step S6, when described first result is greater than predetermined threshold value, then continue step S4; And drying module, enter the drying stage for controlling described washing machine, and terminate washing.
The control device of the washing machine detected based on turbidity and electrical conductivity of the embodiment of the present invention, by arranging first sensor and the second sensor detects turbidity and electrical conductivity in washing machine, and according to temperature difference, electrical conductivity is revised, and the clean and washing agent noresidue based on the turbidity detected and electrical conductivity determination clothes washing, reasonably control washing agent injected volume and washing inflow, while reaching clean clothing effect, user's skin is avoided to come to harm.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the flow chart of the control method of the washing machine detected based on turbidity and electrical conductivity according to an embodiment of the invention.
Fig. 2 be according to one embodiment of the invention based on turbidity and electrical conductivity detect the structural representation one of control device of washing machine.
Fig. 3 be according to one embodiment of the invention based on turbidity and electrical conductivity detect the structural representation two of control device of washing machine.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
Below with reference to the accompanying drawings control method according to the washing machine detected based on turbidity and electrical conductivity of the embodiment of the present invention and device are described.
Fig. 1 is the flow chart of the control method of the washing machine detected based on turbidity and electrical conductivity according to an embodiment of the invention.
As shown in Figure 1, the control method of the washing machine detected based on turbidity and electrical conductivity comprises the following steps:
S1, control washing machine and enter calibration phase, and obtain turbidity calibration value that first sensor detects, electrical conductivity calibration value and temperature calibration value.
In an embodiment of the present invention, washing machine can be provided with turbidity transducer, conductivity sensor, temperature sensor, and wherein, turbidity transducer and conductivity sensor accessible site are in same chip.In the present embodiment, can be provided with two sensors, wherein, what be arranged on the water inlet of inner core in washing machine is called first sensor, and what be arranged on water outlet is called the second sensor.Because the water quality of different regions, different time may be different, and temperature is different, also can have an impact to electrical conductivity.Therefore, before each washing clothes, can first calibrate turbidity and electrical conductivity.
Particularly, a certain amount of clear water can be introduced into, obtain turbidity calibration value A0, the electrical conductivity calibration value B0 of water by first sensor, obtain temperature calibration value C0 by temperature sensor.
S2, control washing machine and enter pre-wash stage, after the washing prewashing time, obtain that the second sensor detects the first turbidity value, and according to the first turbidity value and turbidity calibration value determination washing agent injected volume, mainly wash inflow and mainly wash the time.
Particularly, washing machine can enter pre-wash stage.After washing prewashing time t0, obtain the first turbidity value A1 by the second sensor.Then using the business of the first turbidity value A1 and turbidity calibration value A0 as the second result, obtain corresponding washing agent injected volume according to the second result, mainly wash inflow and mainly wash the time.Such as: during A1/A0=1, corresponding washing agent injected volume is 15 grams, and master washes inflow 10 liters, and the main time of washing is 10 minutes.Wherein, the second result and washing agent injected volume, mainly wash inflow, mainly wash the corresponding relation of time and obtained by many experiments, be only example herein.
S3, control washing machine enter master and wash the stage.
Particularly, can wash clothing according to the main time of washing.
S4, control washing machine enter rinse stage, and obtain the first electrical conductivity and first temperature value of the second sensor detection.
In an embodiment of the present invention, after end master washes the stage, rinse stage can be entered.First the master that drains washes the sewage during stage, dries, then enters clear water and carry out rinsing, and obtain the first electrical conductivity B1 and the first temperature value C1 by the second sensor to clothing.
S5, calculate the first result according to the first electrical conductivity, electrical conductivity calibration value, temperature calibration value and the first temperature value, and judge whether to enter the drying stage according to the first result, when the first result is less than or equal to predetermined threshold value, jump to step S6, when the first result is greater than predetermined threshold value, then continue step S4.
In an embodiment of the present invention, can judge whether to enter the drying stage according to the first electrical conductivity B1, electrical conductivity calibration value B0, temperature calibration value C0 and the first temperature value C1.
Particularly, the temperature difference Δ C of the first temperature value C1 and temperature calibration value C0 first can be obtained, then according to the corresponding relation determination electrical conductivity correction value X of temperature difference Δ C and electrical conductivity of water.Wherein, the corresponding relation of Δ C and electrical conductivity correction value X, obtains the temperature difference can set up and the mapping table of electrical conductivity of water from experimentally data in advance.
After acquisition electrical conductivity correction value X, electrical conductivity correction value X and the first electrical conductivity can be added B1, then deduct electrical conductivity calibration value B0, to obtain the first result.When the first result is less than or equal to predetermined threshold value L, clothing rinsed clean is described and washing agent noresidue, then can enters the drying stage.When the first result is greater than predetermined threshold value L, illustrates that washing agent also has residual, then continue rinse stage.
In addition, when the first result is greater than predetermined threshold value L, if the rinsing times of washing machine reaches default rinsing times, then the drying stage is directly entered.
S6, control washing machine enter the drying stage, and terminate washing.
The control method of the washing machine detected based on turbidity and electrical conductivity of the embodiment of the present invention, by arranging first sensor and the second sensor detects turbidity and electrical conductivity in washing machine, and according to temperature difference, electrical conductivity is revised, and the clean and washing agent noresidue based on the turbidity detected and electrical conductivity determination clothes washing, reasonably control washing agent injected volume and washing inflow, while reaching clean clothing effect, user's skin is avoided to come to harm.
For achieving the above object, the present invention also proposes a kind of control device of the washing machine detected based on turbidity and electrical conductivity.
Fig. 2 is the structural representation one of the control device of the washing machine detected based on turbidity and electrical conductivity according to an embodiment of the invention.
As shown in Figure 2, the control device of the washing machine detected based on turbidity and electrical conductivity comprises: calibration module 110, prewashing module 120, main mold cleaning block 130, rinsing module 140, computing module 150 and dry module 160.
Wherein, calibration module 110 enters calibration phase for controlling washing machine, and obtains turbidity calibration value that first sensor detects, electrical conductivity calibration value and temperature calibration value.
In an embodiment of the present invention, washing machine can be provided with turbidity transducer, conductivity sensor, temperature sensor, and wherein, turbidity transducer and conductivity sensor accessible site are in same chip.In the present embodiment, can be provided with two sensors, wherein, what be arranged on the water inlet of inner core in washing machine is called first sensor, and what be arranged on water outlet is called the second sensor.Because the water quality of different regions, different time may be different, and temperature is different, also can have an impact to electrical conductivity.Therefore, before each washing clothes, can first calibrate turbidity and electrical conductivity.
Particularly, can be introduced into a certain amount of clear water, calibration module 110 obtains turbidity calibration value A0, the electrical conductivity calibration value B0 of water by first sensor, obtains temperature calibration value C0 by temperature sensor.
Prewashing module 120 enters pre-wash stage for controlling washing machine, after the washing prewashing time, obtains the first turbidity value that the second sensor detects, and according to the first turbidity value and turbidity calibration value determination washing agent injected volume, mainly wash inflow and mainly wash the time.
Particularly, prewashing module 120 can control washing machine and enter pre-wash stage.After washing prewashing time t0, obtain the first turbidity value A1 by the second sensor.Then using the business of the first turbidity value A1 and turbidity calibration value A0 as the second result, obtain corresponding washing agent injected volume according to the second result, mainly wash inflow and mainly wash the time.Such as: during A1/A0=1, corresponding washing agent injected volume is 15 grams, and master washes inflow 10 liters, and the main time of washing is 10 minutes.Wherein, the second result and washing agent injected volume, mainly wash inflow, mainly wash the corresponding relation of time and obtained by many experiments, be only example herein.
Main mold cleaning block 130 enters main wash the stage for controlling washing machine.
Particularly, main mold cleaning block 130 can wash clothing according to the main time of washing.
Rinsing module 140 enters rinse stage for controlling washing machine, and obtains the first electrical conductivity and first temperature value of the second sensor detection.
In an embodiment of the present invention, after end master washes the stage, rinsing module 140 can control washing machine and enter rinse stage.First the master that drains washes the sewage during stage, dries, then enters clear water and carry out rinsing, and obtain the first electrical conductivity B1 and the first temperature value C1 by the second sensor to clothing.
Computing module 150 for calculating the first result according to the first electrical conductivity, electrical conductivity calibration value, temperature calibration value and the first temperature value, and judges whether to enter the drying stage according to the first result.
In an embodiment of the present invention, computing module 150 can judge whether to enter the drying stage according to the first electrical conductivity B1, electrical conductivity calibration value B0, temperature calibration value C0 and the first temperature value C1.
Particularly, the temperature difference Δ C of the first temperature value C1 and temperature calibration value C0 first can be obtained, then according to the corresponding relation determination electrical conductivity correction value X of temperature difference Δ C and electrical conductivity of water.Wherein, the corresponding relation of Δ C and electrical conductivity correction value X, obtains the temperature difference can set up and the mapping table of electrical conductivity of water from experimentally data in advance.
After acquisition electrical conductivity correction value X, electrical conductivity correction value X and the first electrical conductivity can be added B1, then deduct electrical conductivity calibration value B0, to obtain the first result.When the first result is less than or equal to predetermined threshold value L, clothing rinsed clean is described and washing agent noresidue, then can enters the drying stage.When the first result is greater than predetermined threshold value L, illustrates that washing agent also has residual, then continue rinse stage.
Dry module 160 and enter the drying stage for controlling washing machine, and terminate washing.
In addition, when the first result is greater than predetermined threshold value L, if the rinsing times of washing machine reaches default rinsing times, then drying module 160 controls washing machine and directly enters the drying stage.
In an embodiment of the present invention, as shown in Figure 3, the control device of the washing machine detected based on turbidity and electrical conductivity of the embodiment of the present invention, also can comprise and set up module 170.
Set up module 170 for before computing module 150 is according to the corresponding relation determination electrical conductivity correction value of temperature difference and electrical conductivity of water, obtain experimental data, and experimentally data set up the mapping table of temperature difference and electrical conductivity of water.
The control device of the washing machine detected based on turbidity and electrical conductivity of the embodiment of the present invention, by arranging first sensor and the second sensor detects turbidity and electrical conductivity in washing machine, and according to temperature difference, electrical conductivity is revised, and the clean and washing agent noresidue based on the turbidity detected and electrical conductivity determination clothes washing, reasonably control washing agent injected volume and washing inflow, while reaching clean clothing effect, user's skin is avoided to come to harm.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a control method for the washing machine detected based on turbidity and electrical conductivity, is characterized in that, comprise the following steps:
S1, control washing machine and enter calibration phase, and obtain turbidity calibration value that first sensor detects, electrical conductivity calibration value and temperature calibration value, wherein, described first sensor is arranged on the water inlet of described washing machine;
S2, control described washing machine and enter pre-wash stage, after the washing prewashing time, obtain the first turbidity value that the second sensor detects, and according to described first turbidity value and described turbidity calibration value determination washing agent injected volume, mainly wash inflow and mainly wash the time, wherein, described second sensor setting is at the delivery port of described washing machine;
S3, control described washing machine and enter and main wash the stage;
S4, control described washing machine and enter described rinse stage, and obtain the first electrical conductivity and the first temperature value that described second sensor detects;
S5, calculate the first result according to described first electrical conductivity, described electrical conductivity calibration value, described temperature calibration value and described first temperature value, and judge whether to enter the drying stage according to described first result, when described first result is less than or equal to predetermined threshold value, jump to step S6, when described first result is greater than predetermined threshold value, then continue step S4; And
S6, control described washing machine and enter the drying stage, and terminate washing.
2. the method for claim 1, is characterized in that, described step S2, comprising:
Using the business of described first turbidity value and described turbidity calibration value as the second result, and determine described washing agent injected volume according to described second result, described master washes inflow and described master washes the time.
3. the method for claim 1, is characterized in that, described step S5, also comprises:
When described first result is greater than described predetermined threshold value, if the rinsing times of described washing machine reaches default rinsing times, then jump to step S6.
4. the method for claim 1, is characterized in that, described step S5, comprising:
Obtain the temperature difference of described first temperature value and described temperature calibration value;
Corresponding relation according to described temperature difference and described electrical conductivity of water determines described electrical conductivity correction value; And
Described electrical conductivity correction value and described first electrical conductivity are added, deduct described electrical conductivity calibration value, to obtain described first result.
5. method as claimed in claim 4, is characterized in that, before the described corresponding relation according to described temperature difference and described electrical conductivity of water determines described electrical conductivity correction value, also comprises:
Obtain experimental data, and set up the mapping table of described temperature difference and described electrical conductivity of water according to described experimental data.
6. a control device for the washing machine detected based on turbidity and electrical conductivity, is characterized in that, comprising:
Calibration module, enters calibration phase for controlling washing machine, and obtains turbidity calibration value that first sensor detects, electrical conductivity calibration value and temperature calibration value, and wherein, described first sensor is arranged on the water inlet of described washing machine;
Prewashing module, pre-wash stage is entered for controlling described washing machine, after the washing prewashing time, obtain the first turbidity value that the second sensor detects, and according to described first turbidity value and described turbidity calibration value determination washing agent injected volume, mainly wash inflow and mainly wash the time, wherein, described second sensor setting is at the delivery port of described washing machine;
Main mold cleaning block, enters main wash the stage for controlling described washing machine;
Rinsing module, enters described rinse stage for controlling described washing machine, and obtains the first electrical conductivity and first temperature value of described second sensor detection;
Computing module, for calculating the first result according to described first electrical conductivity, described electrical conductivity calibration value, described temperature calibration value and described first temperature value, and judge whether to enter the drying stage according to described first result, when described first result is less than or equal to predetermined threshold value, jump to step S6, when described first result is greater than predetermined threshold value, then continue step S4; And
Drying module, entering the drying stage for controlling described washing machine, and terminate washing.
7. device as claimed in claim 6, is characterized in that, described prewashing module, specifically for:
Using the business of described first turbidity value and described turbidity calibration value as the second result, and determine described washing agent injected volume according to described second result, described master washes inflow and described master washes the time.
8. device as claimed in claim 6, is characterized in that, described drying module, also for:
When described first result is greater than described predetermined threshold value, if the rinsing times of described washing machine reaches default rinsing times, then control described washing machine and enter the drying stage.
9. device as claimed in claim 6, is characterized in that, described computing module, specifically for:
Obtain the temperature difference of described first temperature value and described temperature calibration value, and determine described electrical conductivity correction value according to the corresponding relation of described temperature difference and described electrical conductivity of water, and described electrical conductivity correction value and described first electrical conductivity are added, deduct described electrical conductivity calibration value, to obtain described first result.
10. device as claimed in claim 9, it is characterized in that, described device, also comprises:
Set up module, before determining described electrical conductivity correction value at the described corresponding relation according to described temperature difference and described electrical conductivity of water, obtain experimental data, and set up the mapping table of described temperature difference and described electrical conductivity of water according to described experimental data.
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| CN107083638A (en) * | 2017-04-11 | 2017-08-22 | 金寨硕研机电科技有限公司 | A kind of washing machine of intelligence washing |
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| CN108950979A (en) * | 2017-05-22 | 2018-12-07 | 青岛海尔洗衣机有限公司 | The control method and washing machine of washing machine |
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