CN105177923B - Control method, device and the washing machine of washing machine - Google Patents
Control method, device and the washing machine of washing machine Download PDFInfo
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- CN105177923B CN105177923B CN201510557422.3A CN201510557422A CN105177923B CN 105177923 B CN105177923 B CN 105177923B CN 201510557422 A CN201510557422 A CN 201510557422A CN 105177923 B CN105177923 B CN 105177923B
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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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- D06F2202/02—
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- D06F2202/12—
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- D06F2204/10—
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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
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
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- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a kind of control method of washing machine, device and washing machine, wherein, after this method is included in user's input sign on, control washing machine enters the prewashing stage, and obtains turbidity and electrical conductivity calibration value；At the end of the prewashing stage, the turbidity of current liquid in turbidity and conductivity sensor detection inner cylinder is controlled；Turbidity changing value is obtained according to the turbidity and turbidity calibration value, and washing parameter is determined according to turbidity changing value；Washing machine is controlled to enter the washing stage according to washing parameter；When the washing stage terminates and enters rinse stage, the electrical conductivity of current liquid in the sensor detection inner cylinder is controlled after rinsing every time；Conductivity variations value is relatively obtained according to electrical conductivity and electrical conductivity calibration value, and obtains the ratio between the changing value and electrical conductivity criterion value, and judges whether the ratio is less than or equal to predetermined threshold value；If so, then exit rinse stage.This method can decrease or even eliminate the residual of detergent on clothing.
Description
Technical field
The present invention relates to washing machine field, the more particularly to a kind of control method of washing machine, device and washing machine.
Background technology
With the raising of living condition, the demand of user function also improves constantly, and washing machine is to full intelligence
Stride forward.At present, traditional washing machine is generally provided with fixed rinsing and washing times, or by detecting the turbidity of laundry water
Value judges wash time and rinsing times, if for example, detecting that the turbidity value of laundry water is higher, then washing machine will
The washing of long period and the rinsing of more number are carried out to clothing.
But there are the problem of be, since the degree of fouling of clothing is different, the required detergent of washes clean clothing,
Water, time also should not be the same, for example the down jackets in winter will be than T-shirt required washing when washing in summer
Time is long, detergent amount is big, also, due to factors such as the detergent species of user's input, dispensing dosage, wash temperature, water quality
Influence, if only can not judge detergent on clothing either with or without rinsed clean by detecting the turbidity of laundry water, than
After being dissolved in water such as many alkaline detergents, turbidity is just very low, so occurs that the spot inside the clothing that washing is completed can
It can clean, but fraction of detergent residual, this fraction of detergent, it is possible to can be to user may be also had in clothing
Skin damages, and causes user experience to be deteriorated.
The content of the invention
It is contemplated that one of above-mentioned technical problem is solved at least to a certain extent.
For this reason, an object of the present invention is to provide a kind of control method of washing machine, this method being capable of complete monitoring
Laundry, according to the clean level of clothing, reasonably selects detergent, the dosage and wash time of water, and reaching clean clothing
While, the residual for even completely eliminating detergent on clothing can be reduced, the detergent for avoiding not being completely eliminated is to user's skin
The damage of skin, improves user experience.
Second object of the present invention is to propose a kind of control device of washing machine.
Third object of the present invention is to propose a kind of washing machine.
In order to achieve the above object, the embodiment of first aspect present invention proposes a kind of control method of washing machine, it is described to wash
Clothing machine includes inner cylinder, detergent storage box, detergent throwing device and turbidity and conductivity sensor, wherein the method bag
Include：S1, after sign on input by user is received, controls the washing machine to enter the prewashing stage, and obtain turbidity school
Quasi- value A0 and electrical conductivity calibration value B0；S2, at the end of the prewashing stage, controls the turbidity and conductivity sensor to detect
The turbidity A1 of current liquid in the inner cylinder；S3, turbidity changing value is obtained according to the turbidity A1 and turbidity calibration value A0,
And washing parameter is determined according to the turbidity changing value, wherein, the washing parameter includes detergent injected volume M2, slurry
Measure L2, wash time T2；S4, controls the washing machine to enter the washing stage according to the washing parameter；S5, when the washing rank
When section terminates and enters rinse stage, the turbidity and conductivity sensor is controlled to detect the inner cylinder after rinsing every time
The electrical conductivity B1 of interior current liquid；S6, conductivity variations value is obtained according to the electrical conductivity B1 and electrical conductivity calibration value B0,
And the electrical conductivity ratio between conductivity variations value and electrical conductivity the criterion value is obtained, and judge the electrical conductivity ratio
Whether predetermined threshold value is less than or equal to；S7, if the electrical conductivity ratio is less than or equal to the predetermined threshold value, exits rinsing
Stage.
The control method of washing machine according to embodiments of the present invention, after sign on input by user is received, is introduced into
In the prewashing stage, after intaking to prewashing inflow L1 in the prewashing stage, can control and work as in turbidity and conductivity sensor detection inner cylinder
The turbidity and electrical conductivity of the sample of preceding liquid, and sample turbidity and sample electrical conductivity are calibrated as turbidity calibration value and electrical conductivity
Value, after the prewashing stage, can control the turbidity of current liquid in turbidity and conductivity sensor detection inner cylinder, and pass through
Turbidity is compared with turbidity calibration value, determines washing parameter, wherein washing parameter includes detergent injected volume, slurry
Amount, wash time etc., washing machine can enter the washing stage according to washing parameter afterwards, and after the washing stage, enter
Rinse stage, then obtains the electrical conductivity of current liquid in inner cylinder, according to the electrical conductivity and electrical conductivity school every time after rinsing
Quasi- value obtains conductivity variations value, and obtains the ratio between conductivity variations value and electrical conductivity criterion value, and compares
The relation of the ratio and predetermined threshold value, proves do not have spot and detergent in clothing if less than or equal to predetermined threshold value
Residual, so as to exit rinse stage.Can complete monitoring laundry, and according to the clean level of clothing, rational selection washing
Agent, the dosage and wash time of water, and while clean clothing is reached, can reduce and even completely eliminate detergent on clothing
Residual, damage of the detergent for avoiding not being completely eliminated to user's skin, improves user experience.
According to one embodiment of present invention, the control method further includes：S8, if the electrical conductivity ratio is more than institute
Predetermined threshold value is stated, then obtains current rinsing times, and judges whether the current rinsing times reach preset times；S9, if
The current rinsing times reach the preset times, then exit the rinse stage；S10, if the current rinsing times
Not up to described preset times, then enter and rinse next time, and returns to the step S5.
According to one embodiment of present invention, control the washing machine to enter the prewashing stage, and obtain turbidity calibration value A0
With electrical conductivity calibration value B0, specifically include：Prewashing parameter is obtained, wherein, the prewashing parameter is including prewashing water consumption L1 and in advance
Wash time T0；The prewashing water consumption L1 is put into the inner cylinder；Control described in turbidity and the conductivity sensor detection
The sample turbidity and sample electrical conductivity of current liquid in inner cylinder, and using the sample turbidity and the sample electrical conductivity as
Turbidity calibration value A0 and electrical conductivity the calibration value B0；The inner cylinder is controlled to carry out prewashing time T0 described in prewashing.Thus, pass through
After the stage of prewashing each time water inlet to L1 water levels, turbidity and conductivity sensor is controlled to examine current liquid in inner cylinder
Survey, and using the turbidity detected and conductivity value as turbidity and electrical conductivity calibration value, washing machine can be caused every
When once carrying out clothes washing, what turbidity value and conductivity value were compared with turbidity calibration value and electrical conductivity calibration value
When, avoid because different time, different places water quality difference the error brought so that washing machine can be exactly
Judge clothing spot and detergent residual whether rinsed clean so that the spot and detergent zero on clothing remain, carry
User experience is risen.
According to one embodiment of present invention, turbidity change is obtained according to the turbidity A1 and turbidity calibration value A0
Value, specifically includes：Obtain the turbidity difference between the turbidity A1 and the turbidity calibration value A0；Obtain the turbidity difference with
Turbidity ratio between turbidity criterion value, and using the turbidity ratio as the turbidity changing value.
According to one embodiment of present invention, control the washing machine to enter the washing stage according to the washing parameter, have
Body includes：The slurry amount L2 is put into the inner cylinder；The detergent throwing device is controlled to be stored up from the detergent
Deposit and the detergent injected volume M2 is extracted in box, so that the detergent injected volume M2 is thrown to by the detergent throwing device
The inner cylinder；The inner cylinder is controlled to carry out washing the wash time T2.
According to one embodiment of present invention, the predetermined threshold value is 1.
In order to achieve the above object, the embodiment of second aspect of the present invention proposes a kind of control device of washing machine, it is described to wash
Clothing machine includes inner cylinder, detergent storage box, detergent throwing device and turbidity and conductivity sensor, wherein described device bag
Include：First control module, for after sign on input by user is received, controlling the washing machine to enter prewashing rank
Section, and obtain turbidity calibration value A0 and electrical conductivity calibration value B0；Second control module, at the end of the prewashing stage,
The turbidity and conductivity sensor is controlled to detect the turbidity A1 of current liquid in the inner cylinder；First acquisition module, for root
Turbidity changing value is obtained according to the turbidity A1 and turbidity calibration value A0, and washing ginseng is determined according to the turbidity changing value
Number, wherein, the washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2；The first control mould
Block is additionally operable to control the washing machine to enter the washing stage according to the washing parameter；Second control module is additionally operable in institute
When stating the washing stage and terminating and enter rinse stage, the turbidity and conductivity sensor is controlled to detect after rinsing every time
The electrical conductivity B1 of current liquid in the inner cylinder；Second acquisition module, for according to the electrical conductivity B1 and the electrical conductivity school
Quasi- value B0 obtains conductivity variations value, and obtains the Conductivity Ratio between conductivity variations value and electrical conductivity the criterion value
Value；First judgment module, for judging whether the electrical conductivity ratio is less than or equal to predetermined threshold value；First control module
It is additionally operable to when first judgment module judges that the electrical conductivity ratio is less than or equal to the predetermined threshold value, exits rinsing rank
Section.
Controller of washer according to embodiments of the present invention, can receive user by the first control module in washing machine
Enter the prewashing stage after the sign on of input, and obtain turbidity calibration value and electrical conductivity calibration value, after prewashing, the second control
Molding block controls the turbidity of current liquid in turbidity and conductivity sensor detection inner cylinder, the first acquisition module by above-mentioned turbidity and
Turbidity calibration value, which compares, obtains corresponding turbidity changing value, determines washing parameter, and wherein washing parameter is launched including detergent
Amount, slurry amount, wash time etc., the first control module control washing machine to enter the washing stage, are washing according to washing parameter
After washing the stage, during into rinse stage, the second control module controls turbidity and conductivity sensors after each rinsing
The electrical conductivity of current liquid, the second acquisition module obtain electrical conductivity according to the electrical conductivity and electrical conductivity calibration value in device detection inner cylinder
Changing value, and obtain the difference of the changing value and electrical conductivity standard value, the first judgment module judges the difference and default threshold
The relation of value, proves to remain without spot and detergent in clothing, the first control if less than or equal to predetermined threshold value
Module control washing machine enters rinse stage, so as to terminate program, i.e., the control device of the washing machine can complete monitoring do washing,
And according to the clean level of clothing, detergent, the dosage and wash time of water are reasonably selected, and reaching the same of clean clothing
When, the residual for even completely eliminating detergent on clothing can be reduced, the detergent for avoiding not being completely eliminated is to user's skin
Damage, lifts user experience.
According to one embodiment of present invention, the control device further includes：3rd acquisition module, for described first
When judgment module judges that the electrical conductivity ratio is more than the predetermined threshold value, current rinsing times are obtained；Second judgment module, is used
In judging whether the current rinsing times reach preset times；First control module is additionally operable to judge mould described second
When block judges that the current rinsing times reach the preset times, the rinse stage is exited, and judge described second
When module judges that the current rinsing times are not up to the preset times, into rinsing next time.It is thus achieved that clothing
Intelligence washing, can not only cause the clothing of non-wash clean to obtain the rinsing of finite number of time so as to rinsed clean, but also avoid
Washing machine rinsing time is long and causes the waste to resources such as water power, improves the laundry experience of user.
According to one embodiment of present invention, first control module is specifically used for：Prewashing parameter is obtained, wherein, institute
Stating prewashing parameter includes prewashing water consumption L1 and prewashing time T0；The prewashing water consumption L1 is put into the inner cylinder；Control
The turbidity and conductivity sensor detect the sample turbidity and sample electrical conductivity of current liquid in the inner cylinder, and by the sample
This turbidity and the sample electrical conductivity are respectively as the turbidity calibration value A0 and electrical conductivity calibration value B0；Control the inner cylinder into
Prewashing time T0 described in row prewashing.Thus, by after the stage of prewashing each time water inlet to L1 water levels, controlling turbidity and electrical conductivity
Sensor is detected current liquid in inner cylinder, and using the turbidity detected and conductivity value as turbidity and conductance
Rate calibration value, can cause washing machine when clothes washing is carried out each time, by turbidity value and conductivity value and turbidity
When calibration value compares with electrical conductivity calibration value, avoid because different time, different places water quality difference bring
Error so that washing machine can judge exactly clothing spot and detergent residual whether rinsed clean so that
Spot and detergent zero on clothing remain, and improve user experience.
According to one embodiment of present invention, first acquisition module is specifically used for：Obtain the turbidity A1 and described
Turbidity difference between turbidity calibration value A0；The turbidity ratio between the turbidity difference and turbidity criterion value is obtained, and
Using the turbidity ratio as the turbidity changing value.
According to one embodiment of present invention, first control module is specifically used for：It is put into the inner cylinder described
Slurry amount L2；The detergent throwing device is controlled to extract the detergent injected volume from the detergent storage box
M2, so that the detergent injected volume M2 is thrown to the inner cylinder by the detergent throwing device；The inner cylinder is controlled to carry out
Washing, the wash time T2.
According to one embodiment of present invention, the predetermined threshold value is 1.
In order to achieve the above object, the washing machine of third aspect present invention embodiment, including：Inner cylinder；Detergent storage box, is used for
Store detergent；The detergent throwing device being connected with the detergent storage box, for by the detergent storage box
Detergent is thrown to the inner cylinder；The turbidity and conductivity sensor being arranged in the washing machine on drainpipe, for detecting
The turbidity and electrical conductivity of the interior liquid within the cartridge；And the control device described in second aspect of the present invention embodiment, wherein, it is described
Control device is connected with the detergent throwing device and the turbidity and conductivity sensor respectively.
Washing machine according to embodiments of the present invention, use is being received by the first control module in control device in washing machine
Enter the prewashing stage after the sign on of family input, and obtain turbidity calibration value and electrical conductivity calibration value, after prewashing, second
Control module controls the turbidity of current liquid in turbidity and conductivity sensor detection inner cylinder, and the first acquisition module is by above-mentioned turbidity
Compare with turbidity calibration value and obtain corresponding turbidity changing value, determine washing parameter, wherein washing parameter is thrown including detergent
High-volume, slurry amount, wash time etc., the first control module control washing machine to enter the washing stage according to washing parameter,
After washing stage, during into rinse stage, the second control module controls turbidity and electrical conductivity to pass after each rinsing
The electrical conductivity of current liquid, the second acquisition module obtain conductance according to the electrical conductivity and electrical conductivity calibration value in sensor detection inner cylinder
The changing value of rate, and the ratio of the changing value and electrical conductivity standard value is obtained, the first judgment module judges the ratio with presetting
The relation of threshold value, proves to remain without spot and detergent in clothing, the first control mould if less than or equal to threshold value
Block control washing machine enters rinse stage, so as to terminate program, i.e., the control device of the washing machine can complete monitoring do washing, and
According to the clean level of clothing, detergent, the dosage and wash time of water are reasonably selected, and reaching the same of clean clothing
When, the residual for even completely eliminating detergent on clothing can be reduced, the detergent for avoiding not being completely eliminated is to user's skin
Damage, improves user experience.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow chart of the control method of washing machine according to an embodiment of the invention；
Fig. 2 is the flow chart of the control method of the washing machine of a specific embodiment according to the present invention；
Fig. 3 is the structure diagram of the control device of washing machine according to an embodiment of the invention；
Fig. 4 is the structure diagram of the control device of washing machine in accordance with another embodiment of the present invention；And
Fig. 5 is the structure diagram of washing machine according to an embodiment of the invention.
Reference numeral：
100：Inner cylinder；200：Detergent storage box；300：Detergent throwing device；400：Turbidity and conductivity sensor；
500：Control device；510：First control module；520：Second control module；530：First acquisition module；540：Second obtains
Module；550：First judgment module；560：3rd acquisition module；570：Second judgment module.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings control method, device and the washing machine of the washing machine of the embodiment of the present invention are described.
Fig. 1 is the flow chart of the control method of washing machine according to an embodiment of the invention, it is necessary to explanation, this hair
The washing machine of bright embodiment may include inner cylinder, detergent storage box, detergent throwing device and turbidity and conductivity sensor.
Wherein it is possible to understand, the turbidity and conductivity sensor can be an integrated sensor, can test working as inner tank of washing machine
The turbidity and electrical conductivity of preceding liquid.So because, what drainpipe in washing machine was connected to inner cylinder, fluid communication, turbidity and
Conductivity sensor is installed on drainpipe and be in drain valve front end, thus turbidity and conductivity sensor can detect it is interior
Liquid in cylinder, and when can guarantee that inner cylinder has liquid, liquid can cover the detection surface of turbidity and conductivity sensor.
As shown in Figure 1, the control method of the washing machine of the embodiment of the present invention, can include：
S1, after sign on input by user is received, control washing machine enters the prewashing stage, and obtains turbidity school
Quasi- value A0 and electrical conductivity calibration value B0.
Specifically, washing machine enters the prewashing stage specifically including obtaining prewashing parameter, wherein, the prewashing parameter bag
Include prewashing water consumption L1 and prewashing time T0, it will be understood that above-mentioned prewashing parameter (such as prewashing water consumption L1, prewashing time T0)
It is the empirical value drawn beforehand through many experiments.That is, when getting above-mentioned prewashing parameter, such as prewashing water consumption
L1, prewashing time T0 etc., can enter the prewashing stage according to the prewashing state modulator washing machine afterwards, i.e., be put into inner tank of washing machine
Enter prewashing water consumption L1, and control inner cylinder carries out prewashing to clothing, the prewashing time is T0.
Wherein, after prewashing water consumption L1 is put into inner tank of washing machine, can control in turbidity and conductivity sensor detection
The sample turbidity and sample electrical conductivity of current liquid in cylinder, and using sample turbidity and sample electrical conductivity as turbidity calibration value
A0 and electrical conductivity calibration value B0, this can cause washing machine when clothes washing is carried out each time, by turbidity value and electricity
When conductance is compared with turbidity calibration value and electrical conductivity calibration value, avoid because of different time, different places water quality not
The error brought together, and using the turbidity for the current liquid being put into before cleaning solution washs and electrical conductivity as calibration value, make
Washing machine can more accurately judge clothing spot and detergent residual whether rinsed clean so that on clothing
Spot and detergent zero remain, and improve user experience.
S2, at the end of the prewashing stage, controls the turbidity A1 of current liquid in turbidity and conductivity sensor detection inner cylinder.
S3, turbidity changing value is obtained according to turbidity A1 and turbidity calibration value A0, and determines washing ginseng according to turbidity changing value
Number, wherein, washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2.
Specifically, the specific implementation process for turbidity changing value being obtained according to turbidity A1 and turbidity calibration value A0 can be as follows：
Obtain the turbidity difference between turbidity A1 and turbidity calibration value A0；Turbidity is obtained according to turbidity difference and turbidity criterion value to become
Change value.Washing parameter can be determined according to the turbidity changing value afterwards.Wherein, turbidity criterion value is to test number according to laboratory
According to gained, and different water turbidity criterion values also can be different, and occurrence can be obtained according to a large amount of test datas.
Further, in one embodiment of the invention, turbidity changing value and washing parameter are stored with washing machine
The table of comparisons, such as, in parameter lookup table, turbidity changing value codomain is divided into tetra- codomain scopes of A, B, C, D, each codomain model
Enclose and both correspond to respective washing parameter.A scopes are washed corresponding to small, if turbidity changing value belongs to A codomains, then detergent is thrown
High-volume M2, slurry amount L2, wash time T2 parameter value will be relatively minimal；If turbidity changing value belongs to B codomains, that
Detergent injected volume M2, slurry amount L2, wash time T2 parameter value will be relatively larger；If turbidity changing value
Belong to C codomains, then detergent injected volume M2, slurry amount L2, wash time T2 parameter value will be relatively large；If
Turbidity changing value belongs to D codomains, then detergent injected volume M2, slurry amount L2, wash time T2 parameter value will phase
To maximum.It should be noted that in the table of comparisons turbidity changing value obtain codomain scope and each codomain to washing parameter
All drawn according to substantial amounts of experiment, meanwhile, these empirical values also need to consider clothes weight, water, turbidity etc.
Factor so that washing machine is in the concrete condition for carrying out that clothing can be met when washing parameter judgement.
For example, if the changing value of turbidity is big, illustrate user be put into washing machine clothing it is messy, then washing
Agent injected volume M2 and wash time T2 will be small compared to turbidity changing value case values it is big.That is, the clothing of user's washing
Thing is dirtier, it is more, it is necessary to detergent it is more, wash time is longer.
S4, controls washing machine to enter the washing stage according to washing parameter.
Specifically, according to washing parameter M2, L2, T2 washing machine can be controlled to enter the washing stage, you can be joined according to washing
Injected volume, wash time and the slurry amount of detergent, wash clothing when number is to determine main washed, i.e., inwardly
After being put into slurry amount L2 in cylinder, control detergent throwing device extracts detergent injected volume M2 from detergent storage box,
So that detergent is thrown to inner tank of washing machine by detergent throwing device with the injected volume of M2, control inner cylinder to carry out the time afterwards to be
The master of T2 washes.Wherein, main wash refers to that washing machine carries out clothing the washing again after prewashing.Main wash is that washing machine utilization is washed
The process that clothing is washed in agent is washed, it is the process for promoting the spot on clothing to be washed agent dissolving.
S5, when the washing stage terminates and enters rinse stage, controls turbidity and conductivity sensors after rinsing every time
The electrical conductivity B1 of current liquid in device detection inner cylinder.
Specifically, turbidity and conductivity sensor may be provided at washing machine sewer pipe, after each rinsing, laundry
When the rinsing liquid of machine discharge passes through drainpipe, controllable turbidity and conductivity sensor are detected the liquid flowed through, to obtain
Obtain the electrical conductivity B1 of current rinsing liquid.
S6, conductivity variations value is obtained according to electrical conductivity B1 and electrical conductivity calibration value B0, and obtain conductivity variations value with
Electrical conductivity ratio between electrical conductivity criterion value, and judge whether the electrical conductivity ratio is less than or equal to predetermined threshold value.
Wherein, in an embodiment of the present invention, predetermined threshold value 1.In addition, electrical conductivity criterion value is according to laboratory
Obtained by test data, and different water electric conductivity criterion values also can be different, and occurrence can be according to a large amount of test datas
Obtain.
Specifically, B1 values and electrical conductivity calibration value B0 can be subjected to mathematic interpolation, that is, obtains the value of △ B1=B1-B0,
Then △ B1 and electrical conductivity criterion value Δ B0 are subjected to ratio calculation, obtain the ratio of Δ B1/ Δs B0, this can be compared afterwards
Value carries out size comparison with predetermined threshold value.
S7, if electrical conductivity ratio is less than or equal to the predetermined threshold value, exits rinse stage.
That is, if the ratio of Δ B1/ Δs B0 is less than or equal to predetermined threshold value, then it is believed that in washings
Residual through no spot and detergent, and then prove in clothing without spot and the residual of liquid detergent, thus exit drift
Wash the stage, terminate program.
Further, in one embodiment of the invention, the control method of the washing machine may also include：If above-mentioned ratio
Value is more than predetermined threshold value, then obtains current rinsing times, and judge whether current rinsing times reach preset times；It is if current
Rinsing times reach preset times, then exit rinse stage；If current rinsing times are not up to preset times, into next
Secondary rinsing, and return to above-mentioned steps S5.
Specifically, if the number rinsed at this time has reached the preset times of setting, then washing machine just exits rinsing
Stage, wherein rinsing times are generally 3-4 times.That is, washing machine cannot it is unconfined rinsing go down, this be in order to avoid
Because some special situations and caused by washing machine Infinite Cyclic rinsing, avoid the waste of the resources such as water power.
It is appreciated that if the number rinsed at this time is not reaching to preset times, then washing machine then enters next time
Rinsing, returns and performs above-mentioned steps S5, continue cycling through, until above-mentioned ratio is less than or equal to predetermined threshold value or rinsing times reach
Untill preset times.
In order to enable those skilled in the art is more apparent from the present invention, can illustrate below.
For example, as shown in Fig. 2, washing machine operational process is as follows：Washing machine is receiving user to washing machine input
Sign on when, washing machine starts to start, and washing machine enters the prewashing stage, specifically first obtain prewashing parameter, that is, include
Prewashing water consumption L1, prewashing time T0, enter the prewashing stage, i.e., to inner tank of washing machine according to prewashing state modulator washing machine afterwards
Prewashing water consumption is inside put into, prewashing is intake to the water level of L1, is controlled and is worked as in turbidity and conductivity sensor detection inner tank of washing machine
The turbidity and electrical conductivity of preceding liquid, and using the turbidity value measured and conductivity value as turbidity calibration value A0 and electrical conductivity school
Quasi- value B0, washing machine then start to carry out clothing the prewashing (S210) that the time is T0, and prewashing controls turbidity and electrical conductivity later
Sensor detects the turbidity value A1 of inner tank of washing machine current liquid, obtains the turbidity between turbidity value A1 and turbidity calibration value A0
Difference, obtains turbidity changing value according to turbidity difference and turbidity criterion value, can determine to wash according to the turbidity changing value afterwards
Parameter is washed, washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2 (S220), and washing machine leads at this time
Cross detergent embarking device to extract from detergent storage box in detergent amount M2 input inner cylinders, and intake and arrive L2 water
Position, washs clothing, wash time is T2 (S230).Lead after washing into (i.e. after time T2), washing machine is to clothing
Draining, drying are carried out, then, washing machine enters rinse stage (S240).Every time after rinsing, turbidity and electrical conductivity is controlled to pass
Sensor is detected the current liquid in inner tank of washing machine, to obtain the electrical conductivity B1 of current liquid, then according to electrical conductivity
B1 and electrical conductivity calibration value B0 obtains the value of the changing value, i.e. △ B1=B1-B0 of electrical conductivity, and obtains conductivity variations value and electricity
The value of ratio between conductance criterion, i.e. Δ B1/ Δs B0, and judge the ratio and 1 relation, if ratio be less than or
Equal to 1, show without spot and the residual of detergent in washings, and then prove in clothing without detergent and dirt
The residual of stain, thus the rinsing to clothing is completed, draining, drying are carried out to clothing, terminates program.If the ratio is more than 1,
Current rinsing times are obtained, and judge whether rinsing times reach preset times, if reaching preset times, then washing machine
Current rinse stage is exited, if being not reaching to default number, then washing machine carries out clothing draining, drying, under
Rinsing once, continues cycling through, untill the ratio is less than or equal to 1 or rinsing times reach preset times (S250).
In the control method of the washing machine of the embodiment of the present invention, after sign on input by user is received, it is introduced into pre-
The stage is washed, after intaking to L1 in the prewashing stage, can control the sample of turbidity and conductivity sensor detection inner cylinder current liquid
Turbidity and electrical conductivity, and using sample turbidity and sample electrical conductivity as turbidity calibration value and electrical conductivity calibration value, when the prewashing stage
After, the turbidity of turbidity and conductivity sensor detection inner cylinder current liquid is can control, and by by turbidity and turbidity school
Quasi- value compares, and determines washing parameter, and wherein washing parameter includes detergent injected volume, slurry amount, wash time etc., it
Washing machine can enter the washing stage according to washing parameter afterwards, and after the washing stage, into rinse stage, then every time
The electrical conductivity of current liquid in inner cylinder is obtained after rinsing, conductivity variations are obtained according to the electrical conductivity and electrical conductivity calibration value
Value, and obtains the ratio between conductivity variations value and electrical conductivity criterion value, and compares the ratio and predetermined threshold value
Relation, proves to remain without spot and detergent in clothing, so as to exit rinse stage if less than or equal to threshold value.
Can complete monitoring laundry, and according to the clean level of clothing, reasonably select detergent, the dosage and wash time of water,
And while clean clothing is reached, the residual for even completely eliminating detergent on clothing can be reduced, avoid not being completely eliminated
Damage of the detergent to user's skin, improve user experience.
In order to realize above-described embodiment, the invention also provides a kind of control device of washing machine, Fig. 3 is according to the present invention
The structure diagram of the control device of the washing machine of one embodiment.It should be noted that the washing machine of the embodiment of the present invention can wrap
Include inner cylinder, detergent storage box, detergent throwing device and turbidity and conductivity sensor.Wherein, the turbidity and electrical conductivity
Sensor may be disposed at drainpipe in washing machine and be on drain valve front end.
As shown in figure 3, the control device of the washing machine can include the first control module 510, the second control module 520,
First acquisition module 530, the second acquisition module 540 and the first judgment module 550.
Specifically, the first control module 510 be used for after sign on input by user is received, control washing machine into
Enter the prewashing stage, and obtain turbidity calibration value A0 and electrical conductivity calibration value B0.Wherein, the input instruction of user can be that user beats
Washing machine is driven, when the clothing that will be cleaned is put into the inner cylinder of washing machine and presses the start button of washing machine, washing machine is connect
Received operation.
Specifically, in an embodiment of the present invention, the first control module 510 can first obtain prewashing parameter, wherein, prewashing
Parameter includes prewashing water consumption L1, prewashing time T0, prewashing water consumption L1 can be put into inner cylinder afterwards, when water level reaches L1
Afterwards, it can control the sample turbidity and sample electrical conductivity of current liquid in turbidity and conductivity sensor detection inner cylinder, and by sample
Turbidity and sample electrical conductivity control inner cylinder to carry out clothing pre- afterwards respectively as turbidity calibration value A0 and electrical conductivity calibration value B0
Wash, the prewashing time is T0.
Second control module 520 was used at the end of the prewashing stage, controlled in turbidity and conductivity sensor detection inner cylinder
The turbidity A1 of current liquid.
First acquisition module 530 is used to obtain turbidity changing value according to turbidity A1 and turbidity calibration value A0, and according to turbidity
Changing value determines washing parameter, wherein, washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2.
Specifically, the first acquisition module 530 can first obtain the turbidity difference between turbidity A1 and turbidity calibration value A0, i.e.,
The value of Δ A1=A1-A0, then according to ratio, that is, Δ A1/ Δs between turbidity difference, that is, Δ A1 and turbidity criterion value Δ A0
The value of A0, afterwards according to the ratio, determines washing parameter.Wherein, turbidity criterion value is according to laboratory test data institute
, and different water turbidity criterion values also can be different, and occurrence can be obtained according to a large amount of test datas.
More specifically, the table of comparisons of turbidity changing value and washing parameter is stored with washing machine, such as, in parameter lookup table
In, turbidity changing value codomain is divided into tetra- codomain scopes of A, B, C, D, and each codomain scope both corresponds to respective washing ginseng
Number.A scopes are washed corresponding to small, if turbidity changing value belongs to A codomains, then detergent injected volume M2, slurry amount L2, wash
The parameter value for washing time T2 will be relatively minimal；If turbidity changing value belongs to B codomains, then detergent injected volume M2, washing
Water consumption L2, wash time T2 parameter value will be relatively larger；If turbidity changing value belongs to C codomains, then detergent
Injected volume M2, slurry amount L2, wash time T2 parameter value will be relatively large；If turbidity changing value belongs to D codomains,
So detergent injected volume M2, slurry amount L2, wash time T2 parameter value will relative maximum.It should be noted that
In the table of comparisons turbidity changing value obtain codomain scope and each codomain to washing parameter be according to largely testing
Go out, meanwhile, these empirical values also need to consider the factors such as clothes weight, water, turbidity so that washing machine is carrying out
Washing parameter can meet the concrete condition of clothing when judgement.
In an embodiment of the present invention, the first control module 510 is additionally operable to be entered according to washing parameter control washing machine and washes
Wash the stage, that is, control and slurry amount L2 is put into the inner cylinder of washing machine；Detergent throwing device is controlled to be stored from detergent
Detergent injected volume M2 is extracted in box, so that detergent injected volume M2 is thrown to inner cylinder by detergent throwing device；First control
Module 510 controls inner cylinder to carry out the washing that wash time is T2 to clothing.
In an embodiment of the present invention, the second control module 520 is additionally operable to terminate and enter rinse stage in the washing stage
When, control turbidity and conductivity sensor to detect the electrical conductivity B1 of current liquid in inner cylinder after rinsing every time.
Second acquisition module 540 is used to obtain conductivity variations value, i.e. Δ according to electrical conductivity B1 and electrical conductivity calibration value B0
The value of B1=B1-B0, and obtain the ratio between conductivity variations value Δ B1 and electrical conductivity criterion value Δ B0.It is in addition, electric
Conductance criterion value is according to obtained by laboratory test data, and different water electric conductivity criterion values can not yet
Together, occurrence can be obtained according to a large amount of test datas.
For example, turbidity is controlled to be detected with conductivity sensor after each rinsing in the second control module 520
After the electrical conductivity B1 of inner cylinder current liquid, the second acquisition module 520 can be by the electrical conductivity B1 of acquisition and electrical conductivity calibration value B0
Mathematic interpolation is carried out to obtain conductivity variations value, and is obtained between conductivity variations value and electrical conductivity criterion value Δ B0
Ratio.
First judgment module 550 is used to judge whether electrical conductivity ratio is less than or equal to predetermined threshold value.Wherein, above-mentioned ratio
Refer to the ratio between conductivity variations value and electrical conductivity criterion value.In addition, above-mentioned predetermined threshold value can be 1.
In an embodiment of the present invention, the first control module 510 is additionally operable to judge that ratio is less than in the first judgment module 550
Or during equal to predetermined threshold value, exit rinse stage.
That is, if the ratio of Δ B1/ Δs B0 is less than or equal to predetermined threshold value, then the first control module 510
It is believed that without spot and the residual of detergent in washings, and then prove in clothing without spot and liquid detergent
Residual, thus rinse stage is exited, terminate program.
Controller of washer according to embodiments of the present invention, can receive user by the first control module in washing machine
Enter the prewashing stage after the sign on of input, and obtain turbidity calibration value and electrical conductivity calibration value, after prewashing, the second control
Molding block controls the turbidity of current liquid in turbidity and conductivity sensor detection inner cylinder, the first acquisition module by above-mentioned turbidity and
Turbidity calibration value, which compares, obtains corresponding turbidity changing value, determines washing parameter, and wherein washing parameter is launched including detergent
Amount, slurry amount, wash time etc., the first control module control washing machine to enter the washing stage, are washing according to washing parameter
After washing the stage, during into rinse stage, the second control module controls turbidity and conductivity sensors after each rinsing
The electrical conductivity of current liquid, the second acquisition module obtain electrical conductivity according to the electrical conductivity and electrical conductivity calibration value in device detection inner cylinder
Changing value, and obtain the ratio of the changing value and electrical conductivity standard value, the first judgment module judges the ratio and default threshold
The relation of value, proves to remain without spot and detergent in clothing, the first control module if less than or equal to threshold value
Control washing machine enters rinse stage, so as to terminate program, i.e., the control device of the washing machine can complete monitoring do washing, and root
According to the clean level of clothing, detergent, the dosage and wash time of water are reasonably selected, and while clean clothing is reached,
The residual for even completely eliminating detergent on clothing can be reduced, avoids the damage of the detergent that is not completely eliminated to user's skin
Wound, lifts user experience.
Further, in one embodiment of the invention, as shown in figure 4, the control device of the washing machine further includes
Three acquisition modules 560 and the second judgment module 570.
Specifically, the 3rd acquisition module 560 is used for when the first judgment module 550 judges that ratio is more than predetermined threshold value, obtains
Take current rinsing times.
For example, user is when with washing of drum type washing machine clothing, if the first judgment module 550 is by judging that electrical conductivity becomes
Ratio between change value and electrical conductivity criterion value Δ B0 show that the ratio is more than predetermined threshold value, then the 3rd acquisition module
560 can obtain the number that clothing currently rinses at this time, and rinsing times here are the rinsing times completed.
Second judgment module 570 is used to judge whether current rinsing times reach preset times.
In an embodiment of the present invention, the first control module 510 can also be used to judge currently to float in the second judgment module 570
When washing number and reaching preset times, control washing machine exits rinse stage, and judges currently to rinse in the second judgment module 570
When number is not up to preset times, control washing machine enters rinsing next time.
As can be seen that by judgement of second judgment module to rinsing times, that is, meet " do not wash clean once, it is just more
Wash several times " tradition laundry thought, as far as possible ensure clothing can washes clean, turn avoid washing of drum type washing machine time mistake
It is long, or because some special circumstances (for example user's washing is rag cannot reuse, very dirty)
Caused by washing machine enter unlimited endless loop state.
Thus, the number currently rinsed of washing machine undergarment is obtained by the 3rd acquisition module, and is sentenced by second
Disconnected module judges whether current rinsing times reach preset times, terminates the rinsing of clothing or makes clothing into drift next time
Wash, realize the intelligence washing of clothing, can not only cause the clothing of non-wash clean to obtain the rinsing of finite number of time so as to rinse
Totally, and also avoid washing machine rinsing time it is long and caused by waste to resources such as water power, improve washing for user
Clothes body is tested.
In order to realize above-described embodiment, the invention also provides a kind of washing machine.
Fig. 5 is the structure diagram of washing machine according to an embodiment of the invention.As shown in figure 5, the washing machine bag
Include inner cylinder 100, detergent storage box 200, detergent throwing device 300, turbidity and conductivity sensor 400 and washing machine
Control device 500 (not marked in Fig. 5) composition.Wherein, detergent throwing device 300 is connected with detergent storage box 200.
Specifically, detergent storage box 200 can be used for storing detergent.
In one embodiment of the invention, detergent storage box 200 can be placed on the differences such as the back of washing machine, inside
Position, an opening opened easy to user can be set, user can by the convenient deposit detergent of this opening, for
Used during washing of drum type washing machine clothing, meanwhile, washing machine can also be directed to detergent the storage box 200 and set alarm, when user exists
, will alarm user addition if detecting that remaining detergent is inadequate in detergent storage box 200 when laundry takes
Detergent, when user adds detergent, equally can prompt whether detergent is filled it up with using alarm.
Detergent throwing device 300 can be used for the inner cylinder that the detergent in detergent storage box 200 is thrown to washing machine
In 100.
Turbidity and conductivity sensor 400 are arranged at the drainpipe of washing machine and are on the position of drain valve front end, can
For detecting the turbidity and electrical conductivity of liquid in inner cylinder 100.Wherein, turbidity refers to the dirty degree of washings, such as, it is big absolutely
After most spots is dissolved in water, the very high liquid of turbidity can be formed, some fabric softeners be dissolved in after water can also be formed it is muddy
The very high liquid of turbidity, turbidity value can judge clothing either with or without the important references index cleaned up as washing machine.
Likewise, electrical conductivity refers to the concentration of washings intermediate ion, electrical conductivity and turbidity are all used for the dirt for judging clothing
Stain and detergent are either with or without rinsed clean.
The control device 500 of washing machine respectively with 400 phase of detergent throwing device 300 and turbidity and conductivity sensor
Even.The concrete function description of control device 500 can refer to the function description of the control device shown in above-mentioned Fig. 3 to Fig. 4, herein not
Repeat again.
Washing machine according to embodiments of the present invention, use is being received by the first control module in control device in washing machine
Enter the prewashing stage after the sign on of family input, and obtain turbidity calibration value and electrical conductivity calibration value, after prewashing, second
Control module controls the turbidity of current liquid in turbidity and conductivity sensor detection inner cylinder, and the first acquisition module is by above-mentioned turbidity
Compare with turbidity calibration value and obtain corresponding turbidity changing value, determine washing parameter, wherein washing parameter is thrown including detergent
High-volume, slurry amount, wash time etc., the first control module control washing machine to enter the washing stage according to washing parameter,
After washing stage, during into rinse stage, the second control module controls turbidity and electrical conductivity to pass after each rinsing
The electrical conductivity of current liquid, the second acquisition module obtain conductance according to the electrical conductivity and electrical conductivity calibration value in sensor detection inner cylinder
The changing value of rate, and the ratio of the changing value and electrical conductivity standard value is obtained, the first judgment module judges the ratio with presetting
The relation of threshold value, proves to remain without spot and detergent in clothing, the first control mould if less than or equal to threshold value
Block control washing machine enters rinse stage, so as to terminate program, i.e., the control device of the washing machine can complete monitoring do washing, and
According to the clean level of clothing, detergent, the dosage and wash time of water are reasonably selected, and reaching the same of clean clothing
When, the residual for even completely eliminating detergent on clothing can be reduced, the detergent for avoiding not being completely eliminated is to user's skin
Damage, lifts user experience.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be based on orientation shown in the drawings or
Position relationship, is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, " multiple " are meant that at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
Combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this area
Art personnel can be tied the different embodiments or example described in this specification and different embodiments or exemplary feature
Close and combine.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (13)
1. a kind of control method of washing machine, it is characterised in that the washing machine includes inner cylinder, detergent storage box, detergent
Delivery device and turbidity and conductivity sensor, the described method includes：
S1, after sign on input by user is received, controls the washing machine to enter the prewashing stage, and obtain turbidity school
Quasi- value A0 and electrical conductivity calibration value B0；
S2, at the end of the prewashing stage, controls the turbidity and conductivity sensor to detect current liquid in the inner cylinder
Turbidity A1；
S3, turbidity changing value is obtained according to the turbidity A1 and turbidity calibration value A0, and true according to the turbidity changing value
Determine washing parameter, wherein, the washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2；
S4, controls the washing machine to enter the washing stage according to the washing parameter；
S5, when the washing stage terminates and enters rinse stage, controls the turbidity and electrical conductivity after rinsing every time
Sensor detects the electrical conductivity B1 of current liquid in the inner cylinder；
S6, conductivity variations value is obtained according to the electrical conductivity B1 and electrical conductivity calibration value B0, and obtains the electrical conductivity
Electrical conductivity ratio between changing value and electrical conductivity criterion value, and it is pre- to judge whether the electrical conductivity ratio is less than or equal to
If threshold value；
S7, if the electrical conductivity ratio is less than or equal to the predetermined threshold value, exits rinse stage.
2. the control method of washing machine as claimed in claim 1, it is characterised in that further include：
S8, if the electrical conductivity ratio is more than the predetermined threshold value, obtains current rinsing times, and judges the current drift
Wash whether number reaches preset times；
S9, if the current rinsing times reach the preset times, exits the rinse stage；
S10, if the current rinsing times are not up to the preset times, enter and rinses next time, and return to the step
Rapid S5.
3. the control method of washing machine as claimed in claim 1 or 2, it is characterised in that control the washing machine to enter prewashing
Stage, and turbidity calibration value A0 and electrical conductivity calibration value B0 are obtained, specifically include：
Prewashing parameter is obtained, wherein, the prewashing parameter includes prewashing water consumption L1 and prewashing time T0；
The prewashing water consumption L1 is put into the inner cylinder；
The turbidity and conductivity sensor is controlled to detect the sample turbidity and sample electrical conductivity of current liquid in the inner cylinder, and
Using the sample turbidity and the sample electrical conductivity as the turbidity calibration value A0 and electrical conductivity calibration value B0；
The inner cylinder is controlled to carry out prewashing time T0 described in prewashing.
4. the control method of washing machine as claimed in claim 1, it is characterised in that according to the turbidity A1 and the turbidity school
Quasi- value A0 obtains turbidity changing value, specifically includes：
Obtain the turbidity difference between the turbidity A1 and the turbidity calibration value A0；
The turbidity ratio between the turbidity difference and turbidity criterion value is obtained, and using the turbidity ratio as described turbid
Spend changing value.
5. the control method of washing machine as claimed in claim 1, it is characterised in that washed according to washing parameter control
Clothing machine enters the washing stage, specifically includes：
The slurry amount L2 is put into the inner cylinder；
The detergent throwing device is controlled to extract the detergent injected volume M2 from the detergent storage box, so that described
The detergent injected volume M2 is thrown to the inner cylinder by detergent throwing device；
The inner cylinder is controlled to carry out washing the wash time T2.
6. the control method of washing machine as claimed in claim 1 or 2, it is characterised in that wherein, the predetermined threshold value is 1.
7. a kind of control device of washing machine, it is characterised in that the washing machine includes inner cylinder, detergent storage box, detergent
Delivery device and turbidity and conductivity sensor, described device include：
First control module, for after sign on input by user is received, controlling the washing machine to enter prewashing rank
Section, and obtain turbidity calibration value A0 and electrical conductivity calibration value B0；
Second control module, at the end of the prewashing stage, controlling described in turbidity and the conductivity sensor detection
The turbidity A1 of current liquid in inner cylinder；
First acquisition module, for obtaining turbidity changing value according to the turbidity A1 and turbidity calibration value A0, and according to institute
State turbidity changing value and determine washing parameter, wherein, the washing parameter includes detergent injected volume M2, slurry amount L2, washes
Wash time T2；
First control module is additionally operable to control the washing machine to enter the washing stage according to the washing parameter；
When second control module is additionally operable to terminate in the washing stage and enters rinse stage, every time after rinsing
The turbidity and conductivity sensor is controlled to detect the electrical conductivity B1 of current liquid in the inner cylinder；
Second acquisition module, for obtaining conductivity variations value according to the electrical conductivity B1 and electrical conductivity calibration value B0, and
Obtain the electrical conductivity ratio between conductivity variations value and electrical conductivity the criterion value；
First judgment module, for judging whether the electrical conductivity ratio is less than or equal to predetermined threshold value；
First control module is additionally operable to judge the electrical conductivity ratio less than or equal to described in first judgment module
During predetermined threshold value, rinse stage is exited.
8. the control device of washing machine as claimed in claim 7, it is characterised in that further include：
3rd acquisition module, for when first judgment module judges that the electrical conductivity ratio is more than the predetermined threshold value,
Obtain current rinsing times；
Second judgment module, for judging whether the current rinsing times reach preset times；
First control module is additionally operable to judge that the current rinsing times reach described default in second judgment module
During number, the rinse stage is exited, and judge that the current rinsing times are not up to described in second judgment module
During preset times, into rinsing next time.
9. the control device of washing machine as claimed in claim 7 or 8, it is characterised in that first control module is specifically used
In：
Prewashing parameter is obtained, wherein, the prewashing parameter includes prewashing water consumption L1 and prewashing time T0；
The prewashing water consumption L1 is put into the inner cylinder；
The turbidity and conductivity sensor is controlled to detect the sample turbidity and sample electrical conductivity of current liquid in the inner cylinder, and
Using the sample turbidity and the sample electrical conductivity as the turbidity calibration value A0 and electrical conductivity calibration value B0；
The inner cylinder is controlled to carry out prewashing time T0 described in prewashing.
10. the control device of washing machine as claimed in claim 7, it is characterised in that first acquisition module is specifically used for：
Obtain the turbidity difference between the turbidity A1 and the turbidity calibration value A0；
The turbidity ratio between the turbidity difference and turbidity criterion value is obtained, and using the turbidity ratio as described turbid
Spend changing value.
11. the control device of washing machine as claimed in claim 7, it is characterised in that first control module is specifically used for：
The slurry amount L2 is put into the inner cylinder；
The detergent throwing device is controlled to extract the detergent injected volume M2 from the detergent storage box, so that described
The detergent injected volume M2 is thrown to the inner cylinder by detergent throwing device；
The inner cylinder is controlled to carry out washing the wash time T2.
12. the control device of the washing machine as described in right wants 7 or 8, it is characterised in that wherein, the predetermined threshold value is 1.
A kind of 13. washing machine, it is characterised in that including：
Inner cylinder；
Detergent storage box, for storing detergent；
The detergent throwing device being connected with the detergent storage box, for the detergent in the detergent storage box to be thrown
Put to the inner cylinder；
The turbidity and conductivity sensor being arranged in the washing machine on drainpipe, for detecting the turbid of the interior liquid within the cartridge
Degree and electrical conductivity；And
Such as the control device any one of claim 7-12, wherein, the control device is thrown with the detergent respectively
Put device and the turbidity is connected with conductivity sensor.
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| US20220162790A1 (en) * | 2019-02-27 | 2022-05-26 | Electrolux Appliances Aktiebolag | A method for washing laundry in a laundry washing machine and laundry washing machine implementing the method |
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| CN104141211A (en) * | 2013-05-06 | 2014-11-12 | 海尔集团公司 | Clothes-washing control method and washing machine adopting same |
| CN104233700A (en) * | 2013-06-09 | 2014-12-24 | 海尔集团公司 | Washing machine control method and washing machine |
| CN104358068A (en) * | 2014-09-30 | 2015-02-18 | 海信容声(广东)冰箱有限公司 | Clothes washing method for controlling turbidity degree and washing machine |
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| WO2020173560A1 (en) * | 2019-02-27 | 2020-09-03 | Electrolux Appliances Aktiebolag | A method for washing laundry in a laundry washing machine and laundry washing machine implementig the method |
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Effective date of registration: 20190812 Address after: 214028 No. 18 Changjiang South Road, Wuxi National High-tech Development Zone, Jiangsu Province Patentee after: Wuxi Swan Electrical Appliances Co., Ltd. Address before: 214028 Wuxi Changjiang Road, Wuxi New District, Jiangsu, No. 18 Patentee before: Wuxi Xiaotianer Co., Ltd. |