CN105200715B - 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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- CN105200715B CN105200715B CN201510556761.XA CN201510556761A CN105200715B CN 105200715 B CN105200715 B CN 105200715B CN 201510556761 A CN201510556761 A CN 201510556761A CN 105200715 B CN105200715 B CN 105200715B
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- turbidity
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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 machines, wherein after this method is included in reception sign on input by user, control washing machine enters the prewashing stage；At the end of the prewashing stage, the first turbidity of current liquid in turbidity and conductivity sensor detection inner cylinder is controlled；Turbidity changing value is obtained according to the first turbidity and pre-stored turbidity calibration value, and washing parameter is determined according to the changing value；Washing machine, which is controlled, according to washing parameter enters the washing stage；When the washing stage terminates and enters rinse stage, the first conductivity of current liquid in the sensor detection inner cylinder is controlled after rinsing every time；Conductivity variations value relatively is obtained according to the first conductivity and pre-stored conductivity calibration value, and obtains the difference between the changing value and conductivity criterion value, and judges whether difference is less than or equal to predetermined threshold value；If then exiting 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 technology field, 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
It strides forward.Currently, traditional washing machine is generally provided with fixed rinsing and washing times, or the turbidity by detecting laundry water
Value judges wash time and rinsing times, for example, if detecting that the turbidity value of laundry water is relatively high, washing machine will
The washing of long period and the rinsing of more number are carried out to clothing.
But the problem is that, 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 required washing when washing than the T-shirt in summer
Time is long, detergent amount is big, also, due to factors such as the detergent type of user's input, dispensing dosage, wash temperature, water quality
Influence, if only can not judge the 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, for turbidity with regard to very low, the spot that will appear in this way inside the clothing that washing is completed can
It can clean, but may also have fraction of detergent residual, this fraction of detergent, it is possible to can be to user in clothing
Skin damages, and user experience is caused to be deteriorated.
Invention content
The purpose of the present invention is intended to solve above-mentioned one of technical problem at least to a certain extent.
For this purpose, first purpose of the present invention is to propose that a kind of control method of washing machine, this method whole can be supervised
Control laundry reasonably selects the dosage and wash time of detergent, water according to the clean level of clothing, and is reaching clean clothing
While object, the residual for even completely eliminating detergent on clothing can be reduced, avoids the detergent not completely eliminated to user
The damage of skin, the user experience is improved.
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 method of washing machine control, it is described to wash
Clothing machine includes inner cylinder, detergent storage box, detergent throwing device and turbidity and conductivity sensor, wherein the method packet
It includes：S1 controls the washing machine and enters the prewashing stage after receiving sign on input by user；S2, when the prewashing
At the end of stage, controls the turbidity and conductivity sensor detects the first turbidity A1 of current liquid in the inner cylinder；S3, root
Turbidity changing value is obtained according to the first turbidity A1 and pre-stored turbidity calibration value A0, and is determined according to the turbidity changing value
Washing parameter, wherein the washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2；S4, according to
The washing parameter controls the washing machine and enters the washing stage；S5, when the washing stage terminates and enters rinse stage
When, the turbidity is controlled after rinsing and conductivity sensor detects the first conductivity of current liquid in the inner cylinder every time
B1；S6 is compared relatively to obtain conductivity variations value according to the first conductivity B1 with pre-stored conductivity calibration value, and is obtained
The difference between the conductivity variations value and conductivity criterion value is taken, and it is pre- to judge whether the difference is less than or equal to
If threshold value；S6 exits rinse stage if the difference is less than or equal to the predetermined threshold value.
The control method of washing machine according to the ... of the embodiment of the present invention is introduced into pre- after receiving sign on input by user
Wash the stage, after prewashing, turbidity and conductivity sensor can control to detect inner cylinder the first turbidity of current liquid, and pass through by
First turbidity compares with pre-stored turbidity calibration value, determines that washing parameter, wherein washing parameter include detergent injected volume, wash
Water consumption, wash time etc. are washed, washing machine can enter the washing stage according to washing parameter later, and terminate in the washing stage
Afterwards, into rinse stage, the first conductivity of current liquid in inner cylinder is then obtained after rinsing every time, according to first electricity
Conductance and pre-stored conductivity calibration value obtain conductivity variations value, and obtain conductivity variations value and conductivity criterion
Difference between value, and compare the relationship of the difference and predetermined threshold value, it is proved in clothing if it is less than or equal to threshold value
It is remained through no spot and detergent, to exit rinse stage.Can complete monitoring laundry, and according to the clean journey of clothing
Degree reasonably selects the dosage and wash time of detergent, water, and while reaching clean clothing, can reduce even complete
The residual except detergent on clothing is totally disappeared, the detergent not completely eliminated is avoided to improve user's body to the damage of user's skin
It tests.
According to one embodiment of present invention, the control method further includes：If the difference is more than the default threshold
Value, then obtain current rinsing times, and judge whether the current rinsing times reach preset times；If the current rinsing
Number reaches the preset times, then exits the rinse stage；If the current rinsing times are not up to described default time
Number then enters and rinses next time, and returns to the step S5.
According to one embodiment of present invention, it controls the washing machine and enters the prewashing stage, specifically include：Obtain prewashing ginseng
Number, wherein the prewashing parameter includes prewashing water consumption L1, prewashing time T0, prewashing detergent injected volume M1；To the inner cylinder
Inside it is put into the prewashing water consumption L1；It controls the detergent throwing device and extracts the prewashing from the detergent storage box
Detergent injected volume M1, so that the prewashing detergent injected volume M1 is thrown to the inner cylinder by the detergent throwing device；
It controls the inner cylinder and carries out prewashing time T0 described in prewashing.
According to one embodiment of present invention, it is obtained according to the first turbidity A1 and pre-stored turbidity calibration value A0 turbid
Changing value is spent, is specifically included：Obtain the turbidity difference between the first turbidity A1 and pre-stored turbidity calibration value A0；According to
The turbidity difference and turbidity criterion value obtain turbidity changing value.According to one embodiment of present invention, rinsing is being exited
After stage, and before being drained, drying to the inner cylinder, the method further includes：It controls the turbidity and conductivity passes
Sensor detects the second turbidity and the second conductivity of the inner cylinder current liquid respectively；Respectively by second turbidity and the second electricity
Conductance is respectively as the pre-stored turbidity calibration value A0 and the pre-stored conductivity calibration value and is stored.By
This, by after clothing each time completes rinsing, being calibrated to the turbidity value and conductivity standard value that prestore, can to wash
Clothing machine when carrying out clothes washing each time, by the first turbidity value and the first conductivity and turbidity calibration value and conductivity
When calibration value compares, error smaller, so that washing machine can accurately judge that the spot of clothing and detergent are residual
Stay whether rinsed clean so that spot on clothing and detergent zero remain, the user experience is improved degree.
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 packet
It includes：First control module enters prewashing rank for after receiving sign on input by user, controlling the washing machine
Section；Second control module, it is described interior at the end of the prewashing stage, controlling the turbidity and conductivity sensor detection
First turbidity A1 of current liquid in cylinder；First acquisition module, for according to the first turbidity A1 and pre-stored turbidity school
Quasi- value A0 obtains turbidity changing value, and determines washing parameter according to the turbidity changing value, wherein the washing parameter includes washing
Wash agent injected volume M2, slurry amount L2, wash time T2；First control module is additionally operable to according to the washing parameter control
It makes the washing machine and enters the washing stage；Second control module is additionally operable to terminate in the washing stage and enters rinsing
When the stage, the turbidity is controlled after rinsing every time and conductivity sensor detects the first electricity of current liquid in the inner cylinder
Conductance B1；Second acquisition module, for obtaining conductivity according to the first conductivity B1 and pre-stored conductivity calibration value
Changing value, and obtain the difference between the conductivity variations value and conductivity criterion value；First judgment module, for sentencing
Whether the difference of breaking is less than or equal to predetermined threshold value；First control module is additionally operable to judge in first judgment module
When the difference is less than or equal to the predetermined threshold value, rinse stage is exited.
Controller of washer according to the ... of the embodiment 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, after prewashing, the second control module controls turbidity and conductivity sensor inspection
Inner cylinder the first turbidity of current liquid is surveyed, the first turbidity is compared acquisition accordingly by the first acquisition module with pre-stored turbidity calibration value
Turbidity changing value, determine washing parameter, wherein washing parameter includes detergent injected volume, slurry amount, wash time etc.,
First control module controls washing machine according to washing parameter and enters the washing stage, after the washing stage, into rinse stage
When, the second control module control turbidity and conductivity sensor after each rinsing detect first of current liquid in inner cylinder
Conductivity, the second acquisition module obtain the changing value of conductivity according to the first conductivity and the conductivity calibration value of pre-access, and
And the difference of the changing value and pre-stored conductivity standard value is obtained, the first judgment module judges the difference and predetermined threshold value
Relationship proves to remain without spot and detergent in clothing, the control of the first control module if it is less than or equal to threshold value
Washing machine exits rinse stage, to terminate program, i.e., the control device of the washing machine can complete monitoring laundry, and according to clothing
The clean level of object reasonably selects the dosage and wash time of detergent, water, and while reaching clean clothing, can
The residual for even completely eliminating detergent on clothing is reduced, the detergent not completely eliminated is avoided to propose the damage of user's skin
Rise user experience.
According to one embodiment of present invention, the control device further includes：Third acquisition module, for described first
When judgment module judges that the difference is more than the predetermined threshold value, current rinsing times are obtained；Second judgment module, for judging
Whether the current rinsing times reach preset times；First control module is additionally operable to judge in second judgment module
When the current rinsing times reach the preset times, the rinse stage is exited, and sentence in second judgment module
The current rinsing times break when being not up to the preset times, into rinsing next time.It is thus achieved that the intelligence of clothing is washed
It washs, can not only make the clothing of non-wash clean obtain the rinsing of finite number of time to rinsed clean, and also avoid laundry
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：Obtain prewashing parameter, wherein institute
It includes prewashing water consumption L1, prewashing time T0, prewashing detergent injected volume M1 to state prewashing parameter；
The prewashing water consumption L1 is put into the inner cylinder；The detergent throwing device is controlled to store up from the detergent
It deposits and extracts the prewashing detergent injected volume M1 in box, so that the detergent throwing device is by the prewashing detergent injected volume
M1 is thrown to the inner cylinder；It controls the inner cylinder and prewashing is carried out to clothing, the prewashing time is T0.
According to one embodiment of present invention, first acquisition module is specifically used for：Obtain the first turbidity A1 with
Turbidity difference between pre-stored turbidity calibration value A0；Turbidity is obtained according to the turbidity difference and turbidity criterion value to become
Change value.
According to one embodiment of present invention, second control module is additionally operable to：After exiting rinse stage, and it is right
The inner cylinder drained, dry before, control the turbidity and conductivity sensor and detect the inner cylinder current liquid respectively
The second turbidity and the second conductivity.
In one embodiment of the invention, the control device further includes replacement module, for respectively by described second
Turbidity and the second conductivity respectively as the pre-stored turbidity calibration value A0 and the pre-stored conductivity calibration value simultaneously
It is stored.As a result, by after every time in last time rinsing, going the turbidity and conductance of calibrating current washings
Rate substitutes A0, B0 as calibration value so that the turbidity and conductivity calibration value of washing machine can be last with each laundry clothes
Rinsing complete when liquid turbidity and conductivity and change, can make washing machine each time carry out clothes washing when
It waits, when the first turbidity value and the first conductivity are compared with turbidity calibration value and conductivity calibration value, error smaller,
So that washing machine can accurately judge clothing spot and detergent residual whether rinsed clean so that on clothing
Spot and detergent zero remain, the user experience is improved degree.
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, being used for will be in the detergent storage box
Detergent is thrown to the inner cylinder；The turbidity and conductivity sensor being set in the washing machine on drainpipe, for detecting
The turbidity and conductivity of the interior liquid within the cartridge；And the control device described in second aspect of the present invention embodiment, wherein described
Control device is connected with the detergent throwing device and the turbidity and conductivity sensor respectively.
Washing machine according to the ... of the embodiment of the present invention is receiving use by the first control module in control device in washing machine
Enter the prewashing stage after the sign on of family input, after prewashing, the second control module controls turbidity and conductivity sensor
Inner cylinder the first turbidity of current liquid is detected, the first acquisition module, which compares the first turbidity with pre-stored turbidity calibration value, obtains phase
The turbidity changing value answered determines washing parameter, and wherein washing parameter includes detergent injected volume, slurry amount, wash time
Washing machine is controlled according to washing parameter enter the washing stage Deng, the first control module, after the washing stage, into rinsing rank
Duan Shi, the second control module after each rinsing in control turbidity and conductivity sensor detection inner cylinder current liquid the
One conductivity, the second acquisition module obtain the changing value of conductivity according to the first conductivity and the conductivity calibration value of pre-access,
And the difference with pre-stored conductivity value is obtained, the first judgment module judges the relationship of the difference and predetermined threshold value, if
It proves to have remained without spot and detergent in clothing less than or equal to threshold value, the first control module control washing machine exits
Rinse stage, to terminate program, can complete monitoring laundry, and according to the clean level of clothing, rational selection washing
Agent, water dosage and wash time, and while reaching clean clothing, can reduce and even completely eliminate detergent on clothing
Residual, avoid damage of the detergent not completely eliminated to user's skin, the user experience is improved.
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
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously 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 work of the control method of washing machine according to an embodiment of the 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；
Fig. 5 is the structure diagram according to the control device of the washing machine of another embodiment of the invention；And
Fig. 6 is the structural schematic 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：Third acquisition module；570：Second judgment module；580：Replacement module.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.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 should be noted that 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 the sensor integrated, can test working as inner tank of washing machine
The turbidity and conductivity of preceding liquid.In this way because, what drainpipe in washing machine was connected to inner cylinder, fluid communication, turbidity and
Conductivity sensor is mounted on drainpipe and is in drain valve front end, so in turbidity and conductivity sensor can detect
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, may include：
S1, after receiving sign on input by user, control washing machine enters the prewashing stage.
Specifically, it includes obtaining prewashing parameter that washing machine, which enters the prewashing stage specifically, wherein prewashing parameter includes pre-
Scouring water amount L1, prewashing time T0, prewashing detergent injected volume M1, it will be understood that above-mentioned prewashing parameter (such as prewashing water consumption
L1, prewashing time T0, prewashing detergent injected volume M1 etc.) it is the pre- empirical value for first passing through many experiments and obtaining.That is,
It, later can root when getting above-mentioned prewashing parameter, such as prewashing water consumption L1, prewashing time T0, prewashing detergent injected volume M1
Enter the prewashing stage according to the prewashing state modulator washing machine, i.e., is put into prewashing water consumption L1 into inner tank of washing machine, and control and wash
It washs agent delivery device and extracts prewashing detergent injected volume M1 from detergent storage box, so that detergent throwing device washes prewashing
It washs agent injected volume M1 to launch to inner cylinder, and control inner cylinder, to clothing progress prewashing, the prewashing time is T0.
S2, at the end of the prewashing stage, control current liquid in turbidity and conductivity sensor detection inner cylinder first is turbid
Spend A1.
S3 obtains turbidity changing value according to the first turbidity A1 and pre-stored turbidity calibration value A0, and is changed according to turbidity
Value determines washing parameter, wherein washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2.
Specifically, obtaining the specific implementation of turbidity changing value according to the first turbidity A1 and pre-stored turbidity calibration value A0
Process can be as follows：Obtain the turbidity difference between the first turbidity A1 and pre-stored turbidity calibration value A0；According to turbidity difference and
Turbidity criterion value obtains turbidity changing value.It can determine washing parameter according to the turbidity changing value later.
Further, in one embodiment of the invention, turbidity changing value and washing parameter are stored in washing machine
The table of comparisons, for example, in parameter lookup table, turbidity changing value codomain is divided into tetra- codomain ranges of A, B, C, D, each codomain model
It encloses and both corresponds to respective washing parameter.A ranges are washed corresponding to small, if turbidity changing value belongs to A codomains, 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 the parameter value of detergent injected volume M2, slurry amount L2, wash time T2 will be relatively large；If
Turbidity changing value belongs to D codomains, then the parameter value of detergent injected volume M2, slurry amount L2, wash time T2 will phases
To maximum.It should be noted that in the table of comparisons turbidity changing value obtain codomain range and each codomain to washing parameter
All obtained according to a large amount 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 situation value it is big.That is, the clothing of user's washing
Object is dirtier, more, and the detergent needed is more, and wash time is longer.
S4 controls washing machine according to washing parameter and enters the washing stage.
Specifically, the washing stage can be entered according to washing parameter M2, L2, T2 to control washing machine, you can join according to washing
Number washs clothing come injected volume, wash time and the slurry amount of detergent when determining main washed.Wherein,
Main wash refers to that washing machine carries out clothing the washing again after prewashing.Main wash is that washing machine carries out clothing using detergent
The process of washing, it is the process for promoting the spot on clothing to be washed agent dissolving.
S5 controls turbidity and conductivity sensors after rinsing every time when the washing stage terminates and enters rinse stage
Device detects the first conductivity B1 of current liquid in 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 first conductivity B1 of current rinsing liquid.
S6 obtains conductivity variations value according to the first conductivity B1 and pre-stored conductivity calibration value B0, and obtains electricity
Difference between conductance changing value and conductivity criterion value, and judge whether difference is less than or equal to predetermined threshold value.
Wherein, in an embodiment of the present invention, predetermined threshold value can be 0.
Specifically, B1 values and pre-stored conductivity calibration value B0 can be compared, that is, obtain △ B1=B1-B0's
△ B1, are then compared by value with conductivity criterion value Δ B0, obtain the difference of Δ B1- Δs B0, later can be by the difference
Value carries out size comparison with predetermined threshold value.
S7 exits rinse stage if difference is less than or equal to predetermined threshold value.
That is, if the difference of Δ B1- Δs B0 is less than or equal to predetermined threshold value, then it is assumed that in washings
Residual through no spot and detergent, and then prove in clothing without the residual of spot and liquid detergent, thus exit drift
It washes the stage, terminates program.
Further, in one embodiment of the invention, the control method of the washing machine may also include：If above-mentioned difference
Value is more than predetermined threshold value, then obtains current rinsing times, and judge whether current rinsing times reach preset times；If current
Rinsing times reach preset times, then exit rinse stage；If current rinsing times are not up to preset times, enter 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, washing machine just exits rinsing
Stage.That is, washing machine unconfined cannot rinse, this is in order to avoid being caused because of some special situations
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 does not reach preset times, washing machine then enters next time
Rinsing returns and executes above-mentioned steps S5, continues cycling through, until above-mentioned difference is less than or equal to predetermined threshold value or rinsing times reach
Until preset times.
It should be noted that in one embodiment of the invention, when washing clothing, washing machine exit rinse stage it
Afterwards, and to inner cylinder before being drained, drying, the control method of the washing machine further includes controlling turbidity and conductivity sensor
The second turbidity and the second conductivity of inner cylinder current liquid are detected respectively；Respectively using the second turbidity and the second conductivity as
Pre-stored turbidity calibration value A0 and pre-stored conductivity B0 calibration values are simultaneously stored.Tune when washing clothing so as to next time
With.That is, turbidity calibration value and conductivity calibration value are continually changing with the state of washing machine, this to do washing
Machine when carrying out clothes washing each time, by the first turbidity value and the first conductivity and turbidity calibration value and conductivity school
When quasi- value compares, error smaller so that washing machine can accurately judge clothing whether washes clean, improve user
Experience Degree.
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, prewashing detergent injected volume M1, enter prewashing according to prewashing state modulator washing machine later
Stage, i.e., be put into prewashing water consumption into inner tank of washing machine, prewashing is intake to the water level of L1, and control detergent throwing device from
Prewashing detergent injected volume M1 is extracted in detergent storage box, so that detergent throwing device throws prewashing detergent injected volume M1
It is put into inner cylinder, washing machine then starts to carry out the prewashing (S210) that the time is T0 to clothing, and prewashing passes through turbidity and conductance later
Rate sensor detects the turbidity value A1 of inner tank of washing machine current liquid, obtains the first turbidity A1 and pre-stored turbidity calibration value
Turbidity difference between A0 obtains turbidity changing value according to turbidity difference and turbidity criterion value, later can be according to the turbidity
Changing value determines washing parameter, and washing parameter includes detergent injected volume M2, slurry amount L2, wash time T2 (S220),
Washing machine is put into from extraction detergent amount M2 in detergent storage box in inner cylinder by detergent embarking device at this time, and
It intakes to L2 water levels, clothing is washed, wash time is T2 (S230).It is main wash into after (i.e. after time T2), wash
Clothing machine drains clothing, is dried.Then, washing machine enters rinse stage, every time after rinsing, controls turbidity and conductance
Rate sensor is detected the current liquid in inner tank of washing machine, to obtain the first conductivity B1 of current liquid, then root
The changing value of conductivity, the i.e. value of △ B1=B1-B0 are obtained according to the first conductivity B1 and pre-stored conductivity calibration value B0, and
The difference between conductivity variations value and conductivity criterion, the i.e. value of Δ B1- Δs B0 are obtained, and judges the difference and 0
Relationship shows without the residual of spot and detergent in washings, and then prove clothing if difference is less than or equal to 0
Without the residual of detergent and spot in object, thus rinse stage is exited, terminates program.If the difference is more than 0, obtain
Current rinsing times are taken, and judge whether rinsing times reach preset times, if reaching preset times, washing machine
Current rinse stage is exited, if not reaching preset number, washing machine drains clothing, dries, under
Primary rinsing, continues cycling through, until the difference is less than or equal to 0 or rinsing times reach preset times.Also, it washes
Clothing machine is after exiting rinse stage, further includes that control turbidity and conductivity pass before the clothing of inner cylinder is drained, dried
Sensor detects the second turbidity and the second conductivity of current liquid respectively, and respectively distinguishes the second turbidity and the second conductivity
It as pre-stored turbidity calibration value A0 and pre-stored conductivity B0 calibration values and is stored, when washing clothing so as to next time
It calls (S240).
The control method of the washing machine of the embodiment of the present invention is introduced into prewashing rank after receiving sign on input by user
Section after prewashing, can control turbidity and conductivity sensor to detect inner cylinder the first turbidity of current liquid, and by by first
Turbidity compares with pre-stored turbidity calibration value, determines washing parameter, wherein washing parameter includes detergent injected volume, washing use
Water, wash time etc. can enter the washing stage according to washing parameter later, and after the washing stage, into rinsing
Then stage obtains the first conductivity of current liquid in inner cylinder, obtains first conductivity and prestore every time after rinsing
The conductivity calibration value of storage compares the changing value obtained, and obtains the difference of the changing value and conductivity criterion value,
And compare the relationship of the difference and predetermined threshold value, if it is less than or equal to threshold value prove clothing in no spot with wash
Wash agent residual, to exit rinse stage, can complete monitoring laundry, it is rational to select and according to the clean level of clothing
The dosage and wash time of detergent, water, and while reaching clean clothing, can reduce to even completely eliminate and be washed on clothing
The residual for washing agent avoids damage of the detergent not completely eliminated to user's skin, and the user experience is improved.
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 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 may 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 receiving sign on input by user, control washing machine into
Enter the prewashing stage.Wherein, the input instruction of user can be that user opens washing machine, and the clothing that will be cleaned is put into washing machine
When in inner cylinder and pressing the start button of washing machine, the operation received by washing machine.
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 detergent injected volume M1, can be put into pre- scouring water into inner cylinder later
L1 is measured, and controls detergent throwing device and extracts prewashing detergent injected volume M1 from detergent storage box, so that detergent is thrown
It puts device and prewashing detergent injected volume M1 is thrown to inner cylinder, and control inner cylinder carries out prewashing, the prewashing time is T0.
Second control module 520 was used at the end of the prewashing stage, controls turbidity and conductivity sensor detects washing machine
Inner cylinder in current liquid the first turbidity A1.
First acquisition module 530 is used to obtain turbidity variation according to the first turbidity A1 and pre-stored turbidity calibration value A0
Value, and determines washing parameter according to turbidity changing value, wherein washing parameter include detergent injected volume M2, slurry amount L2,
Wash time T2.
Specifically, the first acquisition module 530 can be obtained first between the first turbidity A1 and pre-stored turbidity calibration value A0
Turbidity difference, i.e. the value of Δ A1=A1-A0, then according between turbidity difference, that is, Δ A1 and turbidity criterion value Δ A0
The value of difference, that is, Δ A1- Δs A0 determines washing parameter later according to the difference.
More specifically, the table of comparisons of turbidity changing value and washing parameter is stored in washing machine, for example, in parameter lookup table
In, turbidity changing value codomain is divided into tetra- codomain ranges of A, B, C, D, and each codomain range both corresponds to respective washing ginseng
Number.A ranges are washed corresponding to small, if turbidity changing value belongs to A codomains, detergent injected volume M2, slurry amount L2, are washed
The parameter value for washing time T2 will be relatively minimal；If turbidity changing value belongs to B codomains, 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, 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 range 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 wash
It washs the stage, that is, controls and be put into slurry amount L2 into the inner cylinder of washing machine；Detergent throwing device is controlled to store 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 and carries 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 in the washing stage and enters rinse stage
When, the first conductivity B1 of current liquid in turbidity and conductivity sensor detection inner cylinder is controlled after rinsing every time.
Second acquisition module 540 is used to obtain conductivity according to the first conductivity B1 and pre-stored conductivity calibration value B0
Changing value, the i.e. value of Δ B1=B1-B0, and obtain the difference between conductivity variations value Δ B1 and conductivity criterion value Δ B0
Value.
For example, control turbidity is detected with conductivity sensor after the second control module 520 is in each rinsing
After first conductivity B1 of inner cylinder current liquid, the second acquisition module 520 can be by the first conductivity B1 and pre-stored electricity
Conductance calibration value B0 compares to obtain conductivity variations value, and obtains conductivity variations value and conductivity criterion value Δ B0
Between difference.
First judgment module 550 is for judging whether above-mentioned difference is less than or equal to predetermined threshold value.Wherein, difference refers to
Difference between conductivity variations value and conductivity criterion value Δ B0.
In an embodiment of the present invention, the first control module 510 is additionally operable to judge that difference is less than in the first judgment module 550
Or when equal to predetermined threshold value, exit rinse stage.
That is, if the difference of Δ B1- Δs B0 is less than or equal to predetermined threshold value, the first control module 510
It is believed that without the residual of spot and detergent in washings, and then prove in clothing without spot and liquid detergent
Residual, thus rinse stage is exited, terminate program.
The control device of the washing machine of the embodiment of the present invention, can be defeated in reception user in washing machine by the first control module
Enter the prewashing stage after the sign on entered, after prewashing, the second control module controls turbidity and conductivity sensor detection
The first turbidity of inner cylinder current liquid, the first acquisition module compare the first turbidity with pre-stored turbidity calibration value acquisition accordingly
Turbidity changing value, determines washing parameter, and wherein washing parameter includes detergent injected volume, slurry amount, wash time etc.,
One control module controls washing machine according to washing parameter and enters the washing stage, after the washing stage, when into rinse stage,
Second control module control turbidity and conductivity sensor after each rinsing detect the first electricity of current liquid in inner cylinder
Conductance, the second acquisition module obtain the changing value of conductivity according to the first conductivity and the conductivity calibration value of pre-access, and
The difference with pre-stored conductivity value is obtained, the first judgment module judges the relationship of the difference and predetermined threshold value, if it is less than
Or prove to have remained without spot and detergent in clothing equal to threshold value, the first control module control washing machine exits rinsing
Stage, to terminate program, can complete monitoring laundry, and according to the clean level of clothing, reasonably select detergent, water
Dosage and wash time can reduce and even completely eliminate the residual of detergent on clothing and while reaching clean clothing
It stays, avoids damage of the detergent not completely eliminated to user's skin, improve 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, third acquisition module 560 is used to, when the first judgment module 550 judges that difference is more than predetermined threshold value, obtain
Take current rinsing times.Wherein, above-mentioned predetermined threshold value can be 0.
For example, user is when with washing of drum type washing machine clothing, if the first judgment module 550 judges conductivity variations value
Difference between conductivity criterion value Δ B0 obtains, which is more than predetermined threshold value, then third acquisition module 560 this
When can obtain the number that clothing currently rinses, rinsing times here are the rinsing times completed.
Second judgment module 570 is for judging 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 " it does not wash clean once, it is just more
Wash several times " tradition laundry thought, as far as possible ensure clothing can washes clean, in turn avoid washing of drum type washing machine time mistake
It is long, or because of some special circumstances (for example user's washing is cannot having reused, very dirty rag)
Caused by washing machine enter unlimited endless loop state.
The number of washing machine undergarment currently rinsed is obtained by third acquisition module as a result, 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
It washes, realizes the intelligence washing of clothing, the clothing of non-wash clean can not only be made to obtain the rinsing of finite number of time 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.
Further, in one embodiment of the invention, as shown in figure 5, the control device of the washing machine can also wrap
Include replacement module 580.
Specifically, in an embodiment of the present invention, the second control module 520 can be additionally used in after exiting rinse stage,
And before being drained, drying to inner cylinder, controls turbidity and conductivity sensor detects the second turbid of inner cylinder current liquid respectively
Degree and the second conductivity.
The second turbidity and the second conductance that replacement module 580 can be used for respectively detecting above-mentioned second control module 520
Rate is respectively as pre-stored turbidity calibration value A0 and pre-stored conductivity calibration value B0 and is stored.
More specifically, being exactly to be drained to the inner cylinder of washing machine after washing machine exits rinse stage, dry it
Before, the second control module 520 can control turbidity and conductivity sensor detect respectively the second current turbidity of inner tank of washing machine and
Second conductivity, replacement module 580 is using the second turbidity and the second conductivity as pre-stored turbidity calibration value A0 and in advance
The conductivity calibration value B0 of storage is simultaneously stored.
It is appreciated that when user washs clothing each time, according to the first turbidity A1 and pre-stored turbidity calibration
Value A0 obtains turbidity changing value to determine washing parameter and according to the first conductivity B1 and pre-stored conductivity calibration value B0
When obtaining conductivity variations value, the turbidity calibration value A0 and conductivity calibration value B0 that are utilized are last washing machine knots
When tunicle clothes rinsing, replacement module 580 is using current second turbidity detected and the second conductivity as pre-stored turbid
Degree calibration value A0 and pre-stored conductivity calibration value B0 and the value stored.
As a result, by replacement module respectively using the second turbidity and the second conductivity as pre-stored turbidity calibration value
A0 and pre-stored conductivity calibration value B0 is simultaneously stored so that when washing of drum type washing machine clothing, is rinsed every time in last time
After, the turbidity and conductivity of calibrating current washings are gone, substitutes A0, B0 as calibration value so that the turbidity of washing machine
The turbidity of liquid and conductivity when completing can be rinsed as each laundry clothes are last with conductivity calibration value and is changed, energy
Enough make washing machine when carrying out clothes washing each time, by the first turbidity value and the first conductivity and turbidity calibration value and
When conductivity calibration value compares, error smaller so that washing machine can accurately judge the spot and detergent of clothing
Residual whether rinsed clean, the user experience is improved degree.
In order to realize above-described embodiment, the invention also provides a kind of washing machines.
Fig. 6 is the structural schematic diagram of washing machine according to an embodiment of the invention.As shown in fig. 6, the washing machine packet
Include inner cylinder 100, detergent storage box 200, detergent throwing device 300, turbidity and conductivity sensor 400 and washing machine
Control device 500 (being not shown in Fig. 6) 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 convenient for user can be set, user can by the convenient deposit detergent of this opening, for
It is used when washing of drum type washing machine clothing, meanwhile, washing machine can also be directed to detergent the storage box 200 and alarm is arranged, when user exists
It, will alarm user addition if detecting that remaining detergent is inadequate in detergent storage box 200 when laundry takes
Detergent equally can prompt whether detergent is filled it up with when user adds detergent using alarm.
Detergent throwing device 300 can be used for the detergent in detergent storage box 200 being thrown to the inner cylinder of washing machine
In 100.
Turbidity and conductivity sensor 400 are set to the drainpipe of washing machine and are on the position of drain valve front end, can
Turbidity and conductivity for detecting liquid in inner cylinder 100.Wherein, turbidity refers to the dirty degree of washings, for example, 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 also can be formed it is muddy
The very high liquid of turbidity, turbidity value can be used as washing machine and judge clothing either with or without the important reference indicator cleaned up.
Likewise, conductivity refers to that the concentration of washings intermediate ion, conductivity and turbidity all are used to judge the dirt of 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 function that the concrete function description of control device 500 can refer to above-mentioned Fig. 3 to control device shown in fig. 5 describes, herein not
It repeats again.
Washing machine according to the ... of the embodiment of the present invention is receiving use by the first control module in control device in washing machine
Enter the prewashing stage after the sign on of family input, after prewashing, the second control module controls turbidity and conductivity sensor
Inner cylinder the first turbidity of current liquid is detected, the first acquisition module, which compares the first turbidity with pre-stored turbidity calibration value, obtains phase
The turbidity changing value answered determines washing parameter, and wherein washing parameter includes detergent injected volume, slurry amount, wash time
Washing machine is controlled according to washing parameter enter the washing stage Deng, the first control module, after the washing stage, into rinsing rank
Duan Shi, the second control module after each rinsing in control turbidity and conductivity sensor detection inner cylinder current liquid the
One conductivity, the second acquisition module obtain the changing value of conductivity according to the first conductivity and the conductivity calibration value of pre-access,
And the difference with pre-stored conductivity value is obtained, the first judgment module judges the relationship of the difference and predetermined threshold value, if
It proves to have remained without spot and detergent in clothing less than or equal to threshold value, the first control module control washing machine exits
Rinse stage, to terminate program, can complete monitoring laundry, and according to the clean level of clothing, rational selection washing
Agent, water dosage and wash time, and while reaching clean clothing, can reduce and even completely eliminate detergent on clothing
Residual, avoid damage of the detergent not completely eliminated to user's skin, improve user experience.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated 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 used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct 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 be directly above or diagonally above the second feature, 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 directly under or diagonally below the second feature, 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 spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of control method of washing machine, which is characterized in that the washing machine includes inner cylinder, detergent storage box, detergent
Delivery device and turbidity and conductivity sensor, wherein the method includes：
S1 controls the washing machine and enters the prewashing stage after receiving sign on input by user；
S2 controls the turbidity and conductivity sensor detects current liquid in the inner cylinder at the end of the prewashing stage
The first turbidity A1；
S3 obtains turbidity changing value according to the first turbidity A1 and pre-stored turbidity calibration value A0, and according to the turbidity
Changing value determines washing parameter, wherein the washing parameter includes detergent injected volume M2, slurry amount L2, wash time
T2, is stored with the table of comparisons of turbidity changing value and washing parameter in the washing machine, and there are four turbidity for storage in the table of comparisons
Changing value codomain, each turbidity changing value codomain corresponds to different washing parameters respectively, according to the turbidity changing value institute
The turbidity changing value codomain of category determines corresponding washing parameter；
S4 controls the washing machine according to the washing parameter and enters the washing stage；
S5 controls the turbidity and conductivity after rinsing every time when the washing stage terminates and enters rinse stage
Sensor detects the first conductivity B1 of current liquid in the inner cylinder；
S6 relatively obtains conductivity variations value according to the first conductivity B1 and pre-stored conductivity calibration value, and obtains
The difference between the conductivity variations value and conductivity criterion value is taken, and it is pre- to judge whether the difference is less than or equal to
If threshold value；
S7 exits rinse stage if the difference is less than or equal to the predetermined threshold value；
After exiting rinse stage, and before being drained, drying to the inner cylinder, the method further includes：
Control the second turbidity and the second conductivity that the turbidity and conductivity sensor detect the inner cylinder current liquid respectively；
Second turbidity and the second conductivity as the pre-stored turbidity calibration value A0 and described are prestored respectively
The conductivity calibration value of storage is simultaneously stored.
2. the control method of washing machine as described in claim 1, which is characterized in that further include：
S8 obtains current rinsing times, and judge the current rinsing times if the difference is more than the predetermined threshold value
Whether preset times are reached；
S9 exits the rinse stage if the current rinsing times reach the preset times；
S10 enters and rinses next time, and return to the step if the current rinsing times are not up to the preset times
Rapid S5.
3. the control method of washing machine as claimed in claim 1 or 2, which is characterized in that control the washing machine and enter prewashing
Stage specifically includes：
Obtain prewashing parameter, wherein the prewashing parameter includes prewashing water consumption L1, prewashing time T0, the dispensing of prewashing detergent
Measure M1；
The prewashing water consumption L1 is put into the inner cylinder；
It controls the detergent throwing device and extracts the prewashing detergent injected volume M1 from the detergent storage box, so that
The prewashing detergent injected volume M1 is thrown to the inner cylinder by the detergent throwing device；
It controls the inner cylinder and carries out prewashing time T0 described in prewashing.
4. the control method of washing machine as described in claim 1, which is characterized in that according to the first turbidity A1 and be pre-stored
Turbidity calibration value A0 obtain turbidity changing value, specifically include：
Obtain the turbidity difference between the first turbidity A1 and pre-stored turbidity calibration value A0；
Turbidity changing value is obtained according to the turbidity difference and turbidity criterion value.
5. a kind of control device of washing machine, which is characterized in that the washing machine includes inner cylinder, detergent storage box, detergent
Delivery device and turbidity and conductivity sensor, wherein described device include：
First control module enters prewashing rank for after receiving sign on input by user, controlling the washing machine
Section；
Second control module, at the end of the prewashing stage, controlling described in the turbidity and conductivity sensor detection
First turbidity A1 of current liquid in inner cylinder；
First acquisition module, for obtaining turbidity changing value according to the first turbidity A1 and pre-stored 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
L2, wash time T2 are measured, the table of comparisons of turbidity changing value and washing parameter is stored in the washing machine, is deposited in the table of comparisons
There are four turbidity changing value codomains for storage, and each turbidity changing value codomain corresponds to different washing parameters respectively, according to described
Turbidity changing value codomain belonging to turbidity changing value determines corresponding washing parameter；
First control module is additionally operable to enter the washing stage according to the washing parameter control washing machine；
When second control module is additionally operable to terminate in the washing stage and enters rinse stage, every time after rinsing
It controls the turbidity and conductivity sensor detects the first conductivity B1 of current liquid in the inner cylinder；
Second acquisition module becomes for obtaining conductivity according to the first conductivity B1 and pre-stored conductivity calibration value B0
Change value, and obtain the difference between the conductivity variations value and conductivity criterion value；
First judgment module, for judging whether the difference is less than or equal to predetermined threshold value；
First control module is additionally operable to judge that the difference is less than or equal to the default threshold in first judgment module
When value, rinse stage is exited；
Second control module is additionally operable to after exiting rinse stage, and before being drained, drying to the inner cylinder, control
Make the second turbidity and the second conductivity that the turbidity and conductivity sensor detect the inner cylinder current liquid respectively；
Replacement module, for respectively using second turbidity and the second conductivity as the pre-stored turbidity calibration value
A0 and the pre-stored conductivity calibration value are simultaneously stored.
6. the control device of washing machine as claimed in claim 5, which is characterized in that further include：
Third acquisition module, for when first judgment module judges that the difference is more than the predetermined threshold value, acquisition to be worked as
Preceding 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
When number, the rinse stage is exited, and judge that the current rinsing times are not up to described in second judgment module
When preset times, into rinsing next time.
7. such as the control device of washing machine described in claim 5 or 6, which is characterized in that first control module is specifically used
In：
Obtain prewashing parameter, wherein the prewashing parameter includes prewashing water consumption L1, prewashing time T0, the dispensing of prewashing detergent
Measure M1；
The prewashing water consumption L1 is put into the inner cylinder；
It controls the detergent throwing device and extracts the prewashing detergent injected volume M1 from the detergent storage box, so that
The prewashing detergent injected volume M1 is thrown to the inner cylinder by the detergent throwing device；
It controls the inner cylinder and carries out prewashing time T0 described in prewashing.
8. the control device of washing machine as claimed in claim 5, which is characterized in that first acquisition module is specifically used for：
Obtain the turbidity difference between the first turbidity A1 and pre-stored turbidity calibration value A0；
Turbidity changing value is obtained according to the turbidity difference and turbidity criterion value.
9. a kind of washing machine, which is characterized in that including：
Inner cylinder；
Detergent storage box, for storing detergent；
The detergent throwing device being connected with the detergent storage box, for throwing the detergent in the detergent storage box
It puts to the inner cylinder；
The turbidity and conductivity sensor being set in the washing machine on drainpipe, for detecting the turbid of the interior liquid within the cartridge
Degree and conductivity；And
Control device as described in any one of claim 5-8, wherein the control device is launched with the detergent respectively
Device and the turbidity are connected with conductivity sensor.
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| CN108784582A (en) * | 2018-05-23 | 2018-11-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Controlling Method for inflow, dish-washing machine and computer readable storage medium |
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| CN108852237A (en) * | 2018-06-20 | 2018-11-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Wash electric appliance and its detergent throwing device, method |
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| 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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