CN107429462B - For running the method and washing machine of the washing machine with impedance transducer - Google Patents
For running the method and washing machine of the washing machine with impedance transducer Download PDFInfo
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- CN107429462B CN107429462B CN201680015574.3A CN201680015574A CN107429462B CN 107429462 B CN107429462 B CN 107429462B CN 201680015574 A CN201680015574 A CN 201680015574A CN 107429462 B CN107429462 B CN 107429462B
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- tensid
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
-
- 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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/18—Washing liquid level
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/20—Washing liquid condition, e.g. turbidity
- D06F2103/22—Content of detergent or additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/42—Detergent or additive supply
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The present invention relates to a kind of methods for running washing machine 1, with impedance transducer 9, the control device 8 in container 2, reception 4 roller 3 of washings, 3 drive motor 5 of roller, container 2 for 7 ingredient associated impedances signal of waterborne liquid in determining and container 2, execute: (a) offer of container 2 surfactant concentration cTensidThe aqueous liquid 7 of surfactant meets cCMC≤cTensid<cgrenz, cCMCIt is that critical micell forms concentration；(b) the surfactant concentration c of analysis 9 impedance signal measuring process (a) waterborne liquid of impedance transducer is received using 8 middle impedance signal of control device and surfactant concentration relationshipTensid；(c) washing stage (c1) surfactant concentration c is executedTensid≥cgrenzThe dilution of waterborne liquid is executed until meeting cCMC≤cTensid<cgrenz(c2) surfactant concentration cTensid<cCMCIt executes detergent boost and/or executes roller 3 and be stored in the motor program in control device 8 for surfactant concentration.The present invention relates to a kind of washing machines 1 for being adapted for carrying out the method.
Description
Technical field
The present invention relates to a kind of laundries for running with impedance transducer (the also referred to as impedance transducer of electrochemistry)
The method of machine and the washing machine for being suitable for the method.The invention particularly relates to a kind of for running the side of such washing machine
Method, the washing machine have container, the roller for receiving washings, the drive motor for roller, being used in a reservoir
Determine with waterborne liquid in a reservoir (Fl ü ssigkeit) the relevant impedance signal of ingredient impedance sensing
Device and control device, and it is related to a kind of washing machine for being adapted for carrying out this method.
Background technique
In washing machine, usually for carrying out Treatment of Washing in the clean washing stage with the washing alkali liquid comprising detergent
Wash object.In addition, be rinsed with water rinse stage (in the rinse stage removal be located at washings in or washings
On washing alkali liquid and/or pollutant) after, the processing to washings is usually carried out with softening agent.Herein, due at basis
Cause and environmental protection reason significantly use the washings inorganic agent (especially detergent and softening agent) of optimal amount.It answers
It avoids dosage excessively high but dosage deficiency also should be avoided simultaneously.
Since the wrong dosage of detergent is particularly likely to the washing function that leads to bubble over (dosage is excessively high) or cause difference
Effect (dosage is insufficient).Therefore, a kind of method for running washing machine is worthy of expecting, and the method identifies this kind of shape
State, so as to take suitable counter-measure.
It is therefore proposed that excessively a kind of washing machine, the washing machine seeks the optimal amount of such as detergent and can be to washing
The dosage that the user of clothing machine provides the accurate data of the amount ready for use with such as detergent on a display screen is recommended.
03/029550 A1 of WO illustrates a kind of Domestic refrigerator of process control, with microcomputer and is used for
The display screen of text, must there is also be used to show to predict in the course of work (such as washing procedure) in the display screen
The instruction area of the amount of the additive (such as detergent) needed.Household appliance has a device, can for example be given by the device
Washing methods supplies additive, and the dosage of the additive must be carried out by operator.
In order to save detergent, significantly, washed according to the type of the pollution of washings to be washed and intensity distribution
Wash dosage.Other than saving energy and water, optimally suitably detergent dosage especially also leads to waste water with a collection of washings
Lesser load.
DE 29 17 859 illustrate it is a kind of for be monitored and controlled in automatic washing machine and table-ware washing machine program,
The especially method of the program of water injection and/or detergent addition or irrigation addition, wherein be arranged in the machine to cleaning solution
The sensor that surface tension and/or the water hardness and/or electric conductivity are responded, the sensor are embedded into journey by control circuit
In sequence process and controls water injection rate, changes water and/or the dosage of detergent addition or irrigation addition.
0 797 761 B1 of EP illustrates a kind of for determining the surface tension of liquid by generating bubble in a liquid
Method surface tension in a liquid is determined by monitoring bubble accordingly, and, wherein bubble is by the gas that generates herein
Body generates.
2 533 035 A1 of EP illustrates that a kind of equipment for detecting the material property of medium, the equipment have packet
The measuring device of sensor device is included, the sensor device and medium are in connection, and the equipment has for leading to
The regulation device of the signals-modulating sensor device of predetermined frequency range is crossed, and the equipment has for controlling survey
Measure operation and the control device of previously given predetermined frequency range of device, wherein regulation device is arranged for determining
The impedance Z of medium corresponds to according to the change curve of the predetermined frequency range of the frequency and for exporting detection signal,
Also, control device setting for analyze handle the detection signal of regulation device, the change curve for determining impedance Z it is multiple
Characteristic point (P1 to P4) and the consequential signal for generating the characteristic about medium.Thus, for example should be able to determine, washing alkali liquid
Whether need further to add detergent.
In order to generate the washing alkali liquid for cleaning washings, detergent includes object of the surfactant as surface-active
Matter, wherein the surfactant reduces the surface tension of the water in generated aqueous solution (washing alkali liquid), because
Surfactant preferably absorbs in boundary face on the surface and therefore.Surfactant is especially being washed from determining concentration
It washs in lye and is got together with micelle form, because they are advantageous on energy.The micelle forma-tion that the concentration is referred to as critical is dense
Spend (cCMC)。
2 767 825 A1 of EP is illustrated for determining micelle-forming concentration
(Mizellbildungskonzentration) a kind of method and a kind of equipment.The method is executed in wash mill, institute
Stating wash mill has to execute water necessary to washing process, and the method has such step:
The partial amount of detergent is supplied to water to constitute washing alkali liquid (step 1),
Magnitude Z and phase angle for the impedance of the frequency detecting washing alkali liquid of the adjustment signal of predetermined quantityAnd the corresponding measured value (step 2) of corresponding quantity is generated,
Gradient (step 3) is sought by each measured value at phase angle,
Corresponding measured value (step 4) is gone out by the quantity of gradient and the magnitude calculation of impedance,
It is sought determining product MBP (step 5B) by the average value of the magnitude of the average value and impedance of gradient,
Relatively determine product and predetermined threshold value (step 6B), and
Step 1 is repeated to 6B, until determining that product is equal to or more than threshold value (XB) (step 7).
Summary of the invention
In this context, the object of the present invention is to provide a kind of method for running washing machine, the method is just washed
It washs and improves to some extent for the optimal use of agent.Here, it is preferred that the method realizes and/or standard as simple as possible to washing procedure
Really it is monitored and controlled.In addition, the task of the present invention is provide a kind of washing machine for being adapted for carrying out this method.
The preferred configuration of the method corresponds to the preferred configuration of washing machine, even if herein not respectively dividually to this
It points out.
Therefore, the present invention relates to a kind of method for running washing machine, the washing machine has container, washes for receiving
Wash object roller, for roller drive motor, in a reservoir for determining with waterborne liquid in a reservoir into split-phase
The impedance transducer and control device of the electrochemistry of the impedance signal of pass, wherein execute following steps:
(a) providing so in a reservoir has surfactant concentration cTensid, aqueous solution containing surfactant
Body, so that meeting relationship cCMC≤cTensid<cgrenz, wherein cCMCFor critical micelle-forming concentration；
(b) by using the mutual pass being stored between in control device, impedance signal and surfactant concentration
The impedance signal of reception and analysis processing impedance transducer measures living containing surface provided in step (a) in the case where system
Surfactant concentration c in the waterborne liquid of property agentTensid；
(c) washing stage is executed in this way, so that
(c1) in identified surfactant concentration cTensid≥cgrenzIn the case where execute the water containing surfactant
The dilution of property liquid, until meeting relationship cCMC≤cTensid<cgrenz；
(c2) in identified surfactant concentration cTensid<cCMCIn the case where execute to detergent boost and/
Or motor program executing roller, being stored in for this surfactant concentration in control device.
Herein, cgrenzIndicate maximum allowable micellar concentration.Its value generally depend on roller for washing stage institute
The motor program and detergent of setting, especially include surfactant in the detergent type or composition.It gives in advance
Determine cgrenzSuch as help avoid unintentionally formation of foam.Maximum allowable micellar concentration cgrenzCan be determined as absolute value or
Person is relative to critical micellar concentration cCMCProportional numbers.
Although the term is herein it is to be noted, that using term " micellar concentration " due to simplified herein
Typically represent " micella (Assoziationskolloide) ".
In addition, container is interpreted as alkali liquor container, the part of container or component part under meaning of the present invention, transporting
Liquid containing surfactant provided by during row washing machine is located at part/component part of the alkali liquor container/container
In or from its it is other by flow.Therefore, impedance transducer can be arranged in the alkali liquor container of washing machine and be arranged in survey
It in amount container or is arranged in liquid line, the measurement container is fluidly connect with alkali liquor container, living containing surface
Property agent liquid during the operation of washing machine via the liquid line flow.Surfactant will be contained when washing machine has
Liquid during the operation of washing machine from alkali liquor container export and again supply alkali liquor container circulating pump system when, it is above-mentioned
Situation can be especially advantageous.
In a kind of preferred embodiment according to the method for the present invention, carry out in this way with surfactant concentration
cTensidThe waterborne liquid containing surfactant offer so that meeting relationship cCMC≤cTensid<cgrenz, thus carry out: In
Believed in step (a) as impedance signal, the i.e. impedance as measured by impedance transducer that reception and analysis handle impedance transducer
Number surfactant concentration c of the tracking in the waterborne liquid containing surfactantTensid, wherein consideration is stored in control dress
Correlation between set, impedance signal and surfactant concentration.
Herein, the waterborne liquid containing surfactant is preferably provided in this way, is containing surface so that continuously improving
Surfactant concentration in the waterborne liquid of activating agent, until reaching critical micelle-forming concentration cCMC, wherein with regard to surface
Tension σsurChange for measured impedance signal is analyzed and processed, so as to according to surfactant concentration increase
In the case where the surface tension σ that no longer improvessurSo that it is determined that: reach critical micelle-forming concentration cCMC。
In accordance with the present invention it is preferred that providing water in a reservoir first in step (a) or there is surfactant concentration
c1The solution containing surfactant, and then in a reservoir provide have surfactant concentration c2>c1Contain surface
Surfactant existing for the solution of activating agent or not diluted ground.It is possible thereby to continuously improve surfactant concentration.
Term " surfactant " used herein represent single surfactant and different surface-actives
The mixture of agent.
If the factor as the load of the possible pollutant of the waterborne liquid containing surfactant can be excluded,
It can be realized the particularly accurately measurement of Surfactant concentration.If this is infeasible, it should take in washing machine and to the greatest extent may be used
The safeguard procedures of energy, so as to estimate influence of the pollutant to execution according to the method for the present invention.
For these reasons, step (a) is executed preferably in wetting phase.Herein, wetting phase is interpreted as washing
In such stage in program, in this stage, to be cleaned and especially stand-by washing alkali liquid washing washings is with being used in
This washing alkali liquid wetting, usually until until being saturated washings with washing alkali liquid.Here, " washing alkali liquid " and " containing table
The waterborne liquid of face activating agent " usually has the same meaning.Herein, washings is not transported mostly just weakly or completely
It is dynamic.Therefore, pollutant mostly just occurs in wetting phase from the small separation on washings to be washed.Especially washings
Roller is not preferably rotated in wetting phase with being greater than 25 turns of revolving speed per minute.
In a kind of preferred embodiment according to the method for the present invention, consider washings pollution type and/or
Step (b) is executed in the case where contaminant capacity, wherein the different pollution types and/or dirt of washings are directed in control device
Dye amount is stored with the correlation between impedance signal and surfactant concentration.Such as it may in the case where being polluted by the oil
Cause: especially non-ionic surfactant can more or less significantly dissolve in the oil, and be no longer available for for micella
It is formed.On the other hand, the surfactant of ion can be intercepted to a certain extent by the pollutant comprising ion, be consumed, from
And they are no longer available for for micelle forma-tion.
Pollution type and/or contaminant capacity can be adjusted by the user of washing machine to be set, or however can be by suitable
Sensor measurement.Set impedance transducer is especially also suitable for this according to the present invention.Addedly, can also no doubt be attached to makes
With other sensors such as such as turbidity transducer (Tr ü bungssensor).
Furthermore it is preferred that a kind of method, in the method, roller it is dense in fixed surfactant in step (c2)
Spend cTensid<cCMCWhen performed motor program be: with surfactant concentration cTensidMeet relationship cCMC≤cTensid<
cgrenzSuch washing stage is compared, the duration of above-mentioned washing stage it is longer and/or movement can introducing it is bigger.As a result,
It is mended by reinforcing the movement (promoting the separation of cleaning function, i.e. pollutant by larger introducing mechanical energy) of washings
Repay the use of small amount of surfactant.
In the method according to the invention, it is usually executed at the reception and analysis to impedance signal in this way
Reason: there is the alternating voltage loaded impedance sensor of change frequency, and with regard to the phase angle of impedanceWith for magnitude to resistance
Antinoise signal is analyzed and processed.With regard to the type of surfactant, quantity and concentration and for micellar concentration, and can be to resistance
Anti- phase angleIt is analyzed and processed with magnitude.
In order to measure, impedance spectrum is usually received as impedance transducer by using suitable electrode system
(Impedanzspektrum).Here, the impedance of the frequency check electro-chemical systems generally according to alternating voltage.In order to show,
Different figures, such as such as nyquist diagram known to those skilled in the art, in the nyquist diagram, according to used friendship
Time variant voltage frequency shows the real part or imaginary part of impedance.When checking washing alkali liquid, usual several characteristic points are suitable for table
Show the feature (comparing 2 767 825 A1 of EP) of impedance spectrum, such as point of the imaginary part in the maximum value in the frequency range of lower part
Or point of the imaginary part in the minimum value in the frequency range on top.It usually can be from the impedance value and frequency on characteristic point
Rate value exports parameter typical for washing alkali liquid.Such as the electric conductivity of washing alkali liquid can be determined by the real part put.Usually and
Speech is handled the frequency at the impedance and another point at the point by analysis, is capable of determining that through impedance transducer and washes
Wash the capacitor for the so-called conductivity measurement unit that lye is constituted.Another parameter relevant to the characteristic of washing alkali liquid is Nai Kui
The flatness (Abflachung) of semicircle in Si Tetu, the flatness can ratios by the height of semicircle relative to width
Relationship is determined.It is analyzed and processed by using formula well known by persons skilled in the art.
In a kind of particularly preferred embodiment of the invention, to resistance for as the electrical conductance measured to the water hardness
Antinoise signal is analyzed and processed.
In addition, preferably a kind of method is providing the waterborne liquid containing surfactant in the method according to the present invention
In step (a) into container, the surface-active for depending on the useful load and the water being packed into of washings is added in a reservoir
Dosage.
The determination of useful load can be carried out by measurement roller weight increase due to caused by the loading of washings, or
Person however can be carried out by analyzing the absorption characteristic of water, mode is, on add water to dry washings during point
Analyse the change of hydrostatic pressure.For this purpose, being advantageously provided with hydrostatic sensor in washing machine according to the present invention.It is special
Not advantageously, it also is provided with water counter, i.e., for seeking the measurement of be packed into water or the washing soda liquid measure being packed into
Equipment.It may be thus possible, for example, to compare by means of pressure p hydrostatic measured by hydrostatic sensor and the water being packed into
Amount.Washings in roller absorbs water.Absorbed water can not make contributions to the raising of hydrostatic pressure.Pass through
The water that compares measured hydrostatic pressure p and injected --- absolute value and its change in time --- with it is corresponding
, value in the control device for being stored in washing machine, being impregnated with for washings, can seek washings useful load and must
Its saturation (degree of wetting) can be sought when wanting.
Washing stage usually and then wetting phase.In general, if washing procedure signal shows that there is washings
It fully soaks, mode is, such as reaches the previously given threshold value p for hydrostatic pressure p1With previously given use
In threshold value (the Δ p/ Δ t) of the gradient of hydrostatic pressure p in time1, then the washing stage starts.
In a kind of complete preferred embodiment of the invention, with regard to detergent, especially include in the detergent
For the ingredient of surfactant, impedance signal is analyzed and processed, wherein the difference of detergent is directed in control device
Component part and quantity store impedance signal.Herein, it can involve the analysis processing about following parameter: being included in washing
Component type in agent and portion in proportion, such as: the share of the surfactant of nonionic and ion, bleaching agent and/
Or the share of enzyme.In this manner it is possible to make the amount to be used of detergent also better with the washings to be washed in roller
Heap matches.It, advantageously can be by impedance transducer if will be according to the measurement of impedance so that it is determined that the ingredient of detergent out
It is arranged in and pours in shell, or be arranged on the other position in washing machine, on the other position, possible pollutant
On this analysis without influencing or having influence as small as possible.
In a kind of special embodiment of the invention, in order to avoid the noisy foam in washing machine generates,
For the revolving speed of the determination of roller, the maximum surfactant concentration c of storage difference in control devicemaxAnd/or it is maximum allowable
Micellar concentration cgrenz.It is therefore preferable that surfactant concentration is generally in the model of one times to five times of critical micellar concentration
In enclosing, particularly preferably in the range of one times to twice of critical micellar concentration.
In addition, a kind of preferably method is determining that surfactant is dense in step (c1) in the method according to the present invention
Spend cTensid≥cgrenzIn the case where in this way execute the waterborne liquid containing surfactant dilution so that (i) pumping walk it is predetermined
Measure M1The waterborne liquid containing surfactant and then (ii) from water feeder add predetermined amount M2Water, and (iii)
Then the measurement and analysis processing of impedance signal are executed for the surfactant concentration that there is, wherein hold in multiple times in this way
Row step (i) is to (iii), until meeting condition cCMC≤cTensid<cgrenz。
In addition, target of the invention is a kind of washing machine, the washing machine has container, the rolling for receiving washings
Cylinder, the drive motor for roller, the determining impedance relevant to the ingredient of the waterborne liquid in container that is used in a reservoir are believed
Number impedance transducer and control device, wherein control device is arranged for carrying out a kind of method, and this method includes following
Step:
(a) providing so in a reservoir has surfactant concentration cTensid, aqueous solution containing surfactant
Body, so that meeting relationship cCMC≤cTensid<cgrenz, wherein cCMCIt is critical micelle-forming concentration；
(b) surfactant concentration in the waterborne liquid containing surfactant provided in measuring process (a)
cTensid, mode is, mutual between in control device, impedance signal and surfactant concentration using being stored in
In the case where relationship, reception and analysis handle the impedance signal of the impedance transducer；
(c) washing stage is executed, so that:
(c1) in identified surfactant concentration cTensid≥cgrenzIn the case where, execution contains surfactant
The dilution of waterborne liquid, until meeting relationship cCMC≤cTensid<cgrenz；
(c2) in identified surfactant concentration cTensid<cCMCIn the case where, execute to detergent boost and/
Or motor program executing roller, being stored in for this surfactant concentration in control device.
, according to the invention it is preferred to a kind of washing machine, in the washing machine, be disposed in a reservoir temperature sensor and
For temperature value different measured by temperature sensor, to be stored with impedance signal dense with surfactant in control device
Correlation between degree.
Washing machine according to the present invention is realized, turbidity transducer (the Tr ü being typically found in washing machine is eliminated
bungssensor).No doubt, in some embodiments of washing machine according to the present invention, it may also addedly be equipped with turbidity and pass
Sensor.
In general, washing machine used herein also have heating device and be arranged in it is on the bottom plate of alkali liquor container,
Lye discharge system with lye pump.In addition, washing machine used herein generally also have washings carrying piece and/or
Draw equipment
Finally, washing machine according to the present invention can be washing machine itself or scrubbing-and-drying unit is (i.e. a kind of to have drying
The utensil of the function of machine and washing machine).
It is preferred that washing machine according to the present invention has for showing the acoustics of one or more operating statuses and/or optical
Display device.Optical display device can be such as liquid crystal display, in the clearly fixed requirement of the liquid crystal display subscript
Or prompt.Additionally or alternatively, light emitting diode can be flashed with one or more colors.Such as it can be according to not
Chart with color is bright, and whether the washing stage carries out under optimal detergent concentration.
In the insufficient situation of detergent dosage, especially there is identified surfactant concentration cTensid<cMCM
Under conditions of, prompt, the dosage of additional detergent, wherein can also carry out herein can be provided to the user of washing machine
Quantity regulation.It is pushed away here, carrying out dosage on display screen itself or its instruction area (herein broadly referred to as " display screen ")
The display recommended.
Dosage recommendation can be shown on a display screen with text and/or sign format.Suitable text may be for example straight
The requirement " woulding you please dosage " green " " connect, wherein " green " is the prompt to dosage auxiliary.Can also enumerate other colors or with
Textual form provides other prompts.Alternately or additionally to this, color or symbol can be used as symbol and show, such as
Circle fills the circle to degree that can be respectively different to distinguish the detergent amount of single.
The case where dosage is recommended is provided advantageously for user, can be arranged in washing machine, lack user
Reaction in the case where, especially in the case where non-boost, during such as 3-5 minutes previously given period, such as
Continue according to the method for the present invention illustrated in method and step (c2).Herein, the reaction of user is especially touched
Pouring for detergent is sent out.
In embodiments of the present invention, it is thus understood that the water or scale liquid measure flowed into container is of great significance.
It is therefore preferable that being equipped with the measuring device for seeking be packed into water in washing machine according to the present invention, such as true
Surely the liquid measurement for the horological device of the opening time section of the injection valve of water, or for measuring be packed into water is set
It is standby.
The present invention has the advantages that numerous.A kind of method for running washing machine is provided, this method with regard to detergent most
It improves to some extent for excellent use.Here, the method realizes the simply and accurately monitoring and control to washing procedure.
Actual detergent concentration and measure related to this are got by required in washing procedure, it can be right in time
The dosage of detergent is excessively high or dosage is insufficient exerts one's influence.On the one hand can prevent washing machine to bubble overDescribed bubble over may be related to the floods in house.It on the other hand, can be to avoid liquidating
Wash water is excessively used, if it is necessary to superfluous detergent is removed from washings, the flushing water may be necessary.
Such as it also allows for determining the concentration of the surfactant of ion and setting can be adjusted and holding is used for
The concentration range of the surfactant of ion.The water hardness is sought and considered in addition, the present invention realizes in a simple manner.Most
Eventually, the organic dirt that for example can only less preferably detect by the optical sensor as turbidity transducer can also be determined
Contaminate object, such as this pollutant, such as sweat with high ion specific gravity.
In addition, in some embodiments, the present invention realizes: (particularly by the ingredient of detergent) can be sought more
The characteristic of the different detergent of kind, so that used and detergent ready for use amount can also be determined preferably.
Detailed description of the invention
Referring to shown in unique attached drawing, for the embodiment party of washing machine according to the present invention not limited
Formula illustrates the present invention.The part vital for the present invention of the first embodiment of washing machine according to the present invention is shown
Schematical diagram can execute according to the method for the present invention in the washing machine.
Specific embodiment
The washing machine 1 of attached drawing has an alkali liquor container 2, and roller 3 can be rotated to support in the alkali liquor container and can be by
Drive motor 5 drives.To realize improved ergonomic designs, the rotation axis 19 of roller 3 is from horizontal line with small angle
(such as 13 °) are oriented towards front upper place, so that the user of washing machine 1 is more easily touched and observed inside roller 3.It is logical
This arrangement is crossed, also with the washings carrying piece 14 specially shaped on the inner surface of cylinder shell and for washing alkali liquid 7
Realize to 17 collective effect of drawing device the reinforcing to (Durchflutung) washings 4 is impregnated with washing alkali liquid 7.
Impedance transducer 10, which is arranged in, to be poured in shell 12, and the impedance transducer is usually the electrode being made of multiple electrodes
System, such as two condenser armatures.It can analyze the detergent or packet for being present in and pouring in shell 12 by means of impedance transducer 10
Waterborne liquid containing the detergent, to obtain about detergent and the information about the design of washing procedure at the same time.
In addition, washing machine 1 has lye injected system, which includes the water connection for the household network of rivers 20
Accessory, can Electronic control valve 21 and input pipe 13 to alkali liquor container 2, the input pipe can also guide by washing when necessary
It washs agent and pours shell 12, detergent share can be poured shell from the detergent and is transported in alkali liquor container 2 by water to be implanted.This
Outside, it is located in alkali liquor container 2 for heating the heating device 16 of water or washing alkali liquid 7.Valve 21 and heating device 16 can be with
By control device 8 according to program program control, described program program can be combined with time-program(me) and/or with reach
As inside washing machine 1 lye level, alkali liquid temperature, roller revolving speed etc. certain measured value of parameter mutually tie
It closes.
6 indicate alkali liquor containers 2 in pressure sensor, i.e. for measuring the sensor of hydrostatic pressure.Hydrostatic
Pressure p is generated by the liquid level of the free rinsing liquid 7 formed in alkali liquor container 2.In addition, washing machine 1 includes for seeking
The measuring device 15 of the water of loading.The measuring device can for example be configured to water counter or flowmeter.In flow
In the case where meter, flowed into water is calculated in combination with the filling time detected.Flow can also by measurement until
Time until reaching previously given elevation of water determines, the previously given elevation of water is corresponding to determining
Fixation water.18 indicate the lye pump for pumping washing alkali liquid 7.
In the accompanying drawings, 9 impedance transducer in alkali liquor container 2 is indicated, wherein the structure that it is made of electrode is herein
It is not illustrated in detail.In order to implement the embodiment with the method according to the method for the present invention, by impedance transducer 9 and 10
The measured value of the rotation speed of signal and roller, the loading of washings, hydrostatic pressure etc. and measuring device 15 mentions
Apparatus for controlling of supply 8.
11 indicate display equipment, can be with display methods parameter, especially optimally using washing by the display equipment
In the case where agent (such as can be shown by the photodiode of green) or in the case where not optimally using detergent (such as
Can be shown by red photodiode) washing procedure process.Especially dosage can also be shown to the user of washing machine
Recommend.
Reference signs list
1 washing machine
2 alkali liquor containers
3 rollers
4 washings
5 drive motors
6 pressure sensors
7 waterborne liquids, free rinsing liquid, washing alkali liquid
8 control devices
9 impedance transducer in alkali liquor container；For measuring the electrode arrangement component of impedance
10 in the impedance transducer poured in shell；For measuring the electrode arrangement component of impedance
11 display equipment
12 (detergent) pour shell
13 arrive the input pipe of alkali liquor container
14 washings carrying pieces
15 for seeking the measuring device of be packed into water
16 heating devices
17 drawing devices
18 pumps, lye pump
19 rotation axis
20 water inlet pipes, the household network of rivers, water feeder
21 (can Electronic control) valves
22 temperature sensors
Claims (18)
1. method of the one kind for running washing machine (1), the washing machine include
Container (2),
For receiving the roller (3) of washings (4),
It is used for the drive motor (5) of the roller (3),
Impedance transducer (9) in the container (2), the impedance transducer is for the determining aqueous solution with the container (2)
The relevant impedance signal of ingredient of body (7), and
Control device (8),
It is characterized in that, executing following steps:
(a) waterborne liquid (7) containing surfactant is provided in the container (2), the aqueous of surfactant should be contained
Liquid has surfactant concentration cTensid, so that meeting relationship cCMC≤cTensid<cgrenz, wherein cCMCIt is critical glue
Beam forms concentration, and cgrenzIt is predetermined maximum allowable micellar concentration, wherein critical micelle-forming concentration cCMC
It is that surfactant starts the surfactant concentration c to get together with micelle form in washing alkali liquidTensid；
(b) surfactant concentration in the waterborne liquid (7) containing surfactant provided in the step (a) is measured
cTensid, mode has been stored between in the control device (8), impedance signal and surfactant concentration using
Correlation in the case where, the impedance signal of the reception and analysis processing impedance transducer (9)；
(c) washing stage is executed, so that:
(c1) in fixed surfactant concentration cTensid≥cgrenzIn the case where, execution contains surfactant to described
Waterborne liquid (7) dilution, until meet relationship cCMC≤cTensid<cgrenz；
(c2) in fixed surfactant concentration cTensid<cCMCIn the case where, it executes to detergent boost, and/or
Motor program executing the roller (3), being stored in for the surfactant concentration in the control device (8).
2. according to the method described in claim 1,
It is characterized in that,
The waterborne liquid (7) containing surfactant is provided, being somebody's turn to do the waterborne liquid containing surfactant has surfactant
Concentration cTensid, so that meeting relationship cCMC≤cTensid<cgrenz, this is accomplished in that is handled by reception and analysis
The impedance signal of the impedance transducer (9) realizes the waterborne liquid (7) containing surfactant in the step (a)
In surfactant concentration cTensid, wherein it is living in view of being stored in the control device (8), impedance signal and surface
Correlation between property agent concentration.
3. according to the method described in claim 2,
It is characterized in that,
The waterborne liquid (7) containing surfactant is provided, so that the waterborne liquid (7) containing surfactant
In surfactant concentration continuously improve, until reach the critical micelle-forming concentration cCMC, wherein to measured
The impedance signal arrived is about surface tension σsurVariation aspect is analyzed and processed, to according to surface tension σsurNo longer with table
The increase of face surfactant concentration and improve so that it is determined that go out: have reached the critical micelle-forming concentration cCMC。
4. according to the method described in claim 2,
It is characterized in that,
It executes and the reception and analysis of impedance signal is handled, mode is, with the alternating voltage with change frequency to the resistance
Anti- sensor is loaded, and the phase angle to impedance signal about impedanceAnd it is analyzed and processed in terms of magnitude.
5. according to the method described in claim 3,
It is characterized in that,
It executes and the reception and analysis of impedance signal is handled, mode is, with the alternating voltage with change frequency to the resistance
Anti- sensor is loaded, and the phase angle to impedance signal about impedanceAnd it is analyzed and processed in terms of magnitude.
6. the method according to any one of claims 1 to 5,
It is characterized in that,
In step (a), firstly, by water or there is surfactant concentration c1, the solution containing surfactant is injected into
In the container (2), and and then, there will be surfactant concentration c2>c1, solution containing surfactant or
Not diluted surfactant is injected into the container (2).
7. the method according to any one of claims 1 to 5,
It is characterized in that,
The step (a) executes in wetting phase.
8. according to the method described in claim 4,
It is characterized in that,
The step (a) executes in wetting phase.
9. according to claim 1 to method described in any one of 5,8,
It is characterized in that,
The step (b) is executed in the case where considering the pollution type and/or contaminant capacity of washings (4), wherein for washing
The different pollution types and/or contaminant capacity for washing object (4), are stored with impedance signal in the control device (8) and surface is living
Correlation between property agent concentration.
10. according to claim 1 to method described in any one of 5,8,
It is characterized in that,
In fixed surfactant concentration c in the step (c2)Tensid<cCMCIn the case where to the roller (3) institute
The motor program of execution is: in surfactant concentration cTensidMeet relationship cCMC≤cTensid<cgrenzWashing stage
In the case of compare, above-mentioned duration washing stage is longer and/or kinergety introduce it is bigger.
11. according to claim 1 to method described in any one of 5,8,
It is characterized in that,
Impedance signal is analyzed and processed in terms of as the electric conductivity measured for the water hardness.
12. according to claim 1 to method described in any one of 5,8,
It is characterized in that,
In the step of waterborne liquid (7) containing surfactant are provided in the container (2) (a), in the container (2)
Amount of surfactant relevant and relevant with the water being filled with to the useful load of washings (4) is added.
13. according to claim 1 to method described in any one of 5,8,
It is characterized in that,
Impedance signal is analyzed and processed in terms of the ingredient of detergent, wherein for different detergent component parts
And detergent amount, impedance signal is stored in the control device (8).
14. according to the method for claim 13,
It is characterized in that,
Impedance signal is analyzed and processed in terms of including the ingredient of surfactant in the detergent.
15. according to claim 1 to method described in any one of 5,8,14,
It is characterized in that,
In order to avoid generating foam to interference in the washing machine (1), for the revolving speed of the determination of the roller (3), In
It is stored with maximum surfactant concentration c respectively in the control device (8)maxAnd/or maximum allowable micellar concentration
cgrenz。
16. according to claim 1 to method described in any one of 5,8,14,
It is characterized in that,
In the step (c1), in fixed surfactant concentration cTensid≥cgrenzIn the case where, execution contains to described
There is the dilution of the waterborne liquid of surfactant, so that:
(i) by predetermined amount M1Containing surfactant waterborne liquid pumping walk, and
(ii) then, predetermined amount M is fed from water feeder (20)2Water, and
(iii) then, measurement and analysis to impedance signal in terms of existing surfactant concentration is executed to handle,
In, step (i) to (iii) is executed in multiple times, until meeting condition cCMC≤cTensid<cgrenz。
17. a kind of washing machine (1), the washing machine include
Container (2),
For receiving the roller (3) of washings (4),
It is used for the drive motor (5) of the roller (3),
Impedance transducer (9) in the container (2), the impedance transducer is for the determining aqueous solution with the container (2)
The relevant impedance signal of ingredient of body (7), and
Control device (8),
It is characterized in that,
The control device (8) is arranged for carrying out a kind of method, the described method comprises the following steps:
(a) waterborne liquid (7) containing surfactant is provided in the container (2), the aqueous of surfactant should be contained
Liquid has surfactant concentration cTensid, so that meeting relationship cCMC≤cTensid<cgrenz, wherein cCMCIt is critical glue
Beam forms concentration, and cgrenzIt is predetermined maximum allowable micellar concentration, wherein critical micelle-forming concentration cCMC
It is that surfactant starts the surfactant concentration c to get together with micelle form in washing alkali liquidTensid；
(b) surfactant concentration in the waterborne liquid (7) containing surfactant provided in the step (a) is measured
cTensid, mode has been stored between in the control device (8), impedance signal and surfactant concentration using
Correlation in the case where, the impedance signal of the reception and analysis processing impedance transducer (9)；
(c) washing stage is executed, so that:
(c1) in fixed surfactant concentration cTensid≥cgrenzIn the case where, execution contains surfactant to described
Waterborne liquid (7) dilution, until meet relationship cCMC≤cTensid<cgrenz；
(c2) in fixed surfactant concentration cTensid<cCMCIn the case where, it executes to detergent boost, and/or
Motor program executing the roller (3), being stored in for the surfactant concentration in the control device (8).
18. washing machine (1) according to claim 17,
It is characterized in that,
It is disposed in the container (2) temperature sensor (22), and
For by different temperatures value measured by the temperature sensor (22), it is stored in the control device (8)
Correlation between impedance signal and surfactant concentration.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
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| DE102015204536.6A DE102015204536A1 (en) | 2015-03-13 | 2015-03-13 | Method for operating a washing machine with an impedance sensor and suitable washing machine for this purpose |
| DE102015204536.6 | 2015-03-13 | ||
| PCT/EP2016/053135 WO2016146321A1 (en) | 2015-03-13 | 2016-02-15 | Method for operating a washing machine having an impedance sensor and washing machine suitable therefor |
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| CN107429462A CN107429462A (en) | 2017-12-01 |
| CN107429462B true CN107429462B (en) | 2019-11-05 |
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| EP (1) | EP3268528B1 (en) |
| CN (1) | CN107429462B (en) |
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| EP3187645B1 (en) * | 2015-12-29 | 2020-02-12 | Electrolux Appliances Aktiebolag | Laundry washing machine provided with a control panel |
| EP3187646A1 (en) | 2015-12-29 | 2017-07-05 | Electrolux Appliances Aktiebolag | Laundry washing machine provided with a control panel |
| CN109395618B (en) * | 2017-08-16 | 2021-12-24 | 青岛海尔滚筒洗衣机有限公司 | Bubble generating device and clothes treating device |
| CN110924049B (en) * | 2018-09-18 | 2022-10-28 | 青岛海尔智能技术研发有限公司 | Washing machine and control method thereof |
| CN110093750A (en) * | 2019-05-10 | 2019-08-06 | 苏州博学智能科技有限公司 | A kind of intelligent washing machine washing methods of the self-service addition detergent function of band |
| CN110055717A (en) * | 2019-05-10 | 2019-07-26 | 苏州博学智能科技有限公司 | A kind of intelligent washing machine washing methods |
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| Publication number | Publication date |
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| EP3268528B1 (en) | 2023-07-05 |
| WO2016146321A1 (en) | 2016-09-22 |
| DE102015204536A1 (en) | 2016-09-15 |
| CN107429462A (en) | 2017-12-01 |
| EP3268528A1 (en) | 2018-01-17 |
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