CN102666963B - Washing machine having a desalination device - Google Patents
Washing machine having a desalination device Download PDFInfo
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- CN102666963B CN102666963B CN201080058503.4A CN201080058503A CN102666963B CN 102666963 B CN102666963 B CN 102666963B CN 201080058503 A CN201080058503 A CN 201080058503A CN 102666963 B CN102666963 B CN 102666963B
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- water
- washing machine
- desalination
- rinsing step
- demineralizer
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/007—Arrangements of water softeners
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- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Control Of Washing Machine And Dryer (AREA)
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Abstract
The invention relates to a washing machine having a suds container (1), a washing drum (2), a water inlet system (8, 9, 10) and a suds discharge system having a suds pump (16), a program control (12), a desalination device (17) for generating desalinated water, and a rinse water store (22), wherein the washing machine comprises a soft water tank (24) connected to the water inlet system (8, 9, 10) by means of the desalination device (17). The invention further relates to a method for treating laundry in such a washing machine.
Description
Technical field
The present invention relates to the washing machine with demineralizer and flushing water memory, and relate to the method for process clothes in washing machine of the present invention.
Background technology
In the process of the dirty clothing of the process in washing machine, the rinse stage with the rinsing step of one or more employing water is followed after the actual cleaning step adopting suitable washing agent.In this rinse stage, clothing is sloughed the washing lotion that is filled with impurity and washing agent and is if necessary sloughed and is attached to the impurity of clothing and the residue of washing agent.These amount of substances residual on the fiber of clothing are less, then in the process of rinsing, use more water and/or frequently rinse with water.But the time that flushing process consumes and the water yield should be considered the demand of washing machine user and environmental protection and be reduced.Meanwhile, the requirement of the flush efficiency aspect of washing machine increases.
Be provided for the water softener that clear water " softens " to use in dish-washing machine.Water softening is understood as the alkaline earth cation Ca meaning and eliminate and dissolve in water
2+and Mg
2+, wherein these alkaline earth cations reduce the cleaning performance of washing agent and can cause the interference incrusted deposit thing in pipe network and electrical equipment due to the formation of calcium soap.Soft water is produced by so-called hard water.From water, the developing result that calcium ions and magnesium ions can not significantly improve clothing in cleaning process is only removed as dish-washing machine.Therefore soft water chemicals are often added into washing agent, and described soft water chemicals produce strong reacting to each other with the alkaline earth cation not then being used further to interfering response.Like this, alkaline earth cation is not removed from water.Then, water meter reveals soft water characteristic to a certain degree.Therefore this process is not actual softening process, and substantially still remains the deficiency of hard water.
In addition, water softener also must be removed in the process of flush cycle, otherwise can increase the amount needed for flushing water further.
Patent document DE 1944397A1 discloses a kind ofly has washing machine for the device of demineralized water or dish-washing machine, the described device for demineralized water is according to reverse osmosis operate, at least there is semipermeable membrane, a surface of this semipermeable membrane is attached to water inlet pipe line, and another surface of this semipermeable membrane is attached to water delivery pipe line.A dish-washing machine shown in the drawings, in this dish-washing machine, for the water after softening arranges the storage container being equipped with drain valve.
Patent document DE 19709085A1 discloses a kind of for cleaning clothes, especially the method for cleaning clothes in washing machine, in the method, in the clean cycle process adopting cleaning liquid and in the process of flush cycle subsequently adopting flushing liquid, clothing is processed in outer barrel, and, at the end of corresponding cleaning/flush cycle, outer barrel is cleared, the flushing liquid of cleaning liquid and/or at least one flush cycle to be entered clearly in a collection container and is stored in storage container inherence passes through reverse osmosis, microfiltration, reuse after hyperfiltration or nanofiltration process preparation.Prepared cleaning or flushing liquid are supplied the flush cycle subsequently for same program cycle.
Patent document DE 29611092U1 discloses a kind of carrier fluid household electrical appliance with cyclelog, in described cyclelog, further program process can be set according to detected measurand, at least one conductive sensor is set, by means of this sensor, the conductance of the liquid arranged in the working region of household electrical appliance can be determined.
Patent document WO 2010/115683A1 discloses a kind of water-conducting domestic appliance, such as washing machine, and it has demineralizer.Demineralizer can have reverse osmosis equipment; Electro-osmosis equipment and/or ion-exchanger.If the water in the process of desalination with high salinity is such as generated as accessory substance by means of reverse osmosis, then this water with high salinity can be stored and be used with cleaning method subsequently in one of first flush cycle.According to the document, also there is flushing water memory, in this flushing water memory, store used flushing water, then such as to use in clean cycle subsequently.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of washing machine of reducing water consumption and a kind of having the method for process clothes in the washing machine reducing water consumption of having.
Object of the present invention by according to the washing machine of independent claims and in washing machine process clothes method and realize.The preferred embodiments of the present invention are recorded in the corresponding dependent claims.The preferred embodiment of washing machine corresponds to the preferred embodiment of method, even if do not do independent reference at this.
Thus the present invention relates to a kind of washing machine, this washing machine comprises outer barrel, laundry drum, water input system and soap lye exhaust system, wherein said soap lye exhaust system have emptying pump, cyclelog, for generation of the demineralizer of the water of desalination and flushing water memory, washing machine comprises soft water container, and described soft water container is connected to water input system by means of demineralizer.
The washing machine of washing machine of the present invention to be actual form be clothes washer-dryer.For two kinds of devices below term washing machine.
Washing machine of the present invention comprises cyclelog, by means of described programme-control, controls the program that will perform.Cyclelog is preferably connected to display device, and described display device can additionally comprise the input equipment inputting data for user.
The water being called as " soft water " need not meet the requirement that must meet according to traditional water as " distillation " or " demineralization ".The water of demineralization is (also referred to as the water of deionization, desalination; The water of VE water or deionization) be the water (H2O) the mineral matter (salt, ion) do not occurred in spring or running water.In order to determine the purity of the water of material, measure electrical conductivity by adopting conductivity measuring apparatus.Electrical conductivity is defined as S/m(Siemens every meter).Because the glassware for drinking water of demineralization has low-down electrical conductivity, so unit is mS/m and/or is μ S/m in technical term usually.Running water has the electrical conductivity of 700 to 800 μ S/m according to the water hardness.The water of desalination is approximately 600 μ S/m.The value of the electrical conductivity of water of desalination depend on desalination type and lower than 200 μ S/m.Because be can the ampholytes of oneself's reaction at chemical Fang Mianshui, so even the purest water also has low conductivity: calculate restriction 0.055 μ S/m at 25 DEG C.The value of distilled water is between 0.5 and 5 μ S/m.
For the present invention, in implication of the present invention, the water (soft water) of desalination is understood to be so a kind of water, and this electrical conductivity of water is less than 200 μ S/m, is preferably less than 100 μ S/m, is particularly preferably less than 50 μ S/m, is particularly preferably less than 20 μ S/m.Particularly preferably, (VE) glassware for drinking water of demineralization has the electrical conductivity being less than 10 μ S/m.
The desalination of this degree is realized by arranging demineralizer in washing machine.Demineralizer is preferably connected to water input system, i.e. clear water feeding mechanism.In this case, demineralizer can be positioned at distributing equipment upstream or also can be other through this distributing equipment.
Demineralizer is preferably reverse osmosis equipment, electrodialysis plant, nanofiltration apparatus and/or ion-exchanger.
If ion-exchanger is used as demineralizer in the method for the invention, then this is not particularly limited according to the present invention.But artificial resin ion-exchanger, especially mixed-bed ion exchanger are preferably used.Ion-exchanger can be positioned at a suitable box (subsequently also referred to as " ion-exchanger box "), and described box has input connecting portion and discharges connecting portion.This box can be inserted in washing machine by means of the suitable opening in washing machine and maintenance equipment and take out from washing machine.Such as, this box can engage with output connecting portion at the input connecting portion of the correspondence of washing machine.
According to the present invention, reverse osmosis equipment, electrodialysis plant or nanofiltration apparatus are more preferably used as demineralizer.Reverse osmosis equipment very particularly preferably is used.
Reverse osmosis equipment is so a kind of equipment, and this equipment makes the material aggregation dissolved in liquid according to the membrane filtration physical method being called as reverse osmosis, this is reversed by pressure by naturally osmotic process and realizes.Like this, water can in the mode of roughly Maintenance free by desalination.Eliminate the process exchanging or regenerate.Due to reverse osmosis, so obtain on the one hand the water (subsequently also referred to as " soft water ") of desalination and obtain the water (subsequently also referred to as " hard water ") of saliferous on the other hand, both can be collected individually and reuse.
Therefore, washing machine of the present invention preferably has the storage container (subsequently also referred to as " hard water container ") of the water for saliferous.
Produce (such as accessory substance compared with the water of high salinity if had in the process of desalination, this is when reverse osmosis), then this accessory substance can be stored and be used in one of first flush cycle, cleaning process subsequently especially in the first flush cycle.This advantageous particularly part is, cleaning active material is surrounded by salt more strongly and can be rushed out with the form of particulate.For this purpose, washing machine of the present invention comprises a storage container (hard water container), and this container is connected to demineralization plant and from this container, the water with increase salinity stored up in described container can be delivered to outer barrel again via corresponding pipeline.This supply controls by means of cyclelog equally.
With after flushing water can reuse in order to additional water saving.For this purpose, flushing water memory arranged according to the present invention, the flushing water after using is stored, then such as to use in clean cycle subsequently in this flushing water memory.Especially, be clean from the water after the use of last flush cycle, thus this water can easily again without the need to clear water for get wet and cleaning clothes.In addition, desalination, with after flushing water be favourable be that detergent concentration need not adjust for hardness, this is because the water of desalination " has softened ", even if according to this water of the present invention through flush cycle.Therefore water as the desalination after the use of rinse water be even advantageously used as clear water.Flushing water from last flush cycle is very particularly advantageously used in the clean cycle of cleaning process subsequently.
In a preferred embodiment, storage container (hard water container) and aforementioned storage container for the water of saliferous form a container shared, and this container shared can hold water or the flushing water of saliferous.This situation is feasible according to the present invention, because in the method for process clothes, the water of saliferous and flushing water are collected and at different time points by demand.
Water softening tank, can to change for the storage tank of the water of saliferous and the size of flushing water memory significance degree.Substantially, they reach about 70 to 90% of the water yield arranged in washing machine for the input capacity of aqueous solution, to clean the clothing of 6 to 8kg.If the water of 14 to 18 liters is provided to the clothing of cleaning 6 to 8kg, then water softening tank, reach 10 to 16 liters in a preferred embodiment for the storage tank of the water of saliferous and the input capacity of flushing water memory.Particularly advantageously, the container shared is used as the storage container of flushing water container and the water for saliferous, this is because save space.
In a preferred embodiment of the invention, washing machine has the first sensor of the operating reliability for determining demineralizer.
The sensor occurred in washing machine for recording ion-exchanger box such as can be set.
According to the present invention, first sensor is preferred, described first sensor be advantageously arranged in demineralizer downstream, be preferably placed between demineralizer and soft water container, and measure the salt content of the water left from demineralizer.First sensor can be thought especially for directly or indirectly checking the sensor of ion.Such as, ISE or conductivity sensor are suitable.Conductivity sensor is included in two electrodes arranged in liquid to be detected substantially, described two electrodes provide the information of the product quality and quantity of the different material about such as salt, washing agent or softening agent, and they are obtained by the electrical conductivity measured between said electrodes.According to the present invention, first sensor preferably includes conductivity sensor.
First sensor is preferably connected to cyclelog, and therefore may be used for the desalination ability of monitoring demineralizer.At this, first sensor is measured from the salt content L the water that demineralizer leaves, and such as the salt content L of this measurement and the predetermined higher limit L (max) stored in cyclelog is contrasted.If meet or exceed L (max), then can show the desalination capacity exhaustion of demineralizer.If the desalination ability of the demineralizer of such as ion-exchanger reduces, then the conductivity value recorded by the conductivity sensor as first sensor of the water left from box increases.Then, the display device acoustically or by means of washing machine shows the demand of replacing box optically.According to the present invention, can be arranged to thering is no desalination ability, such as, there is no ion-exchanger box or perform clothes processing method with exhausting ion-exchanger capacity.
Second sensor can also be set, in its outer barrel being arranged in washing machine and the inorganic matter measured in liquid available in outer barrel and organic content S, and the content S measured and predetermined value S (min) be contrasted.Therefore, cyclelog is guaranteed, if reach or lower than S (min), then supply water and stop or no longer perform rinsing step.Second sensor is preferably optical pickocff, tensometer or conductivity sensor.The optical characteristics of liquid measured by optical pickocff, described optical characteristics for pure water from comprise inorganic matter and/or organic water is different.Therefore, in aqueous solution, inorganic matter and/or organic appearance can be determined in product quality and quantity.Tensometer is simple, dynamic measurement system, and it is for determining the content of the surface reactive material in liquid.By means of tensometer, according to so-called bubble pressure method, produce the signal proportional with the surface tension of liquid, described signal corresponds to the concentration of surface reactive material.Optical pickocff or conductivity sensor are particularly advantageously used as the second sensor.Second sensor is preferably placed in the underside area of outer barrel.
In order to quantitatively determine salt and/or inorganic matter and organic content, the data stored in the internal memory of cyclelog if necessary can be used in determining salt and/or inorganic matter and organic type and the relation between concentration and the signal of respective sensor (such as, electrical conductivity, surface voltage, optical characteristics).
According to the present invention, the desalination ability exhausted of demineralizer, namely will use, preferably to be shown with the form of optics and/or acoustic signal appear in salt in water between contact with clothing to be rinsed.Same situation is applied to inorganic matter in the flushing water that display removes in outer barrel with having tolerable amount and organic matter.For this purpose, acoustics display device can adopt, the VODER of one or more buzzer such as with the different sound or volume or the message with such as " regenerant ions interchanger " or " stopping rinsing ".Information about the salt be present in water or the inorganic matter be present in flushing water and/or organic corresponding quantitative and qualitative analysis also can provide by means of optical display means (LED or LCD).
Therefore, washing machine of the present invention preferably includes display device, it is greater than/equals for showing L the situation that the situation of L (max) and/or S be less than/equal S (min), wherein, L is the salt amount L measured by first sensor, S is by the inorganic matter of the second sensor measurement and organic amount, and L (max) is predetermined salt amount, and S (min) is inorganic matter and organic predetermined amount.The evaluation of salt, inorganic matter and/or organic content in the evaluation of the value of the measurement provided by the first and/or second sensor and flushing liquid and the confession water management that causes according to the quantity of the water yield and rinsing step realize preferably by the cyclelog of washing machine.
The invention still further relates to the method for process clothes in washing machine, described washing machine has outer barrel, laundry drum, water input system, soap lye exhaust system, described soap lye exhaust system has emptying pump, cyclelog, for generation of the demineralizer of the water of desalination, soft water container and flushing water memory, described method comprises at least one cleaning step and at least one rinsing step, and the water of desalination adopts in rinsing step, the water of desalination is collected in soft water container, and the water of the desalination used in rinsing step stores and reuses in cleaning process subsequently in flushing water memory.
In clothes processing method, after actual wash phase, perform rinse stage substantially, described rinse stage comprises one or more rinsing steps, substantially two or three rinsing steps of utilizing water.According to the present invention, the water of desalination can be used in each rinsing step.Method of the present invention does not preferably perform in the first rinsing step, and in fact first at the second rinsing step and particularly preferably in the middle execution of one of subsequent rinse step.The salt removed from clothing and the minimizing for each rinsing step of other amount of substance, if thus the salt removed from clothing and other amount of substance significantly reduce, then the water of desalination can be used especially efficiently.
For the first rinsing step, the water (being generally running water) with salinity is enough substantially, thus impact additional in the first flushing process considers that the use of the water of desalination is comparable low.On the contrary, by utilizing the water (such as, in the process of desalination by means of reverse osmosis produce) higher than running water salinity even can have a negative impact, this is because cleaning active material can be surrounded by salt more significantly.
As the function of load capacity being derived from the water hardness of water, i.e. running water of water input system, the performance of demineralizer and/or clothing, water can be transported in soft water in flush cycle by means of water input system.This is particularly useful for the first flush cycle.In last flush cycle, soft water is preferably uniquely used on the contrary.
Developing result according to the water of desalination of the present invention still can be improved further, thus such as in the water of desalination, sets faintly acid pH value by adding acid.
The water of the desalination used in rinsing step stores subsequently according to the present invention in flushing water container, and is used again in the process of next clean cycle in cleaning process subsequently, such as.The advantage done like this is, the washing agent of aequum is only assigned with according to the pollution level of clothing, and has nothing to do with the water hardness, this is because water is by desalination.The salt received in last rinsing step and material exist in the mode of low concentration, thus cleaning process can not be affected negatively.
Water can be transported to according to the existing amount of flushing water in load capacity and/or flushing water memory the flushing water used in cleaning step by means of water input system.
In the particularly preferred embodiment of the inventive method, in the process of one or more clean cycle, said method comprising the steps of:
A () makes the water desalination from described water input system by means of described demineralizer, such produced soft water stores up in described soft water container, and such produced hard water stores up in described hard water container;
B () uses the hard water from described hard water container in the first rinsing step; And
C () uses the soft water from described soft water container in last rinsing step.
Can use in the second rinsing step preferably between the first rinsing step and the second rinsing step from the water of water input system and/or soft water or hard water.
The signal of the first and/or second sensor can be measured continuously or intermittently in the process of method of the present invention.Such as, can measure by means of first sensor in the beginning of rinsing step, and supply water in outer barrel terminate after can measure by means of the second sensor.
In a preferred embodiment of the invention, first sensor is measured from the salt content L the water that demineralizer leaves, and itself and predetermined higher limit L (max) is contrasted.If meet or exceed L (max), then show exhausting of demineralizer.
The second sensor in outer barrel preferably measures inorganic matter in liquid available in outer barrel and organic content S, and itself and predetermined value S (min) is contrasted.If reach or lower than S (min), then terminate supply water and/or no longer perform rinsing step.
If reach or lower than S (min), then preferably stop supplying water and/or no longer performing rinsing step.The water yield used in rinsing step depends on the laundry amounts be loaded in washing machine substantially.Load capacity can be determined by known measure.Therefore, rinse stage is coordinated with predetermined load very exactly.Substantially must the water yield of about 15 to 18 liters for the laundry amounts of 5kg in rinsing step.In the process according to method of the present invention of execution, this water yield and/or the quantity of step that will perform reduce.
After the rinsing step, the step of adding fabric softener is performed substantially.In the process of the step of interpolation fabric softener according to the present invention, adding will other material, the such as softener, impregnating agent, perfume etc. of process clothes.Because these materials will remain on clothing, no longer perform rinsing step subsequently.
The present invention has multiple advantage.Method advantage of the present invention is, by retaining the developing result that can be obtained by conventional flush, can be significantly reduced for the overall required water yield of rinse stage.This is advantageously without the need to extending duration of the whole clothing processing procedure in washing machine and feasible.In addition, the present invention makes to have less desirable salt and other inorganic and/or organic laundry load minimizing in the particular embodiment, thus the use of fabric softening agent can reduce or avoid.
In addition, advantage of the present invention is that the cleaning of clothing is at the cleaning temperature reduced, such as completes the scope of 15 to 20 DEG C.What will worry once in a while is that these low temperature are not enough to kill microorganism.The present invention contributes to even in this cleaning process, improving health now, and in an embodiment of the present invention, microorganism is separated by means of reverse osmosis or dialysis and realizes by this from rinse water and/or flushing water.
Accompanying drawing explanation
In further detail the present invention is described by means of the illustrative examples shown in attached Fig. 1 and 2 below, wherein:
Fig. 1 shows the front cut-away illustration of the washing machine of the first embodiment, and described washing machine has soft water memory, for the storage container (after this also referred to as " hard water memory ") of the water of saliferous and the memory for flushing water;
Fig. 2 shows the front cut-away illustration of the washing machine of the second embodiment, and described washing machine comprises soft water memory and the memory shared for the water of saliferous and flushing water.
Detailed description of the invention
In the schematic diagram shown in Fig. 1, show the relevant part of washing machine, the following method explained in detail can be performed in described washing machine.Other embodiment can be expected.
Washing machine comprises outer barrel 1, and laundry drum 2 can be installed rotatably in described outer barrel, and described laundry drum is operated by drive motors 14, and described laundry drum internal memory is placed with clothing 7.By scooping equipment 5 cooperate for the clothing agitator 4 molded and shaped specially of washing lotion 6 and shovel, utilize washing lotion 6 or utilize flushing water 6 to realize the strengthening of the break-through performance of clothing 7.Washing machine comprises soap lye input system, and described soap lye input system comprises the water connector for water service device 8; Electrically-controlled valve 9 and pass to the supply line 10 of outer barrel 1, wherein said supply line distributes pallet by washing agent and is directed to outer barrel, distributes pallet from described washing agent, and washing agent can be transported in cleaning outer barrel 1 by the water (clear water) of input.Firing equipment 13 is positioned at outer barrel 1.Valve 9 and in addition firing equipment 13 can be controlled according to program circuit by cyclelog 12.Pressure sensor 15 is set, to measure the hydrostatic pressure p in outer barrel 1.
The demineralizer 17 be used for water desalination is set, in this embodiment, described demineralizer is reverse osmosis equipment, described reverse osmosis equipment is arranged between transfer valve 9 and outer barrel 1, especially arrange between valve 9 and soft water container 24 and/or hard water container 18, but, in this embodiment, the pipeline that described reverse osmosis equipment distributes on pallet 11 by means of washing agent is connected with outer barrel 1.In (unshowned) embodiment, demineralizer 17 can also be arranged between valve 9 and detergent disperser 11.But, demineralizer 17 is advantageously arranged to it need not when the input of each water for the object of desalination, if this is because the use of water on the one hand in cleaning process after desalination is not necessary and water on the other hand after desalination is only supplied the performance can saving desalination device in special program step.As depicted, in the process of rinsing, the water after desalination preferably should be used, and the water after particularly preferably should using desalination in the process of one of rinsing step subsequently.
In the first embodiment of washing machine as shown in Figure 1, a part (being called at present " soft water ") for the water after desalination stems from reverse osmosis, and this part water is collected in soft water container 24.For this purpose, demineralizer 17 is connected to soft water container 24 by means of the first soft water pipeline 25.Soft water container 24 is also connected to outer barrel 1 by means of the second soft water pipeline 27, thus the water (soft water) after desalination can be arranged on as required, and thus outer barrel 1 is interior is also arranged in laundry drum 2.
Between demineralizer 17 and soft water container 24, settle conductivity sensor 19, it is as the first sensor of the salt content for determining the water through demineralizer 17.
In the first embodiment as shown in Figure 1, the storage container 18(hard water container 18 of the water had compared with high salinity can also be arranged for) be connected to demineralizer 17 via the pipeline 26 for the water after desalination.Because demineralizer 17 used in this embodiment is reverse osmosis equipment, thus the water of the saliferous produced in the process of desalination be collected and in order to application subsequently, such as in order to initial flush circulation and be neutralized.
Flushing water memory 22 is also arranged in an illustrated embodiment, and this flushing water memory can store the water used in laundry rinse process.This water (so-called " flushing water ") especially may be used for clean cycle subsequently, if this water is the water after the prior desalination used in flushing process.For this purpose, flushing water memory 22 is by means of pipeline 23(" the first supply line for the water after desalination ") be connected to valve 9, described valve also controls clear water feeding mechanism.
The second conductivity sensor of the second sensor is provided as in the underside area of outer barrel 1.Utilize the second conductivity sensor 20, inorganic matter and organic content in flushing water can be determined after flushing process.For this purpose, the data stored in the internal memory of cyclelog 12 can be used in setting up salt and/or inorganic matter and organic type and the pipeline between concentration and electrical conductivity.Reference numeral 21 represents display device, and it is less than/equals the situation of S (min) for the L shown in the water that will the use S being less than/equaling in the flushing water in the situation of L (max) and/or outer barrel 1.The content S of inorganic matter and organic measurement and predetermined lower limit S (min) is contrasted and determine to reach or lower than S (min) after, stop supplying water to the outer barrel 1 of washing machine and laundry drum 2 and/or no longer carrying out rinsing step.
Fig. 2 shows the front cut-away illustration of the second embodiment of washing machine, and described washing machine has soft water container and the container shared for the water of saliferous and flushing water.
In the second embodiment as shown in Figure 2, the water (being called at present " soft water ") of partial deionization stems from reverse osmosis, and described water is collected in soft water container 24.For this purpose, demineralizer 17 is connected to soft water container 24 via the first soft water pipeline 25, and described soft water container is connected to outer barrel 1 by means of the second soft water pipeline 27 conversely.Water (soft water) after desalination therefore can be arranged in outer barrel 1 and in laundry drum 2 as required.
Between demineralizer 17 and soft water container 24, arrange conductivity sensor 19 in the first soft water pipeline 25, described conductivity sensor is used as the first sensor of the salt content for determining the water through demineralizer 17.
In the second embodiment as shown in Figure 2, be arranged on demineralizer 17 compared with the memory 18 of the water of high salinity by means of the first pipeline 26 of the water for saliferous for having.Because be used as demineralizer 17 for the second embodiment reverse osmosis equipment, thus the water of the saliferous produced in the process of desalination be collected and in order to application subsequently, such as in order to initial flush circulation be neutralized.For this purpose, the second pipeline 18 of the water being used for saliferous is set between hard water memory 18 and outer barrel.
In the second embodiment as shown in Figure 2, hard water container 18 is also used as flushing water memory 22, and wherein said flushing water memory can be stored in the water used in flushing process.If this water is the water of the prior desalination utilized in flushing process, then this water (so-called " flushing water ") can be particularly useful for clean cycle subsequently.For the second embodiment, flushing water memory 22(hard water container 22) be therefore connected to valve 9 by means of pipeline 23, described valve also controls clear water feeding mechanism.
The second embodiment as shown in Figure 2 especially achieves a kind of so method, and the method comprises the following steps in the process of one or more clean cycle:
A (), by means of demineralizer to the water desalination from water input system, such produced soft water is in the storage of soft water container, and such produced hard water stores up in hard water container;
B () uses the hard water from described hard water container in the first rinsing step; And
C () uses the soft water from described soft water container in last rinsing step.
The second conductivity sensor of the second sensor is provided as in the underside area of outer barrel 1.Use the second conductivity sensor 20, the inorganic matter in flushing water and organic content can be determined after being flushed.For this purpose, the data stored in the internal memory of cyclelog 12 can be used to set up salt and/or inorganic matter and organic type and the relation between concentration and electrical conductivity.Reference numeral 21 represents display device, and the S of its flushing water being greater than/equaling for the L showing the water that will use in the situation of L (max) and/or outer barrel 1 is less than/equals the situation of S (min).The content S of inorganic matter and organic measurement and predetermined lower limit S (min) is contrasted and determine to reach or lower than S (min) after, stop supplying water to the outer barrel 1 of washing machine and laundry drum 2 and/or no longer carrying out rinsing step.
Reference numerals list
1 outer barrel
2 laundry drums
The rotation of 3 cylinders
4 clothing agitators
5 shovels scoop equipment
6 washing lotions
7 clothings
8 water service devices
9 valves
10 supply lines
11 washing agent distribute pallet
12 cyclelogs
13 firing equipments
14 drive motors
15 pressure sensors
16 pumps
17 demineralizers
18 for storage container, the hard water container of the water of saliferous
19 first conductivity sensors
20 second conductivity sensors
21 display devices
22 flushing water memories
23 for the water of saliferous or the first supply line of flushing water
24 soft water containers
25 first soft water pipelines
26 for the first pipeline of the water of saliferous
27 second soft water pipelines
28 for the second pipeline of the water of saliferous
Claims (5)
1. a washing machine, described washing machine comprises outer barrel (1), laundry drum (2), water input system (8, 9, 10) and soap lye exhaust system, described soap lye exhaust system has emptying pump (16), cyclelog (12), for generation of the demineralizer (17) of the water of desalination, soft water container (24) and flushing water memory (22), the processing method performing clothing is arranged to by described washing machine, described method comprises at least one cleaning step and at least one rinsing step, and the water of desalination uses in rinsing step, wherein, water from the desalination of described demineralizer (17) is collected in described soft water container (24), and the water of the desalination used in rinsing step stores and is reused in cleaning process subsequently in described flushing water memory (22), it is characterized in that, the processing method of described clothing comprises the following steps in the process of one or more clean cycle:
A () makes the water desalination from described water input system (8,9,10) by means of described demineralizer (17), soft water produced like this stores in described soft water container (24), and such produced hard water stores in hard water container (18);
B () uses the hard water from described hard water container (18) in the first rinsing step; And
C () uses the soft water from described soft water container (24) in last rinsing step.
2. washing machine according to claim 1, is characterized in that, the water of desalination uses in one of subsequent rinse step.
3. according to the arbitrary described washing machine of aforementioned claim, it is characterized in that, first sensor (19) measures the salt content L left in the water of described demineralizer, and described salt content and predetermined higher limit L (max) are contrasted, if meet or exceed L (max), then show that demineralizer (17) exhausts.
4. washing machine according to claim 1 and 2, it is characterized in that, the second sensor (20) being arranged in described outer barrel (1) measures the inorganic matter of the available liquid of outer barrel and organic content S, and this content and predetermined value S (min) are contrasted, if reach or lower than S (min), then stop supplying water and/or no longer performing rinsing step.
5. washing machine according to claim 1 and 2, is characterized in that, uses from the water of described water input system and/or soft water or hard water in the second rinsing step between described first rinsing step and described last rinsing step.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102009055276A DE102009055276A1 (en) | 2009-12-23 | 2009-12-23 | Washing machine with desalting device |
| DE102009055276.6 | 2009-12-23 | ||
| PCT/EP2010/070209 WO2011076720A1 (en) | 2009-12-23 | 2010-12-20 | Washing machine having a desalination device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102666963A CN102666963A (en) | 2012-09-12 |
| CN102666963B true CN102666963B (en) | 2015-07-22 |
Family
ID=43770472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080058503.4A Expired - Fee Related CN102666963B (en) | 2009-12-23 | 2010-12-20 | Washing machine having a desalination device |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2516716B1 (en) |
| CN (1) | CN102666963B (en) |
| DE (1) | DE102009055276A1 (en) |
| EA (1) | EA021277B1 (en) |
| PL (1) | PL2516716T3 (en) |
| WO (1) | WO2011076720A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011086137B4 (en) * | 2011-11-11 | 2019-08-22 | BSH Hausgeräte GmbH | Washing machine with filtration device and method of operation |
| DE102012020098B4 (en) | 2011-11-11 | 2020-02-13 | BSH Hausgeräte GmbH | Washing machine with dye absorption system and method for its operation |
| WO2014101959A1 (en) | 2012-12-28 | 2014-07-03 | Arcelik Anonim Sirketi | A washing machine having an improved nanofiltration system and method thereof |
| CN103334262A (en) * | 2013-06-26 | 2013-10-02 | 无锡小天鹅股份有限公司 | Washing machine |
| TR201619764A2 (en) * | 2016-12-28 | 2018-07-23 | Arcelik As | A WASHING MACHINE WITH A WATER SOFTENING UNIT |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709085A1 (en) * | 1996-05-15 | 1997-11-20 | Miele & Cie | Washing laundry in household washing machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3505216A (en) * | 1967-10-30 | 1970-04-07 | Union Tank Car Co | Reverse osmosis water softening method and apparatus |
| DE1944397A1 (en) | 1969-09-02 | 1971-03-11 | Bosch Hausgeraete Gmbh | Washing machine or dishwasher |
| IT1259218B (en) * | 1992-07-06 | 1996-03-11 | Zanussi Elettrodomestici | PURIFICATION PROCESS OF WATER IN A WASHING MACHINE |
| US5520816A (en) * | 1994-08-18 | 1996-05-28 | Kuepper; Theodore A. | Zero waste effluent desalination system |
| DE19512011C2 (en) * | 1995-03-31 | 2000-07-27 | Aweco Appliance Sys Gmbh & Co | Process for preparing soft water in dishwashers or washing machines |
| DE29611091U1 (en) | 1996-06-25 | 1997-10-23 | AEG Hausgeräte GmbH, 90429 Nürnberg | Liquid-carrying household appliance with program control |
| NL1004629C2 (en) * | 1996-11-27 | 1998-05-28 | Gerardus Theodorus Antonius Ma | Method and system for washing textiles and the like. |
| DE19700155A1 (en) * | 1997-01-07 | 1998-07-09 | Henkel Kgaa | Continuous washing process with waste water recirculation |
| DE10212253A1 (en) * | 2002-03-20 | 2003-10-02 | Aweco Appliance Sys Gmbh & Co | Sensor unit for determining a water softener charge, consists of an ion exchange material filling and a volume measurement element |
| EA201171202A1 (en) * | 2009-04-06 | 2012-04-30 | Бсх Бош Унд Сименс Хаусгерете Гмбх | WATER SUPPORT DEVICE WITH A DEVELOPMENT DEVICE AND RELATED METHOD |
-
2009
- 2009-12-23 DE DE102009055276A patent/DE102009055276A1/en not_active Withdrawn
-
2010
- 2010-12-20 EP EP10790992.1A patent/EP2516716B1/en active Active
- 2010-12-20 WO PCT/EP2010/070209 patent/WO2011076720A1/en active Application Filing
- 2010-12-20 PL PL10790992T patent/PL2516716T3/en unknown
- 2010-12-20 CN CN201080058503.4A patent/CN102666963B/en not_active Expired - Fee Related
- 2010-12-20 EA EA201290566A patent/EA021277B1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19709085A1 (en) * | 1996-05-15 | 1997-11-20 | Miele & Cie | Washing laundry in household washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EA201290566A1 (en) | 2013-01-30 |
| EA021277B1 (en) | 2015-05-29 |
| WO2011076720A1 (en) | 2011-06-30 |
| DE102009055276A1 (en) | 2011-06-30 |
| PL2516716T3 (en) | 2015-04-30 |
| EP2516716A1 (en) | 2012-10-31 |
| EP2516716B1 (en) | 2014-11-05 |
| CN102666963A (en) | 2012-09-12 |
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Address after: Munich, Germany Applicant after: BSH HAUSGERATE GmbH Address before: Munich, Germany Applicant before: BSH BOSCH UND SIEMENS HAUSGERATE GmbH |
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