CN102933760B - For the method for process clothes at low temperatures and the washing machine being applicable to the method in washing machine - Google Patents

For the method for process clothes at low temperatures and the washing machine being applicable to the method in washing machine Download PDF

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Publication number
CN102933760B
CN102933760B CN201180027946.1A CN201180027946A CN102933760B CN 102933760 B CN102933760 B CN 102933760B CN 201180027946 A CN201180027946 A CN 201180027946A CN 102933760 B CN102933760 B CN 102933760B
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cylinder
ozone
air containing
clothing
washing machine
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CN102933760A (en
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H·埃格迈尔
A·哈瑙
H·绍布
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/001Washing machines, apparatus, or methods not otherwise provided for using ozone

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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)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The present invention relates to a kind of method for process clothes in washing machine (7), described washing machine has: bucket (1); Cylinder (2), described cylinder (2) is supported in bucket (1) rotationally, for holding the clothing (7) that will utilize ozone treatment; And for the device (20) of ozone supply, wherein, when there is no cleaning agent or washing assisant in cylinder (2), air containing ozone is directed into and is in being washed but still on the clothing of humidity (7), then performing rinse cycle to the clothing (7) in cylinder (2) at the temperature being no more than 35 ° of C in cylinder (2).The invention still further relates to a kind of washing machine being particularly suitable for described method.

Description

For the method for process clothes at low temperatures and the washing machine being applicable to the method in washing machine
Technical field
The present invention relates to a kind of in washing machine for the method for process clothes at low temperatures and a kind of washing machine being suitable for described method.In particular, the present invention relates to a kind of for utilizing the method for ozone process clothes at low temperatures.
Background technology
Recently, there is the trend of washing clothes at low temperatures.This trend is subject to the so-called cold cleaning agent support being particularly suitable for this object.But experience shows, the ability of the bacterium that the performance of the health aspect of cleaning agent system, i.e. its reduction may be harmful to reduces along with the decline of washing problem.Can contribute to reducing the standard bleaching system of bacterial population to work slowly or completely invalid under temperature <30 ° of C.Truth is, can obtain specific enzyme component, but these enzyme components only part is effectively, and often very expensive and be usually not suitable for storing.
Therefore, in washing machine, sometimes use electrochemical bleaching agent generator, such as, for being formed the titanium-iridium electrode of clorox or the silver electrode for the manufacture of silver ion by the water comprising sodium chloride.Also be well known that, by using boron-doped diamond electrode process or carrying out disinfection to water, directly to produce hydroxy radical by water, it is efficient bleaching agent.
But these methods have numerous deficiency.Hydroxy radical can decompose relatively quickly, therefore must produce constantly again.Silver ion works rapidly, forms insoluble compound with other compositions in water.Waste water also comprises heavy metal, and residue can be formed on clothing.Clorox leaves obvious chlorine flavor on processed clothing.
Be well known that, finally use ozone to remove smell, and usually also in order to the health of home appliances is considered.Ozone is the one in the most effective oxidant, and in large quantities such as in paper industry, such as, as efficient and environmentally friendly bleaching agent.Ozone is also used for bleaching and sterilization fabric in industrial laundry care.Ozone has the following advantages, and it can not produce the product of any hostile environment, and in use can divide and take off and can not leave residue.But it has following deficiency: it can not store, because ozone always just must produce when being about to use.
Therefore, recently, in home appliances, particularly washing machine or another laundry care appliance, ozone is used to become more and more attractive.Ozone is not only strong disinfectant, and it also can react to each other with the care agent that uses in home appliances or cleaning agent, and to produce complicated and to react fast, this can improve nursing or cleaning action.
WO2007/143785A1 describes a kind of for ozone being imported system in washing machine and device.This system comprises manages for ozone is imported the first pipe wash fluid entrance from ozone supply device and is used for ozone being delivered to second in the region above washing chamber.Venturi nozzles is for importing ozone and being mixed with wash fluid by ozone.Venturi nozzles is operatively connected to wash fluid inlet device at this, to be sucked in wash fluid by ozone when wash fluid is assigned in bucket.
WO2008/119631A1 describes a kind of washing machine, and wherein, the microorganism in cleaning agent distributor, namely existed in distribution plate is eliminated by directly being imported distribution plate from ozone generation device by ozone.In one embodiment, water and ozone import in distribution plate simultaneously, and therefore, ozone/aqueous mixtures passes through distribution plate.This possibility of overflowing from washing machine for minimizing ozone.
US2008/0302139A1 discloses a kind of continuous batch washer, it comprises for multiple regions of washing clothes continuously, two points for injection of ozone, water loop water inlet and water out coupled together and ozone generation device, and described water loop comprises water reservoir vessel and for by the Wen injector of ozone dissolved in water.Negative pressure or vacuum can be applied to continuous batch washer by means of ozone removal device, reveal to prevent ozone.Fan can be used for producing negative pressure.Ozone that is too much or that discharge can be converted to normal oxygen by catalytic reaction mode in ozone removal device.
US2006/0096138A1 describes a kind of for monitoring ozone and controlling the system of ozone to the supply of washing machine.When ozone sensor detection exceedes fixing ozone limiting value, and when exceeding, ozone generation device is stopped, until ozone concentration rolls back below described limiting value again.Ozone is not provided to remove measure.
DE3232057A1 describes a kind of cleaning machine for clothing, tableware etc., it has reservoir vessel for cleaning agent and ozone generation device, the ozone supply pipeline leading to ozone generation device is connected to the exit of ozone generation device, to carry out ozone treatment to cleaning agent.In one embodiment, pipeline is released and the removal ozone equipment that is made up of heater coil is configured to reservoir vessel.Fig. 1 shows a kind of washing machine, and wherein, ozone generation device has compressor, and ozone can required high pressure be flowed in reservoir vessel.Flow structure serves as releasing pipeline, and the air produced under the low pressure above cleaning agent liquid level overflows by described releasing pipeline.Flow structure can be provided with heater at this, and described heater is heated to the high temperature that any residue ozone that can make to exist in air destroyed before air reaches surrounding environment.Alternatively such as provide charcoal filter.
DE102008024322A1 describes a kind of dish-washing machine, it has washing container, ozone generation device for making washings enter the feeding pipe in washing container and have air feeder, described ozone generation device is connected to injector nozzle, the ozone/air mixture produced by it to be mixed with last washings.
WO2008/000813A1 describes a kind of washing machine, and it has ozone generation device, and described ozone generation device is activated after clothing washs.Then ozone be supplied to laundry drum and do not mix with washings.In certain embodiments, when ozone imports, clothing is still in cylinder, and cylinder turns left and right when ozone imports.
The reactivity that ozone is high means, the suitable moment use ozone for ozone effective use be important, make disadvantageous chemical reaction to consume ozone.In addition, the dissolubility of ozone in water is relatively poor.
DE10103905A1 describes a kind of apparatus and method for drying clothes, its use keep the container of clothing, for transmit air fan, for heating by the heater of air that transmits and central controller, the air being supplied to clothing to be dried mixes with ozone.
CH687030A5 describes a kind of device for removing water from fabric, it has the cylinder being provided with through hole, described cylinder can be rotated around its axis by motor, and keep the article will removing water, described cylinder embeds in the cylinder opened wide at top, and have for the tapping equipment from the isolated fluid of article, be provided with fan heater, described fan heater can for entering the air conductance of heating in the cylinder of rotation in device operating process.Compared with traditional centrifugal drying machine, this accelerates the removal operation of water more significantly.Can ozone lamp be provided, with to the thermal air current ozone supply imported in cylinder, thus while removal water, article be carried out disinfection.
EP1980660A1 describes a kind of washing machine, comprising: for accommodating laundry and the container handling for washing the clothing held with centrifugal rotation drying; Ozone generating apparatus; For the ozone supply that will the produce device to container handling or air duct; For air washing and/or the actuation switch performing mould control operation; For operating the control unit controlled for air washing and/or mould of ozone generating apparatus and feedway and optional fan in a predetermined manner in response to the instruction from actuation switch." air washing " refers at this and utilizes the air containing ozone replace water sterilization or carry out deodorizing to clothing.Ozone preferably by heat activation, to improve sterilization or odor removal efficient.
EP1932962A1 describes a kind of drumdrier, and it has container handling, and clothing is dry in described container handling; The ozone generation device being in the fan in dry air passage and being positioned at outside dry air passage, to produce ozone, then ozone is delivered to outlet by the air obtained from outside.In one embodiment, outlet is connected to the part being positioned at fan unit upstream of dry air passage.Can provide ozone supply controller, the ozone produced by ozone generation device only just imports in container handling when showing that dry unit provides predetermined dried level by described ozone supply controller.Ozone generation device is arranged in described washing machine together with ozone supply controller, described ozone supply controller in the process of water removal step by produce ozone supply to container handling.
WO2010/003944A1 describes a kind of washing machine, and it comprises container, and washing operation performs in the above-described container; Cylinder, it is positioned in container, and the mobile clothing be placed in cylinder; And ozone generation device, described ozone generation device produces ozone and by means of the opening on container, it is supplied to described container, ozone generation device only in centrifugal dehydration cyclic process to ozone supply for receptacles, the now positive high speed rotating of cylinder.Because ozone gas does not only supply in centrifugal rotation dewatering cycle process in main washing step, therefore ozone gas can not affect the chemical constituent of the cleaning agent of use.
Summary of the invention
Relative to this background technology, the object of this invention is to provide a kind of method for process clothes in washing machine, wherein, ozone can be used very efficiently.A kind of washing machine being suitable for described method is also object of the present invention.
Object of the present invention is realized by a kind of method described in corresponding independent claims and washing machine.The preferred embodiments of the present invention are recorded in the corresponding dependent claims in detail.The preferred embodiment of washing machine of the present invention is corresponding with the preferred embodiment of method of the present invention, even without pointing out this point clearly.
Therefore, the present invention proposes a kind of method for process clothes in washing machine, described washing machine has: bucket; Cylinder, described cylinder is supported in bucket rotationally, for holding the clothing that will utilize ozone treatment; And for the device of ozone supply, wherein, when there is no cleaning agent or washing assisant in cylinder, air containing ozone be directed into being in cylinder be no more than 35 ° of C, be particularly no more than the temperature of 30 ° of C under washed but still on the clothing of humidity, then in cylinder clothing perform rinse cycle.
Device for ozone supply can particularly ozone generation device or enter opening or intermediate storage unit for the air containing ozone.
In the method for the invention, utilize ozone to after the processing procedure of the clothing in cylinder being rinse cycle for described clothing, in this rinse cycle, clothing utilizes fresh water rinse again, and removes in any residual air that can remain from clothing and bucket of ozone.
In the method for the invention, the air containing ozone preferably imports in cylinder after penultimate rinse cycle.Particularly preferably be, the air containing ozone in the end imports in cylinder before a rinse cycle.
For this reason, clothing is centrifuged rotary dehydration usually after washing process and the execution of one or more rinse cycle terminate.At this, by implementing the expectation humidity of centrifugal rotation dehydration setting clothing.
According to the present invention, preferably, the air containing ozone imports when cylinder is substantially static, and more preferably, cylinder keeps static in this process." substantially static " particularly refers at this, cylinder with maximum 50 circles/minute the air that is less than containing ozone of the duration of speed operation import 20% of duration.
The importing of the air containing ozone preferably continues 1-10 minute, more preferably continues 3-7 minute.
In the particularly preferred embodiment of the one of this method, the air containing ozone imports 1-10 minute when cylinder is static, the particularly duration of 3-7 minute.
After the importing of the air containing ozone has terminated, cylinder is preferably with the rotation mode operation that commutates.When commutate rotation mode, cylinder preferably with 35-55 circle/minute, more preferably with 40-50 circle/minute speed rotate.In this process, cylinder preferably only rotates 1-5 time, particularly 2-3 time.
Before cylinder direction changes, advantageously can carry out short pause, in this pause process, cylinder is motionless.This pause such as sustainable 5-15 second, particularly 10 seconds.
After cylinder is with the rotation mode operation that commutates, the air containing ozone preferably imports again when cylinder is substantially static.The duration that the first time that the duration of importing that is new or that repeat is shorter than the air containing ozone usually imports, is preferably the 10-30% of this duration first time.If the air first time such as containing ozone imports the duration of 5 minutes, then the duration of the new importing of the air containing ozone is preferably about 60 seconds.
Cylinder can advantageously repeat with the importing of the operation of the rotation mode that commutates and the air containing ozone.
Preferably performed when not importing the air containing ozone by least last three the commutation rotation periods formed that turn left and right of cylinder.This makes ozone concentration reduce gradually in efficient especially mode.Particularly advantageously, then another rinse step is performed, because in this process, any air containing ozone is discharged by from cylinder by the water flowed into.Now, aforementioned the minimizing of ozone concentration can prevent undesirable ozone from discharging.
The characteristic of clothing that duration of method of the present invention is normally pending and the function of useful load.Exquisite clothing and little useful load need the shorter method duration than the clothing of non-exquisiteness and large useful load usually.The duration of method of the present invention is generally approximate 20-40 minute, particularly approximate 30 minutes.
In a preferred embodiment of method of the present invention, the characteristic of clothing and useful load can be detected by suitable device or automatically set before the air containing ozone imports.
Laundry care agent also can adopt when needed in last rinse step.
Term " cleaning agent " and " washing assisant " are not particularly limited as used herein.They are surface-active chemicals normally.Washing assisant in meaning of the present invention is fabric softener or another laundry care agent particularly.
Preferably, the concentration of the cleaning agent of the air containing ozone only in cylinder and/or washing assisant does not exceed higher limit c limin time, just imports in cylinder.Cleaning agent in cylinder and/or the concentration c of washing assisant are preferably measured by means of sensing system at this.
For this reason, in the washing machine for performing this method, be preferably provided for determining the suitable sensor of the concentration of cleaning agent in cylinder and/or washing assisant.Suitable sensor can be such as optical pickocff, conductivity sensor or tensometer.Measuring-signal can be sent to the control unit that washing machine has usually, to process further by means of holding wire by this sensor.
According to the present invention, also preferably, the air containing ozone is transmitted through cylinder by means of fan.
Especially, two modification are suitable for the air containing ozone to import in cylinder:
In the first modification, by ozone generation device produce containing the air transmitted of ozone washing but still on the clothing of humidity, then transporting through from ozone generation device the loop comprising cylinder and circular air channel when the ozone supply usually such as separated by means of adjustable closedown device in cylinder and in cylinder.
Unlike, in the second modification, the air containing ozone produced by ozone generation device does not pass through loop.On the contrary, the air containing ozone of importing retains in cylinder at this expects duration, is then thrown aside by suction or pumping alternatively.
In a particularly preferred embodiment of method of the present invention, the air containing ozone transmits in the loop comprising cylinder and circular air channel.
Preferably provide ozone sensor in the loop, to measure the change of ozone concentration and such as to stop over time utilizing ozone to the process of clothing or the further ozone feeding starting the device from ozone supply in response to the ozone concentration measured and/or its.
The device of ozone supply can advantageously separate by means of first adjustable closedown device and loop.First adjustable closedown device is typically connected to the control unit of washing machine, and described control unit can such as in response to the number of opening of the adjustable closedown device of the signal enabling first too low from the ozone in the expression loop of ozone sensor.
The ozone concentration used in method of the present invention is usually based on the characteristic of the clothing in cylinder and the process intensity (such as, bleaching) of useful load and expectation, and the process intensity of this expectation also can be the expectation strength to preventing from damaging.
Air containing ozone enters in cylinder preferably by the seal in the region of the loading opening of cylinder.Also preferably, the air containing ozone leaves cylinder by the rear portion outlet of cylinder.
Object of the present invention also relates to a kind of washing machine, and described washing machine has: bucket; Cylinder, described cylinder is supported in bucket rotationally, for holding pending clothing; Control unit; And for the device of ozone supply, in described washing machine, described device is connected to cylinder by means of ozone supply pipeline, control unit is configured for the method performing the clothing utilized in ozone treatment cylinder, wherein, when there is no cleaning agent or washing assisant in cylinder, the air containing ozone is directed into being in cylinder and is no more than being washed but still on the clothing of humidity, and then performing rinse cycle to the clothing in cylinder at the temperature of 35 ° of C.
In a preferred embodiment of described washing machine, fan is arranged on first row and drops a hint in subchannel or circular air channel, and first row is dropped a hint, subchannel bifurcated goes out circular air channel and second row and to drop a hint subchannel, first adjustable closedown device is arranged in ozone supply pipeline, second adjustable closedown device is arranged on second row and drops a hint in subchannel, and the 3rd adjustable closedown device is arranged in circular air channel.
In the similar preferred embodiment of the one of described washing machine, ozone supply pipeline is connected to cylinder by means of seal, and first row is dropped a hint, subchannel is connected to cylinder by means of the rear portion outlet of cylinder.
Device for ozone supply is preferably ozone generation device.Ozone generation device in washing machine is supplied to air usually, and ozone generation device produces ozone by this air.Ozone can produce in a different manner at this, and such as produce by means of UV lamp generator lower than the UV radiation irradiation oxygen of 200nm by utilizing, or produce by means of corona discharge, in corona discharge, oxygen exposure is under the discharge process of corona form.
The preferred ozone supply generator of dry air, because the surrounding air using dry air to have normal air humidity than use can obtain obviously higher ozone output.Standard drying device may be used for dry air, and these drying devices preferably can remove moisture in reversible mode, such as, use zeolite.Preferred use peltier-element, described peltier-element can play the function of the cold-finger for ozone generation device in air feed path.Condensate moisture in air on the cold side of peltier-element, and is conducted away, and evaporates in the hot side of peltier-element or evaporate independently.Air can be supplied to ozone generation device by means of pump or fan.
Washing machine of the present invention preferably has at least one ozone sensor, so that can the enforcement of method of monitor and forecast the invention described above.
Should prevent ozone from discharging from dish-washing machine.
Therefore, in one embodiment of the invention, the distribution plate be usually present in washing machine can be isolated with bucket and cylinder.This such as can have the filling flexible pipe realization of siphon function by configuration between distribution plate and bucket, this filling flexible pipe guarantees sealing by means of aqueous fluids.
Alternatively or additionally, washing machine of the present invention preferably has ozone removal device and fan and/or suction pump, and the air containing ozone can be aspirated through ozone removal device by this fan and/or suction pump.
Ozone particularly in ozone removal device by being adsorbed on suitable material or being decomposed and being removed.Decompose and such as such as by making ozone and suitable material generation chemical reaction realize, or can be decomposed by catalytic reaction mode, such as to form oxygen.
In a preferred embodiment of washing machine of the present invention, ozone removal device comprises filter unit, and this filter unit preferably includes the material or another material that can easily be oxidized that comprise carbon.At this also preferably, the material comprising carbon is from at least one material of next group selection: activated carbon, poly (arylene sulfide), poly (arylene ether) and macroporous copolymer.
Activated carbon is particularly preferably as the material comprising carbon.Activated carbon is formed carbon dioxide by ozone decomposed usually, and the amount of the activated carbon in filter unit is little by little reduced.This reduction can be monitored in the glass height meter on ozone removal device.If needed, the user of washing machine now can judge whether filter unit such as still normally works owing to wherein still having enough activated carbon.
The ozone generation device preferably used in washing machine of the present invention produces the ozone of approximate 20mg/h-30mg/h.At this, for the whole duration of work of washing machine, usually use the filter unit of the activated carbon of the about 10g of filling just enough.
If have ozone removal device, this ozone removal device can have the catalyst for ozone decomposition, such as, for ozone being converted to the catalyst of oxygen, with alternative filter unit or be additional to filter unit.
Ozone removal device is preferably arranged on second row and drops a hint in subchannel.In dropping a hint subchannel at second row, transmit the air containing ozone, fan and/or suction pump preferably can be arranged on described second row and drop a hint in subchannel.If there is fan in first row drops a hint subchannel, then need not fan and/or suction pump be set in second row drops a hint subchannel.
Also advantageously, when the operation that ozone generation device has been turned off and/or ozone transports through cylinder in the loop stops, fan also operates scheduled duration again.
User also can be made only or just can to open the door of washing machine after the importing of ozone has terminated after ozone generation device stops.
Second row subchannel of dropping a hint can lead to the placement space of washing machine, because discharged air only comprises a small amount of carbon dioxide, and does not have other any harmful compositions.
Washing machine preferably has optics and/or acoustics annunciator, and it can be used for showing the situation that the ongoing state of method of the present invention, the end of described method or ozone removal device work not correctly.
Also may be provided in ozone sensor airflow direction being positioned at ozone removal device downstream, whether correctly work to monitor ozone removal device.
At least one ozone sensor described preferably used in the method for the invention based on various measuring principle, also can apply different measuring principles in washing machine.
In a particularly preferred embodiment of method of the present invention, ozone sensor can determine ozone concentration, and wherein, ozone can change its resistance in reversible mode to the effect of the material existed in ozone sensor.
Indium oxide such as can be used as this material.The resistance of indium oxide is such as owing to being changed by ozone oxidation, but it can regenerate simply and fastly by means of cold light chemical reduction reaction process.Thus such as, the resistance of the indium oxide layer that 15nm is thick changes in the mode proportional with ozone concentration due to oxidation.Indium oxide layer can such as be applied on the rear surface of purple-light LED (LED).When LED is activated, oxidized indium oxide layer and then ozone sensor regenerate by means of cold light chemical reduction reaction process.
Control unit is present in washing machine of the present invention usually, and it is except controlling method of the present invention, also can take counter-measure when ozone is removed and can not be carried out.Therefore, such as, can not carry out if ozone is removed, then control unit can make ozone generation device stop and/or on annunciator, produce corresponding acoustics and/or optical notification.
Washing machine usually also has cleaning solution exhaust system and usually also has agitator and/or the device that bails, and this cleaning solution exhaust system is arranged on the bottom of the tub, and has emptying pump.Washing machine preferably also comprises the pressure sensor and/or temperature sensor that are arranged in bucket, and these sensors are preferably arranged in the lower area of bucket, makes pressure and/or the temperature of the aqueous fluid can measured in bucket.
The present invention has many merits.Ozone and clothing direct contacts and prevents ozone from being consumed by the cleaning agent that remains or dirt.Finally, the dissolubility of ozone in water is not very good, and ozone in water than decomposing more quickly in atmosphere.Method of the present invention makes ozone can mainly act on the surface of clothing.Thus, required ozone amount and action time thereof can be reduced.Except discoloration, ozone also has freshization effect at this, makes the feeling of freshness by the clothing washed with open air drying.Finally, the temperature of cleaning solution need not raise to reach discoloration, because bleaching can not occur as the part in actual laundering stage.When use does not comprise the liquid cleaner of bleaching agent usually, the present invention can realize heavy duty cleaner function.Finally, when method of the present invention uses at the end of clothes processing method, clothing and surface also can be sterilized, thus prevent or at least reduce the biomembranous formation in washing machine.
The present invention also has the following advantages: can simply and efficiently prevent undesirable ozone from discharging.
Accompanying drawing explanation
Below, in more detail the present invention is described referring to the exemplary washing machine shown in Fig. 1.Other embodiments also can be expected.
Detailed description of the invention
Washing machine shown in Fig. 1 has bucket 1, and cylinder 2 is supported in bucket 1, makes cylinder 2 to rotate around the approximate horizontal pivot center 3 of cylinder 2 and can be handled by drive motors 14.Long arrow represents the rotation direction of cylinder 2.Be positioned at the agitator 4 on the inside of cylinder shell and strengthen the flowing of cleaning solution 6 through clothing 7 for the device 5 that bails of cleaning solution 6.
Washing machine has cleaning solution feed system, described cleaning solution feed system comprises for the water connection fittings of service water pipe network 8, electrically-controlled valve 9 and the feeding pipe 10 to bucket 1, described feeding pipe 10 is by way of cleaning agent distributor (distribution plate) 11, and the cleaning agent of deal can be transported to bucket 1 from cleaning agent distributor by the water of inflow.Syphon structure 21 is arranged in feeding pipe 10, and described syphon structure 21 is full of aqueous fluids, thus isolation distribution plate 11, enters from bucket 2 to prevent the air containing ozone.
The device for ozone supply of the form of ozone generation device 20 is become simply to illustrate by means of ozone supply pipeline 25 and by means of in seal 24(only view in FIG) be connected to cylinder 2 at loading opening 23 place of cylinder 2, there is first adjustable closedown device 27 in ozone supply pipeline 25.First row drop a hint subchannel 33 be connected to cylinder 2 rear portion outlet 32.Fan 19 and ozone sensor 31 are arranged in first row and drop a hint subchannel 33.First row subchannel 33 bifurcated of dropping a hint goes out circular air channel 26 and second row and to drop a hint subchannel 17.Air containing ozone can transmit in primary Ioops, and described loop comprises circular air channel 26 and cylinder 2.Short arrow shows the flow direction of the air containing ozone.Ozone generation device 20 is supplied to surrounding air by means of air feed path 30 and the drying device 16 of the upstream being connected to air feed path 30.
On the one hand, when second adjustable closedown device 34 that second row is dropped a hint in subchannel 17 is closed and the 3rd adjustable closedown device 35 in circular air channel 26 is opened, fan 19 transmits the air containing ozone in the loop by means of circular air channel 26.But, if the 3rd adjustable closedown device 35 is closed and second adjustable closedown device 34 is opened, then the air containing ozone can be sent to second row and drop a hint in subchannel 17 by fan 19, and ozone removal device 18 is arranged in described second row and drops a hint subchannel 17.Thus the air containing ozone can stop transporting through cylinder 2 in the loop, and unnecessary ozone is destroyed in ozone removal device 18.Then cleaned air is sent in the placement space of washing machine by means of second row subchannel 17 of dropping a hint.
Filter unit 28 is arranged in ozone removal device 18, and in the exemplary embodiment described herein, described filter unit 28 comprises activated carbon as the material comprising carbon.Annunciator 29 is positioned on the washing machine of the embodiment illustrated herein, for showing the execution of method of the present invention and/or the removal improperly of ozone with acoustically and/or optical mode.
The transmission of air in ozone supply pipeline 25 and air feed path 30 can be helped by fan (not shown at this).
The washing machine described in Fig. 1 shows two kinds of modification of the air-treatment clothing utilized containing ozone.
In the first modification, by ozone generation device 20 produce containing the air transmitted of ozone in cylinder 2, then transport through from ozone generation device 20 loop comprising cylinder 2 and circular air channel 26 when the usual ozone supply separated by means of first adjustable closedown device 27.
Unlike, in the second modification, the air containing ozone produced by ozone generation device 20 does not pass through loop.For this reason, the 3rd adjustable closedown device 35 is closed.On the contrary, the air containing ozone keeps the period expected in cylinder 2, and then is thrown aside by means of second row subchannel 17 of dropping a hint by opening second adjustable closedown device 34.
In addition, heater 13, be arranged in the bucket 1 of this embodiment for the pump 22 that pumped out from bucket 1 by aqueous fluid and the sensor 15 that is used for the concentration measuring cleaning agent and/or washing assisant.These components and valve 9, drive motors 14, ozone generation device 20, adjustable closedown device 27,34,35, ozone sensor 31 and fan 19 be connected to control unit 12 in washing machine, described control unit 12 can control washing machine according to programming, described programming can based on time-program(me) and/or the measured value whether reaching some parameter, and described parameter is such as cleaning solution liquid level, cleaning solution temperature, drum speed, ozone concentration, cleaning agent and/or washing assisant concentration etc.
In order to perform the method for the present invention for the treatment of the clothing 7 in described washing machine, the air containing ozone imports in cylinder 2, now there is no, does not preferably have cleaning agent or washing assisant to be arranged in cylinder 2.Therefore, in this embodiment, the air containing ozone imports in cylinder 2 after penultimate rinse cycle.Under any circumstance, the air containing ozone is only at the higher limit c of the concentration of the cleaning agent do not exceeded in cylinder and/or washing assisant limjust import in cylinder 2.
In order to determine this point, the concentration c of cleaning agent and/or washing assisant is measured by means of sensing system 15.
In the embodiment illustrated herein, the air containing ozone transports through cylinder 2 by means of fan 19, and at this, the air containing ozone transmits in the loop comprising cylinder 2 and circular air channel 26.For this reason, the air containing ozone is sent in cylinder 2 by the seal 24 in the region of loading opening 23, leaves cylinder by the rear portion outlet 32 of cylinder 2.
In the exemplary embodiment described herein, it is static that cylinder 2 imports in the process of cylinder 2 at the air containing ozone, and only just operates with the rotation mode that commutates after the importing of the air containing ozone has stopped.Air containing ozone also imports after penultimate rinse cycle He before last rinse cycle, after washings discharge, before the air containing ozone imports, performs the centrifugal rotation water smoking.
Reference numerals list
1 barrel
2 cylinders
3 pivot centers
4 agitators
5 bail device
6 cleaning solutions
7 clothings
8 service water pipe networks
9 electrically-controlled valve
The feeding pipe of 10 to bucket
11 cleaning agent distributors, distribution plate
12 control units
13 heaters
14 drive motors
15 for determining sensor 16 drying device of cleaning agent or washing assisant
17 second rows are dropped a hint subchannel
18 ozone removal devices
19 fans
20 ozone generation devices
21 syphon structures
22 pumps
23 loading openings
24 seals
25 ozone supply pipelines
26 circular air channel
27 first adjustable closedown devices
28 filter units
29 annunciators
30 for the air feed path of ozone generation device
31 ozone sensors
The rear portion outlet of 32 cylinders
33 first rows are dropped a hint subchannel
34 second adjustable closedown devices
35 the 3rd adjustable closedown devices

Claims (14)

1. for a method for process clothes in washing machine (7), described washing machine has: bucket (1), cylinder (2), described cylinder (2) is supported in bucket (1) rotationally, for holding the clothing (7) that will utilize ozone treatment, and for the device (20) of ozone supply, wherein, when there is no cleaning agent or washing assisant in cylinder (2), air containing ozone be directed in cylinder (2) be at the temperature being no more than 35 DEG C washed but still on the clothing of humidity (7), it is characterized in that, cleaning agent in cylinder (2) and/or the concentration of washing assisant are measured by means of sensing system (15), the concentration of the cleaning agent of the air containing ozone only in cylinder (2) and/or washing assisant just imports in cylinder (2) when not exceeding higher limit, then rinse cycle is performed to the clothing (7) in cylinder (2).
2. the method for claim 1, is characterized in that, the air containing ozone imports in cylinder (2) after penultimate rinse cycle.
3., as the method as described in arbitrary in foregoing Claims, it is characterized in that, the air containing ozone imports when cylinder (2) is substantially static.
4. method as claimed in claim 3, it is characterized in that, the air containing ozone imports the duration of 1-10 minute when cylinder (2) is static.
5., as the method as described in arbitrary in claim 1-2,4, it is characterized in that, cylinder (2) after the importing of the air containing ozone has terminated with the rotation mode operation that commutates.
6. method as claimed in claim 5, is characterized in that, after cylinder (2) is with the rotation mode operation that commutates, the air containing ozone imports again when cylinder (2) is substantially static.
7., as the method as described in arbitrary in claim 1-2,4,6, it is characterized in that, the air containing ozone is transmitted through cylinder (2) by means of fan (19).
8. method as claimed in claim 7, it is characterized in that, the air containing ozone transmits in the loop comprising cylinder (2) and circular air channel (26).
9. as the method as described in arbitrary in claim 1-2,4,6,8, it is characterized in that, the air containing ozone is entered in cylinder (2) by the seal (24) in the region of loading opening (23).
10. as the method as described in arbitrary in claim 1-2,4,6,8, it is characterized in that, the air containing ozone leaves cylinder (2) by rear portion outlet (32) of cylinder (2).
11. 1 kinds of washing machines, described washing machine has: bucket (1), cylinder (2), described cylinder is supported in bucket (1) rotationally, for holding pending clothing (7), control unit (12), and for the device (20) of ozone supply, wherein, device (20) is connected to cylinder (2) by means of ozone supply pipeline (25), control unit (12) is configured for the method that execution utilizes the clothing (7) in ozone treatment cylinder (2), wherein, when there is no cleaning agent or washing assisant in cylinder (2), air containing ozone be directed in cylinder (2) be at the temperature being no more than 35 DEG C washed but still on the clothing of humidity (7), it is characterized in that, described washing machine has the sensing system (15) of the concentration for determining cleaning agent and/or washing assisant, cleaning agent in the method intermediate roll (2) of the described clothing (7) utilized in ozone treatment cylinder (2) and/or the concentration of washing assisant are measured by means of sensing system (15), the concentration of the cleaning agent of the air containing ozone only in cylinder (2) and/or washing assisant just imports in cylinder (2) when not exceeding higher limit, and then rinse cycle is performed to the clothing (7) in cylinder (2).
12. washing machines as claimed in claim 11, it is characterized in that, fan (19) is arranged on first row and drops a hint in subchannel (33) or circular air channel (26), and first row is dropped a hint, subchannel (33) bifurcated goes out circular air channel (26) and second row and to drop a hint subchannel (17), and first adjustable closedown device (27) be arranged in ozone supply pipeline (25), second adjustable closedown device (34) is arranged on second row and drops a hint in subchannel (17), 3rd adjustable closedown device (35) is arranged in circular air channel (26).
13. washing machines as claimed in claim 12, it is characterized in that, ozone supply pipeline (25) is connected to cylinder (2) by means of seal (24), first row drop a hint subchannel (33) by means of cylinder (2) rear portion outlet (32) be connected to cylinder (2).
14. washing machines as described in claim 12 or 13, it is characterized in that, device (20) is ozone generation device.
CN201180027946.1A 2010-06-09 2011-05-31 For the method for process clothes at low temperatures and the washing machine being applicable to the method in washing machine Active CN102933760B (en)

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DE102010029885A DE102010029885A1 (en) 2010-06-09 2010-06-09 Method for treating laundry in a washing machine at low temperature and suitable washing machine for this purpose
PCT/EP2011/058873 WO2011154277A1 (en) 2010-06-09 2011-05-31 Method for treating laundry in a washing machine at low temperature and washing machine suitable for said method

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