CN102933760A - Method for treating laundry in a washing machine at low temperature and washing machine suitable for said method - Google Patents
Method for treating laundry in a washing machine at low temperature and washing machine suitable for said method Download PDFInfo
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- CN102933760A CN102933760A CN2011800279461A CN201180027946A CN102933760A CN 102933760 A CN102933760 A CN 102933760A CN 2011800279461 A CN2011800279461 A CN 2011800279461A CN 201180027946 A CN201180027946 A CN 201180027946A CN 102933760 A CN102933760 A CN 102933760A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/001—Washing machines, apparatus, or methods not otherwise provided for using ozone
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Abstract
The invention relates to a method for treating laundry (7) in a washing machine, which comprises a suds container (1), a drum (2) rotatably supported in the suds container (1) for accommodating the laundry (7) to be treated with ozone, and a device (20) for providing ozone, wherein ozone-containing air at a temperature of no more than 35 DEG C is introduced into the drum (2) onto washed laundry (7) that is in the drum (2) and that is still damp, while substantially no detergents or washing additives are in the drum (2), and wherein subsequently a rinsing process is carried out for the laundry (7) in the drum (2). The invention further relates to a washing machine that is especially suitable for said method.
Description
Technical field
The present invention relates to a kind of at low temperatures method and a kind of washing machine that is suitable for described method of process clothes of in washing machine, being used for.In particular, the present invention relates to a kind of be used to utilizing the at low temperatures method of process clothes of ozone.
Background technology
Recently, the at low temperatures trend of washing clothes has appearred.This trend is subject to particularly being suitable for the so-called cold cleaning agent support of this purpose.Yet experience shows, the performance of the health aspect of cleaning agent system, is that the ability of its reduction bacterium that may be harmful to reduces along with the decline of washing problem.The standard bleaching system that can help to reduce bacterial population works very slow or fully invalid under ° C of temperature＜30.Truth is, can obtain specific enzyme component, but these enzyme components only part effectively, and often very expensive, and usually be not suitable for storing.
Therefore, sometimes in washing machine, use electrochemical bleaching agent generator, for example, be used for forming the titanium-iridium electrode of clorox or for the manufacture of the silver electrode of silver ion by the water that comprises sodium chloride.Be well known that also by using the boron-doped diamond electrode processing or water being carried out disinfection, so that directly by the water generates hydroxy radical, it is efficient bleaching agent.
Yet these methods have numerous deficiencies.Hydroxy radical can decompose relatively quickly, therefore must produce constantly again.Silver ion works rapidly, forms insoluble compound with other compositions in the water.Waste water also comprises heavy metal, and residue can be formed on the clothing.Clorox stays obvious chlorine flavor at processed clothing.
Be well known that, use at last ozone to remove smell, and usually also consider for the health of home appliances.Ozone is a kind of in the most effective oxidant, and for example is used for paper industry in large quantities, for example, and as efficient and environmentally friendly bleaching agent.Ozone also is used for bleaching in industrial laundry care and the sterilization fabric.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 stay residue.Yet it has following deficiency: it can not store, because ozone always must just produce when being about to use.
Therefore, recently, in family expenses utensil, particularly washing machine or another laundry care appliance, use ozone to become more and more attractive.Ozone is not only strong disinfectant, and it also can react to each other with the care agent or the cleaning agent that use in the home appliances, and to produce complicated and fast reaction, this can improve nursing or cleaning action.
WO 2007/143785 A1 has described a kind of system and device for ozone being imported washing machine.This system comprises for ozone is imported the second pipe that the zone of washing chamber top was managed and be used for ozone is delivered to first of wash fluid entrance from the ozone supply device.Venturi nozzles is used for importing ozone and ozone is mixed with wash fluid.Venturi nozzles functionally is connected to the wash fluid inlet device at this, ozone is sucked in the wash fluid when being assigned in the bucket in wash fluid.
WO 2008/119631 A1 has described a kind of washing machine, wherein, and in the cleaning agent distributor, be that the microorganism that exists in the distribution plate is eliminated by ozone is directly imported the distribution plate from ozone generation device.In one embodiment, water and ozone import in the distribution plate simultaneously, and therefore, ozone/aqueous mixtures passes through distribution plate.This is used for minimizing the possibility that ozone is overflowed from washing machine.
US 2008/0302139 A1 discloses a kind of continuous batch washer, it comprises a plurality of zones for washing clothes continuously, be used for two points of injection of ozone, with water loop and ozone generation device that water inlet and water out couple together, described water loop comprises the water reservoir vessel and is used for the Wen injector of ozone dissolved at water.Negative pressure or vacuum can be applied to continuous batch washer by means of the ozone removal device, reveal to prevent ozone.Fan can be used for producing negative pressure.Ozone too much or that discharge can be converted to normal oxygen by the catalytic reaction mode in the ozone removal device.
US 2006/0096138 A1 has described a kind of for monitoring ozone and the system of control ozone to the supply of washing machine.Ozone sensor surveys when surpass fixing ozone limiting value, and when surpassing, ozone generation device is stopped, until ozone concentration rolls back below the described limiting value again.Do not provide ozone to remove measure.
DE 32 32 057 A1 have described a kind of cleaning machine for clothing, tableware etc., it has for the reservoir vessel of cleaning agent and ozone generation device, the ozone supply pipeline that leads to ozone generation device is connected to the exit of ozone generation device, so that cleaning agent is carried out ozone treatment.In one embodiment, emit pipeline and be configured to reservoir vessel by the removal ozone equipment that heater coil consists of.Fig. 1 shows a kind of washing machine, and wherein, ozone generation device has compressor, so that the high pressure that ozone can be required flows in the reservoir vessel.Flow structure serves as emits pipeline, and the air that produces under the low pressure of cleaning agent liquid level top can overflow by the described pipeline of emitting.Flow structure can be provided with heater at this, and described heater is heated to the high temperature that any residue ozone of existing in the air was destroyed before air reaches surrounding environment.Charcoal filter for example is provided to replaceability.
DE 10 2,008 024 322 A1 have described a kind of dish-washing machine, it has washing container, be used for the ozone generation device make washings enter the feeding pipe of washing container and have air feeder, described ozone generation device is connected to the injector nozzle, mixes with last washings with the ozone/air mixture that will be produced by its.
WO 2008/000813 A1 has described 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, clothing still is in the cylinder when ozone imports, and cylinder turns left and right when ozone imports.
The reactivity that ozone is high means, is important with ozone for the effective use of ozone in the suitable moment, so that disadvantageous chemical reaction can not consume ozone.In addition, the dissolubility of ozone in water is relatively relatively poor.
DE 101 03 905 A1 have described a kind of apparatus and method for drying clothes, its use to keep clothing container, be used for transmitting air fan, be used for heater and the central controller of the air that heating is transmitted, the air that supplies to clothing to be dried mixes with ozone.
CH 687 030 A5 have described a kind of device for remove water from fabric, it has the cylinder that is provided with through hole, described cylinder can be rotated around its axis by motor, and keep to remove the article of water, described cylinder embeds in the cylinder of open-top, and have for the tapping equipment from the isolated fluid of article, be provided with fan heater, described fan heater can be used for the air stream of heating is imported the cylinder that rotates in the device operating process.Compare with traditional centrifugal drying machine, this accelerates the removal operation of water more significantly.Ozone lamp can be provided, with the thermal air current ozone supply in the importing cylinder, thereby when removing water, article be carried out disinfection.
EP 1 980 660 A1 have described a kind of washing machine, comprising: be used for accommodating laundry and be used for washing and the container handling of the clothing that the centrifugal rotation drying is held; Ozone generating apparatus; The ozone supply that is used for producing is to the device of processing container or air duct; The actuation switch that is used for air washing and/or the control operation of execution mould; Be used for operating in a predetermined manner in response to the instruction from actuation switch the control module that is used for air washing and/or mould control of ozone generating apparatus and feedway and optional fan." air washing " refers to utilize the air that contains ozone to replace the water sterilization or clothing carried out deodorizing at this.Ozone is preferably by heat activation, to improve sterilization or odor removal efficient.
EP 1 932 962 A1 have described a kind of drumdrier, and it has container handling, and clothing is dry in described container handling; Be in the fan in the dry air passage and be positioned at the outer ozone generation device of dry air passage, to produce ozone by the air that obtains from the outside, in order to then ozone is delivered to outlet.In one embodiment, outlet is connected to the part that is positioned at the fan unit upstream of dry air passage.The ozone supply controller can be provided, and described ozone supply controller is only showing that the ozone that dry unit just will be produced by ozone generation device when providing predetermined dried level imports in the container handling.Ozone generation device is arranged in the described washing machine together with the ozone supply controller, and described ozone supply controller arrives the processing container with the ozone supply that produces in the process of water removal step.
WO 2010/003944 A1 has described a kind of washing machine, and it comprises container, and washing operation is carried out in described container; Cylinder, it is positioned in the container, and the mobile clothing that is placed in the cylinder; And ozone generation device, described ozone generation device produces ozone and by means of the opening on the container it is supplied to described container, ozone generation device only in the centrifugal dehydration cyclic process to ozone supply for receptacles, the positive high speed rotating of cylinder this moment.Because ozone gas is only in centrifugal rotation dewatering cycle process and do not supply with in main washing step, so ozone gas can not affect the chemical constituent of the cleaning agent of use.
Summary of the invention
With respect to this background technology, the purpose of this invention is to provide a kind ofly for the method in the washing machine process clothes, wherein, ozone can be used very efficiently.A kind of washing machine that is suitable for described method also is purpose of the present invention.
Purpose of the present invention realizes by the described method of a kind of corresponding independent claims and washing machine.The preferred embodiments of the present invention are at length put down in writing in the corresponding dependent claims.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 clearly this point.
Therefore, the present invention proposes a kind ofly for the method in the washing machine process clothes, described washing machine has: bucket; Cylinder, described cylinder are supported in the bucket rotationally, are used for holding the clothing that will utilize ozone treatment; And the device that is used for ozone supply, wherein, when there is no cleaning agent or washing assisant in the cylinder, the air that contains ozone is directed into being in the cylinder and is no more than 35 ° of C, particularly is no more than being washed but still on the moist clothing, then the clothing in the cylinder being carried out rinse cycle under the temperature of 30 ° of C.
The device that is used for ozone supply particularly ozone generation device or be used for contain ozone air enter opening or intermediate storage unit.
In the method for the invention, utilize ozone to after the processing procedure of the clothing in the cylinder being the rinse cycle for described clothing, in this rinse cycle, clothing utilizes the fresh water rinsing again, and any residual of ozone can be removed in the residual air from clothing and bucket.
In the method for the invention, the air that contains ozone preferably imports in the cylinder after the penult rinse cycle.Particularly preferably be, the air that contains ozone in the end imports in the cylinder before a rinse cycle.
For this reason, clothing is dewatered by centrifugal rotation after washing process and one or more rinse cycle execution end usually.At this, can set by implementing the centrifugal rotation dehydration expectation humidity of clothing.
According to the present invention, preferably, the air that contains ozone imports when cylinder is substantially static, and more preferably, it is static that cylinder keeps in this process." substantially static " particularly refers at this, cylinder with maximum 50 circles/minute the duration of speed operation import 20% of duration less than the air that contains ozone.
The importing that contains the air of ozone preferably continues 1-10 minute, more preferably continues 3-7 minute.
In a kind of particularly preferred embodiment of this method, the air that contains ozone imports 1-10 minute when cylinder is static, 3-7 minute duration particularly.
After the importing of the air that contains ozone had finished, cylinder was preferably with the operation of commutation rotation mode.In the situation of commutation rotation mode, cylinder preferably with 35-55 circle/minute, more preferably with the 40-50 circle/minute speed rotate.In this process, cylinder preferably only rotates 1-5 time, particularly 2-3 time.
Before the cylinder direction changes, the pause that can advantageously lack, in this pause process, cylinder is motionless.This pause is sustainable 5-15 second for example, particularly 10 seconds.
After cylinder was with the operation of commutation rotation mode, the air that contains ozone preferably imported when cylinder is substantially static again.The duration that import the first time that the duration new or importing that repeats is shorter than the air that contains ozone usually is preferably the 10-30% of this of duration first time.Import for the first time 5 minutes duration if for example contain the air of ozone, the duration of new importing that then contains the air of ozone is preferably about 60 seconds.
Cylinder can advantageously repeat with the operation of commutation rotation mode and the importing that contains the air of ozone.
Last at least three commutations that are made of turning left and right of cylinder are rotated the periods and are preferably carried out in the situation that does not import the air that contains ozone.This so that ozone concentration reduce gradually in especially efficient mode.Particularly advantageously be, then another rinse step is performed, because in this process, any air that contains ozone is discharged from cylinder by the water that flows into.At this moment, aforementioned the minimizing of ozone concentration can prevent that undesirable ozone from discharging.
The characteristic of the clothing that the 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 surveyed or automatically set by suitable device before the air that contains ozone import.
The laundry care agent also can be adopted in last rinse step when needed.
Term " cleaning agent " and " washing assisant " are not particularly limited as used herein.They are surface-active chemicals normally.Washing assisant on the meaning of the present invention is fabric softener or another laundry care agent particularly.
Preferably, the air that the contains ozone only concentration of the cleaning agent in cylinder and/or washing assisant surpasses higher limit c
LimIn time, just import in the cylinder.Cleaning agent in the cylinder and/or the concentration c of washing assisant are preferably measured by means of sensing system at this.
For this reason, preferably be provided for determining the suitable sensor of the concentration of cleaning agent in the cylinder and/or washing assisant at washing machine that be used for to carry out this method.Suitable sensor for example can be optical pickocff, conductivity sensor or tensometer.This sensor can be sent to the control module that washing machine has usually with measuring-signal by means of holding wire, with further processing.
According to the present invention, also preferably, the air that contains ozone is transmitted through cylinder by means of fan.
Especially, two modification are suitable for containing in the air importing cylinder of ozone:
In the first modification, the air transmitted that contains ozone that is produced by ozone generation device washing but still on the moist clothing, then in usually for example by means of adjustable situation of closing the ozone supply that device separates, transmit by comprising the loop of cylinder and circular air channel from ozone generation device in cylinder and in the cylinder.
Different is that in the second modification, the air that contains ozone that is produced by ozone generation device does not pass through the loop.On the contrary, the air that contains ozone of importing keeps the expectation duration at this in cylinder, then thrown aside by suction or pumping alternatively.
In a particularly preferred embodiment of method of the present invention, the air that contains ozone transmits in the loop that comprises cylinder and circular air channel.
Preferably in the loop, provide ozone sensor, with the variation of measuring ozone concentration with for example stop over time utilizing ozone to the processing of clothing or start further ozone from the device of ozone supply to sending in response to the ozone concentration of measuring and/or its.
The device of ozone supply can be advantageously adjustablely closed device and the loop separates by means of first.First adjustablely closes the control module that device is typically connected to washing machine, described control module can be for example in response to from the too low signal enabling first adjustable number of opening of closing device of the ozone in the expression loop of ozone sensor.
Usually based on the characteristic of the clothing in the cylinder and the processing intensity of useful load and expectation (for example, bleaching), the processing intensity of this expectation also can be the expectation strength to preventing from damaging to the ozone concentration that uses in the method for the present invention.
The air that the contains ozone preferably seal in the zone of the loading opening by cylinder enters in the cylinder.Also preferably, the air that contains ozone leaves cylinder by the rear portion outlet of cylinder.
Purpose of the present invention also relates to a kind of washing machine, and described washing machine has: bucket; Cylinder, described cylinder are supported in the bucket rotationally, are used for holding pending clothing; Control module; And the device that is used for ozone supply, in described washing machine, described device is connected to cylinder by means of the ozone supply pipeline, control module is configured for the method for utilizing the clothing in the ozone treatment cylinder of carrying out, wherein, when there is no cleaning agent or washing assisant in the cylinder, the air that contains ozone is directed into being washed but still on the moist clothing, and then the clothing in the cylinder being carried out rinse cycle under the temperature that being in the cylinder be no more than 35 ° of C.
In a preferred embodiment of described washing machine, fan is arranged on first row and drops a hint in subchannel or the circular air channel, and the first row subchannel bifurcated of dropping a hint goes out circular air channel and the second row subchannel of dropping a hint, first adjustable device of closing is arranged in the ozone supply pipeline, second adjustable device of closing is arranged on second row and drops a hint in the subchannel, and the 3rd adjustable device of closing is arranged in the circular air channel.
In a kind of similar preferred embodiment of described washing machine, the ozone supply pipeline is connected to cylinder by means of seal, and the first row subchannel of dropping a hint is connected to cylinder by means of the outlet of the rear portion of cylinder.
The device that is used for ozone supply is ozone generation device preferably.Ozone generation device in the 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, for example is lower than the UV radiation irradiation oxygen of 200nm by utilization and produces by means of UV lamp generator, or produce by means of corona discharge, and in corona discharge, oxygen exposure is under the discharge process of corona form.
The preferred ozone supply generator of dry air can obtain obviously higher ozone output because use dry air than using the surrounding air with normal air humidity.The standard drying device can be used for dry air, and these drying devices preferably can be removed moisture in reversible mode, for example use zeolite.The preferred peltier-element of using, described peltier-element can play the function for the cold-finger of ozone generation device in the air supply passage.Airborne condensate moisture and is conducted away on the cold side of peltier-element, and in the hot side evaporation of peltier-element or evaporate independently.Air can supply to ozone generation device by means of pump or fan.
Washing machine of the present invention preferably has at least one ozone sensor, in order to can monitor and control the enforcement of the method for the invention described above.
Should prevent that ozone from discharging from dish-washing machine.
Therefore, in one embodiment of the invention, the distribution plate that usually is present in the washing machine can be isolated with bucket and cylinder.This can for example have the filling flexible pipe realization of siphon function by configuration between distribution plate and bucket, this filling flexible pipe is guaranteed 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, this fan and/or suction pump can contain the air suction of ozone by the ozone removal device.
Ozone particularly is removed by being adsorbed on the suitable material or being decomposed in the ozone removal device.For example decompose can be for example by making ozone and suitable material generation chemical reaction realization, or decompose by the catalytic reaction mode, for example to form oxygen.
In a preferred embodiment of washing machine of the present invention, the ozone removal device comprises filter unit, and this filter unit preferably includes easily material of oxidation of the material that comprises carbon or another.At this also preferably, the material that comprises carbon is for from least a material with next group selection: activated carbon, poly (arylene sulfide), poly (arylene ether) and macroporous copolymer.
Activated carbon is particularly preferably as the material that comprises carbon.Activated carbon is formed carbon dioxide by ozone decomposed usually, so that the amount of the activated carbon in the filter unit little by little reduces.This reduce in can the glass height meter on the ozone removal device monitored.If necessary, the user of washing machine can judge whether filter unit for example still normally works owing to wherein still have enough activated carbon this moment.
The ozone generation device that preferably uses 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 activated carbon of the about 10g of filling just enough.
If have the ozone removal device, this ozone removal device can have the catalyst for ozone decomposition, for example is used for ozone is converted to the catalyst of oxygen, to substitute filter unit or to be additional to filter unit.
The ozone removal device preferably is arranged on second row and drops a hint in the subchannel.In order to transmit the air contain ozone in second row is dropped a hint subchannel, fan and/or suction pump can preferably be arranged on described second row and drop a hint in the subchannel.If in first row is dropped a hint subchannel, had fan, then fan and/or suction pump needn't in dropping a hint subchannel, second row be set.
Also advantageously, when ozone generation device has been turned off and/or ozone transmits operation by cylinder when having stopped in the loop, fan also operates scheduled duration again.
Also can make the user only can finish in the importing of ozone after or after ozone generation device stops, just opening washing machine the door.
The 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 end of the ongoing state of method of the present invention, described method or the situation that the ozone removal device works not correctly.
Also can be provided at the ozone sensor that is positioned at ozone removal device downstream on the airflow direction, whether correctly work with monitoring ozone removal device.
Preferred described at least one ozone sensor that uses in the method for the invention can based on various measuring principles, also can be used different measuring principles in washing machine.
In a particularly preferred embodiment of method of the present invention, ozone sensor can be determined ozone concentration, and wherein, ozone changes its resistance to the effect meeting of the material that exists in the ozone sensor in reversible mode.
Indium oxide for example can be used as this material.The resistance of indium oxide is for example owing to being changed by ozone oxidation, but it can be regenerated simply and fastly by means of cold light chemical reduction reaction process.Thereby for example, the resistance of the indium oxide layer that 15nm is thick is owing to oxidation and to change with the proportional mode of ozone concentration.Indium oxide layer can for example be applied on the rear surface of purple-light LED (LED).When LED was activated, oxidized indium oxide layer and then ozone sensor were regenerated by means of cold light chemical reduction reaction process.
Control module is present in the washing machine of the present invention usually, and it also can be removed at ozone and take counter-measure in the time of can not carrying out except controlling method of the present invention.Therefore, for example, can not carry out if ozone is removed, then control module can make ozone generation device stop and/or producing corresponding acoustics and/or optical notification at annunciator.
Washing machine usually also has the 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 bucket, and has emptying pump.Washing machine preferably also comprises pressure sensor and/or the temperature sensor that is arranged in bucket, and these sensors preferably are arranged in the lower area of bucket, so that can measure pressure and/or the temperature of the aqueous fluid in the bucket.
The present invention has many merits.The direct contact preventing ozone of ozone and clothing is by residual cleaning agent or dirt consumption.At last, the dissolubility of ozone in water is not very good, and ozone decomposes in water than in air more quickly.But method of the present invention so that the ozone Main Function on the surface of clothing.Thereby, can reduce required ozone amount and action time thereof.Except discoloration, ozone also has freshization effect at this, so that the clothing that is washed has the feeling of freshness of open air drying.At last, the temperature of cleaning solution needn't raise in order to reach discoloration, because bleaching can not occur as the part in actual laundering stage.When use did not comprise the liquid cleaner of bleaching agent usually, the present invention can realize heavy duty detergent cleaning agent function.At last, when method of the present invention was used when clothes processing method finishes, clothing and surface also can be sterilized, thereby prevented or reduce at least Biofilm formation in the washing machine.
The present invention also has the following advantages: can be simply and prevent that efficiently undesirable ozone from discharging.
Description of drawings
Below, referring to the exemplary washing machine shown in Fig. 1 the present invention is described in more detail.Other embodiment also can expect.
The specific embodiment
Washing machine shown in Fig. 1 has bucket 1, and cylinder 2 is supported in the bucket 1, so that cylinder 2 can rotate around the pivot center 3 of the approximate horizontal of cylinder 2 and can handle by driven motor 14.Long arrow represents the rotation direction of cylinder 2.The device 5 that bails that is positioned at the agitator 4 on the inside of cylinder shell and is used for cleaning solution 6 is strengthened cleaning solutions 6 and is seen through flowing of clothing 7.
Washing machine has the cleaning solution feed system, described cleaning solution feed system comprises water connection fittings for service water pipe network 8, electrically-controlled valve 9 and to the feeding pipe 10 of bucket 1, described feeding pipe 10 is by way of cleaning agent distributor (distribution plate) 11, and the water of inflow can be transported to the bucket 1 from the cleaning agent of cleaning agent distributor with deal.Syphon structure 21 is arranged in the feeding pipe 10, and described syphon structure 21 is full of aqueous fluids, thereby isolation distribution plate 11 enters from bucket 2 to prevent the air that contains ozone.
Become the device that is used for ozone supply of the form of ozone generation device 20 only in the view of Fig. 1, simply to illustrate by means of ozone supply pipeline 25 and by means of seal 24() be connected to cylinder 2 at loading opening 23 places of cylinder 2, in ozone supply pipeline 25, have first adjustable device 27 of closing.The first row subchannel 33 of dropping a hint is connected to the rear portion outlet 32 of cylinder 2.Fan 19 and ozone sensor 31 are arranged in the first row subchannel 33 of dropping a hint.First row subchannel 33 bifurcateds of dropping a hint go out circular air channel 26 and the second row subchannel 17 of dropping a hint.The air that contains ozone can transmit in a loop, and described loop comprises circular air channel 26 and cylinder 2.Short arrow shows the flow direction of the air that contains ozone.Ozone generation device 20 is supplied to surrounding air by means of air supply passage 30 and the drying device 16 that is connected to the upstream of air supply passage 30.
On the one hand, in second row is dropped a hint subchannel 17 second adjustable close that device 34 is closed and circular air channel 26 in the 3rd adjustable device 35 of closing when opening, fan 19 transmits the air that contains ozone by means of circular air channel 26 in the loop.Yet, if the 3rd adjustablely closes that device 35 is closed and second adjustable device 34 of closing is opened, then fan 19 can be sent to the air that contains ozone second row and drops a hint in the subchannel 17, and ozone removal device 18 is arranged in the described second row subchannel 17 of dropping a hint.Thereby the air that contains ozone can stop in the loop and transmit by cylinder 2, 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 the second row subchannel 17 of dropping a hint.
The transmission of air in ozone supply pipeline 25 and air supply passage 30 can be helped by fan (not shown at this).
The washing machine of describing among Fig. 1 shows two kinds of modification utilizing the air-treatment clothing that contains ozone.
In the first modification, then the air transmitted that contains ozone that is produced by ozone generation device 20 transmit by comprising the loop of cylinder 2 and circular air channel 26 from ozone generation device 20 in usually by means of first adjustable situation of closing the ozone supply that device 27 separates in cylinder 2.
Different is that in the second modification, the air that contains ozone that is produced by ozone generation device 20 does not pass through the loop.For this reason, the 3rd adjustable device 35 of closing is closed.On the contrary, the air that contains ozone keeps the period of expectation in cylinder 2, and then is thrown aside by means of the second row subchannel 17 of dropping a hint by opening second adjustable device 34 of closing.
In addition, heater 13, the sensor 15 that is used for the pump 22 that aqueous fluid is pumped out from bucket 1 and is used for measuring the concentration of cleaning agent and/or washing assisant are positioned at the bucket 1 of this embodiment.These members and valve 9, drive motors 14, ozone generation device 20, adjustable device 27,34,35, ozone sensor 31 and fan 19 of closing are connected to the interior control module 12 of washing machine, described control module 12 can be controlled washing machine according to programming, but described programming time-based program and/or whether reach the measured value of some parameter, described parameter is such as being cleaning solution liquid level, cleaning solution temperature, drum speed, ozone concentration, cleaning agent and/or washing assisant concentration etc.
In order to carry out the method for the present invention for the treatment of the clothing 7 in the described washing machine, the air that contains ozone imports in the cylinder 2, and there is no, preferably do not have cleaning agent or washing assisant to be arranged in cylinder 2 this moment.Therefore, in this embodiment, the air that contains ozone imports in the cylinder 2 after the penult rinse cycle.Under any circumstance, the air that contains ozone is only at the higher limit c of the concentration that does not surpass cleaning agent in the cylinder and/or washing assisant
LimJust import in the 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.
Among the embodiment that illustrates herein, the air that contains ozone transmits by cylinder 2 by means of fan 19, and at this, the air that contains ozone transmits in the loop that comprises cylinder 2 and circular air channel 26.For this reason, the air that contains ozone is sent in the cylinder 2 by the seal 24 in the zone of loading opening 23, leaves cylinder by the rear portion outlet 32 of cylinder 2.
In the exemplary embodiment of describing herein, cylinder 2 is static in the process of the air importing cylinder 2 that contains ozone, and only just operates with the commutation rotation mode after the importing of the air that contains ozone has stopped.The air that contains ozone also imports after the penult rinse cycle He before last rinse cycle, after washings discharge, carries out the centrifugal rotation water smoking before the air that contains ozone imports.
Reference numerals list
1 barrel
2 cylinders
3 pivot centers
4 agitators
5 devices that bail
6 cleaning solutions
7 clothings
8 service water pipe networks
9 electrically-controlled valve
10 feeding pipes to bucket
11 cleaning agent distributors, distribution plate
12 control modules
13 heaters
14 drive motors
15 are used for determining sensor 16 drying devices of cleaning agent or washing assisant
The 17 second rows subchannel of dropping a hint
18 ozone removal devices
19 fans
20 ozone generation devices
21 syphon structures
22 pumps
23 load opening
24 seals
25 ozone supply pipelines
26 circular air channel
27 first adjustable devices of closing
28 filter units
29 annunciators
30 are used for the air supply passage of ozone generation device
31 ozone sensors
The rear portion outlet of 32 cylinders
The 33 first rows subchannel of dropping a hint
34 second adjustable devices of closing
35 the 3rd adjustable devices of closing
Claims (16)
1. method that is used in washing machine process clothes (7), described washing machine has: bucket (1); Cylinder (2), described cylinder (2) are supported in the bucket (1) rotationally, are used for holding the clothing (7) that will utilize ozone treatment; And the device (20) that is used for ozone supply, it is characterized in that, when there is no cleaning agent or washing assisant in the cylinder (2), the air that contains ozone is directed into being washed but still on the moist clothing (7), then the clothing (7) in the cylinder (2) being carried out rinse cycle under the temperature that is no more than 35 ° of C that be in the cylinder (2).
2. the method for claim 1 is characterized in that, the air that contains ozone imports after the penult rinse cycle in the cylinder (2).
3. such as arbitrary described method in the claim of front, it is characterized in that the air that contains ozone imports when cylinder (2) is substantially static.
4. method as claimed in claim 3 is characterized in that, the air that contains ozone imports 1-10 minute duration when cylinder (2) is static.
5. such as arbitrary described method in the claim of front, it is characterized in that cylinder (2) operates with the commutation rotation mode after the importing of the air that contains ozone has finished.
6. method as claimed in claim 5 is characterized in that, after cylinder (2) was with the operation of commutation rotation mode, the air that contains ozone imported when cylinder (2) is substantially static again.
7. such as arbitrary described method in the claim of front, it is characterized in that the air that the contains ozone only concentration of the cleaning agent in cylinder (2) and/or washing assisant surpasses higher limit cl
ImIn time, just import in the cylinder (2).
8. such as arbitrary described method in the claim of front, it is characterized in that the cleaning agent in the cylinder (2) and/or the concentration of washing assisant are measured by means of sensing system (15).
9. such as arbitrary described method in the claim of front, it is characterized in that the air that contains ozone is transmitted through cylinder (2) by means of fan (19).
10. method as claimed in claim 9 is characterized in that, the air that contains ozone transmits in the loop that comprises cylinder (2) and circular air channel (26).
11., it is characterized in that the air that contains ozone enters in the cylinder (2) by the seal (24) in the zone of loading opening (23) such as arbitrary described method in the claim of front.
12., it is characterized in that the air that contains ozone leaves cylinder (2) by the rear portion outlet (32) of cylinder (2) such as arbitrary described method in the claim of front.
13. a washing machine, described washing machine has: bucket (1); Cylinder (2), described cylinder are supported in the bucket (1) rotationally, are used for holding pending clothing (7); Control module (12); And the device (20) that is used for ozone supply, it is characterized in that, device (20) is connected to cylinder (2) by means of ozone supply pipeline (25), control module (12) is configured for the method for utilizing the clothing (7) in the ozone treatment cylinder (2) of carrying out, wherein, when there is no cleaning agent or washing assisant in the cylinder (2), the air that contains ozone is directed into being washed but still on the moist clothing (7), and then the clothing (7) in the cylinder (2) being carried out rinse cycle under the temperature that is no more than 35 ° of C that be in the cylinder (2).
14. washing machine as claimed in claim 13, it is characterized in that, fan (19) is arranged on first row and drops a hint in subchannel (33) or the circular air channel (26), and first row subchannel (33) bifurcated of dropping a hint goes out circular air channel (26) and the second row subchannel (17) of dropping a hint, and first adjustable device (27) of closing be arranged in the ozone supply pipeline (25), second adjustable device (34) of closing is arranged on second row and drops a hint in the subchannel (17), and the 3rd adjustable device (35) of closing is arranged in the circular air channel (26).
15. washing machine as claimed in claim 14, it is characterized in that, ozone supply pipeline (25) is connected to cylinder (2) by means of seal (24), and the first row subchannel (33) of dropping a hint is connected to cylinder (2) by means of the rear portion of cylinder (2) outlet (32).
16., it is characterized in that device (20) is ozone generation device such as the described washing machine of claims 14 or 15.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010029885.9 | 2010-06-09 | ||
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102933760A true CN102933760A (en) | 2013-02-13 |
| CN102933760B CN102933760B (en) | 2016-02-17 |
Family
ID=44627217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180027946.1A Active CN102933760B (en) | 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 |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP2580381B1 (en) |
| CN (1) | CN102933760B (en) |
| DE (1) | DE102010029885A1 (en) |
| EA (1) | EA022523B1 (en) |
| PL (1) | PL2580381T3 (en) |
| WO (1) | WO2011154277A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015158154A1 (en) * | 2014-04-15 | 2015-10-22 | 海尔亚洲国际株式会社 | Ozone treatment device |
| CN106795681A (en) * | 2014-10-08 | 2017-05-31 | Bsh家用电器有限公司 | Laundry treatment appliance with Ozone generator |
| CN107109752A (en) * | 2014-12-03 | 2017-08-29 | Bsh家用电器有限公司 | Laundry care appliance with procedure selection device |
| JP2020068989A (en) * | 2018-10-30 | 2020-05-07 | 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． | Drum type washing machine |
| WO2020135133A1 (en) * | 2018-12-27 | 2020-07-02 | 青岛海尔洗衣机有限公司 | Washing machine |
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| US9657423B2 (en) | 2011-01-24 | 2017-05-23 | Awois Llc | System for controlling supply of ozone to washing machine to maximize cumulative CT value |
| DE102011076211B4 (en) * | 2011-05-20 | 2019-03-14 | BSH Hausgeräte GmbH | Water-conducting household appliance with closable hose piece |
| EP2809839B1 (en) * | 2012-01-23 | 2023-09-13 | Awois Llc | System for controlling supply of ozone to washing machine to maximize cumulative ct value |
| DE102012209823A1 (en) * | 2012-06-12 | 2013-12-12 | BSH Bosch und Siemens Hausgeräte GmbH | Domestic appliance with a generator, in particular an ozone generator, and a filter device |
| DE102013104927B4 (en) | 2013-05-14 | 2021-02-04 | Miele & Cie. Kg | Method for operating a washing machine and control device for a washing machine |
| DE102014214343B4 (en) * | 2014-07-23 | 2020-01-16 | BSH Hausgeräte GmbH | household appliance |
| DE102020213272A1 (en) | 2020-10-21 | 2022-04-21 | BSH Hausgeräte GmbH | LAUNDRY TREATMENT APPLIANCE FOR CARRYING OUT A LAUNDRY TREATMENT PROGRAM AND METHOD FOR KEEPING LAUNDRY FRESH |
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- 2011-05-31 EA EA201291323A patent/EA022523B1/en not_active IP Right Cessation
- 2011-05-31 EP EP11726085.1A patent/EP2580381B1/en active Active
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| CN106795681A (en) * | 2014-10-08 | 2017-05-31 | Bsh家用电器有限公司 | Laundry treatment appliance with Ozone generator |
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| CN107109752A (en) * | 2014-12-03 | 2017-08-29 | Bsh家用电器有限公司 | Laundry care appliance with procedure selection device |
| CN107109752B (en) * | 2014-12-03 | 2020-02-18 | Bsh家用电器有限公司 | Clothes care appliance with program selection device |
| JP2020068989A (en) * | 2018-10-30 | 2020-05-07 | 青島海爾洗衣机有限公司ＱｉｎｇＤａｏ Ｈａｉｅｒ Ｗａｓｈｉｎｇ Ｍａｃｈｉｎｅ Ｃｏ．，Ｌｔｄ． | Drum type washing machine |
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| WO2020135133A1 (en) * | 2018-12-27 | 2020-07-02 | 青岛海尔洗衣机有限公司 | Washing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011154277A1 (en) | 2011-12-15 |
| EP2580381B1 (en) | 2015-11-11 |
| PL2580381T3 (en) | 2016-04-29 |
| EA201291323A1 (en) | 2013-06-28 |
| EA022523B1 (en) | 2016-01-29 |
| CN102933760B (en) | 2016-02-17 |
| EP2580381A1 (en) | 2013-04-17 |
| DE102010029885A1 (en) | 2011-12-15 |
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| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Munich, Germany Applicant after: BSH Household Electrical Appliance Co., Ltd Address before: Munich, Germany Applicant before: BSH Bosch and Siemens Household Appliances Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: BOSCH UND SIEMENS HAUSGERATE GMBH TO: BSH HOME APPLIANCES CO., LTD. Free format text: CORRECT: ADDRESS; FROM: |
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