CN101591851B - A clothes dryer and control method thereof - Google Patents
A clothes dryer and control method thereof Download PDFInfo
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- CN101591851B CN101591851B CN 200910139076 CN200910139076A CN101591851B CN 101591851 B CN101591851 B CN 101591851B CN 200910139076 CN200910139076 CN 200910139076 CN 200910139076 A CN200910139076 A CN 200910139076A CN 101591851 B CN101591851 B CN 101591851B
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Abstract
The invention discloses a method for controlling a clothes dryer, which comprises the following procedures: a steam supply step, which supplies the steam to a tumbling cylinder to generate hot environment and listerize dry goods in the tumbling cylinder; and a hot blast supply step, which supplies hot blast to the tumbling cylinder so as to remain temperature in the tumbling cylinder regularly. The dry goods can be effectively listerized without thermal damage in short time, which can remove crease mark and bad odor of the dry goods.
Description
Technical field
The present invention relates to a kind of dryer and control method thereof with steam supplying functional, more specifically relate to a kind of dryer and control method thereof, this drying function carries out disinfection to the dry goods such as clothes etc. and can be to the dry goods cause thermal side, and can effectively prevent and remove wrinkle and the folding line of dry goods, and can remove the stink of dry goods.
Background technology
Generally speaking, dryer is to utilize high temperature air to finishing the clothing of washing, be that clothes carries out dry household electrical appliance, it comprises the heating unit of the air that is introduced into cylinder be used to the cylinder that holds dry goods, for the drive source that drives this cylinder, for heating and the blower fan unit that is used for aspirating the air in the cylinder or discharges the air in the cylinder.
The dryer that can dryer be divided into according to the differentiation reference various types.At first, can according to how adding hot-air, namely according to heating unit dryer be divided into the gentle body dryer of electric clothes dryer.Electric clothes dryer utilizes resistance heat heating air, and the heat that the gas dryer utilizes gas combustion to produce adds hot-air.
Simultaneously, can be according to dry goods being carried out how to produce humid air when drying is processed dryer being divided into condensing type clothes dryer (condensing type dryer) and air exhaust dryer (exhaust-type dryer).In condensing type clothes dryer, when carrying out heat exchange with dry goods, become wet air and circulate and be not discharged from, and condenser generates condensed water by carrying out heat exchange with outside air, and condensed water is discharged to the external world.In air exhaust dryer, air with cylinder in dry goods become wet when carrying out heat exchange, and directly be discharged to the dryer outside.
In addition, can be according to how dry goods being put into dryer and dryer is divided into roof-mounted dryer (top loading type dryer) and muzzle-loading dryer (front loading type dryer).In roof-mounted dryer, put into dry goods from the upside of dryer, and in the muzzle-loading dryer, put into dry goods from the front side of dryer.
In related art clothes drier, utilize high temperature air that this dry goods is carried out drying, and do not consider sorting technique.Therefore, along with dry goods and high temperature air Long contact time, dry goods is sterilized.That is to say, be higher than in the cylinder inside of dryer under 60 ℃ the temperature conditions, the dry goods supply hot blast that is contained in the cylinder is surpassed 90 minutes, thereby this dry goods is carried out disinfection.
Thus, in related art clothes drier, to being contained in chronic that dry goods in the dryer carries out disinfection, and dry goods is exposed to hot blast for a long time, thereby to this dry goods cause thermal side.
Summary of the invention
Therefore, in order to overcome the above problems, envisioned various feature as herein described.An aspect of exemplary embodiment provides the control method of a kind of dryer and this dryer, and this drying function is effectively sterilized to the dry goods such as clothes at short notice, and can be to this dry goods cause thermal side.
Another aspect of the present invention provides a kind of dryer and control method thereof, and the fold or the folding line that have produced on the dry goods removed or prevented to this drying function, and can carry out disinfection to this dry goods.
This specification provides a kind of method for the control dryer, and described method comprises steam supplied and hot blast feeding step; Wherein, described steam supplied comprises: to the inner supply of described cylinder steam, producing hot environment, and the dry goods that is contained in the described cylinder is carried out disinfection; Come the step of the inner supply of the described cylinder of subtend steam to control according to the comparative result between steam supply time and the benchmark steam supply time or according to the temperature of described cylinder inside and the comparative result between the benchmark vapor (steam) temperature; If the temperature in the described steam supplied is higher than the temperature in the described hot blast feeding step, then carry out the first cooling step; If the temperature in the described steam supplied is lower than the temperature in the described hot blast feeding step, then carry out described hot blast feeding step; Described hot blast feeding step comprises: hot blast feeding is inner to described cylinder, balancedly to keep the temperature of described cylinder inside; Wherein, if the dryer operator scheme of inputting is the sterilization pattern, and the hot blast feeding time is higher than the benchmark hot blast temperature greater than benchmark hot blast feeding time or described cylinder internal temperature, then carry out the second cooling step, the temperature that in described steam supplied, is kept to reduce cylinder inside, thus the dry goods in the cylinder is cooled off; If the hot blast feeding time is lower than the benchmark hot blast temperature less than benchmark hot blast feeding time or described cylinder internal temperature, then that hot blast feeding is inner to described cylinder; If the dryer operator scheme of inputting is pure and fresh operator scheme, then carry out described hot blast feeding step, to remove the folding line that is contained in the described dry goods in the described cylinder or described dry goods carried out deodorizing, carry out afterwards described the second cooling step, the temperature that in described steam supplied, is kept to reduce cylinder inside, thus the dry goods in the cylinder is cooled off.
This specification also provides a kind of method for the control dryer, comprising: steam supplied is supplied to cylinder inside with steam, thereby forms hot environment and the dry goods that is contained in the cylinder is carried out disinfection; Cooling step is reduced in the temperature that keeps in the steam supplied; And the hot blast feeding step, hot blast feeding is inner to cylinder, thus balancedly keep the temperature of cylinder inside.
This specification also provides a kind of method for the control dryer, comprising: the operator scheme of input dryer; Steam supplied is supplied to cylinder inside with steam, thereby forms hot environment and the dry goods that is contained in the cylinder is carried out disinfection; And the hot blast feeding step, hot blast feeding is inner to cylinder, thus balancedly keep the temperature of cylinder inside.
This specification also provides a kind of dryer, this dryer comprises cylinder and heater, and steam can be supplied to cylinder inside, this heater is inner to cylinder with hot blast feeding, this dryer comprises: controller, its control steam supply to be carrying out disinfection to the dry goods that is contained in cylinder inside and to control heat according to the supply of hot blast, thereby balancedly keeps the temperature of cylinder inside.
This specification also provides a kind of dryer, this dryer comprises cylinder and heater, and steam can be supplied to cylinder inside, and this heater is inner to cylinder with hot blast feeding, this dryer comprises: the control panel unit, and it is according to user's selective reception method of operating; And controller, control steam supply is with to being contained in that dry goods in the cylinder carries out disinfection and according to hot blast feeding control heat, thereby balancedly keeps the temperature of cylinder inside.
By following detailed description by reference to the accompanying drawings of the present invention, above-mentioned and other purpose of the present invention, feature, aspect and advantage will be more obvious.
Description of drawings
Fig. 1 is the profile according to the dryer of the embodiment of the invention;
Fig. 2 shows the steam providing apparatus of dryer;
Fig. 3 is the block diagram according to the controller of the dryer of the embodiment of the invention;
Fig. 4 shows for the flow chart of control according to the method for the dryer of the embodiment of the invention;
Fig. 5 is the curve map of the relation between time when carrying out the dryer control method according to the sterilizing operation pattern of the embodiment of the invention and temperature;
Fig. 6 is the curve map of the relation between sterilization rate and the steam emitted dose when carrying out the dryer control method under the uniform temp condition;
Fig. 7 carries out the temperature time curve figure of hot blast feeding processing in the time of 15 minutes in according to the dryer control method of the embodiment of the invention;
Fig. 8 is the curve map of the relation between dry goods kind and the sterilization rate to the dryer control method of staphylococcus execution graph 7 time;
Fig. 9 carries out the temperature time curve figure of hot blast feeding processing in the time of 8 minutes in according to the dryer control method of the embodiment of the invention;
Figure 10 is the curve map of the relation between dry goods kind and the sterilization rate during to the dryer control method of Pseudomonas aeruginosa execution graph 7.
The specific embodiment
Now with reference to accompanying drawing according to an exemplary embodiment of the present invention dryer and control method thereof are described.
In order to describe the dryer according to the embodiment of the invention, muzzle-loading dryer, electric clothes dryer and condensing type clothes dryer will be described as an example.But the present invention is not limited to this, and also applicable to roof-mounted dryer, gas dryer etc.
Now with reference to the dryer of Fig. 1 to Fig. 3 description according to the embodiment of the invention.
As show the shown in Figure 1 of cross section structure, dryer comprise form outward appearance and comprise the rack 10 that is formed at positive door 11, be installed in rotation on cylinder 12 in the rack 10, be used for hot blast be directed to cylinder 12 inside Warm air guiding pipe 13, be used for discharging the hot blast that has passed cylinder 12 inside hot blast blast pipe 14, be used for the suction outside air and with the blower fan 15 of its discharge and for detection of the temperature detecting unit 24 of the temperature of the hot blast of discharging via hot blast blast pipe 14.
Hot blast blast pipe 14 is arranged between the bottom and blower fan 15 of cylinder 12 front sides.Filter 21 is installed on an end of hot blast blast pipe 14, to leach the chip that is included in the hot blast that passes through cylinder 12, for example fine hair etc.The blast pipe 22 that is formed column tube and has an openend that extends to rack 10 outsides is combined with the outlet of blower fan 15.On-off valve 23 is installed on the openend of blast pipe 22, opening blast pipe 22 by hot blast when blower fan 15 operation, and closes blast pipe 22 when blower fan 15 is not moved, thereby prevents from introducing from the external world chip.
Water supply hose 220 is connected to a side of steam generator 200 with water supply, and steam hose 230 is connected to the opposite side of steam generator 200 with exhaust steam.Generally speaking, one end of water supply hose 220 is connected to the outside watering such as hose, and the leading section of steam hose 230 or nozzle 250, namely steam discharge hole is located in certain part place of cylinder 12, so that steam is sprayed (spray) to the inside of cylinder 12.
In this embodiment, steam generator 200 (hereinafter being referred to as " container heating type (container heating type) " steam generator) has been described, this steam generator produces steam with heater 240 by a certain amount of water that heating is contained in the certain size water tank 210, but the present invention is not limited to this.That is to say, as long as can will can produce any device of steam as steam generator.For example, can use a kind of method (hereinafter being referred to as " pipe heating type (pipe heating type) " method), wherein, heater directly is installed on around the water supply hose, and water is heated through this water supply hose, but not the water capacity is contained in certain space.
Describe controller 31 in detail now with reference to Fig. 3.
Be provided with controller 31, time measuring unit 32 and temperature detecting unit 24 at some the part place according to the dryer of the embodiment of the invention, this controller is in order to control steam supply, hot blast feeding and cooling, this time measuring unit is used for measuring the time of steam supply, and temperature detecting unit is for detection of the temperature of the hot blast of discharging from cylinder 12.
In this embodiment, temperature detecting unit 24 is positioned in hot blast blast pipe 14 places, but also it can be arranged on Warm air guiding pipe 13 or cylinder 12 places.Temperature detecting unit 24 can be arranged at the inboard of cylinder 12, with the temperature of direct measurement cylinder 12 inboards.
If temperature detecting unit is thermal resistor, then the maximum of this thermal resistor can be set as 68 ℃, and the Δ value can be set as 4 ℃.Then, the temperature of the hot blast of being discharged by the hot blast that is introduced into cylinder 12 raises gradually, and when it reached 68 ℃, thermal resistor moved to cut off the power supply of heater 30, thereby closes heater 30.Thereupon, heater is closed, and reduces gradually and when reaching 64 ℃ in the temperature of the hot blast of discharging from cylinder 12, is in the thermal resistor operation of off state and heater 30.
Dryer comprises control panel unit (not shown), and this control panel unit is arranged at certain part of rack, to receive the method for operating of dryer according to user selection.Controller moves dryer according to the method for operating from the input of control panel unit with sterilization pattern or refresh mode.Here, carry out the operation of sterilization pattern so that thereby the inside of hot blast feeding to cylinder is carried out disinfection to this dry goods, and carrying out the refresh mode operation so that hot blast feeding is inner to cylinder than shorter time of sterilizing operation pattern or the temperature lower than sterilizing operation pattern, thereby remove fold or the folding line of dry goods or remove the stink of dry goods.
Now with reference to the dryer control method of Fig. 4 to Fig. 6 detailed description according to the embodiment of the invention.
At first, drying function according to the embodiment of the invention is carried out drying process to this dry goods (for example clothes), and can carry out the basic function of common dryer, and the control of drying process comprises and hot blast feeding to the hot blast feeding of cylinder inside processed and is finishing hot blast feeding and reduce after processing the cooling processing of the temperature of cylinder inside.This is comparatively general for related art clothes drier, and therefore description is omitted.
Dryer control method according to the embodiment of the invention comprises: steam supplied (S420) is supplied to cylinder inside with steam, thereby carries out disinfection and form hot environment being contained in dry goods in the cylinder; And hot blast feeding step (S430), hot blast feeding is inner to cylinder, thus balancedly keep the temperature of cylinder inside.
By this processing according to the dryer control method of the embodiment of the invention, can move dryer so that the dry goods in the cylinder that is contained in this dryer is carried out disinfection, and can be to this dry goods cause thermal side (hereinafter it not being referred to as " sterilizing operation ").Here, fold or the folding line of dry goods can be removed and prevent to this sterilizing operation.
But close-up was carried out cylinder heating steps S410 before steam supplied S420.In cylinder heating steps S410, the steam that the temperature difference of cylinder inside comes across among the step S420 is supplied between the front and back.The temperature difference that reduces will prevent that the temperature that is supplied to the steam of cylinder inside in steam supplied S420 from reducing rapidly.
In steam supplied S420, steam is provided to cylinder inside (S421), thereby the temperature of cylinder inside (Temp_s) can be at reach a high temperature in the shorter time than hot blast supply step S430 (Temp_hi).In addition, in steam supplied S420, can the temperature of cylinder inside be controlled to be high temperature with the above-mentioned time, and also can whether reach fiducial temperature (Temp_s_ref) according to the temperature (Temp_s) of cylinder inside and control (S422).
Steam supplied S420 can be remained on the higher temperature (S423) of temperature than hot blast supply step S430.And then the temperature that keeps in steam supplied S420 in order to reduce cylinder inside is added on cooling step S440 after the steam supplied S420, so that the dry goods in the cylinder is cooled off.
Steam supplied S420 is remained on the lower temperature of temperature of supplying step S430 than hot blast, and can control (S422) to steam supplied S420 according to the comparative result between steam supply time (Time_s) and the benchmark steam supply time (Time_s_ref).In this case, steam supply time among the steam supplied S420 is remained longer than the steam supply time among the hot blast supply step S430, thereby the temperature of cylinder inside rises to target temperature, perhaps in order to have the enough time that this dry goods is carried out disinfection.Steam supplied S420 is remained on 60 ℃ or higher temperature range, thereby uperize remains on specific range of temperatures and certain time to be used for sterilization with hot blast feeding step S430, thereby utilize the hot blast of supplying to carry out disinfection.This certain hour can be at least 30 minutes.
This dryer control method also can be included in before dryer operator scheme input step of steam supplied.In the case, if the drying process method that receives is pure and fresh method, then in the hot blast feeding step, removes the fold that is contained in the dry goods in the cylinder or folding line or it is carried out deodorizing (S434).
Fig. 5 is the curve map of the relation between time when carrying out the dryer control method according to the sterilizing operation pattern of the embodiment of the invention and temperature.
As mentioned above, comprise container heating-type vapor generator 200 according to the dryer of the embodiment of the invention, thereby need time heating steam generator 200.Preferably, as shown in Figure 5, hot blast feeding step S430 kept 35 minutes, thereby the temperature range of cylinder inside is maintained between 64 ℃ to 68 ℃.With regard to regard to the dryer control method of the embodiment of the invention, utilize the Pseudomonas aeruginosa, staphylococcus and the Cray Bai Shi pulmonitis strain (K.pneumoniae) that are present in the dry goods to test.
In the present invention, based on national sanitary foundation international (NSF) target sterilization rate is set as and this dry goods is carried out 99.9% sterilization.In the sterilizing clothes drying machine according to the embodiment of the invention, set the temperature range that is used for carrying out sterilization on the basis of considering microbiologic properties, and according to experimental result sterilizing clothes drying machine is controlled at maximum effective temperature.That is to say, when temperature becomes higher, be conducive to sterilization, if but the damage problem of consideration cloth is carried out drying process to this dryer, and then allowable temperature does not surpass temperature range.
In the dryer control method according to the embodiment of the invention, 60 ℃ or higher temperature are retained as the temperature that is applicable to sterilize, and in order to minimize the damage such as the dry goods of fabric etc., can shorten whole journey time, and the operation of control dryer is with the maximization drying efficiency.
Fig. 6 is the curve map of the relation between steam supply time and the Pseudomonas aeruginosa sterilization rate when the hot blast feeding time is fixed as 15 minutes.
As shown in Figure 6, when hot blast is provided to drum for clothes drier inside to carry out disinfection when operation, if the hot blast feeding time is identical, then sterilization rate and steam are supplied in the ratio increase.That is to say that the disinfecting power when carrying out steam supplied at the same time is better than the situation of only carrying out the hot blast feeding step in whole journey time.
Be used for control according to the apparatus and method of the dryer of the embodiment of the invention disinfecting time based on sterilisation temp and every kind of bacterium (germ).Only by the pure and fresh operation of the steam that proposes among the present invention, eliminated Pseudomonas aeruginosa, but can not eliminate staphylococcus and make it reach desired value.
But the sterilizing operation that proposes among the present invention is eliminated staphylococcus and is made it reach desired value.For example, when the sterilization rate is 99.50% or when higher under the experiment condition that the present patent application people carries out, and the sterilization rate of U.S. NSF standard test is 99.99% or higher.
Table 1
Table 1 shows when dryer is carried out 45 minutes steam supplied except 5 minutes steam generator heating steps, hot blast feeding step and cooling step, four kinds of dry goods all are higher than 99.5% with respect to the sterilization rate of Pseudomonas aeruginosa, staphylococcus and Cray Bai Shi pulmonitis strain in experiment, these sterilization rates are corresponding to the sterilization rate of U.S. NSF standard test 99.99%.
Fig. 7 is the temperature time curve figure when carrying out hot blast feeding processing 15 minutes in according to the dryer control method of the embodiment of the invention, and the curve map of Fig. 8 relation between dry goods kind and the sterilization rate when being dryer control method to staphylococcus execution graph 8.
With reference to Fig. 7, Fig. 8 and table 2, in staphylococcic situation, carry out after the steam supplied, carry out hot blast feeding step 15 minute.But, in this case, when dry goods is pillow (C2), can obtain target sterilization rate, but when dry goods is the mixture of AHAM 31b and jean (C1), can not obtain target sterilization rate.
Table 2 (target bacteria is staphylococcus)
| Dry goods | Sterilization rate (%) |
| The netted jean of AHAM 81b+ | 99.99％ |
| AHAM 81b+ dry raw jean | 100％ |
Fig. 9 is the temperature time curve figure when carrying out hot blast feeding processing 8 minutes in according to the dryer control method of the embodiment of the invention, and the curve map of Figure 10 relation between dry goods kind and the sterilization rate when being dryer control method to Pseudomonas aeruginosa execution graph 7.
With reference to Fig. 9, Figure 10 and table 3, in the situation of Pseudomonas aeruginosa, carry out after the steam supplied, carry out hot blast feeding step 8 minute.Be in the situation of the mixture (C1) of AHAM 31b and jean and pillow (C2) at dry goods, all can obtain target sterilization rate.
That is to say that shown in Fig. 6 and table 1, when dryer was carried out steam supplied 7 minutes according to embodiments of the invention, and when carrying out hot blast feeding step 35 minute, target bacteria is all removed with target sterilization rate.
As so far described, have the following advantages according to dryer and the control method thereof of the embodiment of the invention.
In brief, at first can be to being contained in that dry goods in the drum for clothes drier carries out disinfection and can be to this dry goods cause thermal side, and can effectively prevent from finishing dry dry goods fold or wrinkling.
Secondly, can optionally carry out according to user's selection and be used for this dry goods is carried out disinfection and removes the sterilizing operation pattern of folding line of dry goods and the pure and fresh operator scheme that is used for simply and effectively preventing or removing fold or the folding line of dry goods.
The 3rd, can effectively remove and be in fold or the folding line of the dry goods of drying regime (for example clothes), and need not press.
Because the present invention can not break away from its feature with some forms enforcements, be to be understood that in addition, unless otherwise mentioned, above-described embodiment is not limited by any details of aforementioned description, and should in the scope of the invention that claims limit, construct widely, therefore, claims are intended to comprise all changes and the modification in the equivalent scope of the boundary that drops on this claim or above-mentioned boundary.
Claims (9)
1. method that is used for the control dryer, described method comprises steam supplied and hot blast feeding step;
Wherein, described steam supplied comprises:
To the inner supply of described cylinder steam, producing hot environment, and the dry goods that is contained in the described cylinder is carried out disinfection;
Come the step of the inner supply of the described cylinder of subtend steam to control (S422) according to the comparative result between steam supply time and the benchmark steam supply time or according to the temperature of described cylinder inside and the comparative result between the benchmark vapor (steam) temperature;
If the temperature in the described steam supplied is higher than the temperature in the described hot blast feeding step, then carry out the first cooling step (S424); If the temperature in the described steam supplied is lower than the temperature in the described hot blast feeding step, then carry out described hot blast feeding step;
Described hot blast feeding step comprises:
Hot blast feeding is inner to described cylinder, with the temperature (S431) that balancedly keeps described cylinder inside;
Wherein, if the dryer operator scheme of inputting is the sterilization pattern, and the hot blast feeding time is higher than the benchmark hot blast temperature greater than benchmark hot blast feeding time or described cylinder internal temperature, then carry out the second cooling step (S440), the temperature that in described steam supplied, is kept to reduce cylinder inside, thus the dry goods in the cylinder is cooled off; If the hot blast feeding time is lower than the benchmark hot blast temperature less than benchmark hot blast feeding time or described cylinder internal temperature, then that hot blast feeding is inner to described cylinder;
If the dryer operator scheme of inputting is pure and fresh operator scheme, then carry out described hot blast feeding step, to remove the folding line that is contained in the described dry goods in the described cylinder or described dry goods carried out deodorizing, carry out afterwards described the second cooling step (S440), the temperature that in described steam supplied, is kept to reduce cylinder inside, thus the dry goods in the cylinder is cooled off.
2. method according to claim 1 also comprises the temperature in the described supply steam step and the temperature of supplying in the hot blast step are compared.
3. method according to claim 2 also comprises: if the temperature in the described supply steam step is higher than the temperature in the supply hot blast step, then and then reduce the temperature that keeps in the described supply steam step after described supply steam step.
4. method according to claim 1 wherein, remains described supply steam step longer than the time of described hot blast feeding step in time.
5. method according to claim 1 wherein, remains on 60 ° or higher temperature band with described supply steam step.
6. method according to claim 1 wherein, kept described supply hot blast step at least 30 minutes in the specified temp band.
7. method according to claim 6 wherein, keeps described supply hot blast step 35 minute, thereby the temperature band of described cylinder inside can be remained between 64 ℃ and 68 ℃.
8. method according to claim 1, wherein, the bacterium that is present in the described dry goods comprises: Pseudomonas aeruginosa, staphylococcus and Cray Bai Shi pulmonitis strain.
9. method according to claim 1, wherein, the hot blast feeding time of described pure and fresh operator scheme is shorter than the hot blast feeding time of described sterilization pattern in time, perhaps, the temperature band of the described cylinder inside in the described pure and fresh operator scheme is lower than the temperature band of the described cylinder inside in the described sterilization pattern.
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| US5356508P | 2008-05-15 | 2008-05-15 | |
| KR10-2008-0045207 | 2008-05-15 | ||
| KR1020080045207 | 2008-05-15 | ||
| US61/053,565 | 2008-05-15 | ||
| KR1020080045207A KR100999266B1 (en) | 2008-05-15 | 2008-05-15 | Dryer and controlling method thereof |
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| CN101591851B true CN101591851B (en) | 2013-03-13 |
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| KR101147774B1 (en) * | 2009-12-15 | 2012-05-29 | 엘지전자 주식회사 | Control method of clothes treatment apparatus |
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| KR100692556B1 (en) * | 2006-04-27 | 2007-03-14 | 주식회사 대우일렉트로닉스 | Drier having steam spray and control method thereof |
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| KR100692556B1 (en) * | 2006-04-27 | 2007-03-14 | 주식회사 대우일렉트로닉스 | Drier having steam spray and control method thereof |
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| JP特开2006-311883A 2006.11.16 |
| JP特开平11-276799A 1999.10.12 |
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