CN102260990A - Clothes dryer - Google Patents
Clothes dryer Download PDFInfo
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- CN102260990A CN102260990A CN2011101392213A CN201110139221A CN102260990A CN 102260990 A CN102260990 A CN 102260990A CN 2011101392213 A CN2011101392213 A CN 2011101392213A CN 201110139221 A CN201110139221 A CN 201110139221A CN 102260990 A CN102260990 A CN 102260990A
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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
- D06F58/00—Domestic laundry dryers
- D06F58/20—General details of domestic laundry dryers
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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
- D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
- D06F2103/02—Characteristics of laundry or load
- D06F2103/04—Quantity, e.g. weight or variation of weight
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/14—Arrangements for detecting or measuring specific parameters
- D06F34/18—Condition of the laundry, e.g. nature or weight
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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
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
A clothes dryer of the present invention has a drum which accommodates an article to be dried; a drum driving unit which rotationally drives the drum; a first air passage having a first blow-out port opened to the drum; a second air passage having a second blow-out port opened to the drum and having a smaller air passage cross-sectional area than the first blow-out port, an air passage switching unit which selectively switches between the first air passage and the second air passage; an air blowing unit which blows drying air into the first air passage or the second air passage; and a controller which controls the drum driving unit, wherein the air blowing unit blows out the drying air of a larger amount into the drum from the first blow-out port when the first air passage is selected than when the second air passage is selected, and the air blowing unit blows out the drying air at a higher pressure and a higher speed into the drum from the second blow-out port when the second air passage is selected than when the first air passage is selected, and the controller changes rotation sequences of the drum by controlling the drum driving unit according to the selected one of the first air passage and the second air passage.
Description
Technical field
The present invention relates to a kind of clothesdrier that carries out the drying of clothing etc.
Background technology
In the past, this clothesdrier is delivered to drying in the cylinder with air by the air channel, make this drying throw into clothing in the cylinder and wait from clothing and remove moisture, make cloth drying and will contain wetly and drying that become high humility is expelled to the outer air channel of cylinder with air with air contact.
But, owing to carry out the drying of clothing in limited narrow cylinder space, therefore clothing twines each other in dry run, causes the dry winding part that can't contact clothing with air, thereby the part dried floral that clothing is twined is time-consuming, the problem that exists dry required time to increase.
And, there is a kind of following problem, that is, dried clothing etc. becomes the state of fold severity under the state that twines, and its solution for example is disclosed in the Japanese kokai publication hei 7-185196 communique (below be recited as " patent documentation 1 ").
Describe at patent documentation 1 disclosed clothesdrier below.
This drum-type washing drying machine possesses the load change amount detection unit of the variation of the induction-motor load when being used to detect the every rotation of cylinder one time, the variation of the induction-motor load when the every rotation of cylinder one time is that setting is when above, be judged as the clothing that is dried and twine, make the motor counter-rotating.
That is, only carry out the inversion driving of cylinder when the clothing that is dried takes place to twine, the driving dwell time that is used in the motor of cylinder counter-rotating thus becomes required Min., thereby shortens drying time.
Yet, in structure in the past, especially taking place under the situation of the long clothing mutual state that twines such as long sleeves cutter shirts, trousers etc. solidly, only making the cylinder counter-rotating is to be not enough to untie the winding of locker room.
In addition, the each generation all must be carried out inversion driving to cylinder when clothing twines, and when cylinder reversed, the motion of clothing temporarily stopped, dry stop with contacting of clothing or only limit to and a part of contact with clothing with warm braw, thus the result there are the following problems: cause prolongation drying time.
Summary of the invention
Clothesdrier of the present invention has: cylinder, and it accommodates dry object; Drum driven portion, it is rotated driving to cylinder; First air channel, it has first blow-off outlet that forms opening on cylinder; Second air channel, its have on cylinder form opening and air by sectional area less than the air of first blow-off outlet second blow-off outlet by sectional area; The air channel switching part, it optionally switches first air channel and second air channel; Air supplying part, it delivers to first air channel or second air channel with drying with air; And control part, its index drum drive division, wherein, air supplying part is blown as follows: when having selected first air channel, with big air quantity when having selected second air channel drying is blown out to cylinder from first blow-off outlet with air, when having selected second air channel, compare when having selected first air channel, with the high pressure high wind speed drying is blown out to cylinder from second blow-off outlet with air, and control part has been according to having selected first air channel still to select second air channel to come the index drum drive division, and switches the rotation sequential of cylinder.
Thus, can be achieved as follows a kind of clothesdrier: can fix with the fold that low consumption electric power amount is eliminated the clothing in the drying process effectively, the winding of locker room, can realize the minimizing that the fold of the shortening of drying time and clothing produces.
Description of drawings
Fig. 1 is the major part sectional view of the drum-type washing drying machine in the embodiments of the present invention 1.
Fig. 2 is the module circuit diagram of this drum-type washing drying machine.
Fig. 3 is the sequential chart of the action of this drum-type washing drying machine of expression.
Fig. 4 is the sequential chart of expression cylinder rotation sequential 1 shown in Figure 3.
Fig. 5 is the sequential chart of expression cylinder rotation sequential 2 shown in Figure 3.
Fig. 6 is another routine sequential chart of expression cylinder rotation sequential 2 shown in Figure 3.
Description of reference numerals
1: cylinder; 1a: rotating shaft; 2: carrying cylinder; 3: the drum driven motor; 3a～3c:3 phase winding; 4: air supplying part; 4a: air-supply fan; 4b: Air Blast fan motor; 5: outlet; 6: dehumidification portion; 7: the heating part; 8: the first blow-off outlets; 9: the first air channels; 10: the second blow-off outlets; 11: the second air channels; 12: the air channel switching part; 12a: valve; 13: circulation air path; 15: clothing amount test section; 16: compressor; 17: radiator; 18: restriction; 19: heat dump; 19a: position detecting element; 19b: position detecting element; 19c: position detecting element; 20: pipeline; 21: the frequency conversion drive circuit; 22: frequency changer circuit; 22a～22f: switch element; 23: alternating electromotive force; 24: load driving part; 25: feed water valve; 27: draining valve; 28: rectifier; 29: choking-winding; 30: smmothing capacitor; 31: water level detecting portion; 32: the input configuration part; 33: display part; 34: damper (damper); 35: the door body; 40: drainpipe; 50: heat pump assembly; 70: control part; 71: timer; 72: the rotating speed test section; 100: framework.
The specific embodiment
Below, with reference to accompanying drawing embodiments of the present invention are described.In addition, the present invention is not limited to this embodiment.
(embodiment 1)
Fig. 1 is the major part sectional view of the drum-type washing drying machine in first embodiment of the present invention, and Fig. 2 is the module circuit diagram of this drum-type washing drying machine.
In Fig. 1 and Fig. 2, the cylinder 1 that forms opening and have a tubular of bottom surface is accommodated washings.And cylinder 1 is included in the carrying cylinder 2 as the tank of the tubular that stores washings, and carrying cylinder 2 is supported in the framework 100.
In cylinder 1, establishing a side that forms opening is the place ahead, and the side with bottom surface is the rear, in Fig. 1, establishes the left side and is the place ahead, and the right side is the rear.By such definition the place ahead, rear and use the following drawings to describe.
On the bottom surface of cylinder 1, rotating shaft 1a is installed, the drum driven motor 3 (drum driven portion) of the rotating shaft 1a rotation that makes cylinder 1 is installed at the back side of carrying cylinder 2 with the state that tilts to the front upper place.In addition, the drainpipe 40 that is provided with the water supply pipe (not shown) of feed water valve 25 (with reference to Fig. 2) and is provided with draining valve 27 is connected carrying cylinder 2.
Be provided with opening door body 35 in opposite directions with cylinder 1 in the front surface side of framework 100, the user can come to put into from washings such as cylinder 1 taking-up clothing or to cylinder 1 washings such as clothing by beating opening door body 35.
On the internal perisporium face of cylinder 1, be provided with a plurality of projection bodies (not shown) towards the inboard.
By cylinder 1 is rotated with low speed, at suitable height place washings is fallen tangling washings by the projection body and holding up the back upward, stir action (action (tumbling) of rolling) thereby can apply to washings.
Be used to make the drying of cloth drying to be sent in the cylinder 1 by air supplying part 4 with air.Drying is removed moisture and is become moisture state from the washings in the cylinder 1 with air, and a large amount of aperture 1b from all sides that are arranged on cylinder 1 are discharged to outside the cylinder 1.
Be discharged to the outer drying of cylinder 1 and be discharged to the outside of carrying cylinder 2 with air from the outlet in the place ahead of being arranged on carrying cylinder 2 tops.The drying that is discharged to the outside of carrying cylinder 2 dehumidifies through dehumidification portion 6 with air, and 7 heat through the heating part.
Dehumidified and heat after drying be directed into first air channel 9 or second air channel 11 with air by air supplying part 4, blow out once more to cylinder 1.
First blow-off outlet 8 in first air channel 9 form air by sectional area greater than the air of second blow-off outlet 10 by sectional area, compare with second air channel 11, the pressure loss is little.Therefore, can in cylinder 1, blow out the drying air of big air quantity from first blow-off outlet 8.
The air of second blow-off outlet 10 in second air channel 11 passes through sectional area by sectional area less than the air of first blow-off outlet 8.Therefore, can in cylinder 1, blow out the drying air of comparing the high pressure high wind speed with first blow-off outlet 8 from second blow-off outlet 10.
Usually, under the situation of drum-type washing drying machine, the place ahead of the cylinder 1 of rotation and the gap between the carrying cylinder 2 form less to prevent the clothing of nipping as much as possible.Therefore, in so little gap, the little blow-off outlet of the pressure loss is set and spatially is difficult to realize, but it is less and blow out second blow-off outlet 10 of the wind of high-voltage high-speed by sectional area ratio that air can be set with big opening.
On the other hand, there is surplus on the space that first blow-off outlet 8 with big opening is set at the bottom surface side of the rear inner part of cylinder 1.And, as long as use the big lid 26 of opening ratio that constitutes by a large amount of paths hole that can ventilate to cover first blow-off outlet 8, the clothing etc. of just can in first blow-off outlet 8, not nipping.Therefore, the first little blow-off outlet 8 of the pressure loss can be set in the bottom surface at cylinder 1 rear.
In addition, make cylinder 1 tilt and be rotated under the situation that stirs clothing to the front upper place, little clothings such as socks, handkerchief, panties focus on the rear inner part of cylinder 1 easily, and long-sleeved vest, underpants, long sleeves cutter shirt, the isometric clothing of long sleeves nightwear focus on the place ahead of cylinder 1 easily.
Thereby, under the state that little clothing and robe thing mix, carry out under the dry situation, when the drying that blows out big air quantity when first blow-off outlet 8 from the rear inner part that is positioned at cylinder 1 use air, drying touched the little clothing of the rear side that concentrates on cylinder 1 earlier with air.
And,, therefore should drying pass little clothing with air and also arrive the robe thing in cylinder 1 the place ahead because little locker room forms a lot of gaps.Therefore, can make little clothing and robe thing all carry out drying efficiently, a lot of windings take place in particularly little clothing unlike the robe thing, therefore can carry out drying with the fold less state.
On the other hand, in the stirring in dry run, done folding easily and be easy to generate the robe thing of fold about sleeve etc. because it focuses on the place ahead of cylinder 1 easily, therefore from second blow-off outlet 10 in the place ahead of being positioned at cylinder 1 blow out dry during with air rate of drying faster.
And, by making from the drying of the high pressure high wind speed of second blow-off outlet 10 ejection with air contact robe thing, the robe thing launches easily, and by the dry air wind of using, therefore the robe thing moves well, can untie the winding of clothing and reduce the effect height of the generation of fold.
Air channel switching part 12 possess with the mode pivot suspension that can rotate on the branching portion in first air channel 9 and second air channel 11 valve 12a and valve 12a is rotated the not shown drive division of driving.
And air channel switching part 12 is arranged on the branching portion in first air channel 9 in the downstream that is formed at air supplying part 4 and second air channel 11.This air channel switching part 12 switches to some in first air channel 9 and second air channel 11 with drying with the passage that passes through of air.
When valve 12a turns to a side among Fig. 1 and when closing second air channel 11, first air channel, 9 sides become to be opened, the drying of sending here by air supplying part 4 with air by first air channel 9.
On the other hand, when valve 12a turns to the b side among this figure and when closing first air channel 9, second air channel 11 becomes opens, the drying of sending here by air supplying part 4 with air by second air channel 11.
The place disposes air supplying part 4 and air channel switching part 12 in the middle of circulation air path 13, after passing through outlet 5, dehumidification portion 6, heating part 7 successively from cylinder 1, send into to cylinder 1 from first blow-off outlet 8 or second blow-off outlet 10 once more and dryly use air, drying is circulated in drum-type washing drying machine with air.
In addition, switched to by air channel switching part 12 under the situation in second air channel 11, air supplying part 4 is so that the wind speed of second blow-off outlet 10 by second air channel 11 makes air-supply with fan 4a rotation greater than the mode of the wind speed by first blow-off outlet 8.For example, will be made as by the wind speed of first blow-off outlet 8 about 10m/s, will be made as more than the 50m/s by the wind speed of second blow-off outlet 10.
In addition, the wind speed by first blow-off outlet 8 and second blow-off outlet 10 is not limited thereto, as long as satisfy the condition of the wind speed of second blow-off outlet 10 greater than the wind speed of first blow-off outlet 8, just can be set at wind speed arbitrarily.
The drum-type washing drying machine of present embodiment is following structure: the air quantity by first air channel 9 is greater than the air quantity by second air channel 11, the wind speed of second blow-off outlet 10 by second air channel 11 is greater than the wind speed of first blow-off outlet 8 by first air channel 9, in the drying process process, make air channel switching part 12 move first air channel 9 and second air channel 11 are switched.
Therefore, outlet 5 is configured to than more close the place ahead, the rear of cylinder 1.In addition, outlet 5 also can be arranged in distance mode farthest from first blow-off outlet 8 second blow-off outlet 10 that is in cylinder 1 the place ahead near.
As mentioned above, from first blow-off outlet 8 position far away, the distance between first blow-off outlet 8 and the outlet 5 is elongated from second blow-off outlet 10 in cylinder 1 the place ahead is near by outlet 5 is configured in.
By such configuration outlet 5, the process of blowing from first blow-off outlet 8 at cylinder 1 rear, the drying that blows out from first blow-off outlet 8 spreaded all in the cylinder 1 before outside outlet 5 is discharged to cylinder 1 in large area with air.Thus, in cylinder 1, clothing contacts with air effectively with dry, can be with few consumption electric power amount drying clothes.
In addition, even outlet 5 is configured near second blow-off outlet 10, owing to the process of blowing, blow out the drying air of high pressure high wind speed from second blow-off outlet 10 from second blow-off outlet 10 in cylinder 1 the place ahead, therefore before from outlet 5 is discharged to cylinder 1 outside, dry also can be with air from the arrival rear, the place ahead of cylinder 1.
Thus, dry can variation with contacting not of air and clothing, can keep the drying of utilizing the high pressure high wind speed makes the fold expansion with air effect.
In addition, outlet 5 is configured in the upper side of cylinder 1, can with contact with clothing after drying with air be discharged to effectively the top.In addition, in not having the roller type clothes drying machine of washing function, also outlet 5 can be arranged on the position in addition, top of cylinder 1.On the other hand, in drum-type washing drying machine, owing to be subjected to the influence of washings, therefore expectation is arranged on outlet 5 position of the water level top of washings.
In addition, second blow-off outlet 10 forms opening on the top, the place ahead of cylinder 1.Thus, the clothing that can hold up the rotation by cylinder 1 and move blows the drying air of high pressure high wind speed effectively, and can improve and reduce the effect that fold produces.
In addition, in the present embodiment, only be provided with first blow-off outlet 8 in one first air channel 9, but a plurality of first blow-off outlets 8 also can be set.Similarly, show the example of second blow-off outlet 10 that one second air channel 11 only is set, but a plurality of second blow-off outlets 10 also can be set.
By this structure, can blow the dry air of using to a lot of positions of clothing, and can blow the dry air of using to clothing from all directions, therefore can shorten drying time.
Below carrying cylinder 2, be provided with the damper 34 that carrying cylinder 2 is supported.Damper 34 is because the vibration attenuation of the carrying cylinder 2 of generation when causing making swing roller 1 under the unbalanced state of weight such as the deflection of the clothing in the cylinder 1 of generation such as when dehydration.
Clothing amount test section 15 is installed on damper 34, and this clothing amount test section 15 because the changes in weight of the clothing in the carrying cylinder 2 that is supported etc. and displacement that the axle of damper 34 is subjected to displacement, detects the amount of clothing by detecting on above-below direction.
The drum-type washing drying machine of present embodiment is the structure of carrying out the dehumidifying and the heating of heat pump mode, possesses heat pump assembly 50.
And the heat dump 19 in the heat pump assembly 50 is equivalent to above-mentioned dehumidification portion 6, and radiator 17 is equivalent to above-mentioned heating part 7.
In addition, drum-type washing drying machine is not limited to carry out with heat pump mode the structure of cloth drying.For example, dehumidification portion 6 also can be direct with the water-cooled of drying with airborne water atomization, and heating part 7 also can be a heater.
Below, use Fig. 2 that the circuit structure of the drum-type washing drying machine in the present embodiment is described.
As shown in Figure 2, drum-type washing drying machine has control part 70.Control part 70 monitors by the set information of input configuration part 32 input and the operating state of each several part according to the user, control with washing, rinsing, dehydration, dry relevant process in a series of running move.
For example, the rotation of control part 70 index drum drive motor 3 in drying process, the action of control air supplying part 4, dehumidification portion 6 and heating part 7 is also controlled air channel switching part 12 and is come first air channel 9 and second air channel 11 are switched.
In addition, control part 70 has the timer 71 that first stipulated time described later and second stipulated time are carried out timing.As this timer 71, can use the internal timer that is embedded in control part 70.In addition, as timer 71, also can use and control part 70 time set independently.
In drum-type washing drying machine, carry out rectification by 28 pairs of alternating electromotive forces of rectifier 23, afterwards, carry out smoothing by the smoothing circuit that constitutes by choking-winding 29 and smmothing capacitor 30 and produce direct current power.Then, this direct current power is come to be rotated driving by 22 pairs of drum driven motor 3 of frequency changer circuit as driving electric power.
Be displayed on the display part 33 from the setting content of input configuration part 32 inputs.And control part 70 is controlled the action of feed water valve 25, draining valve 27, air supplying part 4, dehumidification portion 6, heating part 7 even loads by load driving part 24.
Drum driven motor 3 for example possesses stator with three phase winding 3a, 3b, 3c and the rotor with the permanent magnet at the two poles of the earth, can constitute the DC Brushless Motor that is provided with three position detecting element 19a, 19b, 19c.By being rotated control carrying out 22 pairs of drum driven motor 3 of frequency changer circuit that the mode of PWM control constitutes by switch element 22a～22f.
At this, the detected rotor position detection signal of position detecting element 19a～19c is imported into control part 70.Then, control part 70 to frequency conversion drive circuit 21 output control signals, carries out PWM control by connection, the off-state of 21 couples of switch element 22a～22f of frequency conversion drive circuit according to the rotor position detection signal.
By like this, control part 70 controls are to three phase winding 3a of stator, the energising of 3b, 3c, and the rotor that makes drum driven motor 3 is rotated with the rotating speed of expectation.In addition, the signal condition of the some position detecting element of control part 70 in three position detecting element 19a～19c detects its cycle when changing, and goes out the rotating speed of rotor according to this computation of Period by rotating speed test section 72.
The action and the action effect of the drum-type washing drying machine that constitutes following detailed description.
The generation etc. of the fold in the cloth drying process at first, is described.When in narrow cylinder 1, clothing being carried out drying, produce a lot of folds and residual on the clothing, therefore cause the user to feel discontented.
This is because clothing can't carry out drying under the state that launches fully in narrow cylinder 1.Especially used to produce a lot of folds in the clothings of a lot of cottons, caused dried deleterious.
In cotton fiber, be present under the intrastitial state at moisture, can freely move between fiber, clothing is done folding by the power of machinery even therefore stir clothing by the rotation of cylinder 1, when then when the direction of launching applies power, crooked part is launched and also can not be formed fold and residual.
But when drying is made progress and intrastitial moisture when reducing to some extent, the adhesion grow between cotton fiber causes the motion variation of fiber.At this moment, when being done to roll over by the power of machinery, keeps by fiber this state easily.
When intrastitial moisture became still less when proceeding dry, even then apply power to the direction of launching, fiber was still kept the state of being done folding and is not launched.This state is called the fixing of fold.Make cloth drying the phenomenon that fold is fixed such contradiction still must be taken place water evaporates when moisture reduces.Thereby make the fixing many more of fold, drying effect is poor more.
In narrow cylinder 1, can't avoid becoming the state that fiber is bent.Therefore, in order to alleviate fold, importantly reduce the quantity of fold and avoid being bent to form acute angle of fiber and fixed solidly.
Thereby the part that expectation is bent with fiber is launched and other parts bend this mode, and the position that changes bending continually launches fiber or bending, carries out drying.
On the other hand, under the state that moisture almost disappears carrying out drying under the state that fiber launches, even action mechanical power on bending direction next because interfibrous combination is strong, therefore also is difficult to be bent to form new fold.
According to above content, in drying process, the zone that exists fixing easily zone of fold and fold to be not easy to fix according to the drying regime of clothing.About the zone that the easily fixing zone of fold and fold are not easy to fix, use the index of aridity to describe by 1 definition of following formula.
The following expression index of aridity (%).
The index of aridity=(quality of the clothing of standard/contain the quality of the clothing of moisture) * 100 (formulas 1)
At this, the quality of the clothing of standard is meant the quality that weighs up with scale under the condition of 20 ℃ of temperature, humidity 65%.Therefore, when the drying of clothing was made progress to some extent, the quality that contains the clothing of moisture was sometimes compared with the quality of the clothing of standard and is lightened, and the index of aridity (%) exceeds 100% sometimes.
For the clothing that constitutes with the cotton fiber by the easiest generation fold is the index of aridity of benchmark, and roughly 85% (about 85%) to the zone of 100% (about 100%) roughly is the fixing easily zone of fold on the clothing.Be that the index of aridity of benchmark is the easiest fixing zone of fold on the clothing for 90% (about 90%) roughly to the zone of 100% (about 100%) roughly particularly with the clothing that constitutes by cotton fiber.
In addition,, neither carry out drying equably, the local uneven drying that produces for the drying regime of a clothing.For example, under the situation of long-sleeved blouse, the part drying of oxter is the slowest.
Therefore, usually, be not to be target, but be configured to finish drying process with the index of aridity (for example the index of aridity 102%～105%) that exceeds 100% the state that becomes super-dry so that the index of aridity during dry the end becomes 100%.
Thereby when, forming as lower area during with the drying process zoning according to the index of aridity: just having dewatered afterwards to the index of aridity is the zone of about 90% fold dry incipient stage of being difficult to fix; The index of aridity about 90% is to generation fold and its fixing zone that becomes dry mid-term stage how easily of the index of aridity about 100%; And the index of aridity exceeds 100% and zone that the dry ending phase of fold be difficult to take place.
Therefore, in the present embodiment, be made as: in the zone of dry mid-term stage, blow out the wind that clothing is significantly launched and have a high pressure high wind speed of the effect that reduces fold from second blow-off outlet 10 in second air channel 11 and contact clothing.
And be made as: at least one zone in dry incipient stage and dry ending phase, be blown into the wind of big air quantity from first blow-off outlet 8 in first air channel 9.Like this, in drying process, by first air channel 9 of the wind that blows out big air quantity with few consumption electric power and second air channel 11 that blows out the wind of the high pressure high wind speed with the effect that reduces fold are switched, thereby when producing, fold also realized economizing electrification reducing.
Can estimate to obtain the period of the dry incipient stage in the drying process, dry mid-term stage and dry ending phase according to begin elapsed time from drying process.Therefore, in the present embodiment, control part 70 according to timer 71 measured begin elapsed time from drying process, judge the period of the dry incipient stage in the drying process, dry mid-term stage and dry ending phase, control air channel switching part 12 switched first air channel 9 and second air channel 11 in the suitable moment.
More particularly, control part 70 will from drying process begin to through first stipulated time, for example the index of aridity of the clothing in cylinder reach till 90% during be judged as the dry incipient stage.In addition, control part 70 with first stipulated time through later to through second stipulated time, for example the index of aridity of the clothing in cylinder reach till 100% during be judged as dry mid-term stage.In addition, be judged as dry ending phase during till control part 70 finishes second stipulated time warp later to drying process.
As mentioned above, control air channel switching part 12 switched first air channel 9 and second air channel 11 in the suitable moment in the process of drying process, can reduce the generation of fold thus by an air supplying part 4 effectively.
And, be provided with in the process of drying process that little big air quantity carries out dry zone when consuming electric power than high wind speed.Therefore, compare with the situation that motor drives all the time with all the time the drying of high pressure high wind speed being blowed in the cylinder or increases by two Air Blast fans in order further to increase air quantity with air, can reduce total consumption electric power amount.
Like this, the drum-type washing drying machine of present embodiment can realize when realizing economizing electrification that the fold of clothing produces few good drying effect.
In addition, in the present embodiment, the dry incipient stage in drying process, dry mid-term stage and dry ending phase change cylinder rotation sequential according to the switching instant in the air channel in first air channel 9 and second air channel 11.
This is such as mentioned above, for according to eliminating fold the period of drying, and accelerates wind speed or improves air quantity to carry out drying efficiently, thereby realize energy-saving operation.But, wind to the mode of action of clothing according to separately wind speed (air quantity) and difference.Therefore, with drying stage, to the air supply method of clothing air-supply correspondingly comes index drum 1 by the sequential of the best rotation, will further realize energy-saving operation with this.
Below, describe at the rotation sequential of cylinder 1 with to the relation of the mode of action of clothing.
At first, the dry incipient stage till the index of aridity is about 90%, clothing generation fold is fixing few, therefore carries out drying efficiently by increasing air quantity (wind speed is low).At this moment, prevent dry because locker room twines with the variation that contacts of air with clothing integral body.
Make the direction of rotation of cylinder 1 carry out positive and negative upset to compare short time cycle.Thus, have and clothing is twined tail off, untie the such effect of clothing that is wound.Its result is made as the many patterns of toggle frequency in the dry incipient stage by cylinder being rotated sequential, can suppress the winding of clothing, and can carry out big air quantity and high efficiency dry operating.
Therefore then, at the dry mid-term stage of the index of aridity about 90% to the index of aridity about 100%, fold is easily fixed on the clothing, will carry out drying in air blowing out the drying of having accelerated wind speed (having reduced air quantity).
At this moment, make fold launches, also apply the winding that the wind of high pressure is untied clothing by the part that clothing is twined except act on clothing by the wind that makes the high pressure high wind speed.
Owing to decline is arranged slightly, therefore importantly avoiding during this period the dry variation of using between air and the clothing that contacts because of reducing dry (dehumidifying) ability of air quantity as far as possible.
And, in the rotation sequential of the cylinder 1 that the direction of rotation that makes cylinder 1 at short notice as the dry incipient stage is overturn, during the upset front and back constantly of cylinder direction of rotation, can temporarily stop clothing and be fallen so a series of motion by picking-up owing to the rotation of cylinder 1.Therefore, exist clothing to accumulate, dryly be difficult to touch the problem that clothing or dry position with air contact clothing concentrate on a part etc. with air in the bottom.
That is, high more with respect to the ratio of direction of rotation upset drying time, that make cylinder 1, dry efficient with air contact clothing descends more, causes prolong drying time.In order to prevent this situation, make the toggle frequency of cylinder direction of rotation and dry incipient stage compare minimizing at dry mid-term stage.
As mentioned above, have by the wind that makes high-voltage high-speed and act on the effect that clothing suppresses fold, winding.Therefore, do not need to make the direction of rotation of cylinder 1 to overturn and suppress fold, winding, therefore can reduce the toggle frequency of cylinder 1.
Therefore, in the present embodiment, be made as the dry little cylinder rotary mode of incipient stage of frequency ratio of the direction of rotation upset that makes cylinder 1.Thus, can improve dry contacting efficiency and shorten drying time, can carry out fold simultaneously, twine few dry operating with air and clothing.
In addition, at dry mid-term stage, in case the fold that forms can be fixing fast along with the carrying out of dry (dehumidifying), carry out drying when therefore need during whole, make the drying of high pressure high wind speed contact a large amount of clothings up hill and dale with air as far as possible, prevent that fixing of fold from further carrying out.
Therefore, by reducing the toggle frequency of cylinder rotation, prolong the time of cylinder 1 that makes, when will being launched by the clothing of picking-up, also increase the frequency that wind contacted of high-voltage high-speed, improve the effect that fold is launched by the rotation of cylinder 1 to same direction rotation.
In addition, during starting after the direction of rotation upset that just makes cylinder, clothing accumulates the bottom because cylinder 1 stops, therefore in order to hold up the clothing heap that accumulates the bottom and become heavy state, and need be than the big electric power of state that cylinder 1 is rotated.
Therefore,, reduce the consumption electric power amount of drum driven motor 3, and suppress the temperature rising of drum driven motor 3, can carry out energy-saving operation by reducing the toggle frequency of cylinder 1.
Surpass 100% dry ending phase in the index of aridity, with the dry incipient stage similarly, it is fewer that fold is fixed in the situation of clothing, therefore improves dry air quantity (wind speed is low) with air and carry out drying efficiently.
About the cylinder rotation, also similarly make direction of rotation carry out positive and negative upset to compare short time cycle with the dry incipient stage, reduce the winding of clothing thus, contact with clothing well, and carry out drying efficiently.Therefore, in dry ending phase cylinder is rotated sequential and be made as the many patterns of toggle frequency.
As discussed above, according to present embodiment, during clothing generation fold, winding, switch dry air quantity, wind speed best with air.In addition, cylinder is rotated sequential and be made as the rotary mode that produces fold, winding and dry the best with the contacting efficiency raising of air and clothing of clothing as inhibition.Thus, can realize province's electrification, realize that simultaneously the fold of clothing produces few good drying effect.
Below, use Fig. 3, Fig. 4, Fig. 5 illustrate the action of the drum-type washing drying machine under the situation of having used air channel shown in the described figure and cylinder rotation sequential switching instant.
Fig. 3 is the sequential chart of an example of aforesaid and dry incipient stage of expression, dry mid-term stage and dry ending phase corresponding wind channels and cylinder rotation sequential switching instant.
As shown in Figure 3, in drying process, during the dry incipient stage till beginning dry operating to the first stipulated time process, use air by first air channel 9 that sectional area is big and the pressure loss is little, the drying that blows out big air quantity from first blow-off outlet 8 at cylinder 1 rear contacts clothing with air.
That is, control part 70 control air channel switching parts 12 are opened first air channel, 9 sides, the beginning dry operating.In addition, control part 70 begins side by side to make timer 71 to pick up counting with dry operating, continues to keep the open mode in first air channel 9 till first stipulated time process.
In this case because the pressure loss in first air channel 9 is little, even therefore make Air Blast fan lower with the rotating speed of motor 4b, with few consumption driven by power air supplying part 4, also can obtain the wind of big air quantity.
Therefore, can realize the shortening of the drying time in the dry incipient stage and the reduction that consumes the electric power amount.At this moment, cylinder rotation sequential is made as to compare the pattern that short time cycle makes the positive and negative upset of direction of rotation.
As an example, establish cylinder rotation with as shown in Figure 4 cylinder rotation sequential 1 " 15 seconds (rotating speed 47rpm) of positive direction rotation-stop 3 seconds-opposite spin 15 seconds (rotating speed 47rpm)-stop 3 seconds ... " such pattern turns round repeatedly.Thus, can suppress to utilize the drying of big air quantity to realize the shortening of drying time and the reduction that consumes the electric power amount when clothing twines with air.
And, playing for first stipulated time through dry mid-term stage later from the beginning dry operating as shown in Figure 3, switch to second air channel 11 by air channel switching part 12, improve the rotating speed of Air Blast fan with motor 4b.
Thus, at dry mid-term stage, send the drying air that makes Air Blast fan rotate the high-voltage high-speed that obtains with big rotating speed with motor 4b less than second blow-off outlet 10 of first blow-off outlet 8 by sectional area from air.
That is, control part 70 is from the beginning dry operating when passing through for first stipulated time, and control air channel switching part 12 is opened second air channel, 11 sides, and control air supplying part 4 improves the rotating speed of Air Blast fan with motor 4b.
Afterwards, control part 70 continues to keep the open mode in second air channel 11 till second stipulated time process.In this case, owing to air clothing is spread out all the time, therefore reduce the generation of fold by the drying of high pressure high wind speed.
At this moment, at dry mid-term stage, cylinder is rotated sequential be made as the pattern that the frequency that makes the direction of rotation upset is less than the dry incipient stage.As an example, establish cylinder rotation with as shown in Figure 5 cylinder rotation sequential 2 " 60 seconds (rotating speed 47rpm) of positive direction rotation-stop 3 seconds-opposite spin 60 seconds (rotating speed 47rpm)-stop 3 seconds ... " such pattern turns round repeatedly.Thus, can not make the motion of clothing carry out drying, therefore the dry clothing of using air can continue contact movement in cylinder 1 although be the air quantity littler than the dry incipient stage with stopping, but shorten drying time as much as possible, can realize the reduction of consumption electric power amount during this period.
And, as shown in Figure 3,, switch to first air channel 9 by air channel switching part 12 in second stipulated time warp dry ending phase later.In dry ending phase, the contained amount of moisture of clothing is few, and this few moisture contacts and evaporates and need spended time with air with dry.
Therefore, the drying that need send into big air quantity in cylinder 1 increases the dry chance that contacts with moisture with air with air, thereby expectation can obtain big air quantity with low consumption electric power.
Therefore, use air by first air channel 9 that sectional area is big and the pressure loss is little, the drying that blows out big air quantity from first blow-off outlet 8 at cylinder 1 rear contacts clothing with air.That is, control part 70 is from the beginning dry operating when passing through for second stipulated time, and control air channel switching part 12 is opened first air channel, 9 sides, and control air supplying part 4 reduces the rotating speed of Air Blast fan with motor 4b.
Afterwards, control part 70 continues to keep the open mode in first air channel 9 till drying process finishes.In this case because the pressure loss in first air channel 9 is little, even therefore make Air Blast fan lower with the rotating ratio of motor 4b, with few consumption driven by power air supplying part 4, also can obtain the wind of big air quantity.Therefore, can realize the shortening of the drying time in the dry ending phase and the reduction of consumption electric power amount during this period.
At this moment, with the dry incipient stage similarly, cylinder is rotated sequential is made as the pattern of carrying out positive and negative upset with short time cycle relatively.By establish cylinder rotation with as shown in Figure 4 cylinder rotation sequential 1 " 15 seconds (rotating speed 47rpm) of positive direction rotation-stop 3 seconds-opposite spin 15 seconds (rotating speed 47rpm)-stop 3 seconds ... " such pattern turns round repeatedly, can suppress to utilize the drying of big air quantity to realize the shortening of drying time and the reduction that consumes the electric power amount with warm braw when clothing twines.
In addition, the cylinder of dry ending phase rotation sequential also can be made as and dry different sequential of incipient stage.For example, also can be made as rotary mode " 30 seconds (rotating speed 47rpm) of positive direction rotation-stop 3 seconds-opposite spin 30 seconds (rotating speed 47rpm)-stop 3 seconds ... "
By reducing the frequency of upset, the load that might alleviate motor prolongs the life-span of motor.In addition,, therefore exist with the dry incipient stage and compare the trend that is difficult to take place the clothing winding, therefore can reduce the toggle frequency of motor because the drying of clothing is proceeded in dry ending phase.
As mentioned above, present embodiment not only according to clothing be difficult to take place fold, winding during and clothing take place easily fold, winding during switch dry blow-off outlet, air quantity, wind speed best with air, also the rotation of cylinder 1 is made as the generation of the fold that suppresses clothing, winding and improves the rotation sequential of dry the best with the contacting efficiency of air and clothing.Thus, can when realizing economizing electrification, realize the winding of clothing, the few good drying effect of generation of fold.
Fig. 6 is other routine sequential chart of the cylinder rotation sequential 2 in the expression dry mid-term stage shown in Figure 5.Below, the action of the drum-type washing drying machine of the dry mid-term stage under the situation of having used cylinder rotation sequential shown in Figure 6 is described.
Played for first stipulated time through dry mid-term stage later in the beginning dry operating, switch to second air channel 11, improve the rotating speed of Air Blast fan with motor 4b by air channel switching part 12.
Thus, at dry mid-term stage, send the drying air that makes Air Blast fan be rotated the high-voltage high-speed that obtains with high rotating speed with motor 4b less than second blow-off outlet 10 of first blow-off outlet 8 by sectional area from air.
That is, control part 70 is from the beginning dry operating when passing through for first stipulated time, and control air channel switching part 12 is opened second air channel, 11 sides, and control air supplying part 4 improves the rotating speed of Air Blast fan with motor 4b.Afterwards, control part 70 open mode that continues to keep second air channel 11 is till through second stipulated time.
In this case, owing to clothing is spread out all the time by the wind of high pressure high wind speed, so fold reduces.Cylinder rotation sequential during this period is set as with respect to the rotating speed with regulation and makes the dry incipient stage of cylinder 1 rotation make the pattern of rotating speed every the stipulated time change.In addition, be made as with the dry incipient stage and compare the pattern that rotating speed is increased.
As an example, establish cylinder rotate to be with as shown in Figure 6 cylinder rotation sequential " positive direction rotation 60 seconds (in detail :)-stopped 3 seconds-opposite spin 60 seconds (in detail :)-stop 3 seconds ... " with rotating speed 47rpm rotation 10 seconds → with rotating speed 55rpm rotation 30 seconds → with rotating speed 65rpm rotation 20 seconds with rotating speed 47rpm rotation 10 seconds → with rotating speed 55rpm rotation 30 seconds → with rotating speed 65rpm rotation 20 seconds Yun Zhuan pattern repeatedly.
At this moment, by making cylinder 1 rotation with the rotating speed with dry incipient stage same degree at first, clothing falls in advance owing to gravity.Afterwards, by making cylinder 1 rotation, present the trend that clothing is attached at the inwall of cylinder 1 in the mode of comparing the rotating speed that increases cylinder 1 gradually with the drying incipient stage.
Thus, can make position change up and down in roller rotating process of the clothing in the cylinder 1,, can in limited scope, make drying contact clothing up hill and dale with air although be the high pressure high wind speed therefore.Its result, can improve dry contacting efficiency with air and clothing shorten drying time, efficiently with the fold expansion of clothing, and can carry out the few drying of fold with low consumption electric power.
In addition, in the present embodiment, be illustrated, but the present invention is not limited thereto, also can be applied to not possess the clothesdrier of washing function at the drum-type washing drying machine that possesses washing function and cloth drying function simultaneously.
As the structure example of clothesdrier, can be made as the structure of from drum-type washing drying machine shown in Figure 1, removing washing function.For example, as the clothesdrier that does not possess washing function, need on carrying cylinder 2, not connect water supply pipe, drainpipe 40, carrying cylinder 2 is constituted the water jacket of simple roller 1, other basic structure is made as identical the getting final product of drum-type washing drying machine with Fig. 1 as the tank of Fig. 1.
Claims (6)
1. clothesdrier, it has:
Cylinder, it accommodates dry object;
Drum driven portion, it is rotated driving to above-mentioned cylinder;
First air channel, it has first blow-off outlet that forms opening on above-mentioned cylinder;
Second air channel, its have on above-mentioned cylinder form opening and air by sectional area less than the air of above-mentioned first blow-off outlet second blow-off outlet by sectional area;
The air channel switching part, it optionally switches above-mentioned first air channel and above-mentioned second air channel;
Air supplying part, it delivers to above-mentioned first air channel or above-mentioned second air channel with drying with air; And
Control part, it controls above-mentioned drum driven portion,
Wherein, above-mentioned air supplying part is blown as follows: when having selected above-mentioned first air channel, with big air quantity when having selected above-mentioned second air channel drying is blown out to above-mentioned cylinder from above-mentioned first blow-off outlet with air, when having selected above-mentioned second air channel, compare when having selected above-mentioned first air channel, with the high pressure high wind speed drying is blown out to above-mentioned cylinder from above-mentioned second blow-off outlet with air, and
Above-mentioned control part has been according to having selected above-mentioned first air channel still to select above-mentioned second air channel to control above-mentioned drum driven portion, and switches the rotation sequential of above-mentioned cylinder.
2. clothesdrier according to claim 1 is characterized in that,
Above-mentioned second blow-off outlet forms opening towards the place ahead of above-mentioned cylinder.
3. clothesdrier according to claim 1 and 2 is characterized in that,
Compare when having selected above-mentioned first air channel, above-mentioned control part is reduced in the toggle frequency that makes the direction of rotation upset of above-mentioned cylinder when having selected above-mentioned second air channel.
4. clothesdrier according to claim 1 and 2 is characterized in that,
When having selected above-mentioned second air channel, above-mentioned control part is controlled above-mentioned drum driven portion makes the rotating speed of above-mentioned cylinder every the stipulated time change.
5. clothesdrier according to claim 1 and 2 is characterized in that,
The rotating speed of the above-mentioned cylinder when having selected above-mentioned first air channel is compared, and above-mentioned control part improves the rotating speed of the above-mentioned cylinder when having selected above-mentioned second air channel.
6. clothesdrier according to claim 1 and 2 is characterized in that,
Above-mentioned clothesdrier also has: tank in it is included in above-mentioned cylinder, and stores washings; Water supply pipe, it is provided with feed water valve from washings to above-mentioned tank that supply with; And drainpipe, it is provided with the draining valve of discharging the washings in the above-mentioned tank,
Wherein, above-mentioned clothesdrier possesses washing function.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010120024A JP2011244979A (en) | 2010-05-26 | 2010-05-26 | Clothes dryer |
| JP2010-120024 | 2010-05-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102260990A true CN102260990A (en) | 2011-11-30 |
| CN102260990B CN102260990B (en) | 2012-07-25 |
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ID=44650537
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101392213A Expired - Fee Related CN102260990B (en) | 2010-05-26 | 2011-05-26 | Clothes dryer |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2390405B1 (en) |
| JP (1) | JP2011244979A (en) |
| CN (1) | CN102260990B (en) |
| ES (1) | ES2400874T3 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102517859A (en) * | 2011-12-12 | 2012-06-27 | 海尔集团公司 | Drum-type integrated machine with washing and drying functions and drying control method therefor |
| CN103981674A (en) * | 2013-02-13 | 2014-08-13 | 日立空调·家用电器株式会社 | Vertical washing dryer |
| CN107012671A (en) * | 2017-04-25 | 2017-08-04 | 无锡小天鹅通用电器有限公司 | Drying unit and its furnace drying method, dryer, washing-drying integral machine |
| CN109402984A (en) * | 2017-08-18 | 2019-03-01 | 青岛海尔滚筒洗衣机有限公司 | Device for clothing processing |
| CN109402990A (en) * | 2017-08-18 | 2019-03-01 | 青岛海尔滚筒洗衣机有限公司 | Clothes processing method and device for clothing processing |
| CN111270469A (en) * | 2020-03-23 | 2020-06-12 | 珠海格力电器股份有限公司 | Washing machine and washing method |
| WO2020191963A1 (en) * | 2019-03-27 | 2020-10-01 | 无锡小天鹅电器有限公司 | Laundry treatment device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6034085B2 (en) * | 2012-07-26 | 2016-11-30 | 東芝ライフスタイル株式会社 | Clothes dryer |
| JP7491826B2 (en) | 2020-12-10 | 2024-05-28 | 東芝ライフスタイル株式会社 | Clothes dryer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102517859A (en) * | 2011-12-12 | 2012-06-27 | 海尔集团公司 | Drum-type integrated machine with washing and drying functions and drying control method therefor |
| CN103981674A (en) * | 2013-02-13 | 2014-08-13 | 日立空调·家用电器株式会社 | Vertical washing dryer |
| CN107012671A (en) * | 2017-04-25 | 2017-08-04 | 无锡小天鹅通用电器有限公司 | Drying unit and its furnace drying method, dryer, washing-drying integral machine |
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| CN109402984A (en) * | 2017-08-18 | 2019-03-01 | 青岛海尔滚筒洗衣机有限公司 | Device for clothing processing |
| CN109402990A (en) * | 2017-08-18 | 2019-03-01 | 青岛海尔滚筒洗衣机有限公司 | Clothes processing method and device for clothing processing |
| CN109402984B (en) * | 2017-08-18 | 2022-04-19 | 青岛海尔滚筒洗衣机有限公司 | Clothes treating device |
| CN109402990B (en) * | 2017-08-18 | 2022-04-22 | 青岛海尔滚筒洗衣机有限公司 | Clothes processing method and clothes processing device |
| WO2020191963A1 (en) * | 2019-03-27 | 2020-10-01 | 无锡小天鹅电器有限公司 | Laundry treatment device |
| CN111270469A (en) * | 2020-03-23 | 2020-06-12 | 珠海格力电器股份有限公司 | Washing machine and washing method |
| CN111270469B (en) * | 2020-03-23 | 2023-10-24 | 珠海格力电器股份有限公司 | Washing machine and washing method |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2400874T3 (en) | 2013-04-15 |
| CN102260990B (en) | 2012-07-25 |
| JP2011244979A (en) | 2011-12-08 |
| EP2390405A1 (en) | 2011-11-30 |
| EP2390405B1 (en) | 2013-01-09 |
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