WO2008018249A1 - Appareil de lavage et de séchage et procédé de commande de celui-ci - Google Patents
Appareil de lavage et de séchage et procédé de commande de celui-ci Download PDFInfo
- Publication number
- WO2008018249A1 WO2008018249A1 PCT/JP2007/062845 JP2007062845W WO2008018249A1 WO 2008018249 A1 WO2008018249 A1 WO 2008018249A1 JP 2007062845 W JP2007062845 W JP 2007062845W WO 2008018249 A1 WO2008018249 A1 WO 2008018249A1
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- WIPO (PCT)
- Prior art keywords
- washing
- water
- filter
- water tank
- main body
- Prior art date
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Classifications
-
- 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
- D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air
-
- 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
- D06F58/22—Lint collecting arrangements
Definitions
- the present invention relates to a washer / dryer such as a drum-type washer / dryer or a fully automatic washer and a control method thereof.
- FIG. 14 and 15 are schematic sectional views of a conventional drum type washer / dryer.
- the drum-type washing / drying machine includes an outer box 1, a water tank 4 disposed in the outer box 1, and a rotation disposed in the water tank 4 to store laundry.
- a drum 5, a transparent non-flexible outer door 3, an automatic door opening / closing mechanism 10 that automatically opens and closes the outer door 3, and a drying unit 24 for drying laundry are provided.
- An outer box opening la is provided on the front surface of the outer box 1.
- the laundry is taken in and out through the outer box opening la.
- the outer box opening la is opened and closed by an outer door 3 slidable in the vertical direction with respect to the outer box 1.
- a door that can be pivotally attached to the edge of the opening la by a hinge mechanism or the like is also known as a means for opening and closing the outer box opening la.
- an operation panel 11 having operation keys and a display unit is provided on the front upper portion of the outer box 1.
- a control unit 2 for controlling the operation of the drum-type washing machine is provided on the back side of the operation panel 11 (water tank 4 side), and a washing process, a rinsing process, a dehydration process, A drying process is performed continuously or each process independently.
- the water tank 4 is elastically supported by a suspension 8.
- the water tank 4 has a bottomed cylindrical shape having a water tank opening 4a that opens to face the outer box opening la.
- the water tank 4 is inclined and arranged sideways so that the rear side (right side in the figure) is at a low position.
- the water tank opening 4a and the outer box opening la are spaced apart from each other.
- a transparent lid 6 is attached to the water tank 4 by a hinge mechanism so that the water tank opening 4a can be freely opened and closed. Further, the lid 6 is rotated when the water tank opening 4a is closed.
- a convex portion 6a is provided that protrudes toward the inside of the rolling drum 5.
- a seal member 41 is disposed on the inner peripheral surface of the water tank opening 4a. When the water tank opening 4a is closed by the lid 6, the seal member 41 and the convex portion 6a are brought into close contact with each other. Keep 4a watertight.
- the rotating drum 5 has a bottomed cylindrical shape having a drum opening 5c that opens to face the water tank opening 4a. Further, the rotating drum 5 is inclined and disposed sideways so that the rear side (right side in the figure) is at a low position. That is, the rotational axis y_y of the rotary drum 5 is inclined so that the rear side is lowered by an angle ⁇ with respect to the horizontal direction.
- a motor 9 is connected to the rear portion of the rotating drum 5 through a shaft portion 5e, and the rotating drum 5 is driven to rotate under the control of the control unit 2.
- a plurality of small holes 5 a are provided in the entire peripheral wall of the rotary drum 5. This small hole 5a is formed between the space between the water tank 4 and the rotating drum 5 and the space in the rotating drum 5 with washing water (water such as tap water or bath water, or water containing a cleaning agent). ) And air.
- a baffle 5b is provided on the inner wall surface of the rotary drum 5 so as to protrude inward in the radial direction.
- the baffles 5b are provided at three locations, for example, at 120 ° intervals in the circumferential direction, and the lifting and dropping of the laundry are repeated as the rotating drum 5 rotates.
- the fluid balancer 5d surrounding the drum opening 5c from the outside causes the imbalance caused by the unevenness of the laundry and the washing water when the rotating drum 5 rotates by moving the sealed fluid inside the fluid balancer 5d. Reduce.
- the drying unit 24 includes a blower 31 and a heating device 32, and is provided in an upper portion of the water tank 4.
- the positions of the blower 31 and the heating device 32 in the drying unit 24 are the rear side of the blower 31 and the front side of the heating device 32 in the front-rear direction of the drum type washing and drying machine.
- the blower 31 includes a blower blade 34 inside a casing 33, and a fan motor 35 that rotationally drives the blower blade 34 is provided outside the casing 33.
- the fan motor 35 is directly connected to the blower blade 34, and rotates the blower blade 34 by a direct drive structure.
- the heating device 32 includes a heater 36 inside the heater case 26, and the inlet portion of the heater case 26 communicates with the outlet portion of the casing 33 of the blower 31.
- a drain valve 20 that is opened and closed by a drain valve motor (not shown) is installed below the water tank 4. By opening the drain valve 20, the water in the water tank 4 is drained to the outside through a flexible drain hose 19.
- an air duct 38 is disposed in front of the water tank 4.
- the air duct 38 has one end communicating with the outlet of the heater case 26 of the heating device 32 and the other end serving as an outlet 38a.
- the air heated by the heater 36 blows out from the outlet 38a toward the inside of the rotary drum 5.
- a dehumidifier 27 is disposed behind the water tank 4 in the outer box 1. This dehumidifier 27 cools and condenses the moisture of the air passing through the inside by pouring water from the top to dehumidify it.
- the dehumidifier 27 is hollow as a whole, and has a water inlet 27a and an air outlet 27b in the upper part, and an air inlet 27c that also serves as a water outlet in the lower part.
- the air outlet 27 b of the dehumidifier 27 is in communication with the inlet of the casing 33 of the blower 31, and the air inlet 27 c is in communication with the lower part in the water tank 4.
- the water inlet 27a is connected to a water supply device (not shown).
- the drum type washing and drying machine having the above configuration, after the user directly opens the lid body 6 by hand, the user puts the laundry into the rotating drum 5 through the outer box opening la, and the lid body 6 Close directly by hand. As a result, the inner peripheral edge 41a of the sealing member 41 is brought into close contact with the peripheral edge of the lid 6 and the water tank 4 is sealed. Then, when the user operates the operation panel 11 and starts a washing operation in response to a command from the control unit 2, first, the automatic door opening / closing mechanism 10 causes the external door 3 to follow the front plate 7 in the upward direction in the figure. Slide. Then, the outer door 3 draws a substantially arc-shaped movement locus, and the outer box opening la is closed by the outer door 3 as shown in FIG.
- the external door 3 slides downward along the front plate 7 by the automatic door opening / closing mechanism 10. Then, the outer box opening la is opened again as shown in FIG. The user opens the lid 6 directly by hand, and then takes out the laundry from the rotating drum 5.
- the fan motor 35 rotates the blower blade 34 and energizes the heater 36.
- the air blown from the blower 31 passes through the heater case 26 and is heated by the heater 36 to become a high temperature, and the blower duct 38, the air outlet 38a and the drum are opened.
- the laundry is dried on the laundry in the rotary drum 5 through the mouth portion 5c.
- the hot and humid air that has absorbed the moisture of the laundry in the rotating drum 5 flows out from the small holes 5 a provided in the peripheral wall of the rotating drum 5 into the space between the rotating drum 5 and the water tank 4.
- the hot and humid air enters the dehumidifier 27 and is dehumidified by being condensed by being cooled by the cold water flowing in the dehumidifier 27.
- the air dehumidified by the dehumidifier 27 is sent again to the heater 36 by the blower 31, heated by the heater 36, and sent into the rotary drum 5.
- the laundry in the rotary drum 5 is dried.
- the drying capacity may be reduced, for example, the drying time is increased.
- an object of the present invention is to provide a washing / drying machine and a control method thereof that can prevent the drying capacity from being lowered and reduce the load on the user.
- the washing and drying machine of the present invention includes:
- a washing and dewatering tub that is rotatably disposed in the water tank and contains laundry, and a suction port for sucking and sucking air in the water f, and sucking and sucking through the suction port.
- a blower that blows off the air into the washing and dewatering tank,
- a filter that is disposed to face the laundry dewatering tub and covers the suction port; a heating device that heats air sucked from the suction port and flowing into the laundry dewatering tub;
- a cleaning device that is attached to an attachment surface that is a part of the surface of the washing and dewatering tank on the water tank side and that draws a track that overlaps with the filter when the washing and dewatering tank rotates
- the cleaning device The cleaning device
- the cleaning unit is provided, and is disposed so that at least a part of the water supplied into the water tank is immersed, and is rotated in the opening direction with respect to the mounting surface, so that the rotation angle is the first angle.
- the cleaning unit comes into contact with the filter, and the cleaning unit approaches the mounting surface by rotation in the closing direction, and the cleaning unit and the filter are not in contact with each other;
- a biasing portion that biases the main body in the closing direction
- the blower sucks air in the water tank through the suction port and blows out the sucked air into the washing and dewatering tank.
- the suction port is covered with a filter, foreign matter in the air flowing toward the blower is removed by the filter.
- water is supplied into the water tank so that at least a part of the main body of the cleaning device is immersed in water by rotation of the washing and dewatering tank. Thereafter, the laundry dewatering tub is rotated in a predetermined direction to apply a dynamic pressure of water to the main body. At this time, rotation of the washing dehydration tank When the speed is a predetermined value, the main body rotates in the opening direction against the urging force of the urging portion, and the rotation angle of the main body becomes the first angle.
- the cleaning unit of the cleaning device comes into contact with the filter, so that the filter is cleaned by the cleaning unit and clogging of the filter can be prevented.
- the first angle is preferably an angle exceeding 0 °.
- the cleaning device includes a first stopper that prevents the rotation angle of the main body from exceeding the first angle.
- the first stagger prevents the rotation angle of the main body from exceeding the first angle, so that the main body does not open excessively and the cleaning part is securely attached to the filter. Can be touched.
- the cleaning device includes a second stopper that prevents the rotation angle of the main body from becoming less than a second angle smaller than the first angle.
- the second stopper prevents the rotation angle of the main body from becoming less than the second angle smaller than the first angle. It is possible to create a gap between them.
- the main body can be easily rotated in the opening direction without increasing the rotational speed of the washing and dewatering tub.
- the second angle is preferably an angle exceeding 0 °.
- the washing / dehydrating tank has a cylindrical shape, and the mounting surface is a bottom surface of the washing / dehydrating tank on the water tank side.
- the mounting surface is the bottom surface of the washing / dehydrating tub on the water tank side, even if the amount of water supplied to the water tank is reduced, a part of the mounting surface is used as water. I can soak. [0037] Therefore, even if the amount of water in the water tank is small, the cleaning device can be immersed in water and the filter can be cleaned by the taring device, which has a water-saving effect.
- the mounting surface is a bottom surface of the washing / dehydrating tub on the water tank side, the tally device can be easily mounted on the mounting surface.
- the rotation shaft of the main body is inclined with respect to the radial direction of the washing and dewatering tank.
- a method for controlling a washing and drying machine for controlling the washing and drying machine of the present invention comprising:
- the main body rotates. Rotate the laundry dewatering tub at a rotation speed such that the corner is at the first angle.
- the cleaning unit can be reliably brought into contact with the filter, and the clogging of the filter can be reliably prevented.
- the direction in which the laundry dewatering tub rotates in the rotation step is opposite to the direction in which the laundry dewatering tub rotates during the dehydration step.
- the direction in which the laundry dewatering tub rotates in the rotation step is opposite to the direction in which the laundry dewatering tank rotates during the dehydration step. Do not open during the process.
- the washing and drying machine of the present invention since the foreign matter in the air flowing toward the blower is removed by the filter because the suction port is covered with the filter, the blower ability of the blower is reduced. Therefore, it is possible to prevent a decrease in the drying capacity of the washing dryer.
- the washing and dewatering tank is moved in a predetermined direction at a predetermined rotation speed.
- the main body receives the dynamic pressure of water and rotates in the opening direction against the urging force of the urging unit, so that the rotation angle of the main body becomes the first angle, thereby cleaning the cleaning device. Since the part comes into contact with the filter, the filter is cleaned by the cleaning part, and clogging of the filter can be prevented.
- FIG. 1 is a schematic perspective view of a drum type washing and drying machine according to an embodiment of the present invention.
- FIG. 2 is a schematic sectional view taken along line F2-F2 in FIG.
- FIG. 3 is a schematic cross-sectional view taken along line F3-F3 in FIG.
- FIG. 4 is a schematic cross-sectional view taken along the line F4-F4 in FIG.
- FIG. 5 is a schematic view of the inner bottom surface of the water tank of the drum type washing and drying machine.
- FIG. 6 is a detailed view of the main part of FIG.
- FIG. 7 is a detailed view of the main part of FIG.
- FIG. 8 is a schematic diagram showing the air flow during the drying process.
- FIG. 9 is a schematic view of the outer bottom surface of the rotating drum of the drum type washing and drying machine.
- FIG. 10A is a schematic plan view of the cleaning device during non-cleaning.
- FIG. 10B is a schematic cross-sectional view taken along line F10B-F10B in FIG. 10A.
- FIG. 11A is a schematic plan view of the cleaning device during cleaning.
- FIG. 11B is a schematic sectional view taken along line F11B-F11B in FIG. 11A.
- FIG. 12 is a block diagram of the main part of the drum type washing and drying machine.
- FIG. 13 is a flowchart of one control method for the drum type washing and drying machine.
- FIG. 14 is a schematic cross-sectional view of a conventional drum type washing machine with an external door opened.
- FIG. 15 is a schematic cross-sectional view of the conventional drum type washing machine with the outer door closed.
- washing / drying machine of the present invention will be described in detail with reference to the illustrated embodiments.
- the following embodiment is an example embodying the present invention, and is not of a nature that limits the technical scope of the present invention.
- FIG. 1 shows a schematic view of a drum type washing / drying machine X according to an embodiment of the present invention as viewed obliquely from above.
- the drum type washing and drying machine X is covered with an outer box 101 on the outer periphery.
- An outer box opening 111 is provided on the front surface of the outer box 101.
- reference numeral 211 denotes an operation panel.
- FIG. 2 shows a schematic cross-sectional view taken along line F2-F2 in FIG.
- a door 103 for opening and closing the outer box opening 111 is attached to be rotatable by a hinge mechanism.
- an operation panel 211 having operation keys and a display unit is provided on the front upper portion of the outer box 101.
- a control unit 202 that controls the operation of the drum type washing and drying machine X is provided on the back side of the operation panel 211 (water tank 104 side). And by the input to the operation panel 211, the washing process, the rinsing process, the dehydrating process, and the drying process are performed continuously, or each process is performed independently.
- a suspension 108 that elastically supports the water tank 104 is installed in the outer box 101.
- a bottomed cylindrical water tank 104 is arranged in the outer box 101.
- the water tank 104 is inclined so that the rear side of a central axis L1 passing through the center of gravity in each cross section perpendicular to the cylinder axis (hereinafter referred to as “the central axis Ll of the water tank 104”) is lowered.
- a water tank opening 118 that opens to face the outer box opening 111 is provided on the front surface of the water tank 104.
- a bottomed cylindrical rotating drum 105 as an example of a washing and dewatering tank is disposed.
- the front surface of the rotating drum 105 is provided with a drum opening 126 that opens to face the water tank opening 118.
- a motor 109 is connected to the rear surface of the rotating drum 105, and the rotating drum 105 can be rotated in the water tank 104.
- the rotating drum 105 is inclined so that the rear side of the central axis (rotating shaft) L2 is lowered.
- a plurality of small holes 150 are formed in the entire peripheral wall of the rotary drum 105.
- This small hole 150 is formed between the space between the water tank 104 and the rotating drum 105 and the space in the rotating drum 105, such as washing water (water such as tap water or bath water, or water containing detergent) or Allow air to circulate.
- washing water water such as tap water or bath water, or water containing detergent
- Allow air to circulate.
- the central axis L2 of the rotating drum 105 is closer to the upper side than the central axis L1 of the water tank 104.
- An air supply duct 39 through which hot air to be supplied into the rotary drum 105 flows is disposed at the lower part of the space in the water tank 104.
- the front end of the air duct 39 is a blower opening 40 located between the lower edge of the water tank opening 118 and the lower edge of the opening 126 of the rotary drum 105.
- the air flowing in the direction of the arrow D1 through the air duct 39 exits the air outlet 40 and flows into the rotary drum 105.
- the rear end portion of the air duct 39 is connected to an air outlet 158 of a fan case 134 (see FIG. 6) described later.
- a heating device 132 is disposed inside the air duct 39.
- the heating device 132 includes a heater case 37 and a sheathed heater 138 that is mostly accommodated in the heater case 37.
- the heater case 37 is composed of a metal main body and a heat-resistant resin frame for fixing the main body, and the front end is connected to the air duct 39.
- the above-described sheathed heater 138 can heat the air in the water tank 104 and is disposed in an area that is immersed in the washing water in the water tank 104, so that the washing water in the water tank 104 can also be heated. S can.
- a packing 119 made of an elastic material such as rubber or soft resin is fixed to the water tank opening 118 of the water tank 104. As a result, when the door 103 is closed, the door 103 comes into close contact with the packing 119, so that the liquid in the water tank 104 can be prevented from leaking out of the water tank 104.
- a lower end portion of a water supply duct 120 for supplying washing water into the water tank 104 is connected to the upper part of the water tank 104.
- the upper end of the water supply duct 120 is connected to the lower part of the detergent case 14.
- the detergent case 14 is connected with a tap water supply channel 241 and a furo water supply channel 42.
- a water supply valve 43 is provided in the middle of the tap water supply channel 241, while a bath water pump 44 is provided in the middle of the bath water supply channel 42.
- the tap water supply channel 241 or the bath water supply channel 42 is a water supply channel. It is an example.
- a drain outlet 110 force S is provided below the water tank 104 so as to communicate with the air duct 39 and drain the washing water in the water tank 104.
- This drain port 110 is located downstream of the blower 131.
- the drain port 110 is connected to the upper end of the drain duct 21.
- the lower end of the drain duct 21 is connected to a drain hose 23 via a filter device 22.
- the liquid flowing through the drainage duct 21 can flow into the drainage hose 23 or the circulation hose 46 after passing through the filter device 22. Since the foreign material such as lint in the washing water that has flowed through the drainage duct 21 is removed, the entry of the foreign material into the drainage hose 23 or the circulation hose 46 can be prevented.
- the drain hose 23 is provided with a drain valve 25 that is opened and closed by a drain motor 124.
- the drain valve 25 is controlled to be opened when the washing water in the drain duct 21 flows to the drain hose 23 and closed when the washing water in the drain duct 21 flows to the circulation hose 46.
- the upper end of the circulation hose 46 is connected to the circulation nozzle 47.
- the circulation nozzle 47 is provided at the lower part of the front surface of the water tank 104 and is directed toward the rotary drum 105.
- the lower end portion of the circulation hose 46 is connected to a circulation pump 45 disposed behind the filter device 22.
- the circulation pump 45 sucks the wash water in the drainage duct 21 through the filter device 22 and discharges the sucked wash water to the circulation hose 46.
- the circulation pump 45 By operating the circulation pump 45 as described above, the washing water that has flowed out of the water tank 104 from the drain port 110 can be returned to the rotary drum 105 after passing through the filter device 22. In the washing process or the rinsing process, while washing water is circulated, foreign substances are removed to keep the washing water clean.
- a drying system 106 is provided at the entrance of the drain 110 that communicates with the air duct 39.
- the drying system 106 includes a blower 131, a heating device 132, a blower duct 39, and a dehumidifying heat exchanger 133 (see FIG. 3) described later.
- a dehumidifying path 164 (see FIG. 3) between the dehumidifying heat exchanger 133 and the blower 131, a filter 160 made of knitted metal yarns and having a net shape is installed.
- the blower 131, the heating device 132, the dehumidifying heat exchanger 133, the filter 160, and the blower duct 39 each include a central axis L1 of the water tank 104 and a horizontal axis orthogonal to the central line L1. It is provided below the surface that contains it. As a result, the members such as the filter 160 of the drying system 106 are immersed in the washing water and washed in the washing process or the rinsing process.
- 13 is a base and 142 is a thermistor. The thermistor 142 can detect the temperature of the air flowing in the air duct 39.
- FIG. 3 shows a schematic cross-sectional view taken along line F3-F3 in FIG.
- the dehumidifying heat exchanger 133 is connected to the upstream side of the blower 131 attached to the lower rear portion of the water tank 104. More specifically, the dehumidifying heat exchanger 133 is disposed in an area between the inner peripheral surface of the water tank 104 and the outer peripheral surface of the rotary drum 105 that is immersed in washing water during the washing process or the rinsing process. .
- the dehumidifying heat exchanger 133 includes a metal plate 49 arranged so that the front side is inclined to be higher than the rear side, and a stainless steel fixing attached to both sides of the metal plate 49. And a member 50 (see FIGS. 4 and 5).
- a cooling nozzle 51 is arranged above the front end of the metal plate 49.
- the cooling water supplied from the cooling nozzle 51 flows on the upper surface of the metal plate 49 to cool the metal plate 49. Thereby, the cooling water and the air flowing in the direction of the metal plate 49 force S and the arrow D2 are cooled, and the moisture contained in the air is effectively condensed.
- a blower 131 is attached to the lower part of the rear surface of the water tank 104.
- the inside of the blower 1 31 communicates with the space in the water tank 104 through the suction port 162, and the air in the water tank 104 is sucked into the blower 131 by the rotation of the blower fan 135.
- FIG. 4 shows a schematic cross-sectional view taken along line F4-F4 in FIG.
- the water tank 104 has a convex portion on the lower side, and a blower 131 is disposed so as to overlap the convex portion.
- the blower 131 has a fan case 134 on the outer periphery.
- a blower fan 135 is rotatably disposed in the fan case 134.
- the fan case 134 extends in the left-right direction of the convex portion below the water tank 104.
- a heating device 132 and a dehumidifying heat exchanger 133 are arranged in the convex portion. The space in which the heating device 132 is disposed communicates with the space in which the dehumidifying heat exchanger 133 is disposed through the suction port 162 and the blowout port 158.
- the center C1 of the water tank opening 118 is closer to the top surface of the outer casing 101 than the center C2 of the drum opening 126. That is, the water tank opening 118 is eccentric to the top surface side of the outer box 101 with respect to the drum opening 126.
- reference numeral 152 denotes a shaft. One end of the shaft 152 is connected to the blower fan 135.
- FIG. 5 shows a schematic view of the inner bottom surface of the water tank 104.
- the water tank 104 is viewed from the front, and a part of the water tank 104 is saved.
- a heating device 132 is disposed on the right side when viewed from the front side, and a heat exchanger 133 for dehumidification is disposed on the left side when viewed from the front side.
- the heating device 132 and the dehumidifying heat exchanger 133 are arranged so as to be parallel to the central axis L1 of the water tank 104.
- the dehumidifying heat exchanger 133 is located on the upstream side of the circulating air, while the heating device 132 is located on the downstream side of the circulating air.
- the air blower 131 is located downstream of the dehumidifying heat exchanger 133 and upstream of the heating device 132.
- the circulating air is generated during the drying process. More specifically, the air blower 131 is driven during the drying process. As a result, air is heated through the heating device 132 as shown by an arrow D5 in FIG. 2, and then blown out from the water tank opening 118 into the rotating drum 105 as shown by an arrow D1 in FIG. Is done.
- the air that has become highly humid due to evaporation of moisture from the wet laundry in the rotating drum 105 passes through the small holes 150 in the entire peripheral wall of the rotating drum 105, and the inner surface of the water tank 104 and the rotating drum 105. It flows out into the space between the outer surfaces and flows along the heat exchanger 133 for dehumidification as shown by the arrow D2 in FIG.
- the humid air is cooled and dehumidified by the dehumidifying heat exchanger 133 and the cooling water.
- the dehumidified air enters the blower 131 through the filter 160 and the suction port 162 as indicated by an arrow D3 in FIG.
- the dehumidified air flows as shown by an arrow D4 in FIG. 6, then flows from the outlet 158 toward the heating device 132, and is heated again by the heating device 132.
- the air circulation as described above is repeated, and the laundry is dried.
- FIG. 8 schematically shows the air flow during the drying step.
- the laundry is dried by circulating the air in the water tank 104 through the dehumidifying heat exchanger 133, the blower 131, and the heating device 132 in order during the drying process.
- fine dust such as cotton waste from the laundry passes through the filter 160 and enters the fan case 134 to the inner surface of the fan case 134, one end of the shaft 152, or the blower fan 135.
- Adhesive force During the next washing or rinsing process, the inside of the fan case 134, one end of the shaft 152 or the blower fan 135 is immersed in the washing water flowing into the fan case 134, so Garbage is washed away with washing water and removed.
- the air path in the fan case 134 is not narrowed, the resistance to the rotation of the blower fan 135 is not increased, and the air for drying the laundry can be circulated constantly and efficiently. .
- FIG. 6 shows a detailed view of the periphery of the filter 160 in FIG.
- the blower 131 is connected to the water tank 104 at an outlet 158 which is an outlet of the air.
- the air outlet 158 is connected to the rear end of the air duct 39.
- Reference numeral 141 in FIG. 6 is a thermistor. This thermistor 141 can detect the temperature of the air blown from the outlet 158.
- FIG. 7 shows a detailed view of the periphery of the filter 160 in FIG.
- the blower 131 includes a fan case 134, a blower fan 135 that is rotatably disposed in the fan case 134, a fan motor 136 that rotationally drives the blower fan 135, and one end of which blows air.
- a shaft 152 is connected to the fan 135, and the other end is connected to the fan motor 136, and a seal receiving portion 53 is provided so as to surround the shaft 152 in the radial direction. .
- the shaft 152 receives the rotational driving force of the fan motor 136 and rotates together with the blower fan 135. Further, one end of the shaft 152 is disposed so as to be immersed in the washing water flowing into the fan case 134 during the washing process or the rinsing process.
- the blower fan 135 blows air to dry the laundry during the drying process, but it can be controlled to rotate during the washing process or the rinsing process to generate a water flow. S can.
- the blower 131 is connected to the water tank 104 through a suction port 162 which is an inlet of the blower. And les. In the space between the suction port 162 and the metal plate 49, a filter 160 having a mesh shape formed by knitting metal threads is provided. The air in the water tank 104 does not pass through the filter 160, and the suction port 162 is opened. It is attached so as to cover the finlet 160 force S inlet 162 so that it does not pass through.
- the finelet 160 is attached to the inner surface of the bottom of the water tank 104 as shown in FIG.
- the filter 160 When the filter 160 is viewed from the inside of the aquarium 104, it has a substantially arc-symmetrical shape centered on the center line L3 of the drum-type washer / dryer X in a plan view, and the left side in the figure faces the inlet 162. is doing.
- the air inlet fan 135 is provided at the air inlet 162 so as to face the air inlet 162.
- FIG. 5 shows a dehumidifying heat exchanger 133 provided on the path of the air flowing toward the inlet 162.
- Air or washing water that has flowed through the dehumidification path 164 in a direction perpendicular to the paper surface of FIG. 5 passes through the filter 160 and flows into the blower 131.
- the washing water flows in the water tank 104 and the blower 131, and foreign matters such as lint contained in the washing water are collected by passing through the finole 160, and the air blower Intrusion of foreign matter into 131 is prevented. Since the foreign matter collected by the filter 160 is removed from the surface of the filter 160 by the water flow generated by the rotation of the rotary drum 105, the clogging of the filter 160 is eliminated.
- the filter 160 is disposed on the bottom surface of the water tank 104, it is difficult for foreign matters to reattach to the filter 160. Further, in the drying process, air flows in the water tank 104 and the blower 131, and foreign matters contained in the air are collected by passing through the filter 160, so that foreign matters enter the blower 131. Is prevented.
- the finoleta 160 is within a range where the suction force by the blower fan 135 is reached, that is, as shown in FIG. It is sufficient to cover only the left part in the figure below (the part facing the inlet 162).
- foreign substances carried by washing water or air in the actual washing process, rinsing process or drying process accumulate on the filter 160 over a long period of time. Therefore, in any case, foreign matter accumulates in a region facing the suction port 162 on the filter 160, which causes a reduction in suction efficiency.
- the finoleta 160 is disposed over an area larger than the opening area of the suction port 162 when viewed from the direction of the central axis L1 of the water tank 104.
- the filter 160 has a bulging portion 161 that swells in the direction of the water tank 104 (in the direction of the metal plate 49), as shown in FIGS. 6 and 7, which is not a simple flat plate. .
- the bulging portion 161 forms a ventilation path between the bottom surface of the water tank 104 and the filter 160 to ensure the long-term usability of the filter 160.
- the filter 160 may be a plastic molded product that is not a knitted metal thread, or a small circular plate punched out of a metal plate. Burr and return may occur around the hole formed by punching out the disc, which may cause lint and dust to be caught and block the small hole. Therefore, it is desirable that the filter 160 has a net structure in which wires are knitted in a mesh shape. In the case of such a mesh structure, not only is there no fear of burrs or return as described above, but the ratio of the area of the small holes to the area of the plate surface (ie, the aperture ratio) can be increased, resulting in excellent foreign matter. The ability as a collecting means can be demonstrated.
- a resin wire can be considered in addition to a metal wire, but a metal wire is preferable because its surface is smooth and lint and dust are not easily caught. Also, if the crossing part of the mesh of the wire rod is fixed, such as a metal coating made of knitted metal wire, the foreign matter may be caught between the crossed wire rods or the crossing part may move. The occurrence of problems such as fluctuations in the roughness of the eyes can be prevented.
- the mesh of the filter 160 may be lmm to 3mm. As described above, when the mesh size of the finelet 160 is set to 1 mm to 3 mm, it is possible to prevent the filter 160 from being prematurely clogged by relatively small foreign matters such as cotton dust. As described above, the provision of the filter 160 avoids the inconvenience that foreign matters such as lint and cotton dust get entangled with the blower fan 135 or the shaft 152 thereof. In addition, as described above, the region where the filter 160 is provided is affected by the air fan 135 up to a portion away from the suction port 162 that is directly opposite to the suction port 162 where the suction force is directly applied by the blower fan 135. As a result of maintaining the suction force of the fan 135 strongly, the drying capacity of the drum type washing dryer X can be maintained high for a long period of time.
- the filter 160 is automatically clogged by the water flow generated by the rotation of the rotating drum 105 in the washing process or the rinsing process, but the filter 160 is more reliably clogged.
- the filter 160 is cleaned by the mechanical force of the drum type washer / dryer X on the outer bottom surface 151 of the rotating drum 105 (the surface facing the water tank 104 on the motor 109 side) as shown in FIG. Yes
- Two cleaning devices 300 (only one shown in Fig. 9) are installed.
- One cleaning device 300 is in a 180-degree rotational symmetry position of the other cleaning device.
- the outer bottom surface 151 is an example of a mounting surface.
- FIG. 10A shows a schematic plan view of the cleaning device 300 when the filter 160 is not cleaned.
- Fig. 10B shows a schematic cross-sectional view taken along line F10B-F10B in Fig. 10A. In FIG. 10B, the position of the filter 160 is indicated by a two-dot chain line.
- the cleaning device 300 includes a stainless steel main body 301 that can rotate around one end with respect to the outer bottom surface 151 of the rotary drum 105, and the main body 301. Fixed to the outer bottom surface 151 of the rotary drum 105 with a fixing pin 306, a polyester or nylon brush 302 attached to the other end of the roller, a biasing spring 303 that biases the body 301 in the direction of arrow D11 And a fixed portion 304 made of stainless steel.
- the brush 302 is an example of a cleaning unit
- the biasing spring 303 is an example of a biasing unit.
- One end of the main body 301 is connected to one end of the fixed portion 304 by a hinge pin 305 so that the main body 301 can rotate with respect to the fixed portion 304. More specifically, a cylindrical portion is provided at each of one end of the main body 301 and one end of the fixing portion 304, and a cylindrical hinge pin 305 is passed through each cylindrical portion. [0099]
- the central axis of the hinge pin 305 is inclined by 10 ° with respect to the radial direction of the rotary drum 105 (see FIG. 9). That is, the rotation shaft of the main body 301 is inclined 10 ° with respect to the radial direction of the rotary drum 105.
- the mounting position of the cleaning device 300 is set so as to draw a track that overlaps the filter 160 when the rotary drum 105 rotates.
- the cleaning device 300 has a structure that regulates an angle formed by the main body 301 with respect to the fixed portion 304 (hereinafter referred to as “the rotation angle of the main body 301”). More specifically, in order to prevent the rotation angle of the main body 301 from exceeding 90 ° as an example of the first angle even when the main body 301 rotates in the direction of the arrow D10 (opening direction), Stopper 314 is provided. In order to prevent the rotation angle of the main body 301 from being less than 35 ° as an example of the second angle even when the main body 301 rotates in the direction of the arrow D11 (closing direction), the main body 301 has a stopper 31. 1 is provided. The stopper 311 is an example of a second stopper and the stopper 314 is an example of a first stopper.
- FIG. 11A shows a schematic plan view of the cleaning device 300 when the filter 160 is being cleaned.
- FIG. 11B shows a schematic cross-sectional view taken along line F11B-F11B in FIG. 11A. In FIG. 11B, the position of the filter 160 is indicated by a two-dot chain line.
- Cleaning of the filter 160 is performed in a state where the main body 301 is rotated in the direction of arrow D10 and the rotation angle of the main body 301 is 90 ° as shown in FIGS. 11A and 11B. As described above, the brush 302 comes into contact with the filter 160 in a state where the rotation angle of the main body 301 is 90 °.
- the filter 160 in the present embodiment may have a concave shape in the region E close to the center side of the rotary drum 105 as shown in FIG. Since the distance between the cleaning device 300 and the rotating shaft of the rotating drum 105 can be configured to be different from the distance between the other cleaning device and the rotating shaft of the rotating drum 105, the filter 160 is more It is possible to make it wide, and it is also possible to give a cleaning effect to such a dent region E.
- the rotation angle of the main body 301 does not exceed 90 ° by the stopper 314 of the fixing portion 304.
- FIG. 12 shows a block diagram of the main part of the drum type washing and drying machine X.
- the control unit 202 includes a calculation unit such as a CPU and a storage unit such as ROM and RAM, and performs overall control of the drum type washer / dryer X.
- 12 is an operation input interface provided on the operation panel 211 of the drum type washer / dryer X.
- the operation input unit 201 shown in FIG. The operation input information from the operation input unit 201 is input to the control unit 202.
- FIG. 13 is a flowchart showing the processing procedure by the control unit 202.
- step S1 it is determined whether or not a filter cleaning course has been selected by an operation of the operation panel 211 by the user. If it is determined that the filter cleaning course is selected, the process proceeds to the next step S2. On the other hand, if it is determined that the filter cleaning course is not selected, the determination in step S1 is performed again.
- step S2 water supply into the water tank 104 is started, and in step S3, a water level sensor is started.
- the predetermined water level is set higher than the water level in the water tank 104 at the time of the washing process of each washing course. That is, at the time of filter cleaning, more water is supplied into the water tank 104 than during the washing process of each washing course.
- step S4 water supply into the water tank 104 is stopped, and in step S5, the rotary drum 105 is rotated in the direction of arrow D8 in FIG.
- the control unit 202 controls the rotational speed of the rotary drum 105 to be 80 rpm.
- step S6 it is determined whether or not a predetermined time has elapsed since the rotation of the rotary drum 105 started. If it is determined that the predetermined time has elapsed, the process proceeds to the next step S7. On the other hand, if it is determined that the predetermined time has not elapsed, the determination in step S6 is performed again.
- step S7 the rotation of the rotating drum 105 is stopped, and then the water tank in step S8.
- steps S2 to S4 constitute an example of the water supply process
- steps S5 to S7 constitute an example of the rotation process.
- the main body 301 does not open, and the rotation angle of the main body 301 does not become 90 °.
- the rotating drum 105 alternately rotates in the direction of arrow D8 and in the direction of arrow D9.
- the rotational speed of the rotating drum 105 depends on the speed of the filter washing course. Since the rotation speed is set to 50 rpm, which is lower than the rotation speed, the urging force of the urging spring 303 exceeds the dynamic pressure of water.
- the main body 301 does not open even during the washing process of each washing course, and the rotation angle of the main body 301 does not become 90 °.
- the life of the brush 302 can be further extended.
- the main body 301 and the fixing portion 304 made of stainless steel, the main body and the fixing portion made of another metal or resin may be used.
- the main body 301 is attached to the outer bottom surface of the rotating drum 105 via the fixed portion 304.
- the main body 301 is attached to the outer bottom surface of the rotating drum 105 without the fixing portion 304. You may attach directly so that rotation is possible.
- the rotation axis of the main body 301 is inclined by 10 ° with respect to the radial direction.
- the rotation axis of the main body 301 is inclined at an angle other than 10 ° with respect to the radial direction. You may do so.
- the filter cleaning may be a course that also serves as a tank cleaning for cleaning the water tank 104 and the rotating drum 105, which is a dedicated course for removing foreign matter from the filter 160.
- the rotating drum 105 rotates at 80 rpm in the direction of arrow D8 in FIG. 9
- the main body 301 rotates in the direction of arrow D10 in FIG.
- the force that set the spring force of the biasing spring 303 so that it is 90 °.
- the biasing spring 303 has a rotation angle of 90 °.
- it is desirable that the rotational speed other than the above 80 rpm is higher than the rotational speed during the washing process of each washing course.
- the urging spring 303 may apply a tensile force to the main body 301 as long as it urges the main body 301 in the direction of arrow D11 in FIG. It may be given.
- the above filter cleaning may be performed alternately with rotation at a constant speed in the direction of arrow D8 in FIG. 9 and rotation at a constant speed in the direction of arrow D9 in FIG.
- the constant speed must be a speed at which the brush 302 contacts the filter 160 by rotating the main body 301 with the dynamic pressure of water.
- the filter cleaning can be performed even if the rotating drum 105 is rotated at a constant speed in the direction of arrow D8 in Fig. 9 if the mounting direction of the cleaning device 300 is reversed from the above embodiment.
- the constant speed must be such that the main body 301 is rotated by the dynamic pressure of water and the brush 302 contacts the filter 160.
- the water supplied to the water tank 104 by the above-described filter cleaning may contain a detergent or may not contain a detergent.
- the cleaning device 300 may be one force that is two, or may be three or more. Also, the cleaning device 300 may have a different distance in the radial direction of the rotary drum 105. You may attach to. That is, the number of cleaning devices 300 may be set as appropriate. However, when attaching more than one cleaning device 300, it is recommended that the total center of gravity of the attached more than one cleaning device 300 be on the rotation axis of the rotary drum 105. This is desirable because it can prevent vibration when the drum 105 rotates at high speed.
- all of the filter 160 is immersed in the water supplied to the water tank 104. However, a part or all of the filter 160 is not immersed in the water supplied to the water tank 104. Even so, the dynamic pressure of the water in the water tank 104 due to the rotation of the rotary drum 105 is applied to at least a part of the main body 301, and the brush 302 is brought into contact with the finoleta 160 to thereby fill the filter. 160 can be cleaned.
- the rotating drum is rotated at such a rotational speed that the main body 301 rotates with the dynamic pressure of water and the brush 302 contacts the filter 160 in all time zones.
- the force that does not rotate 105 the force that is rotating
- the rotating drum 105 is rotated at a rotation speed such that the main body 301 rotates with the dynamic pressure of water and the brush 302 contacts the filter 160 in some time zones. Moyore. In this case, even if the user does not select the filter cleaning course, the foreign matter can be automatically removed from the filter 160 in the washing process of each washing course.
- the above part of the time zone is the latter half of the washing process and before drainage.
- the rotating drum is rotated at such a rotational speed that the main body 301 is rotated by the dynamic pressure of water and the brush 302 is in contact with the filter 160 in all time zones.
- the force that does not rotate 105 the force that is rotating
- the rotating drum 105 is rotated at a rotation speed such that the body 301 rotates with the dynamic pressure of water and the brush 302 contacts the filter 160 in some time zones. Also good. In this case, even if the user does not select a filter cleaning course, it is possible to automatically remove foreign substances from the filter 160 in the rinsing process of each washing course.
- the above part of the time zone is preferably the latter half of the rinsing process and before drainage.
- the suction port 162 of the blower 131 is opposed to the outer bottom surface 151 of the rotary drum 105.
- the suction port 162 of the blower 131 may be opposed to the outer peripheral surface of the rotary drum 105.
- the cleaning device 300 may be attached to the outer peripheral surface of the rotary drum 105.
- the filter 160 may be detected whether or not the filter 160 is clogged at the end of the drying step. If it is detected that the filter 160 is clogged, the user may be informed that the filter 160 is clogged. Whether or not the filter 160 is clogged can be determined based on the air temperature detected by the thermistors 141 and 142.
- the present invention can be applied not only to a drum-type washing and drying machine but also to, for example, a fully automatic washing machine.
- a fully automatic washing machine As mentioned above, although embodiment of this invention was described, it is clear that this may be changed variously. Such modifications are not to be regarded as a departure from the scope of the invention. All modifications obvious to those skilled in the art are intended to be included within the scope of the following claims.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Cleaning In General (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007800294183A CN101501265B (zh) | 2006-08-10 | 2007-06-27 | 洗涤干燥机及其控制方法 |
US12/376,850 US7886563B2 (en) | 2006-08-10 | 2007-06-27 | Washing and drying apparatus and method of controlling the same |
AU2007282705A AU2007282705B2 (en) | 2006-08-10 | 2007-06-27 | Washing and drying apparatus and method of controlling the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-217996 | 2006-08-10 | ||
JP2006217996A JP4022239B1 (ja) | 2006-08-10 | 2006-08-10 | 洗濯乾燥機およびこの制御方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008018249A1 true WO2008018249A1 (fr) | 2008-02-14 |
Family
ID=38857853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/062845 WO2008018249A1 (fr) | 2006-08-10 | 2007-06-27 | Appareil de lavage et de séchage et procédé de commande de celui-ci |
Country Status (6)
Country | Link |
---|---|
US (1) | US7886563B2 (ja) |
JP (1) | JP4022239B1 (ja) |
CN (1) | CN101501265B (ja) |
AU (1) | AU2007282705B2 (ja) |
MY (1) | MY147115A (ja) |
WO (1) | WO2008018249A1 (ja) |
Families Citing this family (11)
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DE102005013051A1 (de) * | 2005-03-18 | 2006-09-21 | BSH Bosch und Siemens Hausgeräte GmbH | Kondensations-Wäschetrockner |
KR101253150B1 (ko) * | 2006-04-17 | 2013-04-10 | 엘지전자 주식회사 | 건조기 및 그 제어방법 |
US8997532B2 (en) * | 2011-03-18 | 2015-04-07 | Gregg M. Atkinson | Washing machine brush system and method |
KR102179815B1 (ko) * | 2014-02-20 | 2020-11-17 | 엘지전자 주식회사 | 음식물 처리기 |
CN105755580A (zh) * | 2016-03-16 | 2016-07-13 | 济南大学 | 一种全自动碳纤维原丝的清丝装置 |
TWI690637B (zh) * | 2016-05-16 | 2020-04-11 | 李孟蘭 | 洗衣機除垢裝置 |
WO2019132815A1 (en) * | 2017-12-26 | 2019-07-04 | Arcelik Anonim Sirketi | A laundry washing-drying machine |
CN108815968A (zh) * | 2018-07-09 | 2018-11-16 | 芜湖万向新元环保科技有限公司 | 一种车间除尘效果好的装置 |
US11585038B2 (en) | 2019-11-21 | 2023-02-21 | Whirlpool Corporation | Laundry treating appliance with a filter |
CN112856620B (zh) * | 2021-03-24 | 2022-05-31 | 深圳市凯思诺科技有限公司 | 一种可远程控制的全自动智能除湿机 |
EP4212662A1 (en) * | 2022-01-18 | 2023-07-19 | BSH Hausgeräte GmbH | Washer-dryer comprising a fluff filter in the tub and process for operating the washer-dryer |
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2006
- 2006-08-10 JP JP2006217996A patent/JP4022239B1/ja not_active Expired - Fee Related
-
2007
- 2007-06-27 US US12/376,850 patent/US7886563B2/en not_active Expired - Fee Related
- 2007-06-27 AU AU2007282705A patent/AU2007282705B2/en not_active Ceased
- 2007-06-27 MY MYPI20090483A patent/MY147115A/en unknown
- 2007-06-27 WO PCT/JP2007/062845 patent/WO2008018249A1/ja active Application Filing
- 2007-06-27 CN CN2007800294183A patent/CN101501265B/zh not_active Expired - Fee Related
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JPH0326292A (ja) * | 1989-06-23 | 1991-02-04 | Sharp Corp | ドラム式洗濯・乾燥機 |
JP2005143790A (ja) * | 2003-11-14 | 2005-06-09 | Matsushita Electric Ind Co Ltd | 洗濯乾燥機 |
Also Published As
Publication number | Publication date |
---|---|
AU2007282705B2 (en) | 2010-12-23 |
JP4022239B1 (ja) | 2007-12-12 |
CN101501265B (zh) | 2011-01-12 |
US7886563B2 (en) | 2011-02-15 |
CN101501265A (zh) | 2009-08-05 |
JP2008036325A (ja) | 2008-02-21 |
AU2007282705A1 (en) | 2008-02-14 |
MY147115A (en) | 2012-10-31 |
US20100175432A1 (en) | 2010-07-15 |
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