WO2012086345A1 - Machine à laver et sèche-linge - Google Patents

Machine à laver et sèche-linge Download PDF

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Publication number
WO2012086345A1
WO2012086345A1 PCT/JP2011/076504 JP2011076504W WO2012086345A1 WO 2012086345 A1 WO2012086345 A1 WO 2012086345A1 JP 2011076504 W JP2011076504 W JP 2011076504W WO 2012086345 A1 WO2012086345 A1 WO 2012086345A1
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WO
WIPO (PCT)
Prior art keywords
washing
steam
supply
water
water vapor
Prior art date
Application number
PCT/JP2011/076504
Other languages
English (en)
Japanese (ja)
Inventor
小森　正憲
Original Assignee
シャープ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by シャープ株式会社 filed Critical シャープ株式会社
Priority to CN201180060243.9A priority Critical patent/CN103282572B/zh
Publication of WO2012086345A1 publication Critical patent/WO2012086345A1/fr

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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
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/40—Steam generating arrangements
    • 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
    • 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
    • D06F2103/06—Type or material
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/38—Conditioning or finishing, e.g. control of perfume injection
    • D06F2105/40—Conditioning or finishing, e.g. control of perfume injection using water or steam
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/65—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of conditioning or finishing phases, e.g. for smoothing or removing creases

Definitions

  • the present invention relates to a washing and drying machine provided with steam supply means for supplying water vapor into a rotating drum that rotates in a washing tub.
  • washing and drying machine with improved washing performance and various functions has been proposed.
  • a steam generator As one of this type of washing and drying machine, a steam generator, a steam supply pipe for guiding the steam generated by the steam generator to the peripheral surface of the washing tub, and a steam diffusion attached to the outlet of the steam supply pipe 2.
  • a laundry dryer that includes a nozzle, rotates in a washing tub, and is configured to supply water vapor to the inside of a rotating drum having a through hole (for example, Patent Document 1).
  • a washing dryer having a conventional steam generator water vapor is supplied even during a drying operation after completion of washing, and water is applied to the laundry in the middle of drying to remove wrinkles from the laundry. There is something that was configured.
  • water vapor is supplied even during a drying operation after completion of washing, and water is applied to the laundry in the middle of drying to remove wrinkles from the laundry.
  • washing performance can be improved, and additional functions such as sterilization of laundry and wrinkle removal during drying can be realized.
  • the present invention has been made in view of such circumstances, and can quickly wet the laundry, efficiently increase the temperature of the entire laundry and the washing liquid, and can provide a good cleaning effect.
  • An object of the present invention is to provide a washing and drying machine that can shorten the drying time and save water.
  • the washing / drying machine is a washing / drying machine comprising steam supply means for supplying water vapor to an inner side of a rotating drum rotating in a washing tub, and operation control means for controlling washing and drying operations.
  • the steam supply means includes an opening edge supply pipe provided at an opening edge of the washing water tub so as to supply the water vapor toward the inside of the rotary drum, and the water vapor is provided outside the peripheral surface of the rotary drum. It is provided with the surrounding surface supply pipe
  • the washing / drying machine has a plurality of holes provided in a peripheral surface of the rotating drum, and the rotating drum in which the water vapor supplied to the peripheral surface of the washing tub is ejected by the peripheral surface supply pipe.
  • the peripheral surface portion is characterized by having an aperture ratio larger than that of the other portions.
  • the washing / drying machine according to the present invention is characterized in that the number of holes provided in the peripheral surface portion is larger than that of other portions.
  • the washing / drying machine according to the present invention is characterized in that a plurality of the opening edge supply pipes are provided at the opening edge of the washing tub.
  • the steam supply means includes a steam generator that generates the water vapor
  • the operation control means is provided from the steam generator to the opening edge supply pipe and the peripheral surface supply pipe. It is configured to control the supply amount of the water vapor.
  • the washing / drying machine includes an amount detection unit that detects an amount of laundry accommodated in the rotary drum, and the operation control unit is configured based on the amount detected by the amount detection unit.
  • the supply amount of the water vapor from the steam generator to the opening edge supply pipe and the peripheral surface supply pipe is controlled.
  • the operation control unit when the amount detected by the amount detection unit is equal to or greater than a predetermined value, the operation control unit is configured to connect the opening edge supply pipe and the peripheral surface supply pipe from the steam generator. The water vapor is supplied to both.
  • the washing / drying machine is characterized in that the operation control means supplies the water vapor from the steam generator to the peripheral surface supply pipe when controlling the drying operation.
  • the washing / drying machine includes cloth quality determination means for determining whether the laundry cloth is hydrophilic or hydrophobic, and the operation control means is determined by the cloth quality determination means.
  • the supply amount of the water vapor from the steam generator to the opening edge portion supply pipe and the peripheral surface supply pipe is controlled based on the cloth quality.
  • water vapor can be supplied to the center of the laundry in the rotating drum by the opening edge supply pipe and to the outer periphery of the laundry by the peripheral surface supply pipe. Accordingly, the laundry can be wetted quickly, the temperature of the laundry and the washing liquid can be increased efficiently, and a good cleaning effect can be obtained by the swelling action. Since the washing power is improved, the washing operation time can be shortened, and the laundry detergent solution warmed by steam as a whole has a low viscosity, so that the foaming at the time of dehydration is good, water saving effect, energy saving Can be achieved.
  • the aperture ratio of the peripheral surface portion can be easily increased.
  • the opening edge supply pipes are provided at the opening edge, the amount of water vapor directly supplied to the laundry without loss from the opening edge supply pipe is increased, and the cleaning effect is further improved.
  • the supply amount of water vapor to the opening edge supply pipe and the peripheral surface supply pipe is controlled according to the amount of laundry. For example, when the amount of laundry is large and the supply of water vapor using only the opening edge supply pipe does not contact the water on the laundry on the bottom side of the rotating drum, the water supply from the steam generator to the peripheral surface supply pipe is performed. Thus, water vapor can be brought into contact with the entire laundry substantially uniformly, and a good cleaning effect can be obtained. And, when the amount of laundry is large, by supplying water vapor from the steam generator to the peripheral surface supply pipe before the end of the drying step, it is possible to contact the water vapor substantially uniformly over the entire laundry, It can finish well.
  • the humidity of the entire rotating drum can be increased, and wrinkles can be suppressed and finished well.
  • the supply amount of water vapor to the opening edge supply pipe and the peripheral surface supply pipe is controlled according to the quality of the laundry.
  • the fabric is hydrophilic, it is more likely to become dirty than when it is hydrophobic. Also, wrinkles are easier when drying. Therefore, when the cloth quality is hydrophilic, it is possible to perform cleaning with increased detergency by supplying water vapor to the opening edge supply pipe and the peripheral surface supply pipe during washing.
  • the surface of the fiber is raised by supplying water vapor through the peripheral surface supply pipe during drying, and the fabric can be finished softly with wrinkles extended.
  • water vapor can be supplied to the center of the laundry in the rotating drum by the opening edge supply pipe and to the outer peripheral part of the laundry by the peripheral surface supply pipe. Wetting is performed quickly, and the temperature of the entire laundry and the washing liquid can be increased efficiently. Therefore, a good cleaning effect can be obtained, the washing and drying time can be shortened, and water can be saved to save energy.
  • FIG. 1 is a perspective view showing an appearance of a washing / drying machine according to an embodiment of the present invention
  • FIGS. 2 and 3 are longitudinal sectional views showing an internal configuration of the washing / drying machine according to the embodiment of the present invention
  • FIG. It is a schematic diagram which shows the structure of a steam generation part.
  • the washing and drying machine according to the embodiment of the present invention includes a water tank (washing water tank) 2 inside an outer box 1 as an exterior.
  • the aquarium 2 is a large-diameter bottomed cylindrical body provided with an opening 20 for loading laundry on one side, and a plurality of support legs 21 erected on the bottom surface of the outer box 1 (only one is shown). Thus, it is elastically supported with the opening 20 side inclined upward.
  • the inclination angle of the water tank 2 is about 5 ° to 30 ° with respect to the horizontal plane.
  • a laundry inlet 11 is opened at a position facing the opening 20 of the water tub 2 so as to be opened and closed by a lid 10.
  • the space between the opening 20 is liquid-tightly sealed by a bellows 12.
  • a drum (rotary drum) 3 is supported coaxially with the water tank 2.
  • the drum 3 is a bottomed cylindrical body having a slightly smaller diameter than the water tank 2, and an opening 30 for loading laundry is opened on one side.
  • the drum 3 faces the opening 30 inside the opening 20 of the water tank 2 and is connected to the end of the output shaft 40 of the drum motor 4 fixed at the center of the bottom of the water tank 2. Therefore, it is configured to rotate inside the water tank 2.
  • a fluid balancer 31 is provided around the opening 30 of the drum 3 so as to absorb vibrations associated with the rotation of the drum 3.
  • the drum motor 4 is fixed inside a motor chamber 41 connected to the outside of the bottom plate of the water tank 2.
  • the output shaft 40 of the drum motor 4 protrudes into the water tank 2 through the bottom plate of the water tank 2 in a liquid-tight manner, and the drum 3 is connected to the protruding end.
  • a large number of holes 34 are formed through the entire circumference in the central portion of the circumferential surface of the drum 3 where water vapor is injected from a vapor injection port 55 described later.
  • holes 35 are formed through the entire periphery of the peripheral surface other than the above-described portions, that is, on the opening 30 side and the bottom surface side, with the space between the holes being larger than the holes 34.
  • a plurality of baffles 33 extending in the axial length direction are provided on the inner surface of the drum 3 so as to be evenly spaced in the circumferential direction. In FIG. 2, only a part of the holes 34 and 35 and one baffle 33 are shown.
  • the holes 34 or the holes 35 are not limited to the case where the holes 34 or 35 are formed over the entire circumference of the drum 3, and a group of holes 34 or a group of holes 35 including a plurality of groups equally spaced in the circumferential direction. You may decide to form.
  • the lid body 10 includes a grip portion 13 that is gripped for opening and closing, and a door opening button 14 is disposed on the front surface of the outer box 1 in the vicinity of the lid body 10.
  • the lid body 10 is opened and closed by operating the grip portion 13 or the door opening button 14.
  • Laundry thrown in from the slot 11 provided on the front surface of the outer box 1 is introduced into the drum 3 through the openings 20 and 30.
  • washing water inside the water tub 2 flows from the holes 34, 35 provided on the peripheral surface, and a plurality of baffles 33 project from the inner surface of the drum 3.
  • the laundry put in is immersed in the flowing wash water, and is stirred and washed while being lifted and dropped by the baffle 33.
  • an operation panel 15 having operation keys for various operations and a display unit for various displays is provided on the front upper portion of the outer box 1.
  • the operation panel 15 is connected to a control unit (operation control means) 16 (see FIG. 2) provided inside the operation panel 15.
  • the operation of the washing / drying machine including the washing operation, the dehydration operation, and the drying operation is executed by the operation of the control unit 16 based on the operation content of the operation panel 15.
  • a water supply port 17 serving as a connection end to the water supply is provided on the rear upper surface of the outer box 1, and the water supply port 17 is provided with a water supply valve 18 (FIG. 2) provided inside the outer box 1 as shown in FIG. 2.
  • the water supply valve 18 is a multiple solenoid valve having a plurality of water supply outlets.
  • the first water supply outlet of the water supply valve 18 is connected to the upper peripheral surface in the vicinity of the bottom plate of the water tank 2 through the water supply pipe 19, and when the water supply valve 18 is switched to the first water supply outlet, Water is supplied into the water tank 2 through a water supply valve 18 and a water supply pipe 19.
  • a detergent case can be arranged in the middle of the water supply pipe 19 so that an appropriate amount of detergent is introduced together with the water supply.
  • a water conduit 22 is connected to the circumferential surface near the bottom plate at the lowest position in the water tank 2, and this water conduit 22 is a cylindrical filter case fixedly supported at the front lower part inside the outer box 1.
  • 23 Inside the filter case 23 is housed a lint filter 24 that captures foreign matter mixed in the water.
  • the lower portion of the filter case 23 is connected to a drain pipe 26 laid along the bottom surface of the outer box 1 via a drain valve 25, and the drain pipe 26 is connected to a sewer pipe.
  • a return pipe 28 is connected to the rear end portion of the filter case 23 via a circulation pump 27, and the return pipe 28 extends upward along the front portion of the water tank 2, and opens the water tank 2. It is connected to the edge from above.
  • An air trap 36 is provided on the water tank 2 side of the water guide pipe 22, a pressure guide pipe 37 is connected to the air trap 36, and a water level sensor 38 is provided at the upper end of the pressure guide pipe 37.
  • the water level sensor 38 communicates with the water tank 2 via the pressure guiding pipe 37 and the air trap 36 so that the pressure (water pressure) due to the water level in the water tank 2 is transmitted to the water level sensor 38.
  • the water level sensor 38 includes a coil and a magnetic body, and the magnetic body moves in the coil in accordance with a pressure change due to the water level in the water tank 2. And it is comprised so that the inductance of the coil produced by the position of the magnetic body in a coil may be detected as an oscillation frequency, and the water level in the water tank 2 may be detected.
  • Washing water supplied to the water tank 2 is introduced into the filter case 23 through the water conduit 22 and fills the inside of the filter case 23.
  • the circulation pump 27 attached to the filter case 23 is continuously or intermittently driven during the aforementioned washing operation. By this driving, the washing water inside the filter case 23 is sucked into the circulation pump 27 and pressurized, and is fed to the upper part of the water tank 2 through the return pipe 28, and the laundry inside the drum 3 is fed from the tip of the return pipe 28. It is sprayed on and acts to enhance the cleaning effect. Since the wash water in the water tank 2 is continuously supplied to the inside of the filter case 23 through the water conduit 22, the circulation of the wash water from the water tank 2 through the inside of the filter case 23 and back into the drum 3 occurs. . Foreign matters such as fiber waste contained in the circulating washing water are captured and removed by the lint filter 24 provided in the filter case 23, and clean washing water is passed through the return pipe 28 inside the drum 3. It will be poured down.
  • the drain valve 25 provided in the lower part of the filter case 23 is opened after the above washing operation. By this opening, the washing water inside the water tank 2 is discharged to the drain pipe 26 through the water conduit 22 and the filter case 23 and drained to the sewer pipe. Even during this drainage, the foreign matter contained in the wash water is captured by the lint filter 24 inside the filter case 23, so that there is no possibility of being discharged to the sewer pipe through the drain pipe 26, thereby reducing the environmental load. Yes.
  • the drying unit 9 is heated and dried by a blower 91, a PTC (Positive Temperature ⁇ ⁇ ⁇ Coefficient) heater 92, a case 95 attached to the upper surface of the outer box 1 and containing a drying filter 94.
  • a blower duct 96 for blowing air to the drum 3 and a heat exchanging portion 93 provided on the back side of the water tank 2 are provided.
  • the blower 91 includes a fan case 91a, a rotary blade 91b accommodated in the fan case 91a, and a fan motor 91c that rotationally drives the rotary blade 91b, and is attached to the upper part of the water tank 2.
  • the fan motor 91c is connected to the rotary blade 91b and is configured to rotationally drive the rotary blade 91b by a direct drive structure.
  • the PTC heater 92 is disposed between the fan case 91 a and the blower duct 96 in the blower 91 and heats the air blown by the blower 91.
  • a blower opening 97 of the blower duct 96 is provided at the opening edge of the water tank 2, and warm air is blown out from the blower opening 97 toward the lower portion of the drum 3.
  • the heat exchanging portion 93 is formed so as to connect the opening 93 a on the blower 91 side at the upper part of the water tank 2 and the opening 93 b at the lower back of the water tank 2. Cooling water is passed through the peripheral wall of the heat exchange section 93.
  • a first temperature sensor 93c and a second temperature sensor 93d are provided on the openings 93b and 93a side of the heat exchanging section 93, respectively, and detect temperatures (air and cooling water temperatures) in the vicinity of the openings 93b and 93a. To do.
  • the drying part 9 operates and the warm air circulates, whereby the laundry in the drum 3 can be dried.
  • a small diameter water supply pipe 50 is connected to the second water supply outlet of the water supply valve 18, and the water supply valve 18 is switched to the second water supply outlet. Water supplied from the water supply port 17 is supplied.
  • the water supply pipe 50 extends forward in the upper space of the water tank 2.
  • the water supply valve 18 can supply water to both the water supply pipes 50 and 19 simultaneously.
  • the other end of the water supply pipe 50 is connected to a water tank 6 that temporarily stores water supplied from the water supply pipe 50, and the water tank 6 is connected to a metering pump 7 capable of supplying a certain amount of water by a water supply pipe 57. Yes.
  • the metering pump 7 is connected to the steam generator 8 by a water supply pipe 58.
  • Steam supply section (steam supply) from water supply pipes 50, 57, 58, water tank 6, metering pump 7, steam generator 8, steam pipe (opening edge supply pipe) 51, 51 and steam pipe (circumferential supply pipe) 54 Means) 5 is configured.
  • the steam generator 8 heats and evaporates the feed water from the feed water pipe 58 to generate water vapor, and sends it to the steam pipes 51, 51 and 54.
  • the steam pipes 51, 51 extend further forward from the steam generator 8, one steam injection port 52 provided side by side with the return pipe 28 at the opening edge of the water tank 2, and the washing / drying machine at the opening edge. It is connected to the other steam injection port 52 provided on the opposite side in the lateral direction.
  • the steam delivered to the steam pipes 51, 51 is configured to be sprayed from the steam injection ports 52, 52 toward the center of the laundry put into the drum 3.
  • the steam pipe 54 extends rearward from the steam generator 8 and is connected to a steam injection port 55 provided at a substantially central portion in the axial direction of the peripheral surface of the water tank 2.
  • the steam delivered to the steam pipe 54 is sprayed from the steam injection port 55 toward the rear part slightly from the center part of the peripheral surface of the drum 3, and is configured to be applied to the outer peripheral part of the laundry inside from the hole 34. ing.
  • the steam pipes 51 and 54 have a shorter length, that is, a shorter steam flow path to prevent a temperature drop due to the thermal expansion of the steam.
  • the water tank 6 is a hollow container capable of storing a predetermined amount of water, and has an inlet pipe 60 that communicates with the upper surface, an outlet pipe 61 that communicates with the side surface near the bottom surface, and an overflow that communicates with the side surface located away from the bottom surface.
  • a water supply pipe 50 extending from the water supply valve 18 is connected to an inlet pipe 60, and is configured such that water flowing from the inlet pipe 60 is stored inside the water tank 6.
  • the outlet pipe 61 is connected to the metering pump 7 via the water supply pipe 57, and the water conduit 63 is connected to the overflow pipe 62.
  • the overflow pipe 62 sends out the water exceeding the opening position to the water guide pipe 63 and keeps the internal water level of the water tank 6 constant.
  • the water sent out to the water conduit 63 is supplied to the heat exchanging section 93 and reused as cooling water for cooling and dehumidifying the humid air flowing in the heat exchanging section 93.
  • the water sent out to the water conduit 63 is supplied to the inside of the water tank 2 and reused as part of the washing water.
  • the metering pump 7 includes an elastic tube 70 and a pressing body 71, and is configured as a so-called tube pump.
  • the pressing body 71 is a disc provided with pressing pieces protruding radially outward at a plurality of locations in the circumferential direction, is fixed to the output end of the motor 72, and rotates by driving the motor 72.
  • the elastic tube 70 is arranged with its both ends connected to the joint 73 and bent in a circle so as to surround the outside of the pressing body 71.
  • a water supply pipe 57 extending from the outlet pipe 61 of the water tank 6 is connected to one end of the elastic tube 70 via a joint 73, and the stored water inside the water tank 6 is introduced into the elastic tube 70 through the water supply pipe 57. Is done.
  • the other end of the elastic tube 70 is connected to the steam generator 8 via a water supply pipe 58 connected to the same side of the joint 73.
  • the pressing piece provided on the pressing body 71 crushes the corresponding portion of the elastic tube 70 at each tip, and moves according to the rotation of the pressing body 71.
  • the water in the elastic tube 70 is pushed out toward the other end and sent to the steam generator 8 through the downstream water supply pipe 50.
  • a plurality of (three in the figure) pressing pieces of the pressing body 71 are provided, and each of them moves in a state where the elastic tube 70 is crushed. Therefore, the steam generator 8 responds to the rotation of the pressing body 71.
  • a fixed amount of water is sent out continuously.
  • the metering pump 7 is not limited to the illustrated tube pump.
  • the lower surface, upper surface, and part of the side surface of the housing 80 of the steam generator 8 are covered with a hot plate 82 in which a heater wire 81 is embedded.
  • a flow down port 83 is opened so as to face the center of the bottom heat plate 82 from above, and a water supply pipe 58 extending from the metering pump 7 is connected to the flow down port 83.
  • one side of the bottom surface of the housing 80 is raised from the laying position of the heat plate 82, and two delivery ports 84, 84 are opened at both ends of the washing dryer in the lateral direction of the raised plate.
  • the outlets 84 and 84 are connected to the steam injection ports 52 and 52 via the first air supply valves 53 and 53 and the steam pipes 51 and 51.
  • An outlet 87 is opened on the side of the housing 80 opposite to the side where the raised portion is provided. The outlet 87 is connected to the steam via the second air supply valve 56 and the steam pipe 54. It is connected to the injection port 55.
  • the steam generator 8 configured as described above is supplied with water from the metering pump 7 through the water supply pipe 58, and generates heat by causing the heating plate 82 to generate heat by energizing the heater wire 81.
  • the water supply flows down from the flow outlet 83 connected to the water supply pipe 58 to the approximate center of the hot plate 82 facing downward, is heated by the contact with the hot plate 82 and evaporates, and water vapor is generated inside the housing 80. appear.
  • the generated water vapor is sent out into the steam pipes 51 and 51 through the outlets 84 and 84 when the first air supply valves 53 and 53 are opened by the control of the control unit 16, and at the tip of the steam pipes 51 and 51.
  • the steam generator 8 Since the water is stably supplied to the steam generator 8 by the above-described operation of the metering pump 7, and this water supply is sequentially evaporated by contact with the hot plate 82, the steam generator 8 stably stabilizes a certain amount of water vapor.
  • This water vapor is supplied to the inside of the drum 3.
  • the supply of water vapor into the drum 3 is performed in parallel with the supply of the washing water during the washing operation.
  • the supplied water vapor hits the laundry before it is soaked in the washing water, heats and wets the laundry, softens the soil component, and promotes the action of removing the soil component. Therefore, the washing effect can be enhanced in the washing operation after water supply.
  • a temperature detector 85 that detects the temperature of the hot plate 82 is provided on the hot plate 82 of the steam generator 8, and an abnormal temperature detector 86 is provided on the upper surface of the housing 80.
  • the temperature detected by the temperature detector 85 is used for on / off control of energization of the heater 81.
  • the abnormal temperature detector 86 detects that the on / off control of the heater 81 is not normally executed due to an abnormality of the temperature detector 85, for example, and the hot plate 82 is overheated, and forcibly cuts off the power supply to the heater 81. It is provided for.
  • the structure of the steam generation part 5 is not limited to the above-mentioned structure.
  • a container for storing water may be provided with a heater so that water is supplied to the container, the water is boiled, and water vapor is sent from the container to the steam pipes 51 and 54.
  • FIG. 5 is a control block diagram of the washer / dryer 100.
  • the control unit 16 includes a CPU (Central Processing Unit) 161, a control program for controlling the entire washer / dryer 100, a ROM 162 storing a washing air supply time table 163, and a drying air supply time table 164, and a work area It is comprised with the microcomputer (microcomputer) provided with RAM165.
  • the CPU 161 reads the control program stored in the ROM 162 onto the RAM 165, and executes the control program while temporarily storing the data being processed in the RAM 165.
  • a time for supplying water vapor from the steam pipes 51 and 54 to the drum 3 is set for each washing and drying course, after the cloth quality determination of the washing process, for each cloth amount and cloth quality. ing.
  • a time for supplying water vapor from the steam pipes 51 and 54 to the drum 3 at the time of dry finishing is set for each amount and quality of the laundry.
  • the air supply time data is based on experimental data performed for each washing / drying course, the amount of cloth, and the cloth quality.
  • Table 1 is a table showing an example of the washing air supply time table 163 when the washing / drying course is the standard course.
  • “small cloth amount” indicates that the measured cloth amount is less than 2 kg
  • “large cloth amount” indicates that the cloth amount is 2 kg or more.
  • the unit of time is seconds, and indicates the air supply time after the cloth quality is judged.
  • the ratio (mass ratio) of hydrophilic fibers such as cotton and hydrophobic fibers such as chemical fibers in the laundry is 60/40 or more
  • the cloth quality is hydrophilic (more cotton)
  • the ratio Is 40/60 or more and less than 60/40 the fabric quality is standard (mixed spinning)
  • the ratio is less than 40/60
  • the fabric quality is hydrophobic (more synthetic fibers).
  • the ratio for this cloth quality determination can be set arbitrarily. Regardless of whether each garment constituting the laundry is made of the same fiber (for example, 100% cotton) or a mixture of a plurality of fibers (for example, a mixture of 60% cotton and 40% synthetic fiber), Judge as the whole laundry. Even when the clothes are made of synthetic fibers, when the thickness is thick, the amount of water absorption increases, so it can be determined that the clothes are hydrophilic. The determination of the cloth quality is performed by “detection of water reduction” and / or “detection of torque fluctuation of the drum motor 4” as will be described later.
  • the air supply time is changed according to the cloth quality, but is not limited to this.
  • the time for supplying air from the steam pipe 51 depends on whether the cloth amount is “small” or “large”.
  • the supply time may be changed between the steam pipe 51 and the steam pipe 54 in the case of “large amount of cloth”.
  • air may be supplied from the steam pipe 54 in a state where the supply quantity is less than the supply quantity from the steam pipe 51.
  • Table 2 is a table showing an example of the drying air supply time table 164 when the washing / drying course is the standard course.
  • “small cloth amount” indicates that the cloth amount is less than 2 kg
  • “large cloth amount” indicates that the cloth amount is 2 kg or more.
  • the unit of time is seconds.
  • the air supply time is changed according to the cloth quality, but is not limited to this, and the time for supplying air from the steam pipe 51 may be changed according to the amount of cloth.
  • the supply time may be changed between the steam pipe 51 and the steam pipe 54.
  • air may be supplied from the steam pipe 54 in a state where the supply quantity is less than the supply quantity from the steam pipe 51.
  • the control unit 16 is supplied with detection signals from the water level sensor 38, the first temperature sensor 93c, the second temperature sensor 93d, and the operation key signal of the operation panel 15. From the control unit 16, in addition to the display signal for the display unit of the operation panel 15, the drum motor 4, the fan motor 91 c, the PTC heater 92, the water supply valve 18, the first air supply valve 53, and the second air supply valve 56 are output. A drive signal is output.
  • the CPU 161 measures the amount of cloth (capacity, mass) of the laundry, and the inside of the drum 3 is based on the amount of cloth. Select the steam pipe that supplies steam to the valve and open the corresponding supply valve. Then, water supply is performed simultaneously with the supply of water vapor, and the laundry corresponding to the laundry drying course selected by the user is determined based on the fabric quality determined from the water absorption amount of the laundry detected at this time (water reduction amount based on a decrease in the water level). With reference to the air supply time table 163, the air supply time is set and water vapor is supplied.
  • the air supply valve selected based on the cloth amount is opened, and the dry air supply time table 164 is referred to based on the cloth quality so that the water supply time is set and water vapor is supplied. It is configured. Note that the supply of water vapor in the washing process is not limited to the case where it is performed simultaneously with the water supply.
  • FIGS 6 and 7 are flowcharts showing the procedure of the washing and drying process by the CPU 161.
  • the CPU 161 determines whether or not the power key is turned on (S1). When the CPU 161 determines that the power key is not turned on (S1: NO), the process is repeated.
  • the CPU 161 determines that the power key is turned on (S1: YES)
  • it determines whether or not the selection of a washing / drying course (for example, a plurality of courses such as standard, my home style, careful, dry, blanket, etc.) has been accepted (S2). ).
  • S2 determines that the selection is not accepted
  • the CPU 161 determines whether or not the start key is turned on (S3). When the CPU 161 determines that the start key is not turned on (S3: NO), the process is repeated. When the CPU 161 determines that the start key is turned on (S3: YES), the CPU 161 detects the amount (mass) of the laundry (S4). The CPU 161 is based on the ratio of the time required to increase the rotational speed of the drum motor 4 from the predetermined rotational speed to a predetermined amount and the time required to decrease the predetermined rotational speed after applying the brake. Detect the amount of cloth. The method for detecting the amount of cloth is not limited to this method.
  • the CPU 161 determines whether or not the cloth amount detected in step S4 is 2 kg or more (S5). If the cloth amount is 2 kg or more (S5: YES), the first air supply valve 53, 53 and the 2nd air supply valve 56 are opened, water vapor
  • the CPU 161 determines the cloth quality (S8).
  • the CPU 161 supplies a predetermined amount of water to the water tank 2, detects the water level after the completion of water supply by the water level sensor 38, for example, performs stirring for a predetermined time such as 1 minute, and then detects the water level again by the water level sensor 38. The amount of water reduction from the water level when the water supply is completed is detected. Then, the water tank 2 is again supplied and stirred for 1 minute to detect the reduced water amount twice.
  • the CPU 161 stores the total value of the three water reduction amounts or the third water reduction amount in the ROM 162. When the cloth quality is hydrophilic, the amount of water reduction increases. In addition, the method of calculating
  • the CPU 161 may detect the magnitude (variation width and average value) of torque fluctuation of the drum motor 4 based on the magnitude of the q-axis current after the water level in the drum 3 reaches a predetermined water level and is stabilized. Good. When the ratio of cotton in the laundry is large and the water absorption is large, the torque fluctuation of the drum motor 4 becomes large.
  • the CPU 161 sets a (washing) air supply time and starts air supply, and determines whether or not the set air supply time has passed (S9).
  • the air supply time is set according to the amount of cloth detected in step S4 and the cloth quality determined in step S8 in the above-described washing air supply time setting table 163 selected corresponding to the washing / drying course. If the CPU 161 determines that the air supply time has not elapsed (S9: NO), the process is repeated.
  • the CPU 161 determines that the air supply time has elapsed (S9: YES)
  • the CPU 161 starts the washing process (S10).
  • the CPU 161 rotates the drum 3 alternately in both forward and reverse directions by the drum motor 4 to perform normal washing such as washing with detergent, dewatering to rotate the drum at a predetermined rotation speed and rotation time, and rinsing. Execute the process.
  • the CPU 161 determines whether or not the washing process is finished, that is, whether or not the dehydration process after rinsing is finished (S11). When the CPU 161 determines that the washing process has not ended (S11: NO), the process is repeated. When the CPU 161 determines that the washing process is completed (S11: YES), the drum 3 is rotated and dried after setting the shortest (lower limit) operation time and the longest (upper limit) operation time based on the selected washing operation course. The unit 9 is operated to start drying the laundry (S12). Then, the CPU 161 determines whether it is time to start finishing (S13).
  • the CPU 161 determines that the difference in temperature detected by the first temperature sensor 93c and the second temperature sensor 93d is greater than or equal to a predetermined value or that the longest operating time has elapsed. In this case, it is determined that it is the finishing start time. When the CPU 161 determines that it is not the start time (S13: NO), the process is repeated.
  • the warm air comes into contact with the laundry, absorbs moisture, cools the drum 3, and flows through the opening 93b.
  • the temperature is detected by the first temperature sensor 93c. .
  • the difference in temperature detected by the first temperature sensor 93c and the second temperature sensor 93d increases, so that it is determined by determining whether or not the temperature difference is equal to or greater than a predetermined value. It can be determined that it is time to start finishing.
  • the CPU 161 determines whether the cloth amount detected in step S4 is 2 kg or more (S14), and determines that the cloth amount is 2 kg or more. In the case (S14: YES), the first air supply valve 53 and the second air supply valve 56 are opened, and water vapor is injected from the steam injection ports 52, 52 and 55 to the center and the outer periphery of the laundry to finish drying. Start (S15). When the CPU 161 determines that the amount of cloth is not 2 kg or more, that is, less than 2 kg (S14: NO), the CPU 161 opens only the first air supply valve 53 and injects water vapor from the steam injection port 52 to the outer periphery of the laundry. Then, finishing of drying is started (S16).
  • the CPU 161 determines whether the air supply time has elapsed (S17).
  • the air supply time is set corresponding to the cloth amount detected in step S4 and the cloth quality determined in step S8 in the above-described dry air supply time setting table 164 selected corresponding to the washing / drying course. If the CPU 161 determines that the air supply time has not elapsed (S17: NO), the process is repeated.
  • water vapor can be supplied to the center of the laundry in the drum 3 by the steam pipe 51 and to the outer periphery of the laundry by the steam pipe 54, so that the laundry can be wetted quickly. It is possible to efficiently raise the temperature of the entire laundry and the detergent solution, and a good cleaning effect is obtained by the swelling action and the warming action.
  • steam to the steam pipes 51 and 51 and the steam pipe 54 may be controlled according to the quantity of the laundry, as mentioned above,
  • the water vapor is also supplied to the steam pipe 54, so that the water can be brought into contact with the entire laundry substantially uniformly.
  • the steam supply time to the steam pipes 51 and 51 and the steam pipe 54 is controlled according to the cloth quality of the laundry. Is hydrophilic and can easily become dirty, the air supply time can be lengthened to increase the washing power.
  • the washing operation time can be shortened, and the laundry detergent solution warmed entirely by water vapor has a viscosity. Since it is low, it has good bubble breakage during dehydration, has a water-saving effect, and can save energy.
  • the configuration of the steam generation unit 5 and the control of the amount of steam supplied to the steam pipes 51 and 51 and the steam pipe 54 during washing are not limited to those described in the present embodiment.
  • the number of steam pipes 51 is not limited to two, and may be one or three or more.
  • the present invention is not limited to the case where each of the first air supply valve 53 and the second air supply valve 56 is provided, and one switching valve may be provided to switch to the steam pipe 51 and / or the steam pipe 54.
  • the supply amount of water vapor is controlled by the supply time, but the flow rate of water vapor per unit time supplied from the first supply valve 53 and the second supply valve 56 is controlled. You may decide.
  • the control of the supply amount based on the cloth amount and the cloth quality is not limited to the case described in the present embodiment.
  • the supply of water vapor may not be controlled based on the amount of cloth and the cloth quality, and the water vapor may be uniformly supplied from both the steam pipe 51 and the steam pipe 54, and based on either the cloth amount or the cloth quality.
  • the supply amount of water vapor may be controlled.
  • the present invention is not limited to the case where the amount of cloth is set in two stages and the cloth quality is set in three stages.
  • the portion of the peripheral surface of the drum 3 where the water vapor is irradiated has a larger number of holes 34 and the opening ratio is increased, so that the water vapor can be effectively washed with reduced loss. You can hit things. And since the number of the holes 35 in the portions other than the above portions is reduced, a decrease in the rigidity (strength) of the drum 3 is suppressed. It should be noted that the present invention is not limited to the case where the number of the holes 34 and 35 is changed, and the diameter of the hole 34 may be made larger than the diameter of the hole 35 to increase the aperture ratio.
  • the humidity of the whole drum 3 can be raised and it can finish favorably by supplying water vapor
  • the wrinkles are easier and harder, but by supplying water vapor from the steam pipe 54 to the drum 3, the surface of the fiber is raised and the wrinkles are stretched. You can finish softly.
  • Control of water vapor supply during drying is not limited to the case described in this embodiment.
  • the supply of water vapor may be uniformly supplied from the steam pipe 54 without controlling the supply of water vapor based on the amount of cloth and the cloth quality, and the supply amount of water vapor is controlled based on either the cloth amount or the cloth quality. You may decide to do it.

Landscapes

  • 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

La présente invention porte sur une machine à laver et sèche-linge qui est apte à humidifier rapidement du linge, à augmenter efficacement la température de la totalité du linge et d'un liquide de lavage, à obtenir un effet de lavage excellent, à raccourcir le temps de lavage et de séchage, et à économiser de l'eau. À cet effet, la machine à laver et sèche-linge (100) comporte : une unité d'alimentation en vapeur (5) qui a un générateur de vapeur (8) chauffant et évaporant de l'eau pour générer de la vapeur et fournissant la vapeur générée à l'intérieur d'un tambour (3) tournant dans une cuve d'eau (2) ; et une unité de commande (16) qui commande une opération de lavage et de séchage. L'unité d'alimentation en vapeur (5) comporte : un tuyau de vapeur (51) qui est disposé sur une partie de bord d'ouverture de la cuve d'eau (2) de façon à alimenter la vapeur à partir du générateur de vapeur (8) vers l'intérieur du tambour (3) ; et un tuyau de vapeur (54) qui est disposé sur une surface périphérique de la cuve d'eau (2) de façon à fournir de la vapeur à partir du générateur de vapeur (8) vers l'extérieur d'une surface périphérique du tambour (3).
PCT/JP2011/076504 2010-12-20 2011-11-17 Machine à laver et sèche-linge WO2012086345A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180060243.9A CN103282572B (zh) 2010-12-20 2011-11-17 洗衣烘干机

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JP2010283350A JP4948642B1 (ja) 2010-12-20 2010-12-20 洗濯乾燥機
JP2010-283350 2010-12-20

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WO2012086345A1 true WO2012086345A1 (fr) 2012-06-28

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JP (1) JP4948642B1 (fr)
CN (1) CN103282572B (fr)
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015078515A1 (fr) * 2013-11-29 2015-06-04 Arcelik Anonim Sirketi Sèche-linge à vapeur et son procédé de fonctionnement
JP2016036424A (ja) * 2014-08-06 2016-03-22 日立アプライアンス株式会社 洗濯乾燥機
CN114622379A (zh) * 2020-12-11 2022-06-14 Lg电子株式会社 衣物处理装置的控制方法
EP4092179A1 (fr) * 2021-05-17 2022-11-23 Whirlpool Corporation Système de génération de vapeur tridimensionnel pour effectuer un cycle de vapeur à l'intérieur d'un appareil de lavage du linge
JP2023014526A (ja) * 2021-07-19 2023-01-31 日立グローバルライフソリューションズ株式会社 洗濯乾燥機

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6486037B2 (ja) * 2014-09-03 2019-03-20 東芝ライフスタイル株式会社 洗濯乾燥機
JP6744070B2 (ja) * 2014-11-17 2020-08-19 東芝ライフスタイル株式会社 衣類乾燥機
CN110409134A (zh) * 2018-04-28 2019-11-05 青岛海尔滚筒洗衣机有限公司 用于衣物处理设备的超声波蒸汽发生装置
CN110761052A (zh) * 2018-07-27 2020-02-07 青岛海尔滚筒洗衣机有限公司 一种衣物处理设备
JP7360899B2 (ja) 2019-10-30 2023-10-13 東芝ライフスタイル株式会社 ドラム式洗濯機

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005177440A (ja) * 2003-12-23 2005-07-07 Samsung Electronics Co Ltd 洗濯機及びその制御方法
JP2005177450A (ja) * 2003-12-23 2005-07-07 Samsung Electronics Co Ltd ドラム洗濯機

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1851374B1 (fr) * 2005-02-25 2014-11-05 LG Electronics Inc. Procede pour nettoyer un tube ou un tambour dans une machine a laver
KR100848908B1 (ko) * 2005-05-31 2008-07-29 엘지전자 주식회사 세탁 장치
CN2876136Y (zh) * 2006-01-18 2007-03-07 上海航星机械(集团)有限公司 洗涤滚笼
KR100793800B1 (ko) * 2006-06-30 2008-01-11 엘지전자 주식회사 세탁장치 및 그 스팀발생기 제어방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005177440A (ja) * 2003-12-23 2005-07-07 Samsung Electronics Co Ltd 洗濯機及びその制御方法
JP2005177450A (ja) * 2003-12-23 2005-07-07 Samsung Electronics Co Ltd ドラム洗濯機

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015078515A1 (fr) * 2013-11-29 2015-06-04 Arcelik Anonim Sirketi Sèche-linge à vapeur et son procédé de fonctionnement
JP2016036424A (ja) * 2014-08-06 2016-03-22 日立アプライアンス株式会社 洗濯乾燥機
CN114622379A (zh) * 2020-12-11 2022-06-14 Lg电子株式会社 衣物处理装置的控制方法
CN114622379B (zh) * 2020-12-11 2024-02-20 Lg电子株式会社 衣物处理装置的控制方法
EP4092179A1 (fr) * 2021-05-17 2022-11-23 Whirlpool Corporation Système de génération de vapeur tridimensionnel pour effectuer un cycle de vapeur à l'intérieur d'un appareil de lavage du linge
JP2023014526A (ja) * 2021-07-19 2023-01-31 日立グローバルライフソリューションズ株式会社 洗濯乾燥機
JP7410910B2 (ja) 2021-07-19 2024-01-10 日立グローバルライフソリューションズ株式会社 洗濯乾燥機

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JP2012130425A (ja) 2012-07-12
CN103282572A (zh) 2013-09-04
CN103282572B (zh) 2015-12-09

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