WO2014034015A1 - Dispositif de traitement de linge - Google Patents

Dispositif de traitement de linge Download PDF

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Publication number
WO2014034015A1
WO2014034015A1 PCT/JP2013/004498 JP2013004498W WO2014034015A1 WO 2014034015 A1 WO2014034015 A1 WO 2014034015A1 JP 2013004498 W JP2013004498 W JP 2013004498W WO 2014034015 A1 WO2014034015 A1 WO 2014034015A1
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WO
WIPO (PCT)
Prior art keywords
steam
water
steam generator
storage tank
wall
Prior art date
Application number
PCT/JP2013/004498
Other languages
English (en)
Japanese (ja)
Inventor
仁一 園田
伸一郎 小林
毅 福田
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Priority to EP13832701.0A priority Critical patent/EP2889414B1/fr
Priority to CN201380044694.2A priority patent/CN104583480B/zh
Publication of WO2014034015A1 publication Critical patent/WO2014034015A1/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
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/04—Heating 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
    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/007—Methods for washing, rinsing or spin-drying for spin-drying only
    • 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 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/088—Liquid supply arrangements

Definitions

  • the present invention relates to a clothing processing apparatus for washing, dehydrating and / or drying clothing.
  • Patent Document 1 a washing machine that efficiently supplies steam to clothes and sterilizes has been developed.
  • the washing machine described in Patent Document 1 has a configuration in which steam is generated using a heater soaked in water, and the steam is efficiently supplied to a drum in which clothing is stored.
  • a clothing processing apparatus of the present invention includes a storage tank that stores clothing and a steam supply mechanism that supplies steam to the storage tank.
  • the steam supply mechanism has a water supply valve and a steam generator, and the steam generator has a heater that heats a wall surface that defines a chamber for generating steam, a water supply mechanism that emits water to the wall surface, An inflow port for emitting water to the chamber and an exhaust port for discharging steam from the chamber are provided. And it has the structure which provided uneven
  • the water supplied into the chamber is, for example, hard water
  • the impurities can be reduced in size and subdivided, and the impurities can be discharged from the exhaust port so that the exhaust port is not easily clogged with the impurity.
  • FIG. 1 is a schematic longitudinal sectional view of a washing machine exemplified as a clothing processing apparatus according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic perspective view of the washing machine according to the embodiment.
  • FIG. 3 is a schematic perspective view of the steam supply mechanism housed in the casing of the washing machine in the same embodiment.
  • FIG. 4A is a schematic perspective view showing a steam generation unit of the steam supply mechanism in the same embodiment.
  • FIG. 4B is a schematic perspective view showing a steam generation unit of the steam supply mechanism in the same embodiment.
  • FIG. 5A is a schematic perspective view of an attachment structure for connecting the lid of the steam generating unit and the housing in the same embodiment.
  • FIG. 5B is a schematic perspective view of an attachment structure for connecting the lid of the steam generation unit and the housing in the same embodiment.
  • FIG. 6A is a schematic perspective view of the steam generator of the steam generating unit according to the embodiment.
  • FIG. 6B is a schematic perspective view of the steam generator of the steam generation unit according to the embodiment.
  • FIG. 7 is a schematic perspective view of the main piece of the steam generator in the same embodiment.
  • FIG. 8 is a schematic exploded perspective view of the steam generator in the same embodiment.
  • FIG. 9 is a schematic perspective view of a lid piece of the steam generator in the same embodiment.
  • FIG. 10 is a schematic plan view of a main piece of the steam generator in the same embodiment.
  • FIG. 11 is a schematic view of a water supply mechanism of the steam supply mechanism in the same embodiment.
  • FIG. 12 is a schematic rear view of the front portion of the storage tub of the washing machine in the same embodiment.
  • FIG. 13 is an explanatory diagram schematically illustrating the relationship between the intermittent operation of the pump of the water supply mechanism and the temperature in the chamber space in the embodiment.
  • FIG. 14 is an explanatory diagram schematically illustrating a change in the temperature of water supplied to the water tub of the washing machine according to the embodiment.
  • FIG. 15A is a schematic timing chart showing the timing of steam supply during the dehydration step in the same embodiment.
  • FIG. 15B is a schematic timing chart showing the timing of steam supply during the dehydration step in the same embodiment.
  • FIG. 15C is a schematic timing chart showing the timing of steam supply during the dehydration step in the same embodiment.
  • FIG. 15A is a schematic timing chart showing the timing of steam supply during the dehydration step in the same embodiment.
  • FIG. 15B is a schematic timing chart showing the timing of steam supply during the dehydration step in the same embodiment.
  • FIG. 15C
  • FIG. 16 is a block diagram schematically showing control on the door body based on the temperature of the steam generator in the embodiment.
  • FIG. 17 is a schematic exploded perspective view of a steam generator used in a washing machine exemplified as a clothing processing apparatus according to Embodiment 2 of the present invention.
  • FIG. 18 is a schematic perspective view of the steam generator in the same embodiment.
  • a clothing processing apparatus according to an embodiment of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.
  • a washing machine will be described as an example of the clothing processing apparatus.
  • terms used in the following description to indicate directions such as “up”, “down”, “left”, and “right” are merely for the purpose of clarifying the explanation and limit the principle of the clothing processing apparatus. It is not a thing.
  • the principle of the clothing processing apparatus can also be applied to an apparatus having the ability to wash and dry clothes and an apparatus for drying clothes.
  • FIG. 1 is a schematic longitudinal sectional view of a washing machine exemplified as a clothing processing apparatus according to an embodiment of the present invention.
  • the washing machine 100 includes at least a housing 110 and a storage tank 200 that stores clothing in the housing 110.
  • the storage tank 200 includes a rotary drum 210 having a substantially cylindrical (including a cylindrical shape) peripheral wall 211 that surrounds the rotation axis RX, and a water tank 220 that stores the rotary drum 210.
  • the housing 110 extends substantially horizontally (including horizontal) with a front wall 111 in which an insertion port for putting clothes into the storage tub 200 is formed, and a rear wall 112 opposite to the front wall 111.
  • a housing top wall 113, a housing bottom wall 114 opposite to the housing top wall 113, a left wall and a right wall described later, and the like are provided.
  • the rotating drum 210 and the water tank 220 of the storage tank 200 open toward the front wall 111.
  • the washing machine 100 further includes a door body 120 attached to the front wall 111 of the housing 110.
  • the door body 120 rotates between a closed position that closes the charging port formed in the front wall 111 and an open position that opens the charging port. Accordingly, the user can turn the door 120 to the open position and put the clothes into the storage tank 200 through the insertion port of the front wall 111. Thereafter, the user can move the door 120 to the closed position and wash the clothes put into the washing machine 100.
  • FIG. 1 shows the door 120 in the closed position.
  • the rotating drum 210 includes a peripheral wall 211 and a bottom wall 212, and rotates around a rotation axis RX extending between the front wall 111 and the rear wall 112 of the housing 110. At this time, the clothes put in the storage tank 200 move in the rotary drum 210 as the rotary drum 210 rotates. Thereby, the garment is subjected to various treatments such as washing, rinsing and / or dehydration.
  • the bottom wall 212 of the rotating drum 210 is provided to face the door 120 at the closed position.
  • the water tank 220 includes at least a bottom part 221 and a front part 222.
  • the bottom 221 surrounds a part of the bottom wall 212 and the peripheral wall 211 of the rotary drum 210.
  • the front part 222 is disposed between the bottom part 221 of the water tank 220 and the door body 120 and surrounds the remaining part of the peripheral wall 211 of the rotating drum 210 facing each other.
  • the storage tank 200 has a rotating shaft 230 that is attached to the bottom wall 212 of the rotating drum 210 and extends toward the rear wall 112 of the housing 110 along the rotation axis RX. Therefore, the rotating shaft 230 is provided so as to penetrate the bottom 221 of the water tank 220 and protrude between the water tank 220 and the rear wall 112.
  • the washing machine 100 includes a motor 231 installed below the water tank 220, a pulley 232 attached to the rotating shaft 230 exposed outside the water tank 220, and a belt 233 that transmits the power of the motor 231 to the pulley 232.
  • the motor 231 When the motor 231 is activated, the power of the motor 231 is transmitted to the belt 233, the pulley 232, and the rotating shaft 230. As a result, the rotating drum 210 rotates in the water tank 220.
  • the washing machine 100 further includes a packing structure 130 disposed between the front portion 222 of the water tank 220 and the door body 120.
  • the packing structure 130 is compressed by the door body 120.
  • the compressed packing structure 130 forms a watertight seal structure between the door body 120 and the front portion 222.
  • the washing machine 100 also includes a water supply port 140 connected to a faucet (not shown), and a distribution unit 141 for distributing water introduced through the water supply port 140.
  • the water supply port 140 is provided so as to protrude on the housing top wall 113, and the distribution unit 141 is provided between the housing top wall 113 and the storage tank 200.
  • the washing machine 100 includes a detergent container (not shown) in which detergent is accommodated and a steam supply mechanism 300 (described later) that injects steam into the container 200.
  • the distribution unit 141 includes a plurality of water supply valves for selectively supplying water to the storage tank 200, the detergent storage unit, and the steam supply mechanism 300 via a water supply path (not shown).
  • the technique used for the known washing machine can be applied suitably with respect to the water supply to the storage tank 200 and the detergent storage part.
  • FIG. 2 is a schematic perspective view of the washing machine according to the embodiment.
  • FIG. 3 is a schematic perspective view of the steam supply mechanism housed in the casing of the washing machine in the same embodiment. 2 and 3, the housing 110 is represented by a dotted line, and the storage tank 200 is not shown in FIG. 3. Moreover, the arrow in FIG. 3 represents the water supply path
  • the steam supply mechanism 300 includes at least a water supply valve 310 used as a part of the distribution unit 141 and a water storage tank 320 disposed below the storage tank 200.
  • the water supply valve 310 controls water supply to the water storage tank 320. That is, when the water supply valve 310 is opened, water is supplied from the water supply port 140 to the water storage tank 320. When the water supply valve 310 is closed, the water supply to the water storage tank 320 is stopped.
  • the steam supply mechanism 300 further includes a pump 330 attached to the water storage tank 320 and a steam generator 400 that receives water discharged from the pump 330.
  • the pump 330 performs a water supply operation intermittently or continuously to the steam generation unit 400. At this time, during the intermittent water supply operation, the pump 330 supplies an appropriate amount of water adjusted so that instantaneous steam generation occurs to the steam generation unit 400 described later.
  • impurities (scale) and the like contained in the water used for generating steam can be washed away from the steam generation unit 400.
  • the steam supply mechanism 300 further includes a steam conduction pipe 340 extending downward from the steam generation unit 400.
  • the front portion 222 of the water tank 220 forms a watertight seal structure in cooperation with the peripheral wall portion 223 that surrounds the peripheral wall 211 of the rotating drum 210 and the packing structure 130.
  • the steam conduction pipe 340 of the steam supply mechanism 300 is connected to the peripheral wall part 223 of the front part 222. Thereby, the steam generated in the steam generating unit 400 is supplied to the storage tank 200 through the steam conduction pipe 340.
  • it is preferable that at least a part of the steam conduction pipe 340 has a bellows shape, for example, so that vibration generated by the rotation of the storage tank 200 is not transmitted to the steam generation unit 400.
  • water can be forcibly supplied from the water storage tank 320 to the steam generator 420 in the steam generator 400 by the pump 330. Therefore, the steam generator 420 can be disposed above the water storage tank 320.
  • the water in the water storage tank 320 must be sent to the steam generator 420 by the action of gravity. Therefore, the steam generator 420 must be disposed below the water storage tank 320 without fail. That is, by arranging the pump 330, water can be forcibly supplied from the water storage tank 320 to the steam generator 420 with the pressure of the pump 330.
  • the steam generator 420 is disposed above the water storage tank 320, but water can be supplied from the water storage tank 320 to the steam generator 420 by the pump 330 without any problem.
  • the steam generator 420 in the case where the pump 330 is not provided, the steam generator 420 must be disposed below the water storage tank 320. Therefore, for example, when a control component such as an on-off valve that controls the supply of water from the water storage tank 320 to the steam generator 420 fails, the supply of water to the steam generator 420 cannot be controlled. Then, water is inadvertently supplied to the steam generator 420 by the action of gravity from a water storage tank 320 provided above the steam generator 420.
  • the pump 330 as in the present embodiment, it is possible to avoid inadvertently supplying water from the steam generator 420 provided above the water storage tank 320.
  • the steam generator 420 of the steam generation unit 400 is disposed above the storage tank 200.
  • the impurities contained in the water supplied to the steam generator 420 usually cause the outer chamber wall 431 and the inner chamber wall of the main piece 423 constituting the steam generator 420 shown in FIG. 432, the upper surface 429, and the wall surface of the chamber space 430 (which may be referred to as “chamber”) formed by the lower surface 434 of the lid piece 424.
  • Impurities are deposited or deposited on the wall surface forming the chamber space 430. In that case, the heat is not properly transferred between the wall surface of the chamber space 430 and the supplied water due to the impurities, so that the water supplied to the steam generator 420 is difficult to evaporate.
  • the adhered or deposited impurities are discharged or dropped below the steam generator 420 by the action of pressure or gravity when water is vaporized.
  • impurities are easily discharged from the chamber space 430 to the storage tank 200.
  • the water storage tank 320 is disposed in the lower left space of the casing 110 when viewed from the front wall 111 of the casing 110, and the steam generator 420 is disposed in the casing 110. Place in the upper right space. That is, the steam generator 420 and the water storage tank 320 are disposed at substantially symmetrical positions (including symmetry) with respect to the central axis (rotation axis RX) of the storage tank 200.
  • a detergent container (not shown) that stores detergent is disposed on one of the left side and the right side in front of the upper part of the housing 110. Therefore, in order to arrange the water storage tank 320 and the steam generator 420 in the space formed by the storage tank 200 and the casing 110 having a substantially cylindrical shape (including a cylindrical shape) excluding the position occupied by the detergent storage section. It can be used effectively.
  • the water storage tank 320 is disposed on the rear left side of the housing 110 as shown in FIG. 2.
  • the steam generator 420 when the steam generator 420 is disposed in front of the upper right side of the casing 110, the steam generator 420 is formed between the inner surface of the substantially rectangular box shape (including the rectangular box shape) casing 110 and the outer peripheral surface of the storage tank 200.
  • the space can be effectively utilized to arrange the water storage tank 320 and the steam generator 420.
  • the design dimensions of the water storage tank 320 and the steam generator 420 can be designed to be maximally accommodated in the space allowed by the washing machine 100.
  • the water storage tank 320 is disposed at a position substantially symmetrical to the detergent container with respect to the central axis (rotation axis RX) of the container tank 200, and the steam generator 420 is accommodated.
  • FIG. Also in this case, the space inside the housing 110 can be effectively utilized as described above.
  • the water tank 320 may be disposed below the detergent container, and the steam generator 420 may be disposed above the water tank 320.
  • the steam generator 420 may be disposed at a position substantially symmetrical to the water storage tank 320 with respect to a vertical plane including the rotation axis RX of the storage tank 200.
  • the water storage tank 320 and the steam generator 420 may be disposed at substantially symmetrical positions with respect to the rotation axis RX of the storage tank 200 or the horizontal plane HP including the rotation axis RX.
  • the water storage tank 320 and the steam generator 420 are disposed at positions that are substantially symmetrical with respect to a vertical plane that passes through the approximate center (including the center) of the casing 110 in the front-rear direction.
  • FIG. 4A and FIG. 4B are schematic perspective views showing a steam generation part of the steam supply mechanism in the same embodiment.
  • the steam generation unit 400 includes a case 410 having a substantially rectangular box shape (including a rectangular box shape), and a steam generator 420 accommodated in the case 410.
  • the case 410 includes a container part 411 having a bottom wall part 414 for accommodating the steam generator 420, and a cover part 412 including a cover part peripheral wall 416 provided with an upper wall 415 and a protruding piece 417 covering the container part 411.
  • the steam generator 420 is connected to the pump 330 via the connection pipe 421 and a tube (not shown), and is connected to the steam conduction pipe 340 via the exhaust pipe 422.
  • an opening 413 is formed in the bottom wall portion 414 of the container portion 411.
  • the connection pipe 421 and the exhaust pipe 422 are provided so as to protrude downward through the opening 413.
  • FIG. 5A and FIG. 5B are schematic perspective views of an attachment structure for connecting the lid of the steam generating unit and the housing in the same embodiment.
  • the housing 110 is composed of at least a right wall 115 erected between the front wall 111 and the rear wall 112, and a left wall 116 opposite to the right wall 115. Is done.
  • the housing 110 further includes a first reinforcement frame 117 disposed along the upper edge of the right wall 115 and a second reinforcement frame 118 disposed along the upper edge of the front wall 111.
  • the lid portion 412 constituting the steam generating portion 400 has a substantially rectangular shape (including a rectangular shape) upper wall 415 and a lower side (case 410 side) from the edge of the upper wall 415.
  • casing 110 of the washing machine 100 and the upper wall 415 of the cover part 412 of the steam generation part 400 are connected by the 1st attachment piece 151 shown to the right figure of FIG. 5B.
  • the 2nd reinforcement frame 118 and the protrusion piece 417 are connected by the 2nd attachment piece 152 shown to the left figure of FIG. 5A.
  • the lid portion 412 of the steam generation unit 400 and the housing top wall 113 of the housing 110 are separated from each other via the first attachment piece 151 and the second attachment piece 152 provided so as to protrude upward from the lid portion 412. Attached. As a result, it is possible to mitigate (suppress) the heat generated in the steam generation unit 400 from being transmitted to the housing 110.
  • FIG. 6A and FIG. 6B are schematic perspective views of the steam generator of the steam generating unit in the same embodiment.
  • the steam generator 420 includes a main piece 423 having a substantially rectangular shape (including a rectangular shape), a lid piece 424 disposed on the main piece 423, and a main piece 423.
  • a linear heater 425 such as a sheathed heater is disposed in the main piece 423 from the peripheral surface 428.
  • main piece 423 and lid piece 424 are made of, for example, aluminum. Thereby, the main piece 423 and the lid piece 424 are appropriately and efficiently heated by the heater 425.
  • a thermistor 426 is further attached to the main piece lower surface 427 of the main piece 423 of the steam generator 420.
  • the connection pipe 421 and the exhaust pipe 422 are also attached to the main piece 423 constituting the steam generator 420.
  • the heater 425 is controlled by temperature information obtained by the thermistor 426. Thereby, the temperature of the main piece 423 and the lid piece 424 is kept substantially constant (including constant). Instead of the thermistor 426, a thermostat that controls on / off of power to the heater 425 at a predetermined temperature may be used, and the same effect can be obtained.
  • FIG. 7 is a schematic perspective view of the main piece of the steam generator in the same embodiment.
  • the main piece 423 has a main piece lower surface 427, a peripheral surface 428, and an upper surface 429.
  • a thermistor 426, a connection pipe 421 and an exhaust pipe 422 are attached to the main piece lower surface 427.
  • a main piece lower surface 427 and a heater 425 are disposed on the peripheral surface 428.
  • the main piece 423 is erected from the upper surface 429 toward the lid piece 424 constituting one of the steam generators 420 to form, for example, a substantially triangular (including triangular) chamber space 430.
  • the chamber space 430 is defined and formed by an outer chamber wall 431 and an inner chamber wall 432 having, for example, a substantially J shape (including a J shape) that defines a steam flow path of steam in the chamber space 430.
  • the wall surface surrounding the chamber space 430 of the main piece 423 is provided with an uneven shape.
  • the bottom surface 442 of the chamber space 430 of the main piece 423 is provided with an uneven shape made of, for example, a quadrangular pyramid 440 continuously from the inlet 437 of the steam generator 420 toward the exhaust outlet 438.
  • the outer peripheral side wall 443 of the chamber space 430 of the main piece 423 is provided with an uneven shape made of, for example, a triangular prism 441.
  • impurities deposited during the evaporation of water in the chamber space 430 of the steam generator 420 can be reduced in size and subdivided.
  • the uneven shape configuration not only facilitates the mold configuration, but also facilitates manufacture.
  • the upstream side near the inflow port 437 forms an uneven shape on the entire surface of the bottom surface 442 and the outer peripheral side wall 443.
  • the number of concave and convex shapes decreases or is not locally provided as it approaches the exhaust port 438 from the middle of the steam flow path of the chamber space 430.
  • FIG. 8 is a schematic exploded perspective view of the steam generator in the same embodiment.
  • FIG. 9 is a schematic perspective view of a lid piece of the steam generator in the same embodiment.
  • the lid piece 424 is provided with, for example, a quadrangular pyramid 440 that forms an uneven shape on the lower surface 434, similarly to the bottom surface 442 surrounding the chamber space 430 of the main piece 423 shown in FIG. ing.
  • the quadrangular pyramids 440 are continuously arranged, for example, and provided on the lower surface 434 of the lid piece 424.
  • the steam generator 420 includes a packing ring 433 made of, for example, heat-resistant rubber, which is attached to the main piece 423 so as to surround the outer chamber wall 431.
  • the lid piece 424 includes a lower surface 434 facing the main piece 423 and an outer shield wall 435 having substantially the same shape (including the same shape) as the outer chamber wall 431 of the main piece 423. And having.
  • the outer shield wall 435 of the lid piece 424 compresses the packing ring 433 by pressing the lid piece 424 against the main piece 423.
  • the chamber space 430 of the steam generator 420 is kept airtight.
  • the main piece 423 is formed with an inlet 437 for allowing water supplied through the connection pipe 421 connected to the lower surface 427 of the main piece to flow into the chamber space 430.
  • the inflow port 437 is formed substantially at the center (including the center) of the chamber space 430, and the periphery thereof is surrounded by the inner chamber wall 432.
  • the steam generator 420 of the present embodiment is configured.
  • the water is emitted upward (on the lid piece 424 side) through the connection pipe 421 and the inflow port 437. Then, the water emitted to the chamber space 430 of the steam generator 420 passes through the inner chamber wall 432, the upper surface 429 of the main piece 423 surrounded by the inner chamber wall 432 and / or the lid piece 424 located above the inflow port 437. Collide with the lower surface 434. At this time, the steam generator 420 is heated by the heater 425 (for example, about 200 ° C.) and has high thermal energy.
  • the heater 425 for example, about 200 ° C.
  • a water supply operation is intermittently performed by the pump 330 of the steam supply mechanism 300 to supply an appropriate amount of water into the chamber space 430 of the steam generator 420 (for example, about 2 cc / time).
  • the pump 330 of the steam supply mechanism 300 to supply an appropriate amount of water into the chamber space 430 of the steam generator 420 (for example, about 2 cc / time).
  • the internal pressure of the chamber space 430 rises abruptly as the water evaporates instantaneously.
  • impurities contained in the water supplied to the steam generator 420 are deposited or deposited on the wall surface forming the chamber space 430 at the time of vaporization.
  • the surface constituting the steam flow path from the inlet 437 to the exhaust outlet 438 is flat, impurities are likely to be formed large. If the impurities are large, the exhaust port 438 is difficult to be discharged, and the exhaust port 438 may be clogged.
  • a triangular prism 441 and a quadrangular pyramid 440 are formed on the surface of the steam flow path from the inlet 437 to the exhaust outlet 438 to form an uneven shape. Yes.
  • the adhered or deposited impurities are particularly concentrated in the concave and convex portions formed on the surface of the vapor flow path.
  • the concave portion is also formed in an acute angle shape. For this reason, impurities attached or deposited in the recesses are brittle and easily broken, so that impurities having a relatively small size are attached or deposited.
  • the impurities are miniaturized by the quadrangular pyramid 440 and the triangular prism 441 into peeling pieces having a diameter equal to or smaller than the diameter of the exhaust port 438.
  • the impurities can easily flow through the flow path under the action of the pressure at the time of water vaporization.
  • impurities can be easily discharged from the chamber space 430 to the outside through the exhaust port.
  • the number of uneven shapes formed in the steam flow path be larger on the upstream side near the inlet 437 of the chamber space 430 than on the downstream side near the exhaust port 438.
  • an uneven shape is formed on substantially the entire surface of the bottom surface 442 and the outer peripheral side wall 443 on the side close to the inlet 437 of the chamber space 430.
  • it is configured such that the number of uneven shapes decreases or does not locally as approaching the exhaust port 438 from the middle of the steam flow path of the chamber space 430.
  • the downsizing and fragmentation of the impurities can be promoted on the upstream side, and the downsized impurities can be easily discharged on the downstream side. .
  • the trapping of impurities on the downstream side can be suppressed, and the impurities can be easily and smoothly discharged outside the chamber space 430.
  • FIG. 10 is a schematic plan view of the main piece of the steam generator in the same embodiment.
  • the heater 425 is disposed so as to extend along a substantially U-shaped (including U-shaped) path in the main piece 423. Thereby, the heater 425 surrounds the inflow port 437 to which the connection pipe 421 is attached. Therefore, the inner chamber wall 432 and the region surrounded by the inner chamber wall 432 become the highest temperature in the chamber space 430 due to the heating of the heater 425. As a result, the water emitted into the chamber space 430 through the inflow port 437 is instantly evaporated.
  • the inner chamber wall 432 is provided so as to extend in a substantially J shape (including a J shape) in the chamber space 430 defined by the outer chamber wall 431. That is, the inner chamber wall 432 forms a spiral flow path in the chamber space 430.
  • the main piece 423 is formed with an exhaust port 438 formed near the end of the flow path through which water and steam flow. Therefore, the vapor generated in the space surrounded by the inner chamber wall 432 moves toward the exhaust port 438 as the internal pressure of the chamber space 430 increases. Then, the steam that has reached the exhaust port 438 is exhausted downward in the vertical direction through the exhaust pipe 422 attached to the exhaust port 438.
  • the heater 425 is provided so as to extend in a substantially U shape (including a U shape) along the outer path of the spiral flow path. Therefore, the steam generated in the space surrounded by the inner chamber wall 432 moves toward the exhaust pipe 422 while being heated. Thereby, high-temperature steam is exhausted from the exhaust pipe 422 of the steam generator 420.
  • the steam generator 420 of the present embodiment can emit water to the heated wall surface and evaporate the water instantly. Therefore, compared with the conventional case where steam is generated by a heater immersed in water, the power consumption required for generating the same amount of steam can be reduced. As a result, a clothing processing apparatus with low power consumption can be realized.
  • FIG. 11 is a schematic view of a water supply mechanism of the steam supply mechanism in the same embodiment.
  • the water supply mechanism 500 that emits water to the chamber space 430 of the steam generator 420 has the above-described water supply valve 310, water storage tank 320, pump 330, connection pipe 421, and water level in the water storage tank 320.
  • a water level sensor 321 for measuring is provided.
  • the water supply valve 310 supplies water to the water storage tank 320 or stops water supply to the water storage tank 320 according to the water level detected by the water level sensor 321.
  • the water supply valve 310 may be controlled according to the operation time and / or operation pattern of the pump 330 (intermittent water supply operation and / or continuous water supply operation). For example, the amount of water supplied from the water supply valve 310 may be adjusted so that the water storage tank 320 becomes empty when the operation of the pump 330 ends. Thereby, even if outside temperature falls, freezing of the water in the water storage tank 320 becomes difficult to occur. As a result, the reliability of the washing machine 100 can be further improved.
  • the pump 330 supplies the water stored in the water storage tank 320 to the chamber space 430 of the steam generator 420 through the connection pipe 421. At this time, in the intermittent water supply operation by the pump 330, for example, the supply amount, the supply time, the supply interval, and the like are adjusted so that the water emitted into the chamber space 430 evaporates instantaneously.
  • the exhaust pipe 422 of the steam generator 420 is connected to the steam conduction pipe 340. Accordingly, the steam generated in the chamber space 430 by the intermittent water supply operation of the pump 330 and the water flowing into the chamber space 430 by the continuous water supply operation of the pump 330 are passed through the exhaust pipe 422 and the steam conduction pipe 340. Can flow into the storage tank 200.
  • the water supply mechanism of the steam supply mechanism of the washing machine 100 of the present embodiment is configured.
  • FIG. 12 is a schematic rear view of the front part of the storage tub of the washing machine in the same embodiment.
  • the annular portion 224 of the front portion 222 of the water tank 220 has an inner surface 225 that faces the rotating drum 210 and an outer surface 226 that faces the front wall 111 of the housing 110.
  • FIG. 12 mainly shows the inner surface 225 of the annular portion 224 of the front portion 222 of the water tank 220.
  • the steam supply mechanism 300 described above connects the branch pipe 351 attached to the inner surface 225, the nozzle 352 disposed above the branch pipe 351, and the branch pipe 351 and the nozzle 352.
  • a steam tube 353 is further provided.
  • the steam conduction pipe 340 is connected to the branch pipe 351 through the peripheral wall portion 223 of the water tank 220.
  • the high-temperature steam reaching the branch pipe 351 is guided to the steam tube 353 and flows through the nozzle 352 disposed above the branch pipe 351. Finally, the steam is jetted downward from the nozzle 352 into the rotating drum 210 of the storage tank 200.
  • the exhaust pipe 422, the steam conducting pipe 340, the branch pipe 351, and the steam tube 353 guide the steam generated in the chamber space 430 to the nozzle 352.
  • the pump 330 that performs the intermittent water supply operation emits an appropriate amount of water to the high-temperature chamber space 430 heated by the heater 425, whereby water is instantly evaporated.
  • the internal pressure of the chamber space 430 of the steam generator 420 rapidly increases due to water evaporation.
  • the generated steam is injected from the nozzle 352 at a high pressure.
  • the steam is injected so as to cross the internal space of the storage tank 200 up and down.
  • a branch pipe 351 for guiding steam from the steam conduction pipe 340 to the steam tube 353 includes a parent pipe 354 connected to the steam conduction pipe 340, an upper pipe 355 bent upward from the parent pipe 354, and a parent pipe 354.
  • the upper tube 355 is connected to the steam tube 353, and defines an upward path for the steam toward the nozzle 352.
  • the lower tube 356 defines a downward path. Specifically, when continuous water supply operation is performed by the pump 330, water mainly flows into the branch pipe 351 through the steam conduction pipe 340. Then, the water that has flowed into the branch pipe 351 flows down through the lower pipe 356 by gravity.
  • the main pipe 354 and the upper pipe 355 of the branch pipe 351 are connected at an obtuse angle ⁇ 1 and the main pipe 354 and the lower pipe 356 are an acute angle. They are connected at an angle ⁇ 2.
  • the included angle ⁇ 2 is an acute angle
  • the flow loss from the main tube 354 to the lower tube 356 becomes relatively large. Therefore, the steam that has flowed into the parent tube 354 hardly flows to the lower child tube 356 and flows mainly to the upper child tube 355.
  • the upper tube 355 defines an upward flow path, the water flowing into the parent tube 354 hardly flows to the upper tube 355 and mainly flows to the lower tube 356 due to the action of gravity. As a result, the flow path of steam and the flow path of water can be appropriately separated by the branch pipe 351.
  • FIG. 13 is an explanatory view schematically showing the relationship between the intermittent operation of the pump of the water supply mechanism and the temperature in the chamber space in the same embodiment.
  • the period during which the pump 330 is operating (ON period) is set shorter than the period during which the pump 330 is stopped (OFF period). Accordingly, an appropriate amount of water can be emitted into the chamber space 430 of the steam generator 420 of the steam generation unit 400.
  • intervals between the ON period and the OFF period shown in FIG. 13 are relative, and needless to say, the interval is changed depending on the volume of the chamber space 430, the heating amount of the heater, and the necessary steam amount.
  • the pump 330 supplies a predetermined amount of water to the chamber space 430 during the ON period.
  • the supplied water evaporates and becomes steam.
  • the temperature of the chamber space 430 temporarily decreases due to the heat of vaporization caused by the phase change from water to steam.
  • the heater 425 can sufficiently raise the temperature of the chamber space 430 during the OFF period. As a result, it is possible to continue supplying high-pressure steam to the storage tank 200 while the pump 330 performs an intermittent operation.
  • the chamber space 430 is sufficiently heated during the OFF period.
  • an appropriate amount of water that evaporates instantaneously is supplied to the thermal energy of the steam generator 420 including the chamber space 430 (for example, about 2 cc / time), and thus a high pressure is obtained. Steam can continue to be supplied to the storage tank 200.
  • FIG. 14 will be described below with reference to FIGS. 1, 8 and 11 with respect to the effect of the steam supplied to the storage tank via the steam supply mechanism of the embodiment of the present invention, particularly the effect in the washing step. It explains using.
  • FIG. 14 is an explanatory diagram schematically showing a change in the temperature of the water supplied to the water tank of the washing machine in the embodiment.
  • a hot water heater 160 for heating water supplied into the water tank 220 is disposed at the bottom of the water tank 220.
  • the water in the water tank 220 is heated using the hot water heater 160.
  • the hot water heater 160 since the hot water heater 160 generates a large amount of heat, the temperature of the water contained in the clothes in the water tank 220 rises rapidly. And when the predetermined temperature is reached, heating of water in the water tank 220 is stopped.
  • the dotted line after the heating stop shown in FIG. 14 represents a change in the temperature of water contained in the clothing when the heating by the hot water heater 160 is stopped and no steam is supplied.
  • the solid line after stopping the heating represents the change in the temperature of the water contained in the clothing when the heating by the hot water heater 160 is stopped and the steam is supplied to the storage tank 200.
  • the washing step high-temperature steam is directly supplied to the storage tub 200 toward the clothes. Therefore, the temperature drop of the water contained in the clothes in the water tank 220 is relaxed (suppressed) by the high-temperature steam.
  • the heater 425 used for the steam generator 420 consumes less power than the hot water heater 160 attached to the water tank 220.
  • the pump 330 it is preferable to use the pump 330 to stop the hot water heater 160 and then perform an intermittent water supply operation to supply high temperature steam to the storage tank.
  • the rotating drum 210 is rotated at a high speed by the motor 231. At this time, as shown in FIG. 1, a large number of small holes 219 are formed in the peripheral wall 211 of the rotary drum 210.
  • the clothing housed in the rotating drum 210 is pressed against the peripheral wall 211 by the centrifugal force generated by the rotation of the rotating drum 210, and moisture contained in the clothing is discharged outside the rotating drum 210 through the small hole 219. As a result, the clothing is properly dehydrated.
  • the fibers of the dehydrated clothing are likely to be hydrogen-bonded to each other, and the hydrogen bonding between the fibers becomes a factor that causes wrinkles of the clothing.
  • FIG. 15A to FIG. 15C are schematic timing charts showing the timing of steam supply during the dehydration step in the same embodiment.
  • the steam supply mechanism 300 starts supplying steam after a predetermined period (T1) has elapsed from the start of the dehydration step.
  • T1 a predetermined period
  • the garment can be efficiently moistened by the amount of heat of steam and moisture.
  • steam may be supplied by the steam supply mechanism 300 in synchronization with the start of the dehydration step.
  • the garment since the temperature of the garment is raised at the beginning of the dehydration step, the garment can be effectively wetted at a high temperature.
  • the steam supply mechanism 300 causes the dehydration step to start for a certain period, for example, after a predetermined time (T1) has elapsed or until a predetermined time (T2). During this period, steam may be supplied.
  • T1 a predetermined time
  • T2 a predetermined time
  • T2 a predetermined time
  • T3 a predetermined time
  • T3 a predetermined time
  • T3 a predetermined time
  • T2 a predetermined time
  • the period during which the steam is supplied by the steam supply mechanism 300 may be the entire period from the start to the end of the dehydration step.
  • the power supply to the heater 425 is stopped to cool the steam generator 420. Thereafter, a continuous water supply operation is started by the pump 330. Accordingly, water continuously flows from the water storage tank 320 into the chamber space 430 of the steam generator 420. Then, the water that has flowed into the chamber space 430 takes heat from the steam generator 420 and then flows from the steam conduction pipe 340 into the storage tank 200 through the branch pipe 351. As a result, the steam generator 420 can be cooled in a short period of time.
  • FIG. 16 is a block diagram schematically showing control on the door body based on the temperature of the steam generator in the embodiment.
  • the washing machine 100 of the present embodiment includes a lock mechanism 121 that locks the door body 120 in the closed position, and a control unit 122 that controls locking and unlocking of the lock mechanism 121.
  • a lock mechanism 121 that locks the door body 120 in the closed position
  • a control unit 122 that controls locking and unlocking of the lock mechanism 121.
  • the mechanical and electrical mechanisms of the lock mechanism 121 may use a known washing machine structure.
  • the steam generator 420 includes a thermistor 426.
  • the thermistor 426 detects the temperature of the main piece 423 of the steam generator 420 and outputs a signal corresponding to the detected temperature to the control unit 122.
  • control unit 122 maintains the door 120 locked by the lock mechanism 121 until the signal output from the thermistor 426 reaches a temperature equal to or lower than a predetermined value. Thereby, the internal space of the storage tank 200 is isolated from the outside until the steam generator 420 becomes a predetermined temperature or lower. As a result, the user can be prevented from coming into contact with high-temperature steam, and the washing machine 100 that is safe and highly reliable can be realized.
  • a triangular prism or a quadrangular pyramid has been described as an example of the uneven shape, but is not limited thereto.
  • a projection shape such as a cone, a triangular pyramid or a polygonal pyramid may be used.
  • the bottom area has a shape larger than the area near the apex, and the shape is arbitrary. Thereby, the same effect can be acquired.
  • the concavo-convex shape may be configured by arbitrarily arranging triangular prisms, quadrangular pyramids, cones, triangular pyramids, polygonal pyramids or the like having different shapes. Thereby, the same effect can be acquired.
  • FIG. 17 is a schematic exploded perspective view of a steam generator used in a washing machine exemplified as a clothing processing apparatus according to Embodiment 2 of the present invention.
  • the clothing processing apparatus is different from the steam generator 420 according to the first embodiment in that a heater 425A is provided on the lid piece 424A of the steam generator 420A. Since other configurations, operations and actions are the same as those in the first embodiment, detailed description thereof is omitted. Further, the same components as those of the steam generator 420 according to the first embodiment will be described with the same reference numerals.
  • the steam generator 420A of the clothing processing apparatus includes at least a main piece 423A, a lid piece 424A, and a packing ring 433 sandwiched between the main piece 423A and the lid piece 424A. Is composed of. And heater 425A is attached to lid piece 424A which constitutes steam generator 420A.
  • FIG. 18 is a schematic perspective view of the steam generator in the same embodiment.
  • the cover piece 424A of the steam generator 420A includes an inner shield wall 436 surrounded by an outer shield wall 435.
  • the inner shield wall 436 of the lid piece 424A is provided in substantially the same shape (including the same shape) as the inner chamber wall 432 of the main piece 423A. Therefore, the inner shield wall 436 of the lid piece 424A overlaps the inner chamber wall 432 of the main piece 423A. As a result, a spiral flow path is formed in the chamber space 430 of the steam generator 420A.
  • the heater 425A is attached in the lid piece 424A so as to surround the facing region 439.
  • the steam generator 420A of the present embodiment is configured.
  • the water emitted to the chamber space 430 of the steam generator 420A is the lower surface of the lid piece 424A located above the inlet 437 on the inner chamber wall 432 and the upper surface 429 of the main piece 423 surrounded by the inner chamber wall 432. It collides with the opposite area 439 of 434. At this time, the cover piece 424A of the steam generator 420A is heated by the heater 425A, and the facing region 439 is particularly hot.
  • the water supply operation is intermittently performed by the pump 330 of the steam supply mechanism 300 to adjust the flow rate of the supplied water, and the supplied water evaporates instantaneously.
  • the size of the impurities is reduced by the concave / convex shape formed by the quadrangular pyramid 440 and the triangular prism 441 formed in the chamber space 430 of the main piece 423A of the steam generator 420A.
  • impurities can be easily discharged from the chamber space 430 to the outside through the exhaust port.
  • the garment processing apparatus includes a storage tank that stores clothing, and a steam supply mechanism that supplies steam to the storage tank.
  • the steam supply mechanism includes a water supply valve, a steam And a generator.
  • the steam generation unit includes a heater that heats a wall surface that defines a chamber for generating steam, a water supply mechanism that emits water to the wall surface, an inlet that emits water to the chamber, and an exhaust that discharges steam from the chamber. And a mouth. You may comprise the uneven
  • the water supplied into the chamber is, for example, hard water
  • the impurities can be reduced in size and subdivided, and the impurities can be discharged from the exhaust port so that the exhaust port is not easily clogged with the impurity.
  • the steam flow path may have a structure in which uneven shapes are continuously arranged.
  • the number of uneven shapes on the side close to the inlet may be configured to be greater than the number of uneven shapes on the side close to the exhaust port in the steam flow path.
  • the uneven shape may be constituted by either a triangular pyramid or a quadrangular pyramid.
  • an impurity can be reduced in size and can be easily discharged
  • the present invention is suitably used for an apparatus for processing clothing using steam.

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)

Abstract

La présente invention concerne un dispositif de traitement de linge doté d'un réservoir de réception qui reçoit le linge, et d'un mécanisme d'alimentation en vapeur qui fournit de la vapeur vers le réservoir de réception. Le mécanisme d'alimentation en vapeur comprend : un générateur de vapeur doté d'une surface de paroi définissant une chambre destinée à générer de la vapeur ; un élément chauffant (425) qui chauffe la surface de paroi ; et un mécanisme d'alimentation en eau qui évacue l'eau vers la surface de paroi. Le mécanisme d'alimentation en eau comprend : un tuyau de raccordement relié au générateur de vapeur ; une ouverture d'admission (437) qui évacue l'eau dans le générateur de vapeur ; et une ouverture de décharge de vapeur (438) qui évacue la vapeur depuis l'intérieur du générateur de vapeur. La surface de paroi du passage d'écoulement de vapeur qui s'étend depuis l'ouverture d'admission (437) vers l'ouverture de décharge de vapeur (438) est formée de manière irrégulière. Conséquence de cette configuration, les morceaux d'impuretés formés dans le passage d'écoulement de vapeur et qui se décollent sont de taille plus réduite et sont plus facilement décollés par la vapeur. Par conséquent, les impuretés ne se coincent pas.
PCT/JP2013/004498 2012-08-27 2013-07-24 Dispositif de traitement de linge WO2014034015A1 (fr)

Priority Applications (2)

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EP13832701.0A EP2889414B1 (fr) 2012-08-27 2013-07-24 Dispositif de traitement de linge
CN201380044694.2A CN104583480B (zh) 2012-08-27 2013-07-24 衣物处理装置

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JP2012-186197 2012-08-27
JP2012186197A JP6244536B2 (ja) 2012-08-27 2012-08-27 衣類処理装置

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EP3467186A1 (fr) * 2014-09-29 2019-04-10 LG Electronics Inc. Générateur de vapeur et appareil de traitement du linge avec ledit générateur de vapeur
US11319262B2 (en) 2019-10-31 2022-05-03 Eastman Chemical Company Processes and systems for making recycle content hydrocarbons
US11365357B2 (en) 2019-05-24 2022-06-21 Eastman Chemical Company Cracking C8+ fraction of pyoil
US11939534B2 (en) 2019-11-07 2024-03-26 Eastman Chemical Company Recycle content alpha olefins and fatty alcohols
US11945998B2 (en) 2019-10-31 2024-04-02 Eastman Chemical Company Processes and systems for making recycle content hydrocarbons
US11946000B2 (en) 2019-05-24 2024-04-02 Eastman Chemical Company Blend small amounts of pyoil into a liquid stream processed into a gas cracker

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US11365357B2 (en) 2019-05-24 2022-06-21 Eastman Chemical Company Cracking C8+ fraction of pyoil
US11946000B2 (en) 2019-05-24 2024-04-02 Eastman Chemical Company Blend small amounts of pyoil into a liquid stream processed into a gas cracker
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US11939534B2 (en) 2019-11-07 2024-03-26 Eastman Chemical Company Recycle content alpha olefins and fatty alcohols

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JP6244536B2 (ja) 2017-12-13
CN104583480B (zh) 2017-07-28
CN104583480A (zh) 2015-04-29
EP2889414B1 (fr) 2019-10-09
JP2014042643A (ja) 2014-03-13
EP2889414A1 (fr) 2015-07-01
EP2889414A4 (fr) 2015-10-21

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