WO2021020071A1 - ドラム式洗濯機 - Google Patents

ドラム式洗濯機 Download PDF

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Publication number
WO2021020071A1
WO2021020071A1 PCT/JP2020/026987 JP2020026987W WO2021020071A1 WO 2021020071 A1 WO2021020071 A1 WO 2021020071A1 JP 2020026987 W JP2020026987 W JP 2020026987W WO 2021020071 A1 WO2021020071 A1 WO 2021020071A1
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WO
WIPO (PCT)
Prior art keywords
detergent
water
drum
washing machine
water tank
Prior art date
Application number
PCT/JP2020/026987
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
秀夫 芳賀
静男 下部
俊吾 石原
秀太 植平
Original Assignee
パナソニックＩｐマネジメント株式会社
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Ｉｐマネジメント株式会社 filed Critical パナソニックＩｐマネジメント株式会社
Priority to CN202080053173.3A priority Critical patent/CN114174582B/zh
Priority to JP2021536886A priority patent/JP7324977B2/ja
Publication of WO2021020071A1 publication Critical patent/WO2021020071A1/ja

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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 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state
    • 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 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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

Definitions

  • the present invention relates to a drum type washing machine.
  • Conventional drum-type washing machines include a water tank that is elastically supported inside the main body of the washing machine, a rotating drum that is rotatably contained in the water tank, a motor that drives the rotating drum to rotate, and a detergent that is charged inside.
  • the washing machine is provided with a detergent charging device for supplying the air into the rotating drum and a drying device for blowing dry air into the rotating drum.
  • the detergent input device includes a water supply hose, a detergent case for accommodating the detergent, and a water supply path connecting the detergent case and the upper front surface of the water tank.
  • the drying device includes a drying heater that heats the air and a blower fan that blows the heated air into the inside of the rotating drum.
  • a trap portion for storing water is formed in the middle of the water supply route, and the water stored in the trap portion suppresses the air heated by the drying device from entering the detergent case (for example, Patent Document 1). reference).
  • drum-type washing machines include a main body housing, a water tank swayably and elastically supported in the main body housing, a rotating drum rotatably contained in the water tub, and a rotating drum for accommodating laundry. It includes a motor for rotationally driving the drum, a foam generating unit that generates foam and supplies the foam to the storage tank, and a circulation pump that supplies the washing liquid in the storage tank to the foam generating unit.
  • the foam generation unit has a housing, and the inside of the housing is divided into a water supply channel that serves as a passage for washing liquid supplied from a circulation pump and a foam generation chamber that communicates with the water supply channel, and is formed in the water supply channel. Detergent foam is generated by colliding with the liquid surface of the washing liquid stored in the foam generation chamber by the discharge port (see, for example, Patent Document 2).
  • the present disclosure provides a drum-type washing machine that prevents air heated by a drying device from entering the detergent container and preventing detergent and water from reaching the inside of a rotating drum at an inappropriate timing.
  • the drum-type washing machine in the present disclosure includes a main body housing, a water tank swayably supported inside the main body housing, a rotating drum rotatably arranged inside the water tank, and the water tank or the water tank or A detergent charging device for supplying detergent to the rotating drum is provided.
  • the detergent charging device includes a detergent storage container into which detergent is charged, a first flow path including a storage unit connected to the detergent storage container and formed so as to store a liquid, and downstream and above the storage unit. It communicates with the first flow path. Further, a second flow path connected to the water tank and a third flow path that communicates with the first flow path downstream and above the second flow path and also communicates with the inside of the rotary drum. And, including.
  • the drum-type washing machine in the present disclosure suppresses the air heated by the drying device from entering the detergent container and the detergent and water from reaching the inside of the rotating drum at an inappropriate timing.
  • the present disclosure also provides a drum-type washing machine capable of generating detergent foam with a simple configuration.
  • the drum-type washing machine in the present disclosure includes a main body housing, a water tank swayably and elastically supported in the main body housing, a rotating drum rotatably contained in the water tank and accommodating laundry, and the rotation.
  • a motor for rotationally driving the drum, a detergent charging device for supplying detergent to the water tank or the rotating drum, and a water supply device for supplying water to the detergent charging device are provided.
  • the detergent charging device is provided in a detergent storage container into which detergent is charged, a storage unit provided below the detergent storage container and in which detergent flowing down from the detergent storage container is stored, and above the storage unit. , A spout for dropping the water supplied from the water supply device onto the liquid surface of the storage unit.
  • the drum-type washing machine in the present disclosure can generate detergent foam with a simple configuration.
  • FIG. 1 is an external perspective view of the drum-type washing machine according to the first embodiment.
  • FIG. 2 is a vertical sectional view of the drum type washing machine according to the first embodiment.
  • FIG. 3 is a block circuit diagram of the drum type washing machine according to the first embodiment.
  • FIG. 4 is an external perspective view of the detergent container of the drum-type washing machine according to the first embodiment.
  • FIG. 5 is a partially perspective view showing the periphery of the storage portion of the drum-type washing machine according to the first embodiment.
  • FIG. 6 is an external perspective view of the drum-type washing machine according to the first embodiment as viewed from the front side.
  • FIG. 7 is an external perspective view of the drum-type washing machine according to the first embodiment as viewed from the back side.
  • FIG. 1 is an external perspective view of the drum-type washing machine according to the first embodiment.
  • FIG. 2 is a vertical sectional view of the drum type washing machine according to the first embodiment.
  • FIG. 3 is a block circuit diagram of the drum type washing machine according
  • FIG. 8 is a vertical sectional view of the drum-type washing machine according to the first embodiment.
  • FIG. 9 is a block circuit diagram of the drum type washing machine according to the first embodiment.
  • FIG. 10 is a partially perspective top view of the drum-type washing machine according to the first embodiment.
  • FIG. 11 is a vertical cross-sectional view of the upper half of the drum-type washing machine according to the first embodiment.
  • FIG. 12 is a cross-sectional view seen from the front of a part of the foam generating portion of the drum type washing machine according to the first embodiment.
  • FIG. 13 is a cross-sectional view seen from the front of a part of the foam generating portion of the drum-type washing machine according to the second embodiment.
  • FIG. 14 is a cross-sectional view seen from the front of a part of the foam generating portion of the drum type washing machine in another embodiment.
  • FIG. 1 is an external perspective view of the drum-type washing machine according to the first embodiment.
  • FIG. 2 is a vertical sectional view of the drum type washing machine according to the first embodiment.
  • FIG. 3 is a block circuit diagram of the drum type washing machine according to the first embodiment.
  • a door body 3 is arranged to be openable and closable on the front side of the main body housing 1, and an operation unit 4 and a display unit 5 are arranged above the door body 3. ..
  • a part of the door body 3 is transparent so that the inside can be visually recognized, and the door body 3 is arranged so as to cover the insertion port 7 which opens on the front side of the main body housing 1.
  • the operation unit 4 inputs various washing courses by the operation of the user.
  • the display unit 5 is arranged adjacent to the operation unit 4 and displays an input result by the operation of the user, information on the selected washing course, a process progress status during the washing course operation, and the like.
  • a detergent storage container 6 for storing detergent and finishing agent is arranged above the door body 3 and on the side of the operation unit 4 and the display unit 5.
  • the detergent storage container 6 is formed with a handle portion 2 that is concave with respect to the main body housing 1, and is configured so that the user can put his / her hand in the handle portion 2 and pull it out. Before the start of the washing operation, the user can pull out the detergent storage container 6 and put the detergent and the finishing agent into the detergent storage container 6 in advance.
  • the water supply valve 25 has a plurality of valves in which two or more water channels can be opened and closed.
  • the water tank 11 is arranged inside the main body housing 1 and is swingably supported by a lower damper 15 and an upper spring body 16.
  • the water tank 11 is formed in a bottomed cylindrical shape, and is arranged so that the opening of the water tank 11 faces the inlet 7.
  • An annular packing 8 made of an elastic body such as a rubber material is arranged in the gap between the inlet 7 and the front surface of the water tank 11 to prevent clothes and washing water from jumping out from the gap.
  • the rotary drum 10 is formed in a bottomed cylindrical shape and is rotatably arranged inside the water tank 11. By opening the door body 3, the user can put the laundry in and out of the rotating drum 10 through the input port 7.
  • a large number of water passage holes 14 are provided on the outer peripheral portion of the rotary drum 10, and the water accumulated inside the water tank 11 is allowed to pass inside and outside the rotary drum 10. Further, a plurality of baffles 13 are provided on the inner wall surface of the rotating drum 10 for stirring clothes.
  • a rotation axis (rotation center axis) 51 is provided at the rotation center of the rotation drum 10 in the inclination direction, and the axis direction of the rotation drum 10 is inclined downward from the front side to the back side.
  • the motor 12 is attached near the bottom on the back side of the water tank 11 and is connected to the rotating shaft 51 via a belt 52.
  • the motor 12 rotationally drives the rotating drum 10 in the forward and reverse directions via the belt 52 and the rotating shaft 51.
  • One end of the drainage path 19 is connected to the lower part of the water tank 11, and the other end is connected to the drain valve 18.
  • the drainage path 19 drains the washing water inside the water tank 11 to the outside of the main body housing 1 with the drain valve 18 open.
  • the detergent charging device is housed in a substantially box-shaped frame body 38, a water supply member 35 connected to a water supply path 50 communicating with the water supply valve 25, and a frame body 38, and is arranged so as to be able to be pulled out forward. Includes container 6 and.
  • the water supply valve 25 When the water supply valve 25 is opened, the water supplied from the water supply path 50 to the water supply member 35 is poured into the detergent storage container 6 below. The route from the detergent charging device to the water tank 11 will be described later.
  • the water level detecting means 34 is arranged on the upper part of the main body housing 1 and detects the water level in the water tank 11.
  • the water tank vibration detecting means 36 is arranged above the water tank 11 and detects the vibration of the water tank 11 during dehydration by detecting the acceleration generated in the water tank 11 and its direction.
  • the control unit 53 is arranged inside the lower part of the main body housing 1.
  • the control unit 53 controls the operation of the motor 12, the water supply valve 25, the drain valve 18, etc. based on the information of the water level detecting means 34, the water tank vibration detecting means 36, etc., and controls each process including washing, rinsing, and dehydration. To do.
  • the control unit 53 includes a power switch 33, a water level detecting means 34, a water tank vibration detecting means 36, a cloth amount detecting means 37, an operation unit 4, a display unit 5, a motor 12, a drain valve 18, and a water supply valve. It is connected to 25.
  • the power switch 33 turns on / off the power supplied from the commercial power supply to the main body housing 1, and is manually operated by the user.
  • the cloth amount detecting means 37 detects the amount of laundry put into the rotating drum 10.
  • FIG. 4 is an external perspective view of the detergent container of the drum-type washing machine according to the first embodiment.
  • FIG. 5 is a partially perspective view showing the periphery of the storage portion of the drum-type washing machine according to the first embodiment. In FIG. 5, the detergent storage container 6 is not shown.
  • the detergent storage container 6 is provided with a detergent storage unit 27 for charging the detergent and a finishing agent storage unit 9 for charging the finishing agent.
  • a bellows-shaped water supply member 31 is connected to the lower part of the frame body 38, and the water supply member 31 is connected to the storage member 40.
  • the storage member 40 includes a storage portion 42 which is a bent portion, a first discharge flow path 28 provided downstream of the storage portion 42, a flow diversion path opening 41 formed in the middle of the first discharge flow path 28, and a first discharge. It includes a second discharge flow path 29 provided downstream of the flow path 28, and a discharge connection portion 30 communicating with the rotary drum 10 via the annular packing 8 downstream of the second discharge flow path 29.
  • the water supply member 31, the storage unit 42, and the first discharge flow path 28 form a first flow path.
  • the storage member 40 is arranged so that the storage unit 42 is the lowest in the attached state. Since the storage portion 42 is a bent portion of the storage member 40 formed in a substantially V shape, it has a structure in which water always remains. The residual water can prevent water vapor generated inside the water tank, heated air, and the like from flowing into the detergent container 6.
  • the first discharge flow path 28 is formed so as to extend upward from the storage portion 42. Above the first discharge flow path 28, a diversion path opening 41 connected to the diversion path 43 described later is formed. The flow dividing path opening 41 is formed so that the diameter is smaller than that of the first discharge flow path 28.
  • the second discharge flow path 29 is above the opening for the diversion path 41.
  • the discharge connection portion 30 is formed in a substantially tubular shape so as to extend from the second discharge flow path 29, which is the upper part of the first discharge flow path 28, toward the annular packing 8.
  • the annular packing 8 is provided with a discharge port 81 so as to face the discharge connection portion 30.
  • the discharge port 81 is formed in a substantially tubular shape extending inside the rotary drum 10, and is configured to be able to discharge the passing liquid toward the back surface.
  • the second discharge flow path 29, the discharge connection portion 30, and the discharge port 81 form a third flow path.
  • the diversion path 43 is connected to the diversion path opening 41.
  • the diversion path 43 extends downward and is connected to the telescopic hose 45, and the connecting portion between the telescopic hose 45 and the diversion path 43 is locked to the inner wall of the main body housing 1 by the mooring member 44.
  • the telescopic hose 45 is formed in a bellows shape and is swingably connected to the lower part of the water tank 11. As a result, the telescopic hose 45 absorbs the swing of the water tank 11.
  • the diversion path opening 41, the diversion path 43, and the telescopic hose 45 form a second flow path. This second flow path is configured to be branched from the first flow path, and is a detour route of the third flow path.
  • the detergent storage unit 27 and the finishing agent storage unit 9 are exposed.
  • the user confirms the display unit 5, charges the displayed required amount of detergent into the detergent storage unit 27, and charges the displayed required amount of finishing agent into the finishing agent storage unit 9.
  • the liquid detergent When the user puts in the liquid detergent, a part of the injected liquid detergent flows down to the water supply member 31 and reaches the storage member 40. Since the inside of the storage unit 42 always has residual water, the liquid detergent that has flowed down is mixed with the residual water. When the liquid level of the mixed liquid detergent and water becomes higher than the connection position of the diversion path 43, the mixed liquid detergent and water flow down the diversion path 43 and the telescopic hose 45 and are sent to the water tank 11.
  • control unit 53 controls the operations of the motor 12, the water supply valve 25, the drain valve 18, and the like, and executes each process such as washing, rinsing, and dehydration.
  • control unit 53 opens the water supply valve 25. After passing through the water supply member 35, the tap water supplied from the water supply valve 25 is discharged from a predetermined hole facing the detergent storage portion 27 of the detergent storage container 6.
  • the discharged water and the powder detergent are mixed and sent to the storage member 40 via the water supply member 31.
  • the liquid detergent is charged into the detergent storage unit 27, the discharged water and the liquid detergent remaining in the detergent storage unit 27 are mixed and sent to the storage member 40 via the water supply member 31.
  • the water and detergent sent to the storage member 40 are sent to the inside of the water tank 11 and the rotary drum 10 as described later.
  • the washing process will start.
  • washing and stirring are performed by rotating the rotating drum 10, and dirt adhering to the laundry is removed.
  • the washing water is drained and the rinsing process is started.
  • the dehydration process is executed.
  • the discharge port 81 communicating with the discharge connection portion 30 is provided in the annular packing 8, even if the rotating drum 10 rotates at high speed and the water tank 11 vibrates, it is not easily affected by the vibration.
  • washing is complete.
  • the second flow path is provided as a detour route to the third flow path so that the liquid does not reach the discharge port 81 when the liquid detergent is added.
  • water is supplied to the detergent storage unit 27, and the mixed solution of water and detergent flows down to the storage member 40.
  • the mixed solution of water and detergent that has reached the storage section 42 goes to the water tank 11 via the first discharge flow path 28, the flow diversion path opening 41, the diversion path 43, and the telescopic hose 45. To reach.
  • the flow rate of the water / detergent mixture exceeds the amount of water that can pass through the diversion path opening 41 per unit time, or if the flow rate exceeds the maximum capacity of the diversion path 43, part of the mixture will be partially Proceed to the second discharge flow path 29. After that, the mixed liquid passes through the second discharge flow path 29, the discharge connection portion 30, and the discharge port 81, and is discharged into the rotary drum 10.
  • the amount of liquid passing through the path of the diversion path 43 and the telescopic hose 45 is smaller than the amount of liquid passing through the path of the second discharge flow path 29, the discharge connection portion 30, and the discharge port 81, and the total amount of the mixed liquid is small.
  • the ratio to is small.
  • the drum-type washing machine is rotatably arranged inside the main body housing 1, the water tank 11 swayably supported inside the main body housing 1, and the inside of the water tank 11.
  • the rotating drum 10 is provided with a detergent charging device for supplying detergent to the water tank 11 or the rotating drum 10.
  • the detergent charging device includes a detergent storage container 6 into which detergent is charged, a first flow path including a storage unit 42 connected to the detergent storage container 6 and formed so as to store a liquid, and downstream of the storage unit 42. It communicates with the first flow path above. Further, a second flow path connected to the water tank 11 and a third flow path that communicates with the first flow path downstream and above the second flow path and also communicates with the inside of the rotary drum 10. including.
  • the second flow path may include a connecting portion with the water tank 11 and may include a telescopic hose 45 which is swingably fixed to the main body housing 1.
  • the telescopic hose 45 absorbs the vibration of the water tank 11 and is fixed to the main body housing 1 by the mooring member 44, so that the vibration is not transmitted to the diversion path 43.
  • the discharge port 81 provided in the annular packing 8 has been described as an example of the opening of the second flow path communicating with the inside of the rotary drum 10.
  • the opening of the second flow path may be any one that communicates with the inside of the rotating drum 10. Therefore, the opening of the second flow path may be provided in addition to the annular packing 8.
  • the water supply member 31 and the storage member 40 have been described as an example of the first flow path including the storage unit.
  • the storage member 40 is not limited to a shape that bends in a substantially V shape, as long as the storage portion 42 is formed at the lowest position.
  • the storage member 40 may be substantially U-shaped or the like.
  • the drum-type washing machine according to the first embodiment shown in FIGS. 1 to 5 and the drum-type washing machine according to the first embodiment shown in FIGS. 6 to 12 are a water tank 11, 540, and a rotary drum 10. Although different configurations such as the installation angles of 530 and 530 are disclosed, the characteristic configurations are the same. Therefore, the drum-type washing machine shown in FIGS. 1 to 12 will be described as the drum-type washing machine according to the first embodiment. To do. However, since the action of the drum-type washing machine in the first embodiment shown in FIGS. 1 to 5 and the drum-type washing machine in the first embodiment shown in FIGS. 6 to 12 are different, the action depends on the components. Has different definitions or different codes.
  • FIG. 6 is an external perspective view of the drum-type washing machine according to the first embodiment as viewed from the front side.
  • FIG. 7 is an external perspective view of the drum-type washing machine according to the first embodiment as viewed from the back side.
  • FIG. 8 is a vertical sectional view of the drum-type washing machine according to the first embodiment.
  • the main body housing 200 of the drum-type washing machine 100 is erected between the front wall 210, the rear wall 220 on the side opposite to the front wall 210, and the front wall 210 and the rear wall 220.
  • the water supply port 410 is exposed on the rear wall 220, and water is supplied by connecting the water supply port 410 and the water faucet (not shown) using a hose.
  • a door body 101 is attached to the front wall 210, and the door body 101 rotates between a closed position along the front wall 210 and an open position protruding from the front wall 210.
  • the door body 101 shown in FIG. 1 is in the open position, and when the door body 101 is in the open position, the inlet 511 defined by the storage tank 510 (see FIG. 3) is exposed. At the time of washing, the door body 101 is rotated to the open position, and the clothes are put into the storage tank 510 through the loading port 511.
  • the storage tank 510 elastically supported in the main body housing 200 by a vibration isolator includes a rotary drum 530 in which clothing is housed and a water tank 540 in which the rotary drum 530 is rotatably housed. It is mainly composed.
  • the rotating drum 530 is a cylindrical inner peripheral wall between the inner ring wall 531 defining the input port 511, the inner bottom wall 532 on the opposite side of the inner ring wall 531, and the inner ring wall 531 and the inner bottom wall 532. It is equipped with 533.
  • the water tank 540 includes an outer ring wall 541 arranged between the front wall 210 and the inner ring wall 531 and an outer bottom wall 542 arranged between the rear wall 220 and the inner bottom wall 532, and an outer ring wall 541. It is provided with an outer peripheral wall 543 that surrounds the inner peripheral wall 533 between the outer bottom wall 542 and the outer bottom wall 542.
  • the outer peripheral wall 543 of the water tank 540 is composed of a front peripheral wall 545 to which the outer ring wall 541 is attached and a rear peripheral wall 546 arranged between the outer bottom wall 542 and the front peripheral wall 545.
  • the motor 520 includes a main body portion 521 that generates a driving force and a drive shaft 522 that transmits the driving force to the rotating drum 530.
  • the drive shaft 522 penetrates the outer bottom wall 542 and reaches the inner bottom wall 532. It is connected.
  • FIG. 8 shows the rotation axis RX of the rotation drum 530 defined by the motor 520.
  • the bubble generation unit 450 which will be described later, is arranged above the rotation axis RX.
  • FIG. 9 is a block circuit diagram of the drum type washing machine according to the second embodiment.
  • FIG. 10 is a partially perspective top view of the drum-type washing machine according to the second embodiment.
  • the solid line arrow indicates the flow of water
  • the dotted line arrow indicates the flow of air
  • the alternate long and short dash line arrow indicates the transmission path of the control signal.
  • the washing machine 100 includes a main body housing 200, a control unit 300, a water supply device 400, a washing device 500, and a drying device 600.
  • the main body housing 200 houses a control unit 300, a water supply device 400, a washing device 500, and a drying device 600 inside.
  • the control unit 300 controls the water supply device 400, the washing device 500, and the drying device 600, and includes a washing process for washing clothes, a rinsing process for rinsing clothes, and a dehydration process for dehydrating clothes.
  • the drying process for drying clothes is sequentially controlled.
  • the washing device 500 includes a storage tank 510 for accommodating clothes including a rotary drum 530 and a water tank 540, and a motor 520 for driving the storage tank 510.
  • the motor 520 rotationally drives the rotary drum 530 of the accommodation tank 510 under the control of the control unit 300.
  • the rotating drum 530 stirs clothes in a liquid containing detergent. As a result, the clothes are properly washed.
  • the rotating drum 530 agitates the clothes in water having a detergent concentration lower than that in the washing process. Further, in the rinsing process, water supply to the storage tank 510 and drainage from the storage tank 510 are repeated. As a result, the detergent is properly removed from the garment.
  • the rotating drum 530 dehydrates the clothes using centrifugal force. As a result, the drying of clothes is promoted.
  • the water supply device 400 supplies water to the storage tank 510 in the washing process and the rinsing process described above.
  • the water supply device 400 includes a detergent storage container 460 having a water supply port 410 connected to a faucet, a water supply valve 420, a detergent input unit 430 for storing detergent, and a liquid finish agent storage unit 440 for storing liquid finish. ,including.
  • the detergent storage container 460 has a longitudinal direction in the front-rear direction, and can be freely pulled out from the front side of the main body housing 200 in order to charge the detergent and the liquid finishing agent.
  • the water supply device 400 includes a first water supply path 421, a second water supply path 422, a third water supply path 423, and a foam generation unit 450.
  • the foam generation unit 450 will be described in detail in FIGS. 11 and 11 and later.
  • the water supplied to the water supply port 410 reaches the water supply valve 420.
  • the water supply valve 420 has a multi-valve configuration in which two or more water channels can be opened and closed. Therefore, the water supply valve 420 includes a first water supply path 421 in which water is supplied to the storage tank 510 through the detergent input section 430 and a second water supply path 422 in which water is supplied to the storage tank 510 through the liquid finish agent storage section 440. , The third water supply path 423, in which water directly directs to the foam generating unit 450, can be switched.
  • the water supply valve 420 opens the first water supply path 421 in the washing process, the water flows into the detergent charging section 430 in which the detergent is charged, and the water and the detergent are mixed. Then, the mixed solution of water and detergent flows into the rotary drum 530.
  • water supply valve 420 opens the second water supply path 422 in the rinsing process
  • the first water supply path 421 is used in the rinsing process, for example, when the detergent is not charged into the detergent charging unit 430. As a result, water is directly supplied to the storage tank 510 through the detergent charging section 430. Further, the second water supply path 422 may be used in the washing process, for example, when the liquid finishing agent is not charged into the liquid finishing agent accommodating portion 440.
  • the drying device 600 includes an air filter 610 that receives moist air sent from the storage tank 510 via an intake pipe 650, a heat exchange unit 620 that exchanges heat with the air that has passed through the air filter 610, and a heat exchange unit 620. It is provided with a blower fan 630 that sends warm air from which moisture has passed through the air through the air supply pipe 660 to the storage tank 510. The air filter 610 removes lint from the air sent out from the containment tank 510. Therefore, the purified air flows into the heat exchange unit 620.
  • FIG. 11 is a vertical cross-sectional view of the upper half of the drum-type washing machine according to the first embodiment.
  • FIG. 12 is a cross-sectional view seen from the front of a part of the foam generating portion of the drum type washing machine according to the first embodiment.
  • the bubble generation unit 450 is a device for generating bubbles.
  • the washing liquid which has become bubbles and has increased in volume in the foam generation unit 450 is sent to the storage tank 510 and spreads on the clothes.
  • the bubbles form a foam film and cover the clothes. Since the foam film contains a high concentration of surfactant, stains on clothes can be efficiently removed.
  • the foam generating unit 450 is attached to the front peripheral wall 545 of the water tank 540 at a position below the detergent storage container 460 and above the rotating shaft RX of the rotating drum 530, and the partition wall 456 is attached to the foam generating unit housing 451. Is formed into a substantially U-shape.
  • the foam generation unit 450 has a first water supply path 421 and a second water supply path 422 on the upper surface side of the foam generation unit housing 451 via a detergent charging unit 430 formed in the detergent storage container 460 and a liquid finishing agent storage unit 440.
  • the inflow port 453 communicating with the water inlet 453 is connected, and the spout 455 which is one end of the third water supply path 423 is further connected.
  • a foam generation chamber 452 is partitioned by a partition wall 456 at the lowermost portion of the foam generation unit housing 451, and an outflow port 454 is formed on the side opposite to the inflow port 453 side with the partition wall 456 interposed therebetween.
  • the bottom surface of the foam generation chamber 452 is formed so as to be inclined upward toward the outlet 454, and the outlet 454 is formed on an extension line of the bottom portion of the foam generation chamber 452.
  • the tip A of the partition wall 456 is located at a position lower than the outlet 454 (storage line).
  • the foam generation chamber 452 stores the detergent that has been charged into the detergent charging unit 430 and has flowed in together with the water.
  • water having a high flow velocity is ejected from the ejection port 455 through the third water supply path 423 and collides with the liquid surface of the stored detergent liquid, many detergent bubbles are generated. Then, the detergent foam flows into the storage tank 510 from the outflow port 454 together with the water having a high flow velocity.
  • the flow path area of the foam generation chamber 452 can be narrowed, the flow velocity from the ejection port 455 can be increased, and more detergent bubbles can be obtained. Can be generated.
  • the foam generation chamber 452 can prevent backflow of steam or odor in a sealed state.
  • the amount of water required to seal the flow path can be reduced.
  • the foam generation chamber 452 can be reliably sealed with a small amount of water.
  • a bypass outlet 427 is formed on the upstream side of the outlet 454 and on the downstream side above the detergent solution stored in the bottom surface of the foam generation chamber 452, and the bypass path 425 is connected. Has been done.
  • the other end of the bypass path 425 is swingably connected to the water tank 540 and absorbs the vibration transmitted from the storage tank 510.
  • the mixed solution of water and detergent stored through the inflow port 453 exceeds the storage line, the mixed solution overflows and flows from the bypass outlet 427 into the water tank 540 via the bypass path 425 and the telescopic hose 426. There is.
  • the detergent storage container 460, the inflow port 453, the foam generation unit 450, the bypass path 425, and the telescopic hose 426 serve as a detergent charging device that sends water containing detergent to the storage tank 510.
  • the liquid detergent gradually flows down from the inflow port 453 to the foam generation unit 450 and accumulates in the lowermost foam generation chamber 452.
  • the foam generation chamber 452 is designed to collect liquid detergent up to the storage line, and when a larger amount of liquid detergent is charged, the bypass outlet 427 passes through the bypass path 425 and the telescopic hose 426. It flows into the water tank 540.
  • the water supply valve 420 When the operation starts, the water supply valve 420 is driven, and water is supplied to the detergent inlet 430 via the first water supply path 421.
  • the water flows down into the foam generating unit 450 from the inflow port 453 of the foam generating unit 450 while washing away the liquid detergent remaining in the detergent charging unit 430 and the subsequent paths.
  • the water supply valve 420 is opened, and water having a high flow velocity is ejected from the spout 455 via the third water supply path 423.
  • the water ejected from the spout 455 vigorously collides with the water surface of the mixture of the detergent and water accumulated in the foam generation chamber 452, agitates the detergent liquid, takes in air, and generates detergent bubbles.
  • the generated detergent foam flows to the outlet 454 side provided in the foam generation unit 450, and is supplied from the outlet 454 to the clothes in the rotary drum 530 of the storage tank 510.
  • the detergent foam generated in the foam generating unit 450 is directly supplied into the rotating drum 530 from the outlet 454 above the foam generating unit 450.
  • the detergent foam quickly permeates the entire clothing, and the surfactant that concentrates on the foam adsorbs and floats the dirt, so that even stubborn dirt can be removed cleanly and the cleaning performance can be exhibited.
  • the water supply valve 420 opens the first water supply path 421, and the water tank 540 passes through the detergent input section 430 and the foam generation section 450 where the detergent has run out.
  • the motor 520 is driven and the rotary drum 530 is rotated to perform rinsing and stirring.
  • the water supply valve 420 opens the second water supply path 422, and the water is supplied to the liquid finish container 460, which is filled with the liquid finish in advance. It flows into 440 and is mixed with water and liquid finishing detergent. Then, the mixed liquid of water and the liquid finishing agent flows into the water tank 540.
  • the motor 520 is driven and the rotary drum 530 is rotated to perform rinsing and stirring while giving the effect of a liquid finishing agent to the clothes.
  • the washing water remaining in the foam generation unit 450 at the end of the rinsing process flows into the bypass path 425 or does not flow into the bypass path 425 depending on the magnitude of the vibration of the water tank 540 in the dehydration process, and the foam generation chamber 452. Will stay in. Therefore, during dehydration, the washing water does not flow into the water tank 540 from the outlet 454 and hit the dehydrated clothes.
  • the foam generation chamber 452 is sealed with the water remaining in the rinsing process to exert a trap effect, and the odor present in the storage tank 510 flows back. This prevents the foam from leaking from the detergent charging unit 430 after passing through the foam generating unit 450.
  • the drum-type washing machine is rotatably contained in the main body housing 200, the water tank 540 oscillatingly and vibration-proof supported in the main body housing 200, and the water tank 540. It includes a rotary drum 530 for accommodating laundry, a motor for rotationally driving the rotary drum 530, a detergent charging device for supplying detergent to the water tank 540 or the rotating drum 530, and a water supply device 400 for supplying water to the detergent charging device.
  • the detergent charging device is provided below the detergent charging unit 430 into which the detergent is charged and the detergent charging unit 430, and is above the foam generating chamber 452 and the foam generating chamber 452 in which the detergent flowing down from the detergent charging unit 430 is stored. Includes a spout 455, which is provided in the water supply device 400 to drop the water supplied from the water supply device 400 onto the liquid level of the foam generation chamber 452.
  • the detergent liquid stored in the foam generation chamber 452 and water can collide with each other to generate foam. Therefore, it is possible to realize a device that generates bubbles with a simple configuration without using a complicated device such as providing a path dedicated to bubble generation.
  • the water supply device 400 is connected to the detergent charging unit 430, and is connected to a first water supply path for flowing water down to the foam generation chamber 452 via the detergent charging unit 430 and a spout 455.
  • the third water supply path 423 and the like may be included.
  • the detergent charging device includes a foam generation unit 450 formed in a substantially U shape, and the foam generation chamber 452 may be formed as a lower portion of the foam generation unit 450.
  • the foam generating unit 450 can be formed in a small size, so that the space for the detergent charging device can be saved.
  • a bypass path 425 connecting the foam generation unit 450 and the water tank, and a connection portion between the foam generation unit 450 and the bypass path 425 It may include an outflow path which is provided downstream and above the above and communicates the foam generation unit 450 and the storage tank.
  • FIG. 13 is a cross-sectional view seen from the front of a part of the foam generating portion of the drum-type washing machine according to the second embodiment.
  • each part other than the shape added to the foam generation part is the same as the first embodiment shown in FIGS. 6 to 12, the same part is given the same number and the description is omitted. To do.
  • a guide wall 457 is provided so as to cover the bypass outlet 427, which is a connection port to the bypass path 425.
  • the guide wall 457 has a substantially semicircular shape, and has an opening 428 that opens in a substantially semicircular shape only on the downstream side of the outlet 454, and communicates with the bypass outlet 427.
  • the water supply valve 420 opens with the liquid detergent or a mixture of powder detergent and water stored in the foam generation chamber 452, and the outlet 455 of the foam generation unit 450 passes through the third water supply path 423.
  • water with a high flow velocity is ejected from the detergent, it vigorously collides with the surface of the mixed liquid of the accumulated detergent and water and stirs the detergent liquid, so that air is taken into the liquid in the form of bubbles. Occurs.
  • the generated detergent foam flows along the guide wall 457, flows to the outlet 454 side provided in the foam generation unit 450 without flowing from the bypass outlet 427 into the bypass path 425, and is housed from the outlet 454. It is supplied to the clothes in the rotary drum 530 of the tank 510.
  • the bubble generation unit 450 in the present embodiment is provided with a guide wall covering the upstream side at the bypass outlet 427, which is an opening portion communicating with the bypass path 425.
  • the generated detergent foam is guided by the guide wall 457 and flows to the outlet 454 side provided in the foam generation unit 450 without flowing out from the bypass outlet 427. Therefore, it is possible to prevent the detergent foam from flowing out from the bypass path 425 and efficiently generate the detergent foam.
  • the drum type washing machine has been described as an example of the washing machine.
  • the washing machine may be one that uses detergent. Therefore, the washing machine is not limited to the drum type washing machine, and may be a vertical type washing machine or a two-tank type washing machine.
  • the foam generating unit 450 has been described as an example of the foam generating unit. Since the foam generating portion may include a storage portion, the shape is not limited to the shape of the foam generating portion 450, and may be a shape extending upward from the foam generating chamber 452 as shown in FIG. Note that FIG. 14 is a cross-sectional view seen from the front of a part of the foam generating portion of the drum-type washing machine according to the other embodiment.
  • FIGS. 12 and 13 have been described as an example of a substantially U-shaped bubble generating portion.
  • the substantially U-shape is not limited to the shapes shown in FIGS. 12 and 13, and may be a V-shape, a U-shape, a folded shape, a shape including any of them, and the like.
  • the outlet 454 formed as a part of the foam generation unit housing 451 has been described as an example of the outflow route.
  • the outflow path may be any path that communicates the storage unit and the rotating drum, and is not limited to the one formed as a part of the foam generation unit housing 451.
  • the outflow path may be a separate component connected to the foam generator.
  • the outflow path does not have to be directly connected to the rotating drum.
  • the outflow route may be connected to a window packing that seals the front portion of the containment tank with water.
  • the window packing is often formed of an elastic material such as rubber, and absorbs the vibration of the storage tank. By connecting the outflow path to the window packing, it is possible to prevent vibration from being transmitted to the foam generating portion, so that a rigid member having no elasticity can be used for the foam generating portion.
  • This disclosure is applicable to drum-type washing machines that add detergent. Specifically, the present disclosure is applicable to drum-type washing machines.
  • the present disclosure is applicable to a washing machine that performs a washing operation using a detergent. Specifically, the present disclosure is applicable to vertical washing machines, drum-type washing machines, two-tank washing machines, and the like.
PCT/JP2020/026987 2019-07-29 2020-07-10 ドラム式洗濯機 WO2021020071A1 (ja)

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TWI795000B (zh) * 2021-09-29 2023-03-01 新加坡商兆晶生物科技股份有限公司（新加坡） 光學分析儀及其光學分析系統
JP2024007292A (ja) * 2022-07-05 2024-01-18 青島海爾洗衣机有限公司 洗濯機

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CN114174582A (zh) 2022-03-11

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