WO2022224678A1 - Lave-linge - Google Patents

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Publication number
WO2022224678A1
WO2022224678A1 PCT/JP2022/013496 JP2022013496W WO2022224678A1 WO 2022224678 A1 WO2022224678 A1 WO 2022224678A1 JP 2022013496 W JP2022013496 W JP 2022013496W WO 2022224678 A1 WO2022224678 A1 WO 2022224678A1
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WO
WIPO (PCT)
Prior art keywords
water
detergent
liquid
tank
path
Prior art date
Application number
PCT/JP2022/013496
Other languages
English (en)
Japanese (ja)
Inventor
丁英 徐
徹 小立
裕 曵野
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
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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
Publication of WO2022224678A1 publication Critical patent/WO2022224678A1/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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/34—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of water filling
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • This disclosure relates to washing machines.
  • Patent Document 1 discloses a washing machine equipped with an automatic liquid injection device.
  • the washing machine in Patent Document 1 includes a liquid agent tank that stores liquid agent, an automatic liquid agent injection device that automatically supplies the liquid agent in the liquid agent tank into the washing tub, a water supply valve that communicates with the automatic liquid agent injection device through a water channel, Prepare.
  • a washing machine drives an automatic liquid injection device to supply liquid into the washing tub, and then opens a water supply valve to supply water into the automatic liquid injection device.
  • the present disclosure provides a washing machine that efficiently mixes a liquid agent discharged from an automatic liquid agent injection device with water.
  • a washing machine includes a housing, a washing tub that is provided inside the housing and accommodates laundry, a water guide path, a liquid agent tank, and an automatic liquid agent injection device.
  • the water guide path supplies the water introduced from the water supply valve to the washing tub.
  • the liquid agent tank stores the liquid agent inside.
  • the liquid agent automatic injection device injects the liquid agent stored in the liquid agent tank into the washing tub.
  • the water supply route includes a first water channel for supplying water to the washing tub without passing through the automatic liquid injection device, a second water channel for supplying water to the washing tub through the automatic liquid injection device, and in the installed state, the first water channel. a retention section disposed below and downstream of the second water channel, in which the detergent liquid supplied from the second water channel stays. Then, the washing machine drives the liquid agent automatic injection device to feed the liquid agent, and after a lapse of a predetermined time, supplies water to the retention portion through the first water channel.
  • the washing machine according to the present disclosure efficiently mixes the liquid agent discharged from the automatic liquid agent injection device with water.
  • FIG. 1 is an external perspective view showing the configuration of the washing machine according to Embodiment 1, with the lid body closed.
  • FIG. 2 is an external perspective view showing the configuration of the washing machine according to Embodiment 1, with the lid body opened.
  • 3 is an external perspective view showing the configuration of the water supply unit and its surroundings of the washing machine according to Embodiment 1, with the detergent case, the detergent tank, and the softener tank drawn out.
  • FIG. 4 is a rear view showing the configuration of the water supply unit and its surroundings of the washing machine according to Embodiment 1.
  • FIG. 5 is an exploded perspective view showing the configuration of the water supply unit and its surroundings of the washing machine according to Embodiment 1.
  • FIG. 6 is a top view showing the configuration of the water supply unit and its surroundings of the washing machine according to Embodiment 1, excluding the channel cover.
  • 7 is a top view showing the flow of water in the water supply unit casing of the washing machine according to Embodiment 1.
  • FIG. 8 is a cross-sectional view FF of the water supply unit shown in FIG. 7.
  • FIG. 9 is a top view showing the configuration of the water supply unit and its surroundings of the washing machine according to Embodiment 1, with the detergent case, the detergent tank, and the softener tank pulled out, excluding the channel cover.
  • 10 is a BB cross-sectional view of the water supply unit shown in FIG.
  • FIG. 11 is an EE cross-sectional view of the water supply unit shown in FIG.
  • FIG. 12 is a CC cross-sectional view of the water supply unit shown in FIG. 7.
  • FIG. 13 is a cross-sectional view of the water supply unit shown in FIG. 7 along the line AA.
  • FIG. 14 is a DD sectional view of the water supply unit shown in FIG.
  • FIG. 15 is an enlarged view of the main part around the automatic detergent injection connector in a state where the detergent tank is housed in the detergent tank housing.
  • 16 is a top view showing the configuration of the lower portion of the flow path of the washing machine according to Embodiment 1.
  • FIG. 17 is a top view showing the flow of water in the lower portion of the channel of the washing machine according to Embodiment 1.
  • FIG. 18 is a timing chart in the washing operation of the washing machine according to Embodiment 1.
  • FIG. 18 is a timing chart in the washing operation of the washing machine according to Embodiment 1.
  • Embodiment 1 A washing machine 100 according to Embodiment 1 as an example of the washing machine according to the present disclosure will be described below with reference to FIGS. 1 to 18.
  • FIG. 1 A washing machine 100 according to Embodiment 1 as an example of the washing machine according to the present disclosure will be described below with reference to FIGS. 1 to 18.
  • FIG. 1 A washing machine 100 according to Embodiment 1 as an example of the washing machine according to the present disclosure will be described below with reference to FIGS. 1 to 18.
  • FIGS. 1 and 2 are external perspective views showing the configuration of washing machine 100 according to Embodiment 1.
  • FIG. 1 shows a state in which lid 700 is closed
  • FIG. 2 shows a state in which lid 700 is open. each shown.
  • the vertical direction in the state where washing machine 100 is installed as shown in FIGS. 1 and 2 (corresponding to the installation state in the present disclosure) may be described as the up-down direction.
  • the side on which operation unit 800 of washing machine 100 is present in FIGS. 1 and 2 may be referred to as the rear, and the opposite side may be referred to as the front.
  • the user generally stands on the front side of the washing machine 100, loads laundry such as clothes into the washing machine 100, and performs various operations for operating the washing machine 100.
  • FIG. Note that the laundry in the present disclosure is not limited to clothing, and refers to, for example, bedding, curtains, rugs, cloth such as shoes, leather products, and other items that can be washed in various known washing machines.
  • the washing machine 100 includes a housing 600, a lid body 700, and an operation section 800.
  • Housing 600 includes a lower housing 610 and an upper housing 620 .
  • a washing tub 500 is accommodated in the lower housing 610 .
  • the washing tub 500 is formed into a cylindrical body that opens upward, accommodates the laundry, and performs the washing operation of washing the laundry.
  • the washing tub 500 is rotatably enclosed by an outer tub (not shown) that stores water.
  • the washing action may be the action performed by the washing tub of various known washing machines. The principles of this embodiment are not limited to any particular cleaning action performed by washing tub 500 .
  • the upper housing 620 is arranged above the lower housing 610 , and the upper housing 620 is formed with a laundry inlet 621 communicating with the washing tub 500 .
  • the lid 700 is attached to the rear part of the upper housing 620 and covers the inlet 621 so as to be openable and closable. When the user rotates lid 700 upward, washing tub 500 is exposed through inlet 621 . The user can put the laundry into the washing tub 500 through the inlet 621 .
  • Washing machine 100 includes a control device (not shown) in housing 600, which controls, for example, water supply valve 310, detergent three-way valve 381, and softener three-way valve 382 in response to user's operation of operation unit 800. In addition, it controls the operation of the washing machine 100 as a whole.
  • the controller has a computer system with a processor and memory. The computer system functions as a control device by the processor executing the program stored in the memory. Although the program executed by the processor is recorded in advance in the memory of the computer system here, it may be recorded in a non-temporary recording medium such as a memory card and provided, or may be provided through a telecommunication line such as the Internet. may be provided through
  • a water supply port 200 is provided at the rear of the operation unit 800, and a water supply hose 210 is connected to the water supply port 200 so as to introduce tap water from a tap.
  • the detergent tank 450, the softener tank 460, and the detergent case 400 are arranged so that the front surface is flush with the water supply unit 300 (see FIG. 5). are placed.
  • FIG. 3 is an external perspective view showing the configuration of the water supply unit 300 and its surroundings, with the detergent case 400, the detergent tank 450 and the softener tank 460 pulled out.
  • the detergent tank 450 and the softener tank 460 are configured to be able to store an amount of detergent that allows multiple operations.
  • the detergent tank 450 stores a liquid detergent
  • the softener tank 460 stores a softener.
  • the detergent tank 450 and the softener tank 460 are formed with a detergent tank inlet 451 and a softener tank inlet 461 whose upper surfaces are open so that liquid can be injected.
  • Detergent tank 450 and softener tank 460 are respectively provided with a detergent tank remaining scale 450a and a softener tank remaining scale 460a made of a transparent material, so that the user can visually check the amount of detergent. can.
  • the detergent case 400 is used by the user to put in the necessary amount of detergent for one operation.
  • the detergent case 400 is provided with a manual powder detergent input section 410, a manual liquid detergent input section 420, and a manual softener input section 430 to input powder detergent, liquid detergent, and softener, respectively.
  • a portion of the lid body 700 is transparent. Accordingly, even when the lid body 700 is closed, the user can visually check the detergent tank remaining amount scale 450a and the softener tank remaining amount scale 460a, and the amount of the agent stored in the detergent tank 450 and the softening agent tank 460 can be checked. You can check the remaining amount.
  • FIG. 4 is a rear view showing the configuration of the water supply unit 300 and its surroundings.
  • FIG. 5 is an exploded perspective view showing the configuration of the water supply unit 300 and its surroundings.
  • the water supply unit 300 mainly includes a water supply unit housing portion 320 formed in a substantially box shape, a flow path lid portion 340 covering the upper surface of the water supply unit housing portion 320, and a water supply unit housing. and a channel lower portion 370 attached to the lower bottom portion of the body portion 320 .
  • a water supply valve 310 is attached to the left side of the water supply unit casing 320 as viewed from the rear side, allowing the water introduced from the water supply port 200 to pass therethrough in an openable and closable manner. Water introduced from the water supply valve 310 is introduced into the water supply unit casing 320 while the water supply valve 310 is open.
  • a bus pump 314 that sucks water from the outside of the washing machine 100 via a hose (not shown) is arranged in the center of the back surface of the water supply unit housing 320 .
  • the bus pump 314 is fixed to the water supply unit casing 320 with screws, and is directly connected to a first water guide path 321 (see FIG. 8), which will be described later, via a water inlet 333 for the bus pump.
  • the bus pump 314 can start suction and discharge operations by being supplied with water from the first water conduit 321 .
  • the water supply unit housing portion 320 is formed in a substantially box-like shape that opens forward.
  • the water supply unit housing portion 320 includes a detergent tank housing portion 360, a softener tank housing portion 365, and a detergent case housing portion 350 as internal spaces.
  • Detergent tank accommodating portion 360 accommodates detergent tank 450
  • softener tank accommodating portion 365 accommodates softener tank 460
  • detergent case accommodating portion 350 accommodates detergent case 400 so that they can be pulled out independently.
  • the detergent case channel portion 330 is arranged as the upper surface of the detergent case housing portion 350, and the detergent case channel portion 330 has a first water guide channel 321 and a second water guide channel 322 (see FIG. 8), which will be described later. formed.
  • the liquid agent automatic injection device 301 is attached to the right side of the water supply unit casing 320 when viewed from the back.
  • the liquid agent automatic injection device 301 will be described later.
  • the water supply valve 310 includes three on-off valves, a first water conduit 311, a second water conduit 312, and a third water conduit 313, and each of the on-off valves can be opened and closed independently. is configured to
  • FIG. 6 is a top view showing the configuration of the water supply unit 300 and its surroundings, excluding the channel cover 340.
  • FIG. FIG. 7 is a top view showing the flow of water in the water supply unit casing 320.
  • FIG. FIG. 8 is a cross-sectional view of the water supply unit 300 shown in FIG. 7 along line FF.
  • FIG. 9 is a top view showing the structure of the water supply unit 300 and its surroundings, with the detergent case 400, the detergent tank 450 and the softener tank 460 pulled out, excluding the channel cover 340.
  • FIG. FIG. 10 is a BB cross-sectional view of the water supply unit 300 shown in FIG. As shown in FIGS.
  • the water supply unit casing 320 is formed with a water guide path through which water introduced from the water supply valve 310 flows, and the water supply valve 310 and the water guide path are directly connected. .
  • the water conduit is branched so as to independently communicate with the first water conduit 311, the second water conduit 312, and the third water conduit 313, respectively.
  • the flow path communicating with the first water conduit 311 is the first water conduit 321
  • the flow path communicating with the second water conduit 312 is the second water conduit 322
  • the flow path communicating with the third water conduit 313 is the third water conduit 323.
  • the water conduit includes the first water conduit 321 and the second water conduit 322, the third water conduit 323 which is the second water conduit, and the foam generating section 376 (Fig. 17) which is the retention section. see) and, including.
  • the first water conduit 321 and the second water conduit 322 direct the water supplied from the first water conduit 311 and the second water conduit 312 to the detergent case channel portion 330. It is configured to guide and inject water into the detergent case 400 located below. That is, the first water channel 321 and the second water channel 322, which are the first water channels, supply water to the washing tub 500 without passing through the liquid agent automatic injection device 301 .
  • a manual powder detergent input unit 410 Inside the detergent case 400, a manual powder detergent input unit 410, a manual liquid detergent input unit 420, and a manual softener input unit 430 are provided. Powder detergent manual injection unit 410, liquid detergent manual injection unit 420, and softening agent manual injection unit 430 are configured so that the user can insert each agent.
  • the first water guide path 321 includes a powder detergent water inlet 331 formed above the manual powder detergent input portion 410 for vertical communication, and a manual liquid detergent input portion 420 . and a liquid detergent inlet 332 formed for top-to-bottom communication above.
  • the second water guide path 322 is provided with a softening agent water inlet 334 formed above the softening agent manual injection section 430 to allow the top and bottom to communicate with each other.
  • the manual powder detergent input unit 410, the manual liquid detergent input unit 420, and the manual softener input unit 430 are each provided with a discharge port (not shown) for discharging the liquid accumulated therein.
  • the liquid discharged from the discharge port falls to the flow channel lower portion 370 .
  • a foam-generating water inlet 335 is provided in the first water conduit 321 .
  • the foam-generating water inlet 335 is arranged behind the detergent case 400 housed in the detergent case housing portion 350 . As a result, the water that is poured downward from the foam-generating water inlet 335 falls into the flow channel lower portion 370 without passing through the detergent case accommodating portion 350 .
  • FIG. 11 is an EE cross-sectional view of the water supply unit 300 shown in FIG.
  • FIG. 12 is a CC cross-sectional view of the water supply unit 300 shown in FIG.
  • FIG. 13 is an AA cross-sectional view of the water supply unit 300 shown in FIG.
  • FIG. 14 is a DD cross-sectional view of the water supply unit 300 shown in FIG.
  • the third water conduit 323 is formed substantially horizontally along the back surface of the water supply unit casing 320 and opens on the back side at the cleaning conduit water conduit 324 .
  • the cleaning channel water inlet 324 is connected to an automatic injection device internal route 325 to be described later, and allows the third water conduction route 323 and the liquid agent automatic injection device 301 to communicate with each other. That is, the third water conduit 323 , which is the second water channel, supplies water to the washing tub 500 through the liquid agent automatic injection device 301 .
  • the liquid agent automatic injection device 301 is arranged on the back side of the detergent tank housing portion 360 and the softener tank housing portion 365 .
  • the liquid agent automatic injection device 301 is connected to a detergent tank 450 and a softener tank 460 housed in a detergent tank housing portion 360 and a softener tank housing portion 365, respectively, as will be described later.
  • FIG. 15 is an enlarged view of the main part around the automatic detergent injection connecting portion 360a when the detergent tank 450 is housed in the detergent tank housing portion 360.
  • a detergent tank insertion port 302 is provided on the back side of the detergent tank 450, and inside the detergent tank insertion port 302 is a detergent tank non-return mechanism that is opened by being pushed in.
  • a valve 302a is provided on the back side of the softener tank 460.
  • a softener tank insertion port 303 and a softener tank check valve that is opened by being pushed are provided on the back side of the softener tank 460.
  • an automatic detergent insertion insertion port 452 which will be described later, is inserted into the detergent tank insertion port 302, and the detergent tank check valve 302a is opened to release the liquid detergent. It is configured so that it can be supplied.
  • the softener tank 460 is attached to the softener tank housing portion 365, and the softener tank check valve 462 is inserted into the softener tank insertion port 303 to open the softener tank check valve. is opened so that the softener can be supplied.
  • An automatic detergent injection connection portion 360a and an automatic softener injection connection portion 365a are provided on the inner rear surfaces of the detergent tank housing portion 360 and the softener tank housing portion 365, respectively.
  • the automatic detergent injection connection portion 360 a and the automatic softener injection connection portion 365 a are configured to surround the automatic detergent injection insertion port 452 and the automatic softener injection insertion port 462 of the automatic liquid agent injection device 301 .
  • the detergent automatic injection slot 452 and the softener automatic injection slot 462 are formed to protrude forward.
  • Detergent tank 450 and softener tank 460 are housed in detergent tank housing portion 360 and softener tank housing portion 365, respectively, and automatic detergent injection insertion port 452 is connected to detergent tank 450 and automatic softener injection insertion port. 462 are connected to the softener tank 460 respectively.
  • a storage portion 363 is provided on the inner bottom surface of the detergent tank housing portion 360 .
  • the storage portion 363 is a recess capable of storing liquid, and is configured as a gap separating the bottom surface of the detergent tank 450 and the inner bottom surface of the detergent tank housing portion 360 .
  • a drop port 364 communicating with the flow channel lower portion 370 is formed at a position adjacent to the storage portion 363 on the inner bottom surface of the detergent tank housing portion 360 .
  • the drop port 364 is arranged at a position below the detergent tank insertion port 302 when the detergent tank 450 is housed in the detergent tank housing portion 360 .
  • the drop port 364 causes the liquid detergent that has leaked from the detergent tank insertion port 302 or the automatic detergent injection insertion port 452 to flow down to the washing path 319 .
  • the liquid agent automatic injection device 301 includes an automatic detergent injection insertion port 452 and an automatic softener injection insertion port 462, a three-way valve 380, a pump unit 390, and an automatic injection device path 325.
  • a three-way valve 380 switches between liquid detergent, softener and water.
  • the pump unit 390 sucks and discharges liquid.
  • the automatic injection device internal path 325 connects the three-way valve 380 and the pump unit 390 .
  • the three-way valve 380 includes a detergent three-way valve 381 and a softener three-way valve 382 that can be independently controlled to open and close.
  • the detergent three-way valve 381 is arranged so as to communicate with the washing path water conduit 324 , the automatic detergent injection insertion port 452 , and the softener three-way valve 382 .
  • the softener three-way valve 382 is arranged so as to communicate with the detergent three-way valve 381 , the softener automatic injection port 462 , and the automatic injection device internal path 325 .
  • the downstream side of the three-way valve 380 is connected to the pump unit 390 via the automatic loading device internal path 325 .
  • washing machine 100 can control the flow of detergent, softener, and water by opening and closing at least one of detergent three-way valve 381 and softener three-way valve 382 .
  • the pump unit 390 includes a pump internal channel 391 , a cylinder 397 and a piston 395 .
  • the in-pump channel 391 is provided between the pump unit inlet 392a and the pump unit outlet 392b.
  • the cylinder 397 is provided in the middle of the pump internal flow path 391 .
  • the piston 395 moves up and down by the rotational driving force of a motor (not shown).
  • An inlet check valve 393 is provided at the pump unit inlet 392a, and an outlet check valve 394 is provided at the pump unit outlet 392b.
  • the inlet check valve 393 is configured to open when the piston 395 operates under negative pressure
  • the outlet check valve 394 is configured to open when the piston 395 operates under positive pressure
  • the automatic injection device internal path 325 is connected to the flow path lower part 370 via the cleaning path outlet 326 downstream of the pump unit 390 .
  • FIG. 16 is a top view showing the configuration of the flow channel lower portion 370.
  • FIG. 17 is a top view showing the flow of water in the flow path lower portion 370.
  • the lower channel portion 370 includes a first lower channel channel 372 , a cleaning channel 319 , a second lower channel channel 373 , and a lower channel outlet 371 .
  • the first lower flow path 372 communicates with the wash path outlet 326 .
  • the cleaning path 319 is provided below the drop port 364 .
  • the second lower channel path 373 allows the liquid discharged from the detergent case 400 to pass therethrough.
  • the cleaning channel 319 is provided with a cleaning channel inlet 318 that introduces the liquid from the first channel lower channel 372 and a cleaning channel outlet 374 that causes the liquid to flow out to the first channel lower channel 372 .
  • the cleaning path entrance 318 is provided upstream of the drop point of the liquid dropping from the drop port 364
  • the cleaning path outlet 374 is provided downstream of the drop point of the liquid dropping from the drop port 364 . Since the cleaning channel inlet 318 is configured to have a channel cross-sectional area smaller than that of the first channel lower channel 372, the amount of water passing through the cleaning channel 319 is relatively small. As a result, washing machine 100 can prevent water passing through washing path 319 from overflowing upward from drop port 364 and entering detergent tank accommodating portion 360 .
  • the foam generation part 376 is provided downstream of the first flow path lower path 372 and arranged below the foam generation water inlet 335 . That is, the foam generation section 376 is provided at a position where the liquid passing through the first flow path lower path 372 and the water injected from the foam generation water injection port 335 collide. In other words, the foam generator 376 is arranged below the first water conduit 321 and the second water conduit 322 and downstream of the third water conduit 323, and the detergent liquid supplied from the third water conduit 323 stays.
  • the foam generator 376 includes a plurality of pins 377, a peripheral rib 376a, a foam generator inlet 376c, and a foam generator outlet 376b.
  • a plurality of pins 377 are formed to protrude upward.
  • a peripheral rib 376 a surrounds the bubble generator 376 .
  • the foam generator entrance 376c is the entrance to the area surrounded by the peripheral ribs 376a.
  • the foam generator outlet 376b is the outlet from the area surrounded by the peripheral ribs 376a.
  • the first lower channel path 372 communicates with the second lower channel path 373 at the confluence portion 375 .
  • the channel lower discharge port 371 is provided downstream of the confluence portion 375 and is formed to open downward so as to drop the liquid into the washing tub 500 .
  • FIG. 18 is a timing chart for washing machine operation of washing machine 100 .
  • the liquid agent automatic injection device 301 is driven and the liquid agent is automatically injected.
  • the detergent three-way valve 381 which is a part of the three-way valve 380, is opened while the third water conduit 313 is closed, and the detergent tank 450 and the pump unit 390 are communicated with each other.
  • the pump unit 390 rotates the motor and vertically moves the piston 395 to suck an appropriate amount of liquid detergent from the pump unit inlet 392a and discharge it from the pump unit outlet 392b.
  • the discharged detergent flows into the first channel lower channel 372 via the cleaning channel outlet 326 .
  • Suction and discharge of the liquid agent by the pump unit 390 are performed intermittently. While the piston 395 is de-actuated, the detergent dispensing action is performed. The actuation of the piston 395 and the action of dispensing detergent are alternately performed.
  • the detergent three-way valve 381 is closed, the path between the detergent tank 450 and the pump unit 390 is cut off, and the path from the third water conduit 313 to the liquid agent automatic injection device 301 is communicated. Subsequently, the third water conduit 313 is opened while the first water conduit 311 is closed. As a result, the water introduced from the water supply valve 310 is supplied only to the third water conduit 323 without being split into the first water conduit 321 and the third water conduit 323 . Therefore, the water supply valve 310 can supply a sufficient amount of water to the third water conduit 323 .
  • the water introduced from the third water conduit 313 passes through the third water conduit 323 and reaches the automatic injection device inner conduit 325 via the cleaning conduit water conduit 324, and flows into the pump. Pass road 391.
  • water is supplied to the three-way valve 380 and the pump unit 390 , and the detergent remaining inside the three-way valve 380 and the pump unit 390 is delivered to the flow path lower part 370 .
  • the detergent liquid that has flowed into the first channel lower channel 372 through the cleaning channel outlet 326 reaches the foam generator 376 downstream of the cleaning channel outlet 374 .
  • the detergent liquid that has reached the foam generating portion 376 is diffused by the pins 377 and stays in the area surrounded by the peripheral ribs 376a.
  • the first water conduit 311 is opened, and water supply to the first water conduit 321 is started.
  • the water introduced into the first water guiding path 321 passes through the powder detergent water inlet 331, the liquid detergent water inlet 332, the bath pump water inlet 333, and the foam generation water inlet 335.
  • powder detergent manual input unit 410 liquid detergent manual input unit 420 , bath pump 314 and foam generator 376 .
  • the water poured into the powder detergent manual input unit 410 and the liquid detergent manual input unit 420 flows down to the lower channel 370 through the outlet, dissolves the liquid detergent in the lower channel 370, and is added to the washing tub 500. be done.
  • the foam-generating water inlet 335 injects water toward the foam-generating part 376 .
  • the injected water collides with the detergent liquid remaining in the foam generator 376 to generate detergent foam.
  • Most of the generated detergent foam flows out of the foam generator 376 over the peripheral ribs 376a.
  • the detergent liquid and water exit the foam generator 376 via the foam generator outlet 376b.
  • Detergent foam, detergent liquid, and water pass through the first channel lower channel 372 and join the second channel lower channel 373 , and are introduced into the washing tub 500 from the channel lower outlet 371 .
  • washing machine 100 is configured to provide a waiting time t between the driving of piston 395 and the detergent feeding operation when automatic fluid injection device 301 is driven for a predetermined time or more.
  • a waiting time t between the driving of piston 395 and the detergent feeding operation when automatic fluid injection device 301 is driven for a predetermined time or more.
  • the detergent remaining in the first flow channel lower path 372 reaches the foam generation section 376 and stays therein, and is diluted with the water injected from the foam generation water inlet 335 . Therefore, even when the amount of the liquid agent injected by the automatic liquid agent injection device 301 is large, the liquid agent and water can be reliably mixed, and the undiluted liquid detergent can be prevented from adhering to the clothes accommodated in the washing tub 500. ⁇
  • route cleaning will be carried out.
  • the third water conduit 313 is opened while the first water conduit 311 is closed.
  • the water introduced from the water supply valve 310 is supplied only to the third water conduit 323 without being split into the first water conduit 321 and the third water conduit 323 .
  • the water that has passed through the path 325 in the automatic injection device flows down to the lower flow path 370 through the washing path outlet 326 and is introduced into the washing tub 500 from the lower flow path 370 .
  • the detergent remaining in the automatic liquid injection device 301 and in the lower part 370 of the channel is reliably washed away, and sent to the washing tub 500.
  • path cleaning can remove foreign matter with a strong stream of water even if foreign matter is present.
  • the softener three-way valve 382 that is part of the three-way valve 380 is opened, and the path between the softener tank 460 and the pump unit 390 is communicated.
  • the pump unit 390 rotates the motor and moves the piston 395 up and down to suck an appropriate amount of softener from the pump unit inlet 392a and discharge it from the pump unit outlet 392b.
  • the softening agent discharged from the pump unit outlet 392b reaches the flow channel lower portion 370 .
  • the second water conduit 312 is opened and water supply to the second water conduit 322 is started.
  • the water introduced into the second water guiding path 322 passes through the softening agent water inlet 334 and is injected into the manual softening agent introduction portion 430, and then from the outlet of the manual softening agent introduction portion 430. It flows down to the lower part 370 of the flow path, dissolves the softener accumulated in the lower part 370 of the flow path, and is thrown into the washing tub 500 .
  • the second water conduit 312 is opened and water supply to the second water conduit 322 is started.
  • the softener three-way valve 382 is closed, the path between the softener tank 460 and the pump unit 390 is blocked, and the path from the third water conduit 313 to the liquid agent automatic injection device 301 is communicated.
  • the third water conduit 313 is opened, and the path cleaning for washing out the softener in the three-way valve 380 and the pump unit 390 is performed.
  • This path cleaning prevents the remaining softening agent from mixing with the detergent to be introduced in the next washing operation, and suppresses deposition of foreign matter that occurs when the detergent and the softening agent are mixed.
  • path cleaning can remove foreign matter with a strong stream of water even if foreign matter is present.
  • washing machine 100 includes housing 600 , washing tub 500 , water guide path, detergent tank 450 , and liquid agent automatic injection device 301 .
  • Washing tub 500 is provided inside housing 600 and accommodates laundry.
  • the water guide path supplies water introduced from the water supply valve 310 to the washing tub 500 .
  • Detergent tank 450 stores detergent therein.
  • the liquid agent automatic injection device 301 injects the detergent stored in the detergent tank 450 into the washing tub 500 .
  • the water guide path includes a first water guide path 321 , a second water guide path 322 and a foam generator 376 .
  • the first water supply path 321 supplies water to the washing tub 500 without passing through the liquid agent automatic injection device 301 .
  • the second water supply path 322 supplies water to the washing tub 500 through the liquid agent automatic injection device 301 .
  • the foam generator 376 is arranged below the first water conduit 321 and downstream of the third water conduit 323 in the installed state, and the detergent liquid supplied from the third water conduit 323 stays there. Washing machine 100 also supplies water to foam generator 376 through first water conduit 321 after waiting time t has elapsed after automatic liquid injection device 301 is driven to inject detergent.
  • the washing machine 100 can efficiently mix the detergent discharged from the automatic liquid injection device 301 with water and supply the detergent liquid generated by the mixture to the washing tub 500 .
  • water is supplied to the foam generator 376 through the first water guide path 321 after the standby time t has elapsed. It may be configured to
  • the third water conduit 313 is opened while the first water conduit 311 is closed. Water supply may be started to the third water supply path 323 .
  • the flow rate of water flowing through the third water guiding path 323 and the first lower flow path 372 can be secured, and the liquid agent remaining in the third water guiding path 323 and the first lower flow path 372 can be sent out to the foam generating section 376.
  • a plurality of pins 377 that protrude upward may be provided in the bubble generator 376 as in the present embodiment.
  • Embodiment 1 has been described as an example of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to this.
  • washing machine 100 which is a vertical washing machine, has been described as an example of a washing machine.
  • the washing machine is not limited to a vertical washing machine, and may be, for example, a drum washing machine or a two-tub washing machine.
  • Embodiment 1 as an example of a configuration in which the water supply unit is driven to supply water to the first water channel and the liquid agent automatic injection device is driven to inject the liquid agent, water is supplied to the first water conduit 321 and the liquid agent is supplied.
  • the operation of driving the automatic injection device 301 to inject the liquid agent has been described.
  • the first water channel is not limited to the first water conduit 321, for example, the second water conduit 322, as long as it supplies water to the washing tub or the outer tub without passing through the liquid agent automatic injection device. good.
  • the operation of injecting the liquid detergent has been described as an example of the configuration in which the liquid agent automatic injection device is driven to inject the liquid agent.
  • the liquid agents are not limited to liquid detergents, and may be, for example, softeners.
  • the foam-generating water inlet 335 that injects water into the flow path lower part 370 without passing through the detergent case 400 has been described.
  • the foam-generating water inlet is not limited to the foam-generating water inlet 335 because it is sufficient to inject water toward the confluence channel.
  • the foam-generating water inlet may, for example, be configured to inject water into the lower portion of the flow path through the detergent case, or may be configured to serve as a powder detergent water inlet, a liquid detergent water inlet, or a softener water inlet. may
  • the present disclosure is applicable to washing machines equipped with an automatic liquid injection device. Specifically, the present disclosure is applicable to vertical washing machines, drum washing machines, twin-tub washing machines, and the like.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

Le lave-linge selon la présente divulgation comprend une carcasse, un réservoir de lavage qui est disposé à l'intérieur de la carcasse et qui reçoit le linge, un trajet d'acheminement de l'eau, un réservoir de solution et un dispositif automatique d'entrée de solution. Le trajet d'acheminement de l'eau fournit au réservoir de lavage de l'eau introduite à partir d'une vanne d'alimentation en eau. Le réservoir de liquide stocke un liquide à l'intérieur. Le dispositif automatique d'alimentation de liquide injecte dans le réservoir de lavage le liquide stocké dans le réservoir de liquide. Le d'acheminement de l'eau comprend un premier trajet d'eau pour fournir de l'eau au réservoir de lavage sans passer par le dispositif automatique d'entrée de solution, un second trajet d'eau pour fournir de l'eau au réservoir de lavage par l'intermédiaire du dispositif automatique d'entrée de solution, et une partie de retenue qui, dans l'état correspondant, est disposé sous le premier trajet d'eau et en aval du second trajet d'eau, et retient le détergent liquide fourni par le second trajet d'eau, et le lave-linge fournit de l'eau à la partie de retenue par l'intermédiaire du premier trajet d'eau lorsqu'un temps prescrit s'est écoulé après l'entraînement du dispositif automatique d'entrée de solution pour injecter la solution.
PCT/JP2022/013496 2021-04-21 2022-03-23 Lave-linge WO2022224678A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-071505 2021-04-21
JP2021071505A JP2022166354A (ja) 2021-04-21 2021-04-21 洗濯機

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WO2022224678A1 true WO2022224678A1 (fr) 2022-10-27

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JP (1) JP2022166354A (fr)
TW (1) TW202244354A (fr)
WO (1) WO2022224678A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012125324A (ja) * 2010-12-14 2012-07-05 Hitachi Appliances Inc 全自動洗濯機
JP2017000312A (ja) * 2015-06-08 2017-01-05 パナソニックＩｐマネジメント株式会社 洗濯機
JP2020065742A (ja) * 2018-10-25 2020-04-30 日立グローバルライフソリューションズ株式会社 洗濯機
JP2021007638A (ja) * 2019-07-01 2021-01-28 東芝ライフスタイル株式会社 洗濯機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012125324A (ja) * 2010-12-14 2012-07-05 Hitachi Appliances Inc 全自動洗濯機
JP2017000312A (ja) * 2015-06-08 2017-01-05 パナソニックＩｐマネジメント株式会社 洗濯機
JP2020065742A (ja) * 2018-10-25 2020-04-30 日立グローバルライフソリューションズ株式会社 洗濯機
JP2021007638A (ja) * 2019-07-01 2021-01-28 東芝ライフスタイル株式会社 洗濯機

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TW202244354A (zh) 2022-11-16

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