WO2018188633A1 - Machine à laver et procédé de commande - Google Patents

Machine à laver et procédé de commande Download PDF

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Publication number
WO2018188633A1
WO2018188633A1 PCT/CN2018/082846 CN2018082846W WO2018188633A1 WO 2018188633 A1 WO2018188633 A1 WO 2018188633A1 CN 2018082846 W CN2018082846 W CN 2018082846W WO 2018188633 A1 WO2018188633 A1 WO 2018188633A1
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WO
WIPO (PCT)
Prior art keywords
water
water collecting
drain
washing machine
main control
Prior art date
Application number
PCT/CN2018/082846
Other languages
English (en)
Chinese (zh)
Inventor
吕佩师
许升
吕艳芬
郝兴慧
吴迪
Original Assignee
青岛海尔洗衣机有限公司
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 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to US16/604,812 priority Critical patent/US20200157725A1/en
Priority to JP2019555589A priority patent/JP7074958B2/ja
Publication of WO2018188633A1 publication Critical patent/WO2018188633A1/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
    • D06F33/42—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of draining
    • 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
    • D06F23/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry 
    • D06F23/04—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry  and rotating or oscillating about a vertical axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/18—Washing liquid level
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/08—Draining of washing liquids
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/22—Condition of the washing liquid, e.g. turbidity

Definitions

  • the invention belongs to the field of washing machines, and in particular to a washing machine and a control method.
  • the washing machine is designed as a device for washing laundry by using electricity.
  • the washing machine includes: a tub for accommodating washing water; a rotating tub rotatably installed inside the tub; and a pulsator rotatably mounted in the rotating tub The bottom; the motor and clutch are configured to rotate the rotating barrel and the pulsator.
  • the rotating tub and the pulsator When the rotating tub and the pulsator are rotated in a state where the laundry and the detergent are introduced into the rotating tub, the pulsator agitates the washing water together with the laundry introduced into the rotating tub, thereby removing the stain from the laundry.
  • a larger rotating tub is required, that is, the height or diameter of the rotating tub needs to be increased. If the rotary tub has a larger size, the bucket accommodating the rotary tub and the cabinet accommodating the tub also need to increase as the rotary tub increases.
  • the increase of the casing corresponding to the appearance of the washing machine is limited by the space in which the washing machine is installed.
  • the position of the washing machine for the general user's home is limited, and the purpose of increasing the size of the washing machine to increase the capacity of the washing tub is not realistic, how to increase it.
  • increasing the capacity of the rotating drum has become a major problem for designers.
  • the water collecting structure is arranged in the lower part of the inner tub for collecting the water discharged from the inner tub. Due to the size of the washing machine, the space in the lower part of the inner tub is limited, resulting in a limited volume of the water collecting structure and poor drainage design. It often causes overflow, damages the electrical components in the lower part of the washing machine or causes the floor to slip. Therefore, under the premise of increasing the capacity of the inner barrel, how to design the drainage of the water collecting structure is a huge problem currently facing.
  • the present invention has been made in view of the above.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and to provide a washing machine and a control method thereof.
  • a water collecting structure By providing a water collecting structure, it is possible to block water overflow from the inner tub and reduce the water collecting structure to the inner tub. Limiting the volume to achieve a good expansion effect; detecting the water level in the water collecting structure by setting a detecting device, and transmitting the detection result to the main control device to realize time monitoring; by setting water for discharging the water in the water collecting structure
  • the drainage device electrically connects the drainage device with the main control device, and the main control device controls whether the drainage device discharges water in the water collecting structure according to the detection result of the detection device.
  • a washing machine comprising an inner tub, the inner tub being a tub, further comprising a water collecting structure for collecting water discharged from the inner tub and a drain control device communicating with the water collecting structure, the drain control device according to the water collecting The water level within the structure controls the drainage.
  • the drain control device includes a main control device, a detecting device for detecting a liquid water level in the water collecting structure, and a drain device for discharging water in the water collecting structure, the water collecting structure being entirely located in the inner tub In the lower part of the bottom, both the detecting device and the draining device are electrically connected to the main control device.
  • the water collecting structure includes a water collecting chamber having an upper opening, the upper end of the side wall of the water collecting chamber is lower than the bottom of the inner tub, and the inner tub is connected to the upper opening of the water collecting chamber, and the detecting device is disposed at Inside the water collection chamber.
  • the water collecting structure includes a mounting plate and a water retaining rib disposed on the mounting plate, the mounting plate is enclosed with the water retaining rib to form a water collecting chamber, and the detecting device is disposed on the upper wall of the mounting plate;
  • the detecting device is detachably connected to the mounting plate.
  • the drainage device includes a drain pipe connected to the water collecting structure, and the drain pipe is provided with a control structure for controlling the conduction/cutoff of the drain pipe, the control structure is in communication with the drain pipe, and the control structure is electrically connected to the main control device
  • the main control device controls the control structure to be turned on/off according to the water level in the water collecting structure detected by the detecting device.
  • the control structure is a solenoid valve, and the electromagnetic valve is electrically connected to the main control device, and the main control device controls the opening/closing of the electromagnetic valve according to the water level in the water collecting structure detected by the detecting device, thereby implementing the drain pipe Turn on/off.
  • the control structure is a drain pump connected to the drain pipe, and the drain pump is electrically connected to the main control device, and the main control device controls the opening/closing of the drain pump according to the water level in the water collecting structure detected by the detecting device, thereby implementing whether The water in the water collecting structure is discharged.
  • the detecting device is a water level sensor or a pressure sensor disposed in the water collecting structure.
  • the main control device presets the water level height H1;
  • the detecting device detects the water level height H2 in the water collecting structure, and transmits the detection signal to the main control device;
  • the main control device determines whether H2 is greater than H1. If so, the main control device controls the drain device to open to drain the water in the water collecting structure; if not, the main control device controls the drain device to be in the closed state.
  • the drainage control device includes a drain pipe, and the drain pipe is in communication with the water collecting device, and a float ball regulating valve is disposed in the water collecting structure or in the drain pipe, when the water level in the water collecting structure reaches a certain height, The float regulating valve is opened, and the water in the water collecting structure is discharged to the washing machine through the drain pipe.
  • the present invention has the following beneficial effects compared with the prior art: (1) By providing the water collecting structure, it is possible to achieve the overflow of water discharged from the inner tub, and the reduction of the water collecting structure to the inner tub. The volume is limited to achieve a good expansion effect; (2) the water level in the water collecting structure is detected by setting the detecting device, and the detection result is transmitted to the main control device to realize time monitoring; (3) by setting the water collecting structure The drainage device in which the water is discharged, and the drainage device is electrically connected to the main control device, and the main control device controls whether the drainage device discharges the water in the water collecting structure according to the detection result of the detection device.
  • Figure 1 is a schematic view showing the structure of a washing machine of the present invention
  • Figure 2 is a cross-sectional view showing the structure of the washing machine of the present invention taken along line A-A of Figure 1;
  • Figure 3 is a cross-sectional view showing the structure of the washing machine A-A in another structure of the present invention.
  • Figure 4 is a schematic view showing the control method of the washing machine of the present invention.
  • a washing machine which does not have an outer tub, includes an inner tub 200, which is a tub, and further includes a water collecting structure for collecting water discharged from the inner tub 200 and the set A drainage control device in which the water structure is connected, the drainage control device controls drainage according to a water level in the water collecting structure.
  • the water collecting structure By providing the water collecting structure, on the one hand, when the water is discharged from the inner tub 200, the water is blocked by the water collecting structure to prevent the water from overflowing. On the other hand, since the water collecting structure is entirely located below the inner tub 200, the water collecting structure is not located. The partial structure between the side wall of the inner tub 200 and the cabinet 100 does not have a limiting effect on the expansion of the inner tub 200, and provides ample space for the expansion of the inner tub 200.
  • the drainage control device By providing the drainage control device, when the amount of water in the water collecting structure is excessive, the water is discharged through the drainage control device, effectively preventing the water level in the water collecting structure from being excessively high and overflowing.
  • the drain control device includes a main control device 800, a detecting device 801 for detecting a liquid water level in the water collecting structure, and a drain device for discharging water in the water collecting structure, the water collecting structure being entirely located at the The lower portion of the bottom of the inner tub 200, the detecting device 801 and the drain device are electrically connected to the main control device 800, the detecting device 801 detects the water level in the water collecting mechanism and transmits the detection result to the main control device 800, and the main control device 800 is The water level detected by the detecting device controls the drainage of the drainage device.
  • the washing machine generally further includes a box body 100 and a driving device for driving the inner tub 200 to rotate.
  • the inner tub 200 is disposed in the box body 100.
  • the main control device 800 is generally disposed in the box body 100 and fixedly connected to the box body 100.
  • the water collecting structure includes a water collecting chamber 400 having an upper opening, an upper end of the side wall of the water collecting chamber 400 is lower than a bottom of the inner tub 200, and an upper opening of the inner tub 200 and the water collecting chamber 400
  • the detecting device 801 is disposed in the water collecting chamber 400.
  • the water discharged from the inner tub 200 is blocked by providing the water collecting chamber 400. Since the upper end of the side wall of the water collecting chamber 400 is lower than the bottom of the inner tub 200, the water collecting chamber 400 is entirely located below the bottom of the inner tub 200.
  • the side wall of the water collecting chamber 400 does not have a structure between the inner tub 200 and the tank 100, and a certain safety distance is not required between the inner tub 200 and the water collecting structure to prevent the inner tub 200 from colliding with the water collecting structure to cause damage.
  • it is not necessary to set a safety distance between the water collecting structure and the box 100 Therefore, only the safety distance between the inner barrel 200 and the box 100 can be designed, and the inner barrel 200 barrel diameter can be greatly increased, and the inner barrel 200 can be better realized. Expansion.
  • the lower portion of the inner tub 200 is provided with a second drain port 204, which can drain the water in the inner tub 200 into the water collecting structure, and the washing machine includes a plugging device 205 for blocking the second drain port 204, when in the water inlet and the laundry state, The occluding device 205 blocks the second drain port 204, so that the inner tub 200 is filled with water for washing. When the drain is dehydrated, the occluding device 205 is opened to discharge the water into the water collecting chamber 400 of the water collecting structure.
  • the water level control element such as the flow meter fails, water flows through the top of the balance ring along the wall of the inner barrel 200 to the bottom collection chamber 400, and the water will not only overflow from the collection chamber 400 due to the water inlet.
  • the washing water in the inner tub 200 enters the water collecting chamber 400 from the inner tub 200, and if there is too much liquid, it will overflow from the water collecting chamber 400; or, in the washing process, the inner tub 200 and the water collecting chamber 400
  • the clogging device 205 is damaged, and the washing water enters the water collecting chamber 400 from the inner tub 200, so that the water does not stop the water from overflowing from the water collecting chamber 400.
  • the above three conditions may cause the water to overflow to the ground to cause the ground to slip. Or electrical devices that overflow to the bottom of the washing machine cause damage to the electrical components.
  • the detecting device 801 By setting the detecting device 801, the water level in the water collecting structure is detected, and the detection result is transmitted to the main control device 800, and the water level in the water collecting structure is monitored at any time, and the main control device 800 controls the interlocking structure linkage or displays the detection result. Or output, or an alarm.
  • the detecting device 801 is disposed in the water collecting chamber 400, and the water level in the water collecting chamber 400 is constantly monitored.
  • the water collecting structure includes a mounting plate 500 and a water retaining rib 501 disposed on the mounting plate 500.
  • the mounting plate 500 is enclosed with the water retaining rib 501 to form a water collecting chamber 400.
  • the detecting device 801 is disposed at The upper wall of the mounting plate 500 is located in the water collecting chamber 400.
  • the detecting device 801 is disposed on the upper wall of the mounting plate 500 to facilitate the detecting device 801 to detect the water level in the water collecting structure.
  • the water retaining rib 501 and the mounting plate 500 may be integrally formed, and other fixing methods such as bonding or the like may be employed.
  • the detecting device 801 is detachably connected to the mounting board 500.
  • the detecting device 801 and the mounting board 500 may be connected by a snap connection, a screw connection or other detachable connection, which facilitates replacement and maintenance of the detecting device 801.
  • the main control device 800 controls the opening or opening of the drainage device based on the water level in the water collecting structure detected by the detecting device 801.
  • the drainage device is opened or the opening degree of the drainage device is increased to achieve rapid drainage.
  • the drainage device is closed or the drainage device is opened. Degree, stop draining or reduce displacement.
  • the drainage device may be provided separately, for the device for draining in case of failure, or for structural modification on the drain pipe of the original washing machine.
  • the occlusion device 205 blocks the second drain port 204, the water collecting structure is substantially free of water, and the main control device controls the drain device to be closed by electrically connecting the drain device to the main control device 800. . If the water level control element such as the flow meter fails or the occlusion device 205 fails, causing the water to overflow, and the detecting device 801 detects that the water level in the water collecting structure is too high, the opening of the drainage device is controlled to discharge the water in the water collecting structure.
  • the plugging device 205 opens the second drain port 204 to discharge the water into the water collecting structure, and the main control device 800 controls the drain device to open to discharge the water in the water collecting chamber 400.
  • the detecting device detects that the liquid level in the water collecting chamber 400 of the water collecting structure is too high, the detection information is transmitted to the main control device 800, and the main control device 800 controls the opening of the drainage device to realize drainage.
  • the detecting device 801 detects that the liquid level is too high, and transmits the detection information to the main control device 800, and the main control device 800 controls the drain device to open.
  • the drainage device includes a drain pipe 401 communicating with the water collecting structure, and the drain pipe 401 is provided with a control structure 802 for controlling the opening/closing of the drain pipe 401, and the control structure 802 is in communication with the drain pipe 401.
  • the control structure 802 When the control structure 802 is opened, the drain pipe 401 is turned on to discharge the washing water.
  • the control structure 802 is closed, the drain pipe 401 is cut off, the washing water cannot be discharged, and the control structure 802 is electrically connected to the main control device 800, and the main control is performed.
  • the device 800 controls the control structure 802 to turn on/off based on the water level within the water collection structure detected by the detection device 801.
  • the control structure 802 is electrically connected to the main control device 800 by providing a control structure 802 on the drain pipe 401.
  • the main control device 800 controls the control structure 802 to be turned on/off according to the water level in the water collecting structure detected by the detecting device 801. Whether to drain the water in the water collecting structure.
  • the drain 401 is in communication with the bottom wall of the water collection chamber 400 to facilitate drainage.
  • the control structure 802 can be of various types, with solenoid valves and drain pumps as an example:
  • the control structure 802 is a solenoid valve, and the solenoid valve is electrically connected to the main control device 800.
  • the main control device 800 controls the opening of the solenoid valve according to the water level in the water collecting structure detected by the detecting device 801. / off, thereby achieving conduction/cutoff of the drain pipe 401.
  • the water collecting chamber 400 is substantially free of water, and the solenoid valve is in a closed state.
  • the main control device 800 controls the solenoid valve to open, and the drain pipe 401 is turned on to discharge the water in the water collecting chamber 400.
  • the solenoid valve is preferably a normally closed solenoid valve. In the normal state, the solenoid valve is closed.
  • the height of the drain pipe 401 in the vertical direction is lower than the upper end of the water collecting chamber 400.
  • the height of the drain pipe 401 in the vertical direction is lower than the communication port of the water collecting chamber 400 and the drain pipe 401, if The mouth is disposed on the bottom wall of the water collecting chamber 400, and the drain pipe 400 is preferably lower than the bottom wall of the water collecting chamber 400.
  • the structure of the scheme is very suitable for washing machines that use drainage to drain.
  • the control structure 802 is a drain pump that communicates with the drain pipe 401.
  • the drain pump is electrically connected to the main control device 800.
  • the main control device 800 controls the drain pump according to the water level in the water collecting structure detected by the detecting device 801. Turning on/off, thereby achieving whether or not the water in the water collecting structure is discharged.
  • the main control device 800 controls the drain pump to open, sucks out the water in the water collecting structure to realize drainage, and when the water level falls back to the safe height, the main control device 800 controls the drain pump to be closed. The water is no longer discharged.
  • This structure is very suitable for a washing machine that drains by means of drainage.
  • the detecting device 801 is a water level sensor or a pressure sensor disposed in the water collecting structure.
  • the water level in the water collecting structure is detected by the water level sensor or the pressure sensor, and the sensitivity is high.
  • the water level sensor or pressure sensor is disposed on the bottom wall of the water collection chamber.
  • the water outlet of the drain pipe 401 extends to the outside of the washing machine.
  • the inner tub 200 includes a first drain port 201 for draining when dry and a first drain line 202 communicating with the first drain port 201, and the water outlet 203 and the water collecting structure of the first drain line 202 Connected.
  • a first drain port 201 for draining when dry
  • a first drain line 202 communicating with the first drain port 201, and the water outlet 203 and the water collecting structure of the first drain line 202 Connected.
  • the water reaches the first drain port 201 through the first drain pipe 202 to enter the water collecting structure, and then the water is drained out of the washing machine through the drain pipe 401.
  • a sidewall of the water collecting chamber 400 is spaced apart from an outer wall of the bottom of the inner tub 200 by a certain distance.
  • the washing tub 206 is prevented from vibrating and collecting water.
  • the side walls of the cavity 400 collide to increase the service life of the water collection chamber 400.
  • the drainage control device may not be the above-mentioned electric control mode, or may be a mechanical control mode, and the drainage control device includes a drain pipe, and the drain pipe is connected with the water collecting device, and the connection between the drain pipe and the water collecting structure or
  • the float pipe is provided with a float ball regulating valve. When the water level in the water collecting structure reaches a certain height, the float ball regulating valve is opened, and the water in the water collecting structure is discharged to the washing machine through the drain pipe.
  • the floating pipe is provided with a floating ball
  • the upper part of the floating ball is provided with a floating ball seat
  • the lower part is provided with a spring
  • one end of the spring is fixedly connected with the floating ball
  • the other end is fixedly connected with the inner wall of the drainage pipe
  • the spring is a compression spring
  • the pressure is Under the elastic force of the spring, the upper end of the floating ball is sealed against the floating ball seat.
  • the embodiment is further defined in the first embodiment.
  • the water collecting structure includes a mounting plate 500 and a water retaining rib 501 disposed on the mounting plate 500.
  • the plate 500 is enclosed with the water retaining ribs 501 to form a water collecting chamber 400.
  • the water collecting chamber 400 is located in the middle of the mounting plate 500, so that the center of gravity of the water retaining device is more easily coincident with the center, reducing the offset.
  • the water retaining rib 501 is annular, and the water retaining rib 501 is enclosed with the mounting plate 500 to form an annular water collecting chamber 400.
  • the water retaining rib 501 is disposed obliquely, and by setting the water retaining rib 501 to an inclined shape, the water retaining amount can be maximized and the use is more convenient;
  • the water retaining rib 501 gradually contracts from the top to the bottom in the direction of the central axis of the water collecting chamber 400, so that the upper opening has a larger diameter and is more convenient for collection.
  • the bottom outer wall of the inner tub 200 is a curved surface, and the water retaining rib 501 is spaced apart from the curved surface of the inner tub 200 by a certain distance.
  • the projection of the inner tub 200 in the horizontal direction covers the projection of the water collecting chamber 400 in the horizontal direction.
  • the interval between the water collecting chamber 400 and the tank 100 is increased, and the collision of the water collecting chamber 400 against the tank 100 is prevented, and the set is reduced.
  • the water chamber 400 is damaged; at the same time, the water collecting chamber 400 is small, and the installation of other devices at the bottom of the box 100 is more convenient.
  • the projection of the inner tub 200 in the horizontal direction may also be smaller than the projection of the water collecting chamber 400 in the horizontal direction, and more water can be collected.
  • the mounting plate 500 is provided with a drain pipe 401.
  • One end of the drain pipe 401 is in communication with the water collecting chamber 400, and the other end is connected to the outside of the washing machine or communicates with the total drain pipe of the washing machine to discharge the water.
  • a first drain line 202 communicating with the first drain port 201 and the first drain port 201 is disposed on the barrel wall of the inner tub 200, and the water outlet 203 of the first drain line 202 is disposed on the water collecting chamber 400. Above the opening.
  • the first drain port 201 and the first drain line 202 are each a plurality, each of the first drain ports 201 respectively corresponding to the corresponding first drain line 202, or the plurality of first drain ports 201 may correspond to a first drain line
  • the water that has been pumped out due to the centrifugal action of the washing tub 206 enters the first drain pipe 202 through the first drain port 201, and passes through the water outlet of the first drain pipe 202.
  • 203 is discharged into the water collection chamber 400 to block the overflow of the water.
  • the water outlet 203 of the first drain line 202 is disposed above the upper opening of the water collection chamber 400.
  • the water enters the first drain line 202 through the first drain port 201 and is discharged into the water collecting chamber 400 through the water outlet 203 to prevent the water from overflowing; the water outlet 203 is set in the block.
  • Above the upper opening of the water collecting chamber 400 of the water gluten 501 the water discharged from the water outlet 203 directly falls into the water collecting chamber 400, and the structure is simpler, and it is not necessary to add other additional components, and the water collecting effect is better.
  • the inner tub 200 further includes a second drain port 204 for discharging water in the inner tub 200 into the water collecting chamber 400 when dewatering and/or drying, between the second drain port 204 and the water collecting chamber 400.
  • a occlusion device 205 is provided, which opens the second drain 204 when dewatering and/or drying, and a large amount of water in the inner tub 200 is discharged through the second drain 204, which will be The second drain port 204 is blocked, and water is retained in the inner tub 200 for washing.
  • the second drain port 204 is disposed above the upper opening of the water collecting chamber 400, and the blocking device 205 is disposed at a lower portion of the second drain port 204.
  • the plugging device 205 By providing the second drain port 204, when dewatering and/or drying, the plugging device 205 opens the second drain port 204 to discharge the water in the inner tub 200 directly into the water collecting structure, and the water retaining rib 501 blocks the water from overflowing. And discharging the water through the drain pipe 401 to the washing machine; when washing, the plugging device 205 blocks the second drain port 204, so that the water in the inner tub 200 remains in the inner tub 200 for washing.
  • the washing machine is a pulsator washing machine.
  • the occlusion device 205 includes a valve plug 205-1 and an electromagnetic device 205-2 disposed under the valve plug 205-1.
  • the electromagnetic device 205-2 is electrically connected to a control device of the washing machine.
  • the valve plug 205 -1 blocking the second drain port 204 to prevent water from draining in the inner tub 200.
  • the electromagnetic device 205-2 controls the valve plug 205-1 to move downward to make the second drain port 204 Open and drain water into the catchment structure.
  • the mounting plate 500 is provided with a positioning device.
  • the bottom wall of the inner tub 200 is provided with a matching portion matching the positioning device.
  • the engaging portion can be a positioning groove.
  • the positioning device When the positioning device is dehydrated and/or dried, the positioning device is separated from the engaging portion.
  • the inner tub 200 rotates with the output shaft 303.
  • the positioning device cooperates with the mating portion to clamp the inner tub 200 on the mounting plate 500, and the valve plug 205-1 is opposite to the second drain port 204, and the second The drain port 204 blocks the water in the inner tub 200 from being discharged, and the output shaft drives the pulsator in the washing machine to rotate.
  • the mounting plate 500 is disposed between the inner tub 200 and the driving device 300, and the lower portion of the mounting plate 500 is fixedly connected to the outer casing of the driving device 300.
  • the water in the inner tub 200 can be automatically lowered into the water collecting structure by the self-weight, and the mounting plate 500 is disposed at the upper portion of the driving device 300, and the water is disposed. Isolated from the drive unit 300 to prevent damage to the drive unit 300 caused by water.
  • the driving device 300 includes a motor 301.
  • the motor 301 is provided with a deceleration clutch device 302.
  • the lower portion of the mounting plate 500 is fixedly connected to the deceleration clutch or to the outer casing of the motor 301.
  • the mounting plate 500 and the driving device 300 may be connected in a manner that the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.
  • the output shaft 303 of the reduction clutch is connected to the inner tub 200 through the mounting plate 500 to drive the rotation of the inner tub 200, and the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.
  • a suspension type expansion washing machine includes a case 100, a washing tub 206 disposed in the case 100, and a driving device 300.
  • the output shaft 303 of the driving device 300 is connected to the washing tub 206.
  • For driving the washing tub 206 to rotate further comprising a suspension damper 600 and a mounting member 700 disposed at a lower portion of the washing tub 206, the driving device 300 being mounted on the mounting member 700, the suspension damper 600 One end is connected to the case 100, and the other end is connected to the mounting member 700.
  • the suspension damper 600 is mounted on the mounting member 700 by providing the mounting member 700 under the washing tub 206. Since the mounting member 700 is positioned lower than the washing tub 206, the longitudinal height of the mounting portion 701 is lowered to allow installation. The inclination angle ⁇ between the rear suspension damper 600 and the side wall of the casing is reduced, thereby reducing the occupied space of the suspension damper 600, when the structure is suspended from the washing tub 206 and the cabinet 100. In the meantime, it is possible to increase the diameter of the washing tub 206 without increasing the volume of the casing 100, thereby achieving the purpose of expanding the capacity.
  • the laundry tub 206 may be a laundry tub 206 having only an inner tub 200 for holding water and performing laundry, and the tub 206 may also be a tub 206 having an inner tub 200 and an outer tub.
  • the mounting member 700 includes a mounting portion 701 for mounting with the suspension damper 600, the mounting portion 701 being no higher than the bottom of the tub 206.
  • the mounting portion 701 is not higher than the bottom of the tub 206, so that it does not occupy the space between the tub 206 and the cabinet 100, and the diameter of the tub 206 can be increased to achieve capacity expansion.
  • the mounting portion 701 is located below the bottom of the tub of the washing tub 206.
  • the suspension damper 600 is assembled with the mounting portion 701
  • the mounting portion 701 is suspended from the bottom of the tub 206.
  • the angle of the inclination angle formed between the suspension damper 600 and the casing 100 is reduced, that is, the suspension damper 600 is more closely fitted to the inner wall of the casing 100, and a more abundant space is reserved for the washing tub 206. Therefore, the purpose of expansion can be achieved by increasing the diameter of the washing tub 206.
  • the projection of the mounting portion 701 in the horizontal direction is located at the periphery of the projection of the washing tub 206 in the horizontal direction.
  • the mounting portion 701 Since the mounting portion 701 is disposed below the bottom of the tub 206 and does not occupy the space between the tub 206 and the cabinet 100, the mounting portion 701 does not collide with the tub 206. Under this premise, the mounting portion 701 is The horizontal direction extends beyond the barrel wall of the washing tub 206, so that the projection of the mounting portion 701 in the horizontal direction is located at the periphery of the projection of the washing tub 206 in the horizontal direction, thereby further reducing the installation space of the suspension damper 600, and further The installation space of the washing tub 206 is increased, and the expansion of the washing tub 206 is realized.
  • the output shaft 303 is connected to the washing tub 206 through the mounting member 700 for driving the washing tub 206 to rotate.
  • the mounting member 700 is coupled to the output shaft 303 through a bearing.
  • the mounting member 700 can also be fixedly connected to the outer casing of the driving device 300 to make the mounting member 700, the driving device 300 and the washing tub 206 a relatively independent whole body; the mounting member 700 can also be fixedly connected with the outer casing of the driving device 300.
  • the output shaft 303 is coupled to the output shaft 303 to form the mounting member 700, the drive unit 300, and the washing tub 206 as a relatively independent unit.
  • the mounting member 700 is connected to the output shaft 303 through a bearing and/or to the outer casing of the driving device 300, so that the mounting member 700, the driving device 300 and the washing tub 206 become a relatively independent whole body, and the mounting member is reduced by the shock absorbing member.
  • the vibration of the 700 further reduces the vibration of the washing tub 206 and the driving device 300, thereby achieving a good shock absorbing effect.
  • the mounting member 700 is a central symmetrical structure, and the plurality of suspension dampers 600 are evenly distributed around the mounting member 700.
  • the mounting plate 500 By setting the mounting plate 500 to a central symmetrical structure, the overall center of gravity deviation of the mounting plate 500, the washing tub 206, and the motor 301 is reduced, and a better shock absorbing effect is achieved; the mounting plate 500 is set to a circular shape, and the driving is facilitated on the one hand.
  • Device 300 makes the structure smoother
  • the present embodiment further defines the third embodiment.
  • the mounting member 700 is a flat circular mounting plate 500.
  • the diameter of the mounting plate 500 is larger than the diameter of the washing tub 206.
  • the mounting plate 500 is disposed under the washing tub 206, and the lower end of the hanging damper 600 is assembled with the edge of the mounting plate 500, so that the connecting portion of the hanging damper 600 and the mounting plate 500 is located in the washing tub 206.
  • the lower portion is located outside the circumferential direction of the tub 206, that is, the mounting portion 701 is located obliquely below the bottom of the tub 206 to reduce the hanging space of the suspension damper 600, thereby increasing the volume of the cabinet 100 without increasing the volume of the cabinet 100.
  • the space reserved for the laundry tub 206 is increased.
  • the drive device 300 is mounted on a lower portion of the mounting plate 500 through which the output shaft 303 of the drive device 300 passes and is coupled to the mounting plate 500 by bearings.
  • suspension dampers 600 which are evenly distributed around the circular mounting plate 500.
  • the shock absorbing member includes a boom 602 and a shock absorbing unit 601 for generating a damping force, one end of the boom 602 is fixed to an upper portion of the casing 100, and the other end passes through the mounting portion 701 and shock absorption. Unit 601 is connected.
  • the damper unit 601 is located at a lower portion of the mounting plate 500, so that the damper unit 601 does not occupy the space between the case 100 and the washing tub 206 in the horizontal direction, thereby further reducing the hindrance of the damper unit 601 to the expansion of the washing tub 206.
  • the mounting portion of the shock absorbing member and the housing 100 and the mounting plate 500 may also be: the upper portion of the housing 100 is provided with a mounting seat, one end of the hanging rod 602 is connected with the mounting member 700, and the other end is passed through the mounting seat.
  • the earthquake unit 601 is connected.
  • the mounting member 700 may also be a cross-shaped mounting plate 500.
  • the suspension damper members 600 are respectively connected to the edges of the branches of the cross-shaped mounting plate 500, and the mounting portion 701 of the suspension damper member 600 and the cross-shaped mounting plate 500 is connected.
  • the bottom of the tub 206 is lower than the bottom of the tub 206 so that it does not occupy space between the tub 206 and the cabinet 100 while being lowered by the mounting portion 701, thereby reducing the installation space of the suspension damper 600 and realizing the expansion of the tub 206. .
  • the mounting plate 500 may be a flat plate or a structure having a low intermediate edge and a low edge, for example, including an annular edge plate, a circular center plate, and a connecting riser for connecting the edge plate and the center plate, and the cross section forms an " ⁇ " shape.
  • the mounting plate 500 can also be fixedly connected to the casing of the driving device 300.
  • the mounting plate 500 can also be connected to the casing and the output shaft 303 through bearings at the same time.
  • the damper device includes a motor 301, and the motor is provided with a deceleration clutch, and the output shaft 303 of the deceleration clutch is connected to the washing tub 206.
  • the washing tub 206 is driven to rotate.
  • the damper device further includes a first damper member 703, one end of the first damper member 703 is movably connected to the mounting member 700, and the other end is movably connected to the bottom of the box body 100.
  • the first damper member 703 applies a downward pulling force to the mounting member 700, so that the mounting member 700 is simultaneously subjected to the downward pulling force of the first damper member 703 and the upward pulling force of the suspension damper member 600, through the combined force of the two. Achieve better shock absorption.
  • the mounting member 700 is a circular flat plate mounting plate 500.
  • the suspension damper member 600 is connected to the mounting plate 500 from the upper portion, and the first damper member 703 is connected to the mounting plate 500 from the lower portion to realize the suspension damper member 600 and the first A damper member 703 simultaneously acts on the mounting plate 500 to dampen the mounting plate 500 to achieve a shock absorbing effect on the tub 206 and the motor 301.
  • the mounting member 700 includes a mounting large plate 700-1 coupled to the suspension damper member 600 and a mounting small plate 700-2 coupled to the first damper member 703, and the mounting slab 700- 1 is connected with the mounting small plate 700-2 through a rib to enhance the strength of the mounting member.
  • the rib spacing is set to enhance the effect. Since the bottom wall of the washing machine case 100 needs to be provided with a reinforcing structure and other components to be installed, the diameter of the large plate 700-1 is generally designed to be larger than the diameter of the mounting small plate 700-2, providing space for installation of other components. Separate settings make it easier to use the space of the mounting piece 700, which is more convenient to use.
  • first shock absorbing member 703 is hinged to the mounting member 700, and the other end is hinged to the bottom of the housing 100.
  • first shock absorbing member 703 is a shock absorber.
  • the washing machine further includes a second damper 704 disposed on the driving device 300.
  • One end of the second damper 704 is fixedly connected to the driving device 300, and the other end is fixedly connected to the bottom wall of the casing 100.
  • the second damper member 704 By providing the second damper member 704 to apply a downward pulling force or an upward elastic force to the driving device 300, in combination with the first damper member 703 and the suspension damper member 600, the mounting plate 500, the driving device 300, and The overall formation of the washing tub 206 achieves a better shock absorbing effect under the combined action of individual components.
  • one end of the second damper member 704 is fixedly connected to the stator of the motor 301, and the other end is fixedly connected to the bottom wall of the box 100.
  • the second damper device is a damper spring.
  • the washing machine is further provided with a water collecting structure for blocking overflow of water discharged from the inner tub 200, and the water collecting structure is entirely located at a lower portion of the bottom of the inner tub 200.
  • the water collecting structure includes a water collecting chamber 400 having an upper opening, the upper end of the side wall of the water collecting chamber 400 being lower than the bottom of the inner tub 200, and the inner tub 200 communicating with the upper opening of the water collecting chamber 400.
  • the mounting plate 500 is provided with a water retaining rib 501, and the mounting plate 500 is enclosed with the water retaining rib 501 to form a water collecting chamber 400.
  • the structure is simple and convenient for processing and forming.
  • the water collecting chamber 400 is located in the middle of the mounting plate 500, so that the center of gravity of the water retaining device is more easily coincident with the center, reducing the offset.
  • the water retaining rib 501 is annular, and the water retaining rib 501 is enclosed with the mounting plate 500 to form an annular water collecting chamber 400.
  • the water retaining rib 501 is disposed obliquely, and by setting the water retaining rib 501 to an inclined shape, the water retaining amount can be maximized and the use is more convenient;
  • the water retaining rib 501 gradually contracts from the top to the bottom in the direction of the central axis of the water collecting chamber 400, so that the upper opening has a larger diameter and is more convenient for collection.
  • the bottom outer wall of the inner tub 200 is a curved surface, and the water retaining rib 501 is spaced apart from the curved surface of the inner tub 200 by a certain distance.
  • the projection of the inner tub 200 in the horizontal direction covers the projection of the water collecting chamber 400 in the horizontal direction.
  • the interval between the water collecting chamber 400 and the tank 100 is increased, and the collision of the water collecting chamber 400 against the tank 100 is prevented, and the set is reduced.
  • the water chamber 400 is damaged; at the same time, the water collecting chamber 400 is small, and the installation of other devices at the bottom of the box 100 is more convenient.
  • the projection of the inner tub 200 in the horizontal direction may also be smaller than the projection of the water collecting chamber 400 in the horizontal direction, and more water can be collected.
  • the mounting plate 500 is provided with a drain pipe 401.
  • One end of the drain pipe 401 is in communication with the water collecting chamber 400, and the other end is connected to the outside of the washing machine or communicates with the total drain pipe of the washing machine to discharge the water.
  • a first drain line 202 communicating with the first drain port 201 and the first drain port 201 is disposed on the barrel wall of the inner tub 200, and the water outlet 203 of the first drain line 202 is disposed on the water collecting chamber 400. Above the opening.
  • the first drain port 201 and the first drain line 202 are each a plurality, each of the first drain ports 201 respectively corresponding to the corresponding first drain line 202, or the plurality of first drain ports 201 may correspond to a first drain line
  • the water that has been pumped out due to the centrifugal action of the washing tub 206 enters the first drain pipe 202 through the first drain port 201, and passes through the water outlet of the first drain pipe 202.
  • 203 is discharged into the water collection chamber 400 to block the overflow of the water.
  • the water outlet 203 of the first drain line 202 is disposed above the upper opening of the water collection chamber 400.
  • the water enters the first drain line 202 through the first drain port 201 and is discharged into the water collecting chamber 400 through the water outlet 203 to prevent the water from overflowing; the water outlet 203 is set in the block.
  • Above the upper opening of the water collecting chamber 400 of the water gluten 501 the water discharged from the water outlet 203 directly falls into the water collecting chamber 400, and the structure is simpler, and it is not necessary to add other additional components, and the water collecting effect is better.
  • the inner tub 200 further includes a second drain port 204 for discharging water in the inner tub 200 into the water collecting chamber 400 when dewatering and/or drying, between the second drain port 204 and the water collecting chamber 400.
  • a occlusion device 205 is provided, which opens the second drain 204 when dewatering and/or drying, and a large amount of water in the inner tub 200 is discharged through the second drain 204, which will be The second drain port 204 is blocked, and water is retained in the inner tub 200 for washing.
  • the second drain port 204 is disposed above the upper opening of the water collecting chamber 400, and the blocking device 205 is disposed at a lower portion of the second drain port 204.
  • the plugging device 205 By providing the second drain port 204, when dewatering and/or drying, the plugging device 205 opens the second drain port 204 to discharge the water in the inner tub 200 directly into the water collecting structure, and the water retaining rib 501 blocks the water from overflowing. And discharging the water through the drain pipe 401 to the washing machine; when washing, the plugging device 205 blocks the second drain port 204, so that the water in the inner tub 200 remains in the inner tub 200 for washing.
  • the washing machine is a pulsator washing machine.
  • the occlusion device 205 includes a valve plug 205-1 and an electromagnetic device 205-2 disposed under the valve plug 205-1.
  • the electromagnetic device 205-2 is electrically connected to a control device of the washing machine.
  • the valve plug 205 -1 blocking the second drain port 204 to prevent water from draining in the inner tub 200.
  • the electromagnetic device 205-2 controls the valve plug 205-1 to move downward to make the second drain port 204 Open and drain water into the catchment structure.
  • the mounting plate 500 is provided with a positioning device.
  • the bottom wall of the inner tub 200 is provided with a matching portion matching the positioning device.
  • the engaging portion can be a positioning groove.
  • the positioning device When the positioning device is dehydrated and/or dried, the positioning device is separated from the engaging portion.
  • the inner tub 200 rotates with the output shaft 303.
  • the positioning device cooperates with the mating portion to clamp the inner tub 200 on the mounting plate 500, and the valve plug 205-1 is opposite to the second drain opening 204, and the second The drain port 204 blocks the water in the inner tub 200 from being discharged, and the output shaft drives the pulsator in the washing machine to rotate.
  • the mounting plate 500 is disposed between the inner tub 200 and the driving device 300, and the lower portion of the mounting plate 500 is fixedly connected to the outer casing of the driving device 300.
  • the water in the inner tub 200 can be automatically lowered into the water collecting structure by the self-weight, and the mounting plate 500 is disposed at the upper portion of the driving device 300, and the water is disposed. Isolated from the drive unit 300 to prevent damage to the drive unit 300 caused by water.
  • the driving device 300 includes a motor 301.
  • the motor 301 is provided with a deceleration clutch device 302.
  • the lower portion of the mounting plate 500 is fixedly connected to the deceleration clutch or to the outer casing of the motor 301.
  • the mounting plate 500 and the driving device 300 may be connected in a manner that the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.
  • the output shaft 303 of the reduction clutch is connected to the inner tub 200 through the mounting plate 500 to drive the rotation of the inner tub 200, and the mounting plate 500 and the output shaft 303 of the driving device 300 are connected by bearings.
  • Embodiment 1 - The control method of the washing machine of Embodiment 5, the detecting device 801 detects the water level in the water collecting structure, and transmits the detection information to the main control device 800, and the main control device 800 controls the drainage device according to the detection result of the detecting device 801. switch on switch off.
  • a method of a washing machine includes the following steps:
  • the main control device 800 presets the water level height H1;
  • the detecting device 801 detects the water level height H2 in the water collecting structure, and transmits the detection signal to the main control device 800;
  • the main control device 800 determines whether H2 is greater than H1. If so, the main control device 800 controls the drainage device to open to discharge the water in the water collecting structure; if not, the main control device 800 controls the drainage device to be in a closed state, and the water cannot be discharged. .
  • a method of a washing machine comprising the steps of:
  • the S1 main control device 800 presets that the water level in the water collecting structure is 0 when the washing machine is in the washing program.
  • the water level in the water collecting structure is a% of the height of the side wall of the collecting chamber;
  • the S2 main detecting device 801 detects the water level height H2 in the water collecting chamber, and transmits the detection signal to the main control device 800;
  • S3 main control device 800 determines whether the washing machine is in the washing program or the dehydration program, if in the washing program, then run S4, if in the dehydration program, then run S5;
  • the S4 main control device 800 determines whether H2 is greater than 0. If H2>0, the main control device 800 controls the drain pump to be turned on, and the drain pump pumps out the water in the water collecting chamber; if H2 ⁇ 0, the main control device 800 controls the drain pump. In the closed state, no drainage;
  • the S5 main control device 800 determines whether H2 is greater than a% of the height of the side wall of the water collecting chamber. If H2> a% of the height of the side wall of the collecting chamber, the main control device 800 controls the drain pump to be opened, and the drain pump will be in the collecting chamber. The water pump is discharged; if H2 ⁇ a% of the height of the side wall of the water collecting chamber, the main control device 800 controls the drain pump to be in a closed state and does not drain.
  • a% can be 70-80%, but is not limited to this value.

Landscapes

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

Abstract

La présente invention concerne une machine à laver et un procédé de commande. La machine à laver comprend un tambour interne (200) qui est un tambour contenant de l'eau. La machine à laver comprend également une structure de récupération d'eau utilisée pour récupérer l'eau évacuée du tambour interne (200) et un dispositif de commande d'évacuation d'eau en communication avec la structure de récupération d'eau. Le dispositif de commande d'évacuation d'eau commande l'évacuation de l'eau en fonction du niveau de l'eau dans la structure de récupération d'eau. En mettant en place le dispositif de détection (801), le niveau de l'eau dans la structure de récupération d'eau est détecté et le résultat de détection est transmis à un dispositif de commande principal (800) afin de mettre en œuvre une surveillance en temps réel ; en mettant en place le dispositif d'évacuation d'eau utilisé pour évacuer l'eau dans la structure de récupération d'eau et en connectant électriquement le dispositif d'évacuation d'eau au dispositif de commande principal (800), le dispositif de commande principal (800) commande si oui ou non le dispositif d'évacuation d'eau doit évacuer de l'eau dans la structure de récupération d'eau selon le résultat de la détection du dispositif de détection (801).
PCT/CN2018/082846 2017-04-12 2018-04-12 Machine à laver et procédé de commande WO2018188633A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16/604,812 US20200157725A1 (en) 2017-04-12 2018-04-12 Washing machine and control method
JP2019555589A JP7074958B2 (ja) 2017-04-12 2018-04-12 洗濯機及び制御方法

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CN201710237185.1 2017-04-12
CN201710237185.1A CN108691155B (zh) 2017-04-12 2017-04-12 一种洗衣机及控制方法

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WO2018188633A1 true WO2018188633A1 (fr) 2018-10-18

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JP (1) JP7074958B2 (fr)
CN (1) CN108691155B (fr)
WO (1) WO2018188633A1 (fr)

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WO2019154293A1 (fr) * 2018-02-12 2019-08-15 青岛海尔洗衣机有限公司 Machine à laver
WO2019154297A1 (fr) * 2018-02-12 2019-08-15 青岛海尔洗衣机有限公司 Procédé de commande de lave-linge
CN111560750B (zh) * 2019-01-25 2023-08-01 青岛海尔洗衣机有限公司 一种洗衣机排水控制方法及洗衣机
US11578453B2 (en) * 2020-03-26 2023-02-14 Haier Us Appliance Solutions, Inc. Fault detection for a water level detection system of a washing machine appliance
US20220178067A1 (en) * 2020-12-09 2022-06-09 Haier Us Appliance Solutions, Inc. Method of using image recognition processes for improved operation of a laundry appliance

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JP7074958B2 (ja) 2022-05-25
CN108691155A (zh) 2018-10-23
JP2020516375A (ja) 2020-06-11
CN108691155B (zh) 2021-02-02

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