WO2019237946A1 - Procédé de commande de pulvérisation de machine à laver à tambour - Google Patents

Procédé de commande de pulvérisation de machine à laver à tambour Download PDF

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Publication number
WO2019237946A1
WO2019237946A1 PCT/CN2019/089428 CN2019089428W WO2019237946A1 WO 2019237946 A1 WO2019237946 A1 WO 2019237946A1 CN 2019089428 W CN2019089428 W CN 2019089428W WO 2019237946 A1 WO2019237946 A1 WO 2019237946A1
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WO
WIPO (PCT)
Prior art keywords
program
circulation pump
washing machine
water inlet
drum washing
Prior art date
Application number
PCT/CN2019/089428
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English (en)
Chinese (zh)
Inventor
吕佩师
许升
赵志强
赵新宇
Original Assignee
青岛海尔滚筒洗衣机有限公司
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Application filed by 青岛海尔滚筒洗衣机有限公司 filed Critical 青岛海尔滚筒洗衣机有限公司
Publication of WO2019237946A1 publication Critical patent/WO2019237946A1/fr

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements

Definitions

  • the invention belongs to the field of household appliances, and specifically provides a spray control method of a drum washing machine.
  • the existing drum washing machine originated in Europe, and mainly includes a box body, an outer tube, and an inner tube from the outside to the inside.
  • the drum washing machine works in a similar way to hammering clothes with a hammer.
  • the inner cylinder is driven by the driving motor. With the rotation of the inner cylinder, the laundry is continuously lifted and dropped in the drum, and then lifted and dropped again, and repeat the exercise. With the help of washing powder and water, the laundry is washed clean.
  • drum washing machines are also provided with a circulating spray device.
  • the drum washing machine disclosed in the patent document with the publication number of CN201037211Y the observation window glass is provided with a spray device, and the spray device is connected to the water inlet valve through a spray pipeline.
  • a plurality of spray holes are provided on a side of the spray device facing the inner cylinder. The spray device sprays the laundry in the inner tub through the spray hole during the water inlet, washing and rinsing of the drum washing machine.
  • drum washing machine disclosed in the patent document with the publication number of CN201037211Y has a strong ability to clean clothes, its spraying mode is relatively single and it is difficult to meet people's increasing demand for quality of life.
  • the present invention provides a spray control method for a drum washing machine.
  • the drum washing machine includes A casing, an outer cylinder fixedly disposed in the casing, an inner cylinder rotatably disposed in the outer cylinder, a plurality of nozzles disposed near a front end of the outer cylinder, and a circulation pump disposed in the casing
  • the circulation pump is used for pumping the washing water in the outer cylinder to the plurality of nozzles;
  • the spray control method includes the following steps:
  • the circulation pump is caused to operate.
  • the target operation program includes a dehydration program
  • the step of "if the current operation program is the target operation program, make the circulation pump work" further includes:
  • the circulation pump is operated.
  • the step of "making the circulation pump work” further includes:
  • the circulation pump is started and the circulation pump is intermittently operated for a preset number of times.
  • the target operation program further includes a water inlet program
  • the step of "if the current operation program is the target operation program, make the circulation pump work" further includes:
  • the circulating pump is caused to work.
  • the target operation program further includes a washing program
  • the step of "if the current operation program is the target operation program, make the circulation pump work" further includes:
  • the circulation pump is operated.
  • the target operation program further includes a rinsing program
  • the step of "making the circulating pump work if the current operation program is the target operation program" further includes:
  • the circulation pump is operated.
  • the water inlet of the circulation pump is also in communication with the water inlet valve of the drum washing machine. Water is pumped to the plurality of nozzles.
  • the drum washing machine further includes a three-way valve, and the three-way valve includes a first water inlet valve port, a second water inlet valve port, and a water outlet valve port.
  • a valve port is in communication with the outer cylinder
  • the second water inlet valve is in communication with the water inlet valve
  • the water outlet valve is in communication with the water inlet of the circulation pump, so that the water inlet of the circulation pump passes through
  • the three-way valve is in communication with the water inlet valve and the outer cylinder, respectively.
  • the drum washing machine further includes a three-way pipe, a first shut-off valve, and a second shut-off valve
  • the three-way pipe includes a first inlet pipe inlet, a second inlet pipe outlet, and a water outlet pipe.
  • the first inlet pipe port communicates with the outer cylinder through the first shut-off valve
  • the second inlet pipe port communicates with the inlet valve through the second shut-off valve
  • the outlet pipe port Communicates with the water inlet of the circulation pump, so that the water inlet of the circulation pump passes through the three-way pipe and through the first and second shut-off valves, the water inlet valve and the outer cylinder Connected separately.
  • the plurality of nozzles are disposed on the sealed window mat of the drum washing machine at equal intervals around the axis of the outer cylinder.
  • the circulation pump is operated to be a nozzle.
  • the washing water is provided, and the nozzle is caused to spray the washing water into the inner cylinder. Therefore, the spray control method of the present invention can selectively cause the circulation pump to run in a defined target program, so that the nozzle sprays the laundry in the inner cylinder. Therefore, the drum washing machine of the present invention has more spray modes than the drum washing machine disclosed in the patent document with the publication number of CN201037211Y, which can meet more needs of users and optimize the user experience.
  • the target operation program includes a dehydration program.
  • the circulation pump is operated to pump the washing water in the outer drum to the nozzles, and the nozzle sprays the washing water onto the clothes in the inner drum, thereby taking away the detergent residue on the clothes, and thus reducing the drum washing machine The number of rinses on the laundry.
  • FIG. 1 is a front view of a drum washing machine of the present invention
  • FIG. 2 is a cross-sectional view taken along the A-A direction of FIG. 1;
  • Figure 3 is a sectional view taken along the direction B-B of Figure 1;
  • FIG. 4 is a first side view of an outer cylinder portion of the present invention.
  • FIG. 5 is a second side view of an outer cylinder portion of the present invention.
  • FIG. 6 is a front view of an outer cylinder portion of the present invention.
  • Figure 7 is a sectional view taken along the direction C-C of Figure 6;
  • FIG. 8 is an enlarged view of a portion D in FIG. 7;
  • FIG. 9 is a schematic view showing an effect of a shielding structure according to the present invention.
  • Figure 10 is a side view of a nozzle of the present invention.
  • FIG. 11 is a sectional view of a nozzle of the present invention.
  • Figure 12 is a front view of a nozzle of the present invention.
  • FIG. 13 is a schematic view of a first spray effect of a nozzle of the present invention.
  • FIG. 14 is a schematic view of a second spray effect of the nozzle of the present invention.
  • 16 is a logic control flowchart of the spray control method of the present invention when a drum washing machine executes a water inlet program
  • 17 is a logic control flowchart of the spray control method of the present invention when the drum washing machine executes a washing program
  • 19 is a logic control flowchart of a spray control method of the present invention when a drum washing machine executes a rinsing program
  • FIG. 20 is a logic control flowchart of the spray control method of the present invention when the drum washing machine executes the first dehydration program.
  • the terms “installation”, “connected”, and “connected” should be understood in a broad sense unless otherwise specified and limited. For example, they may be fixed connections or removable. Connected, or integrated; they can also be indirectly connected through an intermediate medium, which can be the internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.
  • the drum washing machine of the present invention mainly includes a box body 1, an outer tube 2, an inner tube 3, a door body 4, a sealed window pad 5, a counterweight 6, a water outlet pipe 7, a circulation pump 8, and drainage.
  • the outer tube 2 is fixedly disposed in the box body 1
  • the inner tube 3 is rotatably disposed in the outer tube 2
  • the sealing window pad 5 is disposed between the box body 1 and the outer tube 2.
  • the counterweight 6 is installed on the outer cylinder 2 and is used to increase the inertia of the outer cylinder 2 and reduce the vibration amplitude of the outer cylinder 2 when the inner cylinder 3 runs.
  • the water outlet pipe 7, the circulation pump 8, the drainage pipe 9, and the circulation pipe 10 are all disposed in the cabinet 1, and the circulation pump 8 is fixed to the cabinet 1, or a person skilled in the art may also according to requirements
  • the circulation pump 8 is fixed to the outer cylinder 2.
  • the circulation pump 8 includes a water inlet and two water outlets. Among them, the water inlet of the circulation pump 8 is connected to one end of the water outlet pipe 7, the other end of the water outlet pipe 7 is connected to the bottom end of the outer cylinder 2, and the water inlet of the circulation pump 8 and the outer cylinder 2 are thus communicated.
  • One water outlet of the circulation pump 8 is connected to one end of the drain pipe 9, and the other end of the drain pipe 9 is open to the outside.
  • the other water outlet of the circulation pump 8 is connected to one end of the circulation pipe 10, and the other end of the circulation pipe 10 opens into the outer cylinder 2.
  • the circulation pump 8 is a bi-directional rotary pump.
  • the circulation pump 8 When the circulation pump 8 rotates forward, the circulation pump 8 pumps wash water to the drain pipe 9; when the circulation pump 8 reverses, the circulation pump 8 will wash Water is pumped to the circulation pipe 10.
  • those skilled in the art may also set the circulation pump 8 to have only one water outlet as required, and communicate the water outlet with the circulation pipe 10. Then, a separate water pump or shut-off valve is provided for the drain pipe 9, and the wash water in the outlet pipe 7 flows to the drain pipe 9 by opening the water pump or the shut-off valve.
  • the front end of the box 1 (the right side of the box 1 in FIG. 3) is provided with a box mouth (not shown in the figure), and the front end of the outer tube 2 (the right side of the outer tube 2 in FIG. 3) is provided with The outer cylinder mouth (not shown in the figure), the front end of the inner cylinder 3 (the right side of the inner cylinder 3 in FIG. 3) is provided with the inner cylinder mouth (not shown in the figure).
  • One end of the sealing window pad 5 is sealingly connected to the edge of the box mouth, and the other end of the sealing window pad 5 is sealingly connected to the edge of the outer cylinder mouth.
  • the door body 4 is pivotally disposed on the box body 1, and when the door body 4 is closed, the mouth of the box body can be closed to prevent the washing water in the outer cylinder 2 from overflowing from the box body mouth.
  • the drum washing machine of the present invention further includes a spray system.
  • the spray system mainly includes a circulation pump 8, a circulation pipe 10, an annular cavity 11, and a plurality of nozzles 12.
  • the circulation pump 8 is as described above.
  • the annular cavity 11 is provided at the front end of the outer cylinder 2 and is fixedly connected to the outer cylinder 2 or the counterweight 6.
  • a mounting bracket is provided on the annular cavity 11, and the annular cavity 11 is fixed to the outer cylinder 2 or the counterweight 6 through the mounting bracket.
  • the mounting bracket can be fixed to the outer cylinder 2 or the counterweight 6 by any feasible connection method, such as bolt connection, screw connection, snap connection, bolt connection, and the like.
  • the annular cavity 11 is provided with a water inlet and a plurality of outlets.
  • the inlet of the annular cavity 11 communicates with the end of the circulation pipe 10 away from the circulation pump 8, and each outlet of the annular cavity 11 Both are connected to a nozzle 12.
  • the circulation pump 8 can pump the washing water to the plurality of nozzles 12 through the circulation pipe 10, and then the nozzles 12 spray the washing water into the inner cylinder 3.
  • the nozzle 12 can be connected with the annular cavity 11 by any feasible connection form, for example, by integral injection molding with the annular cavity 11 and can be connected by plugging, screwing, or welding. , Ultrasonic welding, etc. are connected together.
  • a plurality of nozzles 12 are arranged on the sealing window gasket 5 at equal intervals along the circumferential direction of the sealing window gasket 5 so that the plurality of nozzles 12 can collectively provide a uniform water flow for the inner cylinder 3 (such as (Shown in Figure 1).
  • the number of the nozzles 12 may be any value, such as five, six, eight, nine, and the like.
  • those skilled in the art may also arrange a plurality of nozzles 12 on the sealing window gasket 5 at non-equidistances as required.
  • the sealing window pad 5 is provided with a plurality of through holes (not shown in the figure) corresponding to the number of the nozzles 12, and the diameter of each through hole is smaller than the diameter of the nozzle 12 so that the nozzle 12 and the sealing window
  • the pads 5 are connected together by an interference fit, and thus the seal between the nozzle 12 and the sealing window pad 5 is achieved.
  • those skilled in the art can also set the through holes on the sealing window pad 5 as other installation holes in any form, such as threaded holes, splined holes, tapered holes, polygonal holes, and the like.
  • a plurality of shielding structures 51 corresponding to the number of the nozzles 12 are provided inside the sealing window pad 5.
  • the shielding structure 51 is disposed around the through hole.
  • the shielding structure 51 and the sealing window pad 5 can be connected together in any feasible manner, such as integral injection molding, welding, ultrasonic welding, and the like.
  • the shielding structure 51 is an inverted bowl-shaped structure, and a cavity 511 is formed between the shielding structure 51 and the sealing window pad 5, and the cavity 511 is used to receive and wrap the end of the nozzle 12.
  • the end of the nozzle 12 is prevented from catching clothes when a user puts clothes in or takes out clothes from the inner drum 3.
  • an opening 512 is also provided on the side of the shielding structure 51 facing the inner cylinder 3, and the opening 512 is aligned with the spray port 123 (shown in FIG. 10 on the right) of the nozzle 12 to ensure that the nozzle 12 can smoothly wash water Sprayed into the inner cylinder 3.
  • the nozzle 12 of the present invention mainly includes a main body 121, a shielding portion 122 provided at one end of the main body 121, an injection port 123 formed between the main body 121 and the shielding portion 122, and an opposite end of the main body 121. Connection (not shown).
  • the main body 121 is connected to the annular cavity 11 through a connecting portion.
  • a channel 1211 is provided inside the main body 121. A lower end (water inlet end) of the channel 1211 is communicated with the annular cavity 11, and an upper end (water outlet end) of the channel 1211 is communicated with the injection port 123.
  • the main body 121 and the shielding portion 122 may be connected together in any feasible manner, such as integral injection molding, welding, ultrasonic welding, and the like.
  • the spray port 123 is flat so that the nozzle 12 can spray fan-shaped washing water.
  • the height of the lower wall of the spraying port 123 ie, the upper end of the main body 121 gradually increases along the spraying direction of the washing water sprayed from the spraying port 123; wherein, the height is that the upper end of the main body 121 reaches the main body 121.
  • the distance from the bottom The height of the upper wall of the spraying port 123 (that is, the side of the blocking portion 122 near the main body 121) gradually increases along the spraying direction of the washing water sprayed from the spraying port 123; wherein, the height is the lower side (bottom of the blocking portion 122) End surface) to the lower end of the main body 121.
  • the height difference of the lower wall of the injection port 123 is H.
  • the upper wall and the lower wall of the injection port 123 are substantially parallel, and therefore, the height difference of the upper wall of the injection port 123 is also H.
  • the angle between the upper wall of the injection port 123 and the horizontal direction is ⁇ .
  • the purpose of setting the upper wall and the lower wall of the spray port 123 to the above structure is to direct the spray direction of the spray port 123 to the axis of the inner tube 3 so that the washing water can fall uniformly into the inner tube 3.
  • those skilled in the art can also set the above-mentioned H and ⁇ to any feasible values according to requirements. For example, ⁇ is set to 0 ° or 90 °, even if the ejection direction of the ejection port 123 and the axis direction of the main body 121 are perpendicular or parallel.
  • the lower end surface of the shielding portion 122 may be disposed obliquely as described above, or may be disposed perpendicular to the axial direction of the main body 121.
  • the blocking portion 122 plays a role here to collide with the washing water flowing in the channel 1211 and break the washing water, so that the washing water is ejected from the ejection port 123 into a waterfall shape.
  • the connecting end of the main body 121 and the water retaining portion 122 forms a starting end (an arc dotted line in FIG. 12) of the spray port 123, and the height of the starting end gradually increases along the circumferential direction of the main body 121.
  • the height is the distance from the starting end to the lower end of the main body 121.
  • h exists for the purpose of forming an angle ⁇ between the flat injection port 123 in FIG. 12 and the horizontal direction in FIG. 12. In a preferred embodiment of the invention, 0 ° ⁇ ⁇ 90 °.
  • L can be any feasible value, such as 3cm, 4cm, 6cm, and the like.
  • the drum washing machine of the present invention not only simplifies the installation structure of the nozzle 12 by arranging the nozzles 12 on the sealing window gasket 5 at equal intervals, but also maintains the original structure of the outer cylinder 2 and reduces the drum.
  • the production cost of the washing machine can also provide the laundry in the inner tub 3 with a circular spray of washing water as shown in FIG. 1.
  • the present invention also obliquely sets the spraying port 123 of the nozzle 12 so that the spraying port 123 has an included angle ⁇ and an included angle ⁇ , so that the nozzle 12 can not only spray washing water toward the axis of the inner cylinder 3, but also enable washing
  • the water covers the inner tub 3 longitudinally along the axis of the inner tub 3, so that the laundry in the inner tub 3 is better sprayed, and the washing effect of the washing machine is optimized.
  • nozzle 12 can also set the nozzle 12 at any feasible position according to needs.
  • a plurality of nozzles 12 are arranged at equal intervals at the edges of the outer cylinder mouth.
  • a plurality of nozzles 12 are provided on the door body 4 at equal intervals.
  • those skilled in the art may also set a plurality of water pipes according to requirements, so that each nozzle 12 can communicate with the water outlet of the circulation pump 8 through a water pipe individually.
  • the spray control method of the present invention mainly includes:
  • Step S001 obtaining a current running program of the drum washing machine
  • Step S002 determining whether the current running program is a target running program
  • step S003 if the current running program is a target running program, the circulation pump 8 is made to work.
  • the running program of the drum washing machine includes a water inlet program, a washing program, a rinsing program, and a dehydration program.
  • the target operation program includes at least one operation program among a water inlet program, a washing program, a rinsing program, and a dehydration program.
  • step S003 the specific operation of making the circulating pump 8 work is to make the circulating pump 8 work continuously for a preset period of time, or to make the circulating pump 8 run intermittently for a preset number of times.
  • the preset duration can be any duration, such as 30S, 1min, 2min, 3min, etc .; the preset number of times can be arbitrary, such as 30 times, 60 times, 85 times, 120 times, and so on.
  • the working time and the stopping time of the circulation pump 8 may be equal to or different from each other. Those skilled in the art can appropriately adjust the working time and the stopping time of the circulation pump 8 according to the working conditions of the drum washing machine. For example, the working time of the circulating pump 8 is set to 15S, 20S, 30S, 45S, etc., and the stopping time of the circulating pump 8 is set to 20S, 30S, 45S, 60S, etc.
  • the shower control method of the present invention will be exemplified below with reference to FIGS. 16 to 20.
  • the target operation program includes a water supply program, a washing program, a rinsing program, and a dehydration program.
  • the spray control method of the present invention includes:
  • step S101 the washing machine is started. Specifically, the washing machine is powered on by operating the power key, and the washing machine is started to operate by operating the start key.
  • step S102 the user manually adds detergent to the detergent box.
  • step S103 the washing machine automatically puts detergent into the detergent box.
  • the washing machine may weigh the laundry in the inner tub 3 to determine the amount of detergent to be added, and then add the detergent to the detergent box.
  • step S102 and step S103 are executed one by one.
  • step S104 the drum washing machine automatically opens the water inlet valve, and the tap water enters the outer tub 2 through the water inlet valve.
  • step S105 the inner tub 3 is rotated, so that the laundry in the inner tub 3 can be in contact with the washing water in the outer tub 2 to wet the laundry.
  • the circulation pump 8 is started to work, and the washing water in the outer tub 2 is pumped to the nozzles 12, and the nozzle 12 sprays the washing water uniformly on the laundry in the inner tub 3.
  • Optional step S106 determining whether the working time of the circulating pump 8 reaches a preset time.
  • An optional step S107 is to stop the circulating pump 8 when the working time of the circulating pump 8 reaches a preset time.
  • step S108 the washing water in the outer tub 2 reaches a preset water level or quality, and the water inlet of the drum washing machine is completed.
  • step S106 and step S107 can also replace step S106 and step S107 with steps according to needs: make the circulation pump 8 stop working at the same time or after the completion of the water inlet of the drum washing machine. Alternatively, the circulation pump 8 is always operated.
  • the spray control method of the present invention includes:
  • step S201 the inner tube 3 is rotated, and the clothes are continuously lifted and dropped to achieve the purpose of hitting the clothes.
  • step S202 is performed to make the circulation pump 8 work intermittently. That is, the circulation pump 8 is operated for t1 time and then stopped for t2 time, and then is operated for t1 time again until the intermittent operation number of the circulation pump 8 reaches a set value.
  • t1 and t2 can be any value, for example, t1 is set to 20S, 30S, 45S, etc., and t2 is set to 20S, 30S, 45S, etc.
  • step S203 it is determined whether the time that the drum washing machine has executed the washing program has reached the set time.
  • step S201 is continuously performed.
  • the drum washing machine is caused to enter the next running program.
  • the spray control method of the present invention includes:
  • step S301 the inner cylinder 3 is rotated to a set rotation speed, and at the same time or thereafter, the circulation pump 8 is started.
  • the circulation pump 8 pumps the washing water in the outer tub 2 to the nozzle 12, and then sprays the laundry on the inner tub 3.
  • step S302 when the drum washing machine has performed the first dehydration program for a set period of time, the inner drum 3 is stopped from rotating, and the circulation pump 8 is stopped before that. The drum washing machine is dehydrated.
  • the stopping time of the circulating pump 8 should be earlier than the stopping time of the inner cylinder 3. Specifically, when the washing water in the outer tub 2 is lower than the water inlet end of the water outlet pipe 7, the circulating pump 8 is stopped. Since it is not convenient to judge whether the washing water is lower than the water inlet end of the water outlet pipe 7 during the specific implementation process, a preset duration may be set for the circulation pump 8 and the rotation is stopped when the circulation pump 8 operates to the preset duration.
  • the nozzle 12 sprays the laundry in the inner tub 3, which not only enables the washing water to remove the detergent remaining on the laundry under the action of centrifugal force, but also The clothes can be impacted to fit the clothes evenly inside the inner tube 3 and reduce the eccentricity when the inner tube 3 rotates.
  • the spray control method of the present invention includes:
  • step S401 the drum washing machine automatically opens the water inlet valve, and the tap water enters the outer tub 2 through the water inlet valve.
  • step S402 the inner cylinder 3 is rotated, and the clothes are continuously lifted and dropped to achieve the purpose of hitting the clothes.
  • step S403 is performed to make the circulation pump 8 work intermittently. That is, the circulation pump 8 is operated for t1 time and then stopped for t2 time, and then is operated for t1 time again until the intermittent operation number of the circulation pump 8 reaches a set value.
  • t1 and t2 can be any value, for example, t1 is set to 20S, 30S, 45S, etc., and t2 is set to 20S, 30S, 45S, etc.
  • step S404 it is determined whether the time that the drum washing machine has performed the rinsing process has reached the set time.
  • step S402 is continued.
  • the drum washing machine is caused to enter the next running program.
  • the spray control method of the present invention includes:
  • step S501 the inner cylinder 3 is rotated to a set rotation speed, and at the same time or thereafter, the circulation pump 8 is started.
  • the circulation pump 8 pumps the washing water in the outer tub 2 to the nozzle 12, and then sprays the laundry on the inner tub 3.
  • step S502 when the drum washing machine has executed the second dehydration program for a set period of time, the inner drum 3 is stopped from rotating, and the circulation pump 8 is stopped before that. The drum washing machine is dehydrated.
  • step S503 it is determined whether the number of times the drum washing machine has performed the rinsing process reaches a preset number of times.
  • step S401 is performed; when the number of times the drum washing machine has performed the rinsing program has not reached the preset number, step S504 is performed.
  • step S504 the drum washing machine finishes washing.
  • the spray control method of the present invention makes the spray mode of the drum washing machine more diverse.
  • those skilled in the art can also set the target operation program to a form that can be manually selected by the user, so that the user can select one or more of the water inlet program, washing program, rinsing program, and dehydration program according to his own needs. program.
  • an electronically controlled three-way valve is configured for a drum washing machine.
  • the three-way valve includes a first water inlet valve port, a second water inlet valve port, and an outlet valve port.
  • the first water inlet valve port passes through a water outlet pipe. 7 is in communication with the outer cylinder 2
  • the second water inlet valve is in communication with the water inlet valve
  • the water outlet valve is in communication with the water inlet of the circulation pump 8.
  • a drum washing machine is provided with a three-way pipe, an electrically controlled first shut-off valve and an electrically controlled second shut-off valve.
  • the three-way pipe includes a first water inlet, a second water inlet, and a water outlet.
  • the first water inlet is communicated with the outer cylinder 2 through a first stop valve
  • the second water inlet is connected to the inlet through a second stop valve.
  • the water valve is in communication
  • the water outlet pipe is in communication with the water inlet of the circulation pump 8.
  • the circulation pump 8 is selectively communicated with the water inlet valve or the outer cylinder 2, and then the tap 12 is used to selectively provide tap water for the laundry in the inner cylinder 3 or Wash water.
  • the circulation pump 8 can communicate with the water inlet valve, and then the tap water is sprayed to the inner tub 3 through the nozzle 12. On clothing. Under the action of centrifugal force, the tap water can quickly penetrate the laundry and take away the detergent left on the laundry, which can effectively improve the cleaning ability of the drum washing machine, and can reduce the number of times the drum washing machine rinses the clothes.

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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

La présente invention concerne un procédé de commande de pulvérisation d'une machine à laver à tambour, permettant de remédier relativement facilement au problème de mode de pulvérisation des machines à laver à tambour antérieures ayant une fonction de pulvérisation. La machine à laver à tambour comprend un corps de boîte (1), un cylindre externe (2) placé à demeure dans le corps de boîte (1), un cylindre interne (3) placé rotatif dans le cylindre externe (2), une pluralité de buses (12) placées à proximité de l'extrémité avant du cylindre externe (2), et une pompe de circulation (8) placée dans le corps de boîte (1), l'entrée d'eau de la pompe de circulation (8) passe dans le cylindre externe (2), la sortie d'eau de la pompe de circulation (8) est respectivement en communication avec la pluralité de buses (12). Le procédé de commande de pulvérisation comprend les étapes suivantes consistant à : obtenir le programme de fonctionnement actuel de la machine à laver à tambour ; déterminer si le programme de fonctionnement actuel est le programme de fonctionnement cible ; si le programme de fonctionnement actuel est le programme de fonctionnement cible, la pompe de circulation (8) est actionnée. Le procédé de commande de pulvérisation peut faire fonctionner sélectivement la pompe de circulation (8) dans un programme cible défini, ce qui augmente les modes de pulvérisation de la machine à laver à tambour.
PCT/CN2019/089428 2018-06-15 2019-05-31 Procédé de commande de pulvérisation de machine à laver à tambour WO2019237946A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810617352.XA CN110607635B (zh) 2018-06-15 2018-06-15 滚筒洗衣机的喷淋控制方法
CN201810617352.X 2018-06-15

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Publication Number Publication Date
WO2019237946A1 true WO2019237946A1 (fr) 2019-12-19

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