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CN-115491871-B - Clothes treatment device and washing water treatment method

CN115491871BCN 115491871 BCN115491871 BCN 115491871BCN-115491871-B

Abstract

The present disclosure provides a laundry treatment apparatus and a method of treating washing water, the laundry treatment apparatus including an outer tub, a washing tub, a centrifugal separation part, and a water dividing structure including a housing having an inner cavity, the housing being provided with a water inlet, a circulation water outlet, a washing water outlet, and a washing return port, which are respectively communicated with the inner cavity, the laundry treatment apparatus including a circulation water path in which washing water in the outer tub flows into the water dividing structure from the water inlet and flows into the centrifugal separation part from the circulation water outlet, and after centrifugal separation of foreign matters contained in the washing water by the centrifugal separation part, the washing water in the outer tub flows into the water dividing structure from the washing water outlet to the centrifugal separation part to wash the centrifugal separation part, and then returns to the water dividing structure via the washing return port. According to the present disclosure, a laundry treatment apparatus and a method of treating washing water, which can simplify a waterway design, can be provided.

Inventors

  • MAO HAILONG
  • LOU WULEI
  • SU WEILE
  • LIAO PEIFENG

Assignees

  • 松下知识产权经营株式会社

Dates

Publication Date
20260505
Application Date
20210617

Claims (20)

  1. 1. A clothes treating apparatus, characterized in that, The laundry treating apparatus includes: an outer tub provided in a housing of the laundry treating apparatus; A washing tank rotatably provided in the outer tank; a centrifugal separation part for separating foreign matters contained in the washing water in the outer tank, and The water diversion structure comprises a shell with an inner cavity, wherein the shell is provided with a water inlet, a circulating water outlet, a flushing water outlet and a flushing return port which are respectively communicated with the inner cavity, The laundry treating apparatus includes a circulation waterway and a washing waterway, In the circulating water path, the washing water in the outer tank flows into the water diversion structure from the water inlet and flows into the centrifugal separation part from the circulating water outlet, and after the centrifugal separation part performs centrifugal separation on foreign matters contained in the washing water, the foreign matters return to the outer tank, In the flushing waterway, the washing water in the outer groove flows into the water diversion structure from the water inlet and flows into the centrifugal separation part from the flushing water outlet so as to flush the centrifugal separation part, and then returns to the water diversion structure through the flushing return port.
  2. 2. The laundry treatment apparatus according to claim 1, wherein, The shell is provided with a water outlet communicated with the inner cavity, The laundry treating device includes a drain waterway in which the washing water in the outer tub flows into the water dividing structure from the water inlet and is discharged to the outside of the laundry treating device from the water outlet.
  3. 3. The laundry treatment apparatus according to claim 1, wherein, The water diversion structure comprises a circulating filtering part, the circulating filtering part is assembled in the inner cavity, and in the circulating waterway, washing water flowing into the water diversion structure from the water inlet flows into the centrifugal separation part from the circulating water outlet after being filtered by the circulating filtering part.
  4. 4. A laundry treatment apparatus according to claim 3, wherein, The circulating filter part divides the inner cavity into a first cavity and a second cavity, The water inlet and the flushing return port are respectively communicated with the first chamber, and the circulating water outlet is communicated with the second chamber.
  5. 5. The laundry treatment apparatus according to claim 4, wherein, The shell is provided with a water outlet communicated with the inner cavity, The laundry treating apparatus includes a drain waterway in which the washing water in the outer tub flows into the water dividing structure from the water inlet and is discharged to the outside of the laundry treating apparatus from the water outlet, The drain port communicates with the first chamber.
  6. 6. The laundry treatment apparatus according to claim 4, wherein, The flushing water outlet is communicated with the first chamber.
  7. 7. The laundry treatment apparatus according to claim 4, wherein, The circulating filter section divides the inner chamber into a first chamber and a second chamber in an axial direction of the housing.
  8. 8. The laundry treatment apparatus according to claim 7, wherein, The circulating water outlet and the flushing reflux port are positioned on a straight line parallel to the axial direction of the shell.
  9. 9. The laundry treatment apparatus according to claim 4, wherein, The circulating filter section divides the inner chamber into a first chamber and a second chamber in a direction intersecting an axial direction of the housing.
  10. 10. The laundry treatment apparatus according to claim 1, wherein, The clothes treatment device further comprises a communicating pipe, the communicating pipe comprises a main pipe part, a first branch pipe part and a second branch pipe part, one end of the main pipe part is connected with one end of the first branch pipe part and one end of the second branch pipe part, the other end of the main pipe part is connected with the centrifugal separation part, the other end of the first branch pipe part is connected with the flushing return port, and the other end of the second branch pipe part is connected with the circulating water outlet.
  11. 11. The laundry treatment apparatus according to claim 10, wherein, A first one-way valve is arranged in the first branch pipe part, or in the flushing reflux port, or at the connection part between the first branch pipe part and the flushing reflux port, and the first one-way valve only allows the washing water to flow from the first branch pipe part to the inner cavity.
  12. 12. Laundry treatment apparatus according to claim 10 or 11, characterized in that, A second check valve is provided in the second branch pipe part, or in the circulation water outlet, or at a connection portion between the second branch pipe part and the circulation water outlet, the second check valve allowing only the washing water to flow from the inner chamber to the second branch pipe part.
  13. 13. The laundry treatment apparatus according to claim 10, wherein, The communicating pipe is in an F shape.
  14. 14. The laundry treatment apparatus according to claim 4, wherein, The water diversion structure further comprises a drainage filtering part, and the drainage filtering part is assembled in the first chamber.
  15. 15. The laundry treatment apparatus of claim 14, wherein, The housing is provided with a drain opening in communication with the first chamber, The laundry treating apparatus includes a drain water path in which washing water in the outer tub flows into the first chamber from the water inlet, is filtered by the drain filtering part, is discharged to the outside of the laundry treating apparatus from the drain outlet, The washing water in the washing water path after washing the centrifugal separation part returns to the first chamber through the washing return port, is filtered by the drainage filtering part, and is discharged to the outside of the clothes treating apparatus through the drainage water path.
  16. 16. The laundry treatment apparatus of claim 14, wherein, In the flushing water path, the washing water flowing into the first chamber from the water inlet is filtered by the drainage filtering part, and then flows into the centrifugal separation part from the flushing water outlet.
  17. 17. The laundry treatment apparatus according to any one of claims 1 to 11, 13 to 16, characterized in that, The centrifugal separation section includes an outer cylinder, a rotary cylinder rotatably provided in the outer cylinder, and a driving device for driving the rotary cylinder to rotate, The laundry treatment apparatus may perform a circulation operation in which the washing water in the outer tub is circulated through the circulation water passage by a driving force of the driving apparatus, and foreign matter contained in the washing water is centrifugally separated when the washing water flows through the centrifugal separation portion.
  18. 18. The laundry treatment apparatus according to any one of claims 1 to 11, 13 to 16, characterized in that, The shell is provided with a water outlet communicated with the inner cavity, The laundry treating apparatus includes a drain waterway in which the washing water in the outer tub flows into the water dividing structure from the water inlet and is discharged to the outside of the laundry treating apparatus from the water outlet, The water dividing structure is provided with a pump, The laundry treating apparatus is capable of performing a washing motion and a draining motion, In the flushing operation, the washing water in the outer tank is flushed through the flushing water channel to the centrifugal separation part by utilizing the driving force of the pump, and returned to the water diversion structure through the flushing return port, In the draining operation, the washing water in the outer tub is discharged to the outside of the laundry treating apparatus through the draining water passage by the driving force of the pump.
  19. 19. The laundry treatment apparatus of claim 18, wherein, The laundry treating apparatus performs the washing action and the draining action simultaneously by operating the pump, And the washing water in the washing water channel after washing the centrifugal separation part returns to the water dividing structure through the washing return port and is discharged to the outside of the clothes treatment device through the water draining channel.
  20. 20. The laundry treatment apparatus of claim 18, wherein, The water diversion structure comprises a water outlet filtering part, the water outlet filtering part is arranged on the inner peripheral surface of the part, corresponding to the flushing water outlet, of the peripheral wall of the shell at the radial outer side of the impeller of the pump, and water in the water diversion structure flows out of the shell from the flushing water outlet after being filtered by the water outlet filtering part.

Description

Clothes treatment device and washing water treatment method Technical Field The present disclosure relates to a laundry treatment apparatus and a method of treating wash water. Background International application WO2019/049697 discloses a washing machine (laundry treatment apparatus) with a centrifugal separation portion 94. As shown in fig. 1, the main operation principle of the washing machine is that laundry is put into a washing tank 92 in a washing stage, after the washing machine is operated until the washing water reaches a predetermined water level, a circulation pump 93 is operated, the washing water is fed into a centrifugal separator 94 from a separator inflow port 941 through a first switching valve 95, a circulation pump 93, and a second switching valve 96, after the centrifugal separator 94 centrifugally separates foreign matters contained in the washing water, the washing water is fed back into an outer tank 91 from a separator outflow port 942 through a third switching valve 97, and the circulation operation is repeated until the washing water is discharged in a draining stage, and in the draining stage, the circulation pump 93 is operated, the washing water is fed into the centrifugal separator 94 from the separator outflow port 942 through a first switching valve 95, a circulation pump 93, a second switching valve 96, and a third switching valve 97 to flush the centrifugal separator 94, and the washing water after the centrifugal separator 94 is flushed is discharged out of the washing machine through a first opening and a second opening and closing valve 98 and a second opening and 99. However, in the above-described washing machine (laundry machine), the water path is complicated in design, and a circulation pump, a plurality of switching valves, and an on-off valve are required to be provided, which increases the manufacturing cost, and also complicates the control flow during operation, which is prone to failure. Disclosure of Invention Problems to be solved by the invention The present disclosure has been made in view of the above-described circumstances, and an object thereof is to provide a laundry treatment apparatus and a method for treating washing water, which can simplify a waterway design. Solution for solving the problem In order to achieve the above object, a first aspect of the present disclosure provides a laundry treatment apparatus including an outer tub provided in a housing of the laundry treatment apparatus, a washing tub rotatably provided in the outer tub, a centrifugal separation part for separating foreign matters contained in the washing water in the outer tub, and a water diversion structure including a housing having an inner cavity, the housing being provided with a water inlet, a circulation water outlet, a rinsing water outlet, and a rinsing return port, which are respectively communicated with the inner cavity, the laundry treatment apparatus including a circulation waterway in which the washing water in the outer tub flows from the water inlet into the water diversion structure and flows from the circulation water outlet into the centrifugal separation part, and after centrifugal separation of the foreign matters contained in the washing water, returns to the outer tub, and in which the washing water in the outer tub flows from the water inlet into the water diversion structure and flows from the rinsing water outlet into the centrifugal separation part to perform the centrifugal separation part and then flows back to the rinsing structure via the return port. According to the first technical scheme, by arranging the water diversion structure and enabling the circulating water channel and the flushing water channel to share the water diversion structure, the water channel design can be simplified, and the switching valve and the opening and closing valve can be reduced or omitted, thereby being beneficial to reducing the manufacturing cost and simplifying the control flow in the operation process. In addition, by dividing the circulation water channel and the flushing water channel at the water dividing structure, the circulation water channel and the flushing water channel can be designed differently as required, and for example, different foreign matter filtering requirements can be satisfied by adding different filtering parts to the circulation water channel and the flushing water channel. A second aspect is the laundry machine according to the first aspect, wherein the casing is provided with a drain port communicating with the inner chamber, the laundry machine includes a drain water path in which the washing water in the outer tub flows into the water dividing structure from the water inlet, and is discharged from the drain port to the outside of the laundry machine. According to the second technical scheme, the water diversion structure is shared by the circulating water channel, the flushing water channel and the draining water channel, so that t