WO2022245036A1 - Lave-vaisselle - Google Patents

Lave-vaisselle Download PDF

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Publication number
WO2022245036A1
WO2022245036A1 PCT/KR2022/006673 KR2022006673W WO2022245036A1 WO 2022245036 A1 WO2022245036 A1 WO 2022245036A1 KR 2022006673 W KR2022006673 W KR 2022006673W WO 2022245036 A1 WO2022245036 A1 WO 2022245036A1
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WO
WIPO (PCT)
Prior art keywords
motor
cover
washing
dishwasher
filter
Prior art date
Application number
PCT/KR2022/006673
Other languages
English (en)
Korean (ko)
Inventor
이원준
김수연
김미영
손수현
Original Assignee
엘지전자 주식회사
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 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2022245036A1 publication Critical patent/WO2022245036A1/fr

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4202—Water filter means or strainers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4251—Details of the casing
    • A47L15/4274—Arrangement of electrical components, e.g. control units or cables
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4276—Arrangements to detect or remove bad smells or odours
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4278—Nozzles
    • A47L15/428—Rotary nozzles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/24—Apparatus using programmed or automatic operation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a dishwasher, and more particularly, to a cover that opens and closes a drain hole.
  • a dishwasher is a device that sprays washing water and steam on an accommodated washing object to remove foreign substances attached to the washing object.
  • the dishwasher includes a washing tank in which a washing object is accommodated and washing water is sprayed, and a sump disposed below the washing tank and collecting the washing water sprayed toward the washing object.
  • a drain port communicating with the sump is formed at a lower portion of the washing tank, and a filter through which washing water introduced through the drain port passes is disposed inside the sump.
  • Korean Publication No. 20-2009-0001289 discloses a cover that opens and closes the drain hole of the sump, but there is a problem in that the washing water is not smoothly circulated due to the cover excessively blocking the drain hole.
  • An object to be solved by the present invention is to provide a dishwasher with improved sanitary conditions in the washing tub.
  • Another object of the present invention is to provide a dishwasher in which a drain cover can be easily opened and closed.
  • Another object of the present invention is to provide a dishwasher equipped with a drain cover equipped with a sterilization function.
  • Another object of the present invention is to provide a dishwasher equipped with a drain cover that does not hinder the circulation of washing water.
  • Another object of the present invention is to provide a dishwasher in which a filter can be easily taken out.
  • a dishwasher includes a washing tub in which a space for receiving a washing object is formed and washing water is sprayed; a spray arm for spraying washing water into the washing tub; a sump disposed below the washing tub and having a drain port communicating with the space; and a filter disposed in the sump and through which washing water flowing into the drain hole passes.
  • the dishwasher may include a cover movably disposed on the drain hole and opening and closing the drain hole; And including a motor that provides power to move the cover, it is possible to selectively open and close the drain hole by moving the cover.
  • the dishwasher may include a filter housing accommodating the filter and forming the drain hole; a first gear connected to the motor; and a first rack extending downward from the cover and meshing with the first gear at an outside of the filter housing.
  • the dishwasher may include a second motor disposed outside the filter housing; a second gear connected to the second motor; a second rack engaged with the second gear and moved vertically by driving the second motor; and a hinge shaft disposed on an edge of the cover and extending in a horizontal direction, so that the cover can be rotated around the hinge shaft as a rotation center.
  • the second rack may be moved upward by driving the second motor to push the rim upward.
  • An upper end of the second rack that is in contact with the cover may be inclined downward toward an outer side of the cover in a radial direction, so that the second rack and the cover may be smoothly contacted.
  • the first rack may extend in a vertical direction and may have a groove through which the second rack passes, so that the vertical movement of the second rack may be guided.
  • the dishwasher may include a third motor disposed below the filter housing; a third gear engaged with the third motor; and a supporter on which the filter is seated and engaged with the third gear.
  • the supporter may include a support plate on which the filter is seated; and a third rack extending downward from the support plate and engaging with the third gear.
  • the spray arm may include a spray tube through which washing water is sprayed; a hub extending downward from the injection tube and providing a rotation axis of the injection tube; and a stopper coupled to the hub.
  • the dishwasher may include a holder disposed outside the hub, moved closer to or farther from the hub, and coupled to the stopper; and a fourth motor providing power to move the holder.
  • the cover may include a lamp for irradiating ultraviolet light toward the filter.
  • the dishwasher may further include a controller that controls driving of the motor, the second motor, the third motor, and the lamp.
  • the controller controls the motor, the second motor, and the third motor so that the second motor is driven after the driving of the motor is stopped, and the third motor is driven after the driving of the second motor is stopped. can do.
  • the dishwasher may further include a block that surrounds the filter housing and supports the motor, the second motor, and the third motor.
  • the controller may control the motor to move the first rack upward when washing water is sprayed from the spray arm.
  • the dishwasher may include a cabinet accommodating the washing tub and having an opening formed therein; And it may further include a door that opens and closes the opening.
  • the controller may control the motor to move the first rack downward when the door opens the opening.
  • the dishwasher may further include a control panel disposed on the door and electrically connected to the controller.
  • the controller controls the motor to move the first rack upward, controls the second motor to rotate the cover, and moves the filter upward.
  • the third motor may be controlled.
  • the controller may control the lamp to emit ultraviolet light when the door opens the opening and the cover closes the drain hole.
  • the controller may control the lamp so that UV light is not irradiated when the cover is rotated to open the drain hole.
  • the controller may control the fourth motor to engage the holder with the stopper when a predetermined signal is transmitted from the control panel.
  • a dishwasher includes a washing tub in which a space for receiving a washing object is formed and washing water is sprayed; a spray arm for spraying washing water into the washing tub; a sump disposed below the washing tub and having a drain port communicating with the space; a filter disposed in the sump and through which washing water flowing into the drain hole passes; a cover movably disposed on the drain hole and opening and closing the drain hole; a water tank disposed in the sump and having a level of washing water introduced into the drain hole; The cover may be moved by a guide extending from the cover into the water tank and moving up and down according to the water level in the water tank.
  • the dishwasher may include a tunnel protruding from an inner wall of the sump and through which the guide passes; a first coupling member disposed on the guide; and a second coupling member disposed on the cover and detachable from the first coupling member.
  • FIG. 1 is a perspective view of a dishwasher according to an embodiment of the present invention.
  • FIG. 2 is a longitudinal sectional perspective view of a dishwasher according to an embodiment of the present invention.
  • FIG. 3 is an internal structure diagram of a dishwasher according to an embodiment of the present invention.
  • FIG. 4 is a perspective view of an opening and closing device according to an embodiment of the present invention.
  • FIG. 5 is a front view of an opening and closing device according to an embodiment of the present invention.
  • FIG. 6 is a partially enlarged view of the opening and closing device before lifting the cover according to an embodiment of the present invention.
  • FIG. 7 is a partially enlarged view of the opening and closing device after the cover is lifted according to an embodiment of the present invention.
  • FIG. 8 is a partially enlarged view of an opening and closing device before rotating a cover according to an embodiment of the present invention.
  • FIG 9 is a partially enlarged view of the opening and closing device after the cover is rotated according to an embodiment of the present invention.
  • FIG. 10 is a partially enlarged view of the opening and closing device before the filter rises according to an embodiment of the present invention.
  • FIG. 11 is a partially enlarged view of the opening and closing device before the filter rises according to an embodiment of the present invention.
  • FIG. 12 is a partially enlarged view of the opening and closing device after the filter is raised according to an embodiment of the present invention.
  • FIG. 13 is a structural diagram of an internal sump after a cover is raised according to another embodiment of the present invention.
  • FIG. 14 is an internal structure diagram of a sump before a cover is raised according to another embodiment of the present invention.
  • 15 is a diagram illustrating a fixing structure of a spray arm according to an embodiment of the present invention.
  • 16 is a diagram explaining the operation of the opening and closing device according to an embodiment of the present invention.
  • 17 is a control block diagram of an opening and closing device according to an embodiment of the present invention.
  • 1 shows the overall appearance of the dishwasher 1.
  • the dishwasher 1 includes a cabinet 10 in which a washing tub 100 (see FIG. 2 ) for accommodating objects to be washed is formed, and a door 20 disposed in front of the cabinet 10 .
  • the cabinet 10 may form the outer shape of the dishwasher 1 and may have a rectangular column shape.
  • the front of the cabinet 10 may be opened, and a washing object may be introduced into the washing tub 100 through the opening 10s (see FIG. 3) of the cabinet 10.
  • the door 20 may open or close the opening 10s of the cabinet 10 .
  • the door 20 may close the opening 10s to seal the washing tub 100 and open the opening 10s to communicate the washing tub 100 with the outside of the cabinet 10 .
  • the door 20 includes a door body 21 forming the exterior of the door 20, a lower door 22 connected to the lower side of the door body 21, and the door body 21 and the lower door 22. It may include a link 23 connecting the.
  • the door body 21 may be moved forward using the link 23 as a rotation axis.
  • the door body 21 is moved forward using the rotational axis of the link 23 to open the opening 10s of the cabinet 10 .
  • the washing space 100S of the washing tub 100 may communicate with the outside of the cabinet 10 .
  • the lower door 22 may be fixed to the cabinet 10 .
  • the lower door 22 may be fixed to the cabinet 10 even when the door body 21 moves forward.
  • the link 23 may be rotatably connected to the lower door 22 .
  • the link 23 can connect the door body 21 and the lower door 22 and rotate the door body 21 .
  • the door 20 may be configured as a single door body 21 without the lower door 22 and the link 23. In this case, the door 20 is rotated around the hinge 24 disposed inside the door 20 to communicate the washing space 100S with the outside or to seal the washing space 100S.
  • the dishwasher 1 may include a control panel 30 connected to an upper side of the door 20 .
  • the control panel 30 may be a display capable of displaying driving information of the dishwasher 1 and selecting an operation course of the dishwasher 1 .
  • the control panel 30 may be connected to the door 20 to form a front surface of the door 20 .
  • the control panel 30 is connected to the door body 21 and can move forward together with the door body 21 .
  • the control panel 30 may be moved forward to open the opened portion of the cabinet 10 . When the control panel 30 is moved forward to open the opened portion, the washing space 100S may communicate with the outside of the cabinet 10 .
  • the control panel 30 may include a button 31 for operating an opening/closing device 300 to be described later.
  • the button 31 may be electrically connected to a controller 260 to be described later, and may transmit an electrical signal to the controller 260 .
  • a user may operate the opening/closing device 300 by pressing the button 31 .
  • the user may press the button 31 to move the cover 310 to open the drain port 210s and manipulate the filter 211 to rise.
  • the user places the filter 211 in the sump 210, presses the button 31 to lower the filter 211, and moves the cover 310 to drain the drain 210s. can be manipulated to close.
  • FIG. 2 is a view of the dishwasher 1 shown in FIG. 1 as viewed from the side by cutting it up and down.
  • washing tub 100 In the washing tub 100, a washing target is accommodated and washing water is sprayed.
  • the washing tub 100 is disposed inside the cabinet 10 and forms a washing space 100S in which a washing target is accommodated.
  • a driving unit 200 for circulating washing water is disposed at the lower side of the washing tub 100.
  • the driving unit 200 may be disposed inside the cabinet 10 .
  • the driving unit 200 forms a driving space 200S in which structures for circulation of washing water, which will be described later, are disposed.
  • an upper rack 110 on which a washing object is seated and a lower rack 120 disposed below the upper rack 110 and on which a washing object is seated may be disposed.
  • a plurality of spray tubes 150 , 160 , and 170 may be disposed inside the washing tub 100 to spray washing water toward washing objects seated on the upper rack 110 and the lower rack 120 .
  • the injection tubes 150 , 160 , and 170 may have a bar shape extending in the width direction of the racks 110 and 120 and may have a rotation shaft extending in the width direction of the racks 110 and 120 .
  • the injection tubes 150, 160, and 170 may have a cross shape formed by crossing two types of frames arranged side by side with the racks 110 and 120, and may have a rotation shaft extending in the vertical direction.
  • the injection tubes 150 , 160 , and 170 may have a tube shape and may be disposed below the upper rack 110 or below the lower rack 120 .
  • the injection tubes 150, 160, and 170 may have a cross-shaped shape and may be referred to as "a spray rock".
  • the plurality of injection tubes 150, 160, and 170 include a lower injection tube 150 disposed below the lower rack 120 and an upper injection tube disposed between the upper rack 110 and the lower rack 120 ( 160) and a top spray tube 170 disposed above the upper rack 110.
  • the lower injection tube 150 and the upper injection tube 160 may be referred to as “injection arms”.
  • Each of the plurality of injection tubes 150 , 160 , and 170 may receive washing water from the washing pump 220 .
  • a first injection pipe 130 and a second injection pipe 140 extending from the driving unit 200 may be disposed.
  • the first injection pipe 130 extends upward from the switching valve 240 and may extend toward the upper injection tube 160 .
  • the second injection pipe 140 extends upward from the switching valve 240 and may extend toward the top injection tube 170 .
  • the upper injection tube 160 may be connected to the first injection pipe 130 and receive washing water through the first injection pipe 130 .
  • the top spray tube 170 is connected to the second spray pipe 140 and can receive washing water through the second spray pipe 140 .
  • the dishwasher 1 may not include the first injection pipe 130 and the second injection pipe 140, but only a single second injection pipe 140. have.
  • the upper injection tube 160 and the top injection tube 170 are connected to the second injection pipe 140, respectively, so that washing water may be supplied through the second injection pipe 140.
  • the washing water introduced into the second injection pipe 140 through the switching valve 240 may be distributed to the upper injection tube 160 and the top injection tube 170, respectively.
  • the lower injection tube 150 is connected to the switching valve 240 and can receive washing water through the switching valve 240 .
  • the lower spray tube 150 may be rotatably disposed in the washing tub 100 and may be rotated using an upper and lower shaft as a rotation shaft to spray washing water toward the lower portion of the lower rack 120 .
  • the lower injection tube 150 may include a plurality of lower injection nozzles 151 .
  • the lower spray nozzle 151 may open toward the washing space 100s and spray washing water toward the lower rack 120 .
  • the upper spray tube (spray arm) 160 may be rotatably disposed in the washing tub 100 and may be rotated using an upper and lower shaft as a rotation shaft to spray washing water to the lower portion of the upper rack 110 .
  • the upper injection tube 160 may include a plurality of upper injection nozzles 161 .
  • the upper spray nozzle 161 may open toward the washing space 100s and spray washing water toward the upper rack 110 and the deodorizing device 300 .
  • the lower injection nozzle 151 and the upper injection nozzle 161 may be referred to as “injection nozzles”.
  • the top spray tube 170 may be rotatably disposed on the upper side of the washing tub 100, and may evenly spray the washing water toward the inside of the washing tub 100.
  • a steam spray nozzle 180 for supplying steam into the washing tank 100 is disposed.
  • the steam spray nozzle 180 may be disposed in front of the washing tub 100 adjacent to the door 20 .
  • the steam spray nozzle 180 may be disposed to face the lower rack 120 .
  • the steam injection nozzle 180 may be connected to the washing pump 220 of the driving unit 200 to receive steam generated by the washing pump 220 .
  • the washing space 100S may be defined as a space in which a washing object, a plurality of injection tubes 150, 160, and 170, and a steam nozzle 180 are disposed, and the driving space 200S is a portion of the washing space 100S. It may be defined as a space for circulation of washing water formed on the lower side.
  • the driving unit 200 includes a sump 210 for collecting the washing water sprayed toward the washing space 100S, a washing pump 220 for extruding the washing water collected in the sump 210 toward the washing tank 100, and a washing A heater 230 connected to the pump 220 to heat the washing water flowing in the washing pump 220, a switching valve 240 distributing the washing water extruded from the washing pump 220, and collecting water in the sump 210
  • a drain pump 250 extruding the washed water out of the cabinet 10 may be included.
  • the sump 210 may include a filter 211 that filters foreign substances contained in the collected washing water.
  • the sump 210 may be connected to an external water source (not shown) through a water supply pipe 213 and may receive washing water from an external water source (not shown).
  • a water supply valve 214 for adjusting the flow rate of washing water in the water supply pipe 213 may be disposed in the water supply pipe 213 .
  • the washing pump 220 may be connected to the sump 210 through a pump inlet pipe 223 . Washing water collected into the sump 210 may flow into the washing pump 220 through the pump inlet pipe 223 when the washing pump 220 is operated.
  • the heater 230 may heat the washing water introduced into the washing pump 220 to generate hot water or steam.
  • the heater 230 may be disposed below the washing pump 220 and may be integrally manufactured with the washing pump 220 .
  • Washing water in a warm water state heated by the washing pump 220 may flow into the switching valve 240 through the pump discharge pipe 234 .
  • the washing water introduced into the switching valve 240 may be distributed to the spray arm 150 , the first distribution pipe 130 and the second distribution pipe 140 .
  • the switching valve 240 may selectively flow the introduced washing water to any one of the spray arm 150 , the first distribution pipe 130 and the second distribution pipe 140 .
  • Washing water in a steam state heated by the washing pump 220 may flow to the steam nozzle 180 through the steam nozzle inlet pipe 183 .
  • the steam nozzle 180 may be connected to the washing pump 220 through the steam nozzle inlet pipe 183 and receive steam from the washing pump 220 .
  • the drain pump 250 may be connected to a drain pipe 254 extending to the outside of the cabinet 10 . Washing water collected inside the sump 210 may be extruded by the drain pump 250 and discharged to the outside of the cabinet 10 through the drain pipe 254 .
  • a dispenser 190 supplying detergent to the inside of the washing tub 100 may be disposed in the washing space 100s.
  • the dispenser 190 may be coupled to the door 20 .
  • a cover 310 is disposed to open and close a drain port 210s to be described later.
  • the cover 310 opens the drain hole 210s to allow the washing water in the washing tub 100 to flow into the sump 210, and closes the drain hole 210s to allow the washing water in the washing tub 100 to flow into the sump 210. can block it from happening.
  • the dishwasher 1 may include a controller 260 that controls an opening/closing device 300 to be described later.
  • the controller 260 may control the operation of the motors 331 , 341 , 351 , and 361 and the lamp 312 .
  • the controller 260 may be disposed within the driving space 200s and may be electrically connected to the opening/closing device 300 and the control panel 30 .
  • 3 shows the internal structure of the washing space 100s with the door 20 opened.
  • 3 shows a simplified internal structure to show the relative position of the cover 310 within the washing space 100s.
  • the door 20 can be rotated from the cabinet 10 to open the opening 10s.
  • a rack 120 on which a washing object is seated may be disposed.
  • spray arms 150 and 160 for spraying washing water toward the washing object are disposed.
  • the lower spray arm 150 may be disposed on the lower plate 101 of the washing tub 100.
  • the lower plate 101 may form a lower boundary of the washing space 100s.
  • the drain hole 210s may be formed in the lower plate 101 .
  • the drain hole 210s may communicate the washing space 100s and the inside of the sump 210 .
  • the washing water sprayed from the spray arms 150 and 160 may flow into the sump 210 through the drain hole 210s after washing the object to be washed.
  • the drain hole 210s may be located between the lower spray arm 150 and the door 20 .
  • the cover 310 may be disposed in the drain hole 210s.
  • the cover 310 may be disposed above the drain hole 210s.
  • the cover 310 may open and close the drain port 210s.
  • the cover 310 may be positioned between the lower spray arm 150 and the door 20 .
  • FIG. 4 shows the opening/closing device 300 viewed obliquely from above
  • FIG. 5 shows the opening/closing device 300 viewed from the front.
  • the opening/closing device 300 may include a cover 310 movably disposed on the drain hole 210s and a block 320 supporting motors 331, 341, and 351 to be described later. have.
  • the cover 310 may be disposed above the sump 210 and may be disposed above the lower plate 101 .
  • the cover 310 may be moved upward and downward from the top surface of the lower plate 101 .
  • the cover 310 may be rotated around a rotation axis extending in a horizontal direction.
  • the cover 310 may be moved upward to open the drain hole 210s, and may be moved downward to close the drain hole 210s.
  • the cover 310 may be rotated and stand upright.
  • the cover 310 may stand up to completely open the drain port 210s, and the filter 211 may be placed in a withdrawable state.
  • the sump 210 may include a filter housing 212 forming an external shape and forming a space in which the filter 211 is accommodated.
  • the filter housing 212 may have a cylindrical shape, and a drain hole 210s may be formed thereon. The washing water flowing from the washing space 100s to the drain hole 210s may flow into the filter housing 212 .
  • the filter 211 may include a grip 211a extending along the circumferential direction of the filter 211 .
  • the grip 211a may be formed in an annular shape. In a state in which the cover 310 is completely opened, the user may draw the filter 211 out of the sump 210 by gripping the grip 211a.
  • the cover 310 may include a lamp 312 for irradiating ultraviolet light.
  • the lamp 312 may be disposed on the lower surface of the cover 310 .
  • the lamp 312 may irradiate ultraviolet light toward the inside of the sump 210 in a state in which the cover 310 closes the drain port 210s.
  • the ultraviolet light irradiated from the lamp 312 may sterilize the inside of the sump 210 and the filter 211 .
  • the arrangement position of the lamp 312 is not limited to the lower surface of the cover 310 and may be placed in various positions.
  • the lamp 312 may be disposed on an inner wall of the sump 210 or may be attached to the filter 211 .
  • the lamps 312 may be disposed in various positions capable of irradiating ultraviolet light to the inner space of the sump 210 .
  • the opening and closing device 300 includes a first unit 330 that moves the cover 310 up and down, a second unit 340 that rotates the cover 310, and a filter 211. It may include a third unit 350 for moving in the vertical direction.
  • the first unit 330 may be disposed above the second unit 340 and the third unit 350 .
  • the second unit 340 may be disposed above the third unit 350 .
  • the first unit 330 includes a motor 331 that provides power so that the cover 310 moves in the vertical direction, a first gear 332 connected to the motor 331, and a downward direction from the cover 310. It may include a first rack 333 that extends and engages with the first gear 332 from the outside of the filter housing 212 .
  • the motor 331 may be seated on the upper side of the block 320 and may be supported by the block 320 .
  • the motor 331 may be disposed outside the filter housing 212 .
  • the motor 331 may be referred to as a “first motor 331” to distinguish it from the second motor 341 and the third motor 351.
  • the second unit 340 includes a second motor 341 disposed outside the filter housing 212, a second gear 342 connected to the second motor 341, and a second gear 342. It may include a second rack 343 that is engaged and moved in the vertical direction by driving the second motor 341 .
  • the second motor 341 may be disposed below the block 320 and may be supported by the block 320 .
  • the second motor 341 may provide power for rotating the cover 310 .
  • the third unit 350 includes a third motor 351 disposed below the filter housing 212, a third gear 352 (see FIG. 11) connected to the third motor 351, and a filter ( 211) may include a supporter 353 engaged with the third gear 352.
  • the third motor 351 may be disposed below the block 320 and supported by the block 320 .
  • the third motor 351 may provide power for the filter 211 to move in the vertical direction.
  • FIG. 6 is an enlarged view of the first unit 330 before the cover 310 is lifted
  • FIG. 7 is an enlarged view of the first unit 330 after the cover 310 is lifted.
  • the first motor 331 may be seated on the block 320 .
  • the first motor 331 may be fixed to the block 320 .
  • the block 320 may include a base plate 321 disposed outside the sump 210 to surround the sump 210 and a first block 322 protruding upward from the base plate 321. .
  • the first motor shaft 331a of the first motor 331 may pass through the first block 322 .
  • the first gear 332 may be connected to and rotated with the first motor shaft 331a of the first motor 331 penetrating the first block 322 .
  • the first rack 333 includes a first body 333a extending vertically, a first engagement portion 333b protruding from the first body 333a and having a plurality of gear teeth, A connector 333c connecting the body 333a to the cover 310 may be included.
  • the first body 333a, the first engagement portion 333b, and the connector 333c may be integrally formed.
  • the first body 333a may be vertically disposed along the outer wall of the filter housing 212 .
  • the first meshing portion 333b may protrude outward from the filter housing 212 in the radial direction and engage with the first gear 332 .
  • the first meshing portion 333b may include a plurality of gear teeth spaced apart from each other in the vertical direction, and may be moved in the vertical direction by rotation of the first gear 332 .
  • the connector 333c may connect the first rack 330 to the cover 310 .
  • the hinge shaft 315 extending in the horizontal direction and rotatably disposed on the cover 310 may pass through the connector 333c and may be rotated within the connector 333c.
  • the block 320 may include a second block 323 and a third block 324 protruding upward from the base plate 321 .
  • the second block 323 and the third block 324 may be horizontally spaced apart from each other.
  • the first rack 333 may be disposed between the second block 323 and the third block 324 .
  • the first rack 333 may move vertically between the second block 323 and the third block 324 .
  • the second block 323 and the third block 324 can guide the movement path of the first rack 333 and prevent the first rack 333 from shaking.
  • the first rack 333 is limited in movement in the horizontal direction by the second block 323 and the second block 324, and limited inward in the radial direction by the outer wall of the filter housing 212, Movement outward in the radial direction may be limited by the first gear 332 .
  • the first rack 333 When the first gear 332 is rotated by driving the first motor 331, the first rack 333 may be moved upward.
  • the first rack 333 may be exposed above the upper end 210a of the sump 210 .
  • the first rack 333 may move upward to form a protrusion 333s protruding upward from the sump 210 .
  • the protrusion 333s may refer to a portion of the first rack 333 exposed to the upper side of the sump 210 .
  • the first rack 333 may be moved upward to move the cover 310 upward.
  • the cover 310 may be moved upward by the first rack 333 to form a gap G1 between the cover 310 and the sump upper end 210a.
  • the cover 310 may be supported by the first rack 333 and may be moved upward to maintain the gap G1.
  • the drain port 210s may be opened.
  • the washing water sprayed into the washing space 100s may flow into the sump 210 through the drain hole 210s between the cover 310 and the upper part 210a of the sump.
  • FIGS. 8 and 9 are enlarged views of the second unit 340 before the cover 310 is rotated
  • FIG. 9 is an enlarged view of the second unit 340 after the cover 310 is rotated.
  • the second motor 341 may be disposed below the block 320 and may be supported by the block 320 .
  • the second motor 341 may be fixed to the base plate 321 .
  • the block 320 may include a fourth block 326 protruding downward from the base plate 321 .
  • the second motor shaft 341a of the second motor 341 may pass through the fourth block 326 .
  • the second gear 342 may be connected to and rotated with the second motor shaft 341a penetrating the fourth block 326 .
  • the second rack 343 may include a second body 343a extending vertically and a second engagement portion 343b protruding from the second body 343a.
  • the second body 343a and the second engagement portion 343b may be integrally formed.
  • the second body 343a may be disposed in the recess 333d of the first rack 333.
  • the second body 343a may move up and down within the groove 333d.
  • the second body 343a may be guided along a movement path by the first rack 333 within the groove 333d.
  • the second meshing portion 343b may include a plurality of gear teeth that protrude from the second body 343a and are spaced apart from each other in the vertical direction.
  • the second meshing portion 343b may be engaged with the second gear 342 and may be moved vertically by rotation of the second gear 342 .
  • the second rack 343 may include an edge 343c that forms an upper end of the second rack 343 and is moved upward to contact the cover 310 .
  • the edge 343c may be inclined downward toward the outer side of the cover 310 in the radial direction.
  • the edge 343c may form a downward inclination angle ⁇ with respect to the horizontal direction.
  • the lower surface 313 of the cover 310 may come into contact with the edge 343c and be pushed upward by the edge 343c.
  • the lower surface 313 of the cover 310 includes an edge 313b in contact with the edge 343c, a rim portion 313a positioned radially outside the edge 313b, and a radially inner side of the edge 313b.
  • a loop 313c may be included.
  • a lamp 312 may be disposed in the loop 313c.
  • the rim portion 313a, the rim 313b, and the loop 313c may be integrally formed.
  • the rim 313b may obliquely extend upward from the loop 313c toward the rim portion 313a.
  • the edge 313b may be formed in an annular shape, and may be inclined upward toward an outer side in a radial direction of the cover 310 .
  • edge 343c and the edge 313b are inclined, when the edge 343c and the edge 313b come into contact and the edge 313b is pushed upward, the edge 343c and the edge 313b contact each other. The state can be maintained smoothly, and slipping between the edge 343c and the edge 313b can be prevented.
  • the second meshing portion 343b may move the second body 343a upward by rotation of the second gear 342 .
  • the edge 343c comes into contact with the edge 313b to push the cover 310 upward.
  • the second body 343a may move up and down within the groove 333d formed in the first rack 333.
  • the connector 333c includes a connecting body 333c1 extending in the vertical direction, a first protrusion 333c2 protruding from the connecting body 333c1 to the inside of the cover 310 in the radial direction, and a first protrusion 333c2 extending from the connecting body 333c1.
  • a second protrusion 333c3 protruding in a direction opposite to the first protrusion 333c2 may be included.
  • the connecting body 333c1 may mean an upper end of the first body 333a.
  • the first protrusion 333c2 may interfere with the filter 211 when the first rack 333 moves downward.
  • the first protrusion 333c2 may interfere with the grip 211a to limit the downward movement of the first rack 333 .
  • the cover 310 may include a hinge protrusion 314 protruding from the lower surface 313 of the cover 310 and through which the hinge shaft 315 passes.
  • the hinge protrusion 314 may protrude downward from the rim 313b.
  • the hinge shaft 315 may be rotatably inserted into the hinge protrusion 314 .
  • the hinge shaft 315 may rotate within the hinge protrusion 314 .
  • the hinge protrusion 314 and the second protrusion 333c3 may be connected through a hinge shaft 315 .
  • the hinge shaft 315 can pass through the hinge protrusion 314 and the second protrusion 333c3 at the same time, and can be rotated within the hinge protrusion 314 and the second protrusion 333c3.
  • the cover 310 and the first rack 333 may be rotatably connected through a hinge shaft 315 .
  • the hinge shaft 315 may pass through the hinge protrusion 314 and the second protrusion 333c3 to rotatably couple the cover 310 to the first rack 333 .
  • the edge 343c comes into contact with the edge 313b and the cover 310 can be pushed upward.
  • the first rack 333 and the cover 310 rotatably coupled through the hinge shaft 315 can be pushed upward by the second rack 343 and rotated about the hinge shaft 315 at the same time. have.
  • FIGS. 10 to 12 are views of the opening/closing device 300 viewed from the lower side
  • FIG. 11 is a perspective view of the third unit 350 with the fixing block 325 removed
  • FIG. 12 shows the fixing block 325 removed. In this state, the filter 211 is lifted and seen through.
  • the third unit 350 may be disposed below the filter housing 212 .
  • the third unit 350 may be located below the lower end 212a of the filter housing 212 .
  • the block 320 may include a fixing block 325 protruding downward from the base plate 321 and surrounding a lower portion of the filter housing 212 .
  • the fixing block 325 may be disposed across the lower end 212a of the filter housing 212 .
  • the third unit 350 includes a third motor 351 that provides power, a third gear 352 connected to the third motor 351, and a filter 212 seated and a third gear 352 It may include a supporter 353 engaged with.
  • the third motor 351 may be disposed below the filter housing 212 and may be fixed to the lower end 212a of the filter housing 212 .
  • the third unit 350 may include a support block 325a fixed to the fixing block 325 through which a motor shaft (not shown) of the third motor 350 passes.
  • the third gear 352 may be connected to and rotated with a motor shaft (not shown) of the third motor 351 .
  • the support block 325a may be disposed between the third motor 351 and the third gear 352 .
  • the supporter 353 may include a support plate 353a on which the filter 211 is seated, and a third rack 353b extending downward from the support plate 353a and engaging with the third gear 352 .
  • the lower end 212a of the filter housing 212 may have an annular shape, and the support plate 353a may have a disc shape.
  • the support plate 353a may move up and down inside the filter housing 212 .
  • the third rack 353b may extend downward from the lower surface of the support plate 353a.
  • the third rack 353b may include a plurality of gear teeth spaced apart from each other in the vertical direction.
  • the third rack 353b may be engaged with the third gear 352 and may be moved vertically by rotation of the third gear 352 .
  • the supporter 353 meshed with the third gear 352 may move up and down.
  • the filter 211 seated on the upper side of the supporter 353 may move in the vertical direction.
  • the supporter 353 may be moved upward by driving the third motor 351 to form a gap G2 with the lower end 212a of the filter housing 212 .
  • the supporter 353 may lift the filter 211 upward by the distance G2.
  • FIGS. 13 and 14 show a state in which the cover 410 is raised according to another embodiment
  • FIG. 14 shows a state in which the cover 410 is lowered according to another embodiment
  • 13 and 14 show the internal structure of the sump 210 in perspective.
  • the opening and closing device 400 includes a cover 410 movably disposed in a drain hole 210s and opening and closing the drain hole, and washing water disposed in a sump 210 and flowing into the drain hole 210s. It includes a water tank 420 in which a water level of , and a guide 430 extending from the cover 410 into the water tank 420 .
  • the cover 410 may open and close the drain hole 210s and may be disposed above the sump 210 .
  • the cover 410 may be integrally formed with the filter 211 .
  • the cover 410 may move up and down together with the filter 211 .
  • the water tank 420 may be disposed inside the sump 210 and supported by the filter housing 212 .
  • the water tank 420 may be disposed under the sump 210, and the water level of washing water introduced through the drain hole 210s may be determined.
  • the water tank 420 may include a drain hole 421 communicating the inside of the water tank 420 and the inside of the sump 210 .
  • the drain hole 421 may be opened on a sidewall of the water tank 420 . Washing water flowing into the water tank 420 may flow out of the water tank 420 through the drain hole 421 .
  • the guide 430 may be connected to the cover 410, extend downward from the cover 410, and at least partially submerged in the water tank 420. At least a portion of the lower end of the guide 430 may be moved vertically inside the water tank 420 .
  • the opening and closing device 400 may include a tunnel 440 through which the guide 430 passes.
  • the tunnel 440 may protrude from the inner wall of the sump 210 .
  • the tunnel 440 may protrude into the sump 210 from the inner surface of the filter housing 212 .
  • the guide 430 may extend vertically from the cover 410 toward the water tank 420 and pass through the tunnel 440 .
  • the tunnel 440 may guide the vertical movement of the guide 430 and may limit the horizontal movement of the guide 430 .
  • the water tank 420 , the guide 430 , and the tunnel 440 may be disposed between the filter housing 212 and the filter 211 .
  • the filter 211 may be spaced apart inside the filter housing 212 .
  • a separation space 212s may be formed between the filter 211 and the filter housing 212 .
  • the water tank 420, the guide 430, and the tunnel 440 may be disposed in the separation space 212s.
  • the guide 430 may be detachable from the cover 410 .
  • the cover 410 may be selectively detachable from the guide 430 .
  • the opening and closing device 400 may include a first coupling member 431 disposed on the guide 430 and a second coupling member 411 disposed on the cover 410 and detachable from the first coupling member 431.
  • the first coupling member 431 may be disposed at an upper end of the guide 430 and may be integrally formed with the guide 430 .
  • the second coupling member 411 may protrude downward from the lower surface of the cover 410 and may be integrally formed with the cover 410 .
  • the first coupling member 431 and the second coupling member 411 may be magnetic materials having opposite polarities.
  • the first coupling member 431 and the second coupling member 411 may be attached or detached from each other by magnetism.
  • various methods such as a hook fastening method or a screw method may be used instead of magnetism.
  • the user can separate the upwardly moved cover 410 and the filter 211 from the guide 430 and take them out of the sump 210 .
  • washing water in the washing space 100s flows into the sump 210 through the drain hole 210s.
  • Washing water introduced into the sump 210 forms a water level inside the sump 210, and some flows into the water tank 420 to form a water level inside the water tank 420.
  • the guide 430 located inside the water tank 420 floats upward by buoyancy generated by the washing water formed inside the water tank 420 .
  • the cover 410 is pushed upward by the guide 430 moved upward, and the filter 211 integrated with the cover 410 is also moved upward.
  • the cover 410 may be moved upward by the guide 430 to be spaced apart from the upper side of the lower plate 101 and may form a gap G1 between the cover 410 and the lower plate 101 . Since the cover 410 is spaced apart from the upper side of the lower plate 101, the drain hole 210s can be opened, and washing water can flow into the sump 210 through the drain hole 210s. The washing water introduced into the sump 210 is introduced into the washing pump 220 through the pump inlet pipe 219 and is recycled into the washing tank 100 .
  • the washing water inside the water tank 420 may flow out of the water tank 420 through the drain hole 421. have.
  • the water level inside the water tank 420 may be lowered, and the guide 430 floating by the buoyancy generated by the washing water formed inside the water tank 420 may be moved downward.
  • the cover 410 connected to the guide 430 moves downward along with the guide 430 as the guide 430 descends. The cover 410 may move downward to come into contact with the lower plate 101 and close the drain hole 210s.
  • 15 is a perspective view of a structure in which the lower injection arm 150 is fixed.
  • the spray arm 150 includes a first spray tube 150a through which washing water is sprayed (see FIG. 16 ) and a second spray tube 150b through which the washing water is sprayed and extending in a direction crossing the first spray tube 150a. (See FIG. 16), a hub 152 extending downward from the first injection tube 150a and the second injection tube 150b and providing a center of rotation, and a stopper 153 disposed on the hub 152 ,
  • the hub case 154 in which the hub 152 is accommodated may be included.
  • Spray nozzles 151 through which washing water is sprayed may be formed in each of the first spray tube 150a and the second spray tube 150b.
  • the first spray tube 150a and the second spray tube 150b can be rotated about the hub 152 extending in the vertical direction as a central axis, and can be supplied with washing water through the hub 152 .
  • the stopper 153 may be disposed on an outer circumferential surface of the hub 152, and a plurality of stoppers may be disposed spaced apart from each other.
  • the dishwasher 1 may include an alignment module 360 coupled to the stopper 153 to fix the spray arm 150 .
  • the alignment module 360 meshes with a fourth motor 361 that provides power, a fourth gear 362 connected to the fourth motor 361, and the fourth gear 362 to form a hub 152. It may include a fourth rack 363 extending toward the fourth rack 363 and a holder 364 disposed on the fourth rack 363 and coupled to the stopper 153 .
  • the fourth motor 361 and the fourth gear 362 may be disposed outside the hub case 154 .
  • the fourth rack 363 may pass through the hub case 154 and extend in a horizontal direction.
  • the fourth motor 361 may be fixed to the hub case 154 .
  • the fourth rack 363 may move toward the hub 152 .
  • the holder 364 may move toward the hub 152 together with the fourth rack 363 and be coupled to the stopper 153 .
  • the spray arm 150 may be fixed at a specific position by combining the holder 364 and the stopper 153 .
  • the fourth rack 363 may move in a direction away from the hub 152 .
  • the holder 364 can be moved in a direction away from the hub 152 together with the fourth rack 363 to release engagement with the stopper 153 .
  • the holder 364 and the stopper 153 may be magnetic materials having opposite polarities.
  • the holder 364 and the stopper 153 may be attached or detached by magnetism.
  • the coupling method between the holder 364 and the stopper 153 may be non-magnetic, and various methods such as a hook fastening method or a screw method may be used.
  • the opening and closing devices 300 and 400 may operate in the order of (a), (b), (c), and (d) shown in FIG. 16 .
  • each operating state is named as (a) state, (b) state, (c) state, and (d) state.
  • State (a) may be a state in which the spray arms 150 are aligned before the cover 310 is opened.
  • the door 20 may be rotated to open the opening 10s.
  • the first injection tube 150a and the second injection tube 150b may extend in directions crossing each other.
  • the first injection tube 150a and the second injection tube 150b may have a cross shape.
  • a space 150s may be formed between the first spray tube 150a and the second spray tube 150b.
  • the first injection tube 150a and the second injection tube 150b may form an angle A, and the space 150s is between the first injection tube 150a and the second injection tube 150b. It may mean a space widened by the angle (A).
  • the cover 310 may be positioned in the space 150s between the first spray tube 150a and the second spray tube 150b. Thus, interference between the cover 310 and the spray arm 150 may be eliminated in the process of opening the cover 310 .
  • the fourth motor 361 is driven before the cover 310 is opened, and the holder 364 is coupled with the stopper 153 so that the cover 310 is in the space 150s formed by the spray arm 150.
  • the spray arm 150 may be fixed to a predetermined position so as to be positioned.
  • the position where the holder 364 and the stopper 153 are coupled may be set such that the cover 310 is located in the space 150s formed by the spray arm 150 .
  • the cover 310 may be moved upward to open the drain port 210s. In the state (b), the cover 310 may be moved upward to form a gap G1 between the cover 310 and the lower plate 101 .
  • the first motor 331 is driven to move the cover 310 upward.
  • the cover 310 may be rotated to completely open the drain port 210s. (c) In the state, the cover 310 may be rotated in the B direction to expose the filter 211 to the outside.
  • the second motor 341 is driven to rotate the cover 310.
  • State (d) may be a state in which the filter 211 is moved upward and placed in a withdrawable state.
  • the filter 211 may be moved upward to form a gap G2 between the filter 211 and the lower plate 101 .
  • the lamp 312 may be in an off state.
  • the user may take out the filter 211 in the state (d) and clean the filter 211. After the cleaning of the filter 211 is finished, the user places the filter 211 in the sump 210 through the drain hole 210s, and presses the button 31 to close the drain hole 210s. ) can be manipulated.
  • FIG. 17 is a block diagram explaining the operation process of the dishwasher 1.
  • the operation process of the dishwasher (1) includes a washing process (S100) of spraying washing water into the washing tank (100), a sterilization process (S200) of irradiating ultraviolet rays into the sump (210), and a control panel (30). It may include a signal sensing step (S300) of detecting an input signal of and a withdrawal process (S400) of controlling the opening/closing device 300 so that the filter 211 is in a withdrawable state.
  • the washing process (S100) may be a process in which washing water is sprayed from the spray arms 150, 160, and 170 toward the washing object.
  • the washing cycle starting step (S110) in which the washing pump 220 is driven and the washing water is distributed to the spray arms 150, 160, and 170, and the cover 310 is driven by the opening and closing device 300. ) may include a step (S120) of rising.
  • washing water may be sprayed from the spray arms 150, 160, and 170 in the washing space 100s, and the cover 310 may be raised to open the drain port 210s.
  • the controller 260 may control the first motor 331 to lift the cover 310 during the washing operation S100.
  • the washing water injected into the washing space 100s may flow into the sump 210 through the drain hole 210s and flow toward the washing pump 220.
  • the sterilization operation (S200) may proceed after the washing operation (S100).
  • the sterilization process (S200) may include a washing process ending step (S210) in which spraying of washing water is stopped, and a step (S220) of irradiating UV light into the sump 210.
  • the controller 260 may stop the driving of the washing pump 220 to end the washing operation S100.
  • spraying of washing water through the spray arms 150 , 160 , and 170 may be stopped.
  • the controller 260 may control the first motor 331 so that the cover 310 descends when the washing operation S100 ends.
  • the controller 260 may control the first motor 331 to lower the cover 310 when the door 20 opens the opening 10s.
  • the cover 310 may be lowered to close the drain hole 210s. Accordingly, odors or foreign substances generated in the sump 210 may not flow into the washing tub 100 .
  • the controller 260 may turn on the lamp 312 when the washing operation (S100) ends.
  • the controller 260 may control the lamp 312 so that ultraviolet light is irradiated through the lamp 312 .
  • the lamp 312 may irradiate ultraviolet light into the sump 210 and sterilize the internal space of the sump 210 and the filter 211 .
  • the cover 310 closes the drain hole 210s, UV light irradiated from the lamp 312 may not leak into the washing tub 100.
  • the door 20 may be rotated to open the opening 10s, and the cover 310 allows UV light irradiated from the lamp 312 to the outside through the opening 10s.
  • the drain hole 210s may be shielded so as not to be exposed.
  • the controller 260 may detect an electrical signal input through the button 31.
  • the user may transmit a signal that cleaning of the filter 211 is required to the controller 260 by pressing the button 31 provided on the control panel 30 .
  • the controller 260 may control the opening/closing device 300 so that the sterilization operation (S200) continues.
  • the controller 260 may control the opening/closing device 300 so that the withdrawal process (S400) proceeds.
  • the spray arm 150 is aligned (S410), the cover 310 is raised (S420), the cover 310 is rotated (S430), and the filter 211 ) may include a step (S440) of rising.
  • the opening 10s may be in an open state by the rotation of the door 20.
  • the controller 260 may control the fourth motor 361 so that the cover 310 is positioned in the space 150s formed by the spray arm 150 (S410).
  • the controller 260 may control the fourth motor 361 so that the holder 364 is coupled to the stopper 153.
  • the controller 260 may turn off the lamp 312 (S420).
  • the controller 260 may control the lamp 312 so that ultraviolet light is not irradiated through the lamp 312 (S420).
  • the controller 260 may control the first motor 331 so that the cover 310 is lifted (S420).
  • the controller 260 may control the second motor 341 to rotate the cover 310 (S430).
  • the controller 260 may control the third motor 351 to move the filter 211 upward (S440).
  • the controller 260 may control the lamp 312 to irradiate ultraviolet light into the sump 210 when the door 10 opens the opening 10s and the cover 310 closes the drain hole 210s. .
  • the controller 260 may control the lamp 312 so that UV light is not irradiated when the door 10 opens the opening 10s and the cover 310 opens the drain hole 210s.
  • the user may clean the filter 211 by taking the upwardly moved filter 211 out of the cabinet 10 .
  • the user may place the filter 211 in the sump 210 and press the button 31 to operate the opening/closing device 300 .
  • the controller 260 controls the third motor 351 so that the filter 211 moves downward, and then the cover ( 310 controls the second motor 341 to rotate toward the sump 210, controls the first motor 331 so that the cover 310 descends and closes the drain hole 210s, and then controls the lamp 312 It is possible to control the lamp 312 so that ultraviolet light is irradiated from ).

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

L'invention concerne un lave-vaisselle comprenant, dans un mode de réalisation : une cuve de lavage comportant un espace destiné à recevoir des objets à laver, d'où est pulvérisée de l'eau de lavage ; un bras de pulvérisation destiné à pulvériser l'eau de lavage dans la cuve de lavage ; un puisard agencé sur le côté inférieur de la cuve de lavage et pourvu d'un drain communiquant avec l'espace ; un filtre disposé dans le puisard et par lequel passe l'eau de lavage vers le drain ; un couvercle, disposé mobile sur le drain et ouvrant/fermant le drain ; et un moteur destiné à fournir une puissance, de sorte que le couvercle se déplace, refermant ainsi de façon sélective le drain, afin d'empêcher une odeur nauséabonde de s'échapper du puisard vers la cuve de lavage.
PCT/KR2022/006673 2021-05-21 2022-05-10 Lave-vaisselle WO2022245036A1 (fr)

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KR10-2021-0065363 2021-05-21
KR1020210065363A KR20220157618A (ko) 2021-05-21 2021-05-21 식기세척기

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WO2022245036A1 true WO2022245036A1 (fr) 2022-11-24

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KR20090001289U (ko) 2007-08-01 2009-02-05 삼성전자주식회사 식기세척기

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950001964A (ko) * 1993-06-11 1995-01-04 아라이 가즈오 와이어 본딩방법 및 장치
KR950024482U (ko) * 1994-02-17 1995-09-13 식기세척기의 필터커버 자동개폐장치
KR20060031308A (ko) * 2004-10-08 2006-04-12 주식회사 대우일렉트로닉스 식기세척기
KR20110037807A (ko) * 2009-10-07 2011-04-13 신해 우수량 증감에 따른 그레이팅 안전 커버 자동개폐장치
KR20190002308U (ko) * 2018-03-08 2019-09-18 (주)테바 싱크대용 배수캡
KR20200065557A (ko) * 2018-11-30 2020-06-09 엘지이노텍 주식회사 살균 장치 및 이를 이용한 세척기

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