[go: up one dir, main page]

WO2019168379A1 - Lave-vaisselle - Google Patents

Lave-vaisselle Download PDF

Info

Publication number
WO2019168379A1
WO2019168379A1 PCT/KR2019/002435 KR2019002435W WO2019168379A1 WO 2019168379 A1 WO2019168379 A1 WO 2019168379A1 KR 2019002435 W KR2019002435 W KR 2019002435W WO 2019168379 A1 WO2019168379 A1 WO 2019168379A1
Authority
WO
WIPO (PCT)
Prior art keywords
filter
mesh
washing
water
water collecting
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2019/002435
Other languages
English (en)
Korean (ko)
Inventor
주병현
이유민
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of WO2019168379A1 publication Critical patent/WO2019168379A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • A47L15/4208—Arrangements to prevent clogging of the filters, e.g. self-cleaning
    • 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
    • A47L15/0039—Filter cleaning phases
    • 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

Definitions

  • the dishwasher is a household appliance that cleans dirt, such as food waste, which is buried in a dish or cooking utensils (hereinafter, 'to be cleaned') by high-pressure washing water sprayed from a spray arm.
  • a filter for filtering the washing water mixed with the foreign matter separated from the dishes is provided in the washing room in which the dishes are accommodated.
  • the filter removes debris from the wash water so that the filtered wash water is circulated by the wash pump and continuously wash the dishes.
  • the problem to be solved by the present invention is to solve the problem that the filter is clogged by foreign matter during the operation of the dishwasher, the washing water is not circulated smoothly.
  • Another problem to be solved by the present invention is to improve the washing effect of the dishwasher.
  • Another problem to be solved by the present invention is to provide a dishwasher capable of adjusting the filter efficiency according to the washing stroke.
  • the dishwasher in order to achieve the above object, the tub to form a washing chamber in which the washing object is accommodated, a collecting part disposed under the tub, and the wash water is collected and the collecting part
  • a sump including a sump pipe provided at one side, a washing pump through which the washing water is introduced from the collecting portion through the collecting tube, and collecting foreign substances contained in the washing water disposed in the collecting portion and introduced into the collecting portion,
  • a first mesh including a plurality of through holes and a second mesh having a plurality of through holes formed in a smaller size than the through holes of the first mesh, and rotatably provided to the first mesh or the first
  • a filter disposed so that two meshes face the sump.
  • the rotation sensor may include a switch for linearly moving the contacted part to be turned on and off, and providing a control signal to the driving motor when the contacted part moves linearly.
  • the drive motor may rotate about the first rotation axis.
  • the filter may rotate about a second axis of rotation.
  • the filter driving unit may include a connection device for transmitting the rotational force of the drive motor to the filter.
  • the washing stroke may include a first stroke and a second stroke in which the amount of foreign matter contained in the washing water of the sump is smaller than the first stroke.
  • the filter may be disposed such that the first mesh faces the water collection pipe during the first stroke, and the second mesh faces the water collection pipe during the second stroke.
  • the sump may further include a barrier wall protruding from the water collecting part toward the filter to cover a portion of the side surface of the filter.
  • the sump may include a churmari which surrounds the collection pipe and further protrudes toward the filter from the collection portion.
  • the filter rotates according to the washing stroke, and by changing the mesh passing the washing water, there is an advantage that the filter clogging phenomenon (clogging phenomenon) in the washing stroke with a lot of contaminants.
  • FIG. 1 is a schematic structural diagram of a dish washer according to an embodiment of the present invention.
  • FIG 3 is a perspective view of a partial configuration of a dish washer according to an embodiment of the present invention.
  • FIG. 7 is a bottom view of some components of the dishwasher according to one embodiment of the present invention.
  • FIG 9 is a view illustrating a filter in the dishwasher according to one embodiment of the present invention.
  • FIG. 10 is a view illustrating a filter in the dishwasher according to one embodiment of the present invention.
  • FIG. 12 is a cross-sectional view taken along line AA ′ of FIG. 7.
  • FIG. 1 is a schematic structural diagram of a dish washer according to an embodiment of the present invention.
  • the tub 12 is formed in a hexahedron shape with an open front surface to form a washing chamber 12a therein.
  • a communication hole 12c through which the washing water flows into the sump 100 is formed.
  • the washing chamber 12a is provided with a plurality of racks 16 and 17 in which washing objects are stored.
  • the plurality of racks 16 and 17 include a lower rack 16 disposed below the washing chamber 12a and an upper rack 17 disposed above.
  • the lower rack 16 and the upper rack 17 may be spaced apart from each other, and may slide out in front of the tub 12.
  • the sump 100 is disposed below the bottom 12b of the tub 12 to collect the wash water.
  • the sump 100 is connected to a water supply passage 23 through which the washing water supplied from the external water source flows.
  • the water supply passage 23 is provided with a water supply valve 22 that intercepts the washing water supplied from the external water source. When the water supply valve 22 is opened, the washing water supplied from the external water source is introduced into the sump 100 through the water supply passage 23.
  • the water supply passage 23 is provided with a flow meter 27 for measuring the flow rate of the washing water flowing to the sump 100 through the water supply passage 23.
  • the sump 100 is connected to a drain passage 24 for guiding the stored washing water to the outside of the dishwasher 1.
  • the drain passage 24 is provided with a drain pump 25 for draining the washing water in the sump 100 through the drain passage 24.
  • the drain pump 25 When the drain pump 25 is driven, the washing water stored in the sump 100 flows out of the case 11 through the drainage passage 24.
  • the washing pump 150 may heat the washing water transferred to the washing water supply passage 180.
  • the washing pump 150 generates steam by heating the washing water stored therein.
  • the washing pump 150 is connected to the steam hose 190.
  • the steam generated in the washing pump 150 is supplied to the steam nozzle 195 through the steam hose 190.
  • the heater 140 is coupled to the lower side of the washing pump 150 to heat the washing water in the washing pump 150.
  • the heater 140 generates hot water by heating the washing water flowing in the washing pump 150 when the washing pump 150 operates.
  • the heater 140 generates steam by heating the washing water stored in the washing pump 150 when the washing pump 150 is stopped.
  • the steam nozzle 195 is provided at the lower end of the door 20 to inject steam into the washing chamber 12a. Steam injected from the steam nozzle 195 is applied to the object to be cleaned in the lower rack 16 and / or the upper rack (17).
  • the selector valve 130 selectively connects the sump 100 with at least one of the plurality of injection arms 13, 14, 15.
  • the changeover valve 130 selectively supplies the washing water pumped by the washing pump 150 to at least one of the low injection arm 13, the upper injection arm 14, and the top injection arm 15.
  • the switching valve 130 selectively connects at least one of the washing water supply passage 180 and the plurality of injection arm connection passages 18, 19, and 21.
  • Check valve 175 is closed when heater 140 generates steam.
  • the check valve 175 opens when the washing pump 150 operates to flow the washing water, and closes when the washing pump 150 stops and the washing water does not flow.
  • the check valve 175 is opened by the flow pressure of the washing water of the washing pump 150.
  • the check valve 175 may be a solenoid valve opened and closed by an electronic signal.
  • the check valve 175 is formed such that the washing water flows from the washing pump 150 to the sump 100 even in the closed state when the drain pump 25 is operated.
  • the filter 200 may collect the foreign matter contained in the washing water introduced through the communication hole 12c.
  • the filter 200 may include meshes 211 and 212 having a plurality of holes formed therein.
  • the filter 200 may be disposed in the water collecting unit 102 of the sump 100 to remove foreign substances from the washing water flowing into the water collecting unit 102, and the filtered washing water may be introduced into the washing pump 150.
  • the filter 200 includes a first mesh 211 having a plurality of holes and a second mesh 212 having a plurality of holes having a smaller size than the holes of the first mesh 211, and the washing stroke. As a result, the first mesh 211 or the second mesh 212 may rotate to face the pipe flowing into the washing pump 150. Through this, the size of the foreign matter collected by the filter 200 can be adjusted. Detailed description of the filter 200 will be described later with reference to FIG. 3.
  • FIG 3 is a perspective view of a partial configuration of a dish washer according to an embodiment of the present invention.
  • Figure 4 is a perspective view of the sump of the dishwasher according to an embodiment of the present invention.
  • FIG. 5 is a plan view of a sump of a dishwasher according to an embodiment of the present invention.
  • FIG. 6 is a side view of a partial configuration of the dishwasher according to one embodiment of the present invention.
  • FIG. 7 is a bottom view of some components of the dishwasher according to one embodiment of the present invention.
  • the sump body 101 is disposed below the bottom 12b of the tub 12 and coupled to the tub 12.
  • the sump body 101 is formed in a substantially disc shape.
  • the sump body 101 may have an inclined surface that guides the washing water to the water collecting part 102 on an upper surface thereof.
  • the water collecting part 102 is formed in a cylindrical shape so that the collected wash water is stored.
  • the collecting part 102 corresponds to the communication hole 12c of the tub 12 and is disposed below the communication hole 12c.
  • a water supply passage 23 is connected to the water supply pipe (102a) is introduced into the water collecting portion 102 and the wash water supplied from an external water source, and the drainage pump 25 is mounted and the drainage passage 24 ) Is connected to the drain portion 102c through which the washing water in the catchment part 102 flows out, and a collecting pipe 102b through which the washing water in the catchment part 102 flows out.
  • the valve coupling part 104 is provided with a switching valve 130.
  • the valve coupling part 104 may be part of the switching valve 130.
  • the valve coupling portion 104 is formed in a substantially circular shape.
  • the valve coupling portion 104 has a supply hole 104a communicating with the washing water supply passage 180.
  • the steam hose support part 103 is formed to extend in the horizontal direction from one end of the sump body 101 to support the steam hose 190.
  • the blocking wall 106 may have a wall shape extending in the rotational direction of the filter 200 and extending in the rotational axis direction of the filter.
  • the blocking wall 106 may be formed such that the vertical length thereof corresponds to the length of the body side surface of the filter 200.
  • the upper end of the blocking wall 106 is formed to be spaced apart from the upper frame 221 of the filter 200 by a predetermined distance, so that the filter 200 is not interfered by the blocking wall 106 when the filter 200 is rotated.
  • the lower end of the blocking wall 106 is formed to be spaced apart from the lower frame 225 of the filter 200 by a predetermined distance, so that the filter 200 is not interfered by the blocking wall 106 when the filter 200 is rotated. Can be.
  • the blocking wall 106 may be formed in a shape such that the inner side may contact the outer circumferential surface of the cylinder.
  • the blocking wall 106 may be provided integrally with the water collecting part 102 of the sump 100. That is, a part of the collecting part 102 may protrude to the inner side surface to form the blocking wall 106.
  • the blocking wall 106 may be provided to be coupled to the collecting part 102.
  • the outer wall is formed in a shape corresponding to the inner surface of the collecting portion 102, the blocking wall 106 can be in close contact with the inner surface of the collecting portion 102.
  • the sump 100 may include a churmari 107 that surrounds the collecting pipe 102b and further protrudes toward the filter 200 from the collecting part 102.
  • the chumari 107 is provided on the upper side of the collecting pipe 102b in the shape of a rib extending in the horizontal direction longer than the diameter of the collecting pipe 102b, and filters 200 through a through hole formed under the tub 12. Without passing through), the washing water introduced into the water collecting unit 102 may be limited to flow directly into the water collecting pipe 102b.
  • the chumari 107 may be located at an intermediate point between the upper end and the lower end of the collecting part 102 inside the collecting part 102.
  • the churmari 107 is disposed between the plurality of protruding ribs 108 formed in the water collecting unit 102, and the position where the churmari 107 is disposed may be guided.
  • the chumari 107 may be supported at both ends in the horizontal direction by the protruding ribs 108 extending vertically in the water collecting part 102.
  • the churmarib 107 is provided so that one end thereof extends into the collecting part 102 so as to contact the filter 200 so that only the washing water passing through the mesh of the filter 200 flows into the collecting pipe 102b.
  • the chumari 107 may extend into the water collecting part 102 such that the inner end thereof contacts the filter frame 220 of the filter 200.
  • the churmari 107 may be extended into the collecting part 102 so that one end is spaced apart from the filter 200 by a predetermined distance. In this case, some of the washing water that has not passed through the filter 200 may directly flow into the collection pipe 102b. Through this, the flow rate of the washing water flowing into the washing pump 150 may be large, but foreign substances may be present in the washing water flowing into the washing pump 150.
  • the chumari 107 configured as described above includes a washing pump 150 flowing through the filter 200 and flowing into the washing pump 150 without passing through the filter 200 and the flow rate of the washing water flowing into the washing pump 150.
  • the flow rate flowing into the) can be adjusted, so that the injection of the washing water through the plurality of injection arms 13, 14 and 15 can be effectively performed.
  • the churmari 107 and the protruding rib 108 configured as described above may adjust or block the flow rate of the washing water flowing directly into the collection pipe 102b without passing through the filter 200. That is, the barrier is formed on the upper side of the collecting pipe 102b by the chumari 107, the barrier is formed on both sides of the collecting pipe 102b by the protruding rib 108, and flows into the collecting part 102. It is possible to limit the washing water flowing toward the collecting pipe 102b without passing through the filter 200.
  • the churmari 107 and the protruding rib 108 flow directly into the collecting pipe 102b without passing through the filter 200 and the amount of washing water flowing through the filter 200 and into the collecting pipe 102b.
  • the washing effect can be improved.
  • the washing pump 150 may include a washing water outlet pipe connected to the washing water supply passage 180.
  • the washing pump 150 may be connected to the switching valve 130 through the washing water outlet pipe and the washing water supply passage 180.
  • the steam hose 190 may be disposed to be inclined upwardly or horizontally from the washing pump 150 to the steam hose 190 based on the steam flow direction. That is, the steam hose 190 may be disposed such that there is no portion facing downward based on the steam flow direction.
  • FIG 8 is an exploded perspective view of the filter and the filter driving unit in the dishwasher according to the embodiment of the present invention.
  • FIG 9 is a view illustrating a filter in the dishwasher according to one embodiment of the present invention.
  • FIG. 10 is a view illustrating a filter in the dishwasher according to one embodiment of the present invention.
  • the filter 200 may include a head part partially protruding into the tub 12 and into which the washing water flows along the bottom 12b of the tub 12.
  • the filter 200 may include a body part provided with a plurality of through-hole meshes to filter foreign substances in the washing water.
  • the filter 200 may be maintained in shape by the filter frame 220.
  • the filter frame 220 may include an upper frame 221 which forms an upper end of the body and has a disc shape in which a central hole is formed.
  • the filter frame 220 may include a main frame 222 extending downward from both sides of the upper frame 221 facing each other.
  • the filter frame 220 may include one or more subframes 223 extending downward from the upper frame 221 and thinner than the main frame 222.
  • the filter frame 220 may include a plurality of bridge frames 224 connecting the neighboring main frame 222 and the subframe 223 in a band shape having a horizontal or predetermined angle with the upper frame 221. have.
  • the filter frame 220 may include a lower frame 225 forming a lower end of the body and having a circular band shape.
  • the lower frame 225 may include a pair of coupling protrusions 2251 to be coupled to the filter rotating body 231 to be described later.
  • the lower frame 225 may be detachably coupled to the filter rotating body 231 described later.
  • the filter frame 220 may include a head frame 226 forming an upper end of the filter 200 on the upper side of the body.
  • the head suction opening 227 is provided in a shape including a horizontal plate parallel to the upper frame 221 and a plurality of vertical plates crossing the horizontal plate to be a passage through which the washing water flows from the outside of the filter 200. Can be.
  • the filter 200 may include a first mesh 211 having a plurality of holes formed in the body portion and a second mesh having a plurality of holes having a smaller size than the holes of the first mesh 211.
  • the filter 0 may be rotatably provided so that the first mesh 211 or the second mesh may face the collecting pipe 102b according to the washing stroke.
  • the filter 200 may rotate about a rotation axis X1 extending vertically.
  • the first mesh 211 may have a square through-hole.
  • the first mesh 211 may be formed to have a length L1 of a square through hole of 0.57 mm to 0.23 mm.
  • the first mesh 211 may constitute at least a part of the side surface of the filter 200.
  • the first mesh 211 may be disposed between the mainframe 222 and the subframe 223.
  • the second mesh 212 may have a thin plate shape in which a plurality of through holes are formed at regular intervals.
  • the second mesh 212 may be provided with a polygonal or circular through-hole.
  • the first mesh 211 and the second mesh 212 may constitute at least a portion of the side surface of the filter 200 at a constant area ratio.
  • the filter 200 may be covered by the first mesh 211 and the second mesh 212 with the rest of the side surface of the filter 200 not covered by the filter frame 220.
  • first mesh 211 and the second mesh 212 may form portions of the side surfaces of the filter 200 while having an area ratio of 2: 1 to 1: 2.
  • the first mesh 211 connects the main frame 222 and the subframe 223 in an area between 0 degrees (reference point) and 180 degrees based on the rotation angle of the filter 200.
  • the second mesh 212 may connect between the main frame 222 and the subframe 223 in a region between 180 degrees and 360 degrees based on the rotation angle of the filter.
  • the first mesh 211 may be provided with a plate formed in a predetermined thickness in the shape of the outer circumferential surface of the cylinder in a shape bisected in the longitudinal direction of the cylinder.
  • the first mesh 211 may be provided in close contact with the filter frame 220 inside the filter frame 220.
  • the first mesh 211 of FIG. 9 may be provided integrally connected to one.
  • the above description about the first mesh 211 may be equally applied to the second mesh 212.
  • the dishwasher 1 may further include a filter driver 230 providing a rotational force to the filter 200.
  • the filter driver 230 may include a filter rotating body 231 disposed on the bottom surface of the water collecting unit 102 to be detachably coupled to the filter 200.
  • the filter driver 230 may include a driving motor 232 that provides a rotational force to the filter rotating body 231.
  • the filter driver 230 may include a cam 233 connected to the rotation shaft of the filter 200 to rotate together with the filter 200.
  • the filter driver 230 may include a rotation sensor that detects rotation of the cam 233 to generate a signal, and provides the generated signal to the driving motor 232.
  • the rotation sensor may be configured as a switch that is in contact with the cam 233 is turned off when the cam 233 rotates a predetermined angle.
  • the rotation sensor may be spaced apart from the cam 233 by a predetermined distance to detect the rotation of the cam 233 using a sound wave or a beam at a predetermined wavelength.
  • the filter driving unit 230 is a switch 234 for providing a control signal to the drive motor 232 when the cam is rotated, the portion in contact with the cam 233 is linearly moved on and off as the cam rotates. ) May be included.
  • the filter rotator 231 may include a circular band-shaped edge, a cylindrical center of rotation extending vertically in the center, and a bridge connecting the edge and the center of rotation.
  • the filter 200 may be coupled to the filter rotator 231 by a user holding the handle 2262 and inserting the filter 200 downward from the upper side of the filter rotator 231 and rotating the filter at an angle.
  • the filter 200 may be easily separated from the filter rotating body 231 by rotating the filter 200 at an angle in a direction opposite to that when the user grasps the handle 2262.
  • the rotation center of the filter rotating body 231 may be inserted into a coupling hole formed at the lower end of the collecting part 102 to be coupled to the driving motor 232.
  • the rotation center of the filter rotator 231 may protrude a predetermined length to the outside of the sump 100 through a coupling hole at the bottom of the collecting part 102, and may be coupled to the cam 233 and the driving motor 232.
  • the driving motor 232 may be rotated by the same rotation axis X1 as the filter 200 and the filter rotating body 231. Through this, the filter 200 may be immediately and efficiently rotated by the rotational force of the driving motor 232.
  • the cam 233 is a part that rotates about a rotation axis, and is formed in an asymmetrical shape to change the rotational motion into a linear motion.
  • the cam 233 may be provided with one or more cam protrusions protruding laterally from the cylindrical body at the center thereof, and thus, a distance from the center of rotation to the side may be provided to be not constant.
  • the cam 233 is connected to the filter rotator 231 and may rotate at the same angular speed about the same rotation axis X1 as the filter 200.
  • the switch 234 may be turned on or off by a horizontal input.
  • the switch 234 is arranged such that the input end is in contact with the cam 233 so that the input end may move in the horizontal direction while the cam 233 rotates.
  • the filter driving unit 230 configured as described above, by receiving a signal from the control unit (not shown) of the dishwasher 1, the drive motor 232 starts the operation, the filter by the drive motor 232 The rotation of the 200 and the filter rotator 231 and the cam 233 may also rotate together.
  • the filter driver 230 may further include a sealing member 235 disposed between the coupling hole of the water collecting unit 102 and the filter rotating body 231 to prevent leakage through the coupling hole.
  • FIG. 11 is a cross-sectional view taken along line BB ′ of FIG. 6, and FIG. 12 is a cross-sectional view taken along line AA ′ of FIG. 7.
  • the dishwasher 1 may perform a plurality of washing strokes.
  • the plurality of washing strokes may include a first stroke and a second stroke in which the amount of foreign matter contained in the washing water of the sump 100 is smaller than the first stroke.
  • the first stroke may be a preliminary washing stroke for washing by spraying the washing water onto the dishes in the washing chamber 12a.
  • the preliminary washing stroke may be defined as a washing stroke to remove the relatively large foreign matter attached to the dishware prior to the washing stroke.
  • the second stroke may be the main washing stroke in which washing water is sprayed on the dishes in the washing chamber 12a after the preliminary washing stroke.
  • FIG 11 is a cross-sectional view of a state in which the first mesh of the filter 200 at the first stroke (preliminary washing stroke) faces the collecting pipe 102b.
  • the filter 200 is arranged such that the first mesh 211 faces the water collection pipe 102b during the first stroke (preliminary washing stroke), so that the foreign matters of the washing water introduced into the filter 200 are removed. It is possible to remove foreign substances having a relatively large particle size. Through this, during the preliminary washing operation in which the size of the foreign matter is large and / or the amount of the foreign matter is large, it is possible to prevent the clogging phenomenon in which the filter is clogged by the foreign matter.
  • the filter 200 removes foreign substances in the washing water and passes the washing water so that circulation occurs, and the washing water passes through the filter 200 and the pressure may be reduced to some extent.
  • the washing water flowing through the filter 200 into the washing pump 150 through the collecting pipe 102b is reduced.
  • the washing water sprayed from the injection arms 13, 14, 15 of the dishwasher 1 is reduced, thereby reducing the washing effect of the dishes.
  • the washing pump 150 pressurizes the washing water and pumps it into the injection nozzle.
  • the washing pump 150 is idle, and thus the washing pump 150 is It may be damaged and noise may occur in the washing pump 150.
  • the washing pump 150 is idling and fatigue may accumulate, it is necessary to prevent idling of the washing pump 150.
  • the filter 200 may further include a third mesh having a plurality of through holes formed in a size smaller than the through holes of the second mesh 212.
  • the filter 200 may configure at least a portion of the side surfaces of the filter 200 at a constant area ratio of the first mesh 211, the second mesh 212, and the third mesh.
  • the filter 200 divides the sides of the filter 200 into three equal parts at intervals of 120 degrees on the basis of the rotation angle of the filter 200, and the first mesh 211 is disposed in the side region between 0 and 120 degrees. ), A second mesh 212 may be provided in the side region between 120 degrees and 240 degrees, and a third mesh may be provided in the side region between 240 degrees and 360 degrees.
  • the filter 200 may be disposed such that the third mesh faces the collection pipe 102b during the third stroke after the second stroke, and thus remove foreign substances having a finer size than when using the second mesh. .
  • the dishwasher 1 configured as described above uses a filter that can change the mesh according to the washing stroke, thereby preventing clogging caused by foreign substances and increasing the effect of removing foreign substances, thereby shortening the washing time and improving the washing effect. There is an advantage to this.
  • FIG. 12 is a cross-sectional view for explaining how the wash water in the tub 12 flows into the water collecting unit.
  • the washing water in the tub 12 may flow into the head suction opening 227 of the filter 200 along the inclined surface below the tub 12.
  • a part of the washing water in the tub 12 may pass through the through hole provided at the bottom of the tub 12 to enter the water collecting part 102 on the upper side of the sump 100, in which case the filter 200
  • the washing water that has not passed may flow into the water collecting unit 102.
  • the washing water introduced into the filter 200 may be discharged through the mesh to the water collecting pipe 102b. Foreign matter in the wash water can be removed by the mesh.
  • the washing water that does not pass through the filter 200 may move downward through the water collecting part 102 to be in contact with the churmarib 107. Some of the washing water that does not pass through the filter 200 may be introduced into the collection pipe 102b without passing through the filter 200 through the space between the churmari 107 and the filter 200. Some of the washing water introduced directly into the water collecting part 102 may be introduced into the filter 200 through a mesh by a pressure difference between the inside and the outside of the filter 200. The washing water introduced into the filter 200 through the mesh may be discharged to the water collecting pipe 102b through the mesh again.
  • the blocking wall 106 so that the wash water does not flow through the mesh facing the surface facing the collection pipe (102b). Through this, it is possible to prevent the clogging phenomenon that the mesh is clogged through the washing water with a lot of foreign matter through the small through-hole mesh.
  • FIG. 13 is a view showing a part of the configuration in the dishwasher according to another embodiment of the present invention.
  • the driving motor 232 ′ may rotate about the second rotation axis X2 different from the first rotation axis X1 of the filter 200.
  • the driving motor 232 ′ may be disposed at one side of the collecting part 102 of the sump 100 so that the driving part faces downward.
  • the driving unit of the driving motor 232 ′ may be connected to the first rotating shaft X1 of the filter 200 by the connecting device 236 to transmit a rotational force.
  • the driving unit of the driving motor 232 ′ may be connected to the cam 233 and the connecting device 236.
  • the connecting device 236 may be configured of a gear, a chain, or a belt to transmit the rotational motion of the driving motor 232 'to another member.
  • the dishwasher configured as described above may reduce volume in the vertical direction than when the driving motor is directly connected to the filter. That is, the driving motor 232 may be disposed in an empty space on the side of the water collecting part 102 in which other members of the dishwasher are not located, thereby reducing the volume occupied by the plurality of dishwasher members.
  • the rotation ratio of the driving motor 232 'and the filter 200 may be configured differently, even when the driving force of the driving motor 232' is small, the torque may be increased to rotate the filter 200.
  • dishwasher 11 case
  • switching valve 23 water supply passage
  • washing water supply passage 190 steam hose
  • filter frame 230 filter driving unit

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

L'invention concerne un lave-vaisselle comprenant : une cuve formant une chambre de lavage destinée à recevoir un objet à laver ; un puisard qui est disposé sur le côté inférieur de la cuve et comprend une partie de collecte d'eau permettant de collecter l'eau de lavage ainsi qu'un tuyau de collecte d'eau disposé d'un côté de la partie de collecte d'eau ; une pompe de lavage dans laquelle l'eau de lavage s'écoule de la partie de collecte d'eau par le tuyau de collecte d'eau ; et un filtre qui est disposé sur la partie de collecte d'eau de façon à collecter les substances étrangères comprises dans l'eau de lavage s'écoulant dans la partie de collecte d'eau, comprend une premier maillage dans lequel sont formés de multiples trous traversants ainsi qu'un second maillage dans lequel sont formés de multiples trous traversants plus petits que les trous traversants du premier maillage, et qui est disposé de façon à pouvoir tourner afin que le premier maillage ou le second maillage soit face au tuyau de collecte d'eau conformément aux processus de lavage.
PCT/KR2019/002435 2018-02-28 2019-02-28 Lave-vaisselle Ceased WO2019168379A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0024398 2018-02-28
KR1020180024398A KR102431200B1 (ko) 2018-02-28 2018-02-28 식기세척기

Publications (1)

Publication Number Publication Date
WO2019168379A1 true WO2019168379A1 (fr) 2019-09-06

Family

ID=67805104

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/002435 Ceased WO2019168379A1 (fr) 2018-02-28 2019-02-28 Lave-vaisselle

Country Status (2)

Country Link
KR (1) KR102431200B1 (fr)
WO (1) WO2019168379A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3932285A1 (fr) * 2020-06-29 2022-01-05 LG Electronics Inc. Filtre de nettoyage automatique et lave-vaisselle équipé de celui-ci
EP4154792A4 (fr) * 2020-09-16 2023-07-26 Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. Appareil de lavage de vaisselle et dispositif de filtration associé

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220093727A (ko) 2020-12-28 2022-07-05 엘지전자 주식회사 식기세척기

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050062145A (ko) * 2003-12-19 2005-06-23 엘지전자 주식회사 식기 세척기의 집수장치
KR20100037453A (ko) * 2008-10-01 2010-04-09 엘지전자 주식회사 식기 세척기
KR101356295B1 (ko) * 2006-09-26 2014-01-29 엘지전자 주식회사 식기 세척기의 섬프
KR20160100595A (ko) * 2015-02-16 2016-08-24 삼성전자주식회사 식기 세척기
KR101782651B1 (ko) * 2011-05-19 2017-09-28 엘지전자 주식회사 식기 세척기 및 그의 섬프

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050062145A (ko) * 2003-12-19 2005-06-23 엘지전자 주식회사 식기 세척기의 집수장치
KR101356295B1 (ko) * 2006-09-26 2014-01-29 엘지전자 주식회사 식기 세척기의 섬프
KR20100037453A (ko) * 2008-10-01 2010-04-09 엘지전자 주식회사 식기 세척기
KR101782651B1 (ko) * 2011-05-19 2017-09-28 엘지전자 주식회사 식기 세척기 및 그의 섬프
KR20160100595A (ko) * 2015-02-16 2016-08-24 삼성전자주식회사 식기 세척기

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3932285A1 (fr) * 2020-06-29 2022-01-05 LG Electronics Inc. Filtre de nettoyage automatique et lave-vaisselle équipé de celui-ci
US11672401B2 (en) 2020-06-29 2023-06-13 Lg Electronics Inc. Automatic cleaning filter and dishwasher equipped with the same
EP4154792A4 (fr) * 2020-09-16 2023-07-26 Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. Appareil de lavage de vaisselle et dispositif de filtration associé
US12396614B2 (en) 2020-09-16 2025-08-26 Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. Tableware washing apparatus and filtering device thereof

Also Published As

Publication number Publication date
KR102431200B1 (ko) 2022-08-09
KR20190103680A (ko) 2019-09-05

Similar Documents

Publication Publication Date Title
WO2014163408A1 (fr) Machine de lavage de vaisselle
WO2019168379A1 (fr) Lave-vaisselle
WO2018174520A2 (fr) Lave-vaisselle et son procédé de commande
WO2011122804A2 (fr) Lave-vaisselle et procédé de commande associé
WO2013165203A1 (fr) Dispositif de filtre de lave-linge
WO2022203217A1 (fr) Canal de fluide d'évacuation contenant un filtre et lave-linge pourvu dudit canal
WO2017014575A1 (fr) Lave-vaisselle
WO2012030093A2 (fr) Lave-vaisselle
WO2019156503A1 (fr) Lave-vaisselle et procédé de commande associé
WO2018043918A1 (fr) Lave-vaisselle
WO2017030378A1 (fr) Appareil de traitement du linge
WO2016204454A1 (fr) Lave-vaisselle et son procédé de commande
WO2018026221A1 (fr) Lave-vaisselle
WO2020040501A1 (fr) Appareil de traitement de linge
WO2019156504A1 (fr) Lave-vaisselle
WO2016126104A1 (fr) Lave-vaisselle
WO2018026225A1 (fr) Lave-vaisselle
WO2015102287A1 (fr) Lave-vaisselle et son procédé de commande
WO2019045211A1 (fr) Lave-vaisselle
WO2017030379A4 (fr) Procédé de commande de lave-linge
WO2021145496A1 (fr) Lave-vaisselle
WO2022119273A1 (fr) Lave-vaisselle et réservoir d'eau pour lave-vaisselle
WO2020171393A1 (fr) Lave-vaisselle
WO2022010101A1 (fr) Lave-vaisselle
WO2019160320A1 (fr) Lave-vaisselle

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19760878

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19760878

Country of ref document: EP

Kind code of ref document: A1