WO2016208890A1 - Purificateur d'air - Google Patents

Purificateur d'air Download PDF

Info

Publication number
WO2016208890A1
WO2016208890A1 PCT/KR2016/006038 KR2016006038W WO2016208890A1 WO 2016208890 A1 WO2016208890 A1 WO 2016208890A1 KR 2016006038 W KR2016006038 W KR 2016006038W WO 2016208890 A1 WO2016208890 A1 WO 2016208890A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
filter
dust
outlet
discharged
Prior art date
Application number
PCT/KR2016/006038
Other languages
English (en)
Inventor
Kietak Hyun
Sunghwa Lee
Okchun Hyun
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 WO2016208890A1 publication Critical patent/WO2016208890A1/fr

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
    • B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C3/00—Apparatus in which the axial direction of the vortex flow following a screw-thread type line remains unchanged ; Devices in which one of the two discharge ducts returns centrally through the vortex chamber, a reverse-flow vortex being prevented by bulkheads in the central discharge duct
    • B04C3/06—Construction of inlets or outlets to the vortex chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
    • B04C2009/002—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks with external filters

Definitions

  • the present invention relates to an air purifier.
  • An air purifier is a device which suctions air, filters dust, germs or the like, and thus purifies the air.
  • the air purifier may comprise a plurality of filters, and while the air passes, in turn, through the plurality of filters, the dust, the germs or the like may be filtered.
  • the plurality of filters may be covered with the dust or foreign substances during a purifying process of the air, the plurality of filters should be periodically cleaned, and it is inconvenient for a user.
  • the air purifier should be disassembled, and the plurality of filters should be taken out of the air purifier, and then each of the plurality of filters should be cleaned. Therefore, it is difficult to clean the filters.
  • Korean Patent No. 0580300 registered on May 09, 2006 as a prior art, there is disclosed an air purifier.
  • the air purifier disclosed in the prior art includes a cyclone dust collector, and a plurality of filters which purifies air discharged from the cyclone dust collector.
  • the prior art has also the problem that the air purifier should be disassembled to clean the filters.
  • a pressure loss of the air in the air purifier is larger than that of the air when the cyclone dust collector is not provided. In this case, a flow rate of the air becomes smaller, and thus it takes a long time to purify the air within a predetermined indoor space.
  • the present invention is directed to providing an air purifier in which a path loss in a cyclone separator is reduced when air is purified using the cyclone separator, and thus air purifying performance is enhanced, and the number of filter cleaning operations is reduced.
  • an air purifier comprises a housing including an intake port and a discharge port, a fan motor assembly to generate an air flow in the housing, a cyclone separator for separating dust from air introduced into the housing through the intake port, a dust storage unit for storing dust separated by the cyclone separator, and a filter unit for purifying air discharged from the cyclone separator.
  • the cyclone separator includes an air inlet, through which air in the housing is introduced, a first air outlet, through which air separated from dust is discharged, a second air outlet, through which air separated from dust is discharged, and a dust outlet, through which dust separated from air is discharged.
  • the air inlet is located closer to the first air outlet than the second air outlet and the dust outlet is located closer to the second air outlet than the first air outlet.
  • the cyclone separator may further include a first guide for guiding discharge of air through the first air outlet and a second guide for guiding discharge of air through the second air outlet.
  • a distance between an inlet of the first air outlet and an inlet of the second air outlet may be less than a distance between the air inlet and the dust outlet.
  • a diameter of the first guide may be less than that of the second guide.
  • a length of the first guide may be greater than that of the second guide.
  • the cyclone separator may further include a cyclone body in which air and dust spirally flow.
  • the cyclone body may be provided in the housing such that an axis of a cyclone flow in the cyclone body extends in a vertical direction.
  • the second air outlet may be provided at a position lower than the first air outlet in the cyclone body, and the dust outlet may be located at a position lower than the air inlet.
  • An inlet of the first guide may be located at a position lower than the air inlet, and an inlet of the second guide may be located at a position higher than the dust outlet.
  • a plurality of cyclone separators may be provided, and the dust storage unit may communicate with a dust outlet of each of the plurality of cyclone separators.
  • the air purifier may further include a pre-filter for filtering air before air discharged from the cyclone separator passes through the filter unit.
  • the air purifier may further include a cleaning unit for cleaning the pre-filter.
  • the cleaning unit may further include a cleaning body capable of being in contact with a surface of the pre-filter and a motor for rotating the cleaning body.
  • the air purifier may further include a driving device for rotating the pre-filter, and dust on the pre-filter may be removed by the cleaning unit which is in contact with the pre-filter in a process of rotating the pre-filter.
  • the dust storage unit may include a dust inlet, through which dust removed from the pre-filter by the cleaning unit is introduced.
  • the dust storage unit may include a first opening, through which air discharged through the second air outlet is introduced, a second opening, through which air introduced through the first opening is discharged, and a connection flow path for connecting the first opening and the second opening, and the pre-filter may be located in the connection flow path.
  • the air purifier may further include a cleaning unit provided in the connection flow path and in contact with the pre-filter and a driving device for rotating the pre-filter, and dust on the pre-filter may be removed by the cleaning unit being in contact with the pre-filter in a process of rotating the pre-filter.
  • the pre-filter may have a cavity, air introduced through the first opening may be introduced into the cavity through a part of the pre-filter, and air introduced into the cavity may pass through another part of the pre-filter to be discharged to the connection flow path.
  • the dust storage unit may include an air leakage prevention rib for preventing air from passing through the second opening without passing through the pre-filter in the connection flow path.
  • the air purifier may further include a filter housing for housing the pre-filter, and the filter housing may include a first opening, through which air discharged through the second air outlet is introduced, and a second opening, through which air passing through the pre-filter is discharged.
  • the filter unit may include a plurality of filters through which air sequentially passes, and an extension direction of an axis of a cyclone flow generated in the cyclone separator may cross an arrangement direction of the plurality of filters.
  • the cyclone separator since the cyclone separator includes the plurality of air outlets, air introduced into the cyclone body divisionally flows through the plurality of air outlets. Accordingly, an air flow area increases and air flow resistance decreases, thereby reducing air flow loss.
  • the air inlet is located adjacent to the first air outlet, since the length of the first guide for guiding air to the first air outlet is greater than that of the second guide for guiding air to the second air outlet or the diameter of the first guide is less than that of the second guide, the amounts of air passing through the air outlets become similar or equal, thereby improving separation performance of the cyclone separator.
  • FIG. 1 is a diagram schematically showing an air purifier according to a first embodiment.
  • FIG. 2 is a perspective view showing the internal configuration of the air purifier according to the first embodiment.
  • FIG. 3 is a perspective view of a cyclone separator according to the first embodiment.
  • FIG. 4 is a longitudinal cross-sectional view of the cyclone separator of FIG. 3.
  • FIG. 5 is a perspective view of a dust storage unit according to the first embodiment.
  • FIG. 6 is a longitudinal cross-sectional view of the dust storage unit of FIG. 5.
  • FIG. 7 is a diagram showing a driving device for rotating a pre-filter according to the first embodiment.
  • FIG. 8 is a diagram showing an air flow in the air purifier according to the first embodiment.
  • FIG. 9 is a diagram showing arrangement of a filter housing in which a pre-filter is housed, a cyclone separator and a dust storage unit according to a second embodiment.
  • FIG. 10 is a diagram showing the internal configuration of an air purifier according to a third embodiment.
  • FIG. 11 is a diagram showing arrangement of a filter unit and a pre-filter according to the third embodiment.
  • FIG. 12 is a diagram showing a state in which the pre-filter is provided in a flow guide according to the third embodiment.
  • FIG. 13 is a perspective view of a dust storage unit according to the third embodiment.
  • FIG. 14 is a diagram showing an air flow in the air purifier according to the third embodiment.
  • FIG. 15 is a diagram showing flow of dust removed from the pre-filter according to the third embodiment.
  • FIG. 1 is a diagram schematically showing an air purifier according to a first embodiment
  • FIG. 2 is a perspective view showing the internal configuration of the air purifier according to the first embodiment.
  • the air purifier 1 may include a housing 10 including an intake port 11, through which air to be purified is suctioned, and a discharge port 12, through which purified air is discharged.
  • the housing 10 may be manufactured by coupling a plurality of members, and the intake port 11 may be formed at one of the plurality of members, and the discharge port 12 may be formed at another member. Alternatively, the intake port 11 and the discharge port 12 may be formed at one of the plurality of members. In the present invention, a shape of the housing 10 and positions of the intake port 11 and the discharge port 12 are not limited.
  • the air purifier 1 may further comprise a fan motor assembly 13 which generates an air flow in the housing 10.
  • the fan motor assembly 13 may comprise a fan motor 14, a fan 15 which is rotated by the fan motor 14, and a fan housing 16 which accommodates the fan 15.
  • a structure of the fan motor assembly 13 is not limited, and the fan motor assembly 13 may be used to blow air or to suction and discharge the air.
  • the air purifier 1 may further comprise a dust separator 20 which separates dust from the air suctioned into the housing 10 through the intake port 11, and a dust storage unit 30 which stores the dust separated in the dust separator 20.
  • the dust separator 20 may comprise a cyclone separator 210 for generating a cyclone flow to separate dust from air.
  • the air purifier 1 may comprise a plurality of cyclone separators 210 provided in parallel. That is, air introduced into the housing 10 through the intake port 11 divisionally flows into the plurality of cyclone separators 210.
  • the air purifier 1 may further comprise a filter unit 40 for purifying air discharged from the plurality of cyclone separators 210. Air passing through the filter unit 40 may be discharged from the housing 10 through the discharge port 12.
  • the fan motor assembly 13 may be provided at the upstream side of the dust separator 20 with respect to air flow in the housing 10, between the dust separator 20 and the filter unit 40 or at the downstream side of the filter unit 40.
  • the air purifier 1 may further comprise a flow guide 250 for guiding air discharged from the cyclone separators 210 to the filter unit 40.
  • the flow guide 250 may comprise a plurality of branched guides 252 connected to the plurality of cyclone separators and a common guide 254 for guiding air flowing along the plurality of branched guides 252 to the filter unit 40.
  • the filter unit 40 may comprise a filter case 410 and one or more filters 430, 440 and 450 housed in the filter case 410.
  • filters 430, 440 and 450 may be housed in the filter case 410.
  • the air purifier 1 may further comprise a pre-filter 420 for filtering air before air discharged from the cyclone separators 210 flows to the filter unit 40.
  • the pre-filter 420 may be provided in the dust storage unit 30, for example.
  • Some air discharged from the cyclone separators 210 may directly flow to the filter unit 40 without passing through the pre-filter 420 and the remaining air may flow to the filter unit 40 after passing through the pre-filter 420.
  • FIG. 3 is a perspective view of a cyclone separator according to the first embodiment
  • FIG. 4 is a longitudinal cross-sectional view of the cyclone separator of FIG. 3.
  • the cyclone separator 210 may comprise a cyclone body 212.
  • the cyclone body 212 may have a cylindrical shape, a cone shape or a truncated cone shape such that air spirally flows.
  • the cyclone separator 210 may further comprise an air inlet 213 through which air in the housing 10 is introduced, a first air outlet 216 through which air separated from dust is discharged, a second air outlet 222 through which air separated from dust is discharged, and a dust outlet 214 through which dust separated from air is discharged.
  • the air inlet 213, the dust outlet 214, the first air outlet 220 and the second air outlet 222 may be formed in the cyclone body 212, for example.
  • the air inlet 213 may extend in a tangential direction in the cyclone body 212. Accordingly, a cyclone flow is generated in the cyclone body 212 when air is introduced into the cyclone body 212 through the air inlet 213.
  • the cyclone separator 210 is provided in the housing 10 such that an axis C of the cyclone flow generated in the cyclone body 212 extends in a vertical direction.
  • extension direction of the axis C of the cyclone flow may cross the arrangement direction of the plurality of filters 430, 440 and 450.
  • the air inlet 213 may be provided closer to the first air outlet 220 than the second air outlet 222.
  • the dust outlet 214 may be provided closer to the second air outlet 222 than the first air outlet 220.
  • the dust outlet 214 may be located at a position lower than the air inlet 213.
  • the first air outlet 220 may be located at a position higher than the second air outlet 222.
  • the air inlet 213 and the dust outlet 214 may be provided in a region between the first air outlet 220 and the second air outlet 222.
  • the cyclone separator 210 comprises a plurality of air outlets 220 and 222
  • air introduced into the cyclone body 212 may divisionally flow to the plurality of air outlets 220 and 222. Accordingly, an air flow area can be increased and air flow resistance can be decreased, thereby reducing air flow loss.
  • separation performance increases.
  • separation performance can be improved.
  • a lowest point of the dust outlet 214 may be located at the same height as a lowest point of the cyclone body 212, such that the spiral flow distance of air and dust increases.
  • the length (the length in the direction parallel to the extension direction of the axis of the cyclone flow) of the cyclone body 212 may be four times to seven times the diameter of the cyclone body 212.
  • the length of the cyclone body 212 is less than four times the diameter of the cyclone body 212, the distance between the first air outlet 220 and the second air outlet 220 is too small to ensure the spiral flow distance of air. Therefore, dust separation performance cannot be sufficiently ensured.
  • the length of the cyclone body 212 is greater than seven times the diameter of the cyclone body 212, the distance between the first air outlet 220 and the second air outlet 222 is too large, significantly decreasing the amount of air flowing to the second air outlet 222. Therefore, dust separation performance cannot be sufficiently ensured.
  • the cyclone separator 210 may further comprise a first guide 224 for guiding discharge of air through the first air outlet 220 and a second guide 226 for guiding discharge of air through the second air outlet 222.
  • the first guide 224 may extend from the first air outlet 220 toward the second air outlet 222.
  • the second guide 224 may extend from the second air outlet 222 toward the first air outlet 220.
  • the first guide 224 and the second guide 226 respectively comprise inlets 224a and 226a, through which air is introduced.
  • the inlet 224a of the first guide 224 may be located at a position lower than the air inlet 213. Accordingly, it is possible to prevent air introduced into the cyclone body 212 through the air inlet 213 from being immediately discharged through the first air outlet 220.
  • the inlet 226a of the second guide 226 may be located at a position higher than the air inlet 213. Accordingly, it is possible to prevent dust spirally flowing along the inner circumferential surface of the cyclone body 212 from flowing through the inlet 226a of the second guide 226 before being discharged through the dust outlet 214.
  • the inlet 224a of the first guide 224 and the inlet 226a of the second guide 226 are located between the first air outlet 220 and the second air outlet 222.
  • a distance between the inlet 224a of the first guide 224 and the inlet 226a of the second guide 226 is less than a distance between the air inlet 213 and the air outlet 214.
  • the amount of air discharged through the first air outlet 220 may be greater than that of air discharged through the second air outlet 222.
  • the amount of air discharged through the first air outlet 220 is greater than that of air discharged through the second air outlet 222, the amount of dust discharged through the first air outlet 220 increases, decreasing dust separation performance.
  • the diameter of the first guide 224 may be less than that of the second guide 226 such that the amount of air discharged through the first air outlet 220 and the amount of air discharged through the second air outlet 222 become similar or equal.
  • the length of the first guide 224 may be greater than that of the second guide 226 such that the amount of air discharged through the first air outlet 220 and the amount of air discharged through the second air outlet 222 become similar or equal.
  • FIG. 5 is a perspective view of a dust storage unit according to the first embodiment
  • FIG. 6 is a longitudinal cross-sectional view of the dust storage unit of FIG. 5
  • FIG. 7 is a diagram showing a driving device for rotating a pre-filter according to the first embodiment.
  • the dust storage unit 30 may be detached from the air purifier 1. That is, the dust storage unit 30 may be detachably mounted in the housing 10.
  • the dust storage unit 30 may comprise a collecting body 310 forming a dust storage chamber 321 for storing dust discharged from the cyclone separator 210.
  • the collecting body 310 may comprise a dust inlet 312 through which dust discharged from the cyclone separator 210 is introduced. If a plurality of cyclone separators 210 is provided, a plurality of dust inlets 312 may be provided in the collecting body 310.
  • the dust storage unit 30 may further comprise an opening and closing unit 311 for opening and closing the dust storage chamber 321.
  • the opening and closing unit 311 may be coupled to the lower side of the collecting body 310, for example.
  • the collecting body 310 may comprise a first opening 315 through which air discharged from the air outlet 216 of the cyclone separator 210 is introduced, a second opening 317 through which air introduced through the first opening 315 is discharged, and a connection flow path 323 for connecting the first opening 315 and the second opening 317.
  • the dust storage chamber 321 and the connection flow path 323 may be partitioned in the collecting body 310.
  • the pre-filter 420 may be provided within the connection path 323. Accordingly, air discharged through the second air outlet 222 of the cyclone separator 210 may be filtered by the pre-filter 420 while flowing in the dust storage unit 30.
  • the pre-filter 420 may have a cavity 422.
  • the pre-filter 420 may be provided such that air received via the first opening 315 passes through a part of the pre-filter 420 to be introduced into the cavity 422 and air introduced into the cavity 422 is discharged to the connection flow path 323 after passing through the other part of the pre-filter 420.
  • the pre-filter 420 may be provided such that the flow direction of air passing through the first opening 315 and the second opening 317 crosses the longitudinal direction of the pre-filter 420.
  • an air leakage prevention rib 325 is provided to prevent air from passing through the second opening 317 without passing through the pre-filter 420 in the connection path flow 323.
  • a cleaning unit 324 for cleaning the pre-filter 420 may be provided in the collecting body 310.
  • the cleaning unit 324 may be in contact with the surface of the pre-filter 420.
  • the air purifier 1 may further comprise a driving device 50 for rotating the pre-filter 420.
  • the driving device 50 may comprise a motor 510 and a power transmission unit for transmiting the rotation force of the motor 510 to the pre-filter 420.
  • the power transmission unit may comprise one or more gears, for example. Although the power transmission unit is shown as including a plurality of gears in FIG. 7, the structure of the power transmission unit is not limited thereto.
  • the power transmission unit may comprise a driving gear 520 connected to the motor 510 and a driven gear 530 connected to the pre-filter 420 to receive power from the driving gear 520.
  • the driving gear 520 may be directly connected to the driven gear 530 or may be connected to the driven gear 530 with one or more intermediate gears interposed therebetween.
  • the pre-filter 420 may comprise a filter frame 424.
  • the filter frame 424 may comprise a gear connector 426 connected with the driven gear 530.
  • a gear shaft 532 of the driven gear 530 may pass through the collecting body 310 to be connected to the gear connector 426 of the filter frame 424.
  • the position of the motor 510 may be fixed in the housing 10. Accordingly, the dust storage unit 30 may be drawn out of the housing 10 in a state in which the motor 510 and the driving gear 520 are located in the housing 10.
  • the rotation force of the motor 510 may be transmited to the pre-filter 420 by the power transmission unit such that the pre-filter 420 rotates.
  • the pre-filter 420 rotates, the surface of the pre-filter 420 is scratched by the cleaning unit 324 such that dust on the surface of the pre-filter 420 may be removed from the pre-filter 420. Dust removed from the pre-filter 420 may be stored at the lower side of the connection flow path 323.
  • the opening and closing unit 311 may open and close both the dust storage chamber 321 and the connection flow path 323. Accordingly, when the opening and closing unit 311 is detached from the collecting body 310, dust in the dust storage chamber 321 and dust in the connection flow path 323 may be discharged from the collecting body 310.
  • the pre-filter 420 since dust may be removed from some air discharged from the cyclone separator 210 by the pre-filter 420, that is, air discharged from the second air outlet 222 of the cyclone separator 210, the amount of dust flowing toward the filter unit 40 is minimized. Accordingly, cleaning of the filter unit 40 can become unnecessary or the number of times of cleaning can be minimized.
  • FIG. 8 is a diagram showing air flow in the air purifier according to the first embodiment.
  • air may be suctioned through the intake port 11 of the housing 11 by rotation of the fan 15. Air suctioned through the intake port 11 of the housing 10 may be introduced into the cyclone separator 210 through the air inlet 213.
  • Air introduced into the cyclone separator 210 spirally flows along the inner circumferential surface of the cyclone body 212 and, at this time, air and dust may be separated.
  • Some air separated from dust in the cyclone body 212 may pass through the first guide 224 to be discharged from the cyclone body 212 through the first air outlet 220.
  • Air and dust in the cyclone body 212 may flow toward the second air outlet 222 and dust separated form air may be discharged from the cyclone separator 210 through the dust outlet 214.
  • air separated from dust may pass through the second guide 226 to be discharged from the cyclone body 210 through the second air outlet 222.
  • Dust discharged through the dust outlet 214 is introduced into the dust storage unit 30 to be stored in the dust storage unit 30.
  • Air discharged from the cyclone separator 210 through the first air outlet 220 may flow toward the filter unit 40 by the flow guide 250.
  • air discharged from the cyclone separator 210 through the second air outlet 222 may be filtered by the pre-filter 420 while passing through the connection flow path 323 of the dust storage unit 30 and then flow toward the filter unit 40 by the flow guide 250.
  • air discharged through the first air outlet 220 and the second air outlet 222 of the cyclone separator 210 may be mixed in the flow guide 250 to flow toward the filter unit 40.
  • Air flowing toward the filter unit 40 is filtered by the plurality of filters 430, 440 and 450 again and is discharged from the housing 10 through the discharge port 12 of the housing 10.
  • the motor 510 may operate.
  • the pre-filter 420 may rotate such that dust on the pre-filter 420 is removed by the cleaning unit 424.
  • FIG. 9 is a diagram showing arrangement of a filter housing in which a pre-filter is housed, a cyclone separator and a dust storage unit according to a second embodiment.
  • This embodiment is equal to the first embodiment, except that the pre-filter is housed in a separate filter housing. Accordingly, hereinafter, only the features of this embodiment will be described.
  • some air discharged from the dust separator 20 may be introduced into a filter housing 31 including the pre-filter 420.
  • the filter housing 31 may comprise a first opening 32 through which air is introduced, and a second opening 33 through which air introduced through the first opening 32 is discharged.
  • the filter housing 31 may be located under the dust separator 20 in the housing 10 and the filter housing 31 may be located at one side of a dust storage unit 30a.
  • Dust on the pre-filter 420 housed in the filter housing 31 may be removed in a process of rotating the pre-filter 420 as described in the first embodiment.
  • the dust storage unit 30a may be detached from the housing 10 independent of the filter housing 31.
  • the size of dust stored in the dust storage unit 30a is less than that of dust stored in the filter housing 31. That is, fine dust discharged from the dust separator 20 along with air without being separated by the dust separator 20 may be filtered by the pre-filter 420 and stored in the filter housing 31.
  • the number of times of emptying the dust storage unit 30a may be greater than the number of times of emptying the filter housing 31.
  • the filter housing 31 is formed separately from the dust storage unit 30a, the structure of the dust storage unit 30a is simplified and the weight of the dust storage unit 30a is reduced, such that a user independently separates the dust storage unit 30a from the air purifier with much less energy.
  • the filter housing 31 may be detached from the air purifier in a state of detaching the dust storage unit 30a or independently of the dust storage unit 30a.
  • FIG. 10 is a diagram showing the internal configuration of an air purifier according to a third embodiment
  • FIG. 11 is a diagram showing arrangement of a filter unit and a pre-filter according to the third embodiment
  • FIG. 12 is a diagram showing a state in which the pre-filter is provided in a flow guide according to the third embodiment
  • FIG. 13 is a perspective view of a dust storage unit according to the third embodiment.
  • This embodiment is equal to the first embodiment except for the position of the pre-filter and the shape of the dust storage unit. Accordingly, hereinafter, only the features of this embodiment will be described. For the same portions as the first embodiment, refer to the description of the first embodiment.
  • a pre-filter 427 may be provided in a flow guide 260 for guiding air discharged from the cyclone separator 210.
  • the flow guide 260 may comprise a first connector 261 connected to the first air outlet 220 of the cyclone separator 210, a second connector 262 connected to the second air outlet 222 of the cyclone separator 210 and a main flow path 263 for guiding air flowing through the first connector 261 and the second connector 262 to the filter unit 41.
  • the second connector 262 may comprise air openings 264 through which air is introduced. At this time, the number of air openings 264 may be equal to the number of cyclone separators 210.
  • the main flow path 263 may comprise a filter mounting unit 268 in which the pre-filter 427 is mounted. Accordingly, air discharged through the first air outlet 220 of the cyclone separator 210 and air discharged through the second air outlet 222 may be filtered by the pre-filter 427.
  • the pre-filter 427 may be cleaned by the cleaning unit 60 in a state in which the pre-filter 427 is mounted in the filter mounting unit 268.
  • the cleaning unit 60 may comprise a motor 610 and a cleaning body 620 which rotates by the motor 610 to clean the pre-filter 427.
  • the motor 610 may be mounted in the filter mounting unit 610, for example, a shaft 612 of the motor 610 may penetrate through the pre-filter 427 to be coupled to the cleaning body 620. Accordingly, the pre-filter 427 may be located between the cleaning body 620 and the motor 610.
  • the cleaning body 620 may comprise a shaft connector 622 connected with the shaft 612 of the motor 610 and one or more extensions 624 extending from the shaft connector 622 in a radial direction.
  • a plurality of extensions 624 may extend from the shaft connector 622 in order to improve cleaning performance of the pre-filter 427.
  • the shaft connector 622 may comprise a brush 630 for removing dust from the pre-filter 427.
  • the shaft connector 622 may comprise a dust removal protrusion which is in contact with the pre-filter 427.
  • the flow guide 260 may further comprise a dust outlet 265, through dust removed from the pre-filter is discharged.
  • the dust storage unit 35 of this embodiment may store dust separated by the cyclone separator 210 and dust removed from the pre-filter 427.
  • the dust storage unit 35 may comprise a collecting body 350 including a plurality of dust storage chambers 361 and 363.
  • the plurality of dust storage chambers 361 and 363 may comprise a first dust storage chamber 361 for storing dust discharged from the cyclone separator 210 and a second dust storage chamber 363 for storing dust removed from the pre-filter 427.
  • the plurality of dust storage chambers 361 and 363 may be simultaneously opened and closed by the opening and closing unit 351 coupled to the collecting body 350.
  • the collecting body 350 may comprise a first dust inlet 352 through which dust discharged from the cyclone separator 210 is introduced and a second dust inlet through which dust removed from the pre-filter and discharged from the flow guide 360 is introduced.
  • the cyclone separator 210 may be seated in the second connector 262 of the flow guide 260 and the second connector 262 may be seated in the dust storage unit 35.
  • FIG. 14 is a diagram showing an air flow in the air purifier according to the third embodiment
  • FIG. 15 is a diagram showing flow of dust removed from the pre-filter according to the third embodiment.
  • FIG. 13 a solid line indicates air and, in FIG. 14, a dotted line indicates dust.
  • air may be suctioned by rotation of the fan 15 through the intake port 11 of the housing 10. Air suctioned through the intake port 11 of the housing 10 may be introduced into the cyclone separator 210 through the air inlet 213.
  • Air introduced into the cyclone separator 210 spirally flows along the inner circumferential surface of the cyclone body 212 and, at this time, air and dust may be separated.
  • Some air separated from dust in the cyclone body 212 may pass through the first guide 224 to be discharged from the cyclone body 212 through the first air outlet 220.
  • Air and dust in the cyclone body 212 may flow toward the second air outlet 222 and dust separated form air may be discharged from the cyclone separator 210 through the dust outlet 214.
  • air separated from dust may pass through the second guide 226 to be discharged from the cyclone body 210 through the second air outlet 222.
  • Dust discharged through the dust outlet 214 is introduced into the dust storage unit 35 to be stored in the first dust storage chamber 361 of the dust storage unit 35.
  • Air discharged from the cyclone separator 210 through the air outlets 220 and 222 of the cyclone separator may pass through the pre-filter 427 by the flow guide 260.
  • Air passing through the pre-filter 427 is filtered by the plurality of filters 430, 440 and 450 of the filter unit 41 again and is discharged from the housing 10 through the discharge port 12 of the housing 10.
  • the motor 610 may operate.
  • the cleaning body 620 rotates and, when the cleaning body 620 rotates, the pre-filter 427 is cleaned. That is, dust on the pre-filter 427 is removed from the pre-filter 427 by rotation of the cleaning body 620.
  • Dust removed from the pre-filter 427 may be discharged from the flow guide 260 through the dust outlet 265 and then may be stored in the second dust storage chamber 363 of the dust storage unit 35.
  • the cyclone separator is provided in the housing such that the axis of the cyclone flow in the cyclone body extends in the vertical direction in the above-described embodiments, the axis of the cyclone flow in the cyclone body may extend in a horizontal direction. Even in this case, air flow loss can be reduced and thus dust separation performance can be improved.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Cyclones (AREA)

Abstract

L'invention concerne un purificateur d'air. Le purificateur d'air comprend un boîtier comprenant un orifice d'admission et un orifice d'évacuation, un ensemble moteur de ventilateur pour produire un flux d'air dans le boîtier, un séparateur à cyclone pour séparer la poussière de l'air introduit dans le boîtier à travers l'orifice d'admission, une unité de stockage de poussière pour stocker la poussière séparée par le séparateur à cyclone, et une unité de filtre pour purifier l'air évacué du séparateur à cyclone.
PCT/KR2016/006038 2015-06-24 2016-06-08 Purificateur d'air WO2016208890A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0089506 2015-06-24
KR1020150089506A KR101774103B1 (ko) 2015-06-24 2015-06-24 공기 정화 장치

Publications (1)

Publication Number Publication Date
WO2016208890A1 true WO2016208890A1 (fr) 2016-12-29

Family

ID=57585962

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2016/006038 WO2016208890A1 (fr) 2015-06-24 2016-06-08 Purificateur d'air

Country Status (2)

Country Link
KR (1) KR101774103B1 (fr)
WO (1) WO2016208890A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108786322A (zh) * 2018-05-30 2018-11-13 广州世晟环保节能技术咨询有限公司 一种带有过滤网自检测功能的除尘装置及其检测方法
CN113058352A (zh) * 2021-03-31 2021-07-02 深圳市网时云计算有限公司 一种防尘效果好的ipmi管理软件用信息终端

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050110255A (ko) * 2004-05-18 2005-11-23 삼성전자주식회사 공기청정기
KR20050110254A (ko) * 2004-05-18 2005-11-23 삼성전자주식회사 공기청정기
JP2007130628A (ja) * 2005-10-12 2007-05-31 Mitsubishi Electric Corp 空気調和機
JP2011526539A (ja) * 2008-06-30 2011-10-13 ペトロレオ ブラジレイロ ソシエダ アノニマ − ペトロブラス ２つの気体出口を有するサイクロン分離器及び分離法
KR101386187B1 (ko) * 2013-03-26 2014-04-17 (주)화인스케이프 사이클론을 구비한 공기 청정기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050110255A (ko) * 2004-05-18 2005-11-23 삼성전자주식회사 공기청정기
KR20050110254A (ko) * 2004-05-18 2005-11-23 삼성전자주식회사 공기청정기
JP2007130628A (ja) * 2005-10-12 2007-05-31 Mitsubishi Electric Corp 空気調和機
JP2011526539A (ja) * 2008-06-30 2011-10-13 ペトロレオ ブラジレイロ ソシエダ アノニマ − ペトロブラス ２つの気体出口を有するサイクロン分離器及び分離法
KR101386187B1 (ko) * 2013-03-26 2014-04-17 (주)화인스케이프 사이클론을 구비한 공기 청정기

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108786322A (zh) * 2018-05-30 2018-11-13 广州世晟环保节能技术咨询有限公司 一种带有过滤网自检测功能的除尘装置及其检测方法
CN113058352A (zh) * 2021-03-31 2021-07-02 深圳市网时云计算有限公司 一种防尘效果好的ipmi管理软件用信息终端

Also Published As

Publication number Publication date
KR101774103B1 (ko) 2017-09-01
KR20170000528A (ko) 2017-01-03

Similar Documents

Publication Publication Date Title
WO2016208889A2 (fr) Purificateur d'air
WO2016114523A1 (fr) Appareil de collecte de poussière
WO2017171496A1 (fr) Appareil de nettoyage
WO2017146354A1 (fr) Purificateur d'air
WO2017171495A1 (fr) Appareil de nettoyage
WO2020153672A1 (fr) Robot nettoyeur
WO2022005013A1 (fr) Dispositif de nettoyage comprenant un aspirateur et une station d'accueil
WO2021215842A1 (fr) Station de nettoyage
WO2020184874A1 (fr) Appareil de collecte de poussière et appareil de nettoyage le comprenant
WO2018106032A1 (fr) Purificateur d'air capable d'ajuster la direction du vent
WO2018038360A1 (fr) Aspirateur
WO2019103249A1 (fr) Épurateur d'air
WO2015174624A1 (fr) Appareil de purification d'air comprimé
AU2020238236A1 (en) Dust collecting apparatus and cleaner having the same
WO2017191983A1 (fr) Aspirateur
WO2018110911A1 (fr) Collecteur de poussière à cyclone et aspirateur le comprenant
WO2019139348A1 (fr) Appareil de nettoyage
WO2016208888A1 (fr) Purificateur d'air
WO2017116159A1 (fr) Dépoussiéreur à cyclone et aspirateur comportant celui-ci
WO2016208890A1 (fr) Purificateur d'air
WO2022075570A1 (fr) Système de nettoyage et appareil d'accueil
WO2019066120A1 (fr) Dispositif de collecte de poussières et aspirateur comprenant celui-ci
WO2022181990A1 (fr) Purificateur d'air
EP4090211A1 (fr) Dispositif de nettoyage
WO2016036148A1 (fr) Laveur d'air

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: 16814603

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: 16814603

Country of ref document: EP

Kind code of ref document: A1