KR20210121928A - Air Cleaner - Google Patents

Abstract

The present invention relates to an air cleaner. More specifically, the air cleaner includes: an air blowing device including a case forming an exterior, a suction part provided in a side part of the case to suction air from the outside, a filter member provided to filter the suctioned air in the case, an air blowing fan placed in an upper part of the filter member in the case and provided to discharge the filtered air, a discharge part provided in an upper part of the case to discharge the air discharged from the air blowing fan to the outside, a driving part placed in a lower part of the filter member in the case to rotate the filter member, and a cleaning part provided in the case to be brought into contact at least partially with an outer wall of the filter member; and a flow switcher provided to be placed in an upper part of the air blowing device to switch a discharge direction of the air discharged from the air blowing device. The filter member is rotated by the driving part, and foreign substances of the outer wall can be removed in contact with the cleaning part. Therefore, the present invention is capable of enabling a user to easily clean the filter member without separating the same.

Description

Air Cleaner {Air Cleaner}

The present invention relates to an air purifier.

An air purifier is understood as a device that sucks polluted air into the interior, filters it, and then discharges the filtered air, and is configured to purify an indoor space such as a home or office. In general, an air purifier includes a blower provided to suck in and discharge external air to the inside, and a filter provided inside the blower to filter dust or bacteria in the air. In this case, in the cleaning method of the filter included in the air purifier, the user has to directly remove dust or bacteria after directly detaching the filter, which not only causes inconvenience, but also causes inconvenience as the filter is exposed to the external environment. There is a risk of damage.

The prior art (Korean Patent Application Laid-Open No. 10-2017-0101100) discloses an air purifier further comprising a flow conversion device provided to control the discharge direction of air discharged from the blower, but the conventional air purifier has an internal It does not suggest a method for easily cleaning the filter member provided in the .

One of the various objects of the present invention is to provide an air purifier that can be easily cleaned without detaching a filter member provided therein to filter air.

One of the various objects of the present invention is to provide an air purifier capable of cleaning a filter member provided inside to filter air through a cleaning unit provided to communicate with the inside using a cleaning device from the outside.

The air purifier according to exemplary embodiments of the present invention may include a filter member provided inside and provided to filter the sucked air and a cleaning unit provided on the outer wall and provided to communicate with the inside, and the user can use the cleaning device from the outside. It can be easily cleaned without detaching the filter member through the cleaning unit.

An air purifier according to exemplary embodiments of the present invention includes a case forming an exterior, a suction unit provided on a side of the case to suck air from the outside, a filter member provided to filter the air sucked in from the inside of the case, and the A blowing fan disposed on the filter member in the interior of the case and provided to discharge the filtered air, a discharge unit provided at the upper portion of the case to discharge the air discharged from the blowing fan to the outside, and the inside of the case A blower including a driving unit disposed under the filter member to rotate the filter member, and a cleaning unit provided inside the case and provided to at least partially contact an outer wall of the filter member, and an upper portion of the blower device may include a flow switching device provided to switch the discharge direction of the air discharged from the blower, the filter member is rotated by the driving unit, and the foreign material on the outer wall is in contact with the cleaning unit can be removed.

The cleaning unit includes a dust collecting panel provided to constitute a part of the side wall of the case, a cleaning module fixed to the inner wall of the dust collecting panel and provided to contact the outer wall of the filter member, and a first provided to penetrate the side wall of the dust collecting panel It may include a penetration part, and an opening and closing part provided on the outer wall of the case to open or close the first penetration part, and foreign substances attached to the outer wall of the filter member are removed as the filter member is rotated by the driving part. , may be detached by the cleaning module and discharged to the outside through the first through-portion.

The cleaning module extends in the vertical direction, and both ends are provided to be fixed to the upper and lower portions of the inner wall of the dust collecting panel, respectively, a first cleaning member, and the cleaning module is extended in the vertical direction to be fixed to the first cleaning member and a second cleaning member, wherein the first cleaning member and the second cleaning member may have a sequentially stacked structure from the dust collecting panel toward the filter member.

The first cleaning member may be made of a rubber material to remove relatively large foreign substances, and the second cleaning member may be made of a brush to remove relatively small foreign substances.

The first cleaning member may be disposed adjacent to the outer wall of the filter member, the second cleaning member may be disposed in contact with the outer wall of the filter member.

An inner wall of the dust collecting panel may have a concave shape toward the first through portion.

The cleaning module may be provided to cross the inner wall of the dust collecting panel in the vertical direction.

The empty space between the filter member and the inner wall of the dust collecting panel, except for the portion provided with the cleaning module, serves as an air flow path through which foreign substances brushed off from the outer wall of the filter member through the cleaning module move. .

The first through portion may be provided in the center of the sidewall of the dust collecting panel.

The case may further include a second through-portion provided to penetrate the sidewall of the case, corresponding to the position where the first through-portion is formed.

The second through portion may have a larger diameter than the first through portion.

The air purifier may further include an anti-shock portion provided between the first through-hole and the second through-section.

The shock prevention unit may be made of a rubber material having an elastic force in order to mitigate the shock generated when the cleaning device approaches the second through-portion from the outside.

The anti-impact portion may be provided to have a ring shape through which a central portion is penetrated, and may have a diameter smaller than the second through portion and larger than or equal to that of the first through portion.

The air purifier may further include a guide member provided between the blower device and the flow conversion device, and provided to induce a state transition of the flow conversion device.

The flow diverter may be arranged to be placed in a first position, a second position, and a third position according to the operation of the guide member, and the first position is arranged such that an upper surface of the flow diverter is parallel to the ground. and the second position is a position in which the upper surface of the flow diverter is disposed to form a predetermined angle with respect to the ground, and the third position is such that the upper surface of the flow diverter is perpendicular to the ground. It may be a location where it is placed.

The blowers are sequentially stacked in the vertical direction, and a first blower provided to filter and blow air at a relatively low position, and a second blower to filter and blow air at a relatively high position. may be configured, and the cleaning unit may be provided in each of the first blower and the second blower.

The opening and closing part may be provided to be movable up and down or left and right on the outer wall of the case.

The driving unit may be controlled to be driven only in a state in which the opening/closing unit is opened, and not driven in a state in which the opening/closing unit is closed.

The air purifier according to exemplary embodiments of the present invention may include a blower provided to suck air from the outside, filter the sucked air, and discharge the filtered air, wherein the blower has an appearance. a case forming a case, a filter member provided to filter the air sucked in the case, a driving unit disposed under the filter member in the inside of the case to rotate the filter member, and provided inside the case It may include a cleaning unit provided to at least partially contact the outer wall of the filter member.

At this time, the filter member provided inside the blower may be controlled to be rotated by the driving unit disposed below, and the outer wall of the filter member through the cleaning unit provided to at least partially contact the outer wall of the filter member. Foreign substances attached to the can be detached and removed. Accordingly, the user of the air purifier can easily clean the air purifier without detaching the filter member provided inside the blower.

1 to 4 are perspective views for explaining an air purifier according to exemplary embodiments of the present invention.
5 to 8 are perspective views, cross-sectional views and elevation views for explaining an air cleaner according to exemplary embodiments of the present invention.
9 to 18 are perspective views, cross-sectional views, top views and elevation views for explaining an air purifier according to exemplary embodiments of the present invention.
19 to 26 are perspective views and cross-sectional views illustrating an air purifier according to exemplary embodiments of the present invention.
27 to 34 are perspective views, cross-sectional views, and rear views for explaining an air purifier according to exemplary embodiments of the present invention.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The following detailed description is provided to provide a comprehensive understanding of the methods, apparatus, and/or systems described herein. However, this is merely an example and the present invention is not limited thereto.

In describing the embodiments of the present invention, if it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to intentions or customs of users and operators. Therefore, the definition should be made based on the content throughout this specification. The terminology used in the detailed description is for the purpose of describing embodiments of the present invention only, and should in no way be limiting. Unless explicitly used otherwise, expressions in the singular include the meaning of the plural. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, acts, elements, some or a combination thereof, one or more other than those described. It should not be construed to exclude the presence or possibility of other features, numbers, steps, acts, elements, or any part or combination thereof.

In addition, in describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), (b), etc. may be used. These terms are only for distinguishing the components from other components, and the essence, order, or order of the components are not limited by the terms.

Hereinafter, a direction perpendicular to the ground is defined as a vertical direction, a direction parallel to the ground and perpendicular to the vertical direction is defined as a horizontal direction, and the distance in the horizontal direction with the vertical direction as the center is the rotation radius. A direction of an imaginary circle formed when rotating is defined as a circumferential direction.

1 to 4 are perspective views for explaining an air purifier according to exemplary embodiments of the present invention. Specifically, FIG. 1 is a perspective view for explaining the overall structure of the air purifier, and FIGS. 2 to 4 are enlarged perspective views of area A of FIG. 1 . At this time, FIG. 2 is a view for explaining the components of the flow conversion device included in the air purifier, and FIGS. 3 and 4 are views for explaining a cross section of the flow conversion device, respectively.

Referring to FIG. 1 , an air purifier 1 according to exemplary embodiments of the present invention sucks air from the outside, filters the sucked air, and a blower 10 is provided to discharge the filtered air. 20), arranged on the upper portion of the blower (10, 20), provided to suck the air discharged from the blower (10, 20) to adjust the discharge direction of the sucked air The flow diverter 30 and between the blowers 10 and 20 and the flow diverter 30 are provided such that one side is connected to the blower 30 and the other side is connected to the flow diverter 30 , , it may include a guide member 40 provided to induce a state transition of the flow conversion device (30).

The blowers 10 and 20 are provided to be disposed on the first blower 10 and the first blower 10 provided to blow air after suction and filtering at a relatively low position, and to be disposed at a relatively high position. It may include a second blower 20 provided to blow air after suction and filtering of the location. The first blower 10 and the second blower 20 may be stacked in the vertical direction, and may be coupled to each other through various methods such as fitting coupling, riveting coupling, and screw coupling.

The flow conversion device 30 may be provided to be disposed on the second blower 20 , and the guide member 40 may be provided to be connected to the second blower 20 and the flow conversion device 30 , respectively. can The guide member 40 and the second blower 20 may be coupled to each other through various methods such as fitting coupling, riveting coupling, screw coupling, and the like. , riveting, screwing, etc. can be coupled to each other through various methods.

Meanwhile, FIG. 1 shows that the blowers 10 and 20 include a first blower 10 and a second blower 20 sequentially stacked in the vertical direction, but the concept of the present invention is not It is not necessarily limited thereto, and the blower may include only one blower.

The first blower 10 includes a first case 100 forming an exterior, a first filter member 130 provided in the lower portion inside the first case 100 to filter air, and a first case 100 . It may include a first blower fan 160 provided at the upper portion of the interior to generate air flow, and the second blower 20 includes a second case 200 that forms an external appearance, and the inside of the second case 200 . It may include a second filter member 230 provided in the lower portion of the filter to filter the air, and a second blowing fan 260 provided in the upper portion of the second case 200 to generate air flow.

In exemplary embodiments, each of the first case 100 and the second case 200 may have a conical shape with an end cut off, or a cylindrical shape with a diameter gradually decreasing toward the top.

The first blower 10 may further include a first base 105 disposed under the first blower 10 , and the first base 105 may support the first blower 10 on the ground. It may be provided to support. The first base 105 may include a lower portion provided to contact the ground and an upper portion extending from the lower portion in the vertical direction and at least partially covered by the first case 100 . Meanwhile, although not shown, in the space between the inner wall of the first case 100 and the upper portion of the first base 105 , a first lower suction unit communicating with the inside of the first blower 10 may be further formed. Accordingly, external air may be sucked into the first blower 10 through the first lower suction unit.

The second blower 20 may further include a second base 205 disposed below the first blower 20 , and the second base 105 is a second on the first blower 10 . It may be provided to support the blower 20 . The second base 205 may include a lower portion provided to contact the ground and an upper portion extending in the vertical direction from the lower portion and at least partially covered by the second case 200 . Meanwhile, although not shown, a second lower suction unit communicating with the inside of the second blower 20 may be provided in the space between the inner wall of the second case 100 and the upper portion of the second base 205 . Accordingly, external air may be sucked into the second blower 20 through the second lower suction unit.

A first suction unit 110 provided to suck air from the outside may be formed on the sidewall of the first case 100 , and the first suction unit 110 may include at least a portion of the first case 100 . It may include a plurality of through-holes formed to be penetrated. In addition, a second suction unit 210 provided to suck air from the outside may be formed on the sidewall of the second case 200 , and the second suction unit 210 is the second suction unit 210 of the second case 100 . It may include a plurality of through-holes formed through at least a portion thereof.

The first suction unit 110 may be provided to have a line shape extending from the lower portion to the upper portion of the first case 100 , and may be formed in plurality on the sidewall of the first case 100 . The plurality of first suction units 110 may be formed evenly in the circumferential direction along the outer circumferential surface of the first case 100 so that air can be sucked in any direction with respect to the first case 100 . In addition, the second suction part 210 may also be provided to have a line shape extending from the lower part to the upper part of the second case 200 , and may be formed in plurality on the sidewall of the second case 200 . The plurality of second suction parts 210 may be uniformly formed along the outer peripheral surface of the second case 100 in the circumferential direction to allow air intake in any direction with respect to the second case 200 .

A first discharge unit 120 provided to discharge air to the outside may be formed on the upper surface of the first blower 10 , and the first discharge unit 120 is located above the first blower 10 . It may include a plurality of through-holes formed through at least a portion of the surface. In addition, a second discharge unit 220 provided to discharge air to the outside may be formed on the upper surface of the second blower 20 , and the second discharge unit 220 may include a second blower ( 20) It may include a plurality of through-holes formed through at least a portion of the upper surface.

The first discharge unit 120 may be provided to have a line shape extending from a distal portion of the upper surface of the first blower 10 to a portion adjacent to the central portion, and is disposed on the upper surface of the first blower 10 . It may be formed in plurality. The plurality of first discharge units 120 may be evenly formed to surround the remaining portions of the upper surface of the first blower 10 , except for the portion where the second base 205 is formed. In addition, the second discharge unit 220 may also be provided to have a line shape extending from a distal portion of the upper surface of the second blower 20 to a portion adjacent to the center portion, and the upper portion of the second blower 20 . It may be formed in plurality on the surface. The plurality of second discharge units 220 may be evenly formed to surround the remaining portions of the upper surface of the second blower 10 , except for the portion where the guide member 40 is formed.

In example embodiments, when viewed from the top, the plurality of first discharge units 120 may have a ring shape that together cover the edge portion of the upper surface of the first blower 10 , and the plurality of The second discharge units 220 may have a ring shape to cover an edge portion of the upper surface of the second blower 20 together. In an embodiment, the annular shape of the plurality of first discharge units 110 may include an outer portion higher than an inner portion, and a ring shape of the plurality of second discharge units 210 . Also, the outer portion may be disposed at a higher position than the inner portion.

The upper surface of the first blower 10 may include an edge portion in which the plurality of first discharge units 120 are disposed and a central portion in which the second base 205 is disposed, and the second blower 20 ) may include an edge portion in which the plurality of second discharge units 220 are disposed and a central portion in which the guide member 40 is disposed. In this case, the central portion of the upper surface of the first blower 10 may be disposed at a lower position than the edge portion, and the central portion of the upper surface of the second blower 20 is disposed at a lower position than the edge portion can be

Hereinafter, the upper surface of the first blower 10 is defined as referring only to the central portion where the second base 205 is disposed, excluding the edge portion where the plurality of first discharge parts 120 are disposed, , it is defined that the upper surface of the second blower 20 refers only to the central portion where the guide member 40 is disposed, excluding the edge portion where the plurality of second discharge units 220 are disposed. In example embodiments, the upper surface of the first blower 10 and the upper surface of the second blower 20 may each have a flat surface extending in the horizontal direction.

The flow diverter 30 forms an exterior, is provided to cover the rear surface of the flow diverter 30, and includes a rear case including a suction grill provided to suck the air discharged from the blowers 10 and 20, and a front case 300 including a discharge grill 320 coupled to the rear case and provided to cover the front surface of the flow conversion device 30, and provided to discharge air sucked through the suction grill. can The rear case extends from the rear panel 310 to the rear panel 310 covering the rear surface of the flow conversion device 30, and the rear panel 310 to the front case 300 to cover the rear side of the flow conversion device 30 It may include a side panel (305). The rear panel 310 of the rear case may be provided to serve as the suction grill. That is, the side panel 305 and the rear panel 310 may form the rear case together.

The guide member 40 may be provided in various structures to induce a state transition of the flow conversion device 30 . For example, in FIG. 1 , one side of the guide member 40 is connected to the upper surface of the second blower 20 , and the other side is connected to the flow conversion device 30 , the guide member 40 . Although it is shown that the state transition of the flow conversion device 30 is induced as the other side rises or falls, the concept of the present invention is not necessarily limited thereto. That is, the guide member 40 may be controlled to be drawn into the inside of the blowers 10 and 20 or drawn out from the upper surfaces of the blowers 10 and 20, for a detailed description thereof, see FIGS. 27 to 34 . will be described later with

In exemplary embodiments, the flow diverter 30 is configured such that, according to the operation of the guide member 40 , the upper surface of the flow diverter 30 is parallel to the upper surface of the second blower 20 . a first position arranged so that the upper surface of the flow diverter 30 forms a predetermined angle with respect to the upper surface of the second blower 20, and a second position in which the flow diverter 30 is disposed. The upper surface of the second blower 20 may be disposed at a third position perpendicular to the upper surface of the blower 20 .

1 shows that the flow diverting device 30 is disposed in the third position, detailed description of the flow diverting device 30 being disposed in the first and second positions is shown in Figs. 34 will be described later with reference to it.

Referring to FIG. 2 , the flow diverter 30 covers the front case 300 covering the front surface of the flow diverter 30 and the rear side of the flow diverter 30 so that air is not introduced from the outside. A side panel 305 having a shielded structure, a rear panel 310 that covers the rear surface of the flow conversion device 30 and serves as a suction grill, is provided between the front case 300 and the rear panel 310 and a blowing fan 360 for flowing air sucked in through the rear panel 310 toward the discharge grill 320, and an inner surface of the rear panel 310 between the blowing fan 360 and the rear panel 310 It may include a third filter member 350 which is provided to be seated on the suction grill and filters the air sucked in.

A display device 500 provided to display operation information of the air purifier 1 and the like may be provided on the upper surface of the flow conversion device 30 , and the flow conversion device 30 and the display device 500 operate together can be provided. In example embodiments, the display device 500 may be provided to partially or completely cover the upper surface of the flow diverter 30 .

The upper surface of the flow conversion device 30 and the side wall of the front case 300 may be provided to be spaced apart from each other, and the space between the upper surface of the flow conversion device 30 and the side wall of the front case 300 is outside A discharge grill 320 may be provided to discharge air into the furnace. When viewed from the top, the discharge grill 320 may have a structure surrounding the upper surface of the flow conversion device 30 , and accordingly, air intake in any direction based on the upper surface of the flow conversion device 30 . It may be provided to enable this. In exemplary embodiments, one side of the discharge grill 320 may be connected to the upper surface of the flow conversion device 30 , and the other side of the discharge grill 320 is on the inner wall of the front case 300 . can be connected

In exemplary embodiments, in a state in which the flow conversion device 30 is disposed in the first position, one side of the discharge grill 320 and the other side of the discharge grill 320 are located at different heights. can be In one embodiment, in a state in which the flow conversion device 30 is disposed at the first position, one side of the discharge grill 320 may be positioned higher than the other side of the discharge grill 320 .

The front case 300 and the rear case may be coupled from the upper side through a first hook coupling, and may be coupled from the lower side through a second hook coupling.

Specifically, an upper portion of the side panel 305 may be provided to include a first hook 333 , and an upper portion of the front case 300 may be provided to include a first hook hook 335 , and the side surface The upper portion of the panel 305 and the upper portion of the front case 300 may be fastened through the coupling of the first hook 333 and the first hook hook 335 . In addition, the lower portion of the side panel 305 may be provided to include a pair of second hook hooks 345 having a structure symmetrical to each other in the horizontal direction, and the lower portion of the front case 300 is a second hook hook. It may be provided to include a pair of second hooks 343 formed at positions corresponding to , and the lower part of the side panel 305 and the lower part of the upper case 300 are the second hook hook 345 and the second hook 345 . It may be fastened through the coupling of the two hooks 343 . In one embodiment, the lower portion of the side panel 305 may be provided to further include a magnet (not shown), and the lower portion of the upper case 300 is a magnetic coupling part (not shown) made of a metal material. ), and the lower portion of the side panel 305 and the lower portion of the upper case 300 may be coupled through the magnet and the magnet coupling portion to induce fastening.

Referring to FIG. 3 , the third filter member 350 may be disposed on the seating portion 340 provided on the boundary between the rear panel 310 and the side panel 305 .

The seating part 340 may have a shape that protrudes toward the front case compared to the rear panel, and may be provided to surround the edge of the rear panel 310 .

In example embodiments, the inner surface of the rear panel 310 and the filter member 350 may be disposed to contact each other, and may be provided to have the same area as each other.

Referring to FIG. 4 , the rear case of the flow conversion device 30 may be provided to be detachable when the flow conversion device 30 is disposed at the third position, and the filter member 350 includes the rear case of the front case. When separated from the case 300 may be provided to be detachable from the flow conversion device (30).

Specifically, in a state in which the flow conversion device 30 is disposed in the third position, that is, in a state in which the upper surface of the flow conversion device 30 is disposed perpendicular to the upper surface of the second blower 20 , as the coupling between the first hook 333 and the first hook hook 335 is released, the upper portion of the side panel 305 and the upper portion of the front case 300 may be separated first, and the second hook hook 345 ) and the second hook 343 is released, the lower portion of the side panel 305 and the lower portion of the upper case 300 may be separated later. On the other hand, when the lower part of the side panel 305 and the lower part of the upper case 300 further include the magnet and the magnet coupling part, respectively, the coupling of the second hook hook 345 and the second hook 343 is Before the release, the separation of the lower portion of the side panel 305 and the lower portion of the upper case 300 may be induced as the coupling of the magnet and the magnetic coupling portion is released.

In example embodiments, the first filter member 130 and the second filter member 230 may include the same filter, and the third filter 350 includes the first filter member 130 and the second filter member. It may be composed of a filter member 230 and a different filter. In one embodiment, each of the first filter member 130 and the second filter member 230 may be configured as a HEPA filter, and the third filter member 350 may be configured as a pre-filter.

As described above, the air discharged from the blowers 10 and 20 after being filtered by the first filter member 130 and/or the second filter member 230 is the rear panel 310 of the flow conversion device 30 . ) when sucked into the inside of the flow conversion device 30 through, foreign substances contained in the air may be additionally filtered while passing through the third filter member 350 disposed to contact the inner surface of the rear panel 310, , The third blowing fan 360 provided in the flow conversion device 30 and the discharge grill 320 provided in the front case 300 of the flow conversion device 30 blows the air that is additionally filtered of foreign substances and can be ejected. Accordingly, the inside of the flow diverter 30 may be less exposed from foreign substances through the third filter member 350 , and thus the internal cleaning cycle of the flow diverter 30 may be lengthened.

On the other hand, the rear case, that is, the side panel 305 and the rear panel 310 can be easily separated from the front case 300 by releasing the first hook coupling and the second hook coupling, respectively, and thus flow conversion Internal cleaning of the device 30 can be effectively performed.

In addition, the rear panel 310 serving as a suction grill to suck air, and the third filter member 350 seated on the inner surface of the rear panel 310, the rear case is separated from the front case (300) Afterwards, they can be individually washed, and thus the maintenance of the flow conversion device 30 can be easily performed.

5 to 8 are perspective views, cross-sectional views and elevation views for explaining an air cleaner according to exemplary embodiments of the present invention. Specifically, FIG. 5 is a perspective view for explaining the overall structure of the air purifier, FIG. 6 is an enlarged perspective view of area B of FIG. 5 , and FIG. 7 is a second blower and flow conversion device included in the air purifier. It is a cross-sectional view for explaining the internal structure of, Figure 8 is an elevation view for explaining the external structure of the second blower and the flow conversion device. At this time, FIG. 6 is a view for explaining a cross section of each of the second blower and the flow conversion device.

Since the air purifier described with reference to FIGS. 5 to 8 is substantially the same or similar to the air purifier described with reference to FIGS. 1 to 4 , the same reference numerals are used for the same components, and detailed A description is omitted.

Referring to FIG. 5 , the air purifier 1 according to exemplary embodiments of the present invention may include sequentially stacked blowers 10 and 20 , a guide member 40 , and a flow conversion device 30 . have. At this time, the blowers 10 and 20 are provided to be disposed on the first blower 10 and the first blower 10 provided to suck and filter the air at a relatively low position, and then blow the air. It may include a second blower 20 provided to blow the air at a high position to the suction and filter after filtering.

The first blower 10 includes a first case 100 forming an exterior, a first filter member 130 provided in the lower portion inside the first case 100 to filter air, and a first case 100 . It may include a first blower fan 160 provided at the upper portion of the interior to generate air flow, and the second blower 20 includes a second case 200 that forms an external appearance, and the inside of the second case 200 . It may include a second filter member 230 provided in the lower portion of the filter to filter the air, and a second blowing fan 260 provided in the upper portion of the second case 200 to generate air flow.

A first suction unit 110 provided to suck air from the outside may be formed on the side wall of the first case 100 , and provided on the side wall of the second case 200 to suck air from the outside A second suction unit 210 may be formed, and a first discharge unit 120 provided to discharge air to the outside may be formed on the upper surface of the first blower 10 , and the second A second discharge unit 220 provided to discharge air to the outside may be formed on the upper surface of the blower 20 .

6 to 8, in a state in which the upper surface of the flow diverter 30 and the upper surface of the second blower 20 are horizontally arranged, the flow diverter 30 and the second blower ( 20) are disposed to be spaced apart from each other, so that at least a portion of the air discharged from the second discharge unit 220 is disposed between the flow conversion device 30 and the second blower 20 along the outer wall of the flow conversion device 30 . It may be discharged to the outside through the separation space.

The flow conversion device 30 forms an exterior, is provided to cover the rear surface of the flow conversion device 30, and a suction grill 310 provided to suck the air discharged from the second blower 20 provided in the lower portion ) to form a rear case, an exterior, and a discharge grill ( 320), and is provided between the front case 300 and the rear case, and generates an air flow so that the air sucked through the suction grill 310 is discharged through the discharge grill 320 It may include a blowing fan 360. The rear case may include a rear panel 310 covering the rear surface and a side panel 305 extending from the rear panel 310 to the front case 300 to cover the rear side, and the rear panel 310 may be provided to serve as the suction grill 310 .

At this time, the portion of the rear case except for the portion where the suction grill 310 is formed, that is, the portion where the side panel 305 is formed, may have a shielded structure to restrict the movement of air, and thus the second discharge portion ( It may be provided so that the air discharged from the 220) is sucked into the inside of the flow conversion device 30 only through the suction grill 310.

The rear panel 310 and the side panel 305 may be integrally formed, and the side panel 305 and the front case 300 may be provided to be fastened through, for example, hook coupling.

The flow diverter 30 may be disposed in the first position, the second position, and the third position according to the operation of the guide member 40 , and the flow diverter 30 is disposed at the first position In this state, the side wall of the rear case may be disposed to be spaced apart from the side wall of the second blower 20 .

In exemplary embodiments, the sidewall of the second blower 20 , that is, the sidewall of the second case 200 may be provided to have a vertical inclination with respect to the rear panel 310 , and the side panel 305 . may be provided to have an inclined inclination with respect to the rear panel 310 .

In exemplary embodiments, the lower surface and the upper surface of the side panel 305 may be provided to have a ring shape, respectively, and the circumference of the lower surface of the side panel 305 is the side panel ( 305) may be provided to have a size smaller than the circumference of the upper surface.

In exemplary embodiments, the outer wall of the side panel 305 may be provided to have a curved shape. In one embodiment, in a state in which the flow conversion device 30 is disposed in the first position, the outer wall of the side panel 305 is closer to the front case 300 and further away from the second discharge unit 220 . may be provided.

In exemplary embodiments, in a state in which the flow diverter 30 is disposed in the first position, the second discharge unit 220 is partially covered by the rear grill 310 of the flow diverter 30 . It can be provided as much as possible. Accordingly, some of the air discharged from the second discharge unit 220 may be discharged to the outside along the outer wall of the side panel 305 , and the remaining part of the air discharged from the second discharge unit 220 is at the rear side. It may be sucked into the inside of the flow diverter 30 through the grill 310 .

The second blower 20 is provided to be disposed on the second blower fan 260 and may further include a guide member seating part 270 provided to seat the guide member 40 . The guide member seating portion 270 may be controlled to rotate in a clockwise or counterclockwise direction, and accordingly, the operating direction of the guide member 40 may be freely adjusted along the circumferential direction.

The second blower 20 is provided to be disposed under the second discharge unit 220 and further includes a protrusion 280 provided to increase the flow rate of air moving along the inner wall of the second case 200 . can do. The protrusion 280 may have a shape protruding from the inner wall of the second case 200 in the horizontal direction.

Meanwhile, FIGS. 6 and 7 show only the structure of the second blower 20 and the structure of the first blower 10 is not shown, but the first blower 10 is also the first discharge unit 120 . It is provided to be disposed under the first case 100 and may further include a protrusion (not shown) provided to increase the flow rate of air moving along the inner wall of the first case 100, included in the first blower 10 The protruding portion may have a shape protruding in the horizontal direction from the inner wall of the first case 100 . When the first blower 10 and the second blower 20 each include a protrusion, the protrusion included in the first blower 10 may be referred to as a first protrusion, and the second blower 20 ) may be referred to as a second protrusion. However, hereinafter, for convenience of explanation, it is not specified whether or not the first blower 10 includes the first protrusion, but the second protrusion included in the second blower 20 includes the protrusion 280 . to be referred to as

The second blowing fan 260 provided inside the second blowing device 20 and the third blowing fan 360 provided inside the flow conversion device 30 are both to be provided as mixed flow fans. can

Meanwhile, although FIGS. 6 and 7 show only the structure of the second blower 20 and do not show the structure of the first blower 10 , the first blower provided inside the first blower 10 . The fan 160 may also be provided as a flow fan.

As described above, in a state in which the upper surface of the flow diverter 30 and the upper surface of the second blower 20 are horizontal, that is, in a state in which the flow diverter 30 is arranged in the first position. , the side panel 305 of the flow conversion device 30 and the second discharge unit 220 of the second blower 20 may be disposed to be spaced apart from each other in the vertical direction, and from the second discharge unit 220 At least some of the discharged air may be discharged to the outside through a space between the side panel 305 and the second discharge unit 220 .

That is, the air blown upward in the vertical direction using the second blowing fan 260 due to the Coanda effect, in which the airflow that approaches the wall surface is sucked and attached to the surface and has a tendency to flow. At least a part of it may be ejected adjacent to the inner wall of the second case 200 , and then may be directly discharged to the outside through the second discharge unit 220 without going through the flow conversion device 30 . Accordingly, the components provided inside the flow conversion device 30 may not act as unnecessary resistance elements of the air flow, and the wind speed of the air discharged from the second blower 20 does not decrease and reaches the distance ( blowing distance) can be improved. Meanwhile, when the second blower 20 further includes the protrusion 280 , the wind speed of the air discharged from the second blower 20 may increase.

9 to 18 are perspective views, cross-sectional views, top views and elevation views for explaining an air purifier according to exemplary embodiments of the present invention. Specifically, FIGS. 9, 11, 14 and 18 are perspective views, FIGS. 10 and 17 are cross-sectional views, FIGS. 12 and 15 are top views, and FIGS. 13 and 16 are elevation views. At this time, FIG. 9 is a perspective view for explaining the overall structure of the air purifier, FIG. 10 is an enlarged cross-sectional view of region C of FIG. 9 , and FIGS. 11 to 18 are flow control devices included in the air purifier. drawings for

The air purifier described with reference to FIGS. 9 to 18 is substantially the same as or similar to the air purifier described with reference to FIGS. A description is omitted.

Referring to FIG. 9 , the air purifier 1 according to exemplary embodiments of the present invention may include sequentially stacked blowers 10 and 20 , a guide member 40 , and a flow conversion device 30 . have. At this time, the blowers 10 and 20 are provided to be disposed on the first blower 10 and the first blower 10 provided to suck and filter the air at a relatively low position, and then blow the air. It may include a second blower 20 provided to suck air at a high position and blow it after filtering.

The first blower 10 includes a first case 100 forming an exterior, a first filter member 130 provided in the lower portion inside the first case 100 to filter air, and a first case 100 . It may include a first blower fan 160 provided at the upper portion of the interior to generate air flow, and the second blower 20 includes a second case 200 that forms an external appearance, and the inside of the second case 200 . It may include a second filter member 230 provided in the lower portion of the filter to filter the air, and a second blowing fan 260 provided in the upper portion of the second case 200 to generate air flow.

A first suction unit 110 provided to suck air from the outside may be formed on the side wall of the first case 100 , and provided on the side wall of the second case 200 to suck air from the outside A second suction unit 210 may be formed, and a first discharge unit 120 provided to discharge air to the outside may be formed on the upper surface of the first blower 10 , and the second A second discharge unit 220 provided to discharge air to the outside may be formed on the upper surface of the blower 20 .

Referring to FIG. 10 , the first blowing device 10 is disposed on the first blowing fan 160 inside the first case 100 and measures the flow area of the air discharged from the first blowing fan 160 . It may further include a first flow path control device 170 provided to adjust, the first flow path control device 170 is a flow area in which air flows between the first blowing fan 160 and the first discharge unit 120 . By selectively closing a part of the ventilator, the air discharged from the first blowing fan 160 may be provided to be selectively concentrated in a specific area.

Although not shown, the second blower 20 is also disposed on the second blower fan 260 inside the second case 200 and adjusts the flow area of the air discharged from the second blower fan 260 . It may further include a second flow path control device (not shown) provided to do so, wherein the second flow path control device controls the flow area through which air flows between the second blowing fan 260 and the second discharge unit 220 . By selectively closing a part, the air discharged from the second blowing fan 160 may be provided to be selectively concentrated in a specific area.

10 to 18 show only the first flow path control device 170 included in the first blower 10, and the second flow path control device included in the second blower 20 is not shown. , the second flow path control device may be provided to have a structure substantially the same as or similar to that of the first flow path control device 170 . Therefore, hereinafter, for convenience of explanation, only the first flow path control device 170 will be described in detail, and a detailed description of the second flow path control device included in the second blower 20 will be omitted. do.

The first flow path control device 170 is rotatably provided on the upper portion of the first blowing fan 160, the first frame 170a provided to have a cylindrical shape, and the same height as the upper surface of the first frame 170a The second frame 170b is provided to have an upper surface of , and is spaced apart from the first frame 170a and provided to have a ring shape surrounding the upper portion of the first frame 170a.

11 to 13 , the first flow path control device 170 has one end fixed to the first frame 170a and the other end between the first frame 170a and the second frame 170b and the second frame ( 170b), a flow path control panel provided to partially cover the space between the first frame 170a and the second frame 170b, and provided inside the first frame 170a, the flow path control panel It may include a flow path control link 180 connected to the other end to induce opening and closing of the flow path control panel, and is covered by the flow path control panel in a space between the first frame 170a and the second frame 170b. A concentrated air flow path 190 may be formed on a portion that is not.

In addition, the first flow path control device 170 is provided inside the first frame 170a and includes a first driving part provided to drive the rising and falling of the flow path control link 180 , and the inside of the first frame 170a . It may further include a second driving part provided in the first frame (170a) to drive the rotation, the first driving part and the second driving part are arranged to be spaced apart from each other in the space inside the first frame (170a). can be

The first driving unit includes a first motor 183 providing power, a first shaft protruding from one side of the first motor 183 to rotate, and a first wheel 184 coupled to the first shaft. A first rail 187 extending in the vertical direction may be provided on a portion of the inner wall of the flow path control link 180 , and the flow path control link 180 includes a first wheel 184 . It may be controlled to ascend or descend by rotating in engagement with the first rail 187 .

The second driving unit includes a second motor 173 providing power, a second shaft protruding from one side of the second motor 173 to rotate, and a second wheel 174 coupled to the second shaft. may include, and a second rail 177 extending in a horizontal direction horizontal to the ground may be provided on a portion of the inner wall of the first case 100, and the first frame 170a includes a second wheel ( 174 may be controlled to rotate in the circumferential direction along the inner wall of the first case 100 by rotating in engagement with the second rail 177 .

The flow path control panel may include a plurality of control panels 175, and a plurality of penetrating members 171 passing through each of the control panels 175 and integrally formed with the control panel 175, One penetrating member 171 may be provided to extend through the second frame 170b, the control panel 175, and the first frame 170a in sequence along the horizontal direction.

In exemplary embodiments, each of the control panels 175 may have an annulus sector shape in which both the upper and lower sides of the trapezoid are rounded, and the plurality of control panels 175 are formed together. It may be arranged to partially fill a space between the first frame 170a and the second frame 170b.

The penetrating member 171 may extend on the upper surface of the flow path control link 180 through the first frame 170a in the horizontal direction, and then be bent and extended in a horizontal direction different from the horizontal direction. .

In exemplary embodiments, the penetrating member 171 passes through the first frame 170a in a first direction among the horizontal directions and extends on the upper surface of the flow path control link 180, and then extends in the horizontal directions. It may be provided to be bent and extended in a second direction different from the first direction. In an embodiment, the first direction and the second direction may be orthogonal to each other.

Hereinafter, a portion of the penetrating member 171 extending in the first direction will be referred to as a first portion, and a portion of the penetrating member 171 that is bent and extended in the second direction will be referred to as a second portion. decide to do

The flow path control link 180 may include a through fastening portion 181 provided to protrude from the upper surface, and one end of the penetrating member 171 extending from the control panel 175 through the second frame 170b. may be fastened to the second frame 170b, and the other end of the penetrating member 171 extending from the control panel 175 through the first frame 170a passes through the through fastening portion 181 to control the flow path control link. 180 may be fastened.

In exemplary embodiments, when viewed from the top, the flow path control link 180 may have a ring shape surrounded by the inner wall of the first frame 170a, and the sidewall of the first frame 170a is configured to control the flow path. The link 180 may have a ring shape surrounding the outer circumferential surface, and the second frame 170b may have a ring shape spaced apart from the first frame 170a.

The plurality of control panels 175 included in the flow path control panel may be evenly arranged in the circumferential direction along the outer circumferential surface of the first frame 170a in the space between the first frame 170a and the second frame 170b. However, it may not be disposed on a portion of the space between the first frame 170a and the second frame 170b, and accordingly, the first blower may not be disposed on the portion of the space not covered by the control panels 175 . A concentrated air flow path 190 through which the air discharged from the fan 160 can move intensively may be formed.

The concentrated air flow path 190 is formed only when the flow path control link 180 is controlled to rise by the first driving unit, and is not formed when the flow path control link 180 is controlled to descend by the first driving unit. may not be

In exemplary embodiments, when the flow path control link 180 is raised, the upper portion of the through fastening portion 181 is higher than the first frame 170a and the second frame 170b in the vertical direction. can protrude.

14 to 16 , the flow path control link 180 may be controlled to descend by the first driving unit, and thus the flow path control panel may be opened.

Specifically, when the first wheel 184 of the first driving unit is controlled to rotate in engagement with the first rail 187 provided on the inner surface of the flow path control link 180 to lower the flow path control link 180, The through fastening part 181 provided on the upper surface of the flow path control link 180 also descends together with the flow path control link 180 , that is, the part fastened to the through fastening part 181 of the penetrating member 171 , that is, The second portion of the penetrating member 171 that is bent and extended in the second direction also moves downward in the vertical direction, and the rest of the penetrating member 171 except for the second portion of the penetrating member 171 . A part, that is, the first part extending in the first direction of the penetrating member 171 may be rotated clockwise or counterclockwise, and the control panel ( 175 may also be rotated together with the penetrating member 171 .

Accordingly, as the plurality of control panels 175 rotate, the flow path control panel may be partially opened, and the air discharged from the first blowing fan 160 is discharged from the first frame 170a and the second frame. In the space between the 170b, the concentrated air flow path 190 may be moved through a portion not formed.

16 shows that the plurality of control panels 175 are rotated to form an angle that is not perpendicular to the second frame 170, respectively, when viewed from the side, the concept of the present invention is not necessarily limited thereto. Each of the control panels 175 may be rotated to form an angle perpendicular to the second frame 170 .

Although not shown in the city. The lower surface of the first frame 170a may be provided to have first and second openings formed at positions corresponding to the edge of the flow path control link 180 and the lower portion of the first rail 187 , respectively. The first opening may be a portion in which an edge portion of the flow path control link 180 passes through the lower surface of the first frame 170a in the vertical direction when the flow path control link 180 descends. The second opening may be a portion in which the lower portion of the first rail 187 passes through the lower surface of the first frame 170a in the vertical direction when the flow path control link 180 descends.

In exemplary embodiments, in a state in which the flow path control link 180 is lowered, a lower portion of the through fastening portion 181 may protrude lower than a lower surface of the first frame 170a in the vertical direction.

Referring to FIG. 17 , the first rail 187 may be disposed to correspond to the position of the first wheel 184 , and accordingly, the rising and falling of the flow path control link 180 may be controlled by the first driving unit. can

Referring to FIG. 18 , the second rail 177 may be disposed to engage and contact the second wheel 174 , and accordingly, the rotation of the flow path control link 180 in the circumferential direction is performed by the second driving unit. can be controlled.

Although not shown, the first frame 170a may include a third opening penetrating the lower surface of the first frame 170a in the vertical direction, and is provided in the second driving unit and the second wheel 174, respectively. The fastened second shaft may be moved along the circumferential direction along the third opening. The third opening may be formed to partially penetrate the lower surface of the first frame 170a along the circumferential direction based on the central portion of the lower surface of the first frame 170a.

In example embodiments, when the first frame 170a is rotated in one direction by the second driving unit, the other end of the flow path control panel fixed to the first frame 170a may also be rotated in the one direction. Accordingly, the concentrated air flow path 190 may also be controlled to rotate in the one direction.

As described above, when the flow path control link 180 is lowered by the first driving part, the other end of the penetrating member 171 fastened to the through fastening part 181 is also lowered to be integral with the penetrating member 171 . The control panel 175 formed of . may be rotated in one direction, and the flow path control panel may be controlled to be opened. Accordingly, when the flow path control link 180 is controlled to rise, a portion of the flow area through which air flows between the first blowing fan 160 and the first discharge unit 120 may be selectively closed, and thus Accordingly, the air discharged from the first blowing fan 160 may be controlled to selectively blow the air to a specific area.

On the contrary, when the flow path control link 180 is raised by the first driving part, the other end of the penetrating member 171 fastened to the through fastening part 181 is also raised together and formed integrally with the penetrating member 171 . The control panel 175 may be rotated in a direction opposite to the one direction, and the flow path control panel may be controlled to be closed. Accordingly, when the flow path control link 180 is controlled to descend, the entire flow area through which air flows between the first blowing fan 160 and the first discharge unit 120 may be opened. The air discharged from the blowing fan 160 may be controlled to blow evenly over all areas.

In addition, the flow path control panel 180 may be rotated in the circumferential direction along the inner wall of the first case 100 by the second driving unit, so that the concentrated air flow path 190 is also rotated in the circumferential direction. can be controlled.

19 to 26 are perspective views and cross-sectional views illustrating an air purifier according to exemplary embodiments of the present invention. Specifically, FIGS. 19 and 20 are perspective and cross-sectional views for explaining the overall structure of the air purifier, and FIGS. 21 , 22 and 23 are views for explaining the first filter member and the first cleaning unit included in the air purifier. , FIGS. 24 , 25 and 26 are enlarged perspective views of region D of FIG. 19 , respectively.

The air purifier described with reference to FIGS. 19 to 26 is substantially the same as or similar to the air purifier described with reference to FIGS. A description is omitted.

19 and 20 , the air purifier 1 according to exemplary embodiments of the present invention includes the sequentially stacked blowers 10 and 20 , the guide member 40 and the flow conversion device 30 . may include At this time, the blowers 10 and 20 are provided to be disposed on the first blower 10 and the first blower 10 provided to suck and filter the air at a relatively low position, and then blow the air. It may include a second blower 20 provided to blow the air at a high position to the suction and filter after filtering.

The first blower 10 includes a first case 100 forming an exterior, a first filter member 130 provided in the lower portion inside the first case 100 to filter air, and a first case 100 . It may include a first blower fan 160 provided at the upper portion of the interior to generate air flow, and the second blower 20 includes a second case 200 that forms an external appearance, and the inside of the second case 200 . It may include a second filter member 230 provided in the lower portion of the filter to filter the air, and a second blowing fan 260 provided in the upper portion of the second case 200 to generate air flow.

A first suction unit 110 provided to suck air from the outside may be formed on the side wall of the first case 100 , and provided on the side wall of the second case 200 to suck air from the outside A second suction unit 210 may be formed, and a first discharge unit 120 provided to discharge air to the outside may be formed on the upper surface of the first blower 10 , and the second A second discharge unit 220 provided to discharge air to the outside may be formed on the upper surface of the blower 20 .

The first blower 10 is disposed under the first filter member 130 and at least partially on the outer wall of the third driving part provided to rotate the first filter member 130 , and the first filter member 130 . It may further include a first cleaning unit provided to be in contact with, the first filter member 130 may be rotated by the third driving unit, the foreign substances present on the outer wall of the first filter member 130 is the first It can be removed by contact with the cleaner.

Although not shown, the second blower 20 is also disposed below the second filter member 230 to rotate the second filter member 230 and a fourth driving part provided to rotate the second filter member 230 . It may further include a second cleaning unit provided to at least partially contact the outer wall, the second filter member 230 may be rotated by the fourth driving unit, and the second filter member 230 is present on the outer wall of the second filter member 230 . Foreign substances may be removed by contact with the second cleaning unit.

The fourth driving unit and the second cleaning unit included in the second blower 20 are provided to have substantially the same or similar structures as the third driving unit and the first cleaning unit included in the first blower 10, respectively can be Therefore, hereinafter, for convenience of explanation, only the third driving unit and the first cleaning unit included in the first blower 10 will be described in detail, and the fourth part included in the second blower 20 will be described in detail. A detailed description of the driving unit and the second cleaning unit will be omitted.

21 to 23 , the first cleaning unit is fixed to the inner wall of the first dust collecting panel 140 provided to constitute a part of the side wall of the first case 100 , and the first dust collecting panel 140 , The first cleaning module 145 provided to contact the outer wall of the first filter member 130, the first through-portion 149a provided to penetrate the side wall of the first dust collecting panel 140, and the first through-portion ( 149a) may include an opening/closing part 155 provided on the outer wall of the case to open or close.

The third driving unit includes a third motor 131 providing power, a third shaft protruding from one side of the third motor 131 to rotate, and a third wheel 132 coupled to the third shaft. may include.

A first lower plate 125 for rotating the first filter member 130 may be provided between the first filter member 130 and the third driving unit, which is disposed under the first filter member 130 and rotates the first filter member 130, A third rail 133 extending in the circumferential direction with respect to the central portion of the first lower plate 125 may be provided under the first lower plate 125 . The third wheel 132 may be provided to rotate while being engaged with the third rail 133 , so that the first filter member 130 moves the inner wall of the first rotation plate 125 by the third driving unit. Accordingly, it may be controlled to rotate in the circumferential direction.

20 and 21 together, a first upper plate may be provided on the upper portion of the first filter member 130, and a first filter member ( A first bearing 135 provided to reduce frictional force generated when the 130 rotates may be provided.

As the first filter member 130 is rotated by the third driving part, foreign substances attached to the outer wall of the first filter member 130 are detached by the first cleaning module 145 and the first through part 149a. ) can be discharged to the outside. In one embodiment, the first through portion 149a may be provided at the center of the sidewall of the first dust collecting panel 140 .

The first cleaning module 145 extends in the vertical direction, and both ends of the first cleaning member 145a are provided to be fixed to the upper and lower portions of the inner wall of the first dust collecting panel 140, respectively, and in the vertical direction. It may include a second cleaning member (145b) provided to extend to be fixed to the first cleaning member (145a), the first cleaning member (145a) and the second cleaning member (145b) is a first dust collecting panel (140) It may have a sequentially stacked structure from the to the first filter member 130 . In this case, the first cleaning member 145a may be disposed adjacent to the outer wall of the first filter member 130 , and the second cleaning member 145b may be disposed in contact with the outer wall of the first filter member 130 . have.

In exemplary embodiments, the first cleaning member 145a may be made of a rubber material to remove relatively large foreign substances, and the second cleaning member 145b may be made of a brush to remove relatively small foreign substances. can

The inner wall of the first dust collecting panel 140 may have a concave shape toward the first through portion 149a, and the first cleaning module 145 is disposed along the vertical direction of the first dust collecting panel 140 . It may be provided so as to cross the inner wall.

The empty space between the first filter member 130 and the inner wall of the first dust collecting panel 140 excluding the portion provided with the first cleaning module 145 is first cleaned from the outer wall of the first filter member 130 . The module 145 may serve as an air flow path through which foreign substances brushed off move.

Meanwhile, the first case 100 may further include a second through portion 149b provided to penetrate the sidewall of the first case 100 corresponding to the position where the first through portion 149a is formed. The first through portion 149a and the second through portion 149b may form a first through hole 149 together. The second through portion 149b may have a larger diameter than the first through portion 149a.

An impact prevention part 150 may be provided between the first penetration part 149a and the second penetration part 149b, and the impact prevention part 150 approaches the cleaning device from the outside to the first penetration hole 149. In order to alleviate the impact generated when doing so, it may be made of a rubber material having elasticity.

In exemplary embodiments, the impact prevention unit 150 may be provided to have a ring shape through which the middle portion is penetrated, and is smaller than the second through portion 149b and larger than or equal to the diameter of the first through portion 149a. can have

Meanwhile, the shock prevention unit 150 may include a detection sensor capable of recognizing an external cleaning device, and the third driving unit may be controlled to operate through the detection sensor.

22 does not show the third wheel 132 to show the inner wall of the third rail 133, and FIG. 23 does not show the third motor 131 to avoid overlapping description, but the present invention does not show the third wheel 132. Those of ordinary skill in the art to which the third wheel 132 is fastened to the upper portion of the third motor 131, the third rail provided between the first lower plate 125 and the third motor 131 ( 133) can be easily understood.

24 to 26 , on the outer wall of the first case 100, a first opening/closing part 155 for opening or closing the first penetration part 149a and the second penetration part 149b may be provided. , the first opening and closing part 155 may be provided to be movable up and down or left and right on the outer wall of the first case 100 .

24 to 26 show that the first opening and closing part 155 is provided to be movable up and down in the vertical direction, and more specifically, FIG. 24 shows that the first opening and closing part 155 is closed, 25 shows that the first opening/closing part 155 is opened, and FIG. 26 is the first provided inside the first case 100 using a cleaning device from the outside when the first opening/closing part 155 is opened. Cleaning the filter member 130 is shown.

In an embodiment, the third driving unit may be controlled to be driven only in an open state of the first opening/closing part 155 and not driven in a closed state of the first opening/closing part 155 .

As described above, the first filter member 130 provided inside the first blower 10 may be controlled to rotate in the circumferential direction by the third driving unit disposed below, and the first filter member Foreign substances attached to the outer wall of the first filter member 130 may be detached through the first cleaning module 145 provided to at least partially contact the outer wall of the 130 . Thereafter, foreign substances detached from the first filter member 130 may be removed through the first through hole 149 using a cleaning device provided outside the first blower 10 . Accordingly, the user of the air purifier 1 can easily clean without detaching the first filter member 130 provided inside the first blower 10 .

27 to 34 are perspective views, cross-sectional views, and rear views for explaining an air purifier according to exemplary embodiments of the present invention. Specifically, FIG. 27 is a perspective view for explaining the overall structure of the air purifier, and FIGS. 28 to 34 are enlarged cross-sectional views and enlarged rear views of area E of FIG. 27 . At this time, FIGS. 28 to 34 are views for explaining the flow conversion device and the guide member included in the air purifier.

Since the air purifier described with reference to FIGS. 27 to 34 is substantially the same or similar to the air purifier described with reference to FIGS. 1 to 4 , the same reference numerals are used for the same components, and detailed descriptions of the same components A description is omitted.

Referring to FIG. 27 , the air purifier 1 according to exemplary embodiments of the present invention may include sequentially stacked blowers 10 and 20 , a guide member 40 and a flow conversion device 30 . have. At this time, the blowers 10 and 20 are provided to be disposed on the first blower 10 and the first blower 10 provided to suck and filter the air at a relatively low position, and then blow the air. It may include a second blower 20 provided to suck air at a high position and blow it after filtering.

The first blower 10 includes a first case 100 forming an exterior, a first filter member 130 provided in the lower portion inside the first case 100 to filter air, and a first case 100 . It may include a first blower fan 160 provided at the upper portion of the interior to generate air flow, and the second blower 20 includes a second case 200 that forms an external appearance, and the inside of the second case 200 . It may include a second filter member 230 provided in the lower portion of the filter to filter the air, and a second blowing fan 260 provided in the upper portion of the second case 200 to generate air flow.

The flow conversion device 30 may be disposed above the second blower 20 , and may be provided to suck the air discharged from the second blower 20 and adjust the discharge direction of the sucked air. .

The guide member 40 is provided so that one side is drawn into the inside of the second blower 20 , and the other side is connected to the flow conversion device 30 , to induce a state transition of the flow conversion device 30 . It may be controlled to be drawn into the inside of the second blower 20 or to be drawn out from the upper surface of the second blower 20 . In exemplary embodiments, the angle between the upper surface of the flow diverter 30 and the upper surface of the second blower 20 may increase or decrease depending on the degree of withdrawal of the guide member 40 .

According to the operation of the guide member 40, the flow diverter 30 has a first position in which the upper surface of the flow diverter 30 is disposed to be horizontal with the upper surface of the second blower 20, the flow A second position in which the upper surface of the diverter 30 is disposed to form a predetermined angle with respect to the upper surface of the second blower 20, and the upper surface of the flow diverter 30 is the second blower It may be disposed in a third position disposed to form a vertical with the upper surface of (20).

28 and 29 show that the flow diverter 30 is arranged in the first position.

Referring to FIGS. 28 and 29 , the guide member 40 forms an exterior, one side is provided to be drawn into the inside of the second blower 20 , and is drawn out from the upper surface of the second blower 20 . The outer housing 400 is provided to be movable and one side is introduced into the outer housing 400 and the other side is provided to be connected to the flow conversion device 30 , and the second blow of the outer housing 400 . The device 20 may include an inner housing 405 provided to be moved by being drawn out from the one side and the other side provided to be drawn into the inside of the device 20 . The outer housing 400 may have a structure surrounding the inner housing 405 .

In example embodiments, the outer housing 400 may have an overall curved column shape, and the inner housing 405 may have a column shape having a relatively smaller size than the column shape of the outer housing 400 . . At this time, the pillar shape of the outer housing 400 is provided such that the upper surface is opened, so that the inner housing 405 is drawn into the outer housing 400 or drawn out from the open upper surface of the outer housing 400 . It can be arranged so that

The angle between the upper surface of the flow conversion device 30 and the upper surface of the second blower 20 is primarily increased or decreased depending on the degree to which the outer housing 400 is drawn out from the second blower 20 . and may be further increased or decreased according to the degree to which the inner housing 405 is drawn out from the outer housing 400 .

In exemplary embodiments, in a state in which the flow conversion device 30 is disposed in the first position, the outer housing 400 may be drawn into the inside of the second blower 20 and may not be exposed to the outside. .

The guide member 40 is provided inside the second blower 20 and provided inside the fourth driving part 420 provided to be adjacent to the outer surface of the outer housing 400 , and the inner housing 405 to the outside. A fifth driving unit 430 provided to be adjacent to the inner surface of the housing 400 may be included.

The fourth driving unit 420 is fastened to a fourth motor 421 providing power, a fourth shaft 423 provided to protrude from one side of the fourth motor 421 to rotate, and the fourth shaft 423 . and a fourth wheel 425 , the fifth driving unit 430 is a fifth motor 431 providing power, a fifth shaft protruding from one side of the fifth motor 431 to rotate 433 , and a fifth wheel 435 coupled to the fifth shaft 433 may be included.

29 and 34 together, the outer housing 400 includes a first guide rail 410a provided to cross the outer surface of the outer housing 400 in the longitudinal direction, and the outer housing 400 It may include a second guide rail 410b provided to cross the inner surface of the longitudinal direction. The first guide rail 410a and the second guide rail 410b may be respectively formed in the middle of the outer housing 400 in the longitudinal direction and disposed to face each other. The first guide rail 410a and the second guide rail 410b may be integrally formed, and the guide rail 410 may be formed together.

29 and 34 together, the inner housing 405 includes a trench 407 provided to cross the outer surface of the inner housing 405 in the longitudinal direction, and a first formed to penetrate a portion of the trench 407 . It may include 4 openings.

The trench 407 may have a shape recessed from the outer surface of the inner housing, and may be formed at a position corresponding to a portion where the second guide rail 410b is formed. That is, the second guide rail 410b formed on the inner surface of the outer housing 400 may have a shape that protrudes toward the outer surface of the inner housing 405 , in this case, from the outer surface of the inner housing 405 . Since the trench 407 having a recessed shape may be formed, the inner housing 405 may be drawn out from the outer housing 400 without being caught in the second guide rail 410b.

The fourth opening may have various shapes, such as a polygonal shape and/or a circular shape, and may be formed at a position corresponding to a portion where the fourth wheel 435 of the fourth driving part 430 is formed. That is, the fourth wheel 435 may be disposed to engage the second guide rail 410b formed on the inner surface of the outer housing 400 through the fourth opening, and the fourth wheel 435 rotates. As the movement moves, the inner housing 405 may be drawn in or drawn out from the outer housing 400 .

In exemplary embodiments, the fourth opening is the inner housing 405 introduced into the outer housing 400 compared to the other side of the inner housing 405 connected to the flow diverter 30 . It may be disposed adjacent to one side of the.

The fourth wheel 425 provided inside the second blower 20 may be provided to rotate in engagement with the first guide rail 410a, and the fifth wheel 425 provided inside the inner housing 405 ( 435 may be provided to rotate while being engaged with the second guide rail 410b. In exemplary embodiments, the fifth wheel 435 is the inner housing ( 435 ) introduced into the outer housing ( 400 ) compared to the other side of the inner housing ( 405 ) connected to the flow conversion device ( 30 ). 405) may be disposed adjacent to one side.

30 and 31 show that the flow diverter 30 is arranged in the second position.

30 and 31 , the flow conversion device 30 may be disposed at the first to second positions through the rotational movement of the fourth wheel 425 included in the fourth driving unit 420 . . In this case, the fifth wheel 435 included in the fifth driving unit 430 may be controlled not to rotate.

Specifically, the outer housing 400 may be controlled to be drawn into the inside of the second blower 20 or drawn out from the upper surface of the second blower 20 by the rotational movement of the fourth wheel 425 , , thus the flow conversion device 30 may be disposed in the first position to the second position.

That is, as the fourth wheel 425 rotates in one direction while being engaged with the first guide rail 410a, the outer housing 400 may be drawn out from the upper surface of the second blower 20, and together with The position of the flow diverter 30 may also be raised. On the contrary, as the fourth wheel 425 engages with the first guide rail 410a and rotates in the opposite direction to the one direction, the outer housing 400 can be drawn into the inside of the second blower 20. There, along with this, the position of the flow conversion device 30 may also be lowered.

In exemplary embodiments, the fifth wheel 435 may be controlled so as not to rotate before the flow diverter 30 is disposed in the second position, and the flow diverter 30 moves to the second position. It can be controlled to rotate only after being placed in position.

In exemplary embodiments, with the flow conversion device 30 disposed in the second position, the outer housing 400 may be drawn out from the second blower 20 and exposed to the outside, but the inner housing The 405 may be drawn into the outer housing 400 and may not be exposed to the outside.

32 to 34 show that the flow diverter 30 is arranged in the third position.

32 to 34 , the flow conversion device 30 may be disposed at the second to third positions through the rotational movement of the fifth wheel 435 included in the fifth driving unit 430 . .

Specifically, the inner housing 405 may be controlled to be drawn into or drawn out from the outer housing 400 by the rotational movement of the fifth wheel 435 , and accordingly, the flow conversion device 30 ) may be disposed in the second position to the third position.

That is, as the fifth wheel 435 engages with the second guide rail 410b through the fourth opening and rotates in the one direction, the inner housing 405 is drawn out from the other side of the outer housing 400 . can be, and the position of the flow diverter 30 may also be raised with this. On the contrary, as the fifth wheel 435 is engaged with the second guide rail 410b through the fourth opening and rotates in the opposite direction to the one direction, the inner housing 405 is moved inside the outer housing 400 . It can be introduced into, and the position of the flow conversion device 30 can also be lowered with this.

In exemplary embodiments, in a state in which the flow conversion device 30 is disposed in the third position, the outer housing 400 may be drawn out from the second blower 20 and exposed to the outside, and the inner housing 400 may be exposed to the outside. The 405 may also be drawn out from the outer housing 400 and exposed to the outside.

As described above, the air purifier 1 according to the exemplary embodiments of the present invention may include the sequentially stacked blowers 10 and 20, the guide member 40 and the flow conversion device 30, , the guide member 40 is drawn into the inside of the blowers 10 and 20 or drawn out from the upper surfaces of the blowers 10 and 20 to be movable in the outer housing 400 , and the inside of the outer housing 400 . It may include an inner housing 405 provided to be moved into or out of the outer housing 400 .

At this time, the angle between the upper surface of the flow conversion device 30 and the upper surface of the blowers 10 and 20 may be increased primarily as the outer housing 400 is drawn out from the blower 20 and moved, As the inner housing 405 is drawn out from the outer housing 400 and moves, it may further rise.

Accordingly, since the upper surface of the flow diverter 30 may be disposed to be perpendicular to the upper surfaces of the blowers 10 and 20 , the air discharged from the blower 20 may flow through the flow diverter 30 . can be blown over longer distances.

Although various embodiments of the present invention have been described in detail above, those of ordinary skill in the art to which the present invention pertains will understand that various modifications are possible without departing from the scope of the present invention with respect to the above-described embodiments. . Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined by the claims described below as well as the claims and equivalents.

1: air purifier 10: first blower
20: second blower 30: flow conversion device
40: guide member 100: first case
105: first base 110: first suction unit
120: first discharge unit 200: second case
205: second base 210: second suction unit
220: second discharge unit 300: front case
305: side panel 320: discharge grill
500: display device

Claims (19)

A case forming an exterior, a suction unit provided on a side of the case to suck air from the outside, a filter member provided to filter the air sucked in from the inside of the case, and an upper portion of the filter member disposed inside the case A blowing fan provided to discharge the filtered air, a discharge unit provided on the upper portion of the case to discharge the air discharged from the blowing fan to the outside, and disposed under the filter member inside the case to rotate the filter member a blower including a driving unit provided to evacuate and a cleaning unit provided inside the case and provided to at least partially contact an outer wall of the filter member; and
It may include a; is provided to be disposed on the upper portion of the blower, the flow switching device provided to change the discharge direction of the air discharged from the blower,
The filter member is rotated by the driving unit, and the foreign material on the outer wall is removed by contact with the cleaning unit. According to claim 1,
The cleaner,
a dust collecting panel provided to constitute a part of the side wall of the case;
a cleaning module fixed to the inner wall of the dust collecting panel and provided to contact the outer wall of the filter member;
a first through portion provided to penetrate the sidewall of the dust collecting panel; and
an opening and closing part provided on the outer wall of the case to open or close the first through part; and
Foreign substances attached to the outer wall of the filter member, as the filter member is rotated by the driving unit, is detached by the cleaning module and discharged to the outside through the first through-hole. 3. The method of claim 2,
The cleaning module extends in the vertical direction, and both ends are provided to be fixed to the upper and lower portions of the inner wall of the dust collection panel, respectively, a first cleaning member, and the cleaning module is extended in the vertical direction to be fixed to the first cleaning member Including a second cleaning member,
The first cleaning member and the second cleaning member are air purifiers having a structure in which they are sequentially stacked from the dust collecting panel toward the filter member. 4. The method of claim 3,
The first cleaning member is made of a rubber material to remove relatively large foreign substances, and
The second cleaning member is an air purifier made of a brush to remove relatively small foreign matter. 5. The method of claim 4,
The first cleaning member is disposed adjacent to the outer wall of the filter member, the second cleaning member is an air purifier disposed to contact the outer wall of the filter member. 3. The method of claim 2,
An inner wall of the dust collecting panel has a concave shape toward the first through-portion. 7. The method of claim 6,
The cleaning module is an air purifier provided to cross the inner wall of the dust collecting panel in the vertical direction. 8. The method of claim 7,
The empty space between the filter member and the inner wall of the dust collecting panel, except for the portion provided with the cleaning module, serves as an air flow path through which foreign substances brushed off from the outer wall of the filter member through the cleaning module move. purifier. 3. The method of claim 2,
The first through portion is an air purifier provided in the center of the side wall of the dust collecting panel. 10. The method of claim 9,
The case further includes a; corresponding to the position where the first through-portion is formed, a second through-portion provided to penetrate the sidewall of the case. 11. The method of claim 10,
The second through-portion air cleaner having a larger diameter than the first through-portion. 11. The method of claim 10,
The air purifier further comprising a; an anti-shock part provided between the first penetration part and the second penetration part. 13. The method of claim 12,
The shock prevention unit is an air purifier made of a rubber material having an elastic force in order to alleviate the shock generated when the cleaning device approaches the second through-portion from the outside. 14. The method of claim 13,
The anti-shock portion is provided to have a ring shape through which a central portion is penetrated, and has a diameter smaller than the second through portion and larger than or equal to that of the first through portion. According to claim 1,
The air cleaner further comprising: a guide member provided between the blower device and the flow conversion device, and provided to induce a state transition of the flow conversion device. 16. The method of claim 15,
The flow conversion device is arranged to be placed in a first position, a second position and a third position according to the operation of the guide member,
The first position is a position in which the upper surface of the flow diverter is disposed to be horizontal with the ground, and the second position is a position in which the upper surface of the flow diverter is arranged to form a predetermined angle with respect to the ground, The third position is an air purifier in which the upper surface of the flow conversion device is disposed to be perpendicular to the ground. According to claim 1,
The blower may include: a first blower that is sequentially stacked in the vertical direction and is provided to filter and blow air at a relatively low position; and a second blower provided to filter and blow air at a relatively high position;
The cleaning unit is an air purifier provided in each of the first blower and the second blower. 3. The method of claim 2,
The opening and closing portion is an air purifier provided to be movable up and down or left and right on the outer wall of the case. 3. The method of claim 2,
The driving unit is driven only in a state in which the opening and closing part is opened, and the air purifier is controlled not to be driven in a state in which the opening and closing part is closed.

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