KR20190062649A - Filter apparatus for air cleaner - Google Patents

Abstract

The present invention relates to an air cleaner filter device. More particularly, the present invention relates to an air cleaner filter device capable of increasing service life of a filter by opening and closing the filter according to an operating state. The air cleaner filter device according to the present invention is an air cleaner filter device provided with a plurality of filters arranged sequentially, wherein at least one of the plurality of filters is mounted to open and close a passage through which air passes, and a control unit for controlling the opening and closing of the filter is included.

Description

[0001] FILTER APPARATUS FOR AIR CLEANER [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an air purifier filter device, and more particularly, to an air purifier filter device that can increase the service life of a filter by opening and closing the filter according to an operating state.

Modern people increase the degree of airtightness and airtightness that are further blocked by outside air in terms of high efficiency such as cooling and heating, sound insulation, and energy saving. As time for living in indoor increases, exposure to various pollutants , Which causes symptoms due to internal air pollution such as headache, eyesight, concentration loss, dizziness, nausea and the like.

Accordingly, there is an increasing tendency to use air purifiers capable of safely removing pollutants in the air flowing into the room or discharged from the room without harming the human body.

Korean Patent No. 10-0575309 (filter device of air purifier), Korean Patent No. 10-0564496 (filter device of air purifier), Korean Utility Model No. 20-2016-0000796 (filter device for air purifier) And Korean Registered Utility Model No. 20-0432774 (filter for air purifier), dust in the room is sucked into an air purifier mainly as an inlet for sucking dust, and the dust sucked as described above is located inside the air cleaner And has a structure for filtering dust while passing through a plurality of filter layers.

Most of the air purifiers used in the above-described manner are arranged in order for purifying efficiency. In general, the air purifiers are always operated so as to pass through all of the plurality of filters without considering the degree of contamination or the operating state of the air.

Accordingly, in the process of passing through a plurality of filters, an increase in flow resistance due to passage of the filter lowers the flow of air, thereby deteriorating the purification efficiency. In addition, since the dust is always filtered by the filter, A problem that must be replaced occurs.

Korean Patent No. 10-0575309: Filter device of air purifier Korean Patent No. 10-0564496: Filter device of air purifier Korean Utility Model Publication No. 20-2016-0000796: Filter device for air purifier Korean Utility Model No. 20-0432774: Filter for air cleaner

It is an object of the present invention to provide an air purifier filter device capable of increasing the service life of a filter by opening and closing the filter according to an operation state.

According to an aspect of the present invention, there is provided an air purifier filter device including a plurality of sequentially arranged filters, wherein at least one of the plurality of filters opens and closes a passage through which air flows And a control unit for controlling the opening and closing of the filter.

In the air purifier filter device according to the present invention, the plurality of filters may include a HEPA filter and at least one front filter disposed in front of the HEPA filter, and the HEPA filter may be installed to be openable and closable And the control unit operates the air filter so as to block the passage through which the air passes, after the predetermined time elapses after the operation of the air cleaner.

In the air purifier filter device according to the present invention, the plurality of filters may include a HEPA filter and at least one front filter disposed in front of the HEPA filter, and the HEPA filter may be installed to be openable and closable And a dust sensor for detecting the degree of fine dust contamination of the air is provided on the front or rear of the HEPA filter. When the density of the fine dust detected by the dust sensor is higher than a preset density, And the air passage is blocked to operate the air filter.

In the air purifier filter device according to the present invention, the plurality of filters may include a HEPA filter and at least one front filter disposed in front of the HEPA filter, and the HEPA filter may be installed to be openable and closable When the operation mode for filtering by the HEPA filter is selected, the control unit operates the air filter to block the passage through which the air passes.

In the air purifier filter device according to the present invention, the plurality of filters may include a deodorization filter for adsorbing and removing odors, the plurality of filters may be installed so as to be openable and closable, Mode is selected, the deodorizing filter blocks air passing through the air to filter the air, and the other filter except the deodorizing filter operates to open the passage through which the air passes.

In the air purifier filter device according to the present invention, the filter is mounted to open and close a passage through which air flows while being rotated about a hinge axis, and includes a driver for reciprocating the filter, And controls the operation of the driver so as to open and close the passage passing through.

In the air purifier filter device according to the present invention, the passage through which the air passes has a circular cross section, and the filter has a circular frame portion fixed to the inner periphery of the passage having the circular cross section, A filter frame formed to have a connection portion connecting the frame portion and the hub portion so that a passage opened between the frame portion and the hub portion is formed; And the other end is connected to the connecting portion of the filter frame and the other end is connected to the spreading portion so as to be spread like a fan by the rotation of the spreading portion, A filter member folded and opened to open and close an open passage between the hub portion and the frame portion, And it characterized in that configured included.

Also, in the air purifier filter device according to the present invention, a plurality of the connection portions are provided, the frame portion and the hub portion are divided into a plurality of open passages, and the spread portion is provided corresponding to the plurality of open passages And the filter medium is provided so as to correspond to the plurality of open passages, and each of the open passages is opened or closed by the rotation of the spread portion.

The air purifier filter device according to the present invention has the advantage that the service life of the filter can be increased by opening and closing the filter according to the operating state.

1 is a perspective view showing a state in which filters are arranged in an air cleaner filter device according to an embodiment of the present invention;
2 to 4 are plan views schematically showing an operating state of the air purifier filter device according to an embodiment of the present invention.
5 is a perspective view illustrating an air purifier filter device according to an embodiment of the present invention.
6 is a perspective view illustrating a state in which a filter according to an embodiment of the air cleaner filter device according to an embodiment of the present invention blocks a passage;
FIG. 7 is an exploded perspective view of an air purifier filter device according to an embodiment of the present invention,
FIG. 8 is an exploded perspective view showing a state in which a filter according to an embodiment of the air purifier filter device according to an embodiment of the present invention blocks a passage; FIG.
FIG. 9 is an exploded perspective view of an air cleaner filter device according to an embodiment of the present invention,

Hereinafter, the air purifier filter device according to the present invention will be described in detail with reference to the embodiments shown in the drawings.

FIG. 1 is a perspective view showing a state in which filters are arranged in an air cleaner filter device according to an embodiment of the present invention, and FIGS. 2 to 4 show conceptual views of operation states of an air cleaner filter device according to an embodiment of the present invention. FIG. 5 is a perspective view illustrating an air purifier filter device according to an embodiment of the present invention, FIG. 6 is a perspective view illustrating an air purifier filter device according to an embodiment of the present invention, 7 is an exploded perspective view illustrating a filter according to an embodiment of the air purifier filter device according to an embodiment of the present invention, and FIG. 8 is an exploded perspective view illustrating a filter according to an embodiment of the present invention. FIG. 9 is an exploded perspective view illustrating an air purifier filter device according to an embodiment of the present invention, in which a filter according to an embodiment of the present invention blocks a passage. FIG. In a filter in accordance with one embodiment in the decomposition apparatus and the filter material on the drop-down portion a perspective view showing decomposition.

In the air purifier in which a plurality of filters (1, 2, 3) are sequentially arranged with respect to the flow of air, a part or all of the plurality of filters (1, 2, 3) And a control unit (4) for controlling the opening and closing of the filters (1,2,3).

Referring to the drawings, an air purifier filter device according to an embodiment of the present invention includes a plurality of filters 1, 2, and 3, a control unit 4, an operation unit 5, and a dust sensor 6.

The plurality of filters (1, 2, 3) are for removing dust and odors. In the figure, the filter (1, 2, 3) is a pre-filter for removing relatively large dust among dust contained in air sucked into the air cleaner A front filter 1 provided in front of the HEPA filter 2 on the basis of a flow direction of air such as a pre-filter or an electrostatic filter for removing dust by static electricity, A HEPA filter 2 for secondarily filtering fine dust that has passed through the filter 1 and a deodorizing filter 3 for removing odor particles in the air at the rear of the HEPA filter 2 An example is shown.

The front filter 1 is usually made of a mesh having a relatively large hole, and a separate product may be added to the mesh surface to provide an antibacterial action. As the deodorization filter 3, a filter using activated carbon or a carbon nanoball (CNB) filter is used.

The present invention is characterized in that filters (1, 2, 3) are installed so as to open and close a passage through which air passes, and are configured to selectively filter air in the filters (1,2,3) according to the operating condition and conditions of the air cleaner . In general, the HEPA filter (2) filters fine particles, and is easily replaced due to the occurrence of a cogging phenomenon as compared with other filters. The present invention is particularly applicable to the air cleaner, The HEPA filter 2 is configured to open the passage through which the air passes, and the use time of the HEPA filter 2 is set to be longer than the use time of the HEPA filter 2 when the concentration of the fine dust is low, So that it can be extended.

FIGS. 2 to 3 are diagrams for explaining the operation of the air cleaner in which the filters 1, 2 and 3 are selectively operated according to the operating conditions and conditions in the air cleaner in which the front filter 1, the HEPA filter 2 and the deodorizing filter 3 are sequentially arranged as described above. To open or block the passage through which the air passes. In order to open and close the filters 1, 2 and 3, the filters 1, 2 and 3 are provided with hinge shafts 1a, 2a and 3a, (1a, 2a, 3a) so as to be rotatable. The filters 1, 2 and 3 rotatably supported on the hinge shafts 1a, 2a and 3a are rotated in the range of 90 degrees by the operation of the actuators M1, M2 and M3, It opens and closes the passageway.

The air purifier filter apparatus according to an embodiment of the present invention configured as described above operates as follows.

First, Fig. 2 shows a case where the air cleaner is operated at the beginning of the operation requiring relatively large dust removal, or when the density of the fine dust detected by the dust sensor 6 is smaller than a preset concentration, And the deodorizing filter 3 opens the passage through which the air passes, so that the hemofilter 2 and the deodorizing filter 3 are separated from each other, And the deodorizing filter 3 is rotated. For example, until 10 minutes after the operation of the air cleaner, the control unit 4 controls the passage of air through the HEPA filter 2 and the deodorization filter 3 so that only the filtration by the front filter 1 is performed And performs the control operation so that the drivers M2 and M3 for rotating the HEPA filter 2 and the deodorization filter 3 are driven to open. In addition, when the density of the fine dust detected by the dust sensor 6 is low, a control operation is performed to drive the driver M2 that rotates the HEPA filter 2 so that filtration by the HEPA filter 2 is not performed .

Next, FIG. 3 shows a state in which operation is performed so that filtration by the HEPA filter 2 is performed when a certain period of time has elapsed and the concentration of fine dust is detected to be equal to or higher than a predetermined concentration. 3, when a preset time (for example, 10 minutes) elapses after the operation of the air cleaner and the concentration of fine dust detected by the dust sensor 6 is equal to or more than a predetermined value, The front filter 1 and the HEPA filter 2 are arranged so that the front filter 1 and the HEPA filter 3 block the passage of air through the front filter 1 and the HEPA filter 2 so that filtration by the HEPA filter 2 is performed, And drives the actuators M1 and M2 to rotate. The control unit 4 also controls the driving unit M2 to rotate the HEPA filter 2 so that the HEPA filter 2 is filtered by the operation unit 5 even when the operation for removing the fine dust is selected by the operation unit 5. [ Is performed.

Finally, FIG. 4 shows a case where deodorization is performed by the deodorization filter 3 when an operation for deodorization is selected and input by the operation unit 5 and deodorization is performed by another filter, that is, the front filter 1 and the hepafilter 2 The controller 4 controls the front filter 1 and the HEPA filter 2 to rotate the front filter 1 and the HEPA filter 2 such that the passage through which the air passes is opened so that the front filter 1 and the HEPA filter 2 are not filtered, M2 is driven.

The controller 5 controls the operation of the filters M1, M2 and M3 according to the selection of the operation condition inputted by the operation unit 5 or the dust concentration detected by the dust sensor 6, M2, and M3.

The operating unit 5 is a configuration for allowing a user to input and operate a condition for cleaning by the air cleaner. For example, the user can input the operation or stop of the operation through the operation unit 5, so that the user can input the operation so that only the deodorization is performed, and the operation is performed in the operating state in which the fine dust is removed And the control unit controls the driving of the drivers M1, M2, and M3 according to the driving conditions input by the operating unit 5. [

The dust sensor 6 is installed in front of or behind the HEPA filter 2 in order to measure the concentration of dust contained in the air introduced into the air cleaner, in particular, fine dust. According to the dust concentration detected by the dust sensor 6, the controller 4 determines whether to open or close the filters 1, 2, 3 and controls the driving of the drivers M1, M2, M3 accordingly .

In the air purifier filter device according to the present invention, the operation of the various filters for opening and closing the passage through which the air passes can be variously configured. In FIGS. 1 to 4, the filters 1 and 2 3 are rotated about the hinge shafts 1a, 2a, 3a to open and close the passage through which the air passes.

5 to 9 show an embodiment of a filter 10 in which a filter medium 13 for filtering air is opened and folded in a fan shape so as to open and close a circular passage.

The filter 10 shown in Figs. 5 to 9 used in the air purifier filter device according to the present invention has a structure in which a passage through which air passes has a circular cross section, and has a filter frame 11, (12), a filter medium (13) and a driver (14).

The filter frame 11 is formed to have a frame part 111, a hub part 112 and a connection part 113 so as to support the filter part 13 and the unfolding part 12 in a combined state.

The frame part 111 is formed in a circular rim shape so as to be fixed to the inner periphery of a passage having a circular cross section. A hub portion 112 is provided at the center of the frame portion 111 and the hub portion 112 is connected to the frame portion 111 by a connection portion 113.

The hub portion 112 is provided at the center of the frame portion 111 in such a manner that the spread portion 12 is supported by the shaft portion and is connected to the frame portion 111 by the connection portion 113, Are connected and supported. The center portion 122 of the spread portion 12 is pivotally supported on the hub portion 112 so that the spread portion 12 is rotatably supported.

The connecting portion 113 extends in a radial direction from the hub portion 112 and has one end connected to the hub portion 112 and the other end connected to the frame portion 111, (111). In the case where a plurality of the connection portions 113 are provided, the passage opened between the hub portion 112 and the frame portion 111 by the connection portion 113 is divided into a plurality of portions, And is arranged radially symmetrically with respect to the hub portion 112.

The unfolding part 12 is formed in the filter frame 11 so that the passage divided by the connecting part 113 between the frame part 111 and the hub part 112 is opened and closed by the filter material 13, 13 are expanded and folded. The center portion 122 of the unfolding portion 12 is supported by the hub portion 112 so as to be rotatable about the hub portion 112 of the filter frame 11. Referring to the drawing, the spreader 12 includes a frame 121 having a circular shape corresponding to the frame 111 of the filter frame 11, a frame 121 positioned at the center of the frame 121, A center 122 which is pivotally supported by the hub portion 112 of the frame 11 and a ring 122 which is arranged in a radially symmetrical manner to the center 122 and which connects the center 122 and the rim 121, And a spreading bar 123 provided corresponding to the connecting portion 113 of the connecting portion 113.

The filter material 13 is configured to open and close an open passage between the hub portion 112 and the frame portion 111 of the filter frame 11 and to filter the air while the passage is closed. Referring to the drawings, the filter material 13 has a structure of folding and unfolding to have a corrugated structure of a fan. The filter member 13 having the above structure is connected to the connecting portion 112 of the filter frame 11 and the other end to the spreading bar 123 of the spreader unit 12, . The filter member 13 connected to the connecting portion 113 and the spreading bar 123 is spread and folded like a fan by the rotation of the spreading portion 12 so that the hub portion 112 and the frame portion 111, Thereby opening and closing the opened passage between the two.

In the drawing, four connection portions 113 are provided, and the space between the frame portion 111 and the hub portion 112 is divided into four open passages, and the spreading bar 123 of the spread portion 12 is divided into four Four openings corresponding to the open passages are provided, and the filter medium 13 is provided with four openings corresponding to the four opened passages, respectively, and the four openings are opened and closed by the rotation of the spreading part 12, respectively. An example is shown.

The driver 14 is constituted by a normal electric motor for rotating the spreader 12.

The air purifier filter device described above and shown in the drawings is only one embodiment for carrying out the present invention and should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the following claims, and the embodiments improved and changed without departing from the gist of the present invention are obvious to those having ordinary skill in the art to which the present invention belongs It will be understood that the invention is not limited thereto.

1 front filter
1a Hinge shaft
M1 driver
2 Hepa filter
2a Hinge axis
M2 driver
3 deodorization filter
3a Hinge axis
M3 driver
4 control unit
5 Control unit
6 Dust sensor

Claims (5)

1. An air purifier filter device comprising a plurality of sequentially arranged filters,
Wherein at least one of the plurality of filters is mounted to open or close a passage through which the air passes,
And a controller for controlling the opening and closing of the filter. The method according to claim 1,
Wherein the plurality of filters includes a HEPA filter and at least one front filter disposed in front of the heparin filter,
The HEPA filter is mounted so as to be openable and closable,
Wherein the controller operates the air filter to filter the air by shutting off the passage of the air after the predetermined time elapses after the operation of the air cleaner. The method according to claim 1,
Wherein the plurality of filters includes a HEPA filter and at least one front filter disposed in front of the heparin filter,
The HEPA filter is mounted so as to be openable and closable,
A dust sensor for detecting the degree of fine dust contamination of the air is disposed in front of or behind the HEPA filter,
Wherein the controller operates the air filter to filter the air passing through the air filter when the concentration of the fine dust detected by the dust sensor is higher than a predetermined concentration. The method according to claim 1,
Wherein the plurality of filters includes a HEPA filter and at least one front filter disposed in front of the heparin filter,
The HEPA filter is mounted so as to be openable and closable,
Wherein the controller operates the air filter to filter the air passing through the air filter when the operation mode for filtering by the HEPA filter is selected. 5. The method according to any one of claims 1 to 4,
Wherein the plurality of filters include deodorization filters for adsorbing and removing odors,
Wherein the plurality of filters are mounted so as to be openable and closable,
Wherein the control unit is operable to filter the air by blocking the passage through which the air passes when the operation mode is selected so that the odor is removed, and the other filter except the deodorizing filter operates to open the passage through which the air passes Air purifier filter device.

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