KR101781119B1 - Small air cleaner - Google Patents

Abstract

The present invention relates to a small air cleaner, comprising: a cabinet provided with an outlet; a base block coupled to support the cabinet and provided with an inlet; a light emission portion installed in the base block and provided with a plurality of light sources; and a filter portion providing a partition space opposed to the light sources and cleaning foreign substances included in the air by reacting with light irradiated from the light sources, wherein the filter portion comprises: a first filter box provided with a first penetration hole portion opposed to the inlet, and providing a partition space where the light sources are located; and a second filter box provided with a second penetration hole portion spaced from the first penetration hole portion, and providing a partition space where the light sources are located, thereby capable of filtering foreign substances in the air by arranging the small air cleaner in one room or on a desk in an office.

Description

[0001] SMALL AIR CLEANER [0002]

The present invention relates to a small air cleaner, and more particularly, to a small air cleaner which can be placed on a room or office desk to remove foreign substances in the air, increase the contact time between air passing through the cabinet and the filter unit, And relates to a compact air cleaner capable of effectively removing foreign matter.

Generally, an air purifier is a device that purifies contaminated air in a room by clean air. Recently, since it is very important for health, it is installed widely in public places as well as most homes and offices.

A general air cleaner is composed of a body having a flow path, a fan formed at one end of the flow path of the body for introducing outside air, and a filter member for removing dust, harmful bacteria, etc. existing in the air forced by the fan do.

Examples of the filter member include a mechanical filter for collecting dust using a malt-fly or glass fiber, a high-performance filter for collecting particulates using glass fiber and cellulose fiber, a deodorizing filter using activated carbon, A photocatalytic filter capable of deodorization has been developed and used.

In particular, photochemical reactions using photocatalysts convert various kinds of harmful substances in air and aqueous solution into completely harmless substances and change them into harmless substances. The photochemical reaction using such a photocatalyst causes problems such as generation of a second harmful substance, The photocatalyst can be used permanently by using only the light source in the reaction.

Titanium dioxide, which is widely used as a photocatalyst, is harmless to human body and can be widely used in general life. Researches for treating environmental pollutants by photochemical reaction using titanium dioxide photocatalyst have been actively conducted.

The air purifier using a photocatalyst has been proposed in Patent Documents 10-2004-0014028 and 10-2002-0090890. However, since a filter containing a photocatalyst is installed inside the body, there is a limit in downsizing the air purifier In addition, there is a problem that the ultraviolet lamp can be used only for a photochemical reaction and its use is limited.

In order to solve the above problems, an air purifier has been developed. The air purifier according to the related art includes a body formed with an opening, a filter member fixedly installed in the opening, And a UV lamp for irradiating ultraviolet rays on the inner surface of the filter member. The filter member comprises a bead layer formed by combining a plurality of beads so as to form a minute void, and a photocatalyst layer formed on the bead layer.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Utility Model Publication No. 20-2008-0003197 (published on Aug. 08, 2008, titled: air purifier).

The air purifier according to the prior art is difficult to increase the contact time between the air passing through the air cleaner and the filter member because air passes once through the filter member irradiated with the ultraviolet lamp and foreign substances contained in the air are removed, There is a problem that the fecal action by the member is difficult to be effectively improved.

Therefore, there is a need for improvement.

The present invention provides a compact air purifier capable of placing foreign substances in the air by placing the air cleaner on a desk or office desk and increasing the contact time between the air passing through the cabinet and the filter unit to effectively remove foreign matter contained in the air It has its purpose.

The present invention provides a cabinet comprising: a cabinet having a discharge port; A base block coupled to receive the cabinet and having a suction port; A light emitting unit installed in the base block and having a plurality of light sources; And a filter unit for providing a compartment space opposed to the plurality of light sources and for purifying foreign substances contained in the air by reacting with light emitted from the light source, wherein the filter unit has a first passage hole portion opposed to the suction port A first filter box providing a compartment space in which the light source is located; And a second filter box having a second passage hole portion spaced apart from the first passage hole portion and providing a partition space in which the light source is located.

In the cabinet of the present invention, a cover member having a through hole is provided, and a switch member is installed in the through hole so as to be able to flow.

In addition, the base block of the present invention is provided with a seating groove portion into which the light emitting portion is inserted, and a guide projection and a fixing hook for fixing the cabinet are formed.

The light emitting unit of the present invention may further include: a coupling block coupled to and electrically connected to the base block; A support post extending from the coupling block along the cabinet; And a plurality of LED chips mounted on the support pillar to be spaced apart from each other at a predetermined interval to form the light source.

In addition, the first filter box of the present invention is provided with a first bend portion into which the support post portion is inserted, and a first bend portion bent toward the base block side.

Further, the second filter box of the present invention may have a second bending portion formed to have a second support hole portion facing the first support hole portion so as to insert the support column portion, and to bend toward the base block side.

The small air cleaner according to the present invention is characterized in that a plurality of first filter boxes and second filter boxes are alternately arranged and light is irradiated at intervals between the plurality of first filter boxes and the second filter box, The contact time between the first filter box and the second filter box is increased so that the foreign matter contained in the air is purified and reacted with the photocatalyst material applied to the filter box, So that the foreign matter contained in the air passing through the cabinet can be effectively removed.

1 is a perspective view illustrating a small air cleaner according to an embodiment of the present invention.
2 is an exploded perspective view illustrating a small air cleaner according to an embodiment of the present invention.
3 is a cross-sectional view of a small air cleaner according to an embodiment of the present invention.
4 is a test report of a filter unit of a small air cleaner according to an embodiment of the present invention.
5 is a photograph showing an outline of a test for a filter unit of a small air cleaner according to an embodiment of the present invention.
6 is a photograph showing a test result for a conventional glass filter.
FIG. 7 is a photograph showing test results of a filter unit of a small air cleaner according to an embodiment of the present invention. FIG.
FIG. 8 is a comparison chart comparing a filter portion of a small air cleaner according to an embodiment of the present invention with a conventional filter.

Hereinafter, an embodiment of a small-size air cleaner according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, the terms described below are terms defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator.

Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view illustrating a small air cleaner according to an embodiment of the present invention, FIG. 2 is an exploded perspective view illustrating a small air cleaner according to an embodiment of the present invention, FIG. Sectional view of a small air cleaner according to an example.

1 to 3, a small air cleaner according to an embodiment of the present invention includes a cabinet 10 having a discharge port 12, a suction port 32 coupled to the cabinet 10, A light emitting portion 50 provided in the base block 30 and provided with a plurality of light sources, and a plurality of light emitting portions arranged in the base block 30, And a filter unit 70 for purifying foreign matters contained in the filter unit 70.

Foreign matter contained in the air is collected or purified by the reaction of the filter unit 70 while passing through the filter unit 70 after the air is introduced into the internal space formed by coupling the base block 30 and the cabinet 10, It is possible to purify the indoor air while being discharged to the outside of the cabinet 10 through the opening 12.

The filter portion 70 includes a first filter box 72 having a first passage hole portion 72b opposed to the inlet port 32 and providing a partition space in which the light source is located, And a second filter box 74 having a second through-hole 74b spaced apart from the first filter box 74 and providing a compartment space in which the light source is located.

The air introduced from the base block 30 passes through the first passage hole portion 72b of the first filter box 72 and the second passage hole portion 74b of the second filter box 74 along the cabinet 10 And is discharged to the outside of the cabinet 10 through the discharge port 12.

At this time, air having passed through the first passage hole portion 72b flows in the space between the first filter box 72 and the second filter box 74 and flows through the first filter box 72 and the second filter box 74, The contact time between the air and the filter unit 70 is prolonged so that the foreign matter contained in the air can be more effectively trapped or reacted and cleaned.

Since the first passage hole portion 72b and the second passage hole portion 74b are disposed apart from each other, the air passing through the filter portion 70 is moved to one side after passing through the first passage hole portion 72b, Passes through the through-hole 74b and passes through the second through-hole 74b and then passes through the first through-hole 72b to pass through the first filter box 72 and the second filter box 72, When the filter boxes 74 pass through the filter unit 70 arranged alternately, the air moves upwards to form a wavy channel that alternately curves to the left and right.

Accordingly, in the plurality of spaces formed between the first filter box 72 and the second filter box 74, the air is vortexed to increase the contact time with the filter unit 70, And the photocatalyst material applied to the second filter box 74, the effect of purifying the foreign substance is more effectively exhibited.

The cabinet 10 of the present embodiment is provided with the cover member 14 having the through hole portion 14a and the switch member 16 is provided in the through hole portion 14a so that the user can move the cover member 14 It is possible to determine whether the air cleaner operates by operating the switch member 16 to be installed.

A cover member 14 having a through hole portion 14a at its center is provided at an upper end of the main body and a switch member 16 formed in a square shape smaller than the cover member 14 is formed in the through hole portion 14a, Lt; / RTI >

Since the knob protruding downward is formed on the bottom surface of the switch member 16, when one end of the switch member 16 is pressed downward, the knob is inserted into the operation hole portion 14b formed in the cover member 14, The user presses the power switch installed in the main body.

When the power switch is operated, power is applied to the blowing fan installed in the base block 30, and the air introduced through the suction port 32 of the base block 30 by the operation of the blowing fan passes through the filter portion 70 And is discharged to the outside of the cabinet 10 through the discharge port 12.

The base block 30 is formed with a seat groove 34 into which the light emitting unit 50 is inserted and a guide protrusion 36 and a fixing hook 38 for fixing the cabinet 10 are formed. The light emitting portion 50 is provided on the first support hole portion 72a of the first filter box 72 and the second support hole portion 74a of the second filter box 74 So that the plurality of first filter boxes 72 and the second filter box 74 are stacked by the light emitting unit 50.

The light emitting portion 50 includes a coupling block 52 coupled to and electrically coupled to the base block 30, a support column portion 54 extending from the coupling block 52 along the cabinet 10, And a plurality of LED chips 56 mounted to the support posts 54 at regular intervals.

The coupling block 52 is inserted into the seating groove 34 to electrically couple the base block 30 and the LED chip 56. When electric energy is supplied through the power line extending from the base block 30, Light is irradiated from the chip 56 to react the photocatalyst material applied to the first filter box 72 and the second filter box 74.

The LED chips 56 are installed at regular intervals in the vertical direction on the front surface of the support column 54 and a pair of LED chips 56 are formed by the first filter bath and the second filter box 74 And is installed so as to be disposed inside one space.

As described above, since a pair of LED chips 56 emit light in the space formed by the first filter box 72 and the second filter box 74, the foreign substances in the air flowing in the space and the photocatalyst material react with each other So that foreign matter is purified and adsorbed on the inner walls of the first filter box 72 and the second filter box 74.

The first filter box 72 is provided with a first support hole portion 72a into which the support post portion 54 is inserted and has a first bend portion 76 bent toward the base block 30, The second support hole portion 74a is formed to face the first support hole portion 72a so that the support column portion 54 is inserted into the second support hole portion 74 and the second bendable portion 76 bent toward the base block 30 side do.

The first filter box 72 and the second filter box 74 are formed in a square panel and are bent downward to form a bent portion 76. The corners of the filter box 72 and the second filter box 74 are inclined to closely contact the inner wall of the cabinet 10 As shown in FIG.

When the first filter box 72 and the second filter box 74 are formed in the same size and shape and are alternately stacked on the upper surface of the base block 30, the lower end of the bending portion 76 is connected to the base block 30, A space is formed inside the first filter box 72 and the second filter box 74 while being seated on the upper surface of the box 72 or the second filter box 74.

The first filter box 72 has a first support hole 72a at one side thereof and a support post 54 inserted therein and a plurality of circular first pass- And the hole portion 72b is formed along the rim with a constant interval.

The second filter box 74 has a second support hole 74a formed at the same position as the first support hole 72a at one side of the upper surface thereof and a plurality of square or triangular Holes 74b are formed at regular intervals.

The first support hole 72a and the second support hole 74a are formed at the same positions of the first filter box 72 and the second filter box 74 so that the support post 54 is connected to the first support hole 72a and the second support hole 74a, the first filter box 72 and the second filter box 74 can be stacked in a block shape.

Since the first through holes 72b and the second through holes 74b are disposed at different positions, the air that flows into the cabinet 10 through the inlet port 32 and flows upward is discharged through the first through hole 72b The first filter box 72 and the second filter box 74 form a vortex within the space formed by the first filter box 72 and the second filter box 74 while alternately passing through the second through hole 74b and the left and right sides.

FIG. 4 is a test report of a filter unit of a small air cleaner according to an embodiment of the present invention, FIG. 5 is a photograph showing a test outline of a filter unit of a small air cleaner according to an embodiment of the present invention, FIG. 6 is a photograph showing a test result of a conventional glass filter, FIG. 7 is a photograph showing a test result of a filter part of a small air cleaner according to an embodiment of the present invention, and FIG. FIG. 6 is a comparison chart comparing a filter portion of a small air cleaner according to an embodiment with a conventional filter. FIG.

Referring to FIGS. 4 to 8, the filter unit 70 of the small air cleaner according to the embodiment of the present invention can confirm the cleaning ability remarkably improved as compared with the conventional filter. The performance of the filter unit 70 of the present invention was tested.

In the test method, 100 to 200 PPM of acetaldehyde gas is injected into a closed space provided by a plastic bag, and the filter unit 70 of the present invention is placed in a closed space to clean the air inside the plastic bag , And the remaining amount of acetaldehyde gas was measured to compare the performance of the conventional glass filter and the filter unit 70 of the present invention.

In conventional glass filters, the concentration of acetaldehyde gas contained in the air remained at 63% at 30 minutes after the start of the test, and remained at 6% after 75 minutes had elapsed.

In the filter unit 70 of the present invention, 25% of the acetaldehyde gas remained after 15 minutes had elapsed after the start of the test, and after 30 minutes had elapsed, all of the filter unit 70 was purified and no acetaldehyde gas remained in the air inside the plastic bag .

As described above, it can be seen that the cleaning efficiency of the filter unit 70 of the present invention is significantly increased while increasing the contact time between the passing air and the filter unit 70.

Thereby, it is possible to provide a compact air cleaner that can be placed in a room or office desk to remove foreign substances in the air, increase the contact time between air passing through the cabinet and the filter unit, and effectively remove foreign substances contained in the air .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. .

In addition, although a small air cleaner has been described as an example, the air cleaner of the present invention can be used for other products other than small air cleaners.

Accordingly, the true scope of the present invention should be determined by the following claims.

10: cabinet 12: outlet
14: cover member 14a: penetrating hole portion
14b: operation hole portion 16: switch member
30: base block 32: inlet
34: seat groove portion 36: guide projection
38: fixed hook 50:
52: coupling block 54: support post
56: LED chip 70: filter portion
72: first filter box 72a: first support hole part
72b: first through hole portion 74: second filter box
74a: first support hole portion 74b: second through hole portion
76: Bend

Claims (6)

A cabinet having a discharge port;
A base block coupled to receive the cabinet and having a suction port;
A light emitting unit installed in the base block and having a plurality of light sources;
And a filter unit for providing a compartment space opposed to the plurality of light sources and for purifying foreign substances contained in the air by reacting with light emitted from the light source,
The filter unit includes:
A first filter box having a first passage hole portion opposed to the suction port and providing a partition space in which the light source is located; And
And a second filter box having a second through hole spaced apart from the first through hole and providing a compartment space in which the light source is located,
The air passing through the filter portion is moved to one side after passing through the first passage hole portion, passes through the second passage hole portion, is moved to the other side after passing through the second passage hole portion, Air passes through the filter portion where a plurality of the first filter boxes and the second filter boxes are alternately arranged, and the air is raised while forming a wavy channel which is alternately bent to the left and right,
The light-
A coupling block coupled to and electrically connected to the base block;
A support post extending from the coupling block along the cabinet; And
And a plurality of LED chips mounted on the support column to be spaced apart from each other at a predetermined interval to form the light source,
Wherein the first filter box is provided with a first support hole portion into which the support post portion is inserted, and a first bend portion bent toward the base block side,
Wherein the second filter box has a second bending portion formed to face the first support hole portion so that the support column portion is inserted, and a second bend portion bent toward the base block portion,
Wherein the LED chip is installed at a predetermined interval in a vertical direction on the front surface of the support post so that a pair of LED chips are disposed inside a space defined by the first filter box and the second filter box And,
The first support hole portion and the second support hole portion are formed at the same position of the first filter box and the second filter box, respectively, and when the support column portion is inserted into the first support hole portion and the second support hole portion, Wherein the first filter box and the second filter box are stacked in a block shape.
The method according to claim 1,
Wherein a cover member having a through hole is provided in the cabinet, and a switch member is installed in the through hole so as to be able to flow.
The method according to claim 1,
Wherein the base block is formed with a seating groove portion into which the light emitting portion is inserted, and a guide protrusion and a fixing hook for fixing the cabinet are formed.
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