KR20030075702A - Electric dust collecting filter of air cleaner - Google Patents

Abstract

PURPOSE: An electric dust collecting filter of an air cleaner is provided to push ionized dust out of the first accelerative electrode, and to pull the dust from the second accelerative electrode to absorb the dust, thereby improving a dust collecting capability. CONSTITUTION: An ionizer(61) ionizes dust in the air. Ground meshes(74) absorb the dust ionized in the ionizer(61). The first accelerative mesh(76) is applied with power having the same polarity as the ionized dust in order to push the ionized dust out of the ionizer(61). The second accelerative mesh(78) is applied with power having opposite polarity to the ionized dust in order to pull the ionized dust. The ionized dust pulled by the second accelerative mesh(78) is acceleratedly absorbed into the second accelerative mesh(78).

Description

Electric dust collecting filter of air cleaner

The present invention relates to an electric dust collecting filter of an air purifier that ionizes and collects dust in air. In particular, the dust is pushed out of the first acceleration electrode and simultaneously attracted and adsorbed from the second acceleration electrode to absorb the dust. The present invention relates to an electric dust collecting filter of a purifier.

In general, an air purifier purifies air containing contaminants such as dust, odors, and bacteria with clean air to create a comfortable indoor environment, and includes a cabinet having inlets and outlets and air containing contaminants in and out of the cabinet. And an electric dust collecting filter for ionizing and collecting dust in the air sucked by the driving of the blower.

1 is a schematic view showing the configuration of the main part of the electric dust collecting filter according to the prior art, the ionizing part 1 for ionizing the dust in the air, and collecting the dust disposed in the rear of the ionizing unit 1 to collect the ionized dust It consists of a part 10.

The ionization part 1 is disposed at regular intervals and disposed between the discharge counter electrode 2 and the discharge counter electrode 2 so as to be orthogonal to the flow direction of air and is applied with a high voltage to the positive electrode. And a wire-shaped discharge electrode 6 which forms an ionization line 5 between the discharge-corresponding electrode 2.

In addition, the collecting unit 10 accelerates the collecting electrode 12 to which the dust ionized by the ionizing unit 1 is adsorbed, and the dust ionized by the ionizing unit 1 to the collecting electrode 12 and the surface thereof. It consists of an acceleration electrode 16 coated with an insulating film 15.

Looking at the operation of the prior art configured as described above are as follows.

First, when the blower is driven, indoor air is sucked into the cabinet through the suction port and introduced into the electric dust collecting filter, and dust in the introduced air is ionized while passing through the ionizing unit 1. The ionized dust is accelerated by the accelerating electrode 16 coated with the insulating film 15, and is absorbed and collected by the collecting electrode 12.

However, the conventional electric dust collector has a problem that the failure rate is increased and the lifespan is shortened because the collecting electrode 12 and the acceleration electrode 16 are discharged when the insulating film 15 is destroyed due to deterioration due to long-term use. .

In addition, since the insulating film 15 is coated on the acceleration electrode 16, and the collecting electrode 12 and the acceleration electrode 16 are arranged in a scroll shape, there is a problem in that manufacturing cost and workmanship are increased.

The present invention has been made to solve the above problems of the prior art, it is an object of the present invention to provide an electric dust collecting filter that reduces the manufacturing cost and work labor because the dust is ionized in the ionizing unit is collected using a plurality of mesh. .

In addition, another object of the present invention is to improve the collection efficiency because the ionized dust is attracted and collected by the second acceleration mesh while being pushed by the first acceleration mesh.

In addition, another object of the present invention is that the grounding mesh and the acceleration mesh of the collecting portion is orthogonal to the air intake direction to improve the air permeability and improve the noise characteristics.

1 is a schematic view showing the configuration of the main part of the air purifier dust collecting filter according to the prior art,

2 is a cross-sectional view of an embodiment of an air cleaner according to the present invention;

3 is an exploded perspective view of an embodiment of an air cleaner according to the present invention;

4 is a schematic diagram of an electric dust collecting filter according to the present invention.

<Explanation of symbols on main parts of the drawings>

60: electric dust collecting filter 61: ionizing part

62: ionizing cover 64: discharge pole

66: ionizing part case 68: discharge response electrode

69: ground mesh 70: collecting part

72: collecting case 74: ground mesh

74a: first ground mesh 74b: second ground mesh

74c: third ground mesh 76: first acceleration electrode

78: second acceleration mesh

An electric dust collecting filter of the air cleaner according to the present invention for solving the above problems is an ionizing unit for ionizing the dust in the air; A ground mesh to which the dust ionized by the ionizing unit is adsorbed, a first acceleration mesh to which a power having the same polarity as that of the ionized dust is pushed out to push the dust ionized by the ionizing unit, and the dust ionized by the ionizing unit And a collecting part, including a second acceleration mesh to which dust of the ionized to pull and power of opposite polarity are applied.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a perspective view of an air purifier according to the present invention, FIG. 3 is an exploded perspective view of an air purifier according to the present invention, and FIG. 4 is a schematic view of an electric dust collecting filter according to the present invention.

As shown in FIGS. 2 to 4, the air purifier according to the present embodiment includes a cabinet 52 having a grille 51 through which purified air is discharged and an open front surface thereof, and the cabinet 52. A suction grill 54 having a grill portion 53 coupled to a front surface of the air grill, and a blower mounted inside the cabinet 52 to forcibly circulate air outside the air cleaner into the cabinet 52; 56, an air filter 58 disposed on the rear surface of the suction grill 54 to filter out bulky dust in the sucked air, and dust in the air sucked in the rear of the air filter 58 at a high voltage. An electric dust collecting filter 60 to be ionized and collected in the air, a high voltage generator 91 for applying a high voltage to the electric dust collecting filter 60, and a rear of the electric dust collecting filter 60 and disposed at the rear of the electric dust collecting filter 60. Activated by light energy from Titanium oxide is applied to the mesh to deodorize the photocatalyst filter 92, a blower chamber in which the blower 56 is disposed, the electric dust collecting filter 60 and the photocatalyst filter 92 are disposed in the interior space of the cabinet 52 It is divided into a filter chamber to be formed and comprises a barrier 94 having a blowing hole 93 in the center.

The electric dust collecting filter 60 includes an ionizing unit 61 for ionizing dust in the air and a collecting unit 70 for accelerated adsorption of the ionized dust from the ionizing unit 62.

The ionizing part 61 is mounted to the ionizing part cover 62 disposed at the rear of the air filter and having the suction hole 62a, and attached to the ionizing part cover 62 so as to be orthogonal to the flow direction of air. In the high voltage generator, a high voltage of 5 to 7 kv is applied to form a wire-shaped discharge electrode 64 forming a positive electrode, and an ionization case 66 fixed to the rear side of the ionizing cover 62 and having a discharge hole 66a formed thereon. ) And a plurality of ionization lines 67 formed between the discharge electrode 64 and the discharge electrode 64 to be spaced apart at regular intervals and connected to the ground so as to have a predetermined distance from the discharge electrode 64. Discharge corresponding electrodes 68.

In addition, the collecting unit 70 has a box-shaped collecting unit case 72 in which a front surface is opened and a discharge hole 71 is formed at a rear surface thereof, and a ground mesh 74 on which dust ionized by the ionizing unit 61 is adsorbed. ), The first acceleration mesh 76 is formed by applying a power of about +3.5 Kv to push out the ionized dust from the ionizing portion 61 to form a positive pole, and the dust ionized by the ionizing portion 61. And a second acceleration mesh 78 that is energized at about −3.5 Kv to attract and form a −pole.

Here, the ground mesh 74, the first acceleration mesh 76 and the second acceleration mesh 78 is an aluminum mesh disposed perpendicular to the air suction direction.

In addition, the collecting unit 70 is the first ground mesh 74a, the first acceleration mesh 76, the second ground mesh 74b, the second acceleration mesh 78, the third ground mesh 74c in order. And spaced apart in the collector case 72 to have a space B between the first, second, and third ground meshes 74a, 74b, 74c and the first, second acceleration meshes 76, 78. do.

On the other hand, the collector case 72 has a ground terminal (72a) which is grounded at one end of the first, second, third ground meshes (74a, 74b, 74c) and the first and second acceleration meshes (76, 78), A first power supply terminal 72b for applying + 3.5Kv of power to the first acceleration mesh 76, and a second power terminal 72c for applying -3.5Kv of power to the second acceleration mesh 78; Is disposed, and support ribs 72d protrude from the inner side to support the first, second and third ground meshes 74a, 74b and 74c and the first and second acceleration meshes 76 and 78 at predetermined intervals. do.

Looking at the operation of the present invention configured as described above are as follows.

First, when the blower 56 is driven, the air in the room passes through the grill part 53 and the air filter 58 of the suction grill 54, and the bulky foreign material is filtered, and the electric dust collecting filter 60 is removed. As it passes, dust in the air is ionized and collected, deodorized while passing through the photocatalyst filter 92, and then discharged back to the outside of the air cleaner through the grill part 51 of the cabinet 52.

Meanwhile, the dust collecting process of the air passing through the electric dust collecting filter will be described in more detail as follows.

When a high voltage of 5-7 Kv is applied to the discharge electrode 64 of the ionizing portion 61, a discharge is generated, and an ionization line 67 is generated between the discharge electrode 64 and the discharge counter electrode 66, and in the air The included dust is sucked into the collecting unit 70 after the dust particles collide with the electrons made in the ionizing unit 61 and pass through the ionization line 67 to be positively polarized.

At this time, the first acceleration electrode 76 of the collecting unit 70 receives + 3.5Kv of power to form a + pole, and the second acceleration electrode 78 receives -3.5Kv of power to -pole And the positively ionized dust sucked into the collecting part 70 may include the first ground mesh 74a, the first acceleration electrode 76, the second ground mesh 74b, and the second acceleration mesh ( It is collected by the first, second and third ground meshes 74a, 74b, 74c and the second acceleration mesh 78 while passing through the 78 and the third ground mesh 74c in turn.

That is, the ionized dust sucked from the front side of the collecting part 70 is part of the ionized dust that is absorbed by the surface of the first ground mesh 74a and passes through the first ground mesh 74a. Particles flow into the first acceleration mesh 76 side.

Part of the dust particles introduced to the first acceleration mesh 76 side is bounced back by the first acceleration mesh 76 to be adsorbed to the first ground mesh 74a, and the rest is applied to the first acceleration mesh 76. Penetrating into the second ground mesh (74b) side is adsorbed trap (D), the dust particles passing through the second ground mesh (74b) flows into the second acceleration mesh (78) side.

In addition, most of the dust particles introduced into the second acceleration mesh 78 are absorbed and collected on the surface of the second acceleration mesh 78 by a strong attraction force of the second acceleration mesh 78, and the rest is Adsorption | suction collecting F is carried out to the 3rd ground mesh 74c.

On the other hand, the present invention is not limited to the above embodiment, a plurality of collecting portion 70 consisting of the ground mesh 74, the first acceleration mesh 76 and the second acceleration mesh 78 in the air suction direction It will also be possible to deploy them to improve their capture capacity.

The electric dust collecting filter of the air cleaner according to the present invention configured as described above is a ground mesh to which the ionized dust is adsorbed, the first acceleration mesh to push the ionized dust by applying power having the same polarity as the ionized dust, and ionization The dust collection efficiency is increased by including a second acceleration mesh which attracts the dust and is supplied with the opposite polarity to the dust.

In addition, since the ground mesh, the first acceleration mesh, and the second acceleration mesh are aluminum meshes orthogonal to the air intake direction, the airflow characteristics are improved, the noise characteristics are improved, and the manufacturing cost and the man-hour are reduced.

In addition, a predetermined space is formed between the ground mesh, the first acceleration mesh, and the second acceleration mesh, so that a discharge does not occur between the ground mesh, the first acceleration mesh, and the second acceleration mesh.

In addition, the collecting unit has an advantage that the collecting ability is improved by stacking a plurality in the air suction direction.

Claims (5)

An ionizing unit for ionizing dust in the air; A ground mesh to which the dust ionized by the ionizing unit is adsorbed, a first acceleration mesh to which a power having the same polarity as that of the ionized dust is pushed out to push the dust ionized by the ionizing unit, and the dust ionized by the ionizing unit And a collecting part including a second accelerating mesh to which dust of ionized power to be pulled and a power of opposite polarity are applied. The method of claim 1, And the ground mesh, the first acceleration mesh, and the second acceleration mesh are aluminum meshes orthogonal to the air suction direction. The method of claim 1, The collection unit is an electric dust collection filter of the air cleaner, characterized in that arranged in the order of the ground mesh, the first acceleration mesh, the ground mesh, the second acceleration mesh, the ground mesh. The method of claim 3, wherein And the collecting part has a space between the ground mesh and the first acceleration mesh and the second acceleration mesh. The method of claim 1, And a plurality of collecting portions disposed in an air suction direction.