KR101622200B1 - The photocatalyst filter unit - Google Patents

Abstract

The present invention relates to a photocatalytic filter unit, and more particularly, to a photocatalytic filter unit, which comprises a plurality of photocatalytic filters which purify contaminated air flowing into an inlet port and purify contaminated air, To a filter unit.

Description

The photocatalyst filter unit

The present invention relates to a photocatalytic filter unit, and more particularly, to a photocatalytic filter unit, which comprises a plurality of photocatalytic filters which purify contaminated air flowing into an inlet port and purify contaminated air, To a filter unit.

Generally, the photocatalytic filter is a filter for purifying contaminated air, and it has high antibacterial efficiency against E. coli and Staphylococcus aureus because of its high decomposition rate and high efficiency of antibacterial function even under low temperature by the photocatalytic reaction. have.

 In addition, the photocatalytic filter can purify the polluted air without changing the catalytic component, and can be used for a long time, and there is no consumption of electricity and heat, so that no additional cost is consumed and the service life is permanent.

The photocatalytic filter may be formed of a nonwoven fabric, a paper, a ceramic, or a metal material, and a plurality of cells through which air can flow are generally formed in a honeycomb shape.

Meanwhile, various studies have been made to improve the purification performance of the photocatalytic filter. However, structural improvement and study of the photocatalytic filter unit on which the photocatalytic filter is mounted are not yet well studied.

When the photocatalytic filter is attached to the photocatalytic filter unit and used, the photocatalytic filter unit has a structure in which a plurality of photocatalytic filters interpose the inner space of the photocatalytic filter unit and the polluted air passes through the plurality of photocatalytic filters and is discharged Thus, there is a problem that the contact area between the photocatalytic filter and the contaminated air is substantially limited.

Here, the photocatalytic reaction of the photocatalytic filter can be efficiently performed as the environment in which the contaminated air comes into contact with the surface of the photocatalytic filter efficiently, but the photocatalytic reaction can not be efficiently performed when the contaminated air is simply passed.

Further, when the number of the photocatalytic filters is increased to increase the contact area between the photocatalytic filter and the polluted air, there is a problem that the polluted air is not smoothly discharged, and the number of the photocatalytic filters increases, The length and the size thereof are increased, which makes it difficult to use in the field.

Patent Application No. 10-2003-0033969 Utility Model Application No. 20-2002-0024781 Utility Model Application No. 20-2003-0016568

The present inventors have found that the structure of the photocatalytic filter unit on which the photocatalytic filter is mounted can efficiently purify the polluted air, and even when a plurality of photocatalytic filters are mounted on the photocatalytic filter unit, As a result, the technical construction of the photocatalytic filter unit has been developed and the present invention has been completed.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a photocatalytic filter unit in which the contact area between the photocatalytic filter and the contaminated air is improved so that the contaminated air can be efficiently purified by the photocatalytic filter.

The objects of the present invention are not limited to the above-mentioned objects, and other objects not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a photocatalytic filter unit equipped with a photocatalytic filter for purifying polluted air, the photocatalytic filter unit comprising a plurality of single path change filter units and twin path change filter units, A plurality of chambers (10) flowing through the photocatalytic filter many times while being filtered; And a chamber switching unit 140 connecting the plurality of chambers 10, wherein the single path change filter unit has a plurality of partition walls formed in a direction in which the inflow air flows, and a plurality of passages through which the inflow air flows separately are formed And a photocatalytic filter provided inside each of the passages for filtering the inflow air is installed in the longitudinal direction so that the inflow air flows through the photocatalytic filter while changing the flow path and the twin path changing filter unit is provided with a twin inflow And a twin-type photocatalytic filter including at least four leading-end twin filters positioned at the leading end and at least four trailing-end twin filters positioned at the trailing end so that the inflow air flows through the leading twin filter and the trailing twin filter, The change filter section comprises: a photocatalytic filter (11) for filtering the incoming air; A partition wall (111) for separating the passage so that the inflow air flows separately; Spacing filter mounting means (112) for supporting the tips of two parallel spaced apart photocatalytic filters (11) that filter the incoming air away from the wall or partition of the single path change filter portion; A groove-like wall surface filter mounting portion 113 for supporting the rear end of the photocatalytic filter 11; And a single path change discharge hole (114) which is a passage through which the inflow air filtered by the photocatalytic filter (11) is discharged from the single path change filter section, wherein the twin path change filter section comprises: a twin inflow space (121); A twin-filter twin filter 1201 disposed at a tip end of the twin-type photocatalytic filter 12 and spaced apart in parallel at least four; A rear end twin filter 1202 positioned at the rear end of the twin type photocatalytic filter 12 spaced apart in parallel at least four; A twin inflow split portion 122 which is positioned between the tip of the front twin filter 1201 and the twin inflow space 121 and divides the introduced inflow air so that the inflow air flows into two different twin twin filters; A twin center portion 123 positioned between the leading twin filter 1201 and the trailing twin filter 1202 to block the air flowing between the leading twin filters 1201 from being discharged through the wall surface of the leading twin filter 1201; The twin exhaust unit 1202 is positioned between the rear end of the rear end twin filter 1202 and the twin exhaust space 125, and the air introduced through the wall surface of the rear end twin filter 1202 is discharged to two different rear end twin filters. (124); And a twin discharge space 125 through which the inflow air is collected after passing through the twin discharge division part 124. The twin discharge space 125 changes the path of the inflow air flowing through the single photocatalytic filter 11 of the single- Is filtered while being changed while changing the air flow path by the front twin filter (1201) of the twin path changing filter part, and is filtered while changing the air flow path by the rear end twin filter (1202) Thereby providing a filter unit.
In the preferred embodiment, the twin path change filter unit includes: a twin inflow space 121, a front twin filter 1201, a rear twin filter 1202, a twin inflow division unit 122, a twin center unit 123, And a twin discharge space 125. The twin path change filter unit includes at least one twin path change filter unit.
In a preferred embodiment, the twin path change filter unit includes a plurality of the leading twin filter 1201 and the trailing twin filter 1202, respectively, and the twin incoming splitters 122 include: An inflow wall section 1221 connected to the wall surface and coupled to the tip of the predetermined front twin filter 1201; An inflow orifice 1222 spaced apart from the wall surface of the twin inlet partition 122 and coupled to the tip of the predetermined front twin filter 1201; An inflow-end filter mounting groove 1223 which is formed with a groove for coupling a predetermined front-end twin filter 1201 to the inflow wall partitioning portion 1221 or the inflow-side partitioning portion 1222; And an inflow conveying flow hole 1224, which is a passage through which the inflow air flows, forming a space between the inflow wall partitioning part 1221 and the influent partitioning part 1222.
In the preferred embodiment, the twin-path changing filter unit includes a plurality of the front twin filter 1201 and the rear-end twin filter 1202, respectively, and the twin center portion 123 is separated from the wall surface of the twin central portion 123 A plurality of central split portions 1231 to which a rear end of the predetermined leading twin filter 1201 is coupled and to which a leading end of the trailing twin filter 1202 is coupled; A central flow hole 1232 forming a space between a wall surface of the twin central portion 123 and the central divided portion 1231 and a plurality of central divided portions 1231 to allow the inflow air to flow therethrough; An inlet rear end filter mounting groove 1233 which is formed with a groove for coupling the rear end of the predetermined front twin filter 1201; And a discharge-end filter mounting groove 1234 which is grooved so that the front end of the predetermined rear-end twin filter 1202 is engaged.
In the preferred embodiment, the twin path change filter unit includes a plurality of the front twin filters 1201 and the rear twin filters 1202, respectively, and the twin output division unit 124 includes: An outlet wall surface dividing section 1241 connected to the wall surface and coupled to a rear end of the predetermined rear stage twin filter 1202; A discharge engaging portion 1242 which is spaced apart from the wall surface of the twin discharge division portion 124 and is coupled to the rear end of the predetermined rear end twin filter 1202; A discharge rear wall filter mounting groove 1243 which is formed in the discharge wall partitioning portion 1241 or discharging the partitioning portion 1242 so as to engage with a predetermined rear end twin filter 1202; And a discharge flow hole 1244, which is a passage through which the inflow air flows, by forming a space between the discharge side wall partitioning portion 1241 and the discharge side partitioning portion 1242.
In a preferred embodiment, the at least one filter of the photocatalytic filter of the single path change filter unit and the twin photocatalytic filter of the twin path change filter unit is coated with titanium dioxide (TiO 2).

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The present invention has the following excellent effects.

First, in a photocatalytic filter unit according to an embodiment of the present invention, a first filter unit divided into a plurality of partition walls and a plurality of second filter units divided into a plurality of twin inlet spaces corresponding to the first filter unit Since the photocatalytic filter is mounted in the longitudinal direction and a plurality of the first filter portion and the second filter portion are provided, the contact area between the inflow air and the photocatalytic filter is remarkably improved and the flow of inflow air is not deteriorated .

1 is a view showing a photocatalytic filter unit according to an embodiment of the present invention.
2 is a plan view showing a first filter unit, a second filter unit, and a third filter unit according to an embodiment of the present invention;
3 is an enlarged view of the portion A of FIG. 2, and a detail enlarged view of the single-path changing filter portion of the first filter portion and the third filter portion.
Fig. 4 is an enlarged view of the portion B of Fig. 2, and a detail enlarged view of the twin path changing filter portion which is the second filter portion; Fig.

Although the terms used in the present invention have been selected as general terms that are widely used at present, there are some terms selected arbitrarily by the applicant in a specific case. In this case, the meaning described or used in the detailed description part of the invention The meaning must be grasped.

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

However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Like reference numerals designate like elements throughout the specification.

FIG. 1 is a view showing a photocatalytic filter unit according to an embodiment of the present invention, and FIG. 2 is a plan view showing a first filter unit, a second filter unit, and a third filter unit according to an embodiment of the present invention. 3 is a detailed enlarged view of the single-path changing filter portion of the first filter portion and the third filter portion in the enlarged view of the portion A in Fig. And FIG. 4 is a detailed enlarged view of the twin path change filter portion which is the second filter portion in an enlarged view of the portion B in FIG.

1 through 4, the photocatalytic filter unit according to an embodiment of the present invention maximizes the contact area between the photocatalytic filter and the inflow air when purifying inflow air using the photocatalytic filter, The first filter unit 110 and the twin-path change filter unit 120, which are the single-path changing filter unit and the second filter unit 120, which are the third filter unit, are provided in order to smoothly discharge the flow of the incoming air. And a chamber switching means 140, which constitute a photocatalytic filter unit. In particular, as shown in FIG. 1, a plurality of chambers 10 are arranged and the chamber switching means 140 is connected to the plurality of chambers 10, so that the chamber switching means 140 The inflow air is supplied to the other chamber 10 and filtered again.

Here, the photocatalytic filter unit according to an embodiment of the present invention can be installed in an opening requiring purification, sterilization, and deodorization of inflow air, and can be connected to a flow path of an air conditioner or the like for deodorizing an automobile, It may be applied to household appliances.

The photocatalytic filter unit may include a single path change filter (not shown) such as a first filter unit 110, a second filter unit 120, and a third filter unit 130, which will be described later, A plurality of chambers 10 and a plurality of chamber switching means 140 including a plurality of branch and twin path changing filter units are provided to form a flow path of a predetermined length.

In addition, the photocatalytic filter is a filter having a flat surface with a predetermined width, and the shape of the cell may be honeycomb, but it may be formed in another shape, or may be made of a metal or a ceramic material. It is preferable that the photocatalytic filter is coated with titanium dioxide (TiO 2) or titanium dioxide nanoparticles.

Here, when the titanium dioxide (TiO 2) or titanium dioxide nanoparticles are coated on the photocatalytic filter, a titanium dioxide precursor is mixed with a solvent in which the titanium dioxide nanoparticles are dispersed at a constant molar ratio to induce a hydrolysis reaction, The -O-Ti-O-network between the particles and the titanium dioxide precursor can be formed to be coated without microcracks.

The titanium dioxide precursor may be titanium isopropoxide, and the solvent may be, for example, water, alcohol or a mixture thereof, and may be a metal precursor including gold (Au), platinum (Pt), and palladium (Pd) May be added. The titanium dioxide nanoparticles may be mixed with the solvent and dispersed using ultrasonic waves.

The first filter unit 110 is a unit path changing filter unit for mounting a photocatalyst filter 11 of a specific size for filtering inflow air and has a structure in which a plurality of passages through which inflow air flows separately are formed And includes barrier ribs 111 and spacing filter mounting means 112. Here, the photocatalytic filter 11 may be made of the same material as the twin-type photocatalytic filter 12 described later, but has a relatively large size.

The barrier ribs 111 are formed in the longitudinal direction inside the first filter part 110 to form a wall for separating the inflow air, and the plurality of barrier ribs 111 are formed between both wall surfaces of the first filter part 110 And are spaced apart from each other by a predetermined distance to form a plurality of passages.

In addition, in the respective passages defined by the plurality of partition walls 111, the area where the photocatalytic filter 11 is mounted in the longitudinal direction to contact the inflow air can be maximally secured. At this time, it is preferable that each of the photocatalytic filters 11 installed in the longitudinal direction in each passage of the first filter unit 110 is at least as close as or equal to the length of each of the partition walls 111.

A pair of photocatalytic filters 11 are disposed in the respective passages of the first filter unit 110 so that at least one photocatalytic filter 11 is provided before the inflow air passes through the first filter unit 110 It is preferable that it is provided so as to be discharged after passing. In other words, the first filter unit 110 as the single path change filter unit flows through the first photo-catalyst filter 11, and flows through the first filter unit 110 one time (single) after being filtered through the introduced path.

It is preferable that the two wall portions of the first filter portion 110, the plurality of partition walls 111, and the pair of photocatalytic filters 11 disposed in the respective passages are arranged in parallel to each other. So that the inflow air can flow smoothly.

The spacing filter mounting means 112 is provided to allow the photocatalytic filter 11 to be disposed in each passageway of the first filter unit 110. The specific filter 111 or the first filter unit 110, So that the inflow air is branched and flowed to both sides.

In addition, the separation filter mounting means 112 is provided with a pair of fitting grooves, and one end of the pair of the photocatalytic filters 11 is mounted, and the other end of the pair of photocatalytic filters 11 is exhausted And can be mounted on the wall-surface filter mounting portion 113, which is a groove provided on the non-wall surface.

The second filter unit 120 is a twin-path changing filter unit. The twin-path changing filter unit 120 is provided to introduce inflow air filtered by the first filter unit 110 into the plurality of passages provided in the first filter unit 110, And a twin inflow space of the air conditioner. A plurality of twin-type photocatalytic filters 12 are installed in the longitudinal direction in order to filter the inflow air introduced into each of the twin inlet spaces 121. To this end, the second filter portion includes a twin inlet partitioning portion 122, a twin central portion 123, and a twin exhaust partitioning portion 124.

Here, the twin-type photocatalytic filter 12 is relatively small in size or shorter in length than the photocatalytic filter 11 mounted on the first filter unit 110, Twin type.

The second filter unit 120 has a structure in which a larger number of twin photocatalytic filters 12 are mounted than the first filter unit 110. In the second filter unit 120, So that the photocatalytic decomposition reaction can be smoothly performed by increasing the residence time. In other words, the twin-type photocatalytic filter 12 is provided with a twin filter 1201 at the front end thereof, and a total of four twin filters 1201 are provided as shown in the accompanying drawings. And a rear end filter 1202 is provided at the rear end.

The twin inlet partitioning part 122 is provided in each twin inlet space 121 of the second filter part 120 and is spaced apart from the wall surface or the partition wall 111 by a predetermined distance, A plurality of air passages are formed on the inlet side of the exhaust pipes 121 so that the inflow air is branched and flowed. The twin inlet partitioning part 122 is provided with a fitting groove so that one end of the twin type photocatalytic filter 12 can be mounted.

Further, the twin inlet partitioning part 122 is formed as an inlet port of the twin inlet space 121, and two inlet passages 1224 are formed as air passages. The inflow end filter mounting groove 1223 is formed in the turntable 1222 on the side facing the twin center portion 123 to be described later.

On the other hand, the inflow wall partitioning part 1221 connected to both side walls of the twin inflow partitioning part 122 is provided with an inflow-end filter mounting groove 1223, which is a fitting groove, on the surface facing the twin center part 123. Thus, the tip of the twin photocatalytic filter 12 is fixed to the inflow-end filter mounting groove 1223.

The twin central portion 123 is provided at a central portion of the second filter portion 120 so as to form an air passage substantially or more than the air passage of the twin inlet partition 122.

At this time, the inflow air passing through the air passage on the side of the twin inlet partitioning part 122 passes through the twin center part 123 after passing through at least one twin type photocatalytic filter 12.

The twin central portion 123 is provided with a fitting groove on a surface facing the twin inlet partitioning portion 122 and a surface facing the twin exhaust partitioning portion 124 to be described later, And the tip end of the rear end and the rear end twin filter 1202 of the front end twin filter 1201, In an embodiment of the accompanying drawings, eight fitting grooves are provided on both sides of the twin center portion 123. [

A central flow hole 1232 through which air flows is formed as an air passage between the central divided portion 1231 of the twin central portion 123 and the wall surface and an air passage between the two central divided portions 1231.

Here, only one air passage may be formed at the center of the twin center portion 123 without separating the twin center portion 123 from the wall surface or the partition wall 111. [

The twin outlet partitioning part 124 is provided near the rear of the second filter part 120 and is provided to form the same number of air passages as the twin inlet partitioning part 122, 123 are passed through the air passage of the twin discharge dividing section 124 after passing through the rear end twin filter 1202 with at least one twin type photocatalytic filter 12, .

Here, the twin discharge division part 124 forms a discharge flow hole 1244, which is a predetermined distance from the wall surface, and which has two air passages on both sides. The twin discharge portion 124 is provided with a discharge rear filter mounting groove 1243 on the surface facing the twin central portion 123 for discharging the twin discharge photocatalytic filter 1242, 12 can be mounted.

And a discharge port wall partitioning section 1241 connected to both side walls of the twin discharge partitioning wall 124. A discharge port wall partitioning wall 1241 is provided at the rear end of the twin photocatalytic filter 12 mounted on the twin central portion 123, The rear end of the twin filter 1202 is fixed.

A total of eight twin-type photocatalytic filters 12 are mounted on the twin-path changing filter unit as the second filter unit 120 according to an embodiment of the present invention. Before the inflow air is discharged, the eight twin- At least two twin type photocatalytic filters 12 out of the filter 12 are passed through the front twin filter 1201 and the rear twin filter 1202 and then discharged.

That is, the twin path changing filter unit of the second filter unit 120 according to an embodiment of the present invention is a plurality of twin type photocatalytic filters 12, and the front twin filter 1201 and the rear end twin filter 1202, So that the contact area of the plurality of twin-type photocatalytic filters 12 is maximized and the residence time of the inflow air is adjusted so that the contact area of the photocatalytic filter can be maximized and the photocatalytic decomposition reaction can be performed. And the purification performance is improved. That is, the inflow air spreads widely, and the opportunity to individually contact with the twin-type photocatalytic filter is further increased, thereby further enhancing the filtering efficiency.

The third filter unit 130 is a single path change filter unit that is connected to the first filter unit 110 or the second filter unit 120 and is equipped with a pair of photocatalytic filters 11 And is substantially symmetrical with the internal structure of the first filter unit 110 which is a single path change filter unit. Here, the same filter as the photocatalytic filter 11 mounted on the first filter unit 110 is mounted on the third filter unit 130.

That is, in the third filter part 130, a plurality of passages corresponding to the twin discharge space 125, which is the rear end of the second filter part 120, are divided by barrier ribs 131, A filter mounting means 132 is provided to mount the photocatalytic filter 11 thereon.

The chamber switching means 140 connects the plurality of chambers 10 and each chamber 10 has a single path change filter portion such as a first filter portion 110 and a third filter portion 130, And a twin path changing filter unit of the unit 120. Accordingly, the plurality of chambers 10 are connected to the chamber switching means 140 to form the photocatalytic filter unit, and the chamber switching means 140 has a curved or curved air passage so that the overall length is not excessively increased.

In addition, the chamber switching means 140 is provided in a semicircular donut shape to connect the plurality of chambers 10, and each chamber 10 has three twin path changing filter portions in the example of FIG. 1, And one single path change filter unit is positioned at the front end of the twin path change filter unit and the rest is connected to the downstream end.

In addition, in the photocatalytic filter unit according to an embodiment of the present invention, the length of the entire filtering by the chamber switching unit 140 can be maximized while the size of the system itself can be reduced.

The photocatalytic filter unit according to an embodiment of the present invention may include eight first filter units 110, twelve second filter units 120, eight third filter units 130, and three chamber switching units 140 Are connected to each other to form a predetermined flow path through which the inflow air flows.

Meanwhile, the photocatalytic filter unit according to an embodiment of the present invention may further include at least one light source unit (not shown) for irradiating light or ultraviolet rays into the plurality of filter units 110, 120, and 130, May be provided with a UV lamp or a UV LED.

The light source unit may be disposed at a specific position within each of the filter units 110, 120, and 130, or may be disposed on a ceiling surface or a wall surface of each of the filter units 110, 120, and 130.

When the first filter unit 110, the second filter unit 120 and the third filter unit 130 of the photocatalytic filter unit are made of a transparent specific material, Position. Here, the transparent material may be glass or transparent plastic.

The construction of the photocatalytic filter unit according to the present invention as described above can be summarized as follows.

That is, the photocatalytic filter unit according to the present invention relates to a photocatalytic filter unit equipped with a photocatalytic filter for purifying contaminated air.

A single path change filter unit including a photocatalytic filter, a twin path change filter unit, and the like. The single path change filter unit and the twin path change filter unit are connected to each other to allow the inflow air to pass through a plurality of photocatalytic filters A plurality of chambers 10 that are filtered while being passed through a number of times, and a chamber switching means 140 for connecting the plurality of chambers 10, and the like.

The plurality of chambers are formed in a direction in which the inflow air flows, so that a plurality of passages are formed through which the inflow air flows separately, and a plurality of passages provided inside the passages for filtering the inflow air, And a twin inflow space into which the inflow air flows, and a front twin filter positioned at the front end in one or a plurality of the twin inflow spaces, And a twin-path changing filter unit including a twin-type photocatalytic filter including a rear-end twin filter positioned at a rear end of the twin-pass filter unit, the twin-path changing filter unit in which the inflow air flows through the leading twin filter and the trailing twin filter.

The single path change filter unit may include a photocatalytic filter (11) for filtering inflow air; A partition wall (111) for separating the passage so that the inflow air flows separately; Spacing filter mounting means (112) for supporting the tip of a photocatalytic filter (11) which filters incoming air away from the wall or partition of the single path change filter portion; A groove-like wall surface filter mounting portion 113 for supporting the rear end of the photocatalytic filter 11; And a single path change vent hole 114, which is a passage through which the inflow air filtered by the photocatalytic filter 11 is discharged from the single path change filter portion.

The twin path changing filter unit may further include a twin inflow space 121 into which inflow air flows; A twin-filter twin filter 1201 positioned at one end or a plurality of twin-type photocatalytic filters 12; A rear end twin filter 1202 positioned at the rear end by one or a plurality of twin type photocatalytic filters 12; A twin inlet partitioning part 122 positioned between the tip of the front twin filter 1201 and the twin inlet space 121 and having a plurality of through holes through which a large number of inflow air flows; A twin central portion 123 positioned between the leading twin filter 1201 and the trailing twin filter 1202 and having a through hole through which the incoming air passes through the leading twin filter 1201; A twin discharge partition 124 positioned between the rear end of the rear end twin filter 1202 and the twin discharge space 125 and having a plurality of through holes through which a large number of inflow air passed through the rear end twin filter 1202 flows; And a twin discharge space 125 through which the inflow air is collected after passing through the twin discharge division section 124.

As described above, in the example of the accompanying drawings, the second filter unit 120 is provided as one twin-path changing filter unit, and the first filter unit 110 and the second filter unit 110 3 filter unit 130, and the like. The filter configuration may also be made by one twin-path change filter section being located at the front end and one single-path change-over filter section being located at the latter end and being coupled.

In addition, the path of the incoming air flowing through the photocatalytic filter 11 of the single path change filter unit is changed while changing the path of the incoming air, and the front twin filter 1201 and the rear end twin filter 1202 of the twin- Which is filtered while changing the flow path of the incoming air twice.

The twin path change filter unit includes a twin inflow space 121, a twin twin filter 1201, a twin twin filter 1202, a twin inflow division unit 122, a twin center unit 123, a twin output division unit 124, , And a twin discharge space 125, and the twin path change filter unit includes one or more twin path change filter units.

The twin path changing filter unit includes a plurality of front twin filters 1201 and a rear twin filter 1202 and the twin inflow splitters 122 are connected to the wall surface of the twin inflow splitters 122, An inlet wall surface division 1221 to which the tip of the front twin filter 1201 is coupled; An inflow orifice 1222 spaced apart from the wall surface of the twin inlet partition 122 and coupled to the tip of the predetermined front twin filter 1201; An inflow-end filter mounting groove 1223 which is formed with a groove for coupling a predetermined front-end twin filter 1201 to the inflow wall partitioning portion 1221 or the inflow-side partitioning portion 1222; And an inflow conveying flow hole 1224, which is a passage through which the inflow air flows, forming a space between the inflow wall section 1221 and the inflow-side partitioning portion 1222.

The twin path changing filter unit includes a plurality of the front twin filters 1201 and the rear twin filters 1202. The twin center portion 123 is spaced apart from the wall surface of the twin center portion 123, A plurality of central divided portions 1231 to which rear ends of the rear stage twin filter 1201 are coupled and to which front ends of the rear end twin filter 1202 are coupled; A central flow hole 1232 forming a space between a wall surface of the twin central portion 123 and the central divided portion 1231 and a plurality of central divided portions 1231 to allow the inflow air to flow therethrough; An inlet rear end filter mounting groove 1233 which is formed with a groove for coupling the rear end of the predetermined front twin filter 1201; And a discharge-end filter mounting groove 1234 which is formed with a groove for coupling the tip of the predetermined rear-stage twin filter 1202 to each other.

The twin path change filter unit includes a plurality of the front twin filter 1201 and the rear twin filter 1202. The twin output split unit 124 is connected to the wall surface of the twin output split unit 124, An outlet wall surface division 1241 to which the rear end of the twin filter 1202 is coupled; A discharge engaging portion 1242 which is spaced apart from the wall surface of the twin discharge division portion 124 and is coupled to the rear end of the predetermined rear end twin filter 1202; A discharge rear wall filter mounting groove 1243 which is formed in the discharge wall partitioning portion 1241 or discharging the partitioning portion 1242 so as to engage with a predetermined rear end twin filter 1202; And a discharge flow hole 1244, which is a communication hole through which the inflow air flows, by forming a space between the discharge wall partitioning portion 1241 and the discharge-side partitioning portion 1242.

Further, the photocatalytic filter and the twin photocatalytic filter mounted on the single path change filter unit and the twin path change filter unit are coated with titanium dioxide (TiO 2) or titanium dioxide nanoparticles.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation in the present invention. Various changes and modifications will be possible.

11: photocatalyst filter 110: first filter section
111, 131: partition wall 112, 132: filter mounting means
120: second filter unit 121: twin inflow space
122: Twin inflow division installment 123: Twin central section
124: Twin discharge division part 130: Third filter section
140: chamber switching means

Claims (6)

A photocatalytic filter unit equipped with a photocatalytic filter for purifying contaminated air,
A plurality of chambers (10) connected to each other including a plurality of single path change filter portions and twin path change filter portions to flow the incoming air while being filtered many times by a plurality of photocatalytic filters; And
And a chamber switching means (140) for connecting the plurality of chambers (10)
The single path change filter unit includes a plurality of partition walls formed in a direction in which the inflow air flows, a plurality of passages through which the inflow air flows separately, and a photocatalytic filter provided inside each passageway for filtering the inflow air, So that the inflow air flows to the boundary of the photocatalytic filter while changing the flow path,
Wherein the twin-path changing filter unit comprises a twin-type inflow space into which inflow air is introduced, a twin-type photocatalytic filter including at least four leading twin filters positioned at the leading end and a trailing twin filter positioned at least at four trailing ends, A twin filter and a rear-end twin filter,
Wherein the single path change filter unit comprises:
A photocatalytic filter (11) for filtering the incoming air;
A partition wall (111) for separating the passage so that the inflow air flows separately;
Spacing filter mounting means (112) for supporting the tips of two parallel spaced apart photocatalytic filters (11) that filter the incoming air away from the wall or partition of the single path change filter portion;
A groove-like wall surface filter mounting portion 113 for supporting the rear end of the photocatalytic filter 11; And
And a single path change exhaust hole (114), which is a passage through which the inflow air filtered by the photocatalytic filter (11) is exhausted from the single path change filter portion,
Wherein the twin path change filter unit comprises:
A twin inflow space 121 into which inflow air flows;
A twin-filter twin filter 1201 disposed at a tip end of the twin-type photocatalytic filter 12 and spaced apart in parallel at least four;
A rear end twin filter 1202 positioned at the rear end of the twin type photocatalytic filter 12 spaced apart in parallel at least four;
A twin inflow split portion 122 which is positioned between the tip of the front twin filter 1201 and the twin inflow space 121 and divides the introduced inflow air so that the inflow air flows into two different twin twin filters;
A twin center portion 123 positioned between the leading twin filter 1201 and the trailing twin filter 1202 to block the air flowing between the leading twin filters 1201 from being discharged through the wall surface of the leading twin filter 1201;
The twin exhaust unit 1202 is positioned between the rear end of the rear end twin filter 1202 and the twin exhaust space 125, and the air introduced through the wall surface of the rear end twin filter 1202 is discharged to two different rear end twin filters. (124); And
A twin discharge space 125 through which the inflow air is collected after passing through the twin discharge division section 124,
And is filtered while changing the path of the inflow air flowing while passing through the single photocatalytic filter 11 of the single path change filter unit,
Is filtered while changing the air flow path by the front twin filter (1201) of the twin path changing filter part, and is filtered while changing the air flow path by the rear end twin filter (1202).
The method according to claim 1,
Wherein the twin path change filter unit comprises:
The twin inlet space 121, the twin twin filter 1201, the rear twin filter 1202, the twin inlet partition 122, the twin central portion 123, the twin outlet partition 124, And a twin-path changing filter unit,
Wherein the twin path changing filter unit comprises at least one twin path changing filter unit.
The method according to claim 1,
The twin-path changing filter unit includes a plurality of the front-end twin filter 1201 and the rear-end twin filter 1202,
The twin inlet partitioning part 122 comprises:
An inflow wall surface partitioning section 1221 connecting the wall surface of the twin inflow partitioning section 122 and the front end of the predetermined front twin filter 1201;
An inflow orifice 1222 spaced apart from the wall surface of the twin inlet partition 122 and coupled to the tip of the predetermined front twin filter 1201;
An inflow-end filter mounting groove 1224 which is grooved to couple a predetermined front-end twin filter 1201 to the inflow wall partitioning portion 1221 or the inflow-side partitioning portion 1222; And
And an inflow conveying flow hole (1223), which is a passage through which inflow air flows, forming a space between the inflow wall partitioning part (1221) and the influent partitioning part (1222).
The method according to claim 1,
The twin-path changing filter unit includes a plurality of the front-end twin filter 1201 and the rear-end twin filter 1202,
The twin central portion 123 comprises:
A plurality of central split portions 1231 spaced apart from a wall surface of the twin center portion 123 and coupled to a rear end of the predetermined front twin filter 1201 and coupled to the rear end of the rear twin filter 1202;
A central flow hole 1232 forming a space between a wall surface of the twin central portion 123 and the central divided portion 1231 and a plurality of central divided portions 1231 to allow the inflow air to flow therethrough;
An inlet rear end filter mounting groove 1233 which is formed with a groove for coupling the rear end of the predetermined front twin filter 1201; And
And a discharge-end filter mounting groove (1234) which is formed in a groove so that a front end of the predetermined rear-end twin filter (1202) is coupled.
The method according to claim 1,
The twin-path changing filter unit includes a plurality of the front-end twin filter 1201 and the rear-end twin filter 1202,
The twin exhaust division unit 124 includes:
An outlet wall surface partitioning section 1241 connecting the wall surface of the twin exhaust partitioning section 124 and the rear end of the predetermined rear stage twin filter 1202;
A discharge engaging portion 1242 which is spaced apart from the wall surface of the twin discharge division portion 124 and is coupled to the rear end of the predetermined rear end twin filter 1202;
A discharge rear wall filter mounting groove 1243 which is formed in the discharge wall partitioning portion 1241 or discharging the partitioning portion 1242 so as to engage with a predetermined rear end twin filter 1202; And
And a discharge flow hole (1244) formed in a space between the discharge side wall partitioning part (1241) and the discharge side partitioning part (1242) to flow the inflow air.
6. The method according to any one of claims 1 to 5,
Wherein at least one of the photocatalyst filter of the single path change filter unit and the twin photocatalyst filter of the twin path change filter unit is coated with titanium dioxide (TiO 2).

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