KR101515786B1 - Photocatalyst sterilization module for air cleaner with function for concentrating and diffusing of uv rays - Google Patents
Photocatalyst sterilization module for air cleaner with function for concentrating and diffusing of uv rays Download PDFInfo
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- KR101515786B1 KR101515786B1 KR1020140102352A KR20140102352A KR101515786B1 KR 101515786 B1 KR101515786 B1 KR 101515786B1 KR 1020140102352 A KR1020140102352 A KR 1020140102352A KR 20140102352 A KR20140102352 A KR 20140102352A KR 101515786 B1 KR101515786 B1 KR 101515786B1
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- Prior art keywords
- filter
- lens
- ultraviolet
- lamp
- air
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- 239000011941 photocatalyst Substances 0.000 title claims abstract description 31
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 22
- 238000004659 sterilization and disinfection Methods 0.000 title abstract description 3
- 238000011045 prefiltration Methods 0.000 claims abstract description 38
- 241000894006 Bacteria Species 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 9
- 230000001699 photocatalysis Effects 0.000 claims description 56
- 238000009792 diffusion process Methods 0.000 claims description 29
- 238000006555 catalytic reaction Methods 0.000 claims description 16
- 239000000356 contaminant Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 4
- 230000009969 flowable effect Effects 0.000 claims 1
- 238000004887 air purification Methods 0.000 abstract description 10
- 239000003344 environmental pollutant Substances 0.000 abstract description 7
- 231100000719 pollutant Toxicity 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000001939 inductive effect Effects 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 235000019645 odor Nutrition 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 241000233866 Fungi Species 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013032 photocatalytic reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 1
- 206010057190 Respiratory tract infections Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 206010013023 diphtheria Diseases 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/12—Lighting means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/14—Filtering means
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
Description
The present invention relates to a photocatalytic sterilizing module for air purification, and more particularly, to a photocatalytic sterilizing module for air purifying, which is installed in an air purifier to filter out fine dust, decompose and discharge bacteria and contaminants in fine dust through a catalytic reaction of a photocatalyst, The present invention relates to a photocatalytic sterilizing module for air purification, which is capable of enhancing sterilizing power by ultraviolet rays and providing a photocatalytic agent with a smooth catalytic reaction.
BACKGROUND ART [0002] Generally, an air purifier has a function of sucking contaminated air in a room through a fan installed therein, and then filtering / deodorizing various contaminants and odors, and includes a fan operated by external power, Various filters, such as a pre-filter and a hepa filter, installed to remove or adsorb contaminants and odors contained in the air sucked by the fan, and a discharge port formed to discharge air purified through the filter to the outside .
However, since the conventional air purifier as described above is merely configured to filter only air, it is not enough to supply completely purified air to the user, and thus, many air purifiers using photocatalyst have been produced.
A photocatalyst is a substance that promotes or catalyzes a chemical reaction by light when it receives light energy such as ultraviolet rays. As a typical catalytic reaction, a water molecule decomposition catalysis, an organic substance decomposition catalysis, a hydrophilic surface modification Reaction and the like. These photocatalysts are excellent in deodorizing effect while oxidizing and decomposing various pollutants, and their service life is also semi-permanent, and they are used in various fields such as air purification field and water purification field.
For example, as a prior art of the present invention, there is an air purifier proposed in Korean Utility Model Registration Utility Bulletin No. 20-0466934 (Registered on May 24, 2014).
The prior art includes a filter in which a photocatalyst is laminated; A light source arranged to be spaced apart from the filter and emitting light energy while moving; And a drive unit for operating the light source such that the light energy is mounted and the light energy emitted from the light source reaches a partial area of the filter.
This prior art is a configuration in which the driving unit irradiates the light of the light source to the entire area of the filter while reciprocally moving the light source in the longitudinal direction or the lateral direction.
Accordingly, in the prior art, since the photocatalyst coated on the filter causes a catalytic reaction by the light source part, the pollutant such as bacteria or fungi collecting on the surface of the filter is decomposed and the odor is removed.
However, in the prior art, as the light source unit reciprocates by the moving unit and irradiates the light to the filter, the light is partially irradiated only to the filter, and then the light is irradiated again after a certain time, so that a smooth catalytic reaction of the photocatalytic agent is expected There is no problem.
In addition, the prior art is complicated in the structure of the mobile unit, and therefore, it is cumbersome to manufacture and requires a large manufacturing cost.
On the other hand, as another prior art of the present invention, there is an air purifier proposed in Korean Patent Laid-Open Publication No. 10-2009-0082576 (published on Jul. 31, 2009).
The prior art includes a body portion for introducing indoor air and discharging purified air; An activated carbon filter disposed in the filter accommodating portion of the body portion; A HEPA filter disposed on the surface of the activated carbon filter and coated with a photocatalyst on the surface thereof; And a light source part for promoting decomposition of the odor of the HEPA filter into a photocatalyst.
This prior art is a constitution in which the photocatalyst coated on the HEPA filter causes a catalytic reaction by the light source part, so that contaminants such as bacteria and fungi collecting on the surface of the HEPA filter are decomposed and the odor is removed.
However, the prior art has a limitation in that the photocatalytic reaction of the HEPA filter is locally limited because the light source unit simply emits light and the light of the light source unit is not irradiated to the HEPA filter in a diffused state.
The present invention has been made in order to overcome the problems of the prior art as described above, and it is an object of the present invention to provide a photocatalytic filter which is composed of a medium filter or a hepafar filter and filters fine dust through a photocatalytic air- It is possible to decompose and discharge germs and pollutants in the fine dust. In particular, by providing ultraviolet rays of the lamp to the side of the photocatalytic air filter while providing the photocatalytic air filter in the condensed state on the opposite side of the filter, It is an object of the present invention to provide a photocatalytic sterilizing module for air purification having a condensing and diffusing function of ultraviolet rays which can achieve a smooth catalytic reaction.
According to an aspect of the present invention, there is provided a photocatalytic sterilizing module for purifying an air having a condensing and diffusing function of ultraviolet rays, comprising a medium filter and a hepafar filter, disposed behind a prefilter installed in an air purifier, A photocatalytic air filter for filtering fine dust in an air and coating the surface with a photocatalyst to decompose contaminants or bacteria through a catalytic reaction by light; A plurality of ultraviolet lamps provided between the photocatalytic air filter and the prefilter to emit ultraviolet rays and to sterilize air passing through the prefilter to induce a catalytic reaction of the photocatalytic air filter; And an ultraviolet condensing / diffusing device for receiving the ultraviolet lamp in a transparent state and providing the ultraviolet light irradiated from the ultraviolet lamp to the side of the prefilter in a condensed state while providing the ultraviolet light to the side of the photocatalytic air filter in a diffused state.
For example, the ultraviolet condensing diffusers may include a lamp frame installed between the pre-filter and the photocatalytic air filter to provide a supporting force; A lamp holder installed in the lamp frame and accommodating the ultraviolet lamp therein and provided with openings on both sides thereof for providing ultraviolet rays of the ultraviolet lamp to the prefilter and the photocatalytic air filter through the openings; A condenser lens in the form of a convex lens which is coupled to the opening of the pre-filter side of the opening of the lamp holder and transmits ultraviolet rays of the ultraviolet lamp in a condensed state; And a diffusion lens in the form of a concave lens, which is coupled to the opening of the photocatalyst air filter side of the lamp holder and transmits ultraviolet rays of the ultraviolet lamp in a diffusion state.
The ultraviolet light condensing and diffusing device may further include a holder flow member for fixing the lamp holder to the lamp frame so that the lamp holder can flow and the lamp holder to flow together with the condenser lens and the diffusion lens.
For example, the holder flow member may include a rotating shaft disposed at both ends of the lamp holder and rotatably coupled to the lamp frame while being orthogonal to the condenser lens and the diffusing lens. And a driving motor for reciprocating the lamp holder while rotating the rotation shaft.
Further, the ultraviolet light condensing and diffusing device may further comprise a lens flow member for allowing at least one of the condenser lens and the diffusion lens to flow in the lamp holder to allow the flow.
For example, the lens flow member is formed in a groove shape in an opening of the lamp holder, and both ends of the condensing lens and the diffusion lens are fitted and engaged with each other, And a lens slot which can be accommodated in the lens housing.
According to the photocatalytic sterilizing module for purifying air having the function of condensing and diffusing ultraviolet light according to the present invention, the photocatalyst is coated on the photocatalytic air filter, and the air filtered through the pre- It is possible to decompose pollutants and bacteria and sterilize fungi and bacteria that are clustered on the surface of the photocatalytic air filter, so that hygienic air can be provided.
In particular, since the condensing lens of the ultraviolet condensing and diffusing device provides the ultraviolet rays of the ultraviolet lamp in the condensing state on the prefilter side, the sterilizing power of the ultraviolet rays is strengthened so that the air passing through the prefilter can be smoothly sterilized, Since the ultraviolet rays of the ultraviolet lamp are diffused to the side of the photocatalyst air filter, the ultraviolet rays are uniformly irradiated to the entire area of the photocatalytic air filter, so that the photocatalyst on the surface of the photocatalytic air filter can smoothly catalyze the reaction.
Also, as the lamp holder constituting the ultraviolet light condensing / diffusing device reciprocates by the rotation shaft and the driving motor, the condensing lens and the diffusion lens flow together, so that the irradiation range of ultraviolet rays can be extended.
Further, as the condensing lens or the diffusing lens is coupled to the lamp holder in such a state that the condensing lens or the diffusing lens can be moved by the lens flow member, the irradiation range of the ultraviolet rays is further expanded because the lens flows due to the wind pressure of the air passing through the pre- .
1 is a perspective view showing a photocatalytic sterilizing module for air purification according to the present invention.
2 is an exploded perspective view showing the ultraviolet condensing and diffusing device of the present invention.
3 is a longitudinal sectional view showing the ultraviolet condensing diffuser of the present invention.
4 is a perspective view of a holder flow member of the present invention.
5 is a longitudinal sectional view showing a lens flow member of the present invention.
Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted.
1 and 2, the photocatalytic sterilizing module for air purification having an ultraviolet light focusing and diffusing function according to the present invention includes a photocatalytic air filter H, an ultraviolet lamp L and an
The photocatalytic air filter H is a conventional high performance filter which is composed of a normal medium filter and a hepafar filter and filters fine dust in a state where it is installed in the
The photocatalytic air filter H is disposed behind the pre-filter P installed in the
Here, the present invention can be applied to various types of
On the other hand, the photocatalyst to be coated on the photocatalytic air filter H is not limited in its kind, and any structure known in the art to which the present invention belongs may be adopted, for example, titanium dioxide (TiO 2 ) photocatalyst.
Titanium dioxide (TiO 2 ), also known as titanium dioxide or titanium dioxide, is an environmentally friendly material that has good acid resistance and alkali resistance and is harmless to the human body and converts various pollutants into harmless substances. Such titanium dioxide has a characteristic of being hydrophilic.
The ultraviolet lamp (L) is a constituent element for directly sterilizing bacteria in the air by emitting ultraviolet rays and causing a catalytic reaction of the photocatalyst on the surface of the photocatalytic air filter (H).
Ultraviolet rays have germicidal power as it is known. Particularly, those having a wavelength of around 250 nm have a large sterilizing power, and 99% of Escherichia coli, Diphtheria, and Heterogeneous bacteria are sterilized by irradiating ultraviolet ray having a intensity of 100 W per 1 cm 2 for 1 minute.
2, the ultraviolet lamp L is installed between the pre-filter P and the photocatalytic air filter H while being accommodated in an
Here, the ultraviolet lamp L may be a vacuum tube type lamp as shown in FIG. 2, and a lamp using an ultraviolet LED may be applied as shown in FIG.
On the other hand, the ultraviolet lamp L is preferably composed of a plurality of ultraviolet lamps L as shown in Fig.
1, the ultraviolet
That is, the ultraviolet light concentrator /
For example, the ultraviolet
The
The
The
2, the
Here, the
The
That is, since the
The
The diffusing
That is, since the
The diffusing
Meanwhile, the ultraviolet condensing and diffusing
The
For example, the
The
The driving
Accordingly, the condensing
The ultraviolet condensing and diffusing
The
The
The
5, the
That is, since the
The operation and operation of the present invention including the above-described components will be described.
The photocatalytic sterilizing module of the present invention is installed in the case of the air purifier (10) and is installed behind the pre-filter (P).
The ultraviolet lamp L emits light as the suction fan of the
At this time, the
The
Meanwhile, the driving
As described above, according to the present invention, the photocatalytic sterilizing module for air purification for air purification having the function of condensing and diffusing ultraviolet rays is capable of filtering the air passing through the pre-filter P as the photocatalyst is coated on the photocatalytic air filter H, It is possible to decompose contaminants and bacteria contained in the photocatalyst air filter H and to sterilize fungi and bacteria that are clustered on the surface of the photocatalytic air filter H, thereby providing more hygienic air.
In particular, since the
Since the
Further, since the
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 exemplary embodiments. It will be apparent to those skilled in the art that various changes, substitutions, and alterations can be made therein without departing from the spirit of the invention.
10: air purifier 100: ultraviolet condensing diffuser
110: lamp frame 120: lamp holder
130: condenser lens 140: diffusing lens
150: holder flow member 151:
152: drive motor 160: lens flow member
161: Lens slot P: Pre-filter
H: photocatalytic air filter L: ultraviolet lamp
Claims (6)
A plurality of ultraviolet lamps provided between the photocatalytic air filter and the prefilter to emit ultraviolet rays and to sterilize air passing through the prefilter to induce a catalytic reaction of the photocatalytic air filter; And
And an ultraviolet condensing diffuser for receiving the ultraviolet lamp so as to allow the ultraviolet lamp to diffuse to the side of the photocatalytic air filter while providing ultraviolet rays irradiated from the ultraviolet lamp to the prefilter side in a condensed state,
The ultraviolet light concentrator /
A lamp frame provided between the pre-filter and the photocatalytic air filter to provide a supporting force;
A lamp holder installed in the lamp frame and accommodating the ultraviolet lamp therein and provided with openings on both sides thereof for providing ultraviolet rays of the ultraviolet lamp to the prefilter and the photocatalytic air filter through the openings;
A condenser lens in the form of a convex lens which is coupled to the opening of the pre-filter side of the opening of the lamp holder and transmits ultraviolet rays of the ultraviolet lamp in a condensed state; And
And a diffusing lens in the form of a concave lens, which is coupled to an opening of the lamp holder on the side of the photocatalytic air filter to transmit ultraviolet rays of the ultraviolet lamp in a diffused state.
The ultraviolet light concentrator /
Further comprising: a holder flow member for flowing the lamp holder together with the condenser lens and the diffusion lens while fixing the lamp holder to the lamp frame so as to be flowable.
Wherein the holder flow member comprises:
A rotating shaft provided at both ends of the lamp holder and rotatably coupled to the lamp frame while being orthogonal to the condenser lens and the diffusion lens; And
And a driving motor for reciprocating the lamp holder while rotating the rotary shaft.
The ultraviolet light concentrator /
Further comprising a lens flow member for allowing at least one of the condenser lens and the diffusion lens to flow in the lamp holder to allow flow.
The lens-
A lens slot formed in the shape of a groove in the opening of the lamp holder and having both ends of the focusing lens and the diffusing lens interposed therebetween and having a larger width than both ends so as to accommodate the focusing lens and the diffusing lens; Wherein the photocatalytic sterilizing module comprises:
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140102352A KR101515786B1 (en) | 2014-08-08 | 2014-08-08 | Photocatalyst sterilization module for air cleaner with function for concentrating and diffusing of uv rays |
| PCT/KR2014/007435 WO2016021756A1 (en) | 2014-08-08 | 2014-08-11 | Photocatalyst sterilization module for air purification having function of condensing and diffusing ultraviolet rays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140102352A KR101515786B1 (en) | 2014-08-08 | 2014-08-08 | Photocatalyst sterilization module for air cleaner with function for concentrating and diffusing of uv rays |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR101515786B1 true KR101515786B1 (en) | 2015-05-04 |
Family
ID=53393280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020140102352A KR101515786B1 (en) | 2014-08-08 | 2014-08-08 | Photocatalyst sterilization module for air cleaner with function for concentrating and diffusing of uv rays |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101515786B1 (en) |
| WO (1) | WO2016021756A1 (en) |
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| KR20180010876A (en) * | 2016-07-22 | 2018-01-31 | 엘지전자 주식회사 | Ultraviolet rays sterilization lamp and ultraviolet rays sterilization module and air conditioner comprising the same |
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