CN104399322A - Photocatalyst filter screen for automotive air conditioner - Google Patents
Photocatalyst filter screen for automotive air conditioner Download PDFInfo
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- CN104399322A CN104399322A CN201410792355.9A CN201410792355A CN104399322A CN 104399322 A CN104399322 A CN 104399322A CN 201410792355 A CN201410792355 A CN 201410792355A CN 104399322 A CN104399322 A CN 104399322A
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- filtering screen
- catalytic filtering
- filter screen
- lamp tube
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Abstract
The invention discloses a photocatalyst filter screen for an automotive air conditioner. The filter screen comprises a three-layer structure including an HEPA (high efficiency particulate air) filtering layer, an ultraviolet lamp tube layer and a honeycomb sponge photocatalyst filter screen which are arranged from outside to inside sequentially as well as a packaging enclosure arranged on the periphery of the three-layer structure. Harmful organic matters such as formaldehyde, methylamine, benzene, dimethylbenzene, TVOC (total volatile organic compound) and the like, pollutants, odor, bacteria and the like are oxidized and decomposed into harmless CO2 and H2O by the honeycomb sponge photocatalyst filter screen under irradiation of ultraviolet rays; the ultraviolet lamp tube layer not only provides the ultraviolet rays, but also can perform sterilization; and finally, small particles in the air are filtered out by the HEPA filtering layer. By means of the three-layer structure combining the HEPA filtering layer, the ultraviolet lamp tube layer and the honeycomb sponge photocatalyst filter screen, dust, gaseous pollutants and pathogenic bacteria in the air inside an automobile can be effectively removed, and a healthy automobile inside environment is provided for a passenger.
Description
Technical field
The present invention relates to a kind of air conditioning for automobiles photo-catalytic filtering screen, be specifically related to a kind ofly effectively to filter PM2.5, by light-catalyzed reaction, the oxidation Decomposition such as the harmful organic substances such as formaldehyde, methylamine, benzene, dimethylbenzene, TVOC, pollutant, foul smell, bacterium be become harmless CO
2and H
2o, reaches purifying in-vehicle air, decomposes the air conditioning for automobiles photo-catalytic filtering screen of the object of harmful organic substance.
Background technology
Along with general-utility car air-conditioning system generally all adopts Inner eycle or inside and outside mixing circulation, air-conditioning return air all or major part be air in car, special filter sterilization odor removal do not equipped by automobile yet, in the season of using air-condition, substantially air-tight state is in car, cause air in car repeatedly to recycle, various germ in air, dust cannot be got rid of.Current automotive air-conditioning system is generally all equipped with one deck return air filter screen on air return system, this kind of filter screen is generally made up of common PP, air-conditioning return air is only had to the effect of Chalk-dust filtering, the various bacteriums in return air cannot be removed, return air filter screen is owing to accumulating dust for a long time simultaneously, moisture, itself is breed bacteria also, goes mouldy.
With the development of society, existing automobile air-conditioning filter screen can not meet the requirement of people to social materials condition, therefore, need improve this automobile air-conditioning filter screen.
Summary of the invention
For above-mentioned weak point of the prior art, the present invention aims to provide a kind of air conditioning for automobiles photo-catalytic filtering screen, effectively can remove the dust in car in air, harmful organic substance and pathogenic bacteria, provides healthy environment inside car to occupant.
To achieve these goals, technical scheme of the present invention: a kind of air conditioning for automobiles photo-catalytic filtering screen, this screen pack is surrounded by the HEPA filter course set gradually from outside to inside, ultraviolet lamp tube layer, cellular sponge photo-catalytic filtering screen three-decker and the encapsulation be arranged at around this three-decker and forms.
Further, described cellular sponge photo-catalytic filtering screen adopts cellular polyurethane screen pack as base material.
Further, described HEPA filter course forms by fold the number of plies be that the HEPA filter screen of 50 ± 2 layers is stacked.
Further, described HEPA filter course thickness is 10 ± 0.3mm.
Further, the thickness of described ultraviolet lamp tube layer is 5 ± 0.4mm.
Further, it is 5mm that described ultraviolet lamp tube layer includes 5 thickness, and length is the cold cathode uv lamp pipe of 185mm, and its interval is laid in described ultraviolet lamp tube layer, and gap, interval is 33 ± 1mm, light tube electric voltage 12V.
Further, described cellular sponge photo-catalytic filtering screen is the cellular sponge photo-catalytic filtering screen of gross porosity that 3 ± 0.3mm is thick.
Beneficial effect of the present invention: under ultraviolet irradiation, the oxidation Decomposition such as the harmful organic substances such as formaldehyde, methylamine, benzene, dimethylbenzene, TVOC, pollutant, foul smell, bacterium are become harmless CO by cellular sponge photo-catalytic filtering screen
2and H
2o; Ultraviolet lamp tube layer provides outside ultraviolet for cellular sponge photo-catalytic filtering screen, also carries out sterilization by this ultraviolet; The fine particles in air is filtered out finally by HEPA filter course.Effectively can remove dust in car in air, gaseous contaminant and pathogenic bacteria with HEPA filter course, ultraviolet lamp tube layer, the combination of cellular sponge photo-catalytic filtering screen three-decker, provide healthy environment inside car to occupant; And sealed by the encapsulation encirclement around three-decker and car body air conditioning window interruption-forming, prevent partial air gap around this screen pack from entering in car.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is layer structure simplified schematic diagram of the present invention.
Detailed description of the invention
The present invention is further described below in conjunction with specific embodiment and accompanying drawing.
An air conditioning for automobiles photo-catalytic filtering screen as described in Figure 1, this screen pack is surrounded by the HEPA filter course 1 set gradually from outside to inside, ultraviolet lamp tube layer 2, cellular sponge photo-catalytic filtering screen 3 three-decker and the encapsulation be arranged at around this three-decker and forms.
The oxidation Decomposition such as the harmful organic substances such as formaldehyde, methylamine, benzene, dimethylbenzene, TVOC, pollutant, foul smell, bacterium are become harmless CO by cellular sponge photo-catalytic filtering screen 3 by this invention under ultraviolet irradiation
2and H
2o; Ultraviolet lamp tube layer 2 provides outside ultraviolet for cellular sponge photo-catalytic filtering screen, also carries out sterilization by this ultraviolet; The fine particles in air is filtered out finally by HEPA filter course 1.Effectively can remove dust in car in air, gaseous contaminant and pathogenic bacteria with HEPA filter course 1, ultraviolet lamp tube layer 2, the combination of cellular sponge photo-catalytic filtering screen 3 three-decker, provide healthy environment inside car to occupant; And sealed by the encapsulation encirclement around three-decker and car body air conditioning window interruption-forming, prevent partial air gap around this screen pack from entering in car.
Particularly, be less than 20Pa for windage, described cellular sponge photo-catalytic filtering screen 3 adopts cellular polyurethane screen pack as base material, and at the online corresponding photocatalyst such as nano-TiO assembling a great deal of of this polyurethane filter
2, ZnO, CdS, WO
3, Fe
2o
3, PbS, SnO
2, ZnS, SrTiO
3, SiO
2deng namely forming cellular sponge photo-catalytic filtering screen 3.
To be that the HEPA filter screen of 50 ± 2 layers is stacked by the folding number of plies form described HEPA filter course 1, and this HEPA filter course 1 thickness is 10 ± 0.3mm, the efficiency can filtering the above particulate of PM2.5 diameter is 90%.The thickness of described ultraviolet lamp tube layer 2 is 5 ± 0.4mm, it is 5mm that this ultraviolet lamp tube layer 2 includes 5 thickness, and length is the cold cathode uv lamp pipe of 185mm, and its interval is laid in described ultraviolet lamp tube layer 2, and gap, interval is 33 ± 1mm, light tube electric voltage 12V.And described cellular sponge photo-catalytic filtering screen 3 is the cellular sponge photo-catalytic filtering screen of gross porosity that 3 ± 0.3mm is thick.
Carry out test comparison by this air conditioning for automobiles photo-catalytic filtering screen and common screen pack, draw:
| PM2.5 particulate | Harmful organic substance | Germ | Filter effect | |
| Common screen pack | 84% is even lower | Without effect | Without effect | |
| Air conditioning for automobiles photo-catalytic filtering screen | 90％～91％ | Potent decomposition | Efficiently kill | Sealing |
Difference in HEPA filter course in this air conditioning for automobiles photo-catalytic filtering screen fold the number of plies for PM2.5,
The adsorption effect of PM2.7 diameter particles is as following table:
| HEPA filter course (the folding number of plies) | 48 | 49 | 50 | 51 | 52 |
| PM2.5 particulate adsorption effect | 90.08％ | 90.21％ | 90.29％ | 90.85％ | 90.37％ |
| PM2.7 particulate adsorption effect | 93.21％ | 93.38％ | 93.42％ | 93.76％ | 93.34％ |
The different-thickness of the cellular sponge photo-catalytic filtering screen in this air conditioning for automobiles photo-catalytic filtering screen sees the following form for resolution ratios such as the harmful organic substances such as formaldehyde, methylamine, benzene, dimethylbenzene, TVOC, pollutant, foul smell, bacteriums:
Above the technical scheme that the embodiment of the present invention provides is described in detail, apply specific case herein to set forth the principle of the embodiment of the present invention and embodiment, the explanation of above embodiment is only applicable to the principle helping to understand the embodiment of the present invention; Meanwhile, for one of ordinary skill in the art, according to the embodiment of the present invention, detailed description of the invention and range of application all will change, and in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. an air conditioning for automobiles photo-catalytic filtering screen, is characterized in that: this screen pack is surrounded by the HEPA filter course (1) set gradually from outside to inside, ultraviolet lamp tube layer (2), cellular sponge photo-catalytic filtering screen (3) three-decker and the encapsulation be arranged at around this three-decker and forms.
2. air conditioning for automobiles photo-catalytic filtering screen according to claim 1, is characterized in that: described cellular sponge photo-catalytic filtering screen (3) adopts cellular polyurethane screen pack as base material.
3. air conditioning for automobiles photo-catalytic filtering screen according to claim 1, is characterized in that: to be that the HEPA filter screen of 50 ± 2 layers is stacked by the folding number of plies form described HEPA filter course (1).
4. air conditioning for automobiles photo-catalytic filtering screen according to claim 3, is characterized in that: described HEPA filter course (1) thickness is 10 ± 0.3mm.
5. air conditioning for automobiles photo-catalytic filtering screen according to claim 1, is characterized in that: the thickness of described ultraviolet lamp tube layer (2) is 5 ± 0.4mm.
6. air conditioning for automobiles photo-catalytic filtering screen according to claim 5, it is characterized in that: it is 5mm that described ultraviolet lamp tube layer (2) includes 5 thickness, length is the cold cathode uv lamp pipe of 185mm, its interval is laid in described ultraviolet lamp tube layer (2), and gap, interval is 33 ± 1mm, light tube electric voltage 12V.
7. air conditioning for automobiles photo-catalytic filtering screen according to claim 1, is characterized in that: described cellular sponge photo-catalytic filtering screen (3) is the cellular sponge photo-catalytic filtering screen of gross porosity that 3 ± 0.3mm is thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792355.9A CN104399322A (en) | 2014-12-19 | 2014-12-19 | Photocatalyst filter screen for automotive air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410792355.9A CN104399322A (en) | 2014-12-19 | 2014-12-19 | Photocatalyst filter screen for automotive air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104399322A true CN104399322A (en) | 2015-03-11 |
Family
ID=52637026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410792355.9A Pending CN104399322A (en) | 2014-12-19 | 2014-12-19 | Photocatalyst filter screen for automotive air conditioner |
Country Status (1)
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|---|---|
| CN (1) | CN104399322A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106237853A (en) * | 2016-08-31 | 2016-12-21 | 芜湖恒耀汽车零部件有限公司 | The preparation method of the effective hyperfine HEPA filtering meshes of cleaning type automobile exhaust |
| CN106830499A (en) * | 2015-12-07 | 2017-06-13 | *** | Modified polyurethane screen pack integrated sewage treating apparatus |
| CN108785818A (en) * | 2018-07-23 | 2018-11-13 | 常州市肿瘤医院(常州市第四人民医院) | A kind of nasal endotracheal tube fixer |
| CN116672828A (en) * | 2023-06-25 | 2023-09-01 | 广东工业大学 | HV high-efficiency filtering membrane device capable of self-cleaning and working principle thereof |
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| CN2837719Y (en) * | 2005-03-18 | 2006-11-15 | 广州市华之特奥因特种材料科技有限公司 | Indoor air purifier with photocatalytic oxidant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106237853A (en) * | 2016-08-31 | 2016-12-21 | 芜湖恒耀汽车零部件有限公司 | The preparation method of the effective hyperfine HEPA filtering meshes of cleaning type automobile exhaust |
| CN108785818A (en) * | 2018-07-23 | 2018-11-13 | 常州市肿瘤医院(常州市第四人民医院) | A kind of nasal endotracheal tube fixer |
| CN116672828A (en) * | 2023-06-25 | 2023-09-01 | 广东工业大学 | HV high-efficiency filtering membrane device capable of self-cleaning and working principle thereof |
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Application publication date: 20150311 |