CN101469889A - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN101469889A CN101469889A CNA200710125698XA CN200710125698A CN101469889A CN 101469889 A CN101469889 A CN 101469889A CN A200710125698X A CNA200710125698X A CN A200710125698XA CN 200710125698 A CN200710125698 A CN 200710125698A CN 101469889 A CN101469889 A CN 101469889A
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- China
- Prior art keywords
- air
- oxide
- tio
- light source
- transition metal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Catalysts (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention provides an air conditioner comprising an air conditioner main body, the air conditioner main body comprises a filter net, the filter net is plated with TiO2 coating layer, the TiO2 coating layer is doped with NxOy and transition metal oxide, a light source is provided in the air conditioner main body; the NxOy and the transition metal oxide can cooperate to catalyze the TiO2, so that the nano TiO2 can catalyze the required light area from the ultraviolet light area to the visual light area, thereby improving the photochemical catalysis activity of the nano TiO2, increasing the selection range of the light source, improving the deodorization effect, meanwhile, the selectivity of the light source is much more and the price is low.
Description
Technical field
The present invention relates to the air cleaning unit field, especially relate to a kind of air-conditioner capable of purifying air.
Background technology
Raising gradually along with modern life level, people are also more and more higher to the requirement of environmental condition, at the comparatively serious problem of indoor environmental pollution multiple air cleaning unit has appearred for this reason, the most common is exactly to utilize chemical substance that air is handled, the air freshener of solid or liquid for example, but more or less contain in this air freshener the disadvantageous chemical composition of health, also thorough inadequately to the purification of air simultaneously; Therefore the means for air conditioner photoactivation technology that occurred in market is carried out the purified treatment of air, and major part is to adopt TiO
2Screen pack carries out light-catalyzed reaction under ultraviolet light conditions, will add that perhaps extraordinary catalyst such as Nano Silver carry out the catalytic reaction under the visible light, but that this material carries out catalytic reaction light source range of choice is narrow and small, and price comparison is expensive, and odor removal efficient is lower.
Summary of the invention
The object of the present invention is to provide a kind of air-conditioner, it is low to be intended to solve air-conditioner odor removal efficient of the prior art, the selected problem that catalytic reaction material light source range of choice is little and price comparison is expensive.
The present invention is achieved in that provides a kind of air-conditioner, comprises air conditioner main body, and this air conditioner main body includes screen pack, wherein: be coated with TiO on the described screen pack
2Coating, this TiO
2Ooze the assorted N that has in the coating
xO
yNitrogen oxide and transition metal oxide also are provided with light source in the described air conditioner main body.
Described N
xO
yIn the nitrogen oxide, X=1 or 2, Y=2 or 3.
Described transition metal oxide is one or more in chromium oxide, cupric oxide, manganese dioxide, nickel oxide, cobalt oxide or the iron oxide.Preferred nickel oxide or iron oxide.
Described light source is the light source of spectrum below 530nm.
Described light source is LED lamp or fluorescent lamp.
Described LED lamp is purple light or blue LED lamp.
Described TiO
2Material is a sharp ore deposit type nano-TiO
2Material.
Described screen pack is a loose structure, the described TiO that is doped with nitrogen oxide and transition metal oxide
2Material penetrates in the hole of screen pack.
The present invention overcomes the deficiencies in the prior art, adopts and is being doped with N
xO
yThe TiO of nitrogen oxide and transition metal oxide
2Material carries out catalytic reaction under led light source, by adopting N
xO
y(nitrogen oxide) and transition metal oxide are to TiO
2Material plays the effect of concerted catalysis, can make nano-TiO
2Catalysis institute light requirement zone becomes the visible region by ultraviolet light, has improved the photocatalytic activity of nano TiO 2 greatly, has increased the range of choice of light source, has improved deodorizing effect, and simultaneously, the much more alternative and price of light source is also more cheap.
The specific embodiment
The invention provides a kind of air-conditioner, comprise air conditioner main body, this air conditioner main body includes screen pack, is coated with TiO on the described screen pack
2Coating, this TiO
2Ooze the assorted N that has in the coating
xO
yNitrogen oxide and transition metal oxide also are provided with light source in the described air conditioner main body; By doping N
xO
y(nitrogen oxide) and transition metal oxide are to TiO
2In the material, can make nano-TiO
2Catalysis institute light requirement zone becomes the visible region by ultraviolet light, has improved nano-TiO greatly
2Photocatalytic activity, increased the range of choice of light source, improved antibiotic, deodorizing effect, simultaneously, light source alternative many and price is also more cheap.
The present invention is by at TiO
2The middle transition metal oxide of introducing can be at TiO
2Impurity energy level such as introduce the alms giver in the forbidden band and led is to TiO
2Itself excite the photo-generated carrier of generation to play the effect of capturing trap.An amount of captures trap and can promote to be excited carrier at TiO
2The diffusion process of particle inside prolongs and to be excited life-span of carrier, significantly reduces the surface recombination of electron hole pair, strengthens the photocatalytic activity of photochemical catalyst; In addition, TiO
2After the Ti ion is substituted by metal ion in the lattice, because TiO
2The overlapping TiO that is reduced to of conduction band of middle Ti ion and injection metal ion track
2Band gap and make the TiO of modification
2Photochemical catalyst can absorb visible light, the absorption spectrum red shift, thus catalyst can be worked under visible light; The present invention is at TiO
2Middle doped nitric oxide makes TiO
2The energy consumption that forms of oxygen vacancies position significantly reduce doped Ti O not
2The relevant excess electron in oxygen room when being captured on the doping position of N, the oxygen room forms energy consumption and reduces, and when existing in the oxygen room, the energy consumption of nitrogen-atoms replace oxygen atom reduces, nitrogen mixes and is accompanied by the increase that the oxygen room forms, TiO
2In mix nitrogen oxide and cause the oxygen room to form the reduction of energy consumption, induced the formation in oxygen room, the reactive activity position can be served as in the oxygen room, the increase of surface of solids oxygen room quantity will make the red shift of surface light chemical process to visible region.
In the present invention, described N
xO
yIn the nitrogen oxide, X=1 or 2, Y=2 or 3; Described transition metal oxide is one or more in chromium oxide, cupric oxide, manganese dioxide, nickel oxide, cobalt oxide or the iron oxide.Preferred nickel oxide or iron oxide.
Light source of the present invention is LED lamp or fluorescent lamp, TiO
2Material is a sharp ore deposit type nano-TiO
2Material, screen pack are loose structure, the described N that is doped with
xO
yThe TiO of nitrogen oxide and transition metal oxide
2Material penetrates in the hole of screen pack, and described LED lamp is purple light or blue LED lamp.Screen pack of the present invention is that loose structure, high BET can be with, under fluorescent lamp and LED irradiation, carry out visible photochemical reaction, the alternative many and low price of light source can use to the spectrum below the 530nm in the solar spectrum, i.e. about 50% spectrum utilization rate in the solar spectrum.And general T iO
2Photochemical catalyst only uses about 5% of solar spectrum.The present invention is installed in this screen modules and can plays under the visible light source of broad the effectively function of deodorizing on the outer cover of air-conditioning, the present invention preferably selects led light source, this led light source can be selected blueness, purple etc., carries out the switching of light source as required, carries out different deodorizing tasks.
Embodiment 1
The TiO that the embodiment of the invention is used
2Physical characteristic as shown in table 1:
Characteristic | Unit | Numerical value |
Particle diameter | nm | <10nm |
The BET surface energy band | m2/g | 320 |
Bore dia | nm | 23 |
Model | Do not have | Anatase titanium dioxide |
Table 1
At TiO of the present invention
2Ooze the assorted NO that has in the coating
2Nitrogen oxide and nickel oxide make filter screen of air conditioner, and in air-conditioner the LED lamp are installed, and this LED lamp can be selected blue light or purple light, and its deodorizing (trimellitic anhydride and ammonia) test result is as shown in table 2:
Time | Trimellitic anhydride/ammonia removal rate (%) |
0min | 0% |
15min | 81%/57% |
30min | 85%/70% |
Temperature/RH | 27℃/27% |
Table 2
By table 2 as can be known, at the described TiO of the embodiment of the invention
2Ooze the assorted NO that has in the coating
2Nitrogen oxide and nickel oxide make filter screen of air conditioner and use on air-conditioner, can reach good deodorizing effect.
Embodiment 2
The employed TiO of present embodiment
2Physical characteristic with embodiment 1, at described TiO
2Ooze the assorted N that has in the coating
2O
3Nitrogen oxide and iron oxide make filter screen of air conditioner, and in air-conditioner a fluorescent lamp are installed, and its deodorizing (TMA and ammonia) test result is as shown in table 3:
Time | TMA/ ammonia removal rate (%) |
0min | 0% |
15min | 80%/56% |
30min | 86%/70% |
Temperature/RH | 27℃/27% |
Table 3
By table 3 as can be known, at the described TiO of the embodiment of the invention
2Ooze the assorted N that has in the coating
2O
3Nitrogen oxide and nickel oxide make filter screen of air conditioner and use on air-conditioner, can reach good deodorizing effect.
Claims (9)
1, a kind of air-conditioner comprises air conditioner main body, and this air conditioner main body includes screen pack, it is characterized in that: be coated with TiO on the described screen pack
2Coating, this TiO
2Ooze the assorted N that has in the coating
xO
yNitrogen oxide and transition metal oxide also are provided with light source in the described air conditioner main body.
2, air-conditioner according to claim 1 is characterized in that: described N
xO
yIn the nitrogen oxide, X=1 or 2, Y=2 or 3.
3, air-conditioner according to claim 1 and 2 is characterized in that: described transition metal oxide is one or more in chromium oxide, cupric oxide, manganese dioxide, nickel oxide, cobalt oxide or the iron oxide.
4, air-conditioner according to claim 3 is characterized in that: described transition metal oxide is iron oxide or nickel oxide.
5, air-conditioner according to claim 3 is characterized in that: described light source is the light source of spectrum below 530nm.
6, air-conditioner according to claim 5 is characterized in that: described light source is LED lamp or fluorescent lamp.
7, air-conditioner according to claim 6 is characterized in that: described LED lamp is purple light or blue LED lamp.
8, air-conditioner according to claim 3 is characterized in that: described TiO
2Material is a sharp ore deposit type nano-TiO
2Material.
9, air-conditioner according to claim 3 is characterized in that: described screen pack is a loose structure, the described TiO that is doped with nitrogen oxide and transition metal oxide
2Material penetrates in the hole of screen pack.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA200710125698XA CN101469889A (en) | 2007-12-29 | 2007-12-29 | Air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA200710125698XA CN101469889A (en) | 2007-12-29 | 2007-12-29 | Air conditioner |
Publications (1)
Publication Number | Publication Date |
---|---|
CN101469889A true CN101469889A (en) | 2009-07-01 |
Family
ID=40827601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA200710125698XA Pending CN101469889A (en) | 2007-12-29 | 2007-12-29 | Air conditioner |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN101469889A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108452362A (en) * | 2018-06-21 | 2018-08-28 | 广东美的环境电器制造有限公司 | Sterilize module and disinfection equipment |
-
2007
- 2007-12-29 CN CNA200710125698XA patent/CN101469889A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108452362A (en) * | 2018-06-21 | 2018-08-28 | 广东美的环境电器制造有限公司 | Sterilize module and disinfection equipment |
CN108452362B (en) * | 2018-06-21 | 2021-01-12 | 广东美的环境电器制造有限公司 | Sterilization module and sterilization equipment |
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PB01 | Publication | ||
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C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090701 |