CN1251788C - Indoor lighting lamp type photo catelytic air purifier - Google Patents

Indoor lighting lamp type photo catelytic air purifier Download PDF

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Publication number
CN1251788C
CN1251788C CN 03127660 CN03127660A CN1251788C CN 1251788 C CN1251788 C CN 1251788C CN 03127660 CN03127660 CN 03127660 CN 03127660 A CN03127660 A CN 03127660A CN 1251788 C CN1251788 C CN 1251788C
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China
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catalyst element
photocatalyst
indoor illumination
illumination light
air cleaner
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CN 03127660
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CN1513586A (en
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金伟力
赵淑范
赵树魁
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Abstract

The present invention relates to an indoor lighting lamp type photocatelytic air purifier which comprises an illuminated light source 1, a lamp cover 2, a photocatalyst component 3, conductor wires, a chain rope 4 for hanging, etc. Because the photocatelytic air purifier is manufactured by coating and loading the microparticles of a photocatalyst and the granules of an adsorbing agent on the surfaces of ventilating holes on a honeycomb structure body which has a tremendous specific surface area and is prepared from ceramic fiber paper, aluminum foil slices or active carbon fiber paper, not only the contact area between the photocatalyst and air is increased, but also the concentration of harmful substances in contact with the photocatalyst is greatly increased due to the adsorption and the concentration of the adsorbing agent; therefore, the velocity of a photocatalytic reaction is accelerated, and the purification efficiency of the air is enhanced. In addition, because the photocatalyst component is arranged on the lamp cover of a lighting lamp, the light energy of the light source of the lighting lamp can be effectively utilized to a maximum extent, and other light source lamps are not needed; with the utilization of the convective flow action of the indoor air caused by heat generated by the light source of the lighting lamp, the indoor air can continuously go through the photocatalyst component without a fan, and the present invention can be operated without energy consumption.

Description

Indoor illumination light fitting type photo-catalytic air cleaner
Technical field
The present invention relates to a kind ofly be used for that decomposing, purifying is indoor flavor, a pernicious gas, and the employing of bacterium, virus etc. the indoor illumination light fitting type air purifier of photocatalyst.
Prior art
Along with improving constantly of people's living standard, the air-conditioning utilization rate day by day rises, so the time of the ventilation of windowing of living space reduces gradually.On the other hand, because indoor decoration, the use of top-grade furniture is widely popularized, can slowly release various organic solvents such as acetates, acetone, toluene, and the chemical substances such as formaldehyde (formalin), adjacent stupid dicarboxylic acid esters of trace from the bonding agent of employed various construction materials, wood-based plate, wall paper, flooring laminate, carpet, floor and wood furniture, coating, insect-proof agent etc., be dispersed in the room air acute uncomfortable disease such as cause occupant's dizziness, feel sick or chronic anaphylaxis diseases such as asthma, dermatitis take place.In addition, because the time decreased of the ventilation of windowing, can be because of the propagation health that jeopardize the occupant of indoor bacterium, virus, particularly when the epidemic situation as SARS or epidemic disease take place, even entail dangers to arrives occupant's life security.To one of solution of the problems referred to above, be to use air cleaner.Existing air cleaner is summarized four kinds of modes: mechanical type, electrostatic, chemical formula and photocatalyst formula.Though preceding dual mode can be removed dust, can't remove the pernicious gas composition in purifying air.Chemical mode is to coat the chemical substance that can react with pernicious gas on filtering material, as coats alkaline matter to remove deleterious acidic gases such as sulfur dioxide, nitrogen dioxide.But chemical mode can only be removed some specific harmful substance, can't remove all pernicious gases.For this reason, in recent years, people have developed the air purification method of employing photocatalyst (as day disclosure special permission communique, clear 60216827; United States Patent (USP), 4.954.645.Sep.4.1990 etc.).Though the photocatalyst method can all pernicious gases of decomposing, purifying, but, because the characteristic of photocatalyst must satisfy following two conditions and could guarantee its useful effect of performance: 1. in order to guarantee contacting of photocatalyst and pernicious gas, its surface area of carrier of year holding photocatalyst is necessary enough greatly; 2. enough optical energy irradiations must be arranged to photocatalyst surface.In view of the above, some producer develop with cellular photocatalyst structure body with can launch air purifier that ultraviolet illuminator and air-supply combine with fan etc. (as the Chinese invention patent of Daikin Industrial Co., Ltd application, 98810034.7.The utility model patent 01258706.0 of Guangdong Prov. Inst. of Ecological Environment ﹠ Soil Science's application.The patent of invention of Shimadzu Scisakusho Ltd of Japan application, day disclosure special permission communique, the spy opens 2001-79069, and the spy opens 2001-79070, and the spy opens 2001-104754.The patent of invention of Sharp Co., Ltd.'s application, the spy opens 2000-254452 etc.).Though the air cleaning efficient of this series products is higher,, owing to needing electric energy, its illuminator, fan etc. drive, not only home-use electric weight increases, electricity charge expenditure burden, and in summer, the heat energy that air purifier gives out can increase the room conditioning load, causes dual power consumption.In addition, it will occupy the interior space when using, and makes the original also hard up interior space become more crowded.To this, also there are some producers to develop the products (as the patent of invention of rattan behind the Japanese and man of virtue and ability's application, the spy opens 2003-129320) such as artificial ornamental plant, Artificial flowers and plants, wall paper that scribble photocatalyst as: surface.Though these products do not need electric power, because the area, the contact probability that contacts with pernicious gas etc. are very little, its air cleaning efficient is lower, can't satisfy the requirement of raising air cleaning ability.
Summary of the invention
Purpose of the present invention: at the problems referred to above, the invention reside in provides a kind of no energy consumption, efficient photo-catalytic air cleaner.This indoor illumination light fitting type photo-catalytic air cleaner can effectively utilize the luminous energy of lighting, without any need for external energy, does not occupy the interior space.
Feature of the present invention is: described air purifier is air cleaning is combined with light catalyst element and indoor illumination light fitting and to constitute.Its structure is, has great specific area and (can reach 3000~4500m installing on the lampshade of indoor illumination light fitting 2/ m 3) the light catalyst element of alveolate texture, the light catalyst element of alveolate texture is with inorganic adhesive (Inorganic adhesives, as the inorganic adhesive that Misao Kusano produces, colloidal silica (Co1loidal Silica) ST-40 etc., main component: SiO 240~41%; Na 2O 0.6%; H 2O 60~59%) with photocatalyst (the Detitanium-ore-type TiO that produces as Ishihara Sangyo Kaisha, Ltd. 2Photocatalyst ST-01 etc., photocatalyst particle diameter are about on the vent cap surface that 7~20nm) particulate and absorbent particles (the absorbent particles diameter is about 7~20 μ m) coating load be held in the honeycomb structure that processes with ceramic fiber paper, aluminium foil or with active carbon fiber paper and process.The position is set satisfies the vent cap medial surface that the part of the light that makes the lighting light source runs through the light catalyst element of alveolate texture of light catalyst element.And, because the effect of lighting heat that light source produces, convective flow can take place and the vent cap by light catalyst element constantly in room air, the pollutant of being carried secretly in the air, if any flavor, pernicious gas, bacterium, virus etc. will be attracted to the surface of photocatalyst structure body, and oxidation takes place under the effect of photocatalyst, be decomposed into innocuous substance, realize indoor air purification.
In above-mentioned indoor illumination light fitting type photo-catalytic air cleaner, key problem in technology of the present invention be with photocatalyst with can effectively adsorb the adsorbent that concentrates harmful substance and together be coated with load and be held in ceramic fiber paper, aluminium foil or with the specific area that active carbon fiber paper processes and (can reach 3000~4500m greatly 2/ m 3) on the vent cap surface of honeycomb structure, so not only increase the contact area of photocatalyst and air, and because the absorption inspissation of adsorbent, improved the concentration of the harmful substance that contacts with photocatalyst greatly, accelerate light-catalyzed reaction speed, improve air cleaning efficient.In addition, the light catalyst element device on the lampshade of lighting, can be realized effectively utilizing to greatest extent the luminous energy of lighting light source, not need the other light sources lamp.And the indoor air convection mobilization that has utilized the heat that produced owing to the lighting light source to cause, do not need fan can make room air constantly by light catalyst element, realizes that no energy consumption turns round.
In above-mentioned indoor illumination light fitting type photo-catalytic air cleaner, the coating of the light catalyst element of alveolate texture is carried on a shoulder pole the method for holding and can is, for example: by the TiO of weight 5~20% 2Photocatalyst, 15~25% adsorbent, 15~25% inorganic adhesive ST-40,40~50% water channel water are modulated into coating fluid, the ceramic fiber paper honeycomb structure of machine-shaping flooded in above-mentioned coating fluid pull out after tens of seconds, with hair-dryer with its unnecessary coating fluid in surface blow off, after drying under the condition of room temperature~60 ℃, put in the high temperature furnace and under 400~550 ℃ condition, calcined 1~2 hour, take out cool to room temperature, just can obtain the light catalyst element of alveolate texture.And, if in above-mentioned coating fluid, add a kind of or more than one other metallic compounds in 0.1~2% copper (Cu), cobalt (Co), zinc (Zn), silver (Ag), platinum (Pt), gold (Au), palladium (Pd), nickel (Ni) metal of etc.ing, can further improve the function and activity of photocatalyst.
In embodiments of the present invention, light catalyst element can be loaded on the cylindrical lampshade of indoor illumination light fitting, or is contained on the umbrella shape lampshade, or is contained on square lampshade, microscler lampshade or the oval globe holder.Here said lighting can be an indoor roof pendent lamp, or floor lamp or desk lamp.And the light source of lighting can be an incandescent lamp, or fluorescent lamp.
In the embodiments of the present invention, with photocatalyst (as TiO 2) particulate together to be coated with the lip-deep adsorbent of vent cap that load is held in the honeycomb structure that processes with ceramic fiber paper or with aluminium foil can be molecular sieve (being also referred to as zeolite), or silica gel, active carbon.
In the embodiments of the present invention, the material that photocatalyst and adsorbent coating load are held with honeycomb structure can be ceramic fiber paper, aluminium foil or active carbon fiber paper etc.
With reference to accompanying drawing, and nationality can more clearly be understood purpose, feature and the effect thereof of the invention described above by the explanation of following embodiment.
Description of drawings
Figure 1 shows that the schematic diagram of the cylindrical lampshade of one of embodiments of the present invention.
Figure 2 shows that the photo of the light catalyst element of the annular alveolate texture among Fig. 1.
Figure 3 shows that the schematic diagram of one of embodiments of the present invention umbrella shape lampshade.
Figure 4 shows that the schematic diagram of one of embodiments of the present invention square lampshade.
Figure 5 shows that the schematic diagram of the microscler lampshade of one of embodiments of the present invention.
Figure 6 shows that the schematic diagram of the oval globe holder of one of embodiments of the present invention.
Figure 7 shows that the photo of the light catalyst element of the strip alveolate texture in the embodiment of the invention.
Used mark among the figure:
1-illuminator 2-lampshade 3-light catalyst element 4-lead and suspension chain rope
The signal of 5-room air inflow direction signal 6-purified air stream outgoing direction
The explanation of inventive embodiments
Fig. 1 is the lighting type photo-catalytic air cleaner that uses as indoor roof pendent lamp.It comprises lighting source (fluorescent lamp or incandescent lamp) 1, lampshade 2, light catalyst element 3, lead and hangs with chain rope 4 etc.Light catalyst element is an annular, and be loaded in cylindrical lampshade above, its detailed construction is shown in the photo of Fig. 2.When using lighting (lighting a lamp), because the heating functioin of light source, the air themperature in the lampshade can rise, volume expands.Comparing its proportion with indoor other local air diminishes, therefore the air in the lampshade can constantly flow through alveolate texture light catalyst element vent cap and form ascending air, meanwhile, indoor other local air can constantly replenish, flow in the lampshade and form the convective flow of air.Because this convective flow effect, room air will be constantly by the vent cap of light catalyst element, the pollutant of being carried secretly in the air, if any flavor, pernicious gas, bacterium, virus etc. will be attracted to the surface of photocatalyst structure body.On the other hand, light catalyst element by device on the lampshade of lighting, light catalyst element the vent cap medial surface that a part that the position makes the lighting source light runs through the light catalyst element of alveolate texture is set.Realized absorbing to greatest extent the luminous energy of lighting light source.Because normally used lighting source lamp (for example: fluorescent lamp) except sending visible light, also send the following ultraviolet light of wavelength 400nm, after photocatalyst is by the irradiation of the light of wavelength 300~400nm, light quantum hv greater than photocatalyst semiconductor energy gap Eg is absorbed by photocatalyst, valence band electronics in the photocatalyst semiconductor is excited to conduction band becomes free electron, forms a positive electricity free hole simultaneously in valence band.These high-octane electronics and positive electricity hole can react with the airborne water and the oxygen of photocatalyst surface, generate excitation state hydroxyl free radical OH (having the above energy of 120kcai/mol) with high oxidability, reach oxygen anion O 2 -Isoreactivity oxygen.These active oxygens can destroy nearly all chemical bonds (bond energy is all below 111kcai/mol) such as C-C key in the organic compound, c h bond, C-N key, O-H key, N-H key.Therefore by photocatalyst luminous energy is changed into the chemical reaction energy, make aforementioned be adsorbed flavor, pernicious gas arranged, bacterium, oxidation, decomposition reaction take place in virus etc. under the effect of photocatalyst, become innocuous substance, realize indoor air purification.
In above narration, the photocatalyst that the present invention uses is with titanium dioxide (TiO 2) for example is illustrated, this is because titanium dioxide under more weak action of ultraviolet light, also can be brought into play its catalysed oxidn efficiently, is therefore preferentially adopted.Other photocatalyst is as zinc oxide (ZnO) tungsten oxide (WO 3) wait also and can use.
Fig. 3~other embodiment of the present invention shown in Figure 6, identical with the basic comprising of the foregoing description, operation principle etc., for fear of tediously long repetition, omit detailed description here to other embodiment of the present invention of Fig. 3~shown in Figure 6.
Range of application
As mentioned above, Indoor lighting lamp type photo catelytic air purifier of the present invention not only can be used for general residential houses, The guest room that also can be used for hotel, restaurant, or the field that IAQ is had relatively high expectations such as the ward of being in hospital of hospital The institute.

Claims (10)

1. indoor illumination light fitting type photo-catalytic air cleaner, it is characterized in that: described air purifier combines air cleaning and constitutes with light catalyst element and indoor illumination light fitting, its structure is, is 3000~4500m installing specific area on the lampshade of indoor illumination light fitting 2/ m 2The light catalyst element of alveolate texture, the light catalyst element of alveolate texture is the particulate of photocatalyst and absorbent particles coating load to be held on the vent cap surface of the honeycomb structure that processes with ceramic fiber paper, active carbon fiber paper or with aluminium foil with inorganic adhesive to process; The position is set satisfies the vent cap that the part of the light that makes the lighting light source can run through the light catalyst element of alveolate texture of light catalyst element, and can utilize the indoor air convection mobilization that causes owing to lighting heat that light source produces, make the room air vent cap by light catalyst element constantly.
2. indoor illumination light fitting type photo-catalytic air cleaner as claimed in claim 1 is characterized in that: the light catalyst element that has installed the annular alveolate texture on the umbrella shape lampshade constitutes.
3. indoor illumination light fitting type photo-catalytic air cleaner as claimed in claim 1 is characterized in that: the light catalyst element that has installed the strip alveolate texture on the square lampshade constitutes.
4. indoor illumination light fitting type photo-catalytic air cleaner as claimed in claim 1 is characterized in that: the light catalyst element that has installed the strip alveolate texture on microscler lampshade constitutes.
5. indoor illumination light fitting type photo-catalytic air cleaner as claimed in claim 1 is characterized in that: the light catalyst element that has installed the annular alveolate texture on oval globe holder constitutes.
6. according to the described indoor illumination light fitting type of arbitrary claim photo-catalytic air cleaner in the claim 1 to 5, the light catalyst element of the alveolate texture that is adopted, be with photocatalyst with together be coated with load as the molecular sieve of adsorbent and be held on the vent cap surface of the honeycomb structure that processes with ceramic fiber paper, active carbon fiber paper or with aluminium foil and process.
7. according to the described indoor illumination light fitting type of arbitrary claim photo-catalytic air cleaner in the claim 1 to 5, the light catalyst element of the alveolate texture that is adopted, be with photocatalyst with together be coated with load as the silica gel of adsorbent and be held on the vent cap surface of the honeycomb structure that processes with ceramic fiber paper, active carbon fiber paper or with aluminium foil and process.
8. according to the described indoor illumination light fitting type of arbitrary claim photo-catalytic air cleaner in the claim 1 to 5, the light catalyst element of the alveolate texture that is adopted, be with photocatalyst with together be coated with load as the active carbon of adsorbent and be held on the vent cap surface of the honeycomb structure that processes with ceramic fiber paper or with aluminium foil and process.
9. according to the described indoor illumination light fitting type of arbitrary claim photo-catalytic air cleaner in the claim 1 to 5, the lighting light source that is adopted is an incandescent lamp, or circline, or straight-pipe fluorescent lamp.
10. according to the described indoor illumination light fitting type of arbitrary claim photo-catalytic air cleaner in the claim 1 to 5, the lighting that is adopted is indoor pendent lamp, or floor lamp, or desk lamp.
CN 03127660 2003-08-01 2003-08-01 Indoor lighting lamp type photo catelytic air purifier Expired - Fee Related CN1251788C (en)

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Application Number Priority Date Filing Date Title
CN 03127660 CN1251788C (en) 2003-08-01 2003-08-01 Indoor lighting lamp type photo catelytic air purifier

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Application Number Priority Date Filing Date Title
CN 03127660 CN1251788C (en) 2003-08-01 2003-08-01 Indoor lighting lamp type photo catelytic air purifier

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CN1513586A CN1513586A (en) 2004-07-21
CN1251788C true CN1251788C (en) 2006-04-19

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
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WO2010079854A1 (en) * 2009-01-08 2010-07-15 주식회사 엘지하우시스 Catalyst for removing nitrogen oxides from exhaust gas, preparation method thereof, and method for removing nitrogen oxides from exhaust gas using the same
CN102343108A (en) * 2010-08-04 2012-02-08 江苏友奥电器有限公司 Air purifier
CN102225215B (en) * 2011-06-22 2013-12-04 李霁野 Inner coupling electrodeless induction discharging ultraviolet light catalyst sterilization lamp
CN104896598A (en) * 2015-06-15 2015-09-09 东华大学 Air purifying disinfecting energy-saving lamp
CN106189166B (en) * 2016-07-20 2018-03-27 王玲 A kind of LED and preparation method thereof
CN107825941A (en) * 2017-11-02 2018-03-23 无锡风正科技有限公司 A kind of Vehicle-Mounted Decontamination Apparatus
GB2570640A (en) * 2018-01-22 2019-08-07 Dyson Technology Ltd A fan assembly
CN108609685A (en) * 2018-05-17 2018-10-02 江苏工程职业技术学院 A kind of dyeing and printing sewage filtering material of containing mesopore material and preparation method thereof
CN109489143A (en) * 2018-11-12 2019-03-19 郑州大学 A kind of Intelligent air purifier
CN112066629A (en) * 2020-09-04 2020-12-11 海信容声(广东)冰箱有限公司 Lampshade for refrigerator and refrigerator

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Granted publication date: 20060419