CN2683237Y

CN2683237Y - Minisize nano photocatalyzed air purifier

Info

Publication number: CN2683237Y
Application number: CN 200420021772
Authority: CN
Inventors: 何冠东
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-13
Filing date: 2004-04-13
Publication date: 2005-03-09
Anticipated expiration: 2014-04-13

Abstract

The utility model relates to a miniature nanometer photocatalysed air purifier which comprises a box body, a grid-shaped wind inlet window, a grid-shaped wind outlet window, an axial flow fan, a filter screen and a sterilization device. The utility model is characterized in that the sterilization device is a nanometer photocatalysed cavity which is arranged on the middle upper part of the box body; a nanometer TiO2 metal net is processed into a flat S shape, two ultraviolet lamp tubes with special wavelength are parallelly installed on two center positions of the nanometer TiO2 metal net which presents the flat S shape, and one end of each ultraviolet lamp tube presents an H shape; the S-shaped nanometer TiO2 metal net is provided with corresponding S-shaped positioning grooves at the inner sides of a front side plate of the box body and a cover plate on the rear side of the box body; the wavelength of the main peak of the ultraviolet lamp tube near the bottom is 185 nm, and the wavelength of the main peak of the ultraviolet lamp tube near the upper part is 253.7 nm. The utility model can be used for living rooms of families, guest rooms of hotels, sickrooms of hospitals, and small offices; the utility model can remove dust, can kill germs, can eliminate foreign taste and can retain clean aroma in the maximum extent, and thus, the indoor air quality can be improved.

Description

Miniature nanometer photocatalytic air purifying machine

One, technical field:

This utility model relates to a kind of miniature nanometer photocatalytic air purifying machine, and it is the air cleaner of the novel multifunction that combines with the plant smell removal liquid with the nano-photo catalytic reaction chamber, is applied in family, hotel, hospital, office's inner air-cleaning.

Two, background technology:

The miniature air clearing machine of sales volume maximum in the market, employing be strainer filtering technology and anion technology.It discharges the function that reaches dust removal, bacteriological filtration, release negative oxygen ion by low efficient filter screen, activated carbon adsorption net and HEPA drainage screen and anion.Simple in structure because of it, so cost is lower, but its weak point is fairly obvious.One, filter screen can only the dust removal bacteriological filtrations, can not kill bacteria, and under suitable temperature and humidity condition, the antibacterial on the filter screen can a large amount of breedings, produce secondary pollution; Its two, HEPA filter screen aperture is superfine, is very easily stopped up by dust, along with the dust deposit, windage can be increasing, so that final air-flow can not pass through, and loses purification function, this net can not clean, as changes it, cost is quite high; Its three, the activated carbon adsorption abnormal flavour, the just transfer of polluting is not eliminated, when activated carbon adsorption is saturated, untimely replacing, adsorbate raises in temperature, wind speed can therefrom dissociate out when strengthening, and produces new pollution; Its four, negative oxygen ion is useful to health, but under the situation of air muddiness, and is anti-easily for the suction of human body respiratory apparatus because the adsorption of charged anion makes the aerial micronic dust that floats aggregate into aerosol, does harm rather than good.Also has a kind of air cleaner that utilizes ozone technology to produce.Though it can play the effect of sterilization, taste removal, do not have what effect under the low concentration, under the high concentration (as surpassing 0.1mg/m ³), though produce effect, harmful, especially to respiratory tract, lung organ injury maximum, even cause cancer.Harsh restrictive condition has restricted its application aspect air cleaning.So though this air cleaner price of two types is lower, general effect is not good, can not use lastingly, cost performance is low, and the operating cost height can not get users' approval all the time, and the occupation rate in market is very low.

Three, summary of the invention:

Technical problem to be solved in the utility model has provided a kind of equipment that family room, hotel guest-room, hospital ward and small office is carried out air cleaning, has such technique effect: dispel dust, kill bacteria, elimination abnormal flavour and leave delicate fragrance, improve indoor air quality.

This utility model is achieved in that a kind of miniature nanometer photocatalytic air purifying machine, comprise casing, grill-shaped air-inlet window, grill-shaped air outlet window, axial flow blower, drainage screen, bactericidal unit, it is characterized in that: described bactericidal unit is the nano-photo catalytic reaction chamber, be placed in middle and upper part in the casing, nano-TiO ₂Wire netting is processed into flat S shape, at the nano-TiO of flat S shape ₂The single-ended H type ultraviolet lamp tube of the different wavelength of parallel installation two Gents in two centres of wire netting; Described S shape nano-TiO ₂Wire netting is provided with corresponding S type detent at casing front side board and rear side cover plate inboard; The ultraviolet lamp tube wavelength is by bottom ultraviolet lamp tube peak wavelength 185nm, by top ultraviolet lamp tube peak wavelength 253.7nm.Described casing left and right sides plate is respectively installed a nano-TiO ₂Absorbent carbon fibrous reticulum, the casing internal upper part is a nano-TiO ₂A nano-TiO is also installed in the flat S shape of wire netting nano-photo catalytic reaction chamber top ₂Absorbent carbon fibrous reticulum, bottom are then laid a special medium air filtration net capable of washing that processes of glass fibre.Described nano-TiO ₂The flat S shape of wire netting nano-photo catalytic reaction chamber bottom ultraviolet lamp tube has drop ozone to produce, and the top ultraviolet lamp tube does not produce ozone.Casing internal upper part nano-TiO ₂The airtight plastic casing of original plant juice that eliminates the unusual smell is set between absorbent carbon fibrous reticulum and the casing top grid air outlet window.

The nano-photo catalytic reaction chamber that is disposed, in the equipment use, nano-TiO ₂And carrier metal net and absorbent carbon fibrous reticulum only play catalytic action, and self does not produce consumption, so the nanometer net can prolonged and repeatedly use, and need not replacing.Because the effect of nano-photo catalytic can make the carrier activated carbon fiber be in the state that continuous absorption abnormal flavour constantly is decomposed again all the time, has guaranteed the in-situ regeneration of activated carbon, prolongs its service life greatly.The working life of special ultraviolet lamp tube surpassed more than 8000 hours, need not replace in several years.The structural design of flat S shape can make the air-flow of process fully contact with the nanometer net on the one hand, improves the speed of catalytic reaction; The aspect can reduce the resistance of air-flow windward side in addition, reduces energy consumption, guarantees higher air output.By the drop ozone that ultraviolet lamp tube produces, having strengthened sterilization and having gone the function of distinguishing the flavor of, and to human body and not influence of surrounding enviroment.Preposition nylon wire and special medium air filtration net had both guaranteed the function of lower resistance, high-effective dust-removing, can recover its function by cleaning again, thereby not have the replacing problem.The original plant juice that eliminates the unusual smell in the shape magazine is the extract that refines from edible plant, can be fast and the various abnormal flavour in the room air carry out a series of neutralization reactions based on oxidoreduction.

By as seen above-mentioned, the beneficial effects of the utility model are: by the dust separating preposition filter screen of high-efficiency low-resistance, superpower sterilization go to distinguish the flavor of and have the nano-photo catalytic reaction chamber of unique cavity body structure and fast the combined effect of the plant extraction liquid of taste removal can dispel dust, kill bacteria, elimination abnormal flavour, remaining delicate fragrance to the full extent, thereby promoted indoor air quality greatly.Simultaneously, can make the operating cost of equipment be tending towards minimum again.This is a kind of brand-new monobasic miniature air clearing machine that is worth promoting the use of, having to family, hotel, hospital and small office wide market prospect.

Four, description of drawings:

Fig. 1 is this utility model box shape sketch map;

Fig. 2 is the inboard sketch map of casing rear side cover plate;

Fig. 3 is the inboard sketch map of casing front side board;

Fig. 4 is an original plant juice box sketch map;

Fig. 5 is this utility model box inner structure sketch map.

Five, the specific embodiment:

According to Fig. 1-2, the casing 1 of entire equipment is made by the high-quality plastics press mold.Box bottom front, right side, left side respectively are furnished with grill-shaped air-inlet window not of uniform size 2,3,4, and side is installed nylon leaching net capable of washing within it.The top of casing is grill-shaped air outlet window 5, and flase floor can be by manually adjusting air-out direction.Casing front upside is the control display screen 6 that comprises on and off switch, and circumscripted power line 7 is introduced from bottom side, casing rear portion and control display screen 6 is joined.Casing rear side cover plate 8 can be opened, and is convenient to the maintaining and the maintenance of part of appliance installation and equipment.And fix by screw 9 and casing, four jiaos of rubber mats 10 that four anticorrosion antiwears are installed of box bottom, casing biside plate top is equipped with handle 11, is used for moving of equipment.

With reference to the accompanying drawings 2～5, it is 200m that low noise, an air quantity are installed in the bottom of casing 1 ³Axial flow blower 12 about/h.The external twin-core insulated conductor 13 of blower fan joins with power control component 14.Lay one high efficiency drainage screen 15 on axial flow blower 12 air outlets, it inserts fixing by rustless steel draw-in groove 16 from casing 1 rear horizontal.Be the nano-photo catalytic reaction chamber at an upper portion thereof.Nano-TiO ₂Wire netting 17 is processed into flat S shape.The elastic circlip 19,20 that the inboard of rear side cover plate 8 and casing front side board 18 all disposes symmetric flat S shape fixes nano-TiO ₂Wire netting 17.At the box house left and right sides plate nano-TiO is installed respectively ₂Absorbent carbon fibrous reticulum 21,22, and by being installed in the rustless steel draw-in groove 23,24 on the side plate, fixed from the insertion of casing posterior vertical.Place a nano-TiO in addition on the top of casing 1 ₂Absorbent carbon fibrous reticulum 25, the same insertion from casing 1 rear horizontal with the corresponding rustless steel draw-in groove 26 that is installed in casing 1 fixed.Nano-TiO in flat S shape ₂The single-ended H type ultraviolet lamp tube 27,28 of the different wavelength of parallel installation two Gents in two centres of wire netting 17, lamp tube socket 29 is fixed on the casing front side board 18, and two fluorescent tube lead-out wires 30 link with power control component 14.At the top of casing 1 nano-TiO ₂Absorbent carbon fibrous reticulum 25, and the airtight plastic casing 31 that a box fills original plant juice is laid in the centre position between the grid air outlet window 5, and this plastic casing is fixed with the rustless steel deck 32 of the inside upper part that is installed in casing rear side cover plate 8.Plastic casing 31 tops are inserted in the interior original plant juice 34 of box with special wick plate 33.

Embodiment:

The axial flow blower of equipment configuration will firmly be installed in box bottom.The running speed of axial flow blower is adjustable, has fast, middling speed, branch at a slow speed, and corresponding button control is arranged on the equipment control panel.Blower fan is when fast turn-around, and noise is not higher than 45dB (A); Blower fan is when microrunning, and noise control is about 25dB (A).The medium air filtration net adopts, and to be that glass fibre is special process, and it has the characteristics of lower resistance (being lower than 60pa), high dust removal efficiency (＞80%), (＞50 times) capable of washing.The nano-TiO of the high-specific surface area of preparing by high-temperature heat treatment technology and metal ion mixing means on the net to 60 purpose stainless steel silks at 40 orders ₂Wire netting has improved the efficiency of light energy utilization greatly, has high photocatalytic activity, and this net is processed to flat S shape and inserts in the casing two nano-TiOs about its two summit and casing ₂The distance of absorbent carbon fibrous reticulum is not more than 2cm, can make the air-flow that enters the nano-photo catalytic reaction chamber form turbulent flow like this, the various materials in the air-flow and the contact surface and the frequency of exposure of nanometer net have been strengthened virtually, meanwhile, flat S shape and structure and set positions can weaken the gas-flow resistance of windward side greatly, reduce the loss of air quantity.Be installed in the nano-TiO of biside plate ₂Absorbent carbon fibrous reticulum, have absorption and the dual-use function that decomposes, according to the enrichment effect principle, elimination ability and light-catalysed degradation reaction speed both can have been improved to organic pollution, can make activated carbon fiber in-situ regeneration continuously under the nano-photo catalytic effect again, absorbability is recovered.At nano-TiO ₂Two ultraviolet lamp tubes that settle at the wire netting center, near the ultraviolet lamp tube of bottom, its peak wavelength 185nm, power is no more than 10w, has drop ozone to produce; Near the ultraviolet lamp tube on top, its peak wavelength 253.7nm about power 18w, does not produce ozone.The input voltage of ultraviolet lamp tube is 220v.The original plant juice that fills in the plastic box body is the nontoxic extract that refines from edible plants fully, does not carry out any chemical industry and synthesizes, and the active function group that it includes can carry out neutralization reaction with various abnormal flavour, makes it to generate nonpoisonous and tasteless product.Plastic casing should be convenient to again change surely in fact at the fixing of deck.Special wick plate has only the original plant juice box to enable Shi Caixu to insert in the liquid, exposes outside the burst size of part may command concentration by cutting out its box.

From the unclean air that three air-inlet windows of air cleaning motor spindle suck by blower fan, at first by nylon wire and the absorption of medium air filtration net, adsorption rate is up to more than 90% for dust wherein and thin dirt.Dust is activated the hydroxyl free radical (OH) and the superoxide ion free radical (O of the superpower oxidability that produces through nano-photo catalytic by largely removed air-flow ₂ ^-) combined effect, antibacterial is killed, sterilizing rate surpasses 99%, abnormal flavour is adsorbed and is degraded into water, CO ₂Etc. inorganic innocuous substance, the degradation rate of organic pollutions such as formaldehyde can reach more than 90%.The plant extraction liquid that the original plant juice box of topmost slowly discharges has been strengthened once again and has been gone the effect of distinguishing the flavor of, the residual fragrance of light plant down itself.By the running of equipment, air constantly circulates, and finally reaches to dispel dust, kill bacteria, elimination abnormal flavour, purify air, distribute the general effect of plant delicate fragrance, people is placed oneself in the midst of in the pure and fresh pleasant atmosphere, more healthily live and work.

Claims

1, a kind of miniature nanometer photocatalytic air purifying machine, comprise casing, grill-shaped air-inlet window, grill-shaped air outlet window, axial flow blower, drainage screen, bactericidal unit, it is characterized in that: described bactericidal unit is the nano-photo catalytic reaction chamber, is placed in middle and upper part in the casing, nano-TiO ₂Wire netting is processed into flat S shape, at the nano-TiO of flat S shape ₂The single-ended H type ultraviolet lamp tube of the different wavelength of parallel installation two Gents in two centres of wire netting; Described S shape nano-TiO ₂Wire netting is provided with corresponding S type detent at casing front side board and rear side cover plate inboard.

2, miniature nanometer photocatalytic air purifying machine according to claim 1 is characterized in that: described ultraviolet lamp tube wavelength, and by bottom ultraviolet lamp tube peak wavelength 185nm, by top ultraviolet lamp tube peak wavelength 253.7nm.

3, miniature nanometer photocatalytic air purifying machine according to claim 1 and 2 is characterized in that: described nano-TiO ₂The flat S shape of wire netting nano-photo catalytic reaction chamber bottom ultraviolet lamp tube has drop ozone to produce, and the top ultraviolet lamp tube does not produce ozone.

4, miniature nanometer photocatalytic air purifying machine according to claim 1 is characterized in that: described casing left and right sides plate is respectively installed a nano-TiO ₂Nano-TiO in the absorbent carbon fibrous reticulum, casing ₂A nano-TiO is also installed in the flat S shape of wire netting nano-photo catalytic reaction chamber top ₂Absorbent carbon fibrous reticulum, the bottom of casing are then laid the drainage screen capable of washing that a glass fibre processes.

5, miniature nanometer photocatalytic air purifying machine according to claim 4 is characterized in that: described casing internal upper part nano-TiO ₂The airtight plastic casing of original plant juice that eliminates the unusual smell is set between absorbent carbon fibrous reticulum and the casing top grid air outlet window, and stock solution is the nontoxic extract that refines from edible plants in the box.