CN202792327U

CN202792327U - Air purifier

Info

Publication number: CN202792327U
Application number: CN201220475093.XU
Authority: CN
Inventors: 周希刚; 徐忠军; 苑立波
Original assignee: SHANDONG JINZEER INDUSTRY AND TRADE Co Ltd
Current assignee: SHANDONG JINZEER INDUSTRY AND TRADE Co Ltd
Priority date: 2012-09-18
Filing date: 2012-09-18
Publication date: 2013-03-13
Anticipated expiration: 2022-09-18

Abstract

The utility model discloses an air purifier which comprises an ion charging device charging particles carried in air and a filter. The ion charging device comprises two transmitting ends, one of which is a needle with a sharp tip while the other one is a needle with a relatively obtuse tip. The filter is provided with a channel array where air flow passes. The air purifier provided by the utility model has the characteristics of high efficiency, low pressure reduction, permanent use, no change, low noise, low impedance, low use cost, strong adaptability, and convenience in installation.

Description

A kind of air cleaning unit

Technical field

The utility model belongs to the air filter unit technical field, especially relates to a kind of air cleaning unit, is mainly used in removing airborne particle.

Background technology

Along with the raising of expanding economy and living standards of the people, air-conditioning is applied to hotel, market, hospital, large supermarket, office building and family room place more and more widely, the microclimates such as the temperature of adjusting room air, humidity, wind speed.But air conditioner ventilating system is when bringing a home from home to people, because the pollution of air conditioner ventilating system has become one of Indoor environment air-polluting main source; The caused health infringement of air conditioner ventilating system and kinds of Diseases relate to three class diseases: communicable disease (such as légionaires' disease), anaphylactia (allergic rhinitis etc.) and harmful building syndrome up to tens kinds; Higher aerosol concentration may be passed through to suck suspended particulate and health risk.

In industry, in many processing such as welding, grinding, smelting and in restricted clearance, use internal combustion engine all can be created in highly polluted aerosol concentration in the enclosure space.

In society and home environment, smoking produces aerosol and pollutes, and sneezing to produce the aerosol of bacterium and virus. all can find throughout the year the allergic pollen of generation of high concentration; Dirt mite allergen particle can be in the middle generation of making the bed, and enters air as aerosol.

Traditional air cleaning unit is by catching particle (filtering type air cleaning unit) in filter, perhaps by collecting granules onboard (electrostatic precipitation formula air cleaning unit from air except degranulation. filter or plate with after can be disposed, clean or change, the shortcoming of filtering type air cleaning unit is: 1, the efficient of filter significantly descends toward leaning in time; 2, often higher across the pressure drop of filter, thereby need high-power fan; 3, often noise is large for high-power fan, consumes considerable electric power; 4, filter needs periodic replacement, and cost is high.And the shortcoming of electrostatic precipitation formula air cleaning unit is: 1, the electrical breakdown between metallic plate and electric leakage can cause loss in efficiency and produce ozone; 2, plate need to be relatively widely spaced apart, in order to reduce airborne electrical breakdown between plate, this makes decrease in efficiency.

Summary of the invention

The purpose of this utility model provide a kind of efficient height, low, the permanent use of pressure drop with the deficiency of improving prior art, need not to change, low noise, Low ESR, use cost are low, strong adaptability, the air cleaning unit being convenient to install.

The purpose of this utility model is to realize like this, a kind of air cleaning unit, comprise the particle that carries in the air is carried out charged ion charging device and filter, be characterized in that described ion charging device comprises two transmitting terminals, wherein main transmitting terminal is a pin with sharp tip, secondary transmitting terminal is a pin with relatively blunt tip, and filter has the channel array that air-flow can pass through.

In order further to realize the purpose of this utility model, can be that the channel array that the air-flow of described filter can pass through is to be provided with the double-walled waveform sheet material that insulating materials is made between high potential plate and electronegative potential plate.

In order further to realize the purpose of this utility model, can be that polylith double-walled waveform sheet material is upper and lower stacks placement.

In order further to realize the purpose of this utility model, can be that the surface of double-walled waveform sheet material is provided with conductive layer.

In order further to realize the purpose of this utility model, can be that distance between main transmitting terminal and the secondary transmitting terminal is between 20 to 100mm.

In order further to realize the purpose of this utility model, the cross section that can be double-walled waveform sheet material is rectangle, circle, square or hexagon.

In order further to realize the purpose of this utility model, can be that described main transmitting terminal is connected in high negative potential, secondary transmitting terminal ground connection.

In order further to realize the purpose of this utility model, can be that inside interval arranges adjacent conductive layer from the edge of double-walled waveform sheet material.

In order further to realize the purpose of this utility model, can be before filter, to be provided with prefilter.

In order further to realize the purpose of this utility model, can be that prefilter is made by reticulated, open formula polymeric foam material.

The utility model is distinguishing feature and good effect compared with the prior art: ion charging device of the present utility model comprises two transmitting terminals, wherein main transmitting terminal is a pin with sharp tip, secondary transmitting terminal is a pin with relatively blunt tip, filter has the channel array that air-flow can pass through, the advantage of the combination of this ion charging device and filter is to realize very high efficient with low pressure drop and low corona current, because the high electric-field intensity between the transmitting terminal, two transmitting terminals enter corona emission, the a large amount of transmitting anions of main transmitting terminal, secondary transmitting terminal is with less amount emission cation, flow with cation during anion stream is basic, cross two transmitting terminal blow air, produce a large amount of anion clouds, the diffusion charging of trend indoor particle, the air ion that produces by ion emitter is blown into indoor, give small amount of charge by the diffusion charging to indoor particle indoor, when the particle of charging is inhaled into air cleaning facility, they are caught by the electrostatic field in the waveform groove of double-walled waveform sheet material, preferably ion emitter is placed in the air cleaning facility to reduce the possibility of local deposits and minimizing electrostatic shock, if use two sharp-pointed transmitting terminals, that will produce more substantial cation.Cation in outlet air is the particle of neutral zone negative electrical charge effectively, thereby being reduced in the efficient of waveform groove IT particle, the optimization of negative ionization and one pole charging are that direction and the speed by radius of curvature, distance and the air-flow of regulating transmitter current potential, transmitting terminal tip realizes; Be suspended in and airbornely entered filter by the electrically charged particle thing, they are caught by electrostatic force and are effectively removed from air at this place, the filter that is fit to can be preferably to have the filter that the array electret of the double-walled waveform sheet material of buried electrode is made, the advantage of the combination of this ion charging device and filter is, can realize very high efficient with low pressure drop and low corona current; The surface that double-walled waveform sheet material is relative is provided with conductive layer, like this when air when the board space, all bear highfield with charged particle and any electroneutral particle of plus or minus electricity, highfield makes its absorption and collects onboard, plate is designed to can be arbitrarily external, is convenient to clean; Conductive layer (8) is inwardly spaced apart from the edge of double-walled waveform sheet material (7), leaks in order to cause high-pressure leakage and ion, thereby the particle of access to plant is charged.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is a kind of structural representation of the present utility model.

Fig. 2 is a kind of structural representation of the gas channel array of the utility model filter.

Fig. 3 is a kind of structural representation of the utility model double-walled waveform sheet material.

Fig. 4 is the another kind of structural representation of the utility model double-walled waveform sheet material.

Fig. 5 is for being a kind of structural representation at the utility model filter position.

The specific embodiment

Embodiment 1, a kind of air cleaning unit, with reference to Fig. 1, by the particle that carries in the air being carried out charged ion charging device 1 and filter 2 forms, ion charging device 1 comprises two transmitting terminals, wherein main transmitting terminal 3 is the pins with sharp tip, its radius of curvature is generally less than 0.1mm, secondary transmitting terminal 4 is the pins with relatively blunt tip, most advanced and sophisticated radius of curvature is generally 0.5mm to 3.0mm, the effect of two transmitting terminals is to carry out airborne particle charged, distance between main transmitting terminal 3 and the secondary transmitting terminal 4 is between 20 to 100mm, and main transmitting terminal 3 is connected in high negative potential, secondary transmitting terminal 4 ground connection, filter 2 has the channel array that air-flow can pass through, and this consists of a kind of structure of the present utility model.

Embodiment 2, a kind of air cleaning unit, with reference to Fig. 1, Fig. 2, Fig. 3, on the basis of embodiment 1, the channel array that the air-flow of filter 2 can pass through is that high potential plate 5 and 6 of electronegative potential plates are provided with the double-walled waveform sheet material 7 that insulating materials is made, it also can be polylith that double-walled waveform sheet material 7 can be one, polylith double-walled waveform sheet material 7 is upper and lower to stack placement, the cross section of double-walled waveform sheet material 7 is rectangle, circle, square or hexagon, it is square double-walled waveform sheet material 7 that present embodiment adopts a cross section, and other and embodiment 1 are identical.

Embodiment 3, a kind of air cleaning unit, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, be on the basis of embodiment 2, the surface of double-walled waveform sheet material 7 is provided with conductive layer 8, and conductive layer 8 is inwardly spaced apart from the edge of double-walled waveform sheet material 7, preferably the both sides with each double-walled waveform sheet material 7 are electrically connected, doing like this is for the electric-field intensity in the waveform groove that makes conductive layer 8 maximization, thereby makes the filter efficiency maximization, and other and embodiment 2 are identical.

Embodiment 4, a kind of air cleaning unit, and reference is with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, on the basis of embodiment 3, be provided with prefilter 9 before filter 2, prefilter 9 is made by reticulated, open formula polymeric foam material, and other and embodiment 3 are identical.

When using the utility model, before entering filter array, particle preferably makes its pre-charge, this can realize by main transmitting terminal 3 and the secondary transmitting terminal 4 of ion charging device 1, because the high electric-field intensity between the transmitting terminal, two transmitting terminals enter corona emission, sharp-pointed main transmitter 3 a large amount of transmitting anions, blunt secondary transmitting terminal 4 is with less amount emission cation, with cation stream, cross the air that two transmitting terminals blow during anion stream is basic, become the anion cloud when leaving.

These ions leave air cleaning facility, the diffusion charging of trend indoor particle, the air ion that transmitting terminal produces is blown into indoor, give small amount of charge by the diffusion charging to indoor particle indoor, when the particle of charging is inhaled into filter 2, they are caught by the electrostatic field in the waveform groove of double-walled waveform sheet material 7, preferably the emission of ions end is placed in the air cleaning facility to reduce the possibility of local deposits and minimizing electrostatic shock, the outer ion transmitter produces the localized contamination deposition near transmitting terminal, also may cause static damage to the user of air cleaning facility, this forms contrast with the situation of using two sharp-pointed transmitters; If use two sharp-pointed transmitting terminals, that will produce more substantial cation, and the cation in outlet air is the particle of neutral zone negative electrical charge effectively, thereby is reduced in the efficient of waveform groove IT particle; The optimization of negative ionization (and one pole charging) is that direction and the speed by radius of curvature, distance and the air-flow of regulating transmitting terminal current potential, transmitting terminal tip realizes.

Be suspended in and empty airbornely then entered filter in the filter 2 by electrically charged particle, they are caught by electrostatic force and are effectively removed from absolutely empty gas at this place, filter 2 preferably has the array electret of the corrugation plastic plate material of buried electrode to be made, and can realize very high efficient with low pressure drop and low corona current like this.

High potential plate 5 and electronegative potential plate 6 are separated by the double-walled waveform sheet material 7 of ambroin, double-wall corrugated sheet material 7 can be by polypropylene, polyethylene, poly-carbonic acid vinegar, P.T.F.E or other suitable insulating materials are made, suggesting material high and the electronegative potential plate is highly-resistant material, but, because double-walled plastics waveform sheet material 7 is good insulating bodies, thereby also can adopt low resistivity materials, the elimination of particle is to realize by apply continuous high potential between high potential plate 5 and electronegative potential plate 6, an initial high potential is applied between two plates, then disconnect high voltage source, should be able to descend according to the conventional granulates capture rate, but situation but is not to know this, as if the initial high electric-field intensity that produces between plate makes double-walled corrugated plastic sheet material 7 consist of a kind of dielectric material at double-walled waveform sheet material 7 interior storage fixed charges, and the electric-field intensity that the fixed charge of this storage produces is enough to make solids precipitation on the waveform cell wall of double-walled waveform sheet material 7.

Ambroin double-walled waveform sheet material 7 of the present utility model is clipped between high and low current potential plate or the electrode, and the electric field in its waveform groove is nonlinear basically; Although conduction or semiconductive double-wall corrugated sheet material 7 on current potential be uniformly, the electric field in its waveform groove is nonlinear, electric field non-linear may be because the different displacements of electric charge in the plastics, and because the cause of the effect of waveform cell wall; The charged particle that passes waveform groove is subject to electric field action, deposits by electrophoresis, and the neutrophil granule that passes waveform groove is subject to the Nonlinear Electric Field effect, and (by so-called dielectrophoresis process) is mobile, and similarly deposition occurs; Therefore, chargedly all deposit with particle neutrality, the deposition efficiency of charged particle is greater than the deposition efficiency of neutrophil granule, but the deposition efficiency of neutrophil granule also is significant; Electrode salable in double-walled waveform sheet material 7 to prevent the immersion of water, like this, this compound collector available water or washing agent periodic cleaning, and make its drying reuse.

Prefilter 9 usually combines with air cleaning unit to use to provide and catches larger particles and fiber and permission filter 2 and catch more short grained mode; Do not have prefilter 9, filter 2 is caught large particle and little particle, thereby causes the quick increase of filter 2 both sides pressure drops, and thereby shortened life-span of filter; When the pressure drop of filtering device 2 surpasses certain numerical value, when usually being about 250 handkerchief, need to removing filter 2 and change or clean; If still keep to use, airflow rate just reduces so, the power of fan motor will increase and air in the energy effciency ratio of any air-conditioning equipment just significantly reduce; By adopting prefilter 9 to catch bulky grain, force value when the prefilter 9 of combination and filter 2 just need to reach end-of-life for more time, in this application, its use has no significant effect for filter efficiency prefilter 9 when being full of by dust becoming.Prefilter 9 another advantages are that it is easy to clean by negative pressure or washing.

Claims

1. air cleaning unit, comprise the particle that carries in the air is carried out charged ion charging device (1) and filter (2), it is characterized in that described ion charging device (1) comprises two transmitting terminals, wherein main transmitting terminal (3) is a pin with sharp tip, secondary transmitting terminal (4) is a pin with relatively blunt tip, and filter (2) has the channel array that air-flow can pass through.

2. described a kind of air cleaning unit according to claim 1 is characterized in that the channel array that the air-flow of described filter (2) can pass through is to be provided with the double-walled waveform sheet material (7) that insulating materials is made between high potential plate (5) and electronegative potential plate (6).

3. a kind of air cleaning unit according to claim 2 is characterized in that polylith double-walled waveform sheet material (7) is upper and lower to stack placement.

4. according to claim 2 or 3 described a kind of air cleaning units, it is characterized in that the surface of double-walled waveform sheet material (7) is provided with conductive layer (8).

5. a kind of air cleaning unit according to claim 1 is characterized in that distance between main transmitting terminal (3) and the secondary transmitting terminal (4) is between 20 to 100mm.

6. a kind of air cleaning unit according to claim 2, the cross section that it is characterized in that double-walled waveform sheet material (7) is rectangle, circle, square or hexagon.

7. a kind of air cleaning unit according to claim 1 is characterized in that described main transmitting terminal (3) is connected in high negative potential, secondary transmitting terminal (4) ground connection.

8. a kind of air cleaning unit according to claim 4 is characterized in that inside interval arranges adjacent conductive layer (8) from the edge of double-walled waveform sheet material (7).

9. a kind of air cleaning unit according to claim 1 is characterized in that at the front prefilter (9) that is provided with of filter (2).

10. a kind of air cleaning unit according to claim 9 is characterized in that prefilter (9) made by reticulated, open formula polymeric foam material.