CN204816887U - Air purification high pressure ion electret purifier and air purification device - Google Patents
Air purification high pressure ion electret purifier and air purification device Download PDFInfo
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- CN204816887U CN204816887U CN201520060862.3U CN201520060862U CN204816887U CN 204816887 U CN204816887 U CN 204816887U CN 201520060862 U CN201520060862 U CN 201520060862U CN 204816887 U CN204816887 U CN 204816887U
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Abstract
The utility model discloses an air purification high pressure ion electret purifier and air purification device, air purification high pressure ion electret purifier and air purification device is high -efficient ionization a drive + electret filtration technology device, when electrode takes place through at least one corona for the air of air intake, gaseous granule in the air is by ionization, granule after the ionization receives and adsorbing on the collector electrode with the attraction of corona electrode looks counter potential collector electrode, after the collector electrode is crossed to the granule of some charged ion ization, the gaseous granule of ion flow of this part electrified collector electrode of overflowing gets into electret filtration membrane and charges for the electret. Make in by with the electric quantity after arrange in disorder electret dipole recover energy in the electret and the marshalling demonstrates more powerfully effectual the adsorption efficiency than ordinary passive electret to the dust granule. Consequently the utility model discloses an ion flow electrode structure who optimizes stronger provides the charge pump energy more remarkable than ordinary electrode, has improved the ability of disinfecting, and dispel the toxic gas and to the adsorption of granules such as dust, provide a low windage for the air purification field, energy -conservation, the height disinfects, high absorption efficiency's air filter.
Description
Technical field
The utility model relates to air cleaning unit, particularly relates to a kind of purification of air high-pressure ion electret purifier and air cleaning unit.
Background technology
Prior art is (as United States Patent (USP) No. 4689056 and No. 5055118) as shown in Figure 1, describes electrostatic air cleaner equipment and uses the ion of corona discharge generation and air accelerate grit charging electric charge and collect.The principle of corona discharge on ion limit, pole is there is in equipment utilization at corona.This corona discharge is caused by the high field produced at the high pressure occurred between pole and collector.Ion and surrounding air molecule collide mutually, and the kinetic energy of ion is transmitted to air, the motion causing air consistent thus the air mass motion formed on required direction.
Above-mentioned ionic air purifier can make air movement, sterilization, collects dust and eliminates pernicious gas, but dust collecting effect, the effect dispelling TVOC is subject to the restriction of voltage and ozone, because electric-field intensity is too high, easily cause sparking, produce a large amount of ozone simultaneously; The too low then dust catching efficiency of electric-field intensity is poor.These factors restrict the application of single static purification in high request environment.
Consider that existing single static purification is subject to the restriction of voltage and ozone, create after a while and a kind ofly compound be called the cleaning equipment that electric bag is unified, see Fig. 2.This comprehensive purifier overcomes the low shortcoming of general electrostatic filter purification efficiency, but brings new problem, if filter mesh is too large, clean-up effect is poor; If filter mesh is too little, windage is too large, and then makes observable index degradation.
Utility model content
For the deficiencies in the prior art, the technical problem that the utility model solves is to provide the purifier that a kind of purification of air high-pressure ion electric field adds electrostatic electret filter material, to solve the problem that the limited and Energy Efficiency Ratio of above-mentioned ionic decontamination devices clean-up effect declines to a great extent.
For achieving the above object, the technical solution of the utility model is:
A kind of purification of air high-pressure ion electret purifier, comprises at least one clean unit and ion electrode group, and described ion electrode group comprises and sets gradually with lower component according to the direction of air flowing:
At least one corona electrode, described corona electrode with electromotive force that collector is with and the rightabout electromotive force of corona electrode;
At least two collectors, band and corona electrode opposite potential in described collector;
At least one electret be made up of electret filter film;
When the air of air inlet is by least one corona electrode, gas particles in air is ionized, particle after ionization is subject to being adsorbed on collector with the attraction of corona electrode opposite potential collector, after the particle of partial ionization crosses collector, the ion current gas particles of this part charged effusion collector enters electret filter film to electret charged, after making to be neutralized electricity, the dipole of malalignment regains energy and marshalling, thus presents effective adsorption capacity more powerful in ordinary passive electret to dust granule.
Further, the described thread corona electrode often organized ion electrode group and comprise a series of multiple electrical connection, each corona electrode is parallel to each other, and the ionization limit of all corona electrodes is distributed in same plane, and the distance between neighboring corona electrodes is D1;
Be two or more passive electrode with the interactional electrode of corona electrode, be parallel to each other between each passive electrode, each passive electrode comprises plate part and each passive electrode is circular arc towards corona electrode direction and has the ionization limit of independently arc separately, described passive electrode series is respectively in the left and right sides in corona electrode downstream, it is parallel that the plane that series of collection electrode each self-ionization limit is formed and corona electrode silk series ionize the plane that limit formed, and the distance between neighboring collecting electrode is D2; Described D1 distance >=D2 or≤2*D2-1;
It is mutually vertical that the plate part of described passive electrode and thread corona electrode series ionizes the plane that limit formed, and by the serial determined plane of corona electrode and passive electrode, serial to ionize the determined plan range in limit be that D3, D3 are not more than 3*D2; Described passive electrode has orthogonal length and height dimension, to adjust horizontal air-flow direction;
The plane that described electret is formed and passive electrode series end face formed plane be parallel to each other, certain space length of being separated by; The ion current crossing described passive electrode becomes the charging electric pump of electret dipole.
Further, there is pole and made by the wire rod conducted electricity in described corona, preferred tungsten filament, silver-plated silk, gold-plated silk, molybdenum filament, filamentary silver or spun gold, or wherein two or more weave or are mutually entwined, and diameter range is
Further, described passive electrode group is made up of at least two passive electrodes, each passive electrode comprises flake main body and to be provided with columned cylinder towards corona electrode direction in the leading edge of flake main body protruding, and the top view of described cylinder projection is shown as a circular pattern.
Preferably, the cylindrical cross-sectional diameter of described passive electrode is 3-8mm, and the thickness of the flake main body be connected with cylinder is 0.5-1mm, preferably, described passive electrode is conductive material preparation, as aluminium, copper, stainless steel, graphite, conductive plastics or their composite.
Further, described collector is made up of at least one collector assembly, and different collector assembly has different resistance coefficients; Preferably, the collector assembly of described collector is arranged from high to low according to resistance coefficient, and consistent with the direction that air flows or reverse; Preferably, all described collector equipotential link; Preferably, on described collector, distance corona generation side, a pole collector assembly is farthest provided with the contact be connected with power output end.
Further, connected by slot or jack between the assembly of described adjacent collector pole; Preferably, be not in contact with each other mutually between the assembly of described adjacent collector pole.
Further, described corona electrode connects positive source or ground connection, described passive electrode ground connection or connection power cathode; Preferably, described corona electrode and/or passive electrode are that metal material that is non-combustible and conduction is made.
Further, described electret is carry out polarizing the high molecular polymer filtering material with Electrostatic Absorption performance after processing, its polarization intensity is less than the saturation intensity produced when the overall all dipoles of electret filter material all arrange consistent, utilize the ion current crossing passive electrode to described electret charged, thus play the effect of an electret electric pump.The electret that the utility model adopts is a kind of novel high molecular polymer filtering material with Electrostatic Absorption performance, before coming into operation, these electret filter materials employing corona method etc. have carried out polarizing process, the saturation intensity produced when the polarization intensity of the electret processed so all arranges consistent much smaller than the overall all dipoles of electret filter material.Approximately can 10 be obtained in these electret filter materials
-2 μc/m
2polarization intensity.These electret filter materials be the relaxation time longer be in the dielectric that metastable state polarized.When removing extra electric field, its polarization intensity can reduce gradually, and its surface charge just exponentially or close to exponential law decays gradually.
The utility model carries out energy supplement for this characteristic of electret to electret just, utilizes the ion current crossing passive electrode to charge to electret filter material, thus plays the effect of an electret filter material electric pump.
According to the computing formula of electrostatic field electromotive force, φ A=Ep/q.We know the difference of certain some relative reference point 0 electromotive force in the electric field, are the electromotive force of this point." in electric field, the electromotive force of certain point is numerically equal to the energy of position that unit positive charge has at that ".
Formula: ε=q φ (wherein ε is energy of position, and q is the quantity of electric charge, and φ is electromotive force), i.e. φ=ε/q
Potential energy in electrostatic field.The difference of one point charge energy of position of certain 2 point (as A point and B point) in electrostatic field equals it when moving to another B point from A point, electrostatic force institute work.Therefore WAB=qEd (E is the electric-field intensity of this point, and d is the distance along electric field line),
Energy of position can be done work by electric field force and try to achieve, because WAB=qUAB=q (Ф A-Ф B)=q Ф A-q Ф B=EA (just)-Eb (end)=-Δ E,
(Ф is electromotive force, and q is the quantity of electric charge, and U is electrical potential difference, and EA (just), EB (end) are the energy of position of two points).
According to above to the elaboration of electrostatic field electromotive force formula, we are clear that, physical distance between passive electrode and electret filter material is equivalent to A point (passive electrode) in electrostatic field and B point (electret filter material), when A point energy of position φ locks, distance d is larger, and quantity of electric charge q is less.
Further, described purification of air high-pressure ion electret purifier is directly proportional to the intensity of the polarization intensity of electret to ion electric field, and when ion-conductance field intensity one timing, the physical distance that the polarized electric field intensity suffered by these electret filter materials and electret filter material plane and passive electrode sheet ionize limit plane is inversely proportional to.
Further, the utility model is according to the polarity effect of different electret, and electret mesh is different, and different ion-conductance field intensities, ionized the distance of limit plane by adjustment electret filter material and passive electrode sheet, obtain best sterilization, taste removal and dust adsorption effect.
Preferably, described electret is Polymer electrets material or the preparation of high-insulativity fluoropolymer material, as polytetrafluoroethylene (PTFE) (PTFE), FEP fluorinated ethylene propylene copolymer (FEP), Kynoar (PVDF) etc. or their composite.
The utility model additionally provides a kind of air cleaning unit, described air cleaning unit comprises above-mentioned purification of air high-pressure ion electret purification electrode assembly, and for supplying above-mentioned corona generating electrodes and collector current potential and producing the power supply of the electric field causing corona discharge between.
The utility model has the advantages that: due to the neutralization of charged particles in atmospheric dust or the shielding action due to dust calmness generation electrostatic force, the polarization phenomena of electret can be caused to weaken or disappear, it is made to lose suction-operated to dust granules, forming strong electret to make electret regain energy, needing the polarization arrangement making it neat to present effective adsorption capacity more powerful in ordinary passive electret to dust granule.The utility model makes when the air of air inlet, by least one ionization, pole corona electrode occurs, gas particles in air is ionized, particle after ionization is subject to being adsorbed on collector with the attraction of corona electrode opposite potential collector, after the particle of partial ionization crosses collector, the ion current gas particles of this part charged effusion collector enters electret filter film to electret charged, after making to be neutralized electricity, the dipole of malalignment regains energy and marshalling, thus effective adsorption capacity more powerful in ordinary passive electret is presented to dust granule, the utility model creationary using the gas particles of electrode ionization air as giving a kind of electric pump of electret charged.The utility model is by the electric pump effect of ion electrode structure, further increase the suction-operated to particles such as dusts, and the function again killed to germ, compensate for ion electrode dust collecting effect not as the defect of HEPA screen pack, make use of again electret because of the effect of electrostatic field simultaneously and filter eyelet without the need to too little thus make electret filter material windage only have about 1/3rd of equal filter effect HEPA high efficiency particulate air.
The utility model provides one to air purification field, low windage, energy-conservation, the air filter of high adsorption efficiency, sterilization.
Accompanying drawing explanation
Fig. 1 is the electrostatic depuration electrode assembly schematic diagram of prior art;
Fig. 2 is the compound electric bag unification purifier schematic diagram of prior art;
Fig. 3 is purification of air high-pressure ion electret operation principle schematic diagram;
Fig. 4 is the schematic diagram of the electrode of corona generating electrodes and collector composition;
Fig. 5 is a kind of schematic diagram of air purifier.
In figure: corona generating electrodes 2, collector 3, electret 4, ionization limit 302, plate part 301, high voltage source 100, a set of electrode 200 (being made up of a series of power electrode 2 and a series of collector 3) producing high-pressure ion electric field, electret filter 400 (being made up of electret 4), without photocatalyst 500, total-heat exchanger 600, and low-noise fan 700, primary efficient filter screen 800, corona ion plasma 203, electron collision produces ionization 204, one pole drift region 205, photo-ionisation 206, the ion current (electric pump source) 207 of effusion, ionization border 208, 4-1 before electret polarization, 4-2 after electret polarization, polarized electric field 4-3.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model provides a kind of purification of air high-pressure ion electret purifier, for the preparation of air purifier, as shown in Figure 3 and Figure 4, described purification of air high-pressure ion electret purifier comprises at least one clean unit and ion electrode group, and described ion electrode group comprises and sets gradually with lower component according to the direction of air flowing:
At least one corona generating electrodes 2, at least one corona generating electrodes described is with electromotive force rightabout with electromotive force that described collector is with;
At least two collectors 3, described collector with corona electrode opposite potential;
The electret 4 that at least one is made up of electret filter film;
When there is pole corona electrode 2 by least one ionization in the air of air inlet, gas particles in air is ionized, particle after ionization is subject to being adsorbed on collector 3 with the attraction of corona electrode opposite potential collector 3, after the particle of partial ionization crosses collector 3, the ion current gas particles of this part charged effusion collector 3 enters electret 4 filter membrane and charges to electret 4, after making to be neutralized electricity, the dipole of malalignment regains energy and marshalling, thus effective adsorption capacity more powerful in ordinary passive electret 4 is presented to dust granule.Because it has stronger absorption affinity than passive electret, so lower to the requirement of electret, decrease power source special and control circuit than common active electret simultaneously, the ion utilizing corona generating electrodes ionized air to produce comes, for electret pump electricity, to make whole system be provided with beyond thought effect.
Except selecting traditional various electrode styles, in actual applications, corona generating electrodes 2 can adopt wire electrode, specifically, the described thread corona electrode often organized ion electrode and comprise a series of multiple electrical connection, each corona electrode is parallel to each other, and the ionization limit of all corona electrodes is distributed in same plane, and the distance between neighboring corona electrodes is D1.
Simultaneously, be two or more passive electrodes 3 with the interactional electrode of corona electrode, be parallel to each other between each passive electrode 3, except selecting traditional passive electrode style, also following structure can be adopted: each passive electrode 3 comprises plate part 301 (also referred to as flake main body) and each passive electrode is circular arc towards corona electrode 2 direction and has the ionization limit 302 of independently arc separately, described passive electrode 3 series is respectively in the left and right sides in corona electrode downstream, it is parallel that the plane that series of collection electrode 3 each self-ionization limit 302 is formed and corona electrode silk series ionize the plane that limit formed, distance between neighboring collecting electrode 3 is D2, described D1 distance >=D2 or≤2*D2-1, it is mutually vertical that the plate part 301 (flake main body) of described passive electrode 3 and thread corona electrode 2 series ionize the plane that limit formed, ionizing the determined plan range in limit 302 by the serial determined plane of corona electrode 2 and passive electrode 3 series is that D3, D3 are not more than 3*D2, described passive electrode 3 has orthogonal length and height dimension, to adjust horizontal air-flow direction, the end face of the other end of the plane that described electret 4 is formed and the serial plate part 301 of passive electrode 3 formed plane be parallel to each other, certain space length of being separated by, the ion current crossing described passive electrode 3 becomes the charging electric pump of electret 4 dipole.
In actual applications, there is pole 2 and made by the fine rule conducted electricity in described corona, preferred tungsten filament, silver-plated silk, gold-plated silk, molybdenum filament, filamentary silver or spun gold, or wherein two or more weave or are mutually entwined, and diameter range is
between (containing) arbitrary numerical value.Such as 0.03mm, 0.05mm and 0.1mm etc.Burst size according to ozone is amassed by discharging surface, and with discharge current=i
2relation, preparing corona, that the burst size of the thinner ozone of diameter of the conductive filament of pole 2 occurs is fewer, considers mechanical strength and electrical effect, can select
the corona generating electrodes of illustrating in Fig. 4 totally 2, passive electrode 3 has three, is separated from each other between adjacent collector 3, and each passive electrode 3 is parallel to each other, and the distance between the plate part 301 of passive electrode 3 is D2.It is D3 that the arc that the one group of corona electrode silk 2 shown in Fig. 4 combines plane and the passive electrode 3 produced ionizes the plan range that limit 302 series produces, the distance of D3 is according to electric-field intensity, sparking, ozone generation, insulating materials creep age distance, the comprehensive factor formulations mutually restricted such as reference UL867 standard.A purification of air high-pressure ion electret purifier, should provide air filtration usefulness high as far as possible, and should not produce unnecessary ozone, the regulation that UL867 standard is 37, ozone value should not be greater than 50ppb/m simultaneously
3.Follow above-mentioned related standards, show that D3 distance is between 3*D2-4*D2 according to the experiment of the ion-conductance field ionization source of employing 12,000 volt; This passive electrode has orthogonal length and height dimension, with the direction adjusted and the air that leads flows, considers the effect of ion current eddy current and the density of ion electric field, adopts 2*D2 in D1D2 and D12*D2, Fig. 4.
According to actual needs with the needs promoting adsorption particle thing, in certain embodiments, described passive electrode group is made up of (being 3 in Fig. 4) at least two passive electrodes 3, the leading edge that each passive electrode 3 comprises flake main body (i.e. plate part 301) and flake main body is cylindric towards corona electrode direction, be a circular cylinder projection (its cylinder just forms the ionization limit 302 of arc-shaped), top view is shown as the pattern of a near circular; In actual applications, the cylindrical cross-sectional diameter of described passive electrode can be selected (to contain) arbitrary numerical value between 3-8mm, object is the threshold that raising corona discharge punctures, make this ion electric pump can the work of safety under higher electric-field intensity, simultaneously also for the energy that the supply of next stage ion electric pump is more sufficient provides safeguard.The thickness of the flake main body be connected with cylinder may be selected to be between 0.5-1mm and (contains) arbitrary numerical value, in material selection, described passive electrode 3 is conductive material preparation, as aluminium, copper, stainless steel, graphite, conductive plastics or their composite.
In other embodiment, described collector 3 is made up of at least one collector assembly, and different collector assembly has different resistance coefficients; Wherein, the scheme of optimization is, the collector assembly of described collector is arranged from high to low according to resistance coefficient, and consistent with the direction that air flows or reverse.The object of this arrangement is relevant according to the interception of distribution to charged ion dust granule of space electric field, we know that the intensity of ion current is consistent with the intensity of space electric field, the change of resistivity makes ion current i also change, the pressure drop that the assembly that resistivity is high obtains at space electric field is just high, interdiction capability is just strong, otherwise just weak.
As required, all described collector equipotential link can be selected; Preferably, on described collector, distance corona generation side, a pole collector assembly is farthest provided with the contact be connected with power output end.In equipotential link, because do not need the problem considering voltage difference, it is the most rational installation method that a collector assembly farthest connects power output end,
For the ease of installing, dismantling and maintenance, can select between the assembly of described adjacent collector pole to be connected by slot or jack.
In order to improve adsorption efficiency, be not in contact with each other mutually between the assembly of described adjacent collector pole.
In actual applications, described corona electrode connects positive source or ground connection, described passive electrode ground connection or connection power cathode; Preferably, described corona electrode and/or passive electrode are that metal material that is non-combustible and conduction is made.
In fact, described high-pressure ion purged electrode structure is that electret filter material provides a kind of electric pump.It is directly proportional to the intensity of the polarization intensity of electret to ion electric field; Preferably, the polarized electric field intensity suffered by described electret filter material and the physical distance of electret filter material plane and passive electrode plate plane are inversely proportional to; Preferably, described electret is Polymer electrets material or the preparation of high-insulativity fluoropolymer material, as polytetrafluoroethylene (PTFE) (PTFE), FEP fluorinated ethylene propylene copolymer (FEP), Kynoar (PVDF) etc. or their composite.
From above-mentioned utility model content part, we know, after being determined by preparation method when initializing of the polarized state of electret filter material, in the dynamic duty of filtering, its polarization intensity is directly proportional to ion-conductance field intensity, that is the physical distance D0 between described electret electrostatic field voltage to described adjacent collection pole piece is directly proportional in certain scope, is inversely proportional to described electret filter film and collector physical distance.When electret filter material in purification work due to atmospheric dust in charged particles neutralization or due to dust calmness produce the shielding action of electrostatic force cause polarization phenomena to weaken or disappear time, the ion current that the part that the high-pressure ion electrode assemblie that this programme is recommended is formed crosses passive electrode will charge to electret filter material, be equal to the polarization process of extra electric field to electret filter material, electret filter material polarity effect being in be attenuated forms the dipole subgroup of strong proper alignment because regaining energy, its neat polarization arrangement presents effective adsorption capacity more powerful in ordinary passive electret to dust granule.As shown in Figure 3, gas particles in air and dust granule be (ionization border is 208) after the corona ion plasma 203 that pole 2 generation occurs corona, electron collision produces ionization and generates charged particle 204, the scope of collector 3 is entered after photo-ionisation 206 and one pole drift region 205, major part dust particle is by adsorption filtration, the charged gas particles of part and dust granule are through collector 3, these charged particles are exactly that ion current (electric pump source) 207 pairs of electrets 4 of overflowing charge, under the effect of polarized electric field 4-3, 4-2 after electret becomes the electret polarization of dipole marshalling from the dipole that the arrangement of electret polarization front 4-1 display is mixed and disorderly, thus substantially increase the adsorption effect of electret, by the dust granule capture filter of effusion, further raising air purification effect.
Therefore the scheme that the utility model is recommended passes through the electric pump effect of high-pressure ion electrode assemblie, further increase the suction-operated to particles such as dusts, and the function again killed to germ, compensate for ion electrode dust collecting effect not as the defect of HEPA screen pack, make use of again electret because of the effect of electrostatic field simultaneously and filter eyelet without the need to too little thus make electret filter material windage only have about 1/3rd of equal filter effect HEPA high efficiency particulate air.
The utility model additionally provides a kind of air cleaning unit, described air cleaning unit comprises above-mentioned purification of air high-pressure ion electret purification electrode assembly high-pressure ion electret purification electrode assembly, and for supplying above-mentioned corona generating electrodes and collector current potential and producing the power supply of the electric field causing corona discharge between.
As shown in Figure 5, we claim this air cleaning unit to be purification of air high-pressure ion electret VMC.The new blower fan of high-pressure ion electret of present case comprises: primary efficient filter screen 800 (optional), high voltage source 100, a set of produce high-pressure ion electric field electrode 200 (being made up of a series of power electrode 2 and a series of collector 3), electret filter 400 (being made up of electret 4), without photocatalyst 500 (optional), total-heat exchanger 600 (optional) and low-noise fan 700 (optional).The wherein said electrode assemblie producing high-pressure ion electric field is made up of a series of power electrode 2 and a series of collector 3, as shown in Figure 4, described corona electrode 2 and be arranged on the collector 3 in described corona electrode 2 times air ports, this group electrode by being electrically connected to high voltage source 100, and forms the high pressure of more than ten thousand volts between described corona electrode 2 and described collector 3.
The arc ionization limit 302, garden that one end of pole 2 is a diameter Ф 5mm is there is in described collector 3 towards corona, object is the threshold that raising corona discharge punctures, make this ion electric pump can the work of safety under higher electric-field intensity, simultaneously also for the energy that the supply of next stage ion electric pump is more sufficient provides safeguard.
Most dust and germ should be killed and adsorb in this treatment facilities, but according to different environment and wind speed, still some ion charged particles, a part of dust, cross collector and escape into next filtering bodies, but can by electret 4 adsorption filtration.
Electret filter material a kind ofly to be polarized by corona method or other means in advance, but we can be clearly seen that from above-mentioned utility model content, and electret filter material is the dielectric that a kind of metastable state has polarized.When removing extra electric field, its polarization intensity can reduce gradually, and its surface charge just exponentially or close to exponential law decays gradually.So the scheme that the utility model is recommended carries out charging process by the electret 4 of the ion current crossing passive electrode in Fig. 3 to decay just, make the dipole proper alignment again in electret filter material, thus make up the decay of polarization intensity.
According to the Gauss theorem of electrostatic field, the field intensity of electret and surface potential are
(1)【-E+Esεr＝...】
Loop theorem according to electrostatic field:
Ed+E
sL＝0(2)
Solve:
Above formula E represents the field intensity in air gap. due to two electric pole short circuits, the potential difference between electret two surface should equal the potential difference at air gap two ends between electret surface and electrode, and be the surface potential of electret, its absolute value can be expressed as
In actual measurement, there is L < < d, then with the surface potential represented under this condition, have
Show according to field intensity prediction equation, electret surface potential is only decided by its Equivalent Surface surface density of charge and self permeability-thickness.
We pass through special surface potential meter in an experiment to the surface potential measurement of electret, coordinate the feedback circuit of sensor, we draw from experiment, when corona electrode is at 12000 volts, the D2 of passive electrode is at 8mm, D3=20mm, the plate part broadband of passive electrode is when 38mm, and the plan range of electret filter material plane and passive electrode corona electrode one end dorsad is all enough to dynamically to supplement in the distance of 30mm to 50mm the polarizability that electret filter material decays.The release of this programme provides one to VMC field, and low windage is energy-conservation, the new wind air cleaning system of high adsorption efficiency, sterilization.
The utility model has the advantages that: due to the neutralization of charged particles in atmospheric dust or the shielding action due to dust calmness generation electrostatic force, the polarization phenomena of electret can be caused to weaken or disappear, it is made to lose suction-operated to dust granules, forming strong electret to make electret regain energy, needing the polarization arrangement making it neat to present effective adsorption capacity more powerful in ordinary passive electret to dust granule.The utility model makes when the air of air inlet, by least one ionization, pole corona electrode occurs, gas particles in air is ionized, particle after ionization is subject to being adsorbed on collector with the attraction of corona electrode opposite potential collector, after the particle of partial ionization crosses collector, the ion current gas particles of this part charged effusion collector enters electret filter film to electret charged, after making to be neutralized electricity, the dipole of malalignment regains energy and marshalling, thus effective adsorption capacity more powerful in ordinary passive electret is presented to dust granule, the utility model creationary using the gas particles of electrode ionization air as giving a kind of electric pump of electret charged, and be a kind of electric pump adjusted by high pressure and physical distance.The utility model is by the electric pump effect of ion electrode structure, further increase the suction-operated to particles such as dusts, and the function again killed to germ, compensate for ion electrode dust collecting effect not as the defect of HEPA screen pack, make use of again electret because of the effect of electrostatic field simultaneously and filter eyelet without the need to too little thus make electret filter material windage only have about 1/3rd of equal filter effect HEPA high efficiency particulate air.
The utility model provides one to air purification field, low windage, energy-conservation, the air filter of high adsorption efficiency, sterilization.
Above-described is only preferred embodiment of the present utility model; it should be pointed out that for the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (17)
1. a purification of air high-pressure ion electret purifier, is characterized in that, comprises at least one clean unit and ion electrode group, and described ion electrode group comprises and sets gradually with lower component according to the direction of air flowing:
At least one corona electrode, described corona electrode with electromotive force that collector is with and the rightabout electromotive force of corona electrode;
At least two collectors, band and corona electrode opposite potential in described collector;
At least one electret be made up of electret filter film;
When the air of air inlet is by least one corona electrode, gas particles in air is ionized, particle after ionization is subject to being adsorbed on collector with the attraction of corona electrode opposite potential collector, after the particle of partial ionization crosses collector, the ion current gas particles of this part charged effusion collector enters electret filter film to electret charged, after making to be neutralized electricity, the dipole of malalignment regains energy and marshalling, thus presents effective adsorption capacity more powerful in ordinary passive electret to dust granule.
2. purification of air high-pressure ion electret purifier according to claim 1, it is characterized in that, the described thread corona electrode often organized ion electrode group and comprise a series of multiple electrical connection, each corona electrode is parallel to each other, the ionization limit of all corona electrodes is distributed in same plane, and the distance between neighboring corona electrodes is D1;
Be two or more passive electrode with the interactional electrode of corona electrode, be parallel to each other between each passive electrode, each passive electrode comprises plate part and each passive electrode is circular arc towards corona electrode direction and has the ionization limit of independently arc separately, described passive electrode series is respectively in the left and right sides in air inlet and corona electrode downstream, it is parallel that the plane that series of collection electrode each self-ionization limit is formed and corona electrode silk series ionize the plane that limit formed, and the distance between neighboring collecting electrode is D2; Described D1 distance >=D2 or≤2*D2-1;
It is mutually vertical that the plate part of described passive electrode and thread corona electrode series ionizes the plane that limit formed, and by the serial determined plane of corona electrode and passive electrode, serial to ionize the determined plan range in limit be that D3, D3 are not more than 3*D2; Described passive electrode has orthogonal length and height dimension, to adjust horizontal air-flow direction;
The plane that described electret is formed and passive electrode series end face formed plane be parallel to each other, certain space length of being separated by; The ion current crossing described passive electrode becomes the charging electric pump of electret dipole.
3. purification of air high-pressure ion electret purifier according to claim 2, it is characterized in that, there is pole and made by the wire rod conducted electricity in described corona, preferred tungsten filament, silver-plated silk, gold-plated silk, molybdenum filament, filamentary silver or spun gold, or wherein two or more weave or are mutually entwined, diameter range is
4. purification of air high-pressure ion electret purifier according to claim 1, it is characterized in that, described passive electrode group is made up of at least two passive electrodes, each passive electrode comprises flake main body and to be provided with columned cylinder towards corona electrode direction in the leading edge of flake main body protruding, and the top view of described cylinder projection is shown as a circular pattern.
5. purification of air high-pressure ion electret purifier according to claim 4, it is characterized in that, the cylindrical cross-sectional diameter of described passive electrode is 3-8mm, and the thickness of the flake main body be connected with cylinder is 0.5-1mm.
6. purification of air high-pressure ion electret purifier according to claim 5, is characterized in that described passive electrode is conductive material preparation.
7. purification of air high-pressure ion electret purifier according to claim 4, it is characterized in that, described collector is made up of at least one collector assembly, and different collector assembly has different resistance coefficients.
8. purification of air high-pressure ion electret purifier according to claim 7, it is characterized in that, the collector assembly of described collector is arranged from high to low according to resistance coefficient, and consistent with the direction that air flows or reverse.
9. purification of air high-pressure ion electret purifier according to claim 8, is characterized in that, all described collector equipotential link.
10. purification of air high-pressure ion electret purifier according to claim 9, is characterized in that, on described collector, distance corona generation side, a pole collector assembly is farthest provided with the contact be connected with power output end.
11. purification of air high-pressure ion electret purifiers according to claim 4, is characterized in that, are connected between the assembly of described adjacent collector pole by slot or jack.
12., according to purification of air high-pressure ion electret purifier according to claim 1, is characterized in that, described corona electrode connects positive source or ground connection, described passive electrode ground connection or connection power cathode; Preferably, described corona electrode and/or passive electrode are that metal material that is non-combustible and conduction is made.
13. according to the arbitrary described purification of air high-pressure ion electret purifier of claim 1 to 12, it is characterized in that, described electret is carry out polarizing the high molecular polymer filtering material with Electrostatic Absorption performance after processing, its polarization intensity is less than the saturation intensity produced when the overall all dipoles of electret filter material all arrange consistent, utilize the ion current crossing passive electrode to described electret charged, thus play the effect of an electret electric pump.
14. according to the arbitrary described purification of air high-pressure ion electret purifier of claim 1 to 12, and it is characterized in that, described purification of air high-pressure ion electret purifier is directly proportional to the intensity of the polarization intensity of electret to ion electric field.
15. purification of air high-pressure ion electret purifiers according to claim 14, it is characterized in that, the polarized electric field intensity suffered by described electret filter material and the physical distance of electret filter material plane and passive electrode plate plane are inversely proportional to.
16. purification of air high-pressure ion electret purifiers according to claim 15, is characterized in that, described electret is Polymer electrets material or the preparation of high-insulativity fluoropolymer material.
17. 1 kinds of air cleaning units, it is characterized in that, described air cleaning unit comprises the arbitrary described purification of air high-pressure ion electret purifier of claim 1 to 16, and for supplying above-mentioned corona generating electrodes and collector current potential and producing the power supply of the electric field causing corona discharge between.
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| CN201520060862.3U CN204816887U (en) | 2015-01-28 | 2015-01-28 | Air purification high pressure ion electret purifier and air purification device |
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| CN201520060862.3U CN204816887U (en) | 2015-01-28 | 2015-01-28 | Air purification high pressure ion electret purifier and air purification device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105983486A (en) * | 2015-01-28 | 2016-10-05 | 上海思奈环保科技有限公司 | High-voltage ion and electret air purification apparatus and air purifying apparatus |
| CN109675867A (en) * | 2019-01-07 | 2019-04-26 | 哈尔滨工业大学 | A kind of solar cell surface lunar dust of high voltage polarization is from main removing trolley |
| CN110694799A (en) * | 2019-09-23 | 2020-01-17 | 宁波方太厨具有限公司 | High-voltage electrostatic purification device and range hood applying same |
| CN110694800A (en) * | 2019-09-23 | 2020-01-17 | 宁波方太厨具有限公司 | High-voltage electrostatic purification device and range hood applying same |
| CN112295738A (en) * | 2019-07-26 | 2021-02-02 | 上海必修福企业管理有限公司 | High-temperature electret material and preparation method thereof |
| TWI743576B (en) * | 2018-10-22 | 2021-10-21 | 大陸商上海必修福企業管理有限公司 | Method for removing dust |
| CN113692317A (en) * | 2019-03-20 | 2021-11-23 | 上海必修福企业管理有限公司 | Method and apparatus for treating low specific resistance substance |
| WO2022126454A1 (en) * | 2020-12-16 | 2022-06-23 | 合肥美的电冰箱有限公司 | Storage apparatus |
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- 2015-01-28 CN CN201520060862.3U patent/CN204816887U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105983486A (en) * | 2015-01-28 | 2016-10-05 | 上海思奈环保科技有限公司 | High-voltage ion and electret air purification apparatus and air purifying apparatus |
| TWI772695B (en) * | 2018-10-22 | 2022-08-01 | 大陸商上海必修福企業管理有限公司 | System for removing dust |
| TWI743576B (en) * | 2018-10-22 | 2021-10-21 | 大陸商上海必修福企業管理有限公司 | Method for removing dust |
| CN109675867A (en) * | 2019-01-07 | 2019-04-26 | 哈尔滨工业大学 | A kind of solar cell surface lunar dust of high voltage polarization is from main removing trolley |
| CN109675867B (en) * | 2019-01-07 | 2021-06-01 | 哈尔滨工业大学 | High-voltage polarized solar cell surface lunar dust automatic clearing trolley |
| CN114072236A (en) * | 2019-03-20 | 2022-02-18 | 上海必修福企业管理有限公司 | Method and apparatus for treating low specific resistance substance |
| CN113692317A (en) * | 2019-03-20 | 2021-11-23 | 上海必修福企业管理有限公司 | Method and apparatus for treating low specific resistance substance |
| CN112295738A (en) * | 2019-07-26 | 2021-02-02 | 上海必修福企业管理有限公司 | High-temperature electret material and preparation method thereof |
| CN110694800A (en) * | 2019-09-23 | 2020-01-17 | 宁波方太厨具有限公司 | High-voltage electrostatic purification device and range hood applying same |
| CN110694799A (en) * | 2019-09-23 | 2020-01-17 | 宁波方太厨具有限公司 | High-voltage electrostatic purification device and range hood applying same |
| CN110694799B (en) * | 2019-09-23 | 2024-05-14 | 宁波方太厨具有限公司 | High-voltage electrostatic purifying device and range hood using same |
| CN110694800B (en) * | 2019-09-23 | 2024-05-14 | 宁波方太厨具有限公司 | High-voltage electrostatic purifying device and range hood using same |
| WO2022126454A1 (en) * | 2020-12-16 | 2022-06-23 | 合肥美的电冰箱有限公司 | Storage apparatus |
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Granted publication date: 20151202 Effective date of abandoning: 20181120 |