CN106311473B - A kind of DEP panel type air filters - Google Patents
A kind of DEP panel type air filters Download PDFInfo
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- CN106311473B CN106311473B CN201510388171.0A CN201510388171A CN106311473B CN 106311473 B CN106311473 B CN 106311473B CN 201510388171 A CN201510388171 A CN 201510388171A CN 106311473 B CN106311473 B CN 106311473B
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Abstract
The present invention relates to a kind of DEP panel type air filters, and it includes frame shell and parallel electrode group, and the frame shell is rectangular frame, and the parallel pole group is in the rectangular frame；The parallel pole group includes multiple dielectrophoresis electrodes being parallel to each other, and the centre-to-centre spacing or spacing between the dielectrophoresis electrode are uniformly distributed；The dielectrophoresis electrode is shape, and the cross section of the shape is the shape with projection, the raised crest line for forming the dielectrophoresis electrode；The crest line of the dielectrophoresis electrode of adjacent lines and/or adjacent column is oppositely arranged, and the relative two dielectrophoresis electrodes of crest line connect an output end and another output end for AC power respectively.The present invention uses parallel pole group, and different groups of electrode can be connected to the both ends of AC power, can form dielectrophoresis effect in large scale scope.
Description
Technical field
The invention belongs to air filtration technical field, more particularly to a kind of DEP panel type air filters.
Background technology
At present, people generally feel that air quality is optimistic not to the utmost, and air pollution is main cause, and this is also to cause air quality poor
Basic reason.In the city of 74 monitoring air qualities of China, there is the air quality in 70 cities not up to standard, when a lot
Even up to serious pollution.Such as the haze event that last year Beijing is seen repeatly, trigger the concern of people of the whole China.And air pollution this
The problem of one seriousness, load can eliminate within 1 year two absolutely not, and air purifier is undoubtedly good solution route.
The air purifying process of generally use has：Adsorption technology, negative (just) ion technology, catalysis technique, photocatalyst technology,
Superstructure light mineralising technology, HEPA high efficiency filters technology, electrostatic precipitation technology etc., no matter using which kind of technology, majority is all present
Structure is more complicated, makes troublesome bothersome, cost height；Critical piece service life is short, often changes part increase expenses；One
A little filter screen type dust removals by filtration, superfine small microparticle are possible to slip through the net, and dust removing effects are preferable not to the utmost.
Particularly Cottrell process, it is to produce to ionize the gas molecule in air using high-voltage dc, produces
A large amount of electronics and ion, move to the two poles of the earth in the presence of electric field force, the dust in air-flow are encountered in moving process
Particle makes its charged, and electrically charged particle is acted on to pole plate in electric field force and moved, and realizes solids or liquid particle and air-flow
Separation.Industrially wide variety of is tube-type esp and Elex precipitator.Cottrell process and dielectrophoresis technology
Unlike (Dielectrophoresis, DEP)：
(1) what dielectrophoresis manipulated is neutrophil granule, makes its effect due to dielectric polarization and caused translational motion；Electricity
What swimming manipulated is electronics and ion, its load is produced displacement on dust granules.
(2) particle motion is unrelated with the direction of electric field in dielectrophoresis, only dielectric constant and medium with itself
Dielectric constant it is relevant；Particle motion depends on the direction of the electrically charged symbol of particle and electric field, electric field side in electrophoresis
To reversion, then the direction of motion inverts.
(3) dielectrophoresis needs inhomogeneous field；Electrophoresis can all occur in field uniform or heterogeneous.
(4) size of dielectrophoresis force is proportional to cube of particle diameter；It is powered that the size of electrophoretic force is proportional to particle institute
The number of lotus.
Chinese patent：A kind of dielectrophoresis electrode structure (application number：201410407467.8 the applying date：
2014.08.19 a kind of electrode with chi structure) is disclosed, by the " described of claim 1 and specification [0005] section
A part of wire connecting power positive pole in first wire group, another part connection power cathode " understands that the electrode is being applied
In, what is be passed through is dc source (only dc source inborn ability both positive and negative polarity).Although applicant explains in specification [0006] section
Non-uniform electric field can be produced by stating the electrode structure, but from principle this non-uniform electric field be can not continue it is existing.
After the electrode in medium is passed through direct current, because the charged particle that can not be offset is because foregoing electrophoresis is imitated
Should, opposite polarity electrode surface is converged in, produces the effect similar to electrostatic screen, external electronic field is reduced to 0.So
The effect of non-uniform electric field is produced between just not reaching in the electrodes, therefore above-mentioned setting does not reach goal of the invention.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind based on dielectrophoresis technology, available for room
The structure of interior and outdoor dedusting is simple, it is easy to make, service life length, the DEP panel type air filters of better dust removal effect.
The present invention solves its technical problem and is achieved through the following technical solutions：
A kind of DEP panel type air filters, it is characterised in that：Including frame shell and parallel electrode group, the frame
Shell is rectangular frame, and the parallel pole group is in the rectangular frame；The parallel pole group includes multiple mutual
Parallel dielectrophoresis electrode, centre-to-centre spacing or spacing between the dielectrophoresis electrode are uniformly distributed；The dielectrophoresis electricity
Extremely shape, the cross section of the shape is the shape with projection, the raised composition dielectrophoresis electricity
The crest line of pole；The crest line of the dielectrophoresis electrode of adjacent lines and/or adjacent column is oppositely arranged, and two dielectric electricity that crest line is relative
Swimming electrode connects an output end and another output end for AC power respectively；The dielectrophoresis electrode is perpendicular to air-flow side
To, or with airflow direction have acute angle.
One power outlet is arranged on the frame shell, and the parallel pole group passes through described in power outlet connection
AC power.
When the cross section of the dielectrophoresis electrode is triangle or triangle star, the electrode of lastrow and Jie of next line
The crest line of electric iontophoretic electrode is relative.
Circulated by a unit of the dielectrophoresis electrode of the row of line n~the n-th+3, the dielectrophoresis electrode gap of line n
Arrangement and it is solely angular on, the dielectrophoresis electrode position of the (n+1)th row correspond between the adjacent two dielectrophoresises electrode of line n and
Under solely angular, the electrode position of the n-th+2 row correspond to the dielectrophoresis electrode of the (n+1)th row and it is solely angular on, the dielectric of the n-th+3 row
Under iontophoretic electrode position correspondence is between the adjacent two dielectrophoresises electrode of the n-th+2 row and solely angular；With the dielectric electricity in line n
Swimming electrode be connected on a terminal of AC power, with the (n+1)th row dielectrophoresis electrode be connected in AC power another
On terminal.
When the cross section of the dielectrophoresis is quadrangle or corner star, with adjacent dielectric iontophoretic electrode in a line
Crest line is relative, and the crest line of adjacent dielectric iontophoretic electrode is relative in same row.
The odd number dielectrophoresis electrode of line n and the even number dielectrophoresis electrode of the (n+1)th row are connected in alternating current
On one terminal in source, the even number dielectrophoresis electrode of line n and the odd number dielectrophoresis electrode of the (n+1)th row are connected in
On another terminal of AC power.
The dielectrophoresis electrode has angle perpendicular to airflow direction, or with airflow direction.
The outer surface of the dielectrophoresis electrode sets insulating coating.
Phase between the output end and another output end of the AC power differs 180 °.
The advantages of the present invention are：
1. by the present invention DEP panel type air filters be placed on base, and be positioned over as needed dormitory, parlor,
The space such as meeting room and in-car, afterwards switches on power power outlet.Flowed naturally using air, air is from DEP flat-plate airs
The front of air filter enters parallel pole group, produces inhomogeneous field after switching on power due to parallel pole group, works as ash-laden gas
Stream is when pass through parallel pole group, via dust therein by electric field polarization, in the case where dielectrophoresis force acts on to the stronger side of electric field
It is gathered in motion near dielectrophoresis electrode, and chain settles down, the air-flow after purification is from the flat air filtrations of DEP
The rear discharge of device, improves IAQ.The present invention only needs periodic cleaning aggregation heavy during dust-contained airflow is purified
The dust in parallel pole group bottom is dropped, without changing parallel pole group, therefore does not produce later stage expense.
2. DEP panel type air filters of the present invention, using parallel pole group, different groups of electrode can be connected to
The both ends of AC power, dielectrophoresis effect can be formed in large scale scope, for being in or being covered by its electric field empty
Between scope fluid, the selective neutrophil granule to wherein containing separated or is enriched with.Exist relative to traditional dielectric electrophoresis
The application of the micro-nano rank yardstick of chip, the wire electrode diameter that uses of the present invention is in millimeter rank yardstick, and length is in the other chi of meter level
Degree, after electrode pair array, can cover cubic metre even more big volume of rank yardstick.
3. DEP panel type air filters of the present invention, dedusting, advanced technology, dedusting effect are carried out using dielectrophoresis effect
Fruit is good, and dust removal efficiency is up to 99.9%.
4. DEP panel type air filters scientific structure design of the present invention is reasonable, there is advanced technology, simple in construction, system
Make the features such as easy, cost is relatively low, cleaning is easy, service life is long, good dedusting effect, efficiency high, can using parallel pole group
Different groups of electrode is connected to the both ends of AC power, dielectrophoresis effect can be formed in large scale scope, be
A kind of DEP panel type air filters with higher innovation, great practical value and market popularization value.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the arrangement schematic diagram of the parallel pole group in the present invention；
Fig. 4 is the structural representation of the parallel pole group in the present invention (cross section is triangle)；
Fig. 5 is the structural representation of the parallel pole group in the present invention (cross section is triangle star)；
Fig. 6 is the structural representation of the parallel pole group in the present invention (cross section is quadrangle)；
Fig. 7 is the structural representation of the parallel pole group in the present invention (cross section is corner star)；
Fig. 8 is the floor map for the parallel pole group that cross section in the present invention is triangle；
Fig. 9 is the floor map for the parallel pole group that cross section in the present invention is quadrangle；
Figure 10 is that triangular-shaped electrodes connect electrical schematic；
Figure 11 is that triangle star electrode connects electrical schematic；
Figure 12 is that quadrangle electrode connects electrical schematic；
Figure 13 is that corner star electrode connects electrical schematic；
Figure 14 is the distribution map (coefficient value, instantaneous) that quadrangle electrode group produces dielectrophoresis force；
Figure 15 is that corner star electrode group produces dielectrophoresis force distribution map (coefficient value, instantaneous)；
Figure 16 is that triangular-shaped electrodes group produces dielectrophoresis force distribution map (coefficient value, instantaneous).
Description of reference numerals：
1- frames shell, 2- parallel poles group, 3- power outlets, 5- cross sections are what triangle dielectrophoresis electrode was formed
Parallel pole group, 6- cross sections are parallel pole group, the 7- cross sections quadrangle dielectric that triangle star dielectrophoresis electrode is formed
The parallel pole group of iontophoretic electrode composition, 8- cross sections are the parallel pole group that corner star dielectrophoresis electrode is formed.
Embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not limit
Qualitatively, it is impossible to which protection scope of the present invention is limited with this.
As shown in Figure 1 and Figure 2, a kind of DEP panel type air filters, it mainly includes frame shell 1, parallel pole group
2nd, power outlet 3, frame shell 1 are rectangular frame, and in frame shell 1, power outlet 3 is arranged at parallel pole group 2
On frame shell 1.Parallel pole group 2 is made up of multiple in arranged in matrix and the dielectrophoresis electrode that is parallel to each other, and air-flow is from side
The front of outer frame shell 1 enters parallel pole group 2, after non-well-balanced electric field dedusting caused by frame shell 1, discharges from the negative,
Direction of the air-flow in frame shell 1 is vertical with parallel pole group 2 or angle be present.Dielectrophoresis electricity in parallel pole group 2
Pole is divided into two groups, is connected respectively by the power outlet 3 on frame shell 1 with two terminals of external AC power supply.
Electrode group of the present invention is parallel pole group, and its concrete structure is：
As shown in figure 3, parallel pole group 2 includes the dielectrophoresis electrode that more parallel rows are set.The dielectrophoresis of the present invention
Electrode is in the shape longitudinally with consistent geometric profile, and outer surface sets insulating barrier, and the insulating barrier can be that insulation applies
Layer or enamel shell.When the cross section of dielectrophoresis electrode is the polygon with sharp protrusion, dielectrophoresis electrode
Cross section can be triangle, quadrangle, triangle star or corner star, and different according to the shape of electrode sections, arrangement mode omits
It is variant.Dielectrophoresis electrod-array has acute angle perpendicular to airflow direction, or with airflow direction.Parallel pole group 2 can be with
The electrode of same cross sectional shape, can also different cross section shape mixing arrangement, as long as ensure adjacent rows and/or it is adjacent two row
Electrode crest line it is relative.
When the cross section of dielectrophoresis electrode is the shape with projection, the crest line of adjacent dielectric iontophoretic electrode is relative to be set
Put, and adjacent dielectric iontophoretic electrode connects a terminal and another terminal for AC power respectively；One end of AC power
Son differs 180 ° with the phase between another terminal.
If Fig. 4 is that cross section is the parallel pole group 5 that triangle dielectrophoresis electrode is formed；Fig. 5 is that cross section is triangle
The parallel pole group 6 that star dielectrophoresis electrode is formed.As shown in figure 8, when dielectrophoresis electrode cross section for triangle or
During triangle star, dielectrophoresis electrode uses the electrode crest line phase of same arrangement form, the i.e. electrode of lastrow and next line
It is right.Specially circulate, be spaced on the electrode of line n is solely angular, (n+1)th by a unit of the row of line n~the n-th+3 electrode
Capable electrode position corresponds between adjacent two electrode of line n that solely angle is down-set, and the electrode position of the n-th+2 row corresponds to the
The only angle of electrode of n+1 rows is set up, and the electrode position of the n-th+3 row is corresponding to solely angular between adjacent two electrode of the n-th+2 row
Lower setting；Above structure need to ensure that the electrode crest line of adjacent rows is relative, and from vertical electrode axis section, electrode group is formed
Hexagonal array.As shown in Figure 10, Figure 11, it is connected in in the dielectrophoresis electrode of line n on a terminal of AC power, together
It is connected in the dielectrophoresis electrode of the (n+1)th row on another terminal of AC power.
The parallel pole group 7 formed such as the dielectrophoresis electrode that Fig. 6 is cross section quadrangle；If Fig. 7 is that cross section is four
The parallel pole group 8 that the star-shaped dielectrophoresis electrode in angle is formed.As shown in figure 9, when the cross section of dielectrophoresis electrode is four sides
When shape or corner star, relative with the crest line of adjacent electrode in a line, the crest line of adjacent electrode is relative in same row.As Figure 12,
Shown in Figure 13, the odd number dielectrophoresis electrode of line n and the even number dielectrophoresis electrode of the (n+1)th row are connected in alternating current
On one terminal in source, the even number dielectrophoresis electrode of line n and the odd number dielectrophoresis electrode of the (n+1)th row are connected in
On another terminal of AC power.
Dielectrophoresis electrode has acute angle perpendicular to airflow direction, or with airflow direction.Parallel pole group can be same
The mixing arrangement of the dielectrophoresis electrode or different cross section shape dielectrophoresis electrode of one cross sectional shape, as long as ensureing
The dielectrophoresis electrode crest line of adjacent rows or adjacent two row is relative.
The operation principle of parallel pole group of the present invention is：
All dielectrophoresis electrodes in array are divided into two groups, with the same of the dielectrophoresis electrode connection AC power in group
One terminal, the alternating current phases between two groups of dielectrophoresis electrodes differ 180 °, and black and white electrode signifies to need in figure
The dielectrophoresis electrode being connected on AC power difference terminal.As shown in Figure 14, Figure 15, Figure 16, when connecting AC power,
Form non-uniform electric field between the relative crest line of electrode, bar shape is produced along the length direction of electrode in dielectrophoresis electrod-array
Dielectrophoresis force spatial distribution form.When gas or fluid are by AC field covering space, particulate matter therein is situated between
The effect of electric electrophoretic force is moved (near dielectrophoresis electrode) to the big direction of electric-field intensity, when dielectrophoresis force is more than stoke
During this power (particulate matter main stress in low velocity fluid is viscosity resistance), particle is able to capture what is formed in dielectrophoresis electrode
In electric field space.And when granule density is sufficiently large, the particle of surrounding them is larger because collision and " chain " effect are condensed into
Particle simultaneously settles down.The particle in gas or fluid can be thus isolated, and they are collected.
The present invention operation principle be：
A base or suspension arrangement are made for the present invention, the DEP panel type air filters of the present invention are placed on base,
And the spaces such as dormitory, parlor, meeting room and in-car are positioned over as needed, power outlet is switched on power afterwards.Utilize air
Naturally flow, air enters parallel pole group from the front of DEP panel type air filters, because parallel pole group switches on power
After produce inhomogeneous field, when dust-contained airflow passes through parallel pole group, via dust therein by electric field polarization, in dielectric electricity
Move and be gathered near dielectrophoresis electrode to the stronger direction of electric field under swimming power effect, and chain settles down, after purification
Air-flow discharged from the rears of DEP panel type air filters, improve IAQ.The present invention is in purification dust-contained airflow
During only need periodic cleaning aggregation to be deposited in the dust of parallel pole group bottom, without changing parallel pole group, therefore do not produce
Raw later stage expense.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, those skilled in the art can manage
Solution：Do not departing from the present invention and spirit and scope of the appended claims in, it is various replace, change and modifications all be it is possible,
Therefore, the scope of the present invention is not limited to embodiment and accompanying drawing disclosure of that.
Claims (5)
- A kind of 1. DEP panel type air filters, it is characterised in that：Including frame shell and parallel electrode group, outside the frame Shell is rectangular frame, and the parallel pole group is in the rectangular frame；The parallel pole group includes multiple mutually flat Capable dielectrophoresis electrode, centre-to-centre spacing or spacing between the dielectrophoresis electrode are uniformly distributed；The dielectrophoresis electrode For shape, the cross section of the shape is the shape with projection, the raised composition dielectrophoresis electrode Crest line；The crest line of the dielectrophoresis electrode of adjacent lines and/or adjacent column is oppositely arranged, and two dielectrophoresises that crest line is relative Electrode connects an output end and another output end for AC power respectively；The dielectrophoresis electrode is perpendicular to air-flow side To, or with airflow direction have acute angle；When the cross section of the dielectrophoresis electrode is triangle or triangle star, the electrode of lastrow and the dielectric electricity of next line The crest line of swimming electrode is relative；Circulated by a unit of the dielectrophoresis electrode of the row of line n~the n-th+3, the dielectrophoresis electrode gap arrangement of line n And it is solely angular on, the dielectrophoresis electrode position of the (n+1)th row corresponds between the adjacent two dielectrophoresises electrode of line n and only angle Downwards, the electrode position of the n-th+2 row correspond to the (n+1)th row dielectrophoresis electrode and it is solely angular on, the dielectrophoresis of the n-th+3 row Electrode position correspond between the adjacent two dielectrophoresises electrode of the n-th+2 row and it is solely angular under；With the dielectrophoresis electricity in line n Pole is connected on a terminal of AC power, and another terminal of AC power is connected in the dielectrophoresis electrode in the (n+1)th row On.
- 2. DEP panel type air filters according to claim 1, it is characterised in that：One power outlet is arranged at described On frame shell, the parallel pole group connects the AC power by the power outlet.
- 3. DEP panel type air filters according to claim 1 or 2, it is characterised in that：The dielectrophoresis electrode hangs down Directly in airflow direction, or with airflow direction there is acute angle.
- 4. DEP panel type air filters according to claim 1 or 2, it is characterised in that：The dielectrophoresis electrode Outer surface sets insulating coating.
- 5. DEP panel type air filters according to claim 1 or 2, it is characterised in that：One of the AC power Phase between output end and another output end differs 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388171.0A CN106311473B (en) | 2015-07-01 | 2015-07-01 | A kind of DEP panel type air filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510388171.0A CN106311473B (en) | 2015-07-01 | 2015-07-01 | A kind of DEP panel type air filters |
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| Publication Number | Publication Date |
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| CN106311473A CN106311473A (en) | 2017-01-11 |
| CN106311473B true CN106311473B (en) | 2018-01-26 |
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| CN201510388171.0A Expired - Fee Related CN106311473B (en) | 2015-07-01 | 2015-07-01 | A kind of DEP panel type air filters |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345624A (en) * | 2000-09-30 | 2002-04-24 | 清华大学 | Apparatus for corpuscle field and flow separation by sound field force and other active force |
| WO2007070592A2 (en) * | 2005-12-13 | 2007-06-21 | Nanogen, Inc. | Three dimensional dielectrophorectic separator and methods of use |
| CN103485864A (en) * | 2013-10-09 | 2014-01-01 | 内蒙古上派环境科技有限公司 | Dielectrophoresis automobile exhaust dust remover |
| CN104165417A (en) * | 2014-08-22 | 2014-11-26 | 阮海生 | Efficient DEP air purification system |
| CN204746590U (en) * | 2015-07-01 | 2015-11-11 | 王冰 | Flat air cleaner of DEP |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2398751A (en) * | 2003-02-28 | 2004-09-01 | Univ Surrey | A dielectrophoretic separation device |
| KR100745754B1 (en) * | 2005-12-29 | 2007-08-02 | 삼성전자주식회사 | A device for manipulating a particle using dielectrophoresis comprising a metal post electrode structure and a method of manipulating a particle with high flow rate using the same |
-
2015
- 2015-07-01 CN CN201510388171.0A patent/CN106311473B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345624A (en) * | 2000-09-30 | 2002-04-24 | 清华大学 | Apparatus for corpuscle field and flow separation by sound field force and other active force |
| WO2007070592A2 (en) * | 2005-12-13 | 2007-06-21 | Nanogen, Inc. | Three dimensional dielectrophorectic separator and methods of use |
| CN103485864A (en) * | 2013-10-09 | 2014-01-01 | 内蒙古上派环境科技有限公司 | Dielectrophoresis automobile exhaust dust remover |
| CN104165417A (en) * | 2014-08-22 | 2014-11-26 | 阮海生 | Efficient DEP air purification system |
| CN204746590U (en) * | 2015-07-01 | 2015-11-11 | 王冰 | Flat air cleaner of DEP |
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