CN106513179A - Sheet-metal dielectrophoresis electrode structure - Google Patents
Sheet-metal dielectrophoresis electrode structure Download PDFInfo
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- CN106513179A CN106513179A CN201510585845.6A CN201510585845A CN106513179A CN 106513179 A CN106513179 A CN 106513179A CN 201510585845 A CN201510585845 A CN 201510585845A CN 106513179 A CN106513179 A CN 106513179A
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- electrode
- battery lead
- lead plate
- dielectrophoresises
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Abstract
The invention relates to a sheet-metal dielectrophoresis electrode structure. The sheet-metal dielectrophoresis electrode structure comprises two electrode plates, wherein the electrode plates are connected with different output ends of an alternating-current power source. Each electrode plate is a sheet metal part which is integrally formed, a plurality of electrodes and one or more side lines are manufactured on each electrode plate, and the electrodes of each electrode plate are arranged in parallel and connected through the side lines. The electrode plates are stacked in a staggered mode, and therefore the electrodes of the electrode plates can alternately correspond to each other so as to form electrode sets. The sheet-metal dielectrophoresis electrode structure can be used for separating particles in the micron particle size, and the dielectrophoretic force of the sheet-metal dielectrophoresis electrode structure is about ten times that of a cylindrical electrode in a region close to the electrodes. The electrode plates are integrally formed through a sheet-metal technology, when any one portion of each electrode plate is connected with the power source, the whole corresponding electrode plate can be powered, and therefore the electrodes and connecting wires can be integrated on the same sheet metal parts, and the sheet-metal dielectrophoresis electrode structure has the advantages of being low in manufacturing cost and convenient to install. According to the difference of the sheet-metal selected material texture and the thickness, a certain flexibility or rigidity can be achieved, and the sheet-metal dielectrophoresis electrode structure can be used in a curled or flat mode.
Description
Technical field
The present invention relates to a kind of in solid-liquid, solid-gas, Liquid-liquid mixing thing separated and settled to the granule of special object
Equipment, more particularly to a kind of panel beating dielectrophoresises electrode structure.
Background technology
It is flat that dielectrophoresises describe that the electric neutrality granule positioned at non-well-balanced electric field produced due to the effect of dielectric polarization
Shifting movement.Producing dipole moment on granule can be by two identical carried charge but opposite polarity electric charge is representing, when it
On granular boundary during mal-distribution, produce a macroscopical dipole moment.When this dipole moment is located at unshapeliness electric field
In, the different of local electric field strength on granule both sides produce a resulting net force, referred to as dielectrophoresis force.Due to being suspended in matchmaker
Granule in Jie has different dielectric properties (dielectric constant) from medium, and granule can be moved towards the enhanced direction of electric field intensity
It is dynamic, referred to as positive dielectrophoresises, otherwise if granule is moved towards the direction that electric field intensity weakens, referred to as negative dielectrophoresises.
When granule, (radius r, relative dielectric constant are εp, conductivityσp) it is suspended in fluid media (medium) (relative dielectric constant
For εf, electrical conductivity be σf) when, its dielectrophoresis force for being received is：
In formula:(here：)；E is outer
The root-mean-square of power-up field intensity；ε0It is permittivity of vacuum；ω is electric field angular frequency.DEP force directions will be depending on k*(ω)
Real part, i.e. the CM factors, in CM>It is positive dielectrophoresises when 0, particle is from existing fringing field regional movement to high electric field
Region, on the contrary it is negative dielectrophoresises.
In prior art, air cleaning sometimes using adopting Cottrell process, the method using electrophoresis (electrophoresis,
EP principle), makes the gas molecule ionization in air in high-voltage dc, produces a large amount of electronics and ion, in electricity
Towards the electrode movement electrically contrary with electronics and ion in the presence of field force.The dust in air-flow is encountered in moving process
Granule makes which charged, and Charged granule is acted on to electrode movement in electric field force, realizes solids or liquid particle and gas
The separation of stream.Industrially wide variety of is tubular electrostatic precipitator and plate type electrostatic cleaner unit.
Dielectrophoresises technology with the electrophoretic techniquess difference of electrostatic precipitation is：
(1) what dielectrophoresises were manipulated is electric neutrality granule so as to the translational motion produced due to the effect of dielectric polarization；
What electrophoresis was manipulated is electronics and ion so as to which load produces displacement on dust granules.
(2) in dielectrophoresises, particle motion is unrelated with the direction of electric field, only dielectric constant with itself and medium
Dielectric constant it is relevant；In electrophoresis particle motion depend on granule charged symbol and electric field direction, electric field
Direction reversion then direction of motion reversion.
(3) dielectrophoresises need inhomogeneous field；Electrophoresis can all occur in field uniform or heterogeneous.
(4) size of dielectrophoresis force be proportional to particle diameter cube；It is powered that the size of electrophoretic force is proportional to granule institute
The number of lotus.
Chinese patent：A kind of dielectrophoresises electrode structure (application number：201410407467.8, the applying date：2014.08.19)
A kind of electrode with chi structure is disclosed, by " first wire of [0005th] section of claim 1 and description
A part of wire connecting power positive pole in group, another part connection power cathode " understands that the electrode in the application, leads to
What is entered is DC source (only DC source inborn ability both positive and negative polarity).Although applicant is illustrated in [0006th] section of description
The electrode structure can produce non-uniform electric field, but this non-uniform electric field persistently can not be present in principle.
After the electrode in immersion medium is passed through unidirectional current, as the charged particle that can not be offset is due to foregoing electrophoresis
Effect, converges in opposite polarity electrode surface, produces the effect similar to electrostatic screen, and external electronic field is reduced to
0.The effect of non-uniform electric field is produced between thus not reaching in the electrodes, therefore above-mentioned setting does not reach goal of the invention.
Existing dielectrophoresises electrode is independent strip, is connected to the corresponding outfan of alternating current power supply by wire, is needed
In being arranged on separation chamber one by one and corresponding outfan is connected by wire respectively, not only waste time and energy, also result in separation chamber
Structure it is more open, wiring is complicated, be easily damaged.In addition, strip shaped electric poles also need to make one by one, technique into
This is higher.
The content of the invention
It is to overcome the deficiencies in the prior art that the purpose of the present invention is, is proposed a kind of by the integrally formed panel beating of sheet metal process
Dielectrophoresises electrode structure, makes electrode and connecting wire be integrated on a sheet metal component, good with dielectrophoresises effect, system
Make low cost, it is easy for installation the features such as, according to panel beating selection quality and the difference of thickness, can possess certain flexibility or rigidity,
Rollable or open and flat use, can be used for partition size in micron-sized granule.
The present invention solves its technical problem and is achieved through the following technical solutions：
A kind of panel beating dielectrophoresises electrode structure, it is characterised in that：Connect alternating current power supply difference outfan respectively including two panels
Battery lead plate；The sheet metal component that the battery lead plate is formed in one, electrode including the arrangement of a plurality of flat shape and while connection is all
One of the electrode or one or more sideline；Battery lead plate interfolded described in two, is placed in the electrode of a battery lead plate another
Between two adjacent electrodes of battery lead plate, electrode group is formed；Mutually insulated between battery lead plate described in two.
The battery lead plate is comb-like electrode plate, including a plurality of electrode arranged in parallel, and while all electrodes of connection
The a line line of one end, the other end of the electrode is free end.
The sideline of one battery lead plate is located at the free end side of electrode in another battery lead plate.
The battery lead plate is grid electrode plate, including a plurality of electrode arranged in parallel, and the two ends for connecting the electrode respectively
Two sidelines.
Between the sideline of battery lead plate described in two, insulant is set.
The battery lead plate is three-dimensional grid electrode plate, including a plurality of electrode arranged in parallel, and connects the electrode respectively
The sideline at two ends；The two ends bending of the electrode, mutually avoids in interfolded.
The two ends of the electrode bend into a ladder, make the middle part of the electrode raised relative to two ends.
Fixture is set between the relative sideline of battery lead plate described in two, battery lead plate described in two is fixed as one.
Insulating barrier is respectively provided with outside battery lead plate described in two.
Insulating barrier is set outside one battery lead plate, and another battery lead plate is bare electrode made by corrosion resistant material.
The advantages of the present invention are：
1st, panel beating dielectrophoresises electrode structure of the invention, the equal punching press of two panels battery lead plate are integrally formed, are formed with thereon a plurality of
The electrode of flat shape arrangement, and connect or one or more sideline of the electrode, interfolded between two panels battery lead plate,
The spaced correspondence of electrode of two panels battery lead plate is made to form electrode group；Battery lead plate is integrally formed by sheet metal process, production
Low cost, compared with cylindrical electrode reduces cost more than 70%；Any one position connection power supply can cause imposite for
Electricity, so that electrode and connecting wire are integrated on a sheet metal component；According to panel beating selection quality and the difference of thickness, can
Possess certain flexibility or rigidity, rollable or open and flat use；When mounted due between each electrode relative position be set
Good, the one that can carry out whole battery lead plate is installed, and does not result in the confusion of electrode arrangement.
2nd, panel beating dielectrophoresises electrode structure of the invention, battery lead plate may be configured as comb-like electrode plate, when two panels comb
When shape battery lead plate staggeredly constitutes panel beating dielectrophoresises electrode structure, the electrode of the first comb-like electrode plate is from the second comb teeth-shaped electricity
Insert between the electrode of pole plate, form electrode group, can so prevent two panels battery lead plate from contacting in sideline in superposition, produce
It is raw to interfere, overly simplified with structure, easy to manufacture, easy for installation advantage.
3rd, panel beating dielectrophoresises electrode structure of the invention, battery lead plate can be grid electrode plate, when two panels grid electrode plate
When interleaved stacks composition panel beating dielectrophoresises electrode structure, the two ends of electrode are linked together by sideline, therefore
Position is relatively fixed electrode when mounted, it is not necessary to which the later stage adjusts；And, in order to avoid the sideline of grid electrode plate connects
Touch, avoid can the sideline bending of two battery lead plates, also insulating trip can be set between the sideline of two battery lead plates.
4th, panel beating dielectrophoresises electrode structure of the invention, battery lead plate can be three-dimensional grid electrode plate, when two three-dimensional grid
Shape battery lead plate is overlapped when constituting panel beating dielectrophoresises electrode structure, is intersected in the middle part of the electrode of two battery lead plates, forms interdigital electricity
Pole；And as the two ends of electrode bend, therefore there is gap between the sideline of two three-dimensional grid electrode plates, can be automatically mutual
Insulation.
Description of the drawings
Fig. 1 is the electrode group distribution schematic diagram of the present invention；
Fig. 2 is the electric field and dielectrophoresis force vector isogram of the present invention；
Fig. 3 is the comb-like electrode plate structure schematic diagram of embodiments of the invention one；
Fig. 4 is the panel beating dielectrophoresises electrode structure schematic diagram that the comb-like electrode plate of embodiments of the invention one is constituted；
Fig. 5 is the grid electrode plate structure schematic diagram of embodiments of the invention two；
Fig. 6 is the schematic perspective view of the three-dimensional grid electrode plate of embodiments of the invention three；
Fig. 7 is the three-dimensional grid electrode plate front view of embodiments of the invention three；
Fig. 8 is the panel beating dielectrophoresises electrode structure side view that the three-dimensional grid electrode plate of embodiments of the invention three is constituted；
Fig. 9 is the panel beating dielectrophoresises electrode structure top view that the three-dimensional grid electrode plate of embodiments of the invention three is constituted.
Description of reference numerals
1- first electrodes, 2- second electrodes, 3- comb-like electrode plates, the electrode of 4- comb-like electrode plates, 5- comb teeth-shapeds electricity
The sideline of pole plate, 6- grid electrode plates, the electrode of 7- grid electrode plates, the sideline of 8- grid electrode plates, 9- solid grid shapes
Battery lead plate, the electrode of 10- solid grid electrode plates, the sideline of 11- solid grid electrode plates.
Specific embodiment
Below by specific embodiment, the invention will be further described, and following examples are descriptive, is not to limit
Property, it is impossible to protection scope of the present invention is limited with this.
Embodiment 1
A kind of panel beating dielectrophoresises electrode structure, which includes that two panels connects the battery lead plate of alternating current power supply difference outfan respectively,
Battery lead plate is integral type structure, is directly cut or stamping forming sheet metal component in thin metal blank.The two panels battery lead plate is equal
Punching press is integrally formed, and is formed with electrode arranged in parallel and connects one or one or more sideline of the electrode, and described two
Interfolded between plate electrode plate, makes the spaced correspondence of electrode of two panels battery lead plate to form electrode group.And such as Fig. 1 institutes
Show, the first electrode 1 (coating black) in first electrode plate is arranged on the second electrode 2 (coating white) of second electrode plate
Between neutral gear, make first electrode 1 and second electrode 2 be staggered, constitute electrode group；First sideline and the second sideline
Connect the different outfans of alternating current power supply respectively, the first sideline can be with identical with the shape in the second sideline, it is also possible to different.
As shown in Fig. 2 when the first sideline and the second sideline are respectively turned on two outfan of alternating current power supply, being formed between electrode
Non-uniform electric field, figure are that along the length direction of electrode, to produce dielectrophoresis force vector equivalent in dielectrophoresises electrod-array
Line.
As shown in figure 3, two panels battery lead plate is comb-like electrode plate 3, the comb-like electrode plate 3 is by a plurality of arranged in parallel
Electrode 4 and connect jointly a line line 5 of 4 one end of electrode and constitute, a plurality of electrode 4 arranged in parallel it is another
One end is free end.3 interfolded of two panels comb-like electrode plate, left and right between the electrode 4 of two panels comb-like electrode plate 3
Interval correspondence, forms electrode group.As shown in figure 4, when two panels battery lead plate interfolded constitutes panel beating dielectrophoresises electrode knot
During structure, the electrode 4 of the first comb-like electrode plate is inserted between the electrode of the second comb-like electrode plate, forms electrode group.
Can so prevent two panels battery lead plate from contacting in sideline 5 in superposition, produce interference.The outer surface of comb-like electrode plate 3
Insulating barrier can be respectively provided with, also can one insulate another for bare electrode plate；It is bare electrode when there is a comb-like electrode plate 3
During plate, the comb-like electrode plate 3 should be resistant material, or through corrosion-resistance treatment.
Embodiment 2
As shown in figure 5, difference from Example 1 is：Two panels battery lead plate be grid electrode plate 6, the grid electrode plate
It is made up of two sidelines 8 of a plurality of electrode 7 arranged in parallel and the two ends for connecting the electrode.Two panels grid electrode plate is spaced
Stack, form electrode group.Enter between-line spacing using insulating trip between the sideline 8 of two panels grid electrode plate 6 to stack.Work as two panels
Grid electrode plate 6 is overlapped when constituting panel beating dielectrophoresises electrode structure, is arranged between the sideline 8 of two grid electrode plates 6
The insulating trip, can avoid the sideline 8 of two grid electrode plates 6 from contacting, as the two ends of electrode 7 pass through sideline 8
Link together, thus electrode 7 position is relatively fixed when mounted, it is not necessary to the later stage adjust.
Embodiment 3
As shown in fig. 6, difference from Example 1 is：Two panels battery lead plate is three-dimensional grid electrode plate 9, the three-dimensional grid
Shape battery lead plate 9 is made up of two sidelines 11 of a plurality of electrode 10 arranged in parallel and the two ends for connecting the electrode, electrode
10 two ends are to after the bending of homonymy direction, then connect two sidelines respectively.Preferred mode is：The two ends of electrode 10 to
After the direction bending of electrode, then to the direction 90-degree bent parallel to electrode 10, form stepped, make electrode
10 middle part is raised relative to two ends.As shown in Fig. 7,8,9, between the outer portions of two panels solid grid electrode plate 9
It is every stacking, interlaced between the electrode 10 of two panels solid grid electrode plate 9, form electrode group.Due to electrode 10
Two ends bend, therefore there is gap between the sideline 11 of two three-dimensional grid electrode plates 9, can mutually avoid insulation automatically.
Fixture is set between the relative sideline of battery lead plate, battery lead plate described in two is fixed as one.
In panel beating dielectrophoresises electrode structure, two battery lead plates connect an outfan and another output of alternating current power supply respectively
End, and 180 ° of the phase preferably between two outfans.When the frequency of alternating current power supply input is different, generation is just situated between
Electric electrophoretic effect or negative dielectrophoresises effect.Dust-contained airflow enters tetragon electrode group area along perpendicular to electrode axis direction
Domain, when through AC field coverage, particulate matter therein is subject to the effect of dielectrophoresis force big to electric field intensity
Direction is moved, and is gathered at electrode seamed edge, and when dielectrophoresis force is more than Stokes power, (particulate matter is in low velocity fluid
Main stress is viscosity resistance), granule is able to capture in the field regime formed in electrode.And when granule density is sufficiently large
When, the granule of surrounding them is condensed into larger particles and is settled down due to collision and " chain " effect.Thus can be with
Gas or the granule in fluid is isolated, and they are collected.
And different liquids show different Characteristic of Electric Polarization Feature in the presence of electric field in emulsion, this difference can make to hang
Floating drop produces dielectrophoresises effect and in non-uniform electric field by same direction, i.e., move to the position of high electric-field intensity
It is dynamic.During movement, as collision and high local fields intensity will be the worse for wear in liquid film two-by-two between droplet,
So as to be merged into bigger drop.With continuous motion and droplet coalescence, emulsification will be destroyed and form two not
With liquid phase and separated.
Although disclosing embodiments of the invention and accompanying drawing for the purpose of illustration, it will be appreciated by those skilled in the art that：
Without departing from the present invention and spirit and scope of the appended claims in, various replacements, 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 (10)
1. a kind of panel beating dielectrophoresises electrode structure, it is characterised in that：Connect alternating current power supply respectively including two panels different
The battery lead plate of outfan；The sheet metal component that the battery lead plate is formed in one, including a plurality of flat shape arrangement electrode and while
Connect one or one or more sideline of all electrodes；Battery lead plate interfolded described in two, makes the electricity of a battery lead plate
Pole is placed between two adjacent electrodes of another battery lead plate, forms electrode group；Mutually insulated between battery lead plate described in two.
2. a kind of panel beating dielectrophoresises electrode structure as claimed in claim 1, it is characterised in that：The battery lead plate
For comb-like electrode plate, including a plurality of electrode arranged in parallel, and while connect a line of all described electrode one end
Line, the other end of the electrode is free end.
3. a kind of panel beating dielectrophoresises electrode structure as claimed in claim 2, it is characterised in that：One battery lead plate
Sideline is located at the free end side of electrode in another battery lead plate.
4. a kind of panel beating dielectrophoresises electrode structure as claimed in claim 1, it is characterised in that：The battery lead plate
For grid electrode plate, including a plurality of electrode arranged in parallel, and two sidelines for connecting the two ends of the electrode respectively.
5. a kind of panel beating dielectrophoresises electrode structure as claimed in claim 4, it is characterised in that：Electrode described in two
Between the sideline of plate, insulant is set.
6. a kind of panel beating dielectrophoresises electrode structure as claimed in claim 1, it is characterised in that：The battery lead plate
For three-dimensional grid electrode plate, including a plurality of electrode arranged in parallel, and the sideline for connecting the two ends of the electrode respectively；
The two ends bending of the electrode, mutually avoids in interfolded.
7. a kind of panel beating dielectrophoresises electrode structure as claimed in claim 6, it is characterised in that：The electrode
Two ends bend into a ladder, make the middle part of the electrode raised relative to two ends.
8. a kind of panel beating dielectrophoresises electrode structure as claimed in claims 6 or 7, it is characterised in that：Described in two
Fixture is set between the relative sideline of battery lead plate, battery lead plate described in two is fixed as one.
9. a kind of panel beating dielectrophoresises electrode structure as described in one of claim 1～7, it is characterised in that：Two institutes
State.
10. a kind of panel beating dielectrophoresises electrode structure as described in one of claim 1～7, it is characterised in that：One
Insulating barrier is set outside battery lead plate, and another battery lead plate is bare electrode made by corrosion resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585845.6A CN106513179B (en) | 2015-09-15 | 2015-09-15 | A kind of metal plate dielectrophoresis electrode structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585845.6A CN106513179B (en) | 2015-09-15 | 2015-09-15 | A kind of metal plate dielectrophoresis electrode structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106513179A true CN106513179A (en) | 2017-03-22 |
| CN106513179B CN106513179B (en) | 2019-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510585845.6A Expired - Fee Related CN106513179B (en) | 2015-09-15 | 2015-09-15 | A kind of metal plate dielectrophoresis electrode structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855218A (en) * | 2017-11-23 | 2018-03-30 | 安徽工业大学 | A kind of continuity air purification method based on air purifier |
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| CN1337580A (en) * | 2000-08-08 | 2002-02-27 | 清华大学 | Solid molecule operating method in microfluid system |
| CN1376779A (en) * | 2001-03-22 | 2002-10-30 | 北京博奥生物芯片有限责任公司 | Process for separating cells and its application |
| US20060242741A1 (en) * | 2003-04-08 | 2006-10-26 | Forschungszentrum Karlsruhe Gmbh | Method, arrangement and use of an arrangement for separating metallic carbon nanotubes from semi-conducting carbon nanotubes |
| KR20090083655A (en) * | 2008-01-30 | 2009-08-04 | 인제대학교 산학협력단 | Dielectrophoretic microseparator |
| CN201482564U (en) * | 2009-03-27 | 2010-05-26 | 王健 | High-voltage static sheet structure of purifier |
| CN205164965U (en) * | 2015-09-15 | 2016-04-20 | 王冰 | Panel beating dielectrophoresis electrode structure |
-
2015
- 2015-09-15 CN CN201510585845.6A patent/CN106513179B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1337580A (en) * | 2000-08-08 | 2002-02-27 | 清华大学 | Solid molecule operating method in microfluid system |
| CN1376779A (en) * | 2001-03-22 | 2002-10-30 | 北京博奥生物芯片有限责任公司 | Process for separating cells and its application |
| US20060242741A1 (en) * | 2003-04-08 | 2006-10-26 | Forschungszentrum Karlsruhe Gmbh | Method, arrangement and use of an arrangement for separating metallic carbon nanotubes from semi-conducting carbon nanotubes |
| KR20090083655A (en) * | 2008-01-30 | 2009-08-04 | 인제대학교 산학협력단 | Dielectrophoretic microseparator |
| CN201482564U (en) * | 2009-03-27 | 2010-05-26 | 王健 | High-voltage static sheet structure of purifier |
| CN205164965U (en) * | 2015-09-15 | 2016-04-20 | 王冰 | Panel beating dielectrophoresis electrode structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107855218A (en) * | 2017-11-23 | 2018-03-30 | 安徽工业大学 | A kind of continuity air purification method based on air purifier |
| CN107855218B (en) * | 2017-11-23 | 2019-09-10 | 安徽工业大学 | A kind of continuity air purification method based on air purifier |
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| CN106513179B (en) | 2019-05-31 |
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