CN114377857A

CN114377857A - Electric field unit assembly and electric field device

Info

Publication number: CN114377857A
Application number: CN202011135523.9A
Authority: CN
Inventors: 姜诗中; 王赞; 奚勇
Original assignee: Shanghai Bixiufu Enterprise Management Co Ltd
Current assignee: Shanghai Bixiufu Enterprise Management Co Ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2022-04-22
Also published as: CN116917044A; WO2022083663A1

Abstract

The invention discloses an electric field unit assembly and an electric field device. The electric field unit assembly comprises an electric field unit and an auxiliary adsorption mechanism, wherein the auxiliary adsorption mechanism is arranged on at least one side of the electric field unit and surrounds at least one chamber with the electric field unit, and the auxiliary adsorption mechanism is provided with a porous structure so as to enable the outside of the chamber to be in fluid communication with the inside of the chamber.

Description

Electric field unit assembly and electric field device

Technical Field

The invention relates to the field of electric fields, in particular to an electric field unit assembly and an electric field device.

Background

At present, the electrostatic technology is widely applied to the field of gas purification, gas is ionized when passing through an electrostatic field, particles in the gas are combined with charged ions and tend to move towards an electrode with the polarity opposite to that of the charged ions to be deposited, and the removal rate of the particles is related to the charging efficiency of the particles. At present, the direction of gas entering an electric field in the electrostatic gas purification device is vertical to the direction of ion flow in the electric field, and the defects of short retention time of the gas in the electric field, low charging efficiency and the like exist.

Disclosure of Invention

It is an object of the present invention to provide an electric field unit assembly and an electric field apparatus to solve the above-mentioned problems in the prior art.

In order to solve the above problem, according to one aspect of the present invention, there is provided an electric field unit assembly, characterized in that the electric field unit assembly comprises an electric field unit and an auxiliary adsorption mechanism disposed on at least one side of the electric field unit and enclosing at least one chamber with the electric field unit, wherein the auxiliary adsorption mechanism has a porous structure to fluidly communicate the outside of the chamber with the inside of the chamber.

In one embodiment, the electric field unit is composed of a plurality of adsorption plates, and the chamber is formed between at least two adsorption plates.

In one embodiment, the auxiliary suction mechanism includes a first auxiliary suction mechanism and a second auxiliary suction mechanism, the first auxiliary suction mechanism and the second auxiliary suction mechanism are oppositely arranged and form an interlayer space, and the electric field unit is arranged in the interlayer space.

In one embodiment, the electric field unit forms a relief structure and includes peaks and valleys, the first auxiliary adsorption mechanism is disposed adjacent to the peaks, the second auxiliary adsorption mechanism is disposed adjacent to the valleys, and the chambers are disposed between two adjacent peaks or two adjacent valleys.

In one embodiment, the cavity is formed between two adjacent peaks and one valley, and/or between two adjacent valleys and one peak.

In one embodiment, two adsorption plates are connected with each other to form the peak or the valley, and two adjacent adsorption plates are connected with each other to form an included angle, wherein the included angle ranges from 30 degrees to 90 degrees; preferably, the included angle is 60 °.

In one embodiment, three adsorption plates are connected in sequence to form the peak or the valley, and two adjacent adsorption plates are connected with each other to form an included angle alpha, wherein alpha is more than or equal to 90 degrees and less than 180 degrees; preferably, α is 120 °.

In one embodiment, two adjacent adsorption plates are arranged in parallel, and form at least one chamber with a quadrangular cross section extending along an axis of the chamber with at least one portion of the first auxiliary adsorption mechanism and the second auxiliary adsorption mechanism.

In one embodiment, the adsorption plate and the first auxiliary adsorption mechanism and/or the second auxiliary adsorption mechanism form a certain included angle beta, wherein beta is more than 0 degrees and less than or equal to 90 degrees.

In one embodiment, a plurality of the adsorption plates are sequentially connected by a connection member and form the electric field unit.

In one embodiment, each of the adsorption plates has a main body and folded edges respectively formed by bending the main body along two axially parallel ends of the chamber, and the connecting member is disposed on the folded edges of two adjacent adsorption plates to fixedly connect one end of each of the two adjacent adsorption plates.

In one embodiment, the connecting member is a rivet, and the plurality of adsorption plates are sequentially riveted by the rivet.

In one embodiment, the adsorption plate is provided with a plurality of vent holes.

In one embodiment, the centers of the ventilation holes on two adjacent adsorption plates are arranged on different planes perpendicular to the axial direction of the chamber.

In one embodiment, the centers of the vent holes on two adjacent adsorption plates arranged in parallel are arranged on different planes which are perpendicular to the adsorption plates and are parallel to the axial direction of the chamber.

In one embodiment, each of the adsorption plates includes a plurality of the vent holes, and the vent holes are arranged in at least one row along the axial direction, wherein the center of any one of the vent holes on one of the adsorption plates on two adjacent adsorption plates is arranged on a different plane perpendicular to the axial direction from the center of any one of the vent holes on the other adsorption plate.

In one embodiment, each of the adsorption plates includes a plurality of the vent holes, and the vent holes are arranged in at least one row along the axial direction, wherein the center of any one of the vent holes on one of the two adjacent adsorption plates arranged in parallel is arranged on a different plane perpendicular to the adsorption plate and parallel to the axial direction of the chamber from the center of any one of the vent holes on the other adsorption plate.

In one embodiment, a plurality of the vent holes are evenly distributed along the axial direction.

In one embodiment, the plurality of vent holes are arranged from one end of the adsorption plate to the other end of the adsorption plate in the axial direction.

In one embodiment, the vent holes are circular holes; preferably, the vent holes have the same diameter.

In one embodiment, the auxiliary adsorption means has a porous structure overlapped with and penetrating each other.

In one embodiment, the auxiliary adsorption mechanism is made of a porous structure material having electret properties.

In one embodiment, the electric field unit assembly further comprises a top plate and a bottom plate respectively connected to and sealing the top and bottom ends of the electric field unit.

In one embodiment, the electric field unit assembly further includes an end plate and a reinforcement member disposed on an outer surface of the auxiliary adsorption mechanism and fixedly connected to the end plate.

In one embodiment, the electric field unit constitutes a cathode or an anode of the electric field.

In one embodiment, the adsorption electrode is formed by the electric field unit assembly of any one of the embodiments, and the discharge electrode is formed by a conductor disposed in at least one of the chambers.

In one embodiment, the discharge electrodes are constituted by conductors arranged in each of the chambers and extending in an axial direction of the chamber.

In one embodiment, the discharge electrode is formed by a conductor passing through a longitudinal centerline of the chamber, preferably the chamber has a cross-section of a regular polygon, the discharge electrode passing through a center of an inscribed circle of the cross-section.

In one embodiment, at least two discharge electrodes are arranged in at least one chamber.

In one embodiment, the electric field unit is composed of a plurality of adsorption plates, the chamber is formed between at least two adsorption plates, and the distance between each adsorption plate and each discharge electrode is equal.

In one embodiment, at least two of the discharge electrodes are uniformly distributed within the chamber along a transverse centerline of the chamber.

Drawings

FIG. 1A is a schematic top view of an electric field unit assembly according to one embodiment of the present invention;

FIG. 1B is an exploded perspective view of the electric field unit assembly of FIG. 1A;

FIG. 2 is a top exploded view of the electric field unit assembly of one embodiment of the present invention;

FIG. 3 is a schematic exploded perspective view of an electric field device in accordance with one embodiment of the present invention;

figure 4 is a schematic top cross-sectional view of an electric field apparatus according to one embodiment of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the present invention, but are merely intended to illustrate the spirit of the technical solution of the present invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the purposes of clearly illustrating the structure and operation of the present invention, directional terms will be used, but terms such as "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be construed as words of convenience and should not be construed as limiting terms.

According to an aspect of the present invention, there is provided an electric field unit assembly comprising an electric field unit and an auxiliary attraction mechanism arranged on at least one side of the electric field unit and enclosing at least one chamber with the electric field unit, wherein the auxiliary attraction mechanism has a porous structure to fluidly communicate an exterior of the chamber with an interior of the chamber.

The electric field unit assembly may be used as a suction electrode of an electric field device. First, the auxiliary adsorption mechanism with a porous structure can filter out particles in a part of gas at the gas inlet end and/or the gas outlet end by means of physical filtration. Secondly, the discharge electrode of the electric field device carries out corona discharge and ionizes the gas in the cavity, so that the particles in the gas obtain charges, the charged particles move to the electric field unit and the auxiliary adsorption mechanism and are deposited in the electric field unit and the auxiliary adsorption mechanism, and when the gas enters in a direction which is not parallel to the electric field unit and/or the auxiliary adsorption mechanism, namely the gas entering direction is not perpendicular to the direction of ion flow in the electric field.

It should also be noted that, when the auxiliary adsorption mechanism is made of a porous material with an electret property, the auxiliary adsorption mechanism is arranged in an active electric field formed by the discharge electrode and the electric field unit, that is, the auxiliary adsorption mechanism is arranged in space charge generated between the discharge electrode and the electric field unit due to corona discharge, the space charge can enter the auxiliary adsorption mechanism with the electret property and then electrizes the auxiliary adsorption mechanism, the auxiliary adsorption mechanism behind the electret can form an electret electric field in the surrounding space, and the electrostatic adsorption effect of the electret electric field can be used for enhancing the purification of the particles. When the active electric field disappears suddenly, the electret electric field does not disappear, and the purification of the particles can be continued. According to the invention, the double electric fields of the electret electric field and the active electric field are utilized to remove particles, so that the dust removal efficiency is improved.

It should be further noted that the centers of the vent holes on two adjacent adsorption plates in the same chamber are arranged on different planes perpendicular to the axial direction of the chamber, so that the flow direction of the gas in the chamber can be disordered, the retention time of the gas in an electric field is further increased, the frequency of contact with a discharge electrode at a short distance is increased, and the charging efficiency and the charging quantity of particles are improved; and when the gas forms a cyclone flow direction, the separation of large particles is facilitated, and the two points are integrated, so that the dust removal efficiency is effectively improved. In addition, a plurality of adsorption plates are connected in sequence through connecting pieces and form an electric field unit, the adsorption plates connected by the connecting pieces can be used for not only realizing standardized and batched production, and are convenient to process and high in efficiency, but also have the advantages of simple assembly and detachable packaging and transportation.

The particulate matter in the present invention includes, but is not limited to, solid particles, liquid droplets, solid particles with liquid attached thereto, aerosol, plasma state solid particles or liquid droplets, and the like, and may also be microorganisms such as bacteria, fungi, and the like.

Fig. 1A is a schematic top view of an electric field unit assembly according to an embodiment of the present invention, the electric field unit assembly 1000 includes an electric field unit 1100 and an auxiliary adsorption mechanism 1200, the auxiliary adsorption mechanism 1200 is disposed on at least one side of the electric field unit 1100 and encloses at least one chamber with the electric field unit 1100, wherein the auxiliary adsorption mechanism 1200 has a porous structure to fluidly communicate the outside of the chamber with the inside of the chamber.

Referring to fig. 1A, the auxiliary suction mechanism 1200 includes a first auxiliary suction mechanism 1210 and a second auxiliary suction mechanism 1220, the first auxiliary suction mechanism 1210 and the second auxiliary suction mechanism 1220 are oppositely disposed and form an interlayer space 1230, the electric field unit 1100 is disposed in the interlayer space 1230, and preferably, the first auxiliary suction mechanism 1210 and the second auxiliary suction mechanism 1220 are oppositely disposed in parallel. In other embodiments, the electric field unit assembly may include a plurality of auxiliary adsorption mechanisms, the plurality of auxiliary adsorption mechanisms may be arranged in parallel to each other to form a plurality of interlayer spaces, and the electric field unit is arranged in the plurality of interlayer spaces and encloses at least one chamber with the auxiliary adsorption mechanisms; in addition, a plurality of auxiliary adsorption mechanisms may be arranged together in a non-parallel manner according to conditions of an actual storage space or other factors and enclose at least one chamber with the electric field unit.

Referring to fig. 1A, a is an air inlet direction, B is an air outlet direction, the first auxiliary adsorption mechanism 1210 is located at an air outlet end of the electric field unit assembly 1000, the second auxiliary adsorption mechanism 1220 is located at an air inlet end of the electric field unit assembly 1000, the first auxiliary adsorption mechanism 1210 and the second auxiliary adsorption mechanism 1220 have a porous structure to fluidly communicate the outside of the 7 chambers with the inside, and the auxiliary adsorption mechanism 1200 of the porous structure may filter out particles in a portion of air at the air inlet end and/or the air outlet end by means of physical filtration. In other embodiments, the auxiliary adsorption mechanism may be disposed only at the air inlet end or the air outlet end, that is, the electric field unit assembly may only have the first auxiliary adsorption mechanism or the second auxiliary adsorption mechanism.

Referring to fig. 1A, the electric field unit 1100, the first auxiliary adsorption mechanism 1210 and the second auxiliary adsorption mechanism 1220 enclose 7 chambers, the structures of the first chamber 1110, the second chamber 1120 and the third chamber 1130 are taken as an example for description, and the structures of the other chambers are similar to each other. In this embodiment, the electric field unit 1100 is formed by a plurality of adsorption plates and forms a relief structure, and the process of forming the electric field unit with the relief structure by splicing the adsorption plates is convenient to process and high in efficiency, and can be produced in a standardized and batch manner. The first adsorption plate 1101, the second adsorption plate 1102 and the second auxiliary adsorption mechanism 1220 enclose a first chamber 1110, the first adsorption plate 1101, the third adsorption plate 1103 and the first auxiliary adsorption mechanism 1210 enclose a second chamber 1120, and the second adsorption plate 1102, the fourth adsorption plate 1104 and the first auxiliary adsorption mechanism 1210 enclose a third chamber 1130. Two adjacent adsorption plates are connected with each other to form an included angle, the included angle ranges from 30 ° to 90 °, preferably 60 °, that is, the first adsorption plate 1101 and the second adsorption plate 1102 are connected with each other to form an included angle, the first adsorption plate 1101 and the third adsorption plate 1103 are connected with each other to form an included angle, and the second adsorption plate 1102 and the fourth adsorption plate 1104 are connected with each other to form an included angle, the included angle ranges from 30 ° to 90 °, preferably 60 °. In addition, the first and

second adsorption plates

1101 and 1102 form a first peak 1301, the first and

third adsorption plates

1101 and 1103 form a first valley 1302, and the second and

fourth adsorption plates

1102 and 1104 form a second valley 1303, that is, a first chamber 1110 is formed between the first and

second valleys

1302 and 1303 and the first peak 1301. Similarly, the fourth and

fifth adsorption plates

1104, 1105 form the second peak portion 1304, that is, the third cavities 1130 are formed between the first and

second peak portions

1301, 1304 and the second valley portion 1303. It will be understood by those skilled in the art that in other embodiments, the electric field unit may be formed of an adsorption plate, and the adsorption plate may be bent according to the shape and structure of the actually formed chamber through a process such as 3D printing or casting. In other embodiments, the number of the chambers in the electric field unit assembly is not limited thereto, and the number of the chambers may be adjusted according to the actual amount of the gas air to be purified, and the arrangement manner of the plurality of chambers may be that the plurality of chambers are adjacently arranged and/or not adjacently arranged in any direction of up, down, left, right, front and back. In this embodiment, the 7 chambers are identical in structure and shape for easy manufacturing, however, in other embodiments, the plurality of chambers may be different in structure and size or may be partially identical according to the storage condition of the apparatus space or other factors.

Referring to fig. 1A, the adsorption plates respectively have a main body and folded edges formed by bending the main body along two axially parallel ends of the chamber, and the connecting members are disposed at the folded edges of two adjacent adsorption plates to fixedly connect one ends of the two adjacent adsorption plates. Because the adsorption plate connected by the connecting piece can realize standardized and batched production, the processing is convenient, the efficiency is high, and the connecting piece connection has the advantages of simple assembly and detachable packaging and transportation. The configuration of the first adsorption plate 1101, the second adsorption plate 1102, and the third adsorption plate 1103 will be described as an example, and the configuration of the other adsorption plates will be analogized. The first adsorption plate 1101 has a first adsorption plate main body 11011, and a first adsorption plate left flange portion 11012 and a first adsorption plate right flange portion 11013 which are respectively bent from both ends of the first adsorption plate main body 11011, the second adsorption plate 1102 has a second adsorption plate main body 11021, and a second adsorption plate left flange portion 11022 and a second adsorption plate right flange portion 11023 which are respectively bent from both ends of the second adsorption plate main body 11021, and the third adsorption plate 1103 has a third adsorption plate main body 11031, and a third adsorption plate left flange portion 11032 and a third adsorption plate right flange portion 11033 which are respectively bent from both ends of the third adsorption plate main body 11031. The first adsorption plate left flange portion 11012 and the first adsorption plate right flange portion 11013 are parallel to each other and form an angle of about 120 ° with the first adsorption plate main body 11011, the second adsorption plate left flange portion 11022 and the second adsorption plate right flange portion 11023 are parallel to each other and form an angle of about 120 ° with the second adsorption plate main body 11021, and the third adsorption plate left flange portion 11032 and the third adsorption plate right flange portion 11033 are parallel to each other and form an angle of about 120 ° with the third adsorption plate main body 11031. It should be noted that "left" and "right" are only used to distinguish the two folded edges, and do not constitute a limitation on the orientation.

Referring to fig. 1A, the folded edge portion of each absorption plate extends along the axial direction of the chamber, and the folded edge portions of two adjacent absorption plates are aligned and matched and connected by the connection member 1400, so that one end of two adjacent absorption plates is fixedly connected by the folded edge portion and the connection member 1400, in this embodiment, two adjacent absorption plates and at least a portion of at least one auxiliary absorption mechanism form at least one chamber having a trilateral cross section, and the trilateral cross sections of two adjacent chambers are arranged upside down, the cross sections are cross sections perpendicular to the axial direction of the chamber, for example, the first chamber 1110, the second chamber 1120 and the third chamber 1130 have chambers having trilateral cross sections, and the first chamber 1110 and the second chamber 1120 or the third chamber 1130 have trilateral cross sections arranged in opposite directions, and the second chamber 1120 and the third chamber 1130 have a triangular cross section arranged in the same direction, specifically, two adjacent adsorption plates are connected to each other to form an included angle, the included angle ranges from 30 ° to 90 °, and preferably is 60 °, that is, the first adsorption plate main body 11011 and the second adsorption plate main body 11021 are connected to each other to form an included angle, the first adsorption plate main body 11011 and the third adsorption plate main body 11031 are connected to each other to form an included angle, and the second adsorption plate main body 11021 and the fourth adsorption plate main body 11041 are connected to each other to form an included angle, the included angle ranges from 30 ° to 90 °, and preferably is 60 °. A plurality of through holes arranged along the extending direction of the chamber are respectively arranged on each edge folding part, and the connecting piece 1400 is arranged in the through holes in a penetrating manner and is fixed, so that one end of each adjacent adsorption plate is fixedly connected. Preferably, each hem portion is provided with a through hole along both ends of the chamber. Preferably, the through hole connecting piece arranged at the end part of each flanging part can be a rivet, a screw and the like, and two adjacent adsorption plates are connected through rivet connection, bolt connection, screw connection and the like. In this embodiment, two adjacent lateral walls are riveted in turn through the rivet, and the riveted leakproofness is better. The configuration of the first adsorption plate 1101, the second adsorption plate 1102, and the third adsorption plate 1103 will be described as an example, and the configuration of the other adsorption plates will be analogized. The first adsorption plate right folding edge portion 11013 and the second adsorption plate left folding edge portion 11022 are aligned with each other, and the first adsorption plate 1101 and the second adsorption plate 1102 are fixedly connected by inserting the connecting piece 1400 through the first adsorption plate right folding edge portion 11013 and the second adsorption plate left folding edge portion 11022; the first absorption plate left flange portion 11012 and the third absorption plate right flange portion 11033 are aligned with each other, and the first absorption plate 1101 and the third absorption plate 1103 are fixedly connected by inserting the connection member 1400 through the first absorption plate left flange portion 11012 and the third absorption plate right flange portion 11033.

Fig. 1B is an exploded view of the electric field unit assembly of fig. 1A, which illustrates the structures of the first chamber 1110 and the third chamber 1130, and so on. The first adsorption plate 1101, the second adsorption plate 1102 and the second auxiliary adsorption mechanism 1220 enclose a first chamber 1110, the second adsorption plate 1102, the fourth adsorption plate 1104 and the first auxiliary adsorption mechanism 1210 enclose a third chamber, the first adsorption plate 1101, the second adsorption plate 1102 and the fourth adsorption plate 1104 are provided with a plurality of vent holes 1500, the centers of the vent holes 1500 on two adjacent adsorption plates are arranged on different planes perpendicular to the axial direction of the chambers, that is, the center of the first vent hole 1510 on the first adsorption plate 1101 and the center of the second vent hole 1520 on the second adsorption plate 1102 are arranged on different planes perpendicular to the axial direction of the first chamber 1110, and the center of the second vent hole 1520 on the second adsorption plate 1102 and the center of the third vent hole 1530 on the fourth adsorption plate are arranged on different planes perpendicular to the axial direction of the third chamber 1130. Preferably, each adsorption plate comprises a plurality of vent holes, the vent holes are arranged in at least one row along the axial direction, and the hole center of any vent hole on one adsorption plate on two adjacent adsorption plates is arranged on a different plane perpendicular to the axial direction from the hole center of any vent hole on the other adsorption plate. In the present embodiment, the centers of the first ventilating holes 1510 on the first adsorption plate 1101 and the third ventilating holes 1530 on the fourth adsorption plate 1104 are disposed on the same plane perpendicular to the axial direction of the chamber, however, in other embodiments, the centers of the first ventilating holes 1510 on the first adsorption plate 1101 and the third ventilating holes 1530 on the fourth adsorption plate 1104 may be disposed on different planes perpendicular to the axial direction of the chamber. In this embodiment, the first ventilation holes 1510 on the first adsorption plate 1101 are uniformly distributed in two rows in the axial direction and are arranged from one end of the first adsorption plate 1101 to the other end of the first adsorption plate 1101, the second ventilation holes 1520 on the second adsorption plate 1102 are uniformly distributed in two rows in the axial direction and are arranged from one end of the second adsorption plate 1102 to the other end of the second adsorption plate 1102, and the third ventilation holes 1530 on the fourth adsorption plate 1104 are uniformly distributed in two rows in the axial direction and are arranged from one end of the fourth adsorption plate 1104 to the other end of the fourth adsorption plate 1104. In the present embodiment, the first, second, and

third vent holes

1510, 1520, and 1530 are circular holes having the same diameter, and in other embodiments, the vent holes may be elliptical holes, triangular holes, quadrangular holes, or pentagonal holes; the diameters of the vent holes on different adsorption plates can be different, but the requirement is to ensure that gas can not be directly discharged out of the chamber through the vent holes without blocking, namely if two adsorption plates of the same chamber are overlapped together, the vent holes on different adsorption plates can not be completely overlapped or the vent hole on one adsorption plate completely contains the condition of the vent hole on the adsorption plate adjacent to the vent hole, so that the gas can be blocked when flowing, the gas flow flows into one adsorption plate and flows out from the vent holes on other adsorption plates of the same chamber, the gas flow changes the direction and even forms a cyclone path in the chamber, and then is discharged out of the chamber through the vent holes.

Referring to FIG. 1B, the gas flows of the first and

third chambers

1110, 1130 are taken as an example, and the gas flows of the other electric field units are analogized. The gas enters the first chamber 1110 through the porous structure of the second auxiliary mechanism 1220, then enters the third chamber through the second venting hole 1520, and finally enters the fourth chamber 1140 through the third venting hole 1530 or is discharged through the first auxiliary adsorption mechanism 1210. Because the centers of the second ventilating holes 1520 and the third ventilating holes 1530 are arranged on different planes which are perpendicular to the axial direction of the third chamber 1130, the gas flowing direction of the gas passing through the third chamber 1130 is disordered, the residence time of the gas in the two chambers is further increased, the frequency of contact with the discharge electrodes at a short distance is increased, the closer the place to the discharge electrodes is, the higher the gas ionization efficiency is, and the particulate matter charging efficiency and the charging quantity are improved; and when the gas forms a cyclone flow direction, the separation of large particles is facilitated, and the two points are integrated, so that the dust removal efficiency is effectively improved. In this embodiment, because the adsorption plate of every cavity all can set up the air vent, the air vent on the different adsorption plates of same cavity is arranged on the different planes with the axial vertically of cavity, leads to the gas of every cavity can derive from a plurality of adjacent cavities, also can flow to a plurality of adjacent cavities, and gas flow direction is highly disorderly, and the near air current of discharge electrode becomes many, has increased particulate matter electrification efficiency and the electrified volume in the gas, has improved dust collection efficiency.

Referring to fig. 1B, the auxiliary adsorption mechanism 1200 is made of a 60-mesh ptfe film, and since ptfe is an electret material, the auxiliary adsorption mechanism 1200 is disposed in an active electric field formed by a discharge electrode and an electric field unit, that is, the auxiliary adsorption mechanism 1200 is disposed in a space charge between the discharge electrode and the electric field unit generated by corona discharge, the space charge can enter the auxiliary adsorption mechanism 1200 with electret performance and further electret the auxiliary adsorption mechanism 1200, the auxiliary adsorption mechanism 1200 after electret can form an electret electric field in a surrounding space, and the electrostatic adsorption effect of the electret electric field can be used to enhance the purification of particulate matter. When the active electric field disappears suddenly, the electret electric field does not disappear, and the purification of the particles can be continued. According to the invention, the double electric fields of the electret electric field and the active electric field are utilized to remove particles, so that the dust removal efficiency is improved. In other embodiments, the pore size of the auxiliary adsorption mechanism can also be selected from one or more of 40-100 meshes, the finer the pore size, the larger the wind resistance of the gas and the larger the energy consumption, and preferably, the pore size of the auxiliary adsorption mechanism can also be selected from one or more of 40-80 meshes; or the porous structure can be formed by combining a plurality of layers of films, and the porous structures are mutually overlapped and communicated. In other embodiments, the material of the auxiliary adsorption mechanism may be selected from one or more of a conductive material or an electret material, wherein the conductive material can be selected from one or more of metals or alloys, the electret material can be selected from inorganic compounds with electret properties and/or organic compounds with electret properties, the inorganic compound is selected from one or more of silicon dioxide, barium titanate, lead zirconate titanate, zinc oxide, tantalum oxide, aluminum oxide, titanium oxide and silicon nitride, the organic compound is selected from one or more of fluorocarbon polymer, polycarbonate, polypropylene, polyethylene, polyvinyl chloride, natural wax, resin and rosin, the fluorocarbon polymer is selected from one or more of polytetrafluoroethylene, polyvinylidene fluoride, fluorinated ethylene propylene, soluble fluorinated ethylene propylene and soluble polytetrafluoroethylene.

Referring to fig. 1B, the electric field unit assembly 1000 further includes top and bottom plates (not shown) respectively connected to the top and bottom ends of the electric field unit and sealing the top and bottom of the chamber. Preferably, the electric field unit assembly 1000 further includes an end plate 1600 and a reinforcement 1700, the reinforcement 1700 being disposed on an outer surface of the auxiliary adsorption mechanism 1200 and fixedly connected to the end plate 1600.

Fig. 2 is a schematic top-view exploded view of an electric field unit assembly according to an embodiment of the present invention, the electric field unit assembly 3000 includes an electric field unit 3100 and an auxiliary adsorption mechanism 3200, the auxiliary adsorption mechanism 3200 is disposed on at least one side of the electric field unit 3100 and surrounds the electric field unit 3100 to form at least one chamber, wherein the auxiliary adsorption mechanism 3200 has a porous structure to fluidly communicate the outside of the chamber with the inside of the chamber. The auxiliary adsorption mechanism includes a first auxiliary adsorption mechanism 3210 and a second auxiliary adsorption mechanism 3220, and the auxiliary adsorption mechanism 3200 is made of a 60-mesh teflon film. The electric field unit 3100, the first auxiliary adsorption mechanism 3210 and the second auxiliary adsorption mechanism 3220 enclose 4 chambers, and the structures of the first chamber 3110, the second chamber 3120 and the third chamber 3130 are exemplified, and the structures of the other chambers are analogized. The same parts of the electric field unit are not described again, and only the differences will be described in this embodiment.

Referring to fig. 2, the electric field unit 3100 is formed of a plurality of adsorption plates to form a relief structure, and the process of forming the electric field unit having the relief structure by splicing the plurality of adsorption plates is convenient to process and efficient, and can be produced in a standardized and batch manner. The first adsorption plate 3101, the second adsorption plate 1102, the third adsorption plate 3103 and the second auxiliary adsorption mechanism 3220 enclose a first chamber 3110, the first adsorption plate 1101, the fourth adsorption plate 3103, the fifth adsorption plate 3105 and the first auxiliary adsorption mechanism 3210 enclose a second chamber 3120, and the third adsorption plate 3103, the sixth adsorption plate 3106, the seventh adsorption plate 3107 and the first auxiliary adsorption mechanism 3210 enclose a third chamber 3130. Two adjacent adsorption plates are connected with each other to form a certain included angle, the included angle ranges from 90 degrees to 179 degrees, preferably, the included angle is 120 degrees, and the included angle is the included angle between the adsorption plate and the adsorption plate, but not the included angle formed by the straight line where the adsorption plate and the adsorption plate are located. The first absorption plate 3101 and the second absorption plate 3102 are connected to each other to form an included angle, the second absorption plate 3102 and the third absorption plate 3103 are connected to each other to form an included angle, and the third absorption plate 3103 and the sixth absorption plate 3106 are connected to each other to form an included angle, which is in the range of 90 ° to 179 °, preferably 120 °. First suction plate 3101, second suction plate 1102 and third suction plate 3103 form first peak 3301, first suction plate 1101, fourth suction plate 3103 and fifth suction plate 3105 form first valley 3302, third suction plate 3103, sixth suction plate 3106 and seventh suction plate 3107 form second valley 3303, that is, first cavity 3110 is formed between first valley 3302, second valley 3303 and first peak 3301. Similarly, the seventh adsorption plate 3107, the eighth adsorption plate 3108 and the ninth adsorption plate 3109 form second peak portions 3304, that is, third cavities 3130 are formed between the first and

second peak portions

3301, 3304 and the second valley portions 3303. It will be understood by those skilled in the art that in other embodiments, the electric field unit may be formed of an adsorption plate, and the adsorption plate may be bent according to the shape and structure of the actually formed chamber through a process such as 3D printing or casting. In other embodiments, the number of the chambers in the electric field unit assembly is not limited thereto, and the number of the chambers may be adjusted according to the actual amount of the gas air to be purified, and the arrangement manner of the plurality of chambers may be that the plurality of chambers are adjacently arranged and/or not adjacently arranged in any direction of up, down, left, right, front and back. In this embodiment, the 4 chambers are identical in structure and shape for easy manufacturing, however, in other embodiments, the plurality of chambers may be different in structure and size or may be partially identical according to the storage condition of the apparatus space or other factors. Referring to fig. 2, two rows of vent holes are uniformly formed in the first, third, fifth, seventh and

ninth adsorption plates

3101, 3103, 3105, 3107 and 3109, and the second, fourth, sixth and

eighth adsorption plates

3102, 3104, 3106 and 3108 have no vent holes, so that the gas can be exhausted after passing through at least two chambers, for example, the gas enters the first chamber 3110 from the second auxiliary mechanism 3220, enters the second chamber 3120 or the third chamber 3130 through the first adsorption plate 3101 or the third adsorption plate 3103, and then a part of the gas is directly exhausted from the first auxiliary adsorption mechanism 3210, and a part of the gas enters other chambers and then is exhausted from the first auxiliary adsorption mechanism 3210. The design can cause the gas in the electric field unit component to be highly disordered, further increase the retention time of the gas in the chamber and improve the dust removal efficiency.

Fig. 3 is a schematic perspective exploded view of an electric field device according to an embodiment of the present invention, the electric field device 2000 includes an absorption electrode 2100 and a discharge electrode 2200, wherein the absorption electrode 2100 is composed of an electric field unit assembly, so the absorption electrode 2100 may also be referred to as the electric field unit assembly 2100, the electric field unit assembly 2100 includes an electric field unit 2110 and an auxiliary absorption mechanism 2120, the auxiliary absorption mechanism includes a first auxiliary absorption mechanism 2121 and a second auxiliary absorption mechanism 2122, the first auxiliary absorption mechanism 2121 and the second auxiliary absorption mechanism 2122 are oppositely disposed and form an interlayer space 2123, the electric field unit 2110 is disposed in the interlayer space 2123, the auxiliary absorption mechanism 2120 and the electric field unit 2110 enclose at least one chamber, wherein the auxiliary absorption mechanism 2120 has a porous structure to fluidly connect the outside of the chamber with the inside of the chamber, and wherein the auxiliary absorption mechanism 2120 is composed of a 60-mesh teflon film. The same parts of the electric field unit are not described again, and only the differences will be described in this embodiment.

Referring to fig. 3, the electric field unit 2110 is formed of a plurality of adsorption plates, and the electric field unit 2110, the first auxiliary adsorption mechanism 2121 and the second auxiliary adsorption mechanism 2122 enclose 8 chambers, and the configuration of the first chamber 2310 will be described as an example, and the configurations of the other chambers will be similarly described. Two adjacent adsorption plates are arranged in parallel, that is, the first adsorption plate 2111 and the second adsorption plate 2112 are arranged in parallel, and enclose a first chamber 2310 with the first auxiliary adsorption mechanism 2121 and the second auxiliary adsorption 2122, and the first chamber 2310 has a quadrangular cross section, which is perpendicular to the axial direction of the first chamber 2310. In other embodiments, the adsorption plates of the electric field unit are not parallel, and the electric field unit and the auxiliary adsorption mechanism may also enclose a chamber having a polygonal cross section, the cross section direction of the chamber is perpendicular to the axial direction of the chamber, the polygon may be a pentagon, a hexagon, etc., and preferably, the cross section of the chamber is a regular polygon. In other embodiments, the number of the chambers in the electric field unit assembly is not limited thereto, and the number of the chambers may be adjusted according to the actual amount of the gas air to be purified, and the arrangement manner of the plurality of chambers may be that the plurality of chambers are adjacently arranged and/or not adjacently arranged in any direction of up, down, left, right, front and back. In this embodiment, the structure and shape of the 8 chambers are the same for the convenience of production, however, in other embodiments, the structure and size of the chambers may be different or partially the same according to the storage condition of the device space or other factors.

Referring to fig. 3, in this embodiment, the adsorption plate of the electric field unit 2110 is not provided with a vent hole, that is, the gases in different chambers cannot flow through each other, the gas in each chamber enters the chamber through the auxiliary adsorption mechanism, and then is discharged from the chamber through the auxiliary adsorption mechanism, so that the resistance to the flow of the gas flow is reduced, the energy consumption can be reduced, and the ventilation volume can be increased.

Referring to fig. 3, a discharge electrode 2200 is formed of a conductor disposed in each chamber and extending in an axial direction of the chamber, and in other embodiments, a discharge electrode may be disposed in a portion of the chamber. In this embodiment, the chamber has a quadrangular cross section, and the discharge electrode passes through a longitudinal center line of the chamber, which is a line extending in the axial direction of the chamber and passing through an intersection point of a long-side symmetry axis and a short-side symmetry axis of the rectangular cross section. However, in other embodiments, the cross-section of the chamber may be other polygonal shapes, with the discharge electrodes passing through a longitudinal centerline of the chamber, the longitudinal centerline being a line extending in the axial direction of the chamber and passing through a midpoint of the polygonal cross-section, e.g., when the cross-section of the chamber is triangular, the longitudinal centerline being a line extending in the axial direction of the chamber and passing through an intersection of bisectors of the angles of the triangular cross-section. Preferably, when the cross section of the chamber is a regular polygon, the discharge electrode passes through the center of a circle inscribed in the cross section, for example, the cross section of the chamber is a regular triangle, and the discharge electrode preferably passes through the center of a circle inscribed in the cross section, where the discharge efficiency is highest. It will be appreciated by those skilled in the art that the discharge electrodes may be disposed slightly off-center from the longitudinal centerline of the chamber or the center of the cross-sectional inscribed circle due to practical processing conditions. The cross-sectional direction is perpendicular to the axial direction of the chamber.

In this embodiment, the discharge electrode 2200 is an elongated needle-like conductor, but in other embodiments, the discharge electrode may be a polygonal, burr-like, screw-rod-like, or columnar conductor. In this embodiment, the diameter of the discharge electrode 2200 is 0.1-10mm, and preferably, the diameter of the discharge electrode 2200 is 0.2-5 mm. In one embodiment, the discharge electrode 2200 is in the shape of a long and thin strip and made of any one of 304 stainless steel, titanium, tungsten, iridium, and preferably iridium.

Referring to fig. 3, the electric field unit 2110 is electrically connected to one electrode of a power source, the discharge electrode 2200 is electrically connected to another electrode of the power source, the electric field unit 2110 and the discharge electrode 2200 form an active electric field, preferably, the electric field unit 2110 is electrically connected to an anode of the power source, the discharge electrode 2200 is electrically connected to a cathode of the power source, that is, the electric field unit 2110 is an anode, and the discharge electrode 2200 is a cathode. However, in other embodiments, the electric field unit 2110 may also be electrically connected to the cathode of the power source, and the discharge electrode 2200 is electrically connected to the anode of the power source, i.e. the electric field unit 2110 is the cathode and the discharge electrode 2200 is the anode. When the electric field unit 2110 is electrically connected to an anode of a power source and the discharge electrode 2200 is electrically connected to a cathode of the power source, the auxiliary absorption mechanism 2120 with an electret property is disposed in an active electric field formed by the discharge electrode and the electric field unit, that is, the auxiliary absorption mechanism 2120 is disposed in space charge generated between the discharge electrode and the electric field unit due to corona discharge, the space charge can enter the auxiliary absorption mechanism 2120 with an electret property to electret the auxiliary absorption mechanism 2120, and the auxiliary absorption mechanism 2120 after the electret can form an electret electric field in a surrounding space. When the gas enters or exits the chamber through the auxiliary adsorbing mechanism 2120, the auxiliary adsorbing mechanism 2120 can not only filter out a part of particles in the gas at the gas inlet end and/or the gas outlet end by means of physical filtration, but also can enhance the purification of the particles in the gas by using the electrostatic adsorption effect of the electret electric field, and as the discharge electrode 2200 discharges and ionizes, the particles in the gas get negative charges, and the negatively charged particles move to the electric field unit 2110 and/or the auxiliary adsorbing mechanism 2120 and deposit on the electric field unit 2110 and/or the auxiliary adsorbing mechanism 2120. When the active electric field disappears suddenly, the electret electric field does not disappear, and the auxiliary adsorption mechanism 2120 can also continue to purify the particles. According to the invention, the double electric fields of the electret electric field and the active electric field are utilized to remove particles, so that the dust removal efficiency is improved.

Fig. 4 is a schematic top sectional view of an electric field apparatus according to the present invention, the electric field apparatus 4000 comprises a sorption pole 4100 and a discharge pole 4200, wherein the sorption pole 4100 is composed of an electric field unit assembly, so the sorption pole 4100 may also be referred to as the electric field unit assembly 4100, the electric field unit assembly 4100 comprises an electric field unit 4110 and an auxiliary sorption mechanism 4120, the auxiliary sorption mechanism comprises a first auxiliary sorption mechanism 4121 and a second auxiliary sorption mechanism 4122, the first auxiliary sorption mechanism 4121 and the second auxiliary sorption mechanism 4122 are oppositely arranged and form a sandwiched space, the electric field unit 4110 is arranged in the sandwiched space, the auxiliary sorption mechanism 4120 and the electric field unit 4110 enclose at least one chamber, wherein the auxiliary sorption mechanism 4120 has a porous structure to fluidly communicate the outside of the chamber with the inside of the chamber, wherein the auxiliary sorption mechanism 4120 is composed of a 60-mesh teflon film. The electric field unit, the discharge electrode or the electric field device are the same as those described above, and the description of the embodiment only describes the differences.

Referring to fig. 4, the electric field unit 4110 is composed of two adsorption plates, a first adsorption plate 4111 and a second adsorption plate 4112 are arranged in parallel, and enclose a chamber 4310 with a first auxiliary adsorption mechanism 4121 and a second auxiliary adsorption 4122, and the chamber 4310 has a quadrangular cross section, which is perpendicular to an axial direction of the chamber 4310. In this embodiment, the first auxiliary suction mechanism 4121 and the second auxiliary suction mechanism 4122 are arranged in parallel, and the first suction plate 4111 and the second suction plate 4112 form an included angle β with the first auxiliary suction mechanism 4121 and the second auxiliary suction mechanism 4122, where β is greater than 0 ° and less than or equal to 90 °, that is, the chamber 4310 has a parallelogram or rectangular cross section.

Referring to fig. 4, the first adsorption plate 4111 is provided with a first vent hole 4131 and a second vent hole 4132, the second adsorption plate 4112 is provided with a third vent hole 4133 and a fourth vent hole 4134, and the centers of the vent holes in the two adjacent parallel adsorption plates 4110 are arranged on different planes perpendicular to the adsorption plates 4110 and parallel to the axial direction of the chamber 4310, which are planes along the direction of the arrow M in this embodiment. For example, the third vent hole 4133 and the first vent hole 4131 are disposed on different planes perpendicular to the adsorption plate 4110 and parallel to the axial direction of the chamber 4310, and the third vent hole 4133 and the second vent hole 4132 are disposed on different planes perpendicular to the adsorption plate 4110 and parallel to the axial direction of the chamber 4310. In other embodiments, each of the adsorption plates comprises a plurality of vent holes, the vent holes are arranged in at least one column along the axial direction, wherein the hole center of any vent hole on one adsorption plate and the hole center of any vent hole on the other adsorption plate on two adjacent adsorption plates arranged in parallel are arranged on different planes which are perpendicular to the adsorption plates and are parallel to the axial direction of the chamber.

Referring to fig. 4, dotted arrows are schematic paths of the part of gas, because the third vent hole 4133 and the second vent hole 4132 are arranged on different planes which are perpendicular to the adsorption plate 4110 and are axially parallel to the chamber 4310, the part of gas enters the chamber 4310 from the third vent hole 4133, passes through the first adsorption plate 4111 and the second adsorption plate 4112 to block turbulent flow at least twice, and is finally discharged from the second vent hole 4132, the gas flow direction is more turbulent, the residence time of the gas in the chamber is further increased, the frequency of contact with a discharge electrode at a short distance is increased, the closer the discharge electrode is, the higher the gas ionization efficiency is, the higher the particulate matter electrification efficiency and the electrification amount are improved, and the dust removal efficiency is effectively improved.

Referring to fig. 4, in the present embodiment, a discharge electrode 4200 passes through a longitudinal center line of a chamber, which is a line extending in an axial direction of a chamber 4310 and passing through an intersection of a long side symmetry axis and a short side symmetry axis of a parallelogram or rectangular section, where a discharge efficiency is highest. However, in other embodiments, at least two discharge electrodes are arranged within at least one chamber; preferably, the electric field unit is composed of a plurality of adsorption plates, a cavity is formed between at least two adsorption plates, and the distance between at least two discharge electrodes and each adsorption electrode forming the cavity is equal, so that the design is favorable for further increasing the discharge efficiency; more preferably, the at least two discharge electrodes are evenly distributed within the chamber along a transverse centerline of the chamber. Referring to fig. 4, since the chamber 4310 has a parallelogram or rectangular cross section, the intersection points of the first adsorption plate 4111 and the second adsorption plate 4112 with the first auxiliary adsorption mechanism 4121 and the second auxiliary adsorption mechanism 4122 are a, b, c, and d, respectively, and the lateral center line is a connection line between the midpoint of the line segment ab and the midpoint of the line segment cd, or between the midpoint of the line segment ac and the midpoint of the line segment bd; wherein the short transverse center line is a connecting line of the midpoint of the line segment ab and the midpoint of the line segment cd, and the at least two discharge electrodes are uniformly arranged on the short transverse center line.

While the preferred embodiments of the present invention have been illustrated and described in detail, it should be understood that various changes and modifications of the invention can be effected therein by those skilled in the art after reading the above teachings of the invention. Such equivalents are intended to fall within the scope of the claims appended hereto.

Claims

1. An electric field unit assembly, characterized in that the electric field unit assembly comprises an electric field unit and an auxiliary adsorption mechanism, the auxiliary adsorption mechanism is arranged on at least one side of the electric field unit and encloses at least one chamber with the electric field unit, wherein the auxiliary adsorption mechanism has a porous structure to fluidly communicate the outside of the chamber with the inside of the chamber.

2. The electric field unit assembly according to claim 1, wherein the electric field unit is formed of a plurality of adsorption plates, at least two of which form the chamber therebetween.

3. The electric field unit assembly according to claim 1, wherein the auxiliary adsorption mechanism comprises a first auxiliary adsorption mechanism and a second auxiliary adsorption mechanism, the first auxiliary adsorption mechanism and the second auxiliary adsorption mechanism are oppositely arranged and form an interlayer space, and the electric field unit is arranged in the interlayer space.

4. The electric field unit assembly according to claim 3, wherein the electric field unit forms a relief structure and comprises peaks and valleys, the first auxiliary adsorbing mechanism is arranged adjacent to the peaks, the second auxiliary adsorbing mechanism is arranged adjacent to the valleys, and the chamber is arranged between two adjacent peaks or two adjacent valleys.

5. The electric field unit assembly as claimed in claim 4, wherein two of the absorption plates are connected to form the peak or the valley, and two adjacent absorption plates are connected to form an included angle, and the included angle is in a range of 30-90 °; preferably, the included angle is 60 °.

6. The electric field unit assembly as claimed in claim 4, wherein three of the absorption plates are connected in sequence to form the peak or the valley, and two adjacent absorption plates are connected to each other to form an included angle α, wherein α is greater than or equal to 90 ° and less than 180 °; preferably, α is 120 °.

7. The electric field unit assembly according to claim 3, wherein two adjacent adsorption plates are arranged in parallel and form at least one chamber with a quadrangular cross section extending along an axis of the chamber with at least a portion of the first and second auxiliary adsorption mechanisms.

8. The electric field unit assembly according to claim 7, wherein the adsorption plate forms an angle β with the first auxiliary adsorption mechanism and/or the second auxiliary adsorption mechanism, wherein β is greater than 0 ° < β ≦ 90 °.

9. The electric field unit assembly according to any one of claims 2 to 6, wherein a plurality of the adsorption plates are sequentially connected by a connection member and form the electric field unit.

10. The electric field unit assembly as claimed in claim 9, wherein each of the absorption plates has a main body and a folded portion formed by bending the main body along two axially parallel ends of the chamber, and the connection member is disposed on the folded portion of two adjacent absorption plates to fixedly connect one end of the two adjacent absorption plates.

11. The electric field unit assembly according to claim 9 or 10, wherein the connecting member is a rivet, and the plurality of adsorption plates are sequentially riveted by the rivet.

12. The field unit assembly according to any one of claims 1 to 11, wherein the adsorption plate is provided with a plurality of vent holes.

13. The electric field unit assembly according to claim 12, wherein the centers of the vent holes of two adjacent adsorption plates are arranged on different planes perpendicular to the axial direction of the chamber.

14. The electric field unit assembly according to claim 12, wherein the centers of the vent holes of two adjacent parallel absorption plates are arranged on different planes perpendicular to the absorption plates and parallel to the axial direction of the chamber.

15. The electric field unit assembly according to claim 13, wherein each of the absorption plates comprises a plurality of the ventilation holes, the plurality of the ventilation holes are arranged in at least one row along the axial direction, and the center of any one of the ventilation holes on one of the absorption plates and the center of any one of the ventilation holes on the other absorption plate on two adjacent absorption plates are arranged on different planes perpendicular to the axial direction.

16. The electric field unit assembly according to claim 14, wherein each of the adsorption plates comprises a plurality of the vent holes, the plurality of vent holes are arranged in at least one row along the axial direction, and the center of any one of the vent holes on one of the adsorption plates and the center of any one of the vent holes on the other adsorption plate on two adjacent adsorption plates arranged in parallel are arranged on different planes perpendicular to the adsorption plates and parallel to the axial direction of the chamber.

17. The electric field unit assembly defined in claim 15 or claim 16 wherein the plurality of ventilation apertures are evenly distributed along the axial direction.

18. The electric field unit assembly of claim 17, wherein a plurality of the vent holes are arranged axially from one end of the adsorption plate to the other end of the adsorption plate.

19. An electric field unit assembly according to any one of claims 12 to 18, wherein the vent holes are circular holes; preferably, the vent holes have the same diameter.

20. The electric field unit assembly according to any one of claims 1 to 19, wherein the auxiliary adsorption means has a porous structure which is overlapped with and penetrates each other.

21. The electric field unit assembly according to any one of claims 1 to 20, wherein the auxiliary adsorption mechanism is made of a porous structure material having electret properties.

22. The electric field unit assembly according to any one of claims 1 to 21, further comprising a top plate and a bottom plate connected to and sealing the top and bottom ends of the electric field unit, respectively;

preferably, the electric field unit assembly further includes an end plate and a reinforcement member, the reinforcement member being disposed on an outer surface of the auxiliary adsorption mechanism and fixedly connected to the end plate.

23. The electric field unit assembly according to any one of claims 1 to 22, wherein the electric field unit constitutes a cathode or an anode of an electric field.

24. An electric field device comprising a discharge electrode and an adsorption electrode, characterized in that said adsorption electrode is constituted by an electric field unit assembly as claimed in any one of claims 1 to 23, said discharge electrode being constituted by a conductor arranged in at least one of said chambers.

25. An electric field arrangement according to claim 24, characterized in that said discharge electrodes are constituted by conductors arranged in each of said chambers and extending in the axial direction of said chamber.

26. An electric field arrangement according to claim 24, characterized in that the discharge electrodes are constituted by conductors passing through a longitudinal centre line of the chamber, preferably the chamber has a cross-section of a regular polygon, the discharge electrodes passing through the centre of an inscribed circle of the cross-section.

27. The electric field device according to claim 24, wherein at least two of said discharge electrodes are disposed within at least one of said chambers.

28. The electric field device according to claim 27, wherein the electric field unit is composed of a plurality of adsorption plates, the chamber is formed between at least two adsorption plates, and the distance between each adsorption plate constituting the chamber and each discharge electrode is equal;

preferably, at least two of the discharge electrodes are uniformly distributed along a transverse center line of the chamber in the chamber.