An electric field module of an electrostatic oil fume purifier

Abstract

The present invention belongs to the technical field of fume purification, and particularly relates to an electric field module of an electrostatic fume purifier, which includes a frame. A low-voltage fixed shaft and a low-voltage conductive shaft that are perpendicular to the frame are fixedly arranged on the frame. A plurality of low-voltage negative plates are penetrated on the low-voltage fixed shaft. A low-voltage positive plate is arranged between adjacent low-voltage negative plates. The low-voltage positive plate is penetrated on the low-voltage conductive shaft. The low-voltage conductive shaft simultaneously penetrates through the low-voltage positive plate, the low-voltage positive plate, and the frame. The low-voltage conductive shaft is connected to an external power supply through a conductive head. By changing the structure of the positive plate and the negative plate, the electric field module uses a plate support to replace the original aluminum tube sleeve, effectively increasing the contact area with the plates, making the fixed spacing between the plates uniform, having higher conductivity, more sufficient ionization effect, and not easily generating a sparking phenomenon.

Description

Technical Field

[0001] The present invention belongs to the technical field of fume purification, and particularly relates to an electric field module of an electrostatic fume purifier. Background Art

[0002] At present, with the increasing emphasis on health and environmental protection awareness of people, fume purifiers are installed in places such as hotels, restaurants, schools, institutions, factories, etc. to control and reduce the emission of harmful polluting waste gases. The basic principle of an electrostatic treatment method is usually used in the market. When the fine particles in the fume waste gas pass through the strong electrostatic field of the ionizer, they are ionized and carry positive and negative charges. Under the action of attraction and repulsion, the charged smoke ions are adsorbed on the negative plate, so as to achieve the purpose of purifying the air. In the electric field module structure, there must be an insulating space with a certain distance between the negative plate in the dense adsorption area and the positive plate. The negative plate and the positive plate are supported and fixed at intervals by hundreds of aluminum tube sleeves. The above method has two major problems: 1. The length requirement accuracy of the aluminum tube sleeves is high, and there must be no burrs on the cut section of the aluminum tube. It is difficult to control the accuracy of the plate spacing of the module; 2. This kind of interval fixing method undoubtedly increases the cost and the processing and assembly difficulty. When manually installing the electric field module, hundreds of aluminum tube sleeves need to be installed between two adjacent plates, which is laborious and has very low efficiency. In view of the existing problems, it is necessary to improve and replace the aluminum tube sleeve structure method in time.

[0003] The patent document with the publication number of 209849096U discloses a high and low voltage electric field of a fume purifier, which mainly consists of a front frame body, a rear frame body and four connecting beams connecting the two. Its characteristics are that two high-voltage conductive shafts and two high-voltage fixing shafts longitudinally arranged in the electric field frame are fixedly connected to the left side between the front frame body and the rear frame body. A number of high-voltage cathode plates fixedly connected to both of the two high-voltage conductive shafts are evenly arranged in the electric field frame, and high-voltage anode plates fixedly connected to both of the two high-voltage fixing shafts are arranged between adjacent high-voltage cathode plates; the problem of this electric field is that the interval fixing method between the plates is not easy to control, and the processing and assembly difficulty is large. When manually installing the electric field module, several aluminum tube sleeves need to be installed between two adjacent plates, with high working intensity, low efficiency and high cost. Summary of the Invention

[0004] The purpose of the present invention is to provide an electric field module of an electrostatic fume purifier for the problems existing in the prior art. By changing the structures of the positive plate and the negative plate, the plate support is used to replace the original aluminum tube sleeve, effectively increasing the contact area with the plates, making the fixed spacing between the plates uniform, having higher conductivity, more sufficient ionization effect, and not easily generating arcing phenomena.

[0005] The technical solution of the present invention is: An electric field module of an electrostatic oil fume purifier, including a frame. A low-voltage fixed shaft and a low-voltage conductive shaft perpendicular to the frame are fixedly arranged on the frame. A number of low-voltage negative plates are penetrated on the low-voltage fixed shaft. A low-voltage positive plate is arranged between adjacent low-voltage negative plates. The low-voltage positive plate is penetrated on the low-voltage conductive shaft. The low-voltage conductive shaft penetrates through the low-voltage positive plate, the low-voltage negative plate, and the frame at the same time. The low-voltage conductive shaft is connected to an external power supply through a conductive head.

[0006] A conductive shaft through hole for penetrating the low-voltage conductive shaft is arranged on the low-voltage positive plate. A low-voltage positive plate bracket is arranged on the low-voltage positive plate.

[0007] An installation fastening hole for penetrating the low-voltage fixed shaft is arranged on the low-voltage negative plate. A low-voltage negative plate bracket is arranged on the low-voltage negative plate. A low-voltage positive plate bracket through hole corresponding to the low-voltage positive plate bracket is arranged on the low-voltage negative plate.

[0008] A low-voltage negative plate bracket through hole corresponding to the low-voltage negative plate bracket on the low-voltage negative plate is arranged on the low-voltage positive plate.

[0009] Specifically, there are six low-voltage fixed shafts, which are respectively arranged corresponding to the two ends and the middle of the low-voltage negative plate and the frame. Two low-voltage fixed shafts are respectively arranged at the two ends of the corresponding low-voltage negative plate, and two low-voltage fixed shafts are arranged in the middle of it.

[0010] Specifically, there are six low-voltage conductive shafts, which are respectively arranged corresponding to the two ends and the middle of the low-voltage positive plate and the frame. Two are respectively arranged at the two ends of the corresponding low-voltage positive plate, and two are arranged in the middle of it. The low-voltage conductive shafts at the two ends of the corresponding low-voltage positive plate are respectively located inside the two low-voltage fixed shafts at the two ends of the corresponding low-voltage negative plate. The low-voltage conductive shafts in the middle of the corresponding low-voltage positive plate are respectively located inside the two low-voltage fixed shafts in the middle of the corresponding low-voltage negative plate.

[0011] Specifically, there are eight low-voltage positive plate brackets on the low-voltage positive plate, which are respectively arranged corresponding to the low-voltage conductive shafts. One low-voltage positive plate bracket is arranged at each low-voltage conductive shaft at both ends. Two opposite low-voltage positive plate brackets are arranged at each low-voltage conductive shaft in the middle. The low-voltage positive plate brackets tightly abut against the low-voltage conductive shafts.

[0012] Specifically, there are eight low-voltage negative plate brackets on the low-voltage negative plate, which are respectively arranged corresponding to the low-voltage fixed shafts. One low-voltage negative plate bracket is arranged at each low-voltage fixed shaft at both ends. Two opposite low-voltage negative plate brackets are arranged at each low-voltage fixed shaft in the middle. The low-voltage negative plate brackets tightly abut against the low-voltage fixed shafts.

[0013] Specifically, the perforations in the low-voltage positive plate bracket include a circular middle low-voltage positive plate bracket perforation provided in the middle and a semi-circular end low-voltage positive plate bracket perforation located at the end.

[0014] Specifically, the perforations in the low-voltage negative plate bracket include a semi-circular middle low-voltage negative plate bracket perforation provided at the middle edge of the low-voltage positive plate and an "L"-shaped end low-voltage negative plate bracket perforation located at the end corner.

[0015] Specifically, the low-voltage positive plate bracket is in the shape of a "7" or a shape symmetrical to the "7".

[0016] Specifically, the low-voltage negative plate bracket is in the shape of a "7" or a shape symmetrical to the "7".

[0017] Specifically, the low-voltage positive plate bracket and the low-voltage negative plate bracket have the same structure, and both include a vertical plate, a horizontal plate vertically connected to its upper end, an arc-shaped recess is provided at the edge of the horizontal plate in contact with the low-voltage conductive shaft or the low-voltage fixed shaft, and at least one reinforcing rib is provided at the upper end and the lower end of the vertical plate.

[0018] Specifically, a reinforcing convex plate on the same side as the horizontal plate is provided in the middle of the vertical plate.

[0019] The beneficial effects of the present invention are as follows: mainly aiming at the problems of high processing cost, low assembly efficiency and high difficulty of the existing aluminum tube sleeve between the positive and negative poles of the electric field module, the electric field module is mainly improved by changing the structures of the positive plate and the negative plate. Plate brackets are provided on the positive plate and the negative plate, and the plate brackets are used to replace the original aluminum tube sleeve, effectively increasing the contact area with the plates, making the fixed spacing between the plates uniform, having higher conductivity, more sufficient ionization effect, and not easily generating arcing phenomena.

[0020] The present invention provides another kind of plate bracket, which has a vertical plate and a horizontal plate. A reinforcing convex plate on the same side as the horizontal plate is provided in the middle of the vertical plate. The reinforcing convex plate, the first reinforcing rib and the second reinforcing rib simultaneously increase the support strength of the plate bracket, achieving the purpose of not being easily deformed; and in this embodiment, an arc-shaped recess is provided at the edge of the horizontal plate in contact with the low-voltage conductive shaft or the low-voltage fixed shaft, and the arc-shaped recess can be in firm contact with the cylinder, not easily displaced, and enhancing the stability of its contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present invention.

[0022] Figure 2 is Figure 1 a schematic side structural diagram of

[0023] Figure 3It is a structural diagram of a low voltage negative plate.

[0024] Figure 4 It is a structural diagram of a low voltage positive plate.

[0025] Figure 5 It is a schematic diagram of the structure of the electrode support provided in Example 3.

[0026] Figure 6 yes Figure 5 A schematic structural diagram of the other side of the plate support is shown.

[0027] Figure 7 Schematic diagram of the structure of a low-voltage negative plate using the plate support shown in Example 3.

[0028] Figure 8 Schematic diagram of the structure of a low-voltage positive plate using the plate support shown in Example 3.

[0029] In the accompanying drawings, 1 is a low-voltage conductive shaft, 2 is a low-voltage fixed shaft, 3 is a low-voltage negative plate, 4 is a low-voltage positive plate, 5 is a low-voltage negative plate bracket, 6 is a low-voltage positive bracket, 7 is a frame, 8 is a conductive shaft through hole, 9 is a middle low-voltage negative plate bracket through hole, 10 is an end low-voltage negative plate bracket through hole, 11 is a middle low-voltage positive plate bracket through hole, 12 is an installation fastening hole, 13 is an end low-voltage positive plate bracket through hole, 14 is a horizontal plate, 15 is a vertical plate, 16 is an arc-shaped recess, 17 is a reinforcing convex plate, 18 is a first reinforcing rib, and 19 is a second reinforcing rib. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with the accompanying drawings.

[0031] The technical solution of the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. Example

[0032] like Figure 1 , Figure 2 The figure shows a schematic diagram of the structure of the electric field module of the electrostatic oil fume purifier provided in this embodiment, the electric field module includes a frame frame 7, on which a low-voltage fixed axis 2 and a low-voltage conductive axis 1 vertically arranged thereon are fixedly arranged, a plurality of low-voltage negative plates 3 are passed through the low-voltage fixed axis 2, low-voltage positive plates 4 are arranged between adjacent low-voltage negative plates 3, the low-voltage positive plates 4 are passed through the low-voltage conductive axis 1, the low-voltage conductive axis 1 simultaneously passes through the low-voltage positive plate 4, the low-voltage negative plate 3, and the frame frame 7, and the low-voltage conductive axis 1 is connected to an external power supply through a conductive head.

[0033] Further settings are as follows: on the low-voltage positive electrode plate 4, there is a conductive shaft through-hole 8 for passing through the low-voltage conductive shaft 1; on the low-voltage positive electrode plate 4, there is a low-voltage positive electrode plate support 6; on the low-voltage negative electrode plate 3, there is an installation fastening hole 12 for passing through the low-voltage fixed shaft 2; on the low-voltage negative electrode plate 3, there is a low-voltage negative electrode plate support 5; on the low-voltage negative electrode plate 3, corresponding to the low-voltage positive electrode plate support 6, there is a low-voltage positive electrode plate support through-hole; on the low-voltage positive electrode plate 4, corresponding to the low-voltage negative electrode plate support 5 on the low-voltage negative electrode plate 3, there is a low-voltage negative electrode plate support through-hole.

[0034] In this embodiment, there are six low-voltage fixed shafts 2, which are respectively arranged corresponding to the two ends and the middle of the low-voltage negative electrode plate 3 and the frame 7. Two low-voltage fixed shafts 2 are respectively arranged at the two ends of the low-voltage negative electrode plate 3, and two low-voltage fixed shafts 2 are arranged in the middle thereof.

[0035] Similarly, there are six low-voltage conductive shafts 1, which are respectively arranged corresponding to the two ends and the middle of the low-voltage positive electrode plate 4 and the frame 7. Two low-voltage conductive shafts 1 are respectively arranged at the two ends of the low-voltage positive electrode plate 4, and two low-voltage conductive shafts 1 are arranged in the middle thereof. The low-voltage conductive shafts 1 corresponding to the two ends of the low-voltage positive electrode plate 4 are respectively located inside the two low-voltage fixed shafts 2 corresponding to the two ends of the low-voltage negative electrode plate 3, and the low-voltage conductive shafts 1 corresponding to the middle of the low-voltage positive electrode plate 4 are respectively located inside the two low-voltage fixed shafts 2 corresponding to the middle of the low-voltage negative electrode plate 3.

[0036] There are eight low-voltage positive electrode plate supports 6 on the low-voltage positive electrode plate 4, which are respectively arranged corresponding to the low-voltage conductive shafts 1. One low-voltage positive electrode plate support 6 is arranged at each low-voltage conductive shaft 1 corresponding to the two ends, and two opposite low-voltage positive electrode plate supports 6 are arranged at each low-voltage conductive shaft 1 corresponding to the middle. The low-voltage positive electrode plate supports 6 are tightly abutted against the low-voltage conductive shafts 1.

[0037] There are eight low-voltage negative electrode plate supports 5 on the low-voltage negative electrode plate 3, which are respectively arranged corresponding to the low-voltage fixed shafts 2. One low-voltage negative electrode plate support 5 is arranged at each low-voltage fixed shaft 2 corresponding to the two ends, and two opposite low-voltage negative electrode plate supports 5 are arranged at each low-voltage fixed shaft 2 corresponding to the middle. The low-voltage negative electrode plate supports 5 are tightly abutted against the low-voltage fixed shafts 2.

[0038] In this embodiment, it is fixed on the frame 7 through the low-voltage fixed shaft 2, and then the low-voltage negative plate 3 is passed through it via the installation fastening holes 12. The low-voltage negative plate 3 itself is not charged. Each low-voltage negative plate 3 is provided with 6 installation fastening holes 12. A low-voltage negative plate bracket 5 is respectively arranged at each installation fastening hole 12 at the end. A low-voltage negative plate bracket 5 is respectively arranged on both sides of each installation fastening hole 12 in the middle. On the low-voltage negative plate 3, the axes of the installation fastening holes 12 in the middle and the middle low-voltage positive plate bracket perforations 11 are on the same straight line. The axes of the middle low-voltage positive plate bracket perforations 11 and the end low-voltage positive plate bracket perforations 13 are on the same straight line. A low-voltage positive plate 4 is arranged between adjacent low-voltage negative plates 3. The low-voltage positive plate 4 is passed through the low-voltage conductive shaft 1 via the conductive shaft through holes 8. The low-voltage positive plate 4 is powered by connecting it to an external power source through the low-voltage conductive shaft 1, and an induced current is generated on the low-voltage positive plate 4, thereby forming a low-voltage electric field to adsorb small particle oil stains and dust in the air passing through it. Each low-voltage positive plate 4 is provided with 6 conductive shaft through holes 8 corresponding to the low-voltage conductive shaft 1. A low-voltage positive plate bracket 6 is respectively arranged at each conductive shaft through hole 8 at the end. On both sides of each conductive shaft through hole 8 in the middle, the low-voltage positive plate brackets 6 on the low-voltage positive plate 4 are respectively connected to the previous low-voltage positive plate 4 through the middle low-voltage positive plate bracket perforations 11 and the end low-voltage positive plate bracket perforations 13 on the low-voltage negative plate 3. The low-voltage negative plate brackets 5 on the low-voltage negative plate 3 are connected to the previous low-voltage negative plate through the middle low-voltage negative plate bracket perforations 9 and the end low-voltage negative plate bracket perforations 10 on the low-voltage positive plate 4. Since the low-voltage positive plate brackets 6 and the low-voltage negative plate brackets 5 have the same specifications, materials, and heights, the fixed spacing between the plates is uniform, the conductivity is higher, the ionization effect is more sufficient, and the phenomenon of sparking is not likely to occur.

[0039] In addition, since the interval between the positive and negative electrodes of the electric field module was originally separated by an aluminum tube sleeve, the processing cost was high, the assembly took time and had low efficiency, and the difficulty was great, etc. The present invention uses a fixed plate bracket for isolation and support, and the manufacturing process can be integrally formed with the plate. In this way, the complex and troublesome step of sleeving the aluminum tube is omitted during the assembly process. Because the heights of the brackets arranged on each plate are the same, no adjustment and sleeving are required, saving the engineering complexity, labor, and time. Embodiment

[0040] In this embodiment, the middle low-voltage positive plate bracket perforation 11 is circular, and the end low-voltage positive plate bracket perforation 13 at the end is semicircular. The middle low-voltage negative plate bracket perforation 9 arranged at the middle edge of the low-voltage positive plate 4 is semicircular, and the end low-voltage negative plate bracket perforation 10 at the end corner is in an "L" shape, as Figure 3 and Figure 4As shown, such a setting facilitates the penetration of the low-voltage negative plate support 5 and the low-voltage positive plate support 6, and the plates do not contact each other.

[0041] In addition, in this embodiment, the low-voltage positive plate support 6 is in the shape of a "7" or a shape symmetrical to the "7". The low-voltage negative plate support 5 is in the shape of a "7" or a shape symmetrical to the "7". The low-voltage positive plate support 6 and the low-voltage negative plate support 5 have the same specifications, height, and material, have good contact with the low-voltage fixed shaft 2 and the low-voltage conductive shaft 1, have high conductivity, and the ionization effect is more sufficient. Embodiment

[0042] As Figure 5 、 Figure 6 As shown in the structural schematic diagrams of the low-voltage positive plate support 6 and the low-voltage negative plate support 5 provided in this embodiment, they have the same structure and both include a vertical plate 15 and a horizontal plate 14 perpendicularly connected to its upper end. The vertical plate 15 and the horizontal plate are an integral structure. An arc-shaped recess 16 is provided at the edge of the horizontal plate 14 that contacts the low-voltage conductive shaft 1 or the low-voltage fixed shaft 2 to enhance the stability of its contact. A first reinforcing rib 18 and a second reinforcing rib 19 are respectively provided at the upper end and the lower end of the vertical plate 15. In this embodiment, a reinforcing convex plate 17 on the same side as the horizontal plate 14 is provided in the middle of the vertical plate 15. The reinforcing convex plate 17, the first reinforcing rib 18, and the second reinforcing rib 19 simultaneously increase the support strength of the plate support, achieving the purpose of being not easily deformed. During the production process, an automatic production line is used, with automatic feeding and continuous dies. Successive multi-station continuous stamping is carried out step by step. A series of stampings are performed on the vertical plate 15 and the horizontal plate 14 by the die cooperating with the plate support, so that a reinforcing convex plate 17 is formed by stretching in the middle of the vertical plate 15, an arc-shaped recess 16 is formed at the edge of the horizontal plate 14, and the first reinforcing rib 18 and the second reinforcing rib 19 are respectively formed at the upper end and the lower end of the vertical plate 15, realizing the integral forming of the low-voltage positive plate 4 and the low-voltage negative plate 3. The stretched vertical plate 15 and horizontal plate 14 are not easily bent, thereby enhancing their support strength in the vertical and horizontal directions.

[0043] Since the plate support needs to contact the low-voltage conductive shaft 1 or the low-voltage fixed shaft 2, and both the low-voltage conductive shaft and the low-voltage fixed shaft are cylinders, a straight line without a curvature has unstable contact with them and is prone to extrusion misalignment. In this embodiment, an arc-shaped recess 16 is provided at the edge of the horizontal plate 14 that contacts the low-voltage conductive shaft 1 or the low-voltage fixed shaft 2. The arc-shaped recess 16 can have firm contact with the cylinder, is not easily misaligned, and enhances the stability of its contact. As Figure 7 As shown in the structural schematic diagram of the low-voltage negative plate 3 using the plate support structure of this embodiment, as Figure 8 Shown is the structural schematic of the low-voltage positive plate 4 using the plate support structure provided in this embodiment.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them; although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: it is still possible to modify the specific implementation manners of the present invention or make equivalent replacements for some technical features; without departing from the spirit of the technical solutions of the present invention, they should all be covered within the scope of the technical solutions claimed by the present invention.

[0045] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. An electric field module of an electrostatic oil fume purifier, comprising a frame (7), wherein a low-voltage fixed shaft (2) and a low-voltage conductive shaft (1) which are perpendicular to the frame (7) are fixedly arranged on the frame (7), and the characteristics are as follows: A number of low-voltage negative plates (3) are penetrated through the low-voltage fixed shaft (2). A low-voltage positive plate (4) is arranged between adjacent low-voltage negative plates (3). The low-voltage positive plate (4) is penetrated through the low-voltage conductive shaft (1). The low-voltage conductive shaft (1) penetrates through the low-voltage positive plate (4), the low-voltage negative plate (3), and the frame (7) at the same time. The low-voltage conductive shaft (1) is connected to an external power supply through a conductive head. A conductive shaft through-hole (8) for penetrating the low-voltage conductive shaft (1) is arranged on the low-voltage positive plate (4). A low-voltage positive plate support (6) is arranged on the low-voltage positive plate (4). An installation fastening hole (12) for penetrating the low-voltage fixed shaft (2) is arranged on the low-voltage negative plate (3). A low-voltage negative plate support (5) is arranged on the low-voltage negative plate (3). A low-voltage positive plate support through-hole is arranged on the low-voltage negative plate (3) corresponding to the low-voltage positive plate support (6). A low-voltage negative plate support through-hole is arranged on the low-voltage positive plate (4) corresponding to the low-voltage negative plate support (5) on the low-voltage negative plate (3). The low-voltage positive plate support (6) is in the shape of a "7" or a shape symmetrical to the "7". The low-voltage negative plate support (5) is in the shape of a "7" or a shape symmetrical to the "7". The low-voltage positive plate support (6) and the low-voltage negative plate support (5) have the same structure, and both include a vertical plate (15) and a horizontal plate (14) vertically connected to its upper end. An arc-shaped recess (16) is arranged at the edge of the horizontal plate (14) in contact with the low-voltage conductive shaft (1) or the low-voltage fixed shaft (2). At least one reinforcing rib is arranged at the upper end and the lower end of the vertical plate (15). A reinforcing convex plate (17) on the same side as the horizontal plate (14) is arranged in the middle of the vertical plate (15).

2. The electric field module of the electrostatic fume purifier according to claim 1, wherein There are six low-voltage fixed shafts (2), which are respectively arranged corresponding to the two ends and the middle of the low-voltage negative plate (3) and the frame (7). Two low-voltage fixed shafts (2) are respectively arranged at the two ends of the corresponding low-voltage negative plate (3), and two low-voltage fixed shafts (2) are arranged in the middle of it.

3. The electric field module of the electrostatic oil fume purifier according to claim 2, characterized in that, There are six low-voltage conductive shafts (1), which are respectively arranged corresponding to the two ends and the middle of the low-voltage positive plate (4) and the frame (7). Two are respectively arranged at the two ends of the corresponding low-voltage positive plate (4), and two are arranged in the middle of it. The low-voltage conductive shafts (1) at the two ends of the corresponding low-voltage positive plate (4) are respectively located inside the two low-voltage fixed shafts (2) at the two ends of the corresponding low-voltage negative plate (3). The low-voltage conductive shafts (1) in the middle of the corresponding low-voltage positive plate (4) are respectively located inside the two low-voltage fixed shafts (2) in the middle of the corresponding low-voltage negative plate (3).

4. The electric field module of the electrostatic oil fume purifier according to claim 3, characterized in that There are eight low-voltage positive plate supports (6) on the low-voltage positive plate (4), which are respectively arranged corresponding to the low-voltage conductive shafts (1). One low-voltage positive plate support (6) is arranged at each of the two ends corresponding to each low-voltage conductive shaft (1), and two opposite low-voltage positive plate supports (6) are arranged at each of the two low-voltage conductive shafts (1) in the middle. The low-voltage positive plate support (6) is tightly pressed against the low-voltage conductive shaft (1).

5. The electric field module of the electrostatic oil fume purifier according to claim 2, characterized in that There are eight low-voltage negative plate supports (5) on the low-voltage negative plate (3) described, which are respectively arranged corresponding to the low-voltage fixed shafts (2). One low-voltage negative plate support (5) is arranged at each of the low-voltage fixed shafts (2) at both ends, and two opposite low-voltage negative plate supports (5) are arranged at each of the low-voltage fixed shafts (2) in the middle. The low-voltage negative plate supports (5) are tightly abutted against the low-voltage fixed shafts (2).

6. The electric field module of the electrostatic oil fume purifier according to claim 4, characterized in that, The perforations of the low-voltage positive plate support include a circular middle low-voltage positive plate support perforation (11) arranged in the middle and a semi-circular end low-voltage positive plate support perforation (13) located at the end.

7. The electric field module of the electrostatic oil fume purifier according to claim 5, characterized in that, The perforations of the low-voltage negative plate support include a semi-circular middle low-voltage negative plate support perforation (9) arranged at the middle edge of the low-voltage positive plate (4) and an "L"-shaped end low-voltage negative plate support perforation (10) located at the end corner.

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