A plate-type electrostatic electric field structure

Abstract

The present invention discloses a plate-type electrostatic electric field structure, which relates to the field of air purification equipment. The cathode plate is fixed on the side plate by a first connecting rod and an insulator and is non-conductively connected to the side plate, and the anode plate is fixed on the side plate by a second connecting rod, wherein a second avoidance hole passing through the first connecting rod is provided on the anode plate, and a first avoidance hole passing through the second connecting rod is provided on the cathode plate, the distance between the center of the second avoidance hole and the side of the anode plate is less than / equal to the radius of the second avoidance hole, and the distance between the center of the first avoidance hole and the side of the cathode plate is less than / equal to the radius of the first avoidance hole, so that the second avoidance hole and the first avoidance hole are closer to the edge of the anode plate, so that the area between the avoidance holes on both sides is larger, so that smoke / air is prevented from being affected by the avoidance holes when passing through the middle of the anode plate and the cathode plate, thereby improving the purification capacity; by arranging a first connecting sleeve on the first connecting rod and a second connecting sleeve on the second connecting rod, the connection between the cathode plate and the anode plate is facilitated.

Description

Technical Field

[0001] The invention relates to the field of air purification equipment, and in particular to a plate-type electrostatic electric field structure. Background Art

[0002] In an electrostatic air purifier, a plate-type electric field structure, a honeycomb electric field combination, or a combination of the two is usually used as the purification core of the air purifier. In the existing plate-type electric field structure, it includes two parallel side plates and a plurality of cathode plates and anode plates that are spaced and placed between the two side plates. The cathode plate and the anode plate are fixedly connected in the middle by connecting rods. Since the cathode plate and the anode plate are not conductive, it is necessary to set avoidance holes in the middle of the cathode plate and the anode plate corresponding to the position of the connecting rod. Due to the setting of the avoidance holes, when the air passes between the cathode plate and the anode plate, the air will flow from the avoidance holes to other channels, causing the air flow to form turbulence and impact the dust, oil and other particles originally adsorbed on the anode plate, thereby causing the particles to return to the air, resulting in a decrease in purification efficiency.

[0003] It can be seen that the existing technology still needs to be improved and enhanced. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a plate-type electrostatic electric field structure to solve the problem that the purification efficiency of the existing plate-type electric field structure is low under equal volume.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A plate-type electrostatic electric field structure comprises two parallel side plates, a cathode plate and an anode plate arranged at intervals between the two side plates, wherein two or more first connecting rods are connected to the cathode plate, the two ends of the first connecting rods are fixed to the side plates through insulators, and second avoidance holes are provided at positions of the anode plate and the side plates corresponding to the first connecting rods; two or more second connecting rods are connected to the anode plate, the two ends of the second connecting rods are fixed to the side plates, and the cathode plate is provided with a first avoidance hole at a position corresponding to the second connecting rod; the distance between the center of the second avoidance hole and the side edge of the anode plate is less than or equal to the radius of the second avoidance hole, and the distance between the center of the first avoidance hole and the side edge of the cathode plate is less than or equal to the radius of the first avoidance hole.

[0007] In the plate-type electrostatic field structure, the second avoidance hole arranged on the anode plate is connected to the side of the anode plate close to the second avoidance hole, and the first avoidance hole is connected to the side of the cathode plate close to the first avoidance hole.

[0008] In the plate-type electrostatic electric field structure, the first connecting rod is fixedly connected to the cathode plate, and the second connecting rod is fixedly connected to the anode plate.

[0009] In the plate-type electrostatic field structure, a first connecting rod is sleeved with a first connecting sleeve, which is placed between two adjacent cathode plates and between the cathode plate and the insulator; a second connecting rod is sleeved with a second connecting sleeve, which is placed between two adjacent anode plates and between the anode plate and the side plate.

[0010] In the plate-type electrostatic electric field structure, the cross-sections of the first connecting sleeve and the second connecting sleeve are annular or C-shaped.

[0011] In the plate-type electrostatic field structure, a connecting plate is connected between the two side plates and between the anode plate and the outer side of the anode plate. The connecting plate is in the shape of an angle steel and a drainage hole is provided in the middle of the connecting plate.

[0012] In the plate-type electrostatic electric field structure, two ends of the first connecting rod are connected to support plates, the support plates are fixed on the insulator, and the first connecting rod is fixedly connected to the insulator through the support plates.

[0013] In the plate-type electrostatic field structure, a folded edge is provided on the side plate, and the insulator is fixed on the folded edge; the support plate is arranged in an "E" shape, the first connecting rod is connected to the protruding end of the support plate, and the insulator is fixed at the position of the support plate farthest from the folded edge.

[0014] In the plate-type electrostatic electric field structure, the support plate is a metal plate, and a power-connecting cantilever is provided on the support plate, and a third avoidance hole passing through the power-connecting cantilever is provided on the folded edge.

[0015] In the plate-type electrostatic electric field structure, the third avoidance hole is polygonal or teardrop-shaped, and the top of the third avoidance hole is a sharp corner.

[0016] Beneficial effects: 1. Multiple cathode plates of the plate-type electrostatic electric field structure are connected together by a first connecting rod, and both ends of the first connecting rod are connected to the side plate through an insulator, and multiple anode plates are connected together by a second connecting rod, and both ends of the second connecting rod are fixed to the side plate, wherein a second avoidance hole passing through the first connecting rod is provided on the anode plate, and a first avoidance hole passing through the second connecting rod is provided on the cathode plate, and a distance between the center of the second avoidance hole and the side of the anode plate is less than or equal to a radius of the second avoidance hole, and since a distance between the center of the second avoidance hole and the side of the anode plate is less than or equal to a radius of the second avoidance hole, the second avoidance hole is closer to the edge of the anode plate, so that the distance between the anode plate and the second avoidance hole in the direction of smoke / air circulation is greater, and after the smoke / air passes through the second avoidance hole on the front side of its circulation direction, it does not need to pass through the avoidance hole in the middle until it passes through the second avoidance hole on the rear side of the smoke / air circulation direction. Similarly, the distance between the center of the first avoidance hole and the side of the cathode plate is less than or equal to the radius of the first avoidance hole, so that the first avoidance hole is closer to the edge of the cathode plate, and the distance of the first avoidance hole in the direction of smoke / air flow of the cathode plate is larger, and when the smoke / air passes through the middle of the cathode plate, it does not need to pass through the avoidance hole, so that when the smoke / air passes through the plate-type electrostatic electric field structure, the avoidance hole reduces the impact of the smoke / air flow direction, reduces the impact on dust, oil and other particles adsorbed on the anode plate, and improves the purification capacity.

[0017] 2. The first connecting rod is sleeved with a first connecting sleeve, which is placed between two adjacent cathode plates and between the cathode plate and the insulator, and is used to ensure the distance between the two adjacent cathode plates and between the cathode plate and the insulator, and there is no need to directly weld the cathode plate and the first connecting rod, which facilitates the connection of the cathode plates; similarly, the second connecting rod is sleeved with a second connecting sleeve, which is placed between two adjacent anode plates and between the anode plate and the side plate, which facilitates the connection of the anode plates.

[0018] 3. By setting the first connecting rod near the edge of the cathode plate, the two adjacent cathode plates are kept at a distance by the first connecting sleeve, and the second connecting rod is set near the edge of the anode plate, the two adjacent anode plates are kept at a distance by the second connecting sleeve, thereby making the plate-type electrostatic electric field structure more convenient and simple to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structure of plate-type electrostatic electric field structure Figure 1 .

[0020] Figure 2 It is a three-dimensional structure of plate-type electrostatic electric field structure Figure 3 .

[0021] Figure 3 yes Figure 2 Right view of .

[0022] Figure 4 It is a structural schematic diagram of two plate-type electrostatic electric field structures connected.

[0023] Explanation of the main component symbols: 1-side plate, 1.1-folded edge, 2-cathode plate, 3-anode plate, 4-first connecting rod, 5-second connecting rod, 6-second avoidance hole, 8-insulator, 7-first avoidance hole, 9-support plate, 10-connecting plate, 10.1-drainage hole, 11-power cantilever, 12-third avoidance hole, 13-second connecting sleeve, 14-first connecting sleeve, 15-conductive plate, 20-plate type electrostatic electric field structure. DETAILED DESCRIPTION

[0024] The present invention provides a plate-type electrostatic electric field structure. In order to make the purpose, technical solution and effect of the present invention clearer and more specific, the present invention is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the scope of protection of the present invention.

[0025] The plate-type electrostatic electric field structure in the present application is applied to an air purifier for purifying flue gas / air, and the flue gas / air flows along the direction defined by the air purifier shell. When the flue gas / air passes through the inside of the air purifier, it passes between the anode plate and the cathode plate of the plate-type electrostatic electric field structure, thereby achieving purification.

[0026] See also Figure 1 and Figure 2 A plate-type electrostatic electric field structure comprises two parallel side plates 1, a cathode plate 2 and an anode plate 3 arranged between the two side plates 1 at intervals, two or more first connecting rods 4 are connected to the cathode plate 2, both ends of the first connecting rods 4 are fixed to the side plate 1 through insulators 8, and second avoidance holes 6 are provided at positions of the anode plate 3 and the side plate 1 corresponding to the first connecting rods 4; two or more second connecting rods 5 are connected to the anode plate 3, both ends of the second connecting rods 5 are fixed to the side plate 1, and a first avoidance hole 7 is provided at a position of the cathode plate 2 corresponding to the second connecting rod 5, and the second avoidance hole 6 and the first avoidance hole 7 are provided to prevent the first connecting rod 4 from contacting the anode plate 3 and the second connecting rod 5 from contacting the cathode plate 2.

[0027] Specifically, a plurality of cathode plates 2 are arranged between two side plates 1, and an anode plate 3 is arranged between two adjacent cathode plates 2, and the distance between the anode plate 3 and the two adjacent cathode plates 2 is equal. Among them, since the side plate 1 and the anode plate 3 are conductively connected through the second connecting rod 5, the side plate 1 also forms an anode plate 3 structure.

[0028] Specifically, the distance between the center of the second avoidance hole 6 and the side of the anode plate 3 is less than or equal to the radius of the second avoidance hole 6, and because the distance between the center of the second avoidance hole 6 and the side of the anode plate 3 is less than or equal to the radius of the second avoidance hole 6, the second avoidance hole 6 is closer to the edge of the anode plate 3, that is, the second avoidance hole 6 is closer to the edges of the anode plate 3 on the front and rear sides in the smoke / air circulation direction, so that the distance between the second avoidance holes of the anode plate 3 in the smoke / air circulation direction is larger, that is, the area between the second avoidance holes on both sides is larger, and after the smoke / air passes through the second avoidance hole 6 on the front side of the smoke / air circulation direction, it does not need to pass through the avoidance hole in the middle until it passes through the second avoidance hole 6 on the rear side in the smoke / air circulation direction. Similarly, the distance between the center of the first avoidance hole 7 and the side of the cathode plate 2 is less than or equal to the radius of the first avoidance hole 7, so that the first avoidance hole 7 is closer to the edge of the cathode plate 2, and the distance between the first avoidance holes of the cathode plate 2 in the direction of smoke / air flow is larger, that is, the area between the first avoidance holes on both sides is larger, and the smoke / air does not need to pass through the avoidance hole when passing through the middle of the cathode plate 2. Through the above-mentioned settings, when the smoke / air passes through the plate-type electrostatic electric field structure, the influence of the avoidance hole on the flow direction of the smoke / air is reduced, that is, the smoke / air will not form turbulence when passing through the plate-type electrostatic electric field structure, reducing the impact on particles such as dust and oil adsorbed on the anode plate, thereby improving the purification capacity.

[0029] The second avoidance hole arranged on the anode plate is connected to the side of the anode plate near the second avoidance hole, and the first avoidance hole is connected to the side of the cathode plate near the first avoidance hole, so that the smoke passes through the corresponding avoidance hole and then contacts the anode plate / cathode plate, reducing the interference of the avoidance hole and the anode plate / cathode plate at the edge of the corresponding anode plate / cathode plate on the smoke / air. Preferably, the avoidance holes are all set to be U-shaped, and the open end of the avoidance hole is connected to the side of the corresponding anode plate / cathode plate, so that the smoke / air completely passes through the avoidance hole on the front side of the flow direction and then contacts the anode plate / cathode plate, thereby reducing the influence of the avoidance hole on the flow direction of the smoke / air, reducing the impact on particles such as dust and oil adsorbed on the anode plate, and improving the purification capacity.

[0030] Furthermore, part of the second connecting rods 5 are arranged at the corners of the anode plate 3, so that the area of ​​the first avoidance hole 7 cut off on the cathode plate 2 is only 1 / 4 of the circle, further reducing the area of ​​the cathode plate 2 to be cut off, and further increasing the distance between the second avoidance holes at the four corners of the cathode plate 2. For example, when there are more than four second connecting rods 5, the four second connecting rods 5 are respectively arranged at the four corners of the anode plate 3, and the specific reference is made to Figure 1 and Figure 2 .

[0031] In a preferred embodiment, the first connecting rod 4 is fixedly connected to the cathode plate 2, and the second connecting rod 5 is fixedly connected to the anode plate 3. In this embodiment, a hole through which the first connecting rod 4 is passed can be provided on the corresponding cathode plate 2, and the size of the hole matches that of the first connecting rod 4, and a hole through which the second connecting rod 5 is passed can be provided on the corresponding anode plate 3, and the size of the hole matches that of the second connecting rod 5. After the first connecting rod 4 passes through the hole on the cathode plate 2 and the second connecting rod 5 passes through the hole on the anode plate 3, and the corresponding positions are adjusted, they are then fixed by welding, and of course other equivalent fixing methods can also be used.

[0032] In a preferred embodiment, a first connecting rod 4 is sleeved with a first connecting sleeve 14, which is placed between two adjacent cathode plates 2 and between the cathode plate 2 and the insulator 8, and is used to ensure the distance between the two adjacent cathode plates 2 and between the cathode plate 2 and the insulator 8, and there is no need to directly weld the cathode plate 2 and the first connecting rod 4, thereby facilitating the connection of the cathode plate 2; similarly, a second connecting rod 5 is sleeved with a second connecting sleeve 13, which is placed between two adjacent anode plates 3 and between the anode plate 3 and the side plate 1, thereby facilitating the connection of the anode plate 3.

[0033] In a preferred embodiment, the cross-sections of the first connecting sleeve 14 and the second connecting sleeve 13 are annular or C-shaped, and the cathode plate 2 and the first connecting sleeve 14 are sequentially arranged on the first connecting rod 4 at intervals, and then the cathode plate 2 and the first connecting sleeve 14 are pressed tightly at both ends to fix the cathode plate 2. The pressing method can be achieved by tightening the screws at both ends of the first connecting rod 4, making the installation more convenient; similarly, the installation method of the anode plate 3 is the same.

[0034] In the above, when the cross-sections of the first connecting sleeve 14 and the second connecting sleeve 13 are C-shaped, each cathode plate 2 can be first sleeved on the first connecting rod 4, and then the first connecting rod 4 can be pre-installed on the two side plates 1, and then the first connecting sleeve 14 can be buckled on the first connecting rod 4, and finally, by pressing at both ends, the cathode plate 2 and the first connecting sleeve 14 are made to fit tightly, thereby fixing the cathode plate 2 and making the installation more convenient; similarly, the installation method of the anode plate 3 is the same.

[0035] In the above structure, the first connecting rod 4 and the second connecting rod 5 may be polygonal prisms or cylindrical structures, and external threads are provided at both ends thereof for directly or indirectly fixing them to the side plate 1 .

[0036] In a preferred embodiment, in order to improve the stability of the plate-type electrostatic electric field structure, a connecting plate 10 is connected between the two side plates 1 and between the anode plate 3 and the outer side of the anode plate 3. The two ends of the connecting plate 10 are respectively fixed on the two side plates 1. The fixed connection between the connecting plate 10 and the side plates 1 can be achieved by welding, riveting or screw connection.

[0037] In a preferred embodiment, the connecting plate 10 is fixed to the four corners of the side plate 1, and the connecting plate 10 is in the shape of an angle steel, and a drainage hole 10.1 is provided in the middle of the connecting plate 10. The drainage hole 10.1 is provided so that the liquid accumulated in the belly of the connecting plate 10 can be quickly drained away from the drainage hole 10.1.

[0038] See also Figure 2 and Figure 3 , support plates 9 are connected to both ends of the first connecting rod 4, the support plates 9 are fixed on the insulator 8, and the first connecting rod 4 is fixedly connected to the insulator 8 through the support plates 9. The support plate 9 is used for the fixed connection between the first connecting rod 4 and the insulator 8, that is, the support plate 9 is fixed to the side plate 1 through the insulator 8, and then the first connecting rod 4 is fixed to the support plate 9. Among them, when there are many first connecting rods 4, the use of insulators 8 can be reduced, and through the setting of the support plate 9, the position between each first connecting rod 4 can also be supported and positioned to improve its stability. Since the support plate 9 is made of conductive metal, the power supply can be connected to the support plate 9, and then the first connecting rod 4 connected to the support plate 9 is connected to the power supply.

[0039] Furthermore, the side plate 1 is provided with a folded edge 1.1, the insulator 8 is fixed on the folded edge 1.1, and the support plate 9 can be set in an "E" shape, the first connecting rod 4 is connected to the protruding end of the support plate 9, and the insulator 8 is fixed at a position of the support plate 9 far from the folded edge 1.1, so that a longer insulator 8 can be used, and oil stains can be prevented from contacting the side plate 1 along the insulator 8 in a short time to generate creepage, thereby achieving the effect of extending the cleaning time. In practical applications, the support plate 9 is provided with a bending structure, which is used to facilitate the fixed connection of the edge 8 and increase its strength; the support plate 9 can also be formed by cutting structures such as square tubes and angle steels.

[0040] See also Figure 2 , Figure 3 and Figure 4In a preferred embodiment, when the purifier needs to use more than two plate-type electrostatic electric field structures 20 at the same time, the support plate 9 is set as a metal plate, and the support plate 9 is provided with a power connection cantilever 11, which extends to the back of the plate-type electrostatic electric field structure 20, and the folded edge 1.1 is provided with a third avoidance hole 12 passing through the power connection cantilever 11. In which, when in use, the conductive plate 15 is connected between the power connection cantilever 11 of two adjacent plate-type electrostatic electric field structures, so that the power supply can be connected to the support plate 9 of one of the plate-type electrostatic electric field structures, and all the plate-type electrostatic electric field structures can be connected to the power supply.

[0041] In a preferred embodiment, the third avoidance hole 12 is polygonal or teardrop-shaped, and the top of the third avoidance hole 12 is a sharp corner, so that when liquids such as water droplets or oil stains gather on the side plate 1 and flow to the third avoidance hole 12, since the top of the third avoidance hole 12 is a sharp corner, the liquid can quickly flow down along the oblique edge or arc edge of the third avoidance hole 12, thereby preventing the liquid from gathering at the top of the third avoidance hole 12 and dripping onto the power supply cantilever 11.

[0042] Preferably, the projection area of ​​the folded edge 1.1 of the side plate 1 in the front view direction is larger than the projection area of ​​the space required for the installation of the insulator 8 and the support plate 9, that is, the projection of the insulator 8 and the support plate 9 in the front view direction is inside the projection of the folded edge 1.1 in the front view direction, so that after installation, the folded edge 1.1 blocks the space required for the installation of the insulator 8 and the support plate 9, so that the smoke / air passes between the anode plate 3 and the cathode plate 2. Further, the third avoidance hole 12 is arranged on the leeward side of the direction in which the smoke / air passes, so that the smoke / air will not enter the space required for the installation of the insulator 8 and the support plate 9 from the third avoidance hole 12.

[0043] In the present invention, multiple cathode plates 2 of the plate-type electrostatic electric field structure are connected together by a first connecting rod 4, and both ends of the first connecting rod 4 are connected to the side plate 1 through an insulator 8. Multiple anode plates 3 are connected together by a second connecting rod 5, and both ends of the second connecting rod 5 are fixed to the side plate 1, wherein a second avoidance hole 6 passing through the first connecting rod 4 is provided on the anode plate 3, and a first avoidance hole 7 passing through the second connecting rod 5 is provided on the cathode plate 2, and the distance between the center of the second avoidance hole 6 and the side of the anode plate 3 is less than or equal to the radius of the second avoidance hole 6, and because the distance between the center of the second avoidance hole 6 and the side of the anode plate 3 is less than or equal to the radius of the second avoidance hole 6, the second avoidance hole 6 is closer to the edge of the anode plate 3, so that the distance between the anode plate 3 and the second avoidance hole in the smoke / air circulation direction is larger, and after the smoke / air passes through the second avoidance hole 6 on the front side of the smoke / air circulation direction, it does not need to pass through the avoidance hole in the middle until it passes through the second avoidance hole 6 on the rear side of the smoke / air circulation direction. Similarly, the distance between the center of the first avoidance hole 7 and the side of the cathode plate 2 is less than or equal to the radius of the first avoidance hole 7, so that the first avoidance hole 7 is closer to the edge of the cathode plate 2, and the distance of the first avoidance hole of the cathode plate 2 in the direction of smoke / air circulation is larger, and when the smoke / air passes through the middle of the cathode plate 2, it does not need to pass through the avoidance hole, so that when the smoke / air passes through the plate-type electrostatic electric field structure, the avoidance hole reduces the influence of the smoke / air flow direction, reduces the impact on dust, oil and other particles adsorbed on the anode plate, and improves the purification capacity.

[0044] Furthermore, the first connecting rod 4 is sleeved with a first connecting sleeve 14, which is placed between two adjacent cathode plates 2 and between the cathode plate 2 and the insulator 8, and is used to ensure the distance between the two adjacent cathode plates 2 and between the cathode plate 2 and the insulator 8, and there is no need to directly weld the cathode plate 2 and the first connecting rod 4, which facilitates the connection of the cathode plate 2; similarly, the second connecting rod 5 is sleeved with a second connecting sleeve 13, which is placed between two adjacent anode plates 3 and between the anode plate 3 and the side plate 1, which facilitates the connection of the anode plate 3.

[0045] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0046] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and inventive concept of the present invention, and all these changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A plate-type electrostatic electric field structure, comprising two parallel side plates, a cathode plate and an anode plate spaced between the two side plates, wherein the cathode plate is connected to two or more first connecting rods, the two ends of the first connecting rods are fixed to the side plates through insulators, and the anode plate and the side plates are provided with second avoidance holes at positions corresponding to the first connecting rods; the anode plate is connected to two or more second connecting rods, the two ends of the second connecting rods are fixed to the side plates, and the cathode plate is provided with first avoidance holes at positions corresponding to the second connecting rods; characterized in that: The distance between the center of the second avoidance hole and the side of the anode plate is less than or equal to the radius of the second avoidance hole, and the distance between the center of the first avoidance hole and the side of the cathode plate is less than or equal to the radius of the first avoidance hole; Support plates are connected to both ends of the first connecting rod, the support plates are fixed on the insulator, and the first connecting rod is fixedly connected to the insulator through the support plates; The side plate is provided with a folded edge, and the insulator is fixed on the folded edge; the support plate is arranged in an "E" shape, the first connecting rod is connected to the extended end of the support plate, and the insulator is fixed at the position of the support plate farthest from the folded edge; The projection area of ​​the folded edge of the side plate in the front view direction is larger than the projection area of ​​the space required for installing the insulator and the support plate.

2. The plate-type electrostatic electric field structure according to claim 1, characterized in that: The second avoidance hole arranged on the anode plate is communicated with the side of the anode plate close to the second avoidance hole, and the first avoidance hole is communicated with the side of the cathode plate close to the first avoidance hole.

3. The plate-type electrostatic electric field structure according to claim 1 or 2, characterized in that: The first connecting rod is fixedly connected to the cathode plate, and the second connecting rod is fixedly connected to the anode plate.

4. The plate-type electrostatic electric field structure according to claim 1 or 2, characterized in that: The first connecting rod is sleeved with a first connecting sleeve, which is placed between two adjacent cathode plates and between the cathode plate and the insulator; the second connecting rod is sleeved with a second connecting sleeve, which is placed between two adjacent anode plates and between the anode plate and the side plate.

5. The plate-type electrostatic electric field structure according to claim 4, characterized in that: The cross sections of the first connecting sleeve and the second connecting sleeve are annular or C-shaped.

6. The plate-type electrostatic electric field structure according to claim 1, characterized in that: A connecting plate is connected between the two side plates and on the outer sides of the anode plate and the anode plate. The connecting plate is in the shape of an angle steel and a drainage hole is arranged in the middle of the connecting plate.

7. The plate-type electrostatic electric field structure according to claim 1, characterized in that: The support plate is a metal plate, and a power connection cantilever is arranged on the support plate, and a third avoidance hole passing through the power connection cantilever is arranged on the folded edge.

8. The plate-type electrostatic electric field structure according to claim 7, characterized in that: The third avoidance hole is polygonal or teardrop-shaped, and the top of the third avoidance hole is a sharp corner.

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