TWI760777B - Electrostatic electrode plate combination and electrostatic decontamination device - Google Patents

Abstract

An electrostatic electrode plate assembly includes a support frame body, a high voltage group and a low voltage group. The high-voltage group and the low-voltage group are arranged in an inner space of the support frame and do not contact each other. The low-voltage group has a plurality of electrode plates arranged at intervals along the longitudinal axis of at least one second fixing rod of the low-voltage group, and is fixed and electrically connected to the at least one second fixing rod. Each of the electrode plates of the present invention has a core plate made of non-metallic material and a metal layer covering the core plate. The electrode plates provided by the aforementioned electrostatic electrode plate combination have a lightweight structure, and their metal layers are resistant to corrosion by strong acids or alkalis, so that when operators use strong acids or alkalis to clean and maintain the electrode plates, the electrode plates will not be corroded . An electrostatic decontamination device is also disclosed herein.

Description

Electrostatic electrode plate combination and electrostatic decontamination device

The present invention is related to air filtration equipment; in particular, it refers to an electrostatic decontamination device.

In recent years, air pollution has become increasingly serious. In addition to causing environmental damage, fine particles in the air can easily affect people's physical health. In order to maintain the environment and people's physical health, the government expressly stipulates the air emission standards of various industries with pollution sources. Therefore, various industries have successively installed air purification devices in the emission pipelines to meet the air emission standards.

Take an electrostatic decontamination device used in a boiler discharge pipe as an example. The electrostatic decontamination device is used to filter oil fume particles in the air. When the air inlet enters the casing, when the oil fume particles in the air pass through the high voltage area of the electrostatic electrode plate combination, charged particles are formed. Through the dust collecting area, the casing is discharged from an air outlet of the casing, thereby achieving the effect of purifying the air.

In order to maintain the electrostatic dust collection effect of the electrostatic electrode plate combination, the electrostatic electrode plate combination needs to be cleaned and maintained regularly. The operator washes away the dirt on the surface of the electrode plate with strong acid or strong alkali, and the operator will use strong acid or strong alkali to wash. Metal material resistant to strong acid or alkali. However, the problem faced by the industry is that these metal materials resistant to strong acid or alkali are heavy, which is not conducive to handling, and causes the industry to exhaust labor. Or the industry chooses a lighter metal material, such as aluminum. However, aluminum is not resistant to strong acids or alkalis. After many cleanings and maintenance, the aluminum electrode The plate is corroded and thinned, and a gap is formed between the support frame for fixing the electrode plates, which leads to vibration and noise when the electrostatic electrode plates are assembled and operated. The aforementioned situation needs to be resolved.

In view of this, the purpose of the present invention is to provide an electrostatic electrode plate combination and an electrostatic decontamination device, the electrode plate of the electrostatic electrode plate combination and the electrode plate of the electrostatic electrode plate combination of the electrostatic decontamination device are resistant to strong acid or strong alkali corrosion. characteristics, and the weight is lighter than the conventional electrode plate.

In order to achieve the above object, the present invention provides an electrostatic electrode plate assembly, which includes a support frame, a high-voltage group, and a low-voltage group. Wherein, the supporting frame body has a frame body, a first energizing plate and a second energizing plate; the frame body has an inner space; the first energizing plate and the second energizing plate are fixed on the frame body and are connected with the frame body. The frame body is insulated, and the first conduction plate and the second conduction plate are not in contact with each other. The high-voltage group is disposed in the inner space, and has a plurality of electrode lines and at least one first fixing rod; one end of each electrode line is fixed and electrically connected to the at least one first fixing rod, and the electrode lines are along the The longitudinal axes of the at least one first fixing rod are arranged at intervals; one end of the at least one first fixing rod is fixed and electrically connected to the first energizing plate. The low-voltage group is disposed in the inner space, adjacent to the high-voltage group but not in contact with the high-voltage group, and has a plurality of electrode plates and at least one second fixing rod; the electrode plates are fixed and electrically The at least one second fixing rod is connected to the at least one second fixing rod and is arranged at intervals along the longitudinal axis of the at least one second fixing rod; one end of the at least one second fixing rod is fixed and electrically connected to the second electrified board. Wherein, each of the electrode plates has a core plate and a metal layer covering the core plate; and each of the core plates is made of non-metallic materials.

Another object of the present invention is to provide an electrostatic decontamination device for filtering fine particles in the air, which comprises a casing, a power control component, an electrostatic electrode plate assembly, a first filter screen and a second filter screen . The inside of the casing has an accommodating space, and includes an air inlet and an air outlet, and the air inlet and the air outlet are respectively communicated with the outside of the casing and the accommodating space. The power control assembly is fixed to the casing, and includes a high voltage generator and a low voltage generator, and the high voltage generator and the low voltage generator are insulated from each other. The electrostatic electrode plate assembly is disposed in the accommodating space, and includes a high-voltage group and a low-voltage group; the high-voltage group has a plurality of electrode lines that are electrically connected to each other, and the electrode lines are arranged at intervals along a direction, The electrode lines are electrically connected to the high-voltage generator; the low-voltage group is disposed adjacent to the high-voltage group but not in contact with the high-voltage group, and has a plurality of electrode plates, the electrode plates are spaced along the direction Arranged, the electrode plates are electrically connected to each other and connected to the low voltage generator; wherein each electrode plate has a core plate and a metal layer covering the core plate; each of the core plates is a non-metallic material . The first filter screen and the second filter screen are disposed in the accommodating space; the first filter screen is located between the air inlet and the high-voltage group of the electrostatic electrode plate combination; the second filter screen is located in the outlet between the low-voltage group of the tuyere and the electrostatic electrode plate combination.

The effect of the present invention is that the core plate of each of the aforementioned electrode plates is made of non-metallic material, and the specific gravity of the non-metallic material is smaller than that of the metal, and the weight is lighter than that of the conventional electrode plate. In addition, the metal layer of each electrode plate is a metal material resistant to corrosion by strong acid or alkali, which is more resistant to strong acid or alkali than conventional aluminum electrode plates. Compared with the prior art, the electrostatic electrode plate combination and the electrostatic decontamination device with the aforementioned electrode plate reduce the labor of the operator due to the weight reduction, and will not be corroded by the cleaning solution of strong acid or alkali.

〔this invention〕

100: Electrostatic electrode plate combination

10: Support frame

12: Frame

121: The first side

121a: The first air outlet

122: The second side

122a: Second air outlet

123: The third side

124: Fourth side

123a, 124a: through holes

14: The first electrified board

16: Second electrified board

18: Insulator

20: High voltage group

22: Electrode wire

24: The first fixed rod

30: Low voltage group

32: Electrode plate

321: core board

322: metal layer

34:Second fixed rod

400: Electrostatic decontamination device

410: Shell

410a: Opening

410b: air inlet

410c: air outlet

412: Inner Wall

420: The first filter

430: Second filter

440: Power Control Components

441: Cover

442: High Voltage Conductive Parts

443: Low Voltage Conductive Parts

444: Insulator

445: Electronic control module

445a: High Voltage Generators

445b: Low Voltage Generator

S1: Internal space

S2: accommodating space

D1: first thickness

D2: Second thickness

FIG. 1 is a perspective view of an electrostatic electrode plate assembly according to a preferred embodiment of the present invention.

FIG. 2 is a partially exploded view of FIG. 1 .

FIG. 3 is a top view of FIG. 1 .

FIG. 4 is a partial schematic view of FIG. 3 .

FIG. 5 is an exploded view of the application of the aforementioned electrostatic electrode plate combination to an electrostatic decontamination device.

FIG. 6 is a partial schematic view of FIG. 5 .

FIG. 7 is a perspective view of the aforementioned electrostatic decontamination device.

FIG. 8 is a right side view of FIG. 7 .

FIG. 9 is a plan view of FIG. 7 .

In order to describe the present invention more clearly, preferred embodiments are given and described in detail with the drawings as follows. The embodiments described in the present disclosure are described using specific language, and it should be understood that they are not intended to limit the scope of the present disclosure.

Any changes or modifications to the described embodiments, as well as any further applications of the principles described herein, should be deemed to be within the reach of those of ordinary skill in the art to which this invention pertains. As used herein, the singular forms "a", "an" and "the" are also intended to include the plural forms.

Please refer to FIG. 1 to FIG. 2 , which is an electrostatic electrode plate assembly 100 according to a preferred embodiment of the present invention, which includes a support frame 10 , a high voltage group 20 , and a low voltage group 30 .

The support frame 10 has a frame body 12 , a first energizing plate 14 and a second energizing plate 16 . The frame body 12 has a first surface 121 , a second surface 122 , a third surface 123 and a fourth surface 124 . The first surface 121 and the second surface 122 are arranged opposite to each other, and the third surface 123 and the fourth surface 124 are arranged opposite to each other. One side edge of the third surface 123 is connected to the first surface 121, and the other side is connected to the first surface 121. One side edge is connected to the second surface 122 . One side edge of the fourth surface 124 is connected to the first surface 121 , and the other side edge is connected to the second surface 122 . The first surface 121 has a first tuyere 121a, and the second surface 122 has a second tuyere 122a corresponding to the first tuyere 121a. The third surface 123 and the fourth surface 124 respectively have a plurality of through holes, and the through holes 123 a of the third surface 123 are disposed correspondingly to the through holes 124 a of the fourth surface 124 . The first surface 121 , the second surface 122 , the third surface 123 and the fourth surface 124 together form an inner space S1 . The first conduction plate 14 and the second conduction plate 16 are fixed outside the frame body 12 and insulated from the frame body 12 , and the first conduction plate 14 and the second conduction plate 16 are not in contact with each other. More specifically, the support frame 10 includes a plurality of insulators 18 , and the insulators 18 are disposed on the third surface 123 of the support frame 10 . The first conduction plate 14 and the frame body 12 are connected to each other by at least one insulator 18 . In this embodiment, the first conduction plate 14 and the frame body 12 are connected to each other through two insulators 18 . The second energizing plate 16 and the frame body 12 are also connected to each other by at least one insulator 18. In this embodiment, the size of the second energizing plate 16 is larger than that of the first energizing plate 14, so the second energizing plate 16 The frame body 12 is connected to each other by four insulators 18 to increase the stability. More alternatively, referring to FIG. 3 , another first energizing plate 14 and another second energizing plate 16 are added and combined with the fourth surface 124 of the frame body 12 in the aforementioned manner.

The high-voltage group 20 is disposed in the inner space S1 and has a plurality of electrode lines 22 and at least one first fixing rod 24 . The number of the first fixing rods 24 in this embodiment is two, however, it is not limited to this. The electrode wires 22 are arranged at intervals along the longitudinal axis of the two first fixing rods 24 , and one end of each electrode wire 22 is fixed and electrically connected to one of the two first fixing rods 24 . The other end of the wire 22 is fixed and electrically connected to the other of the two first fixing rods 24 . 3, one end of each of the first fixing rods 24 penetrates through the through hole 123a of the third surface 123 of the frame body 12, and is then fixed and electrically connected to the first energizing plate 14; each of the first fixing rods 24 The other end penetrates through the through hole 124a of the fourth surface 124, and is then fixed and electrically connected on the other first energizing plate 14 . However, in other embodiments, one end of the first fixing rod is fixed and electrically connected to a first energizing plate, and the other end is fixed and insulated with the fourth surface of the frame body.

The low voltage group 30 is disposed in the inner space S1 , and is disposed adjacent to the high voltage group 20 but not in contact with the high voltage group 20 . The low voltage group 30 has a plurality of electrode plates 32 and at least one second fixing rod 34 . The number of the second fixing rods 34 in this embodiment is four, however, it is not limited to this. The electrode plates 32 are arranged at intervals along the longitudinal axis of at least one second fixing rod 34 , and the electrode plates 32 are fixed and electrically connected to the second fixing rods 34 . The second fixing rods 34 are arranged parallel to each other and parallel to the two first fixing rods 24 . One end of each of the second fixing rods 34 penetrates through a through hole 123 a of the third surface 123 of the frame body 12 , and is then fixed and electrically connected to the second energizing plate 16 ; the other end penetrates through a through hole 124 a of the fourth surface 124 , Then, another second energizing plate 16 is fixed and electrically connected. However, in other embodiments, one end of the second fixing rod is fixed and electrically connected to a first energizing plate, and the other end is fixed and insulated with the fourth surface of the frame body.

Please refer to FIG. 4 again. FIG. 4 is a top view of one of the electrode plates 32 in FIG. 3 . The electrode plate 32 of the low voltage group 30 has a core plate 321 and a metal layer 322 covering the core plate 321 . Wherein, the core board 321 is a non-metallic material, and the non-metallic material includes plastic and has the characteristics of high temperature resistance. The types of plastics include polyethylene terephthalate (PET), high density polyethylene (HDPE), polyvinyl chloride (PVC), low density polyethylene (LDPE), polystyrene (PS), polypropylene (PP) ), polycarbonate resin (PC), polylactic acid (PLA), or a combination thereof. The material of the metal layer 322 includes copper, chromium, stainless steel or a combination thereof, and has the property of being resistant to strong acid or strong alkali corrosion. The method of attaching the metal layer 322 to the surface of the core board 321 includes electroplating, electroless plating, attaching, chemical vapor deposition or physical vapor deposition. Electroplating refers to immersing the core plate 321 in a solution containing metal ions, and using the principle of electrochemistry, the metal ions are reduced and precipitated. The metal layer 322 is formed by depositing on the surface of the core board 321 after extraction. Electroless plating refers to immersing the core board 321 in a plating solution containing metal ions, and utilizing the metal ions to react with the surface of the core board 321 by self-redox reaction, so that the metal ions are deposited on the surface of the core board 321 to form the metal layer 321. Attaching refers to sticking the prepreg with the material of the metal layer 322 to the surface of the core board 321 , so that the surface of the core board 321 is attached with the conductive metal layer 322 . The chemical vapor deposition refers to chemically reacting the gaseous reactant containing the material of the metal layer 322 with the surface of the core board 321 to form the metal layer 322 . Physical vapor deposition refers to the use of physical discharge technology to evaporate the target with the metal layer 322 material under vacuum conditions, and the evaporated target is deposited on the surface of the core board 321 under the action of an electric field to form the metal layer 322 . However, the method of attaching the metal layer 322 to the core board 321 is not limited to the foregoing.

4, each of the electrode plates 32 has a first thickness D1, and each of the core plates 321 has a second thickness D2. Wherein, the first thickness D1 of the electrode plate 32 is between 0.7 and 1.2 cm, and the second thickness D2 of the core plate 321 is between 0.6-1.1 cm. Preferably, the first thickness D1 of the electrode plate 32 is between 0.8-1.0 cm, and the second thickness D2 of the core plate 321 is between 0.8-0.9 cm. The purpose of designing the first thickness D1 and the second thickness D2 of the electrode plate 32 is that if the second thickness D2 is less than 0.6 cm, in order to maintain a proper distance between any two adjacent electrode plates 32, the second thickness is too thin. D2 will cause the operator to install too many electrode plates 32, which will cause inconvenience in assembly; if the second thickness D2 is greater than 1.1 cm, it is easy to prevent air from passing through the gaps between the electrode plates 32, resulting in low air purification efficiency. In addition, unnecessary weight is added. The numerical range of the first thickness D1 of the electrode plate 32 is designed so that the specific gravity of the whole electrode plate 32 is lighter than that of the conventional fully metal electrode plate, thereby reducing the overall weight.

As shown in FIGS. 5 to 9 , the electrostatic electrode plate assembly 100 described above is applied to an electrostatic decontamination device 400 , but the electrostatic decontamination device of the present invention can also be equipped with other types of electrostatic The electrode plate combination is not limited to the electrostatic electrode plate combination 100 described above. In FIGS. 5 to 9 , the electrostatic decontamination device 400 further includes a casing 410 , a first filter screen 420 , a second filter screen 430 and a power control component 440 , and the electrostatic electrode plate assembly 100 described above is used as the Example description.

The casing 410 has an accommodating space S2 inside, and includes an opening 410a, an air inlet 410b and an air outlet 410c. The air inlet 410b and the air outlet 410c are disposed opposite to each other and communicate with the casing 410 respectively. The outside and the accommodating space S2. The casing 410 is made of non-metallic material, and the non-metallic material includes plastic. The types of plastics include polyethylene terephthalate (PET), high density polyethylene (HDPE), polyvinyl chloride (PVC), low density polyethylene (LDPE), polystyrene (PS), polypropylene (PP) ), polycarbonate resin (PC), polylactic acid (PLA), or a combination thereof. The inner wall 412 of the casing 410 has a metal film (not shown).

The electrostatic electrode plate assembly 100 is disposed in the accommodating space S2. The first air outlet 121a of the first surface 121 of the frame body 12 corresponds to the air inlet 410b, the second air outlet 122a of the second surface 122 corresponds to the air outlet 410c, and the third surface 123 corresponds to the opening 410a.

The first filter screen 420 and the second filter screen 430 are disposed in the accommodating space S2. The first filter screen 420 is located between the air inlet 410b and the high voltage group 20 of the electrostatic electrode plate assembly 100 , and the second filter screen 430 is located between the air outlet 410c and the low voltage group of the electrostatic electrode plate assembly 100 between 30.

As shown in FIG. 5 to FIG. 7 , the power control assembly 440 has a cover 441 , a high-voltage conductive member 442 and a low-voltage conductive member 443 . The cover body 441 is pivoted on the casing 410 and can be operatively closed or opened to expose the opening 410a of the casing 410 . The high-voltage conductive member 442 and the low-voltage conductive member 443 are insulated from each other. The high-voltage conductive member 442 and the low-voltage conductive member 443 are disposed on the side of the cover 441 corresponding to the opening 410 a and are insulated from the cover 441 . More specifically, the power control assembly 440 has a plurality of insulators 444. In this embodiment, the number of the insulators 444 is two. By one of the two insulators 444, the high-voltage conductive member 442 and the cover body 441 are insulated from each other; by the other of the two insulators 444, the low-voltage conductive member 443 and the cover body 441 are insulated from each other. insulated from each other. The insulating system is used to avoid corona or noise caused by short-circuit fusing of resistance or gas failure caused by voltage between the conductive member and the cover. The power control assembly 440 includes an electronic control module 445 . The electronic control module 445 is electrically connected to an external power source (not shown), and has a high voltage generator 445a and a low voltage generator 445b, as shown in FIG. 8 , the high voltage generator 445a and the low voltage generator 445a The generators 445b are insulated from each other, the high-voltage generator 445a is electrically connected to the high-voltage conductive member 442 , and the low-voltage generator 445b is electrically connected to the low-voltage conductive member 443 . In this embodiment, the electronic control module 445 is disposed inside the cover body 441 .

Referring to FIGS. 8 and 9 again, when the casing 410 is controlled to close the opening 410 a , the high-voltage conductive member 442 will interfere with the first energizing plate 14 , so that the high-voltage generator 445 a is connected to the first energizing plate 14 Electrical connection; the low-voltage conductive member 443 will interfere with the second energizing plate 16 , so that the low-voltage generator 445b and the second energizing plate 16 are electrically connected. The decontamination method of the electrostatic decontamination device 400 will be described in detail below. After the air enters the accommodating space S2 from the air inlet 410b of the housing 410, the air first passes through the first filter screen 420 for preliminary filtering, and then the air The fine particles pass through the gaps between the electrode wires 22 of the high voltage group 20, and the fine particles become charged particles after being subjected to the voltage of the high voltage group 20, and the charged particles move from the high voltage group 20 to the low voltage group 30, The charged particles are adsorbed on the surfaces of the electrode plates 32 of the low-voltage group 30 , and the air without charged particles passes through the gaps between the electrode plates 32 , and then passes through the second filter screen 430 , and is released from the The air outlet 410c leaves the accommodating space S2 to accomplish the purpose of air purification.

To sum up, the electrode plate 32 in the electrostatic electrode plate assembly 100 of the present embodiment adopts a structural design having a core plate 321 and a metal layer 322 covering the core plate 321 . in The core plate 321 is made of non-metallic materials, such as various common plastics, which helps to reduce the weight of the electrode plate 32 , thereby greatly reducing the weight of the electrostatic electrode plate assembly 100 or the electrostatic decontamination device 400 including the electrostatic electrode plate assembly 100 . The metal layer 322 is made of a metal material resistant to strong acid or alkali, such as copper, chromium, stainless steel or a combination thereof. Therefore, when cleaning and maintaining the electrode plates 32, the operator does not need to worry about the cleaning of strong acid or alkali. The liquid corrodes the electrode plates 32 and causes the electrode plates 32 to become thinner. In addition, compared with the conventional aluminum electrode plate, the electrode plate 32 of this embodiment has a longer service life. In addition, the housing 410 of the electrostatic decontamination device 400 is made of non-metallic materials, such as various common plastics. The purpose of using non-metallic materials is to make the shell lighter than the conventional metal shell, and reduce the labor cost of cleaning, maintenance or handling. Connection by spot welding requires a lot of manpower and time. On the other hand, the housing 410 of this embodiment does not have the above-mentioned disadvantages, and only needs to be manufactured by open molds, that is, integral molding, which is helpful for the industry to improve production efficiency.

The above descriptions are only preferred feasible embodiments of the present invention, and any equivalent changes made by applying the description of the present invention and the scope of the patent application should be included in the patent scope of the present invention.

100: Electrostatic electrode plate combination 10: Support frame 12: Frame 14: The first electrified board 16: Second electrified board 20: High voltage group 30: Low voltage group

Claims (21)

An electrostatic electrode plate assembly, comprising: a support frame body with a frame body, a first electrification plate and a second electrification plate; the frame body has an inner space; the first electrification plate and the second electrification plate are fixed set on the frame body and insulated from the frame body, and the first energized plate and the second energized plate do not contact each other; a high-voltage group is arranged in the inner space and has a plurality of electrode lines and at least one first a fixing rod; one end of each electrode wire is fixed and electrically connected to the at least one first fixing rod, the electrode wires are arranged at intervals along the long axis of the at least one first fixing rod; the at least one first fixing rod One end of the rod is fixed and electrically connected to the first energizing plate; and a low-voltage group is arranged in the inner space, and is arranged adjacent to the high-voltage group but not in contact with the high-voltage group, and has a plurality of electrode plates and at least one second fixing rod; the electrode plates are fixed and electrically connected to the at least one second fixing rod, and are arranged at intervals along the long axis of the at least one second fixing rod; the at least one second fixing rod One end of the fixing rod is fixed and electrically connected to the second current-carrying plate; wherein, each electrode plate has a core plate and a metal layer covering the core plate; each core plate is made of non-metallic material, non-metallic material The specific gravity is less than that of the metal. The electrostatic electrode plate assembly according to claim 1, wherein each of the electrode plates has a first thickness; the first thickness is between 0.7 cm and 1.2 cm. The electrostatic electrode plate assembly according to claim 1, wherein each of the core plates has a second thickness; the second thickness is between 0.6-1.1 cm. The electrostatic electrode plate assembly according to claim 1, comprising a plurality of insulators; the first energized plate and the frame system are connected to each other by at least one of the insulators; the second energized plate and the frame system are connected to each other by at least one of the insulators connected to each other. The electrostatic electrode plate assembly of claim 1, wherein the at least one first fixing rod is parallel to the at least one second fixing rod. The electrostatic electrode plate assembly according to claim 1, wherein the number of the first fixing rods is two; one end of each electrode wire is fixed and electrically connected to one of the two first fixing rods, and each electrode The other end of the wire is electrically connected to the other of the two first fixing rods; one end of each of the first fixing rods is electrically connected to the first electrification plate. The electrostatic electrode plate assembly according to claim 1, wherein the non-metallic material comprises plastic; the material of the metal layer comprises copper, chromium, stainless steel or a combination thereof. The electrostatic electrode plate assembly as claimed in claim 1, wherein the method of attaching the metal layer to the surface of the core plate comprises electroplating, electroless plating, attaching, chemical vapor deposition or physical vapor deposition. An electrostatic decontamination device, comprising: a casing, the interior of the casing has an accommodating space, and includes an air inlet and an air outlet, the air inlet and the air outlet are respectively connected to the outside of the casing and the air outlet. accommodating space; a power control component fixed to the casing and including a high-voltage generator and a low-voltage generator, the high-voltage generator and the low-voltage generator are insulated from each other; an electrostatic electrode plate assembly is provided In the accommodating space, it includes a high voltage group and a low voltage group; the high voltage group has a plurality of electrode lines that are electrically connected to each other, the electrode lines are arranged at intervals along a direction, and the electrode lines are electrically connected to each other. The high-voltage generator is electrically conductive and electrically connected; the low-voltage group is arranged adjacent to the high-voltage group but not in contact with the high-voltage group, and has a plurality of electrode plates, which are arranged at intervals along the direction , the electrode plates are electrically connected to each other and are electrically connected to the low-voltage generator; wherein each of the electrode plates has a core plate and a metal layer covering the core plate; each of the core plates is a non-metallic material, The specific gravity of the non-metallic material is less than that of the metal; and A first filter screen and a second filter screen are disposed in the accommodating space; the first filter screen is located between the air inlet and the high-voltage group of the electrostatic electrode plate combination; the second filter screen is located in the Between the air outlet and the low voltage group of the electrostatic electrode plate combination. The electrostatic decontamination device according to claim 9, wherein the electrostatic electrode plate assembly comprises a support frame body and a plurality of insulators; the support frame body has a frame body, a first electrification plate and a second electrification plate; the The frame body has an inner space, and the high-voltage group and the low-voltage group are arranged in the inner space; the first energization plate and the second energization plate do not contact each other, and the first energization plate and the frame system are connected by at least The insulators are fixedly connected to each other in an insulating manner, the second energization plate and the frame system are fixedly connected to each other in an insulating manner by at least one of the insulators; the electrode wires of the high-voltage group are electrically connected to the first energization plate and are The high-voltage generator is electrically connected; the electrode plates of the low-voltage group are electrically connected to the second energizing plate to be electrically connected to the low-voltage generator. The electrostatic decontamination device of claim 10, wherein the high-voltage group has at least one first fixing rod parallel to the direction; one end of each electrode wire of the high-voltage group is fixed and electrically connected to the at least one first fixing rod a fixed rod. The electrostatic decontamination device of claim 10, wherein the low-voltage group has at least one second fixing rod fixed to the second energizing plate; the at least one second fixing rod is parallel to the direction; the low-voltage group has The electrode plates are fixed and electrically connected to the at least one second fixing rod. The electrostatic decontamination device according to claim 9, wherein each of the electrode plates has a first thickness; the first thickness is between 0.7 and 1.2 cm. The electrostatic decontamination device according to claim 9, wherein each of the core boards has a second thickness; the second thickness is between 0.6-1.1 cm. The electrostatic decontamination device according to claim 11, wherein the number of the first fixing rods is two; one end of each electrode wire is fixed and electrically connected to one of the two first fixing rods, and each electrode wire is The other end of the first fixing rod is electrically connected to the other one of the two first fixing rods; one end of each of the first fixing rods is electrically connected to the first electrifying plate. The electrostatic decontamination device according to claim 9, wherein the non-metallic material comprises plastic; the material of the metal layer comprises copper, chromium, stainless steel or a combination thereof. The electrostatic decontamination device as claimed in claim 9, wherein the method of attaching the metal layer to the surface of the core board comprises electroplating, electroless plating, sticking, chemical vapor deposition or physical vapor deposition. The electrostatic decontamination device according to claim 9, wherein the casing system is made of non-metallic materials, and the inner wall of the casing has a metal film. The electrostatic decontamination device according to claim 18, wherein the non-metallic material used in the casing comprises plastic. The electrostatic decontamination device according to claim 10, wherein the power control assembly has a cover, a high-voltage conductive member and a low-voltage conductive member, the high-voltage conductive member and the low-voltage conductive member are insulated from each other; the cover is pivoted in the casing, and can be operatively closed or opened to expose an opening of the casing; the high-voltage generator and the low-voltage generator are disposed on the cover and insulated from the cover; The high-voltage conductive member and the low-voltage conductive member are disposed on the side of the cover body corresponding to the opening, and are insulated from the cover body; the high-voltage conductive member is electrically connected to the high-voltage generator and the first conduction plate, and the low-voltage conductive member is electrically connected to the high-voltage generator and the first conduction plate. The device is electrically connected to the low-voltage generator and the second power-on board. The electrostatic decontamination device as claimed in claim 20, wherein the power control component has a plurality of insulators; and the high-voltage conductive member is made of at least one of the insulators. The cover system is insulated from each other; the low-voltage conductive member and the cover system are insulated from each other by at least one other of the insulators.

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