TWI809508B - Electrostatic decontamination device - Google Patents

Abstract

An electrostatic decontamination device includes a housing, a collecting tray, a power supply module and an electrostatic adsorption module, the housing includes a top base and a base, the top base has a first space, and the base has a A second space, the top seat includes a partition to divide the inner space of the housing up and down into the first space and the second space, the partition has a through hole connecting the first space and the second space, the The collection tray can be arranged in the second space through the opening at the bottom of the casing, and the top opening of the collection tray faces the through hole of the partition; the power supply module is arranged on the casing; the electrostatic The adsorption module is arranged in the first space and is electrically connected with the power supply module to purify the air. The base and the collection tray are made of materials with a specific gravity smaller than that of metal.

Description

Electrostatic decontamination device

The present invention relates to air filtering equipment; in particular, it refers to an electrostatic decontamination device.

It is known that in recent years, air pollution has become increasingly serious. In addition to causing environmental damage, fine particles in the air are likely to affect people's health. In order to maintain the environment and people's health, the industry has successively installed air purification devices in the gas discharge pipelines to make the exhaust gas meet the air emission standards.

Take an electrostatic decontamination device used in boiler discharge pipes as an example. The electrostatic decontamination device is used to filter oil fume particles in the air. The electrostatic decontamination device includes an electrostatic electrode plate set in a housing, and the air Enter the housing through an air inlet of the housing. When the soot particles in the air pass through the high-voltage area of the electrostatic electrode plate assembly, charged particles are formed. These charged particles move to the low-voltage area and are adsorbed on the collector of the electrostatic electrode plate assembly. The dust area, so that the air without oil fume particles passes through the dust collection area and is discharged from the housing through an air outlet of the housing to achieve the effect of purifying the air.

However, in addition to being adsorbed on the dust collection area of the electrostatic electrode plate assembly, some oil fume particles are easily affected by gravity and accumulate on the bottom of the housing, which leads to problems such as difficult cleaning and odor emission. In addition, most static electricity The casing of the decontamination device is made of heavy metal material, which not only has complicated processing procedures, but also is not conducive to transportation or installation. Therefore, the conventional electrostatic decontamination device still needs to be improved.

In view of this, the purpose of the present invention is to provide an electrostatic decontamination device which can facilitate the removal of dust or oil fume particles accumulated at the bottom of the casing.

In order to achieve the above object, an electrostatic decontamination device provided by the present invention includes a casing, a collecting tray, a power supply module and an electrostatic adsorption module, the casing includes a top seat and a base, and the top The seat is arranged above the base, the top seat has a first space, the base has a second space, the top seat includes a body and a first cover plate, the body has the first space and one side opening, the The side opening communicates with the first space, the first cover plate is pivotally mounted on the body and can close or open the side opening, and the body includes a partition to divide the inner space of the housing into the first space and the second space. Two spaces, the partition has a through hole communicating with the first space and the second space, the base has an opening communicating with the second space; the collecting tray can be set in the second space through the opening of the base, The top opening of the collection tray faces the through hole of the partition; the power supply module is arranged on the casing; and the electrostatic adsorption module is arranged in the first space, electrically connected to the power supply module connected to purify the air; wherein, the base and the collecting tray are made of a material containing a specific gravity smaller than metal, and the body is made of a material containing metal.

The effect of the present invention is that when the air passes through the electrostatic adsorption module, when the dust or soot particles adsorbed on the electrostatic adsorption module fall on the partition due to gravity, the dust or soot particles can Through the through hole, it is collected in the collection tray, and the collection tray can be taken out from the opening for cleaning, thereby achieving the effect of removing dust or soot particles and eliminating odors. In addition, through the base and the collection tray Made of materials with a specific gravity smaller than that of metals, the overall weight of the electrostatic decontamination device can be greatly reduced to facilitate transportation or installation.

〔this invention〕

1,2: Electrostatic decontamination device

10: shell

101: air inlet

102: Air outlet

103: opening

12: Partition

121: through hole

122: sheet metal parts

123: The first installation hole

14: top seat

141: top plate

141a: the second mounting hole

142: side opening

143: Mounting groove

144: First Pivot

145:Second Pivot

147: connecting bolt

14a: Ontology

14b: The first cover plate

14c: Second cover plate

14d: insulation

14e: metal layer

14f: conductive element

146: connector

146a: Sleeve

146b, 146c: Bolts

16: Base

161: support

161a: screw hole

162: upper board

162a: The third mounting hole

163: lower board

163a: The fourth mounting hole

16a: Groove

16b: metal conductive parts

20: collection plate

30: Power supply module

40: Electrostatic adsorption module

42: High voltage group

44:Low voltage group

50: the first filter

60: Second filter screen

70: metal plate

72: contact

80: Ground wire

R1: the first space

R2: second space

Fig. 1 is a front view of an electrostatic decontamination device according to a preferred embodiment of the present invention.

Fig. 2 is a perspective view of the electrostatic decontamination device of the above-mentioned preferred embodiment of the present invention.

Fig. 3 is a perspective view of the electrostatic decontamination device of the above-mentioned preferred embodiment of the present invention.

Fig. 4 is an exploded schematic diagram of some components of the electrostatic decontamination device according to the preferred embodiment of the present invention.

Fig. 5 is a side view of the electrostatic decontamination device of the above-mentioned preferred embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view along the line A-A of FIG. 1 .

Fig. 7 is a schematic cross-sectional view along the B-B direction of Fig. 1 .

Fig. 8 is a schematic diagram of the electrostatic decontamination device of the above-mentioned preferred embodiment of the present invention stacked on another electrostatic decontamination device.

Fig. 9 is a schematic diagram of an electrostatic decontamination device in another preferred embodiment.

In order to illustrate the present invention more clearly, preferred embodiments are given and detailed descriptions are given below in conjunction with drawings. Please refer to FIG. 1 to FIG. 6 , which is an electrostatic decontamination device 1 according to a preferred embodiment of the present invention, which includes a housing 10 , a collecting tray 20 , a power supply module 30 and an electrostatic adsorption module 40 .

Please refer to FIG. 1 to FIG. 6, the casing 10 includes a partition, the partition 12 divides the internal space of the casing 10 into a first space R1 and a second space R2, the electrostatic adsorption module 40 Set in the first space R1, the power supply module 30 is set on the casing 10 and electrically connected with the electrostatic adsorption module, the power supply module 30 includes a high voltage generator and a low voltage generator Device, the electrostatic adsorption module 40 includes a high voltage group 42 and a low voltage group 44, the high voltage generator and the low voltage generator are insulated from each other, the high voltage generator is electrically connected to the high voltage group 42, the low voltage generator is electrically connected to the low voltage group 44, the casing 10 is in The opposite sides respectively have an air inlet 101 and an air outlet 102. In this embodiment, the air outlet is connected to an air extraction device. The electrostatic decontamination device 1 includes a first filter screen 50 and a second filter screen 60 , the first filter 50 is located between the air inlet 101 and the high voltage group 42 , and the second filter 60 is located between the air outlet 102 and the low voltage group 44 .

In this way, after the air is drawn into the first space R1 from the air inlet 101 of the casing 10 by the suction device, it first passes through the first filter screen 50 for preliminary filtration, and the filtered fine particles pass through the high The voltage group 42 becomes charged particles after being subjected to high voltage treatment, and then these charged particles move from the high voltage group 42 to the low voltage group 44 and are adsorbed on the surface of the electrode plates of the low voltage group 44, while the air without charged particles Pass through the gap between the electrode plates, and then pass through the second filter screen 60 to filter again, and then discharge it from the air outlet 102, so as to achieve the purpose of air purification. In addition, the first filter screen 50 can also avoid The foreign matter is adsorbed on the electrostatic adsorption module 40 along the airflow direction.

The partition 12 has a through hole 121 communicating with the first space R1 and the second space R2, the bottom of the housing 10 has an opening 103 communicating with the second space R2, and the collecting tray 20 can pass through the bottom of the housing 10 The opening 103 is arranged in the second space R2, and the top opening of the collection tray 20 faces the through hole 121 of the partition 12, so that when the air passes through the electrostatic adsorption module 40, it is adsorbed on the When the dust or soot particles on the electrostatic adsorption module 40 fall on the partition 12 under the action of gravity, the dust or soot particles can be collected in the collecting tray 20 through the through hole 121, and the collecting tray 20 can be drawn out through the opening 103 for cleaning, thereby achieving the effects of removing dust or soot particles and eliminating peculiar smells.

It is further explained that the top surface of the partition plate 12 may include a plurality of inclined surfaces, and these inclined surfaces are inclined downward from the periphery of the partition plate 12 toward the through hole 121, In order to facilitate the dust or soot particles to slide down along the inclined surfaces and pass through the through hole 121 to be collected in the collecting tray 20, in addition, in this embodiment, a metal plate is arranged above the through hole 121 Part 122, the metal plate part 122 extends upward from the top surface of the partition 12, the metal plate part 122 has a shielding surface facing the through hole 121, the dust or soot particles adsorbed on the electrostatic adsorption module 40 are subjected to gravity When the function falls on the partition 12, the dust or soot particles can flow into the through hole 121 through the space between the partition 12 and the metal plate 122 and collect them in the collection tray 20, and pass through the metal The design of the plate 122 can prevent the dust or soot particles in the collecting tray 20 from flowing back into the first space R1 through the through hole 121 along with the airflow.

The casing 10 includes a top seat 14 and a base 16, the top seat 14 is arranged above the base 16, the top seat 14 has the partition 12 and the first space R1, the base 16 is arranged on the partition 12 Below, the base 16 and the bottom surface of the partition plate 12 jointly form the second space R2, and the base 16 has the opening 103. The base and the collecting tray are made of a material with a specific gravity smaller than metal. In this embodiment In an example, the base 16 and the collection tray 20 are made of plastic materials, and the types of plastic materials 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), Teflon or a combination thereof. In practice, the base and the collection tray can also be It is made of bakelite or plastic steel (POM), so that the overall weight of the electrostatic decontamination device can be effectively reduced and the manufacturing cost can be reduced.

As shown in Figures 7 to 8, the top seat 14 of the electrostatic decontamination device 1 includes a top plate 141 and a connecting piece 146, the top plate 141 has a second mounting hole 141a, the top seat 14 and the base 16 pass through The connector 146 is connected in a detachable manner, wherein the connector 146 includes a sleeve 146a and a bolt 146b, the partition 12 has a first mounting hole 123, and the base 16 includes an upper plate 162 and a lower plate 163, the second space R2 is located between the upper plate 162 and the lower plate 163, the top surface of the upper plate 162 is in contact with the bottom surface of the partition plate 12, and the upper surface of the base 16 The plate 162 and the lower plate 163 have a third mounting hole 162a and a fourth mounting hole 163a respectively, and the screw rod of the bolt 146b can pass through the first mounting hole 123 and the third mounting hole 162a in sequence and then pass through the The sleeve 146a is screwed with the internal thread of the sleeve 146a to connect the top seat 14 and the base 16. In this embodiment, the bolt 146b is combined on the partition plate 12 by welding. The user only needs to screw the sleeve 146a and the bolt 146b to sandwich the partition plate 12 and the upper plate 162 of the base 16 between the bolt 146b and the sleeve 146a so that the top seat 14 and the The base 16 is connected, so that when the top base 14 or the base 16 is unusable and needs to be replaced, the user does not need to discard the whole set of the electrostatic decontamination device, and can replace the top base 14 or the base 16 as the case may be. In order to effectively reduce the amount of large garbage, to achieve the effect of energy saving, environmental protection and friendly environment.

Please cooperate with Fig. 8, when the bottom of this electrostatic decontamination device 1 is connected with the top of another electrostatic decontamination device 2, the screw rod of another bolt 146c can pass through the first part of this other electrostatic decontamination device 2 in sequence. The second installation hole 141a, the fourth installation hole 163a of the electrostatic decontamination device 1 is passed through the sleeve 146a and screwed with the internal thread of the sleeve 146a, and the connection through the connecting piece 146 can make the electrostatic decontamination The structure when the sewage devices 1 are stacked is more stable. In addition, the electrostatic decontamination device 1 can pass through the second installation hole 141a of the top plate 141 through the screw of a connecting bolt 147 and then be locked on an installation surface such as the ceiling. Through the aforementioned technical features, when the user When installing multiple electrostatic decontamination devices, these electrostatic decontamination devices can be firmly connected to each other. Users can also choose to hang them in series or stack them on the ground depending on the environment. The electrostatic decontamination device can achieve the effect suitable for various use environments.

In this embodiment, the number of the connecting piece 146, the first installation hole 123, the second installation hole 141a, the third installation hole 162a and the fourth installation hole 163a is corresponding to the number and position of the support member 161 set to four respectively, in other embodiments, the connector 146. The number of the first installation hole 123, the second installation hole 141a, the third installation hole 162a and the fourth installation hole 163a can also be one or more, which can also achieve a stable stack of electrostatic decontamination devices put the effect of the structure.

Please cooperate with Fig. 3 again, this top seat 14 comprises a body 14a, a first cover plate 14b and a second cover plate 14c, and this body 14a is made by the material that comprises metal, and this first cover plate 14b and this second cover plate 14c The cover plate 14c is made of a material comprising a specific gravity less than metal, and the body 14a has the top plate 141, the air inlet 101, the air outlet 102, the partition 12, the first space R1 and a side opening 142, the side opening 142 communicates with the first space R1, the first cover 14b is pivotally mounted on the body 14a and can close or open the side opening 142, the first cover 14b has a mounting groove 143 on the side opposite to the side opening 142 , the second cover plate 14c is pivotally mounted on the first cover plate 14b and can close or open the notch of the installation groove 143, the electrostatic decontamination device 1 includes a metal plate 70 and a grounding wire 80 arranged in the installation groove 143, the power supply module 30 is set on the metal plate 70, the metal plate 70 has a contact point 72, one end of the ground wire 80 is connected to the contact point 72, and the other end is grounded. Seat 14 comprises a first pivot 144 and a second pivot 145, and this first pivot 144 and this second pivot 145 are respectively arranged on the top and the bottom of this body 14a, and this first cover plate 14b passes through this second pivot. A pivot 144 and the second pivot 145 are pivotally connected to the main body 14a, wherein the second pivot 145 is a hollow tube, one end of the ground wire 80 is connected to the contact point 72, and the other end passes through the second The hollow pipe body of the pivot 145 is grounded behind.

In this embodiment, the base 16 has a concave groove 16a formed from the surface for setting a metal conductive member 16b. The groove 16a is C-shaped and located on the top surface of the upper plate 162 of the base 16 16 side and the bottom surface of the lower plate 163, the metal conductive member 16b is arranged in the groove 16a, and the metal conductive member 16b is arranged on the part of the top surface of the upper plate 162 of the base 16 and the side surface of the base 16 and the lower plate 163. Parts of the bottom surface of the plate 163 are respectively in contact with the body 14a and a bottom installation surface, whereby when the electrostatic decontamination device 1 is placed on the bottom installation surface of a floor for example At this time, the body 14a can be grounded through the metal conductive member, and in this embodiment, the second pivot 145 is made of metal material, one end of the grounding wire 80 is connected to the contact 72, and the other end is connected to the second pivot. The shaft 145 is connected, and the second pivot 145 is in contact with the main body 14a. In this way, the metal plate 70 can be grounded through the ground wire 80, the second pivot 145, the main body 14a and the metal conductive member 16b. In practice, the metal conductive member 16b can also be arranged on the base 16 in other ways. For example, the metal conductive member 16b can also be arranged in the base by embedding, and the two metal conductive members 16b The end is exposed on the outside of the base 16 for contacting with the body 14a and the bottom mounting surface, so as to achieve the purpose of making the body 14a grounded through the metal conductive member 16b.

To illustrate again, the first cover 14b includes a metal layer 14e and a conductive element 14f, the metal layer 14e is disposed on the side of the first cover 14b facing the side opening 142 and covers the first cover. 14b inner surface, the conduction element 14f respectively connects the metal layer 14e and the metal plate 70, wherein the conduction element 14f can be a hollow bolt made of metal, the conduction element 14f passes through the first cover plate 14b and connects with the The metal plate 70 contacts, and then makes the metal layer 14e ground through the conductive element 14f, the metal plate 70, the ground wire 80, the second pivot 145, the body 14a and the metal conductive member 16b, and the body 14a and the metal conductive member 16b are grounded. The first cover 14b surrounds and forms an electromagnetic shielding space to prevent the electromagnetic field generated by the electrostatic adsorption module 40 from interacting with the external electromagnetic field. Practically, the metal layer 14e can be attached to the inner surface of the first cover 14b by means such as electroplating, electroless plating, sticking, chemical vapor deposition or physical vapor deposition.

To illustrate again, the side of the first cover plate 14b facing the side opening 142 is provided with a high-voltage conductive element and a low-voltage conductive element electrically connected to the power supply module 30, and the first cover plate 14b faces Two insulators 14d are provided on one side of the side opening 142 to respectively insulate the high-voltage conductive part and the low-voltage conductive part from the metal layer 14e. When the first cover plate 14b is controlled to close the side opening 142 , the high-voltage generator electrically conducts through the high-voltage conductor The high voltage group 42 is connected to supply high voltage power, and the low voltage generator is electrically connected to the low voltage group 44 through the low voltage conductive member to supply low voltage power.

In this embodiment, the first cover 14b is detachably connected to the main body 14a, the main body 14a and the partition 12 are made of metal materials, the first cover 14b and the second cover 14c Made of plastic materials, the types of plastic materials 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), Teflon or combinations thereof, types of metal materials include copper, chromium, stainless steel or combinations thereof, in practice, the first cover The board 14b and the second cover 14c can be made of bakelite or plastic steel (POM), whereby the second cover 14c can prevent the user from touching the power supply module 30 by mistake. In addition, Through the material selection of the first cover plate 14b and the second cover plate 14c, the overall weight of the electrostatic decontamination device 1 can be reduced, and the first cover plate 14b is detachably connected to the main body 14a Design, when the body 14a or the first cover 14b is unusable and needs to be replaced, the user does not need to discard the whole set of the electrostatic decontamination device, and can replace the body 14a or the first cover 14b according to the situation, so as to effectively reduce large-scale The amount of garbage can achieve the effect of energy saving, environmental protection and friendly environment. It should be noted that, in this embodiment, the first cover 14b, the second cover 14c, the base 16 and the collection tray 20 are made of materials that contain ultraviolet light. In practice, the first cover The plate 14b, the second cover plate 14c, the base 16 and the collecting tray 20 may also be components with a surface coating that resists ultraviolet light.

In another embodiment, the base 16 includes a support member 161, the support member 161 is disposed between the upper plate 162 and the lower plate 163 and abuts against the upper plate 162 and the lower plate 163 respectively, wherein the The support member 161 , the upper plate 162 and the lower plate 163 are integrally formed, whereby the base 16 can provide a more stable support for the top seat 14 .

To sum up, through the electrostatic decontamination device 1 of the present invention, when the air passes through the electrostatic adsorption module 40, the dust or soot particles adsorbed on the electrostatic adsorption module 40 fall on the partition under the action of gravity. When on the plate 12, the dust or oil fume particles can be collected in the collection tray 20 through the through hole 121, and the collection tray 20 can be taken out from the opening 103 for cleaning, so as to facilitate the removal of dust or oil fume particles and eliminate The effect of peculiar smell.

In addition, the overall weight of the electrostatic decontamination device 1 can be effectively reduced through the material selection of the base 16, the collecting tray 20, the first cover plate 14b and the second cover plate 14c, which is convenient for moving or transporting effect, the electrostatic decontamination device 1 of the present invention is further connected in a detachable manner between the top base 14 and the base 16, and the body 14a is detachably connected to the first cover plate Design, when the body 14a, the base 16 or the first cover 14b of the electrostatic decontamination device 1 needs to be replaced, the components that need to be replaced can be selectively replaced without discarding the entire electrostatic decontamination device. In order to effectively reduce the amount of large garbage, to achieve the effect of energy saving, environmental protection and friendly environment.

The above description is only a preferred feasible embodiment of the present invention, and all equivalent changes made by applying the description of the present invention and the scope of the patent application should be included in the scope of the patent of the present invention.

1: Electrostatic decontamination device

10: Shell

14: top seat

16: Base

16a: Groove

20: collection plate

Claims (15)

An electrostatic decontamination device, comprising: a shell, including a top seat and a base, the top seat is arranged above the base, the top seat has a first space, the base has a second space, the top seat includes A body and a first cover plate, the body has the first space and a side opening, the side opening communicates with the first space, the first cover plate is pivotally mounted on the body and can close or open the side opening, the The body includes a partition to divide the inner space of the shell into the first space and the second space, the partition has a through hole communicating with the first space and the second space, and the base has an opening communicating with the first space Two spaces; a collection tray, which can be arranged in the second space through the opening of the base, and the top opening of the collection tray faces the through hole of the partition; a power supply module, which is arranged in the housing above; and an electrostatic adsorption module, arranged in the first space, electrically connected with the power supply module, to purify the air; wherein, the base and the collecting tray are made of materials containing a specific gravity smaller than metal, The body is made of a material including metal; wherein, the top base includes a connecting piece through which the top base and the base are detachably connected; wherein the connecting piece includes a sleeve and a bolt , the partition has a first mounting hole, the base includes an upper board and a lower board, the second space is located between the upper board and the lower board, the top surface of the upper board abuts against the bottom surface of the partition board , the upper plate of the base has a third installation hole, the screw rod of the bolt can pass through the first installation hole and the third installation hole in sequence, and then pass through the sleeve and the inner threaded screw of the sleeve. combine. The electrostatic decontamination device as described in claim 1, wherein the top seat includes a second cover plate, the side of the first cover plate facing away from the side opening has a mounting groove, and the second cover plate is pivotally mounted on the The first cover plate can close or open the notch of the installation slot, and the first cover plate and the second cover plate are made of materials with a specific gravity smaller than that of metal. The electrostatic decontamination device according to claim 2, wherein the first cover, the second cover, the base and the collecting tray are made of materials containing ultraviolet light resistance. The electrostatic decontamination device according to claim 2, wherein the first cover is detachably connected to the body. The electrostatic decontamination device as described in claim 2, comprising a metal plate and a grounding wire arranged in the installation groove, the power supply module is arranged on the metal plate, the metal plate has a contact point, and the grounding wire One end is connected to this contact, and the other end is grounded. The electrostatic decontamination device according to claim 2, wherein the base, the collecting tray, the first cover and the second cover are made of materials including plastic. An electrostatic decontamination device, comprising: a shell, including a top seat and a base, the top seat is arranged above the base, the top seat has a first space, the base has a second space, the top seat includes A body and a first cover plate, the body has the first space and a side opening, the side opening communicates with the first space, the first cover plate is pivotally mounted on the body and can close or open the side opening, the The body includes a partition to divide the inner space of the shell into the first space and the second space, the partition has a through hole communicating with the first space and the second space, and the base has an opening communicating with the first space Two spaces; a collection tray, which can be arranged in the second space through the opening of the base, and the top opening of the collection tray faces the through hole of the partition; a power supply module, which is arranged in the housing on; and An electrostatic adsorption module is arranged in the first space and is electrically connected with the power supply module to purify the air; wherein, the base and the collecting tray are made of materials containing a specific gravity smaller than metal, and the body is made of Made of materials including metal; wherein, the top base includes a connecting piece through which the top base and the base are detachably connected, and the connecting piece includes a sleeve and a bolt; wherein the base It includes an upper board and a lower board, the second space is located between the upper board and the lower board, the top surface of the upper board is in contact with the bottom surface of the partition board; wherein the top seat includes a top board, and the top board has a The second installation hole, the lower plate of the base has a fourth installation hole, when the bottom of the electrostatic decontamination device is connected to the top of another electrostatic decontamination device, the screw rod of another bolt can pass through the other in sequence The second installation hole of an electrostatic decontamination device and the fourth installation hole of the electrostatic decontamination device are passed through the sleeve and screwed with the inner thread of the sleeve. The electrostatic decontamination device according to claim 7, wherein the electrostatic decontamination device can be locked on an installation surface after passing through the second installation hole of the top plate through a screw rod of a connecting bolt. The electrostatic decontamination device according to claim 7, wherein the base includes a support member, the support member is arranged between the upper plate and the lower plate and abuts against the upper plate and the lower plate respectively. An electrostatic decontamination device, comprising: a shell, including a top seat and a base, the top seat is arranged above the base, the top seat has a first space, the base has a second space, the top seat includes A body and a first cover plate, the body has the first space and a side opening, the side opening communicates with the first space, the first cover plate is pivotally mounted on the body and can close or open the side opening, the The body includes a partition to divide the inner space of the housing into the first space and the second space up and down, and the partition has A through hole communicates with the first space and the second space, and the base has an opening to communicate with the second space; a collection tray can be arranged in the second space through the opening of the base, and the top of the collection tray is opened facing the through hole of the partition; a power supply module set on the casing; and an electrostatic adsorption module set in the first space and electrically connected with the power supply module for Purify the air; and wherein, the top seat includes a second cover plate, the first cover plate has a mounting groove on the side facing away from the side opening, the second cover plate is pivotally arranged on the first cover plate and can be closed Or open the notch of the installation groove, the first cover plate and the second cover plate are made of materials with a specific gravity smaller than metal; wherein, the electrostatic decontamination device includes a metal plate and a grounding wire arranged in the installation groove Among them, the power supply module is set on the metal plate, and the metal plate has a contact point, one end of the grounding wire is connected to the contact point, and the other end is grounded; wherein, the base and the collecting tray are made of metal with a specific gravity smaller than that of metal material, the body is made of material including metal; wherein, the top seat includes a first pivot and a second pivot, the first pivot and the second pivot are respectively arranged on the top of the body and the bottom, the first cover plate is pivotally connected to the body through the first pivot and the second pivot, wherein the second pivot is a hollow tube, one end of the grounding wire is connected to the contact point, and the other end After passing through the hollow tube body of the second pivot shaft, it is grounded. The electrostatic decontamination device as described in claim 10, wherein the base includes a metal conductive member for contacting the body and a bottom mounting surface, wherein the second pivot is made of metal material, the grounding One end of the wire is connected to the contact point, the other end is connected to the second pivot, and the second pivot is in contact with the body. The electrostatic decontamination device according to claim 11, wherein the first cover plate includes a metal layer and a conductive element, the metal layer is arranged on the side of the first cover plate facing the side opening, and the conductive elements are respectively connecting the metal layer and the metal plate. The electrostatic decontamination device according to claim 11, wherein the base has a groove formed inwardly from the surface for setting the metal conductive element, and the metal conductive element is in contact with the main body and the bottom mounting surface respectively. The electrostatic decontamination device according to claim 11, wherein the metal conductive member is embedded in the base, and both ends of the metal conductive member are exposed outside the base for contacting the main body and the bottom mounting surface. The electrostatic decontamination device according to claim 10, wherein the base, the collecting tray, the first cover and the second cover are made of materials including plastic.

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