CN215125667U

CN215125667U - Anti-static compact shelf

Info

Publication number: CN215125667U
Application number: CN202120618702.1U
Authority: CN
Inventors: 薛志华; 戚炳军
Original assignee: Hebei Ruihao Cabinet Industry Co ltd
Current assignee: Hebei Ruihao Cabinet Industry Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-12-14
Anticipated expiration: 2031-03-26

Abstract

The utility model provides an anti-static compact shelf, which comprises a cabinet body and a static removing component, wherein a laminate, a hanging plate, a top plate and a stand column of the cabinet body are formed by stamping and bending metal plates, an anti-static coating is sprayed on the outer surface of the metal plates, an anti-static roll material is laid on the upper end surface of the laminate, and the anti-static roll material comprises a surface layer and a bottom layer; the static electricity removing component is installed on the cabinet body and comprises an MCU micro-control board, a high-voltage generator and ionization needles, the number of the ionization needles is a plurality of, the ionization needles are sequentially inserted on the support from top to bottom at the same interval, and the support is installed in a U-shaped groove of the stand column through fasteners. Through the spraying antistatic coating and laying antistatic roll material, and add the static-removing component, the static on this compact shelf and storage books etc. is effectually eliminated for positive and negative paper is not adsorbed together, easily parts, thereby has improved scanning speed, has avoided electrostatic discharge to damage the paper surface simultaneously, leads to the paper yellow or fenestrate problem.

Description

Anti-static compact shelf

Technical Field

The utility model relates to a document management technical field specifically is an antistatic type is intensive.

Background

Compact shelving, also known as compact cabinets, is generally used for storing paper books, archives, financial documents and the like, and compared with conventional cabinets, shelves and file shelves, the compact shelving has large storage capacity and is more systematic.

When a file protection worker performs page turning scanning on paper books, files and financial vouchers which are important and precious or are long-lived, paper with the front and back sides in contact is firmly adsorbed together and is difficult to separate due to the fact that the front and back sides of the paper are opposite in electrical property after the paper is electrified, and the scanning speed is greatly reduced; in addition, electrostatic discharge generated during the page turning process of the book may damage the surface of the paper, causing the paper to turn yellow or to perforate.

However, most compact shelves on the market do not have the antistatic function, and in order to facilitate the scanning and protection of paper books, archives and financial documents by archive protection workers, those skilled in the art need to develop an antistatic compact shelf.

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an antistatic type is intensive, solves when turning over the book scanning, and the paper that causes the positive and negative contact because of the static that the paper was taken adsorbs together to and turn over the electrostatic discharge that the book in-process produced and injure the paper surface, thereby lead to scanning speed to reduce and paper yellowing or fenestrate problem.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following three kinds of technical scheme realize:

the utility model provides an antistatic type is intensive, and this is intensive includes the cabinet body, the cabinet body is listed as the combination with the cabinet body of the intensive collection of the dispersible of constitution is listed as and is listed as by adjustable shelf and mount, and includes guide rail, floorbar, stand, roof, link plate, plywood, the guide rail is fixed in subaerial through the inflation screw, the floorbar is in through the gyro wheel reciprocating linear motion is done on the guide rail, the stand lower extreme ann insert in on the floorbar, the roof is fixed the stand upper end is located leftmost end and rightmost end the stand outside is equipped with left side board and right side board respectively, the link plate is hooked and is hung on the stand, put at the both ends of plywood on the link plate, the number of piles of plywood is not less than the three-layer, wherein:

the laminated plate, the hanging plate, the top plate and the upright post are all formed by stamping and bending metal plates, and anti-static coatings are sprayed on the outer surfaces of the metal plates;

an anti-static coil is laid on the upper end face of the laminate, and the anti-static coil comprises a surface layer and a bottom layer;

the compact shelf further comprises a static removing assembly arranged on the cabinet body, wherein the static removing assembly comprises an MCU micro control board, a high-voltage generator and ionization needles, the high-voltage generator is electrically connected with the MCU micro control board, the ionization needles are electrically connected with the high-voltage generator through high-voltage shielding wires, the ionization needles are arranged on a support in a plurality of number and are sequentially inserted into the support from top to bottom at the same interval, and the support is arranged in a U-shaped groove of the stand column through a fastening piece.

Furthermore, the number of the guide rails is at least 2, the two adjacent guide rails are parallel, a rail groove is formed in each guide rail, and the rollers run in the rail grooves.

Further, the cabinet body still includes transmission module, transmission module includes driving motor, reduction gear, driving medium, controller, driving motor with the driving medium is all installed the inside of floorbar, the driving medium with the gyro wheel is connected, the driving medium pass through the clutch with driving motor connects, driving motor is connected with the controller through the connecting wire, the controller is fixed on the left side board, the controller with MCU little control board electric connection.

Further, the transmission module further comprises an operating handle, the operating handle is located in the middle of the left side plate, and the operating handle is connected with the transmission piece.

Further, the thickness of the anti-static coating is H, wherein H is more than or equal to 0.1mm and less than or equal to 0.25mm, and the color of the anti-static coating is not limited to white, blue, green and yellow.

Further, the color of the anti-static roll is the same as that of the anti-static coating.

Further, a polymer oil-based adhesive is coated on the bottom of the anti-static roll material, and the anti-static roll material is adhered to the upper end face of the laminate through the adhesive.

Further, the surface layer is a static dissipation layer, and the thickness of the surface layer is 0.4-0.6 mm; the bottom layer is a conductive layer, and the thickness of the bottom layer is 1.6-2.0 mm.

Further, the static electricity removing assembly further comprises an ion air knife and an air pump, the ion air knife is installed on the support and located on the rear side of the ionization needle, the ion air knife is connected with the air pump through an air pipe, the air pump is installed in the bottom beam, and the air pump is electrically connected with the MCU micro control board through a connecting wire.

Further, the static electricity removing assembly further comprises static electricity inductors arranged at the upper end and the lower end of the support, the static electricity inductors are used for collecting ions in the cabinet body, the static electricity inductors are electrically connected with the MCU micro control board through connecting wires, the MCU micro control board is used for processing the voltage formed on the static electricity inductors and comparing the voltage with preset voltage, and if the voltage formed on the static electricity inductors is larger than or equal to the preset voltage, the MCU micro control board is used for controlling the high-voltage generator.

(III) advantageous effects

The utility model provides an anti-static compact shelf, which comprises a cabinet body and a static removing component, wherein the laminate, the hanging plate, the top plate and the upright post of the cabinet body are formed by stamping and bending metal plates, the outer surface of the metal plates is sprayed with an anti-static coating, the upper end surface of the laminate is paved with an anti-static roll material, and the anti-static roll material comprises a surface layer and a bottom layer; the static-removing component is installed on the cabinet body, the static-removing component comprises an MCU micro control board and a high-voltage generator electrically connected with the MCU micro control board, and ionization needles electrically connected with the high-voltage generator through a high-voltage shielding wire, wherein the ionization needles are arranged on the support in a number and sequentially spaced at the same distance from top to bottom, and the support is installed in a U-shaped groove of the stand column through a fastener. Above structure, prevent the static coating through the spraying on the part of the cabinet body, and lay on the plywood and prevent the static coiled material, and add the subassembly that destatics, the effectual static that eliminates this intensive and store books etc. for at the books scanning in-process, the positive and negative paper is not adsorbed together, and is easily parted, thereby has improved scanning speed, has avoided books to damage the paper surface at the electrostatic discharge that turns over a page in-process and produce simultaneously, leads to the yellow or fenestrate problem of paper.

Drawings

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

FIG. 1 is a schematic structural diagram of the compact shelf according to the first embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a sectional view showing the structure of a metal plate and an antistatic coating in the first embodiment;

FIG. 4 is a cross-sectional view of an antistatic roll according to a first embodiment;

FIG. 5 is a schematic structural diagram of a static discharge assembly according to an embodiment;

FIG. 6 is a cross-sectional view of the electrostatic discharge assembly according to an embodiment;

FIG. 7 is a schematic circuit diagram of the compact shelf according to the first embodiment;

illustration of the drawings: 10-a cabinet body; 101-a guide rail; 102-a bottom beam; 103-upright post; 1031-U-shaped groove; 104-a top plate; 105-hanging the board; 106-ply; 107-rollers; 108-left side panel; 109-right side plate; 111-sheet metal; 112-antistatic coating; 113-antistatic roll; 1131-surface layer; 1132 — bottom layer; 114-a transmission module; 1141-a drive motor; 1142-a reducer; 1143-a controller; 1144-operating handle; 20-a static electricity removing component; 201-MCU micro control board; 202-high voltage generator; 204-an ionizing needle; 205-a scaffold; 206-ion wind knife; 207-air pump; 208-electrostatic inductor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. In addition, for the convenience of description, the terms "upper", "lower", "left" and "right" are used to refer to the same direction as the upper, lower, left, right, etc. of the drawings, and the terms "first", "second", etc. are used for descriptive distinction and have no special meaning.

To the problem that exists among the prior art, the utility model provides a first anti-static type is intensive, should intensive including the cabinet body, destatic the subassembly, the concrete description is as follows:

1-cabinet body

This intensive includes the cabinet body, the cabinet body is listed as the combination with the cabinet body of intensive collection by the adjustable shelf that the movable shelf is listed as and the mount is listed as the constitution, and includes guide rail, floorbar, stand, roof, link plate, plywood, the guide rail is fixed in subaerially through the inflation screw, the floorbar is in through the gyro wheel reciprocating linear motion is done on the guide rail, the stand lower extreme ann insert in on the floorbar, the roof is fixed stand upper end, be located leftmost end and rightmost end the stand outside is equipped with left side board and right side board respectively, the link plate hooks to be in on the stand, the both ends of plywood are put on the link plate, the number of piles of plywood is not less than the three-layer, wherein:

In a specific application scenario, the movable rack column refers to a cabinet column capable of performing reciprocating linear motion on the guide rail, and the fixed rack column is fixed relative to the movable rack column and cannot perform reciprocating linear motion on the cabinet column. The cabinet body is composed of a fixed frame row and a plurality of movable frame rows, the fixed frame row and the movable frame row positioned at the outermost side are of a single-sided closed structure, and the rest movable frames are of a double-sided open structure.

Wherein, this cabinet body not only can be for having the guide rail, can also include not having the guide rail, under the unchangeable prerequisite of this intensive work effect of assurance, technical personnel in the art can select to have or not have the guide rail according to actual need, no matter should intensive have or not the guide rail does not influence the protection scope of this application.

The cabinet body still includes the label holder, the label holder is made by transparent ya keli material, the paper label has been placed in the label holder, both ends all are equipped with the magnetic stripe about the label holder, the label holder warp the magnetic stripe adsorbs the upper portion of left side board. The content of the paper cabinet body, archives and financial document who deposits is carved with on this cabinet body row on the paper label to conveniently seek and read, adsorb on the left side board through setting up the magnetic stripe, have and paste convenient advantage.

The laminated plate, the hanging plate, the top plate and the upright post are all formed by stamping and bending metal plates, and anti-static coatings are sprayed on the outer surfaces of the metal plates.

In a specific application scene, the anti-static coating is sprayed to meet the requirement of static electricity prevention, so that the static electricity is effectively prevented, and the problems that paper sheets in front and back contact are adsorbed together due to the static electricity carried by the paper sheets during page turning scanning, and the paper sheet surface is damaged by static electricity discharge generated in the page turning process, so that the scanning speed is reduced, and the paper sheets are yellowed or perforated are solved.

And an anti-static roll is paved on the upper end surface of the laminate, and comprises a surface layer and a bottom layer.

In a specific application scene, the anti-static roll is made of static conductive materials, static dissipative materials, synthetic rubber and the like through various processes. The coiled material has double-layer solid structure design, uniform resistance distribution, acid and alkali resistance, high elasticity, high toughness, aging resistance, radiation protection, shock resistance, fatigue resistance and easy cleaning. The surface of the coiled material is smooth and clean, dust is not easy to adhere to the surface of the coiled material, and the coiled material is odorless.

In a specific application scenario, the number of the guide rails and the length of the cabinet body are in a direct proportional function relationship, when the length of the cabinet body is longer, the number of the guide rails is larger, but in order to ensure that the cabinet body can normally reciprocate linearly, the number of the guide rails is not less than 2.

In the concrete application scene, the transmission module is to ensure that the cabinet body can do reciprocating linear motion on the guide rail, and the transmission module should guarantee that the compact shelving is in production operation, and is flexible to open and close and free from stagnation.

The cabinet body further comprises an anti-extrusion protection module, and when the driving motor drives the cabinet body to run, the power supply of the driving motor is cut off through a photoelectric component or a pressure protection component of the anti-extrusion protection module, so that people or articles between the two rows are prevented from being extruded.

In a specific application scene, the transmission module further comprises a manual safe mechanical lock, the manual safe mechanical lock is located on the lower side of the operating handle, and the manual safe mechanical lock can be directly pulled when an emergency occurs, so that the cabinet body stops running.

In a specific application scene, the thickness H of the anti-static coating is 0.2mm, and the color of the anti-static coating is white.

In a specific application scene, the anti-static roll material and the anti-static coating have the same color, so that the compact shelf has uniform color and elegant appearance.

In concrete application scene, through scribbling the adhesive in the bottom of coiled material for the coiled material pastes on the plywood, thereby effectively prevents to move because of the taking out of books inserts, leads to moving of coiled material, makes books etc. directly contact with the plywood.

In a specific application scene, the static dissipation layer rapidly dissipates static electricity generated by the cabinet or the book in the book turning process, so that damage caused by the static electricity is prevented.

2-static electricity eliminating assembly

In a specific application scene, the static electricity removing component is an ionic static electricity removing device, the high-voltage generator generates point discharge through an ionization needle to ionize air, a large amount of airflow with positive and negative charges is generated, and the charges on the cabinet body and the books are neutralized. When the surface of an object is negatively charged, it will absorb positive charges in the air flow; when the surface of the object is positively charged, the object can absorb the negative charges in the airflow, so that the static electricity on the surface of the book is neutralized, and the aim of removing the static electricity is fulfilled.

In a specific application scene, the sharp discharge generated by the ionization needle is enabled to be better contacted with the charges in the air by additionally arranging the ion air knife, and the air pump is a component for providing an air source for the ion air knife.

In a specific application scene, the electrostatic inductor detects the content of ions in the cabinet body, and is charged positive charge or charged negative charge, in addition, the MCU micro control board is provided with an attenuation circuit, the attenuation circuit is a resistor with the resistance of more than 50 megaohms, the electrostatic inductor is electrically connected with the attenuation circuit, the voltage formed by the ions on the electrostatic inductor is processed through the attenuation circuit, the voltage formed by the MCU micro control board is compared with a preset voltage, and if the voltage formed by the ions on the electrostatic inductor is more than or equal to the preset voltage, the MCU micro control board controls the high-voltage generator, so that automatic control is realized.

The first embodiment is as follows:

based on the above conception, as shown in fig. 1-7, the present invention provides an anti-static compact shelf, as shown in fig. 1, the compact shelf includes a cabinet body 10, the cabinet body 10 is a combination of a movable frame row and a fixed frame row, which can be dispersed and densely gathered, and includes a guide rail 101, a bottom beam 102, a vertical column 103, a top plate 104, a hanging plate 105, and a layer plate 106, the guide rail 101 is fixed on the ground through an expansion screw, the bottom beam 102 makes a reciprocating linear motion on the guide rail 101 through a roller 107, the lower end of the vertical column 103 is inserted on the bottom beam 102, the top plate 104 is fixed on the upper end of the vertical column 103, the outer sides of the vertical column 103 at the leftmost end and the rightmost end are respectively provided with a left side plate 108 and a right side plate 109, the hanging plate 105 is hooked on the vertical column 103, both ends of the layer plate 106 are placed on the hanging plate 105, the layer number of the layer plate 106 is six, wherein:

the layer plate 106, the hanging plate 105, the top plate 104 and the upright post 103 are formed by punching and bending a metal plate 111, and as shown in fig. 3, an anti-static coating 112 is sprayed on the outer surface of the metal plate 111;

as shown in fig. 2, an antistatic roll 113 is laid on the upper end surface of the laminate 106, and as shown in fig. 4, the antistatic roll 113 includes a surface layer 1131 and a bottom layer 1132;

The compact shelving also comprises a static removing component 20 arranged on the cabinet body 10, as shown in fig. 5, the static removing component 20 comprises an MCU (microprogrammed control unit) micro control board 201, a high voltage generator 202 electrically connected with the MCU micro control board 201, and ionization needles 204 electrically connected with the high voltage generator 202 through high voltage shielding wires, the number of the ionization needles 204 is a plurality, and the ionization needles 204 are sequentially inserted on a bracket 205 at equal intervals from top to bottom, as shown in fig. 6, the bracket 205 is arranged in a U-shaped groove 1031 of the upright post 103 through fasteners.

Further, as shown in fig. 1, the number of the guide rails 101 is 3, the two adjacent guide rails 101 are parallel, a track groove is formed in each guide rail 101, and the roller 107 travels in the track groove.

Further, the cabinet 10 further includes a transmission module 114, the transmission module 114 includes a driving motor 1141, a speed reducer 1142, a transmission member and a controller 1143, the driving motor 1141 and the transmission member are both installed inside the bottom beam 102, the transmission member is connected with the roller 107, as shown in fig. 7, the transmission member is connected with the driving motor 1141 through a clutch, the driving motor 1141 is connected with the controller 1143 through a connection line, the controller 1143 is fixed on the left side plate 108, and the controller 1143 is electrically connected with the MCU micro control board 201.

Further, as shown in fig. 1, the transmission module 114 further includes an operating handle 1144, the operating handle 1144 is located in the middle of the left side plate 108, and the operating handle 1144 is connected to the transmission member.

Further, the thickness H of the anti-static coating 112 is 0.2mm, and the color of the anti-static coating 112 is white.

Further, the antistatic roll 113 has the same color as the antistatic coating 112.

Further, a polymer oil-based adhesive is applied to the bottom of the antistatic roll 113, and the antistatic roll 113 is adhered to the upper end surface of the laminate 106 by the adhesive.

Further, the surface layer 1131 is a static dissipative layer, and the thickness thereof is 0.5 mm; the bottom layer 1132 is a conductive layer, and its thickness is 1.8 mm.

Further, as shown in fig. 6, the static electricity removing assembly 20 further includes an ion air knife 206 and an air pump 207, the ion air knife 206 is installed on the bracket 205 and located at the rear side of the ionization needle 204, the ion air knife 206 is connected to the air pump 207 through an air pipe, the air pump 207 is installed in the bottom beam 102, and the air pump 207 is electrically connected to the MCU micro-control board 201 through a connection line.

Further, as shown in fig. 7, the static electricity removing assembly 20 further includes static electricity inductors 208 installed at upper and lower ends of the bracket 205, the static electricity inductors 208 are used for collecting ions in the cabinet body 10, the static electricity inductors 208 are electrically connected to the MCU micro control board 201 through connection lines, the MCU micro control board 201 processes voltages formed by the ions on the static electricity inductors 208 and compares the voltages with preset voltages, and if the voltages formed by the ions on the static electricity inductors 208 are greater than or equal to the preset voltages, the MCU micro control board 201 controls the high voltage generator 202.

Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to implement the present invention.

Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.

The above disclosure is only a concrete implementation scenario of the present invention, however, the present invention is not limited to this, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An anti-static compact shelf comprises a cabinet body (10), wherein the cabinet body (10) is composed of a dispersible and compact cabinet body (10) consisting of a movable frame row and a fixed frame row and comprises a guide rail (101), a bottom beam (102), a stand column (103), a top plate (104), a hanging plate (105) and a laminate plate (106), the guide rail (101) is fixed on the ground through expansion screws, the bottom beam (102) makes reciprocating linear motion on the guide rail (101) through rollers (107), the lower end of the stand column (103) is inserted on the bottom beam (102), the top plate (104) is fixed at the upper end of the stand column (103), the outer sides of the stand column (103) at the leftmost end and the rightmost end are respectively provided with a left side plate (108) and a right side plate (109), the hanging plate (105) is hooked on the stand column (103), and two ends of the laminate plate (106) are placed on the hanging plate (105), the number of layers of the laminate (106) is not less than three, characterized in that,

The laminated plate (106), the hanging plate (105), the top plate (104) and the upright post (103) are formed by stamping and bending a metal plate (111), and an anti-static coating (112) is sprayed on the outer surface of the metal plate (111);

an anti-static roll (113) is laid on the upper end face of the laminate (106), and the anti-static roll (113) comprises a surface layer (1131) and a bottom layer (1132);

this compact shelf is still including installing destatic subassembly (20) on cabinet body (10), destatic subassembly (20) including MCU micro control board (201), and with MCU micro control board (201) high voltage generator (202) of electric connection mutually, and through high-voltage shielded wire with ionization needle (204) of electric connection mutually of high voltage generator (202), the quantity of ionization needle (204) is a plurality of and from the top down in proper order the same distance apart on inserting support (205), support (205) are installed through the fastener in U type groove (1031) of stand (103).

2. The electrostatic-proof compact shelf as claimed in claim 1, wherein the number of the guide rails (101) is at least 2, and two adjacent guide rails (101) are parallel, the guide rails (101) are provided with rail grooves, and the rollers (107) run in the rail grooves.

3. The anti-static compact shelf according to claim 1, wherein the cabinet (10) further comprises a transmission module (114), the transmission module (114) comprises a driving motor (1141), a speed reducer (1142), a transmission member and a controller (1143), the driving motor (1141) and the transmission member are both mounted inside the bottom beam (102), the transmission member is connected with the roller (107), the transmission member is connected with the driving motor (1141) through a clutch, the driving motor (1141) is connected with the controller (1143) through a connecting wire, the controller (1143) is fixed on the left side plate (108), and the controller (1143) is electrically connected with the MCU micro-control board (201).

4. An anti-static compact shelving as claimed in claim 3, wherein said transmission module (114) further comprises an operating handle (1144), said operating handle (1144) being located in the middle of said left side plate (108), said operating handle (1144) being connected to said transmission member.

5. An anti-static compact shelving as claimed in claim 1, wherein the thickness of the anti-static coating (112) is H, wherein H is 0.1mm ≦ H ≦ 0.25mm, and the color of the anti-static coating (112) is not limited to white, blue, green, yellow.

6. An anti-static compact shelving as claimed in claim 5, wherein the anti-static roll (113) has the same colour as the anti-static coating (112).

7. The electrostatic prevention type compact shelf as claimed in claim 1, wherein a polymer oil adhesive is coated on the bottom of the electrostatic prevention roll (113), and the electrostatic prevention roll (113) is adhered to the upper end surface of the laminate (106) by the adhesive.

8. The electrostatic compact shelf as claimed in claim 1, wherein the surface layer (1131) is an electrostatic dissipative layer and has a thickness of 0.4 to 0.6 mm; the bottom layer (1132) is a conductive layer, and the thickness of the conductive layer is 1.6-2.0 mm.

9. The antistatic compact shelf according to claim 1, wherein the static electricity removing assembly (20) further comprises an ion air knife (206) and an air pump (207), the ion air knife (206) is installed on the bracket (205) and located at the rear side of the ionization needle (204), the ion air knife (206) is connected with the air pump (207) through an air pipe, the air pump (207) is installed in the bottom beam (102), and the air pump (207) is electrically connected with the MCU micro-control board (201) through a connecting wire.

10. The anti-static compact shelf according to claim 1, wherein the static electricity removing assembly (20) further comprises static electricity inductors (208) installed at the upper and lower ends of the bracket (205), the static electricity inductors (208) are used for collecting ions in the cabinet (10), the static electricity inductors (208) are electrically connected with the MCU micro-control board (201) through connecting wires, the MCU micro-control board (201) processes the voltage formed by the ions on the static electricity inductors (208) and compares the voltage with a preset voltage, and if the voltage formed by the ions on the static electricity inductors (208) is greater than or equal to the preset voltage, the MCU micro-control board (201) controls the high voltage generator (202).