Electrostatic shielding structure of control cabinet

Abstract

The utility model discloses an electrostatic shielding structure of a control cabinet, and relates to the technical field of control cabinets. The electrostatic shielding structure of the control cabinet comprises a box body, an air outlet is formed in the top of the box body, air inlets are formed in the two sides of the box body, a ventilation net is fixedly installed in the air outlet, a filter net is fixedly installed in the air inlets, and a motor is fixedly installed at the top of the ventilation net. According to the electrostatic shielding structure of the control cabinet, dust can be filtered through the filter screen, electrified dust is prevented from entering the box body to influence operation of electrical components, the surface of the filter screen can be cleaned through the cleaning structure in the process that the motor, the rotating shaft and the fan blades dissipate heat in the box body, the dust is prevented from blocking the filter screen, and the service life of the filter screen is prolonged. And through the extension assemblies, the movable wheels can be stored in the box body, the bottom of the box body is driven to make contact with the ground, electric charges of the box body can be poured into the ground, and static electricity is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of control cabinets, in particular to an electrostatic shielding structure of a control cabinet. Background Art

[0002] A control cabinet with publication number CN207604048U includes a rainproof sunshade, an electrical control box body, a first side door panel, a second side door panel, a base, a first pin lock, a second pin lock, and a ventilation panel, wherein the rainproof sunshade is installed above the electrical control box body, the base is installed below the electrical control box body, the electrical control box body is connected to the first side door panel through a plurality of first pin locks, the electrical control box body is connected to the second side door panel through a plurality of second pin locks, the second side door panel is located on one side of the first side door panel, and the ventilation panel is connected to the electrical control box body, etc. It can ensure good heat dissipation, improve safety, and is easy to use, simple, easy to move, and easy to view.

[0003] However, during the use of the above device, charged dust in the air will enter the control cabinet and affect the electrical components inside the control cabinet. Secondly, the universal wheel isolates the electrical control box body from the ground, resulting in the electric charge of the electrical control box body being unable to be poured into the ground, which is prone to generate static electricity and poses certain safety hazards. Utility Model Content

[0004] The purpose of the utility model is to provide an electrostatic shielding structure for a control cabinet to solve the problems and defects raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electrostatic shielding structure of a control cabinet, comprising a box body, an air outlet is provided on the top of the box body, air inlets are provided on both sides of the box body, a ventilation net is fixedly installed in the air outlet, and a filter net is fixedly installed in the air inlet, which can filter dust to prevent charged dust from entering the interior of the box body and affecting the operation of electrical components, a motor is fixedly installed on the top of the ventilation net, a rotating shaft is rotatably installed on the bottom of the ventilation net, the output shaft of the motor is fixedly installed on one end of the rotating shaft, a first bevel gear is fixedly installed on the outer wall of the rotating shaft, and a fan blade is fixedly installed on the outer wall of the rotating shaft, and also includes a cleaning structure installed on both sides of the box body, which is used to clean dust on the surface of the filter net through the cleaning structure, and an extension component installed on the box body, and a movable wheel is provided at the bottom of the extension component, and the movable wheel can be driven to rise and fall through the extension component.

[0006] Preferably, the cleaning structure includes a fixed shaft, a brush rod, a rotating rod, a rotating disk, a centrifugal rod, a first bevel gear and a second bevel gear, the fixed shaft has two groups respectively fixedly installed on the outer walls of both sides of the box body, the brush rod has two groups respectively rotatably installed on the outer walls of the two groups of fixed shafts, the rotating rod is rotatably installed on both sides of the box body, the rotating disk has two groups respectively fixedly installed on both ends of the rotating rod, the centrifugal rod has two groups respectively fixedly installed on one side of the two groups of rotating disks, the first bevel gear is fixedly installed on the outer wall of the rotating shaft, the second bevel gear is fixedly installed on the outer wall of the rotating rod, and the second bevel gear is meshed with the first bevel gear, so that in the process of the motor, the rotating shaft and the fan blades dissipating the heat to the inside of the box body, the surface of the filter net can also be cleaned to avoid dust clogging the filter net, thereby ensuring the ventilation efficiency of the filter net and realizing dual use of one machine.

[0007] Preferably, the brush rod is provided with a movable groove, the centrifugal rod is movably installed in the movable groove, and the brush rod is in contact with the filter screen.

[0008] Preferably, the extension component includes a lifting plate, a two-way threaded rod, a threaded block, a linkage rod and a crank. The two-way threaded rod is rotatably installed on the inner walls on both sides of the box. The threaded blocks have two groups, both of which are threadedly installed on the outer walls of the two-way threaded rod. The linkage rods have two groups, which are respectively hingedly installed on the bottom of the two groups of threaded blocks. The other ends of the two groups of linkage rods are hingedly installed on the top of the lifting plate. The crank has two groups, both of which are threadedly installed on the two ends of the two-way threaded rod. The movable wheel is threadedly installed on the bottom of the lifting plate. The movable wheel can be stored inside the box to prevent the control cabinet from moving. The bottom of the box can also be driven to contact the ground, so that the charge of the box can be poured into the ground to avoid the generation of static electricity.

[0009] Preferably, a partition is fixedly installed on the inner wall of the box, and four groups of L-shaped guide rods are fixedly installed on the bottom of the partition and the inner wall of the box. The four groups of L-shaped guide rods are symmetrically arranged in a rectangular shape, and the lifting plate is slidably installed on the outer wall of the four groups of L-shaped guide rods for guiding the lifting plate.

[0010] Preferably, an opening is provided at the bottom of the box, and the movable wheel extends to the outside of the box through the opening.

[0011] Preferably, a cabinet opening is provided on the front side of the box body, cabinet doors are hingedly installed on both sides of the cabinet opening, and handles are fixedly installed on the front sides of the cabinet doors.

[0012] Preferably, a protective box is fixedly installed on the outer walls of both sides of the box body, a dust outlet is opened at the bottom of the protective box, and the fixed shaft, brush rod, turntable and centrifugal rod are all located on the inner side of the protective box to protect the brush rod and prevent workers from accidentally touching the swinging brush rod and causing injuries.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The electrostatic shielding structure of the control cabinet can filter dust through the filter to prevent charged dust from entering the interior of the box and affecting the operation of electrical components. The cleaning structure allows the surface of the filter to be cleaned during the process of heat dissipation by the motor, shaft and fan blades to the interior of the box to prevent dust from clogging the filter and ensure the ventilation efficiency of the filter. The movable wheel can be stored in the interior of the box through the extension component, driving the bottom of the box to contact the ground, so that the charge of the box can be poured onto the ground to avoid the generation of static electricity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the box body of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the extension component of the utility model.

[0019] Figure numerals: 1. box body; 2. protection box; 3. filter screen; 4. fixed shaft; 5. brush rod; 6. rotating rod; 7. turntable; 8. centrifugal rod; 9. motor; 10. rotating shaft; 11. first bevel gear; 12. second bevel gear; 13. ventilation net; 14. lifting plate; 15. partition; 16. L-shaped guide rod; 17. bidirectional threaded rod; 18. threaded block; 19. linkage rod; 20. crank; 21. fan blade. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] See also Figure 1-3The utility model provides a technical solution: an electrostatic shielding structure of a control cabinet, comprising a box body 1, an air outlet is provided on the top of the box body 1, air inlets are provided on both sides of the box body 1, a ventilation net 13 is fixedly installed in the air outlet, a filter net 3 is fixedly installed in the air inlet, dust can be filtered to prevent charged dust from entering the interior of the box body 1 and affecting the operation of electrical components, a motor 9 is fixedly installed on the top of the ventilation net 13, a rotating shaft 10 is rotatably installed on the bottom of the ventilation net 13, the output shaft of the motor 9 is fixedly installed with one end of the rotating shaft 10, and the outer wall of the rotating shaft 10 is fixedly installed. A first bevel gear 11 is fixedly installed, a fan blade 21 is fixedly installed on the outer wall of the rotating shaft 10, and the motor 9 is started. The output shaft of the motor 9 drives the rotating shaft 10, the first bevel gear 11 and the fan blade 21 to rotate. The rotation of the fan blade 21 can introduce the heat inside the box body 1 to the outside of the box body 1, and dissipate the heat inside the box body 1. It also includes a cleaning structure installed on both sides of the box body 1, which is used to clean the dust on the surface of the filter screen 3. An extension component is installed on the box body 1, and a movable wheel is arranged at the bottom of the extension component, and the movable wheel can be driven to rise and fall through the extension component.

[0022] The cleaning structure includes a fixed shaft 4, a brush rod 5, a rotating rod 6, a rotating disk 7, a centrifugal rod 8, a first bevel gear 11 and a second bevel gear 12. The fixed shaft 4 has two groups respectively fixedly mounted on the outer walls of both sides of the box body 1, the brush rod 5 has two groups respectively rotatably mounted on the outer walls of the two groups of fixed shafts 4, the rotating rod 6 is rotatably mounted on both sides of the box body 1, the rotating disk 7 has two groups respectively fixedly mounted on both ends of the rotating rod 6, the centrifugal rod 8 has two groups respectively fixedly mounted on one side of the two groups of rotating disks 7, the first bevel gear 11 is fixedly mounted on the outer wall of the rotating shaft 10, and the second bevel gear 12 is fixedly mounted on the outer wall of the rotating shaft 10. The teeth 12 are fixedly mounted on the outer wall of the rotating rod 6, and the second bevel teeth 12 are meshed with the first bevel teeth 11, so that when the motor 9, the rotating shaft 10 and the fan blades 21 dissipate heat inside the box body 1, the rotation of the first bevel teeth 11 drives the second bevel teeth 12, the rotating rod 6, the turntable 7 and the centrifugal rod 8 to rotate, and the rotation of the centrifugal rod 8 drives the brush rod 5 to swing back and forth with the fixed shaft 4 as the axis, which can clean the surface of the filter 3, prevent dust from clogging the filter 3, ensure the ventilation efficiency of the filter 3, and achieve dual uses of one machine.

[0023] The brush rod 5 is provided with a movable groove, and the centrifugal rod 8 is movably installed in the movable groove, and the brush rod 5 is in contact with the filter screen 3.

[0024] The extension assembly includes a lifting plate 14, a two-way threaded rod 17, a threaded block 18, a linkage rod 19 and a crank 20. The two-way threaded rod 17 is rotatably mounted on the inner walls of the box body 1 on both sides. The threaded block 18 has two groups of threads that are both threadedly mounted on the outer wall of the two-way threaded rod 17. The linkage rod 19 has two groups of hingedly mounted on the bottom of the two groups of threaded blocks 18. The other ends of the two groups of linkage rods 19 are hingedly mounted on the top of the lifting plate 14. The crank 20 has two groups of threads that are respectively threadedly mounted on the two ends of the two-way threaded rod 17. The movable wheel is threadedly mounted. At the bottom of the lifting plate 14, the crank 20 is manually twisted, and the crank 20 drives the bidirectional threaded rod 17 to rotate. The rotation of the bidirectional threaded rod 17 drives the two sets of threaded blocks 18 and one end of the two sets of linkage rods 19 to move oppositely, so that the other ends of the two sets of linkage rods 19, the lifting plate 14 and the movable wheel move upward, so that the movable wheel is stored in the inside of the box 1 to prevent the control cabinet from moving. It can also drive the bottom of the box 1 to contact the ground, so that the charge of the box 1 can be poured into the ground to avoid static electricity.

[0025] A partition 15 is fixedly installed on the inner wall of the box body 1, and four groups of L-shaped guide rods 16 are fixedly installed on the bottom of the partition 15 and the inner wall of the box body 1. The four groups of L-shaped guide rods 16 are symmetrically arranged in a rectangular shape, and the lifting plate 14 is slidably installed on the outer wall of the four groups of L-shaped guide rods 16 for guiding the lifting plate 14.

[0026] An opening is provided at the bottom of the box body 1 , and the movable wheel extends to the outside of the box body 1 through the opening.

[0027] A cabinet opening is provided on the front side of the cabinet body 1, cabinet doors are hingedly installed on both sides of the cabinet opening, and handles are fixedly installed on the front sides of the cabinet doors.

[0028] A protective box 2 is fixedly installed on the outer walls of both sides of the box body 1, and a dust outlet is opened at the bottom of the protective box 2. The fixed shaft 4, the brush rod 5, the turntable 7, and the centrifugal rod 8 are all located on the inner side of the protective box 2 to protect the brush rod 5 to prevent the staff from accidentally touching the swinging brush rod 5 and causing injuries.

[0029] Working principle: by starting the motor 9, the output shaft of the motor 9 drives the rotating shaft 10, the first bevel gear 11 and the fan blade 21 to rotate, and the rotation of the fan blade 21 can introduce the heat inside the box body 1 to the outside of the box body 1 to dissipate heat inside the box body 1, and the rotation of the first bevel gear 11 drives the second bevel gear 12, the rotating rod 6, the rotating disk 7 and the centrifugal rod 8 to rotate, and the rotation of the centrifugal rod 8 drives the brush rod 5 to swing back and forth with the fixed shaft 4 as the axis, so that the brush rod 5 can clean the surface of the filter screen 3 and remove the dust on the surface of the filter screen 3. By manually twisting the crank 20, the crank 20 drives the bidirectional threaded rod 17 to rotate, and the rotation of the bidirectional threaded rod 17 drives the two sets of threaded blocks 18 and one end of the two sets of linkage rods 19 to move in the opposite direction, so that the other ends of the two sets of linkage rods 19, the lifting plate 14 and the movable wheel move upward, so that the movable wheel is stored in the interior of the box body 1, and the bottom of the box body 1 is driven to contact the ground.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An electrostatic shielding structure of a control cabinet, comprising a box body (1), an air outlet is provided at the top of the box body (1), air inlets are provided at both sides of the box body (1), a ventilation net (13) is fixedly installed in the air outlet, a filter net (3) is fixedly installed in the air inlet, a motor (9) is fixedly installed on the top of the ventilation net (13), a rotating shaft (10) is rotatably installed at the bottom of the ventilation net (13), an output shaft of the motor (9) is fixedly installed on one end of the rotating shaft (10), a first bevel gear (11) is fixedly installed on the outer wall of the rotating shaft (10), and a fan blade (21) is fixedly installed on the outer wall of the rotating shaft (10), characterized in that: Also includes: Cleaning structures installed on both sides of the box body (1), used to clean dust on the surface of the filter screen (3); An extension component is installed on the box body (1), and a movable wheel is arranged at the bottom of the extension component. The movable wheel can be driven to rise and fall by the extension component.

2. The electrostatic shielding structure of a control cabinet according to claim 1, characterized in that: The cleaning structure comprises a fixed shaft (4), a brush rod (5), a rotating rod (6), a rotating disk (7), a centrifugal rod (8), a first bevel gear (11) and a second bevel gear (12); the fixed shaft (4) has two groups respectively fixedly mounted on the outer walls of both sides of the box body (1); the brush rod (5) has two groups respectively rotatably mounted on the outer walls of the two groups of fixed shafts (4); the rotating rod (6) is rotatably mounted on both sides of the box body (1); the rotating disk (7) has two groups respectively fixedly mounted on both ends of the rotating rod (6); the centrifugal rod (8) has two groups respectively fixedly mounted on one side of the two groups of rotating disks (7); the first bevel gear (11) is fixedly mounted on the outer wall of the rotating shaft (10); the second bevel gear (12) is fixedly mounted on the outer wall of the rotating rod (6); and the second bevel gear (12) is meshed with the first bevel gear (11).

3. The electrostatic shielding structure of a control cabinet according to claim 2, characterized in that: The brush rod (5) is provided with a movable groove, the centrifugal rod (8) is movably installed in the movable groove, and the brush rod (5) is in contact with the filter screen (3).

4. The electrostatic shielding structure of a control cabinet according to claim 3, characterized in that: The extension assembly comprises a lifting plate (14), a bidirectional threaded rod (17), a threaded block (18), a linkage rod (19) and a crank (20), wherein the bidirectional threaded rod (17) is rotatably mounted on the inner walls of both sides of the box body (1), the threaded block (18) has two groups of threads both being threadedly mounted on the outer wall of the bidirectional threaded rod (17), the linkage rod (19) has two groups of hingedly mounted on the bottoms of the two groups of threaded blocks (18), the other ends of the two groups of linkage rods (19) are hingedly mounted on the top of the lifting plate (14), the crank (20) has two groups of threads respectively being threadedly mounted on the two ends of the bidirectional threaded rod (17), and the movable wheel is threadedly mounted on the bottom of the lifting plate (14).

5. The electrostatic shielding structure of a control cabinet according to claim 4, characterized in that: A partition plate (15) is fixedly mounted on the inner wall of the box body (1), and four groups of L-shaped guide rods (16) are fixedly mounted on the bottom of the partition plate (15) and the inner wall of the box body (1), the four groups of L-shaped guide rods (16) are symmetrically arranged in a rectangular shape, and the lifting plate (14) is slidably mounted on the outer walls of the four groups of L-shaped guide rods (16).

6. The electrostatic shielding structure of a control cabinet according to claim 5, characterized in that: The bottom of the box body (1) is provided with an opening, and the movable wheel extends to the outside of the box body (1) through the opening.

7. The electrostatic shielding structure of a control cabinet according to claim 6, characterized in that: The box body (1) has a cabinet opening on the front side, cabinet doors are hingedly mounted on both sides of the cabinet opening, and handles are fixedly mounted on the front sides of the cabinet doors.

8. The electrostatic shielding structure of a control cabinet according to claim 7, characterized in that: A protection box (2) is fixedly mounted on both side outer walls of the box body (1); a dust outlet is provided at the bottom of the protection box (2); and a fixed shaft (4), a brush rod (5), a rotating disk (7), and a centrifugal rod (8) are all located on the inner side of the protection box (2).

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