An electrical switch cabinet with a dust removal structure

Abstract

This invention relates to the technical field of electrical switchgear, and particularly to an electrical switchgear with a dust removal structure. The switchgear includes a cabinet body, with multiple air guide sleeves arranged in a rectangular array fixedly installed on both sides of the inner wall of the cabinet body. Each air guide sleeve contains a filter screen. Each filter screen has a drive motor and fan blades on its inner and outer sides, respectively. The rear end of a movable frame is fitted to the front end of the filter screen. A dust guide groove is formed at the rear end of the movable frame, communicating with the inner cavity of a first rotating cylinder. Dust guide cavities are formed between adjacent dust guide pipes and between the rear dust guide pipe and the rear end of the switchgear body. A second rotating cylinder is rotatably mounted within the dust guide frame, and dust guide holes communicating with the inner cavity of the dust guide frame are formed on the periphery of the second rotating cylinder. This invention provides an electrical switchgear with a dust removal structure, which can clean dust from the surface of the filter screen, significantly improving the dust removal effect of the filter screen.

Description

Technical Field

[0001] This invention relates to the technical field of electrical switchgear, specifically to an electrical switchgear with a dust removal structure. Background Technology

[0002] With the rapid development of modern industry and power systems, electrical switchgear, as an important device for controlling and protecting electrical equipment, is increasingly widely used. However, during long-term use, a large amount of dust easily accumulates inside electrical switchgear, which not only affects the heat dissipation performance of the equipment but may also lead to a decrease in insulation performance and even serious consequences such as short circuits. Therefore, how to effectively solve the dust problem inside electrical switchgear and improve the reliability and safety of the equipment has become an urgent problem to be solved. Traditional cleaning methods mainly rely on manual operation, which is not only inefficient but also difficult to completely remove dust. In addition, there are operational safety hazards during manual cleaning, such as the risk of electric shock. To address this, we propose an electrical switchgear with a dust removal structure. Summary of the Invention

[0003] To address the aforementioned problems, the present invention provides an electrical switch cabinet with a dust removal structure.

[0004] This invention adopts the following technical solution: an electrical switch cabinet with a dust removal structure, comprising a switch cabinet body, multiple air guide sleeves arranged in a rectangular array fixedly installed on both sides of the inner wall of the switch cabinet body, a first valve fixedly installed on the inner side of each air guide sleeve, a filter screen fixedly installed inside each air guide sleeve, a drive motor and a fan blade respectively provided on the inner and outer sides of each filter screen, a first rotating cylinder rotatably installed inside each air guide sleeve, the rear end of the first rotating cylinder being connected to the output shaft of the drive motor, a second rotating cylinder being inserted into the middle of the fan blade, the second rotating cylinder being rotatably installed at the front end of the first rotating cylinder, and both... The inner cavities are interconnected. A movable frame is fixedly installed around the first rotating cylinder. The rear end of the movable frame is in contact with the front end of the filter screen. A dust guide groove is opened at the rear end of the movable frame. The dust guide groove is interconnected with the inner cavity of the first rotating cylinder. A dust guide frame is fixedly installed inside the air guide sleeve through a dust guide pipe. Dust guide cavities are opened between adjacent dust guide pipes and between the rear dust guide pipe and the rear end of the switch cabinet. A second valve connected to the dust guide cavity is fixedly installed on the rear side of the outer wall of the switch cabinet. The second rotating cylinder is rotatably installed inside the dust guide frame, and a dust guide hole is opened around the second rotating cylinder that is interconnected with the inner cavity of the dust guide frame.

[0005] As a further description of the above technical solution: each of the movable frames is provided with a symmetrically arranged bracket on its rear side. The inner side of the bracket is fixedly connected to the outer periphery of the first rotating cylinder. A toothed plate is slidably installed in the inner cavity of each bracket. A cleaning brush that fits against the rear side of the filter screen is fixedly installed on the front side of the toothed plate.

[0006] As a further description of the above technical solution: a first gear B and a first gear A are rotatably installed at the middle and outer sides of two adjacent brackets, respectively, and the first gear B is meshed between the two gear plates.

[0007] As a further description of the above technical solution: a movable plate is fixedly installed on the outer end of the toothed plate on one side, and a limiting groove is opened in the middle of the movable plate. A slide rod that is slidably connected to the limiting groove is fixedly installed on the outer periphery of the front end of the first gear A. A first toothed ring is fixedly installed on the inner wall of the air guide sleeve, and the outer periphery of the first gear A is meshed with the first toothed ring.

[0008] As a further description of the above technical solution: a limiting plate is fixedly installed at the rear end of the dust guide frame, a second gear is rotatably installed at the rear end of the limiting plate, an internal gear ring is fixedly installed on the outer periphery of the rear end of the second rotating cylinder, an external gear ring is fixedly installed at the front end of the first rotating cylinder, and the second gear is meshed between the external gear ring and the internal gear ring.

[0009] As a further description of the above technical solution: an electric push rod is fixedly installed on the front side of the inner cavity of the switch cabinet, a rotating seat is fixedly installed on the rear end of the electric push rod through its output shaft, the front end of the fan blade is rotatably connected to the rear end of the rotating seat, a movable sleeve is fixedly installed on the rear end of the fan blade, a drive rod is fixedly installed on the front end of the drive motor through its output shaft, and the drive rod is inserted into the middle of the movable sleeve.

[0010] As a further description of the above technical solution: a toothed block is fixedly installed on the front side of the outer periphery of the movable sleeve, and a toothed groove is opened at the front end of the second rotating cylinder, and the toothed block is inserted and installed in the toothed groove.

[0011] As a further description of the above technical solution: the inner wall of the air guide sleeve is provided with a through cavity, and a through hole is provided between the through cavity and the dust guide cavity. A sealing ring is slidably installed on the inner wall of the air guide sleeve. The sealing ring is in close contact with the through cavity, and a rotating ring is fixedly installed in the middle of the sealing ring by a connecting rod. The rotating ring is rotatably installed on the rear side of the outer periphery of the movable sleeve.

[0012] This invention provides an electrical switchgear with a dust removal structure, which has the following improvements and advantages compared with the prior art:

[0013] Firstly, this invention features a movable frame that fits snugly against the front end of the filter screen. When the rotating fan blades guide air into the air guide sleeve, the air pressure difference at the point where the filter screen and the movable frame fit together pushes dust from the filter screen surface into the movable frame. Combined with the first rotating cylinder, the second rotating cylinder, the dust guide hole, the dust guide frame, the dust guide pipe, and the dust guide chamber, the dust can be drawn out and collected without the need for manual cleaning by staff. This improves dust removal efficiency and reduces safety hazards.

[0014] Secondly, the present invention provides a cleaning brush that fits into the rear end of the filter screen on the rear side of the movable frame. The brush is connected by the meshing between the two toothed plates and the first gear B, and between the first toothed ring and the first gear A. It is also connected by the sliding connection between the slide rod and the limiting slide groove. When the movable frame rotates, the cleaning brushes on both sides can move back and forth, which can clean the dust at the front end of the movable frame from the rear end of the movable frame, thus improving the dust cleaning effect.

[0015] Thirdly, the present invention is equipped with an electric push rod, which can adjust the position of the fan blade and the movable sleeve through its output shaft and rotating seat. When the switch cabinet is ventilated, the movable sleeve and the second rotating cylinder are separated. At this time, the movable frame is in a stationary state, which can avoid the movable frame from interfering with the air flow and ensure the ventilation effect of the switch cabinet. Attached Figure Description

[0016] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a schematic diagram of the external structure of the switch cabinet provided in an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the internal structure of the air guide sleeve and dust guide cavity provided in an embodiment of the present invention;

[0019] Figure 3 This is a schematic diagram of the internal structure of the air guide sleeve, fan blade, and movable frame provided in an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the internal structure of the air guide sleeve provided in an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the external structure of the fan blades and the movable frame provided in an embodiment of the present invention;

[0022] Figure 6 This is a schematic diagram of the internal disassembled structure of the fan blade and the movable frame provided in an embodiment of the present invention;

[0023] Figure 7 This is a schematic diagram of the external disassembled structure of the bracket and cleaning brush provided in an embodiment of the present invention.

[0024] In the picture:

[0025] 1. Switch cabinet body; 11. Air guide sleeve; 12. Filter screen; 13. Drive motor; 14. Fan blade; 15. First valve.

[0026] 2. First rotating cylinder; 20. Movable frame; 21. Dust guide groove; 23. Second rotating cylinder; 24. Dust guide hole; 25. Dust guide frame; 26. Dust guide chamber; 27. Dust guide pipe; 28. Second valve;

[0027] 3. Limiting plate; 31. Internal gear ring; 32. Second gear; 33. External gear ring;

[0028] 4. Bracket; 42. Toothed plate; 43. Cleaning brush; 44. First gear B; 45. Movable plate; 46. Limiting groove; 47. First gear A; 48. Slide rod; 49. First toothed ring;

[0029] 5. Electric push rod; 50. Drive rod; 51. Rotating seat; 52. Tooth groove; 53. Tooth block; 54. Movable sleeve; 55. Rotating ring; 56. Sealing ring; 57. Through cavity; 58. Through hole. Detailed Implementation

[0030] To make the technical means, creative features, objectives, and effects of this invention readily understandable, the invention is further described below with reference to specific illustrations. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0031] Please see Figure 1 - Figure 7 This invention provides a technical solution: an electrical switch cabinet with a dust removal structure, comprising a switch cabinet body 1, multiple air guide sleeves 11 arranged in a rectangular array fixedly installed on both sides of the inner wall of the switch cabinet body 1, a first valve 15 fixedly installed on the inner side of the air guide sleeve 11, a filter screen 12 fixedly installed in each air guide sleeve 11, a drive motor 13 and a fan blade 14 respectively provided on the inner and outer sides of each filter screen 12, a first rotating cylinder 2 rotatably installed in the air guide sleeve 11, the rear end of the first rotating cylinder 2 being connected to the output shaft of the drive motor 13, a second rotating cylinder 23 inserted into the middle of the fan blade 14, the second rotating cylinder 23 rotatably installed at the front end of the first rotating cylinder 2, and the inner cavities of the two being connected. The first rotating cylinder 2 is connected to the outside of a movable frame 20. The rear end of the movable frame 20 is in contact with the front end of the filter screen 12. A dust guide groove 21 is provided at the rear end of the movable frame 20. The dust guide groove 21 is connected to the inner cavity of the first rotating cylinder 2. A dust guide frame 25 is fixedly installed in the air guide sleeve 11 through a dust guide pipe 27. Dust guide cavities 26 are provided between adjacent dust guide pipes 27 and between the rear dust guide pipe 27 and the rear end of the switch cabinet body 1. A second valve 28 connected to the dust guide cavity 26 is fixedly installed on the rear side of the outer wall of the switch cabinet body 1. The second rotating cylinder 23 is rotatably installed in the dust guide frame 25, and a dust guide hole 24 is provided on the outside of the second rotating cylinder 23, which is connected to the inner cavity of the dust guide frame 25.

[0032] Working principle: When in use, start the drive motor 13, which drives the fan blades 14 to rotate through its output shaft. The fan blades 14 on both sides can guide outside air into the switch cabinet 1 and exhaust the air inside the switch cabinet 1 to the outside, thereby achieving the effect of heat dissipation inside the switch cabinet 1. The filter screen 12 can filter the dust in the air when the air enters the switch cabinet 1.

[0033] When it is necessary to clean the dust on the surface of the filter screen 12, close the first valve 15 at the air guide sleeve 11. At this time, because the air flow path inside the air guide sleeve 11 is changed, and because the drive motor 13 drives the movable frame 20 to rotate at the front end of the filter screen 12 through its output shaft, the dust on the surface of the filter screen 12 can be pushed into the dust guide groove 21 by the air pressure difference at the joint of the two. Then, through the first rotating cylinder 2, the second rotating cylinder 23, the dust guide hole 24, the dust guide frame 25, the dust guide pipe 27 and the dust guide cavity 26, the dust can be discharged outward, achieving the effect of dust recycling.

[0034] In another embodiment of the present invention, each movable frame 20 is provided with a symmetrically arranged bracket 4 on its rear side. The inner side of the bracket 4 is fixedly connected to the outer side of the first rotating cylinder 2. A toothed plate 42 is slidably installed in the inner cavity of each bracket 4. A cleaning brush 43 that is in contact with the rear side of the filter screen 12 is fixedly installed on the front side of the toothed plate 42. A first gear B44 and a first gear A47 are rotatably installed in the middle and outer sides of two adjacent brackets 4, respectively. The first gear B44 is meshed between the two toothed plates 42. A movable plate 45 is fixedly installed on the outer end of one toothed plate 42. A limiting groove 46 is opened in the middle of the movable plate 45. A slide rod 48 that is slidably connected to the limiting groove 46 is fixedly installed on the outer periphery of the front end of the first gear A47. A first toothed ring 49 is fixedly installed on the inner wall of the air guide sleeve 11. The outer periphery of the first gear A47 is meshed with the first toothed ring 49.

[0035] Specifically, when the drive motor 13 drives the movable frame 20 to rotate through its output shaft, it can drive the bracket 4 to rotate at the rear end of the filter screen 12. The rotating bracket 4, through the meshing connection between the first gear A47 and the first gear ring 49, can drive the first gear A47 to rotate. The rotating first gear A47, through the sliding connection between the slide rod 48 and the limiting slide groove 46 and the connection between the two toothed plates 42 and the first gear B44, can drive the two cleaning brushes 43 to reciprocate between the two brackets 4. This can push the dust at the front end of the filter screen 12 forward from the rear side of the filter screen 12, thereby improving the dust removal effect.

[0036] In another embodiment of the present invention, a limiting disk 3 is fixedly installed at the rear end of the dust guide frame 25, a second gear 32 is rotatably installed at the rear end of the limiting disk 3, an internal gear ring 31 is fixedly installed on the outer periphery of the rear end of the second rotating cylinder 23, an external gear ring 33 is fixedly installed at the front end of the first rotating cylinder 2, and the second gear 32 is meshed between the external gear ring 33 and the internal gear ring 31.

[0037] By meshing the second gear 32 with the external gear ring 33 and the internal gear ring 31, the transmission ratio between the fan blade 14 and the movable frame 20 can be reduced. When the fan blade 14 rotates at high speed, the movable frame 20 can be kept in a low-speed rotation state, thereby ensuring the dust removal effect of the device.

[0038] In another embodiment of the present invention, an electric push rod 5 is fixedly installed on the front side of the inner cavity of the switch cabinet 1. A rotating seat 51 is fixedly installed on the rear end of the electric push rod 5 via its output shaft. The front end of the fan blade 14 is rotatably connected to the rear end of the rotating seat 51. A movable sleeve 54 is fixedly installed on the rear end of the fan blade 14. A drive rod 50 is fixedly installed on the front end of the drive motor 13 via its output shaft. The drive rod 50 is inserted into the middle of the movable sleeve 54. A toothed block 53 is fixedly installed on the front side of the outer periphery of the movable sleeve 54. A toothed groove 52 is opened at the front end of the second rotating cylinder 23. The toothed block 53 is inserted into the toothed groove 52. A through cavity 57 is opened on the inner wall of the air guide sleeve 11. A through hole 58 is opened between the through cavity 57 and the dust guide cavity 26. A sealing ring 56 is slidably installed on the inner wall of the air guide sleeve 11. The sealing ring 56 and the through cavity 57 fit together. A rotating ring 55 is fixedly installed on the middle of the sealing ring 56 via a connecting rod. The rotating ring 55 is rotatably installed on the rear side of the outer periphery of the movable sleeve 54.

[0039] Specifically, when the switch cabinet 1 is ventilated and cooled, the first valve 15 is opened and the second valve 28 is closed. The electric push rod 5 is started, and through its output shaft and rotating seat 51, the movable sleeve 54 is driven to move forward, so that the tooth block 53 and the tooth groove 52 are separated from each other. At this time, the drive motor 13 is started, and through its output shaft and drive rod 50, the movable sleeve 54 and the fan blades 14 around the movable sleeve 54 can be rotated, thereby achieving the effect of cooling the switch cabinet 1. Since the tooth block 53 and the tooth groove 52 are separated from each other, the rotating movable sleeve 54 will not drive the movable frame 20 to rotate, so that the movable frame 20 is in a stationary state, thus ensuring the air circulation effect on the surface of the filter screen 12.

[0040] When it is necessary to clean the dust on the surface of the filter screen 12, close the first valve 15, open the second valve 28, start the electric push rod 5, and drive the movable sleeve 54 to move backward through its output shaft and rotating seat 51, so that the tooth block 53 and the tooth groove 52 are re-inserted. At this time, the drive motor 13 drives the movable sleeve 54 and the fan blade 14 around the movable sleeve 54 to rotate through its output shaft and drive rod 50. At the same time, it can also drive the movable frame 20 and the bracket 4 to rotate on the front and rear sides of the filter screen 12 respectively, so as to achieve the effect of cleaning the dust on the surface of the filter screen 12.

[0041] Additionally, when the cleaning brush 43 comes into contact with the filter screen 12, it causes a slight change in the pore size of the filter screen 12, allowing some dust at the front end to pass through the filter screen 12 and enter the rear side of the filter screen 12. To clean this dust, the first valve 15 can be closed and the second valve 28 can be opened. The electric push rod 5 drives the toothed block 53 and the toothed groove 52 to separate from each other. At this time, the sealing ring 56 and the through cavity 57 are misaligned. The drive motor 13 is started, and the rotating fan blades 14 can guide outside air into the air guide sleeve 11. Through the through cavity 57 and through hole 58, the dust on the rear side of the filter screen 12 can be guided into the dust guide cavity 26, achieving the effect of recycling this dust.

[0042] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. An electrical switchgear cabinet with dust removal structure, comprising a switchgear cabinet body (1), characterized in that: The switch cabinet body (1) is fixedly installed with a plurality of air guide sleeves (11) in a rectangular array on the inner wall of the switch cabinet body (1), a first valve (15) is fixedly installed on the inner side of the air guide sleeve (11), a filter screen (12) is fixedly installed in each air guide sleeve (11), a driving motor (13) and a fan blade (14) are respectively arranged on the inner and outer sides of each filter screen (12), a first rotating cylinder (2) is rotatably installed in the air guide sleeve (11), the rear end of the first rotating cylinder (2) is connected with the output shaft of the driving motor (13), a second rotating cylinder (23) is insertedly installed in the middle of the fan blade (14), the second rotating cylinder (23) is rotatably installed at the front end of the first rotating cylinder (2), and the inner cavities of the two are in communication with each other, a movable frame (20) is fixedly installed on the periphery of the first rotating cylinder (2), the rear end of the movable frame (20) is in close contact with the front end of the filter screen (12), a dust guide groove (21) is formed in the rear end of the movable frame (20), the dust guide groove (21) is in communication with the inner cavity of the first rotating cylinder (2), a dust guide frame (25) is fixedly installed in the air guide sleeve (11) through a dust guide pipe (27), a dust guide cavity (26) is formed between adjacent dust guide pipes (27) and between the rear dust guide pipe (27) and the rear end of the switch cabinet body (1), a second valve (28) connected with the dust guide cavity (26) is fixedly installed on the rear side of the outer wall of the switch cabinet body (1), the second rotating cylinder (23) is rotatably installed in the dust guide frame (25), and a dust guide hole (24) in communication with the inner cavity of the dust guide frame (25) is formed in the periphery of the second rotating cylinder (23); A support (4) symmetrically arranged is arranged on the rear side of each movable frame (20), the inner side of the support (4) is fixedly connected with the periphery of the first rotating cylinder (2), a toothed plate (42) is slidingly installed in the inner cavity of each support (4), and a cleaning brush (43) in close contact with the rear side of the filter screen (12) is fixedly installed on the front side of the toothed plate (42); A first gear B (44) and a first gear A (47) are rotatably installed in the middle and the outer side between adjacent two supports (4), and the first gear B (44) is in meshing connection between the two toothed plates (42); An electric push rod (5) is fixedly installed on the front side of the inner cavity of the switch cabinet body (1), a rotating seat (51) is fixedly installed on the rear end of the electric push rod (5) through the output shaft thereof, the front end of the fan blade (14) is rotatably connected with the rear end of the rotating seat (51), a movable sleeve (54) is fixedly installed on the rear end of the fan blade (14), a driving rod (50) is fixedly installed on the front end of the driving motor (13) through the output shaft thereof, and the driving rod (50) is insertedly installed in the middle of the movable sleeve (54).

2. The electrical switchgear cabinet with dust removal structure according to claim 1, characterized in that: One side the tooth plate (42) outer end fixed installation has the movable plate (45), the movable plate (45) middle part is equipped with the limit sliding slot (46), the first gear A (47) front end outer wall fixed installation has with limit sliding slot (46) sliding connection's slide bar (48), the gas guide sleeve (11) inner wall fixed installation has the first tooth ring (49), the first gear A (47) outer wall and first tooth ring (49) meshing connection.

3. The electrical switchgear with dust removal structure according to claim 1, characterized in that: The dust guide frame (25) rear end fixed installation has the limit disc (3), the limit disc (3) rear end rotationally installed has the second gear (32), the second rotating cylinder (23) rear end outer wall fixed installation has the inner tooth ring (31), the first rotating cylinder (2) front end fixed installation has the outer tooth ring (33), the second gear (32) meshing connection is between the outer tooth ring (33) and the inner tooth ring (31).

4. The electrical switchgear with dust removal structure according to claim 1, characterized in that: The movable sleeve (54) outer wall fixed installation has the tooth block (53) in front side, the second rotating cylinder (23) front end is equipped with the tooth slot (52), the tooth block (53) plug-in installation is in the tooth slot (52).

5. The electrical switchgear with dust removal structure according to claim 4, characterized in that: The gas guide sleeve (11) inner wall is equipped with the through cavity (57), the through cavity (57) and the dust guide cavity (26) between are equipped with the through hole (58), the gas guide sleeve (11) inner wall sliding installation has the sealing ring (56), the sealing ring (56) and the through cavity (57) each other fit, and the sealing ring (56) middle part is fixed installation has the rotating ring (55) through the connecting rod, the rotating ring (55) rotationally installed has the movable sleeve (54) outer wall rear side.

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