A dehumidifying device for a high-voltage power distribution cabinet in a mine

Abstract

The application provides a kind of underground high-voltage power distribution cabinet dehumidification device, it is related to high-voltage power distribution cabinet field, including power distribution cabinet, the upper surface of power distribution cabinet is fixedly connected with shell, the inside of shell is provided with fan, the left and right two side surfaces of shell are fixedly connected with air inlet pipe and air outlet pipe respectively, the inside of shell is provided with condenser, the inner wall of shell is fixedly connected with two conical tubes, the bottom wall of shell is fixedly connected with mounting seat, the application is through the coordination of power distribution cabinet, shell, fan, air inlet pipe, air outlet pipe, condenser, conical tube, mounting seat, mounting plate, through-hole, filter plate, limiting plate, can complete the circulation of underground high-voltage power distribution cabinet internal air Humidity and dust filtration, effectively block cable trench moisture invasion into cabinet, guarantee high-voltage power distribution equipment insulation performance and operation safety, at the same time, with the help of two filter plates on mounting plate cyclically alternate work, effectively prolong filter plate replacement cycle.

Description

Technical Field

[0001] This utility model relates to the field of high-voltage distribution cabinets, and more specifically, to a dehumidification device for underground high-voltage distribution cabinets. Background Technology

[0002] High-voltage switchgear refers to electrical products used in power systems for power generation, transmission, distribution, energy conversion, and consumption, performing functions such as switching, control, or protection, with voltage levels ranging from 3.6kV to 550kV. During installation, a cable trench is typically installed at the bottom of the high-voltage switchgear, and the bottom of the switchgear is connected to the cable trench. Because underground cable trenches contain a large amount of moisture, this moisture can rise through the high-voltage cable openings into the high-voltage switchgear, directly affecting the operation of the switching equipment.

[0003] For example, the Chinese utility model patent with publication number CN222127288U uses a dehumidification circulation component to draw out moisture from the exhaust vent, dehumidify the drawn-out moisture, and then discharge the dehumidified air into the cabinet through the fresh air vent. This achieves dehumidification of the air inside the cabinet and recirculates the dehumidified air back into the cabinet. The device continuously circulates and dehumidifies the air inside the cabinet, effectively and thoroughly dehumidifying it. However, its dust filter needs to be manually removed and cleaned after long-term use. In environments with a lot of dust, this cleaning cycle will be further shortened, and frequent shutdowns for cleaning can easily affect the progress of the project, which has certain shortcomings. In view of this, we propose a dehumidification device for underground high-voltage distribution cabinets. Utility Model Content

[0004] The purpose of this invention is to solve the problem of short cleaning cycles in the current process.

[0005] To achieve the above-mentioned objectives and improve the aforementioned problems, this utility model provides a dehumidification device for a downhole high-voltage distribution cabinet, including a distribution cabinet. A housing is fixedly connected to the upper surface of the distribution cabinet. A fan is installed inside the housing. An air inlet pipe and an air outlet pipe are fixedly connected to the left and right sides of the housing, respectively. A condenser is installed inside the housing. Two conical tubes are fixedly connected to the inner wall of the housing. A mounting base is fixedly connected to the bottom wall of the housing. An arc-shaped groove is formed on the upper surface of the mounting base. A mounting plate is rotatably connected inside the arc-shaped groove. Two through holes are formed on the mounting plate. Filter plates are installed inside both through holes. Two limiting plates are fixedly connected to the inner wall of the arc-shaped groove. The two limiting plates contact the left and right sides of the filter plates, respectively. A purging assembly is provided on the conical tubes.

[0006] As a preferred technical solution of this application, the purging assembly includes an L-shaped connecting pipe, which is fixedly connected to the rear surface of the right tapered pipe. The L-shaped connecting pipe communicates with the interior of the tapered pipe, and a tapered nozzle is fixedly connected to the end of the L-shaped connecting pipe.

[0007] As a preferred technical solution of this application, both limiting plates are also provided with through holes, and a tapered collecting tube is fixedly connected to the left limiting plate.

[0008] As a preferred technical solution of this application, a discharge pipe is fixedly connected to the conical collecting pipe, the end of the discharge pipe extends through to the outside of the shell, and a clearance ring groove is provided on the inner wall of the arc-shaped groove.

[0009] As a preferred technical solution of this application, the outer surface of the mounting plate is fixedly connected with teeth, and the mounting plate is connected to gears through tooth meshing.

[0010] As a preferred technical solution of this application, a driving cavity is provided inside the side wall of the housing, a motor is fixedly connected to the inner wall of the driving cavity, and a transmission rod is fixedly connected to the output end of the motor.

[0011] As a preferred technical solution of this application, the end of the transmission rod is fixedly connected to the gear, and the side of the air outlet pipe has multiple sets of air outlet holes communicating with its interior.

[0012] As a preferred technical solution of this application, the inner wall of the air outlet duct is rotatably connected to a rotating shaft, and a spiral plate is fixedly connected to the outer surface of the rotating shaft, with the spiral plate in contact with the inner wall of the air outlet duct.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: In the scheme of this application: 1. Through the coordinated operation of the distribution cabinet, housing, fan, air inlet pipe, air outlet pipe, condenser, conical pipe, mounting base, mounting plate, through hole, filter plate, and limit plate, the circulating moisture absorption and dust filtration of the air inside the underground high-voltage distribution cabinet can be completed, effectively preventing moisture from the cable trench from entering the cabinet, ensuring the insulation performance and operational safety of the high-voltage power distribution equipment. At the same time, the two filter plates on the mounting plate work alternately in a cycle, effectively extending the filter plate replacement cycle. 2. Through the coordinated operation of L-shaped connecting pipe, conical nozzle, conical collection pipe, discharge pipe, clearance ring groove, teeth, gears, drive chamber, motor, and transmission rod, automatic filter plate switching and airflow backflushing dust removal are achieved, significantly extending the filter cleaning cycle, reducing the frequency of downtime maintenance, and adapting to the complex working environment of high dust and high humidity in underground mines. At the same time, with the cooperation of air outlet, rotating shaft, and spiral plate, air circulation can be achieved in the lower, middle, and upper areas during air discharge, improving the dehumidification effect. Attached Figure Description

[0014] Figure 1 A schematic diagram of the dehumidification device for the downhole high-voltage distribution cabinet provided in this application; Figure 2 A schematic diagram of the internal structure of the housing in the dehumidification device for the downhole high-voltage distribution cabinet provided in this application; Figure 3 A schematic diagram of the air outlet duct in the dehumidification device of the underground high-voltage distribution cabinet provided in this application; Figure 4 The dehumidification device for the downhole high-voltage distribution cabinet provided in this application Figure 2 Enlarged view of point A in the middle; Figure 5 The diagram shows the installation structure of the filter plate in the dehumidification device for the underground high-voltage distribution cabinet provided in this application.

[0015] The image shows: 1. Distribution cabinet; 2. Housing; 3. Fan; 4. Inlet duct; 5. Outlet duct; 6. Condenser; 7. Conical tube; 8. Mounting base; 9. Mounting plate; 10. Through hole; 11. Filter plate; 12. Limiting plate; 13. L-shaped connecting pipe; 14. Conical nozzle; 16. Discharge pipe; 17. Leaving ring groove; 18. Tooth; 19. Gear; 20. Drive chamber; 21. Motor; 22. Transmission rod; 23. Outlet; 24. Rotating shaft; 25. Spiral plate. Detailed Implementation

[0016] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.

[0017] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0018] It should be noted that, unless otherwise specified, the embodiments and features and technical solutions in the present invention can be combined with each other.

[0019] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0020] Example 1: Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 A dehumidification device for a high-voltage distribution cabinet in an underground mine includes a distribution cabinet 1. A housing 2 is fixedly connected to the upper surface of the distribution cabinet 1. A fan 3 for driving the internal air circulation is installed inside the housing 2. An air inlet pipe 4 and an air outlet pipe 5 are fixedly connected to the left and right sides of the housing 2, respectively. A condenser 6 for removing moisture from the air is installed inside the housing 2. Two conical pipes 7 for guiding the airflow direction are fixedly connected to the inner wall of the housing 2. A mounting base 8 is fixedly connected to the bottom wall of the housing 2. An arc-shaped groove for mounting components is opened on the upper surface of the mounting base 8.

[0021] An installation plate 9 is rotatably connected inside the arc-shaped groove. Two through holes 10 are provided on the installation plate 9 for air passage. Filter plates 11 for blocking dust in the air are installed inside each of the two through holes 10. Two limiting plates 12 are fixedly connected to the inner wall of the arc-shaped groove. The two limiting plates 12 contact the left and right sides of the filter plates 11 respectively. A purging assembly is provided on the conical tube 7. Through the coordinated operation of the power distribution cabinet 1, housing 2, fan 3, air inlet pipe 4, air outlet pipe 5, condenser 6, conical tube 7, mounting base 8, installation plate 9, through holes 10, filter plates 11, and limiting plates 12, the circulation and moisture absorption of the air inside the underground high-voltage power distribution cabinet 1 and the dust filtration can be completed. This effectively prevents moisture from the cable trench from entering the cabinet, ensuring the insulation performance and operational safety of the high-voltage power distribution equipment. At the same time, the two filter plates 11 on the installation plate 9 work alternately in a cycle, effectively extending the replacement cycle of the filter plates 11.

[0022] Example 2: The dehumidification device for the downhole high-voltage distribution cabinet provided in Example 1 has been further optimized, specifically, as follows: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the purging assembly includes an L-shaped connecting pipe 13 for airflow. The L-shaped connecting pipe 13 is fixedly connected to the rear surface of the right tapered pipe 7 and communicates with the interior of the tapered pipe 7. The end of the L-shaped connecting pipe 13 is fixedly connected to a tapered nozzle 14 to expand the back-blowing area. The two limiting plates 12 also have through holes 10. A tapered collecting pipe for collecting dust and reducing the diameter to increase the wind speed is fixedly connected to the left limiting plate 12. A discharge pipe 16 for dust discharge is fixedly connected to the tapered collecting pipe. The end of the discharge pipe 16 extends to the outside of the housing 2. A clearance ring groove 17 is provided on the inner wall of the arc groove. Teeth 18 for power transmission are fixedly connected to the outer surface of the mounting plate 9.

[0023] Mounting plate 9 is connected to gear 19 via teeth 18. A drive cavity 20 for mounting drive components is provided inside the side wall of housing 2. A motor 21, serving as the drive source, is fixedly connected to the inner wall of drive cavity 20. A transmission rod 22 is fixedly connected to the output end of motor 21, and the end of transmission rod 22 is fixedly connected to gear 19. Multiple sets of air outlet holes 23 communicating with the interior of air outlet pipe 5 are provided on the side. A rotating shaft 24 is rotatably connected to the inner wall of air outlet pipe 5. A spiral plate 25 is fixedly connected to the outer surface of rotating shaft 24. The spiral plate 25 and air outlet pipe 5... The filter plate 11 automatically switches and the airflow back-blowing cleans the dust through the coordinated operation of the L-shaped connecting pipe 13, conical nozzle 14, conical collection pipe, discharge pipe 16, clearance ring groove 17, teeth 18, gear 19, drive chamber 20, motor 21, and transmission rod 22. This significantly extends the filter cleaning cycle, reduces the frequency of downtime maintenance, and is suitable for the complex working environment of high dust and high humidity in the well. At the same time, with the cooperation of the air outlet 23, rotating shaft 24, and spiral plate 25, it can achieve circulating air outlet in the lower, middle and upper areas when the air is discharged, thus improving the dehumidification effect.

[0024] The usage process of the dehumidification device for the underground high-voltage distribution cabinet provided by this utility model is as follows: The motor 21 enables timed start-up. When the motor 21 starts, it synchronously drives the gear 19 to rotate via the transmission rod 22. The gear 19, in conjunction with the teeth 18, drives the mounting plate 9 to rotate. The mounting plate 9 is circular, and two filter plates 11 are mounted opposite each other on it. After the mounting plate 9 rotates 180 degrees, the two filter plates 11 installed inside it rotate, thereby swapping their positions. At this time, the unused filter plate 11 will replace the original filter plate 11 and continue filtering. Simultaneously, when the air enters the inside of the right-side conical pipe 7, it will be split, and the split air... After passing through the L-shaped connecting pipe 13 and the conical nozzle 14, the air comes into contact with the filter plate 11. With the help of the backflow of air, some of the dust attached to the filter plate 11 is blown off. The blown-off dust is discharged through the conical collection pipe and the discharge pipe 16. By switching the cleaning timed regularly, the replacement cycle can be extended, effectively reducing downtime. At the same time, after the air enters the interior of the air outlet pipe 5, it will come into contact with the spiral plate 25. With the help of the wind, the spiral plate 25 will rotate. When the spiral plate 25 rotates, it will intermittently block part of the air outlet 23, thereby realizing the circulation of air to the lower, middle and upper areas when the air is discharged, improving the dehumidification effect.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] Obviously, the embodiments described above are only some embodiments of this utility model, not all embodiments. The accompanying drawings show preferred embodiments of this utility model, but do not limit the patent scope of this utility model. This utility model can be implemented in many different forms; rather, the purpose of providing these embodiments is to provide a more thorough and comprehensive understanding of the disclosure of this utility model. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments, or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, directly or indirectly applied to other related technical fields, are similarly within the patent protection scope of this utility model.

Claims

1. A dehumidification device for an underground high-voltage distribution cabinet, characterized in that, The device includes a power distribution cabinet (1), a housing (2) is fixedly connected to the upper surface of the power distribution cabinet (1), a fan (3) is installed inside the housing (2), an air inlet pipe (4) and an air outlet pipe (5) are fixedly connected to the left and right sides of the housing (2) respectively, a condenser (6) is installed inside the housing (2), two conical tubes (7) are fixedly connected to the inner wall of the housing (2), a mounting base (8) is fixedly connected to the bottom wall of the housing (2), an arc groove is opened on the upper surface of the mounting base (8), a mounting plate (9) is rotatably connected inside the arc groove, two through holes (10) are opened on the mounting plate (9), a filter plate (11) is installed inside the two through holes (10), two limiting plates (12) are fixedly connected to the inner wall of the arc groove, the two limiting plates (12) are in contact with the left and right sides of the filter plate (11) respectively, and a purging assembly is installed on the conical tube (7).

2. The dehumidification device for an underground high-voltage distribution cabinet according to claim 1, characterized in that, The purging assembly includes an L-shaped connecting pipe (13), which is fixedly connected to the rear surface of the right tapered pipe (7). The L-shaped connecting pipe (13) communicates with the interior of the tapered pipe (7), and a tapered nozzle (14) is fixedly connected to the end of the L-shaped connecting pipe (13).

3. The dehumidification device for an underground high-voltage distribution cabinet according to claim 2, characterized in that, Both of the limiting plates (12) are also provided with through holes (10), and a tapered collecting tube is fixedly connected to the left limiting plate (12).

4. The dehumidification device for an underground high-voltage distribution cabinet according to claim 3, characterized in that, A discharge pipe (16) is fixedly connected to the conical collecting pipe. The end of the discharge pipe (16) extends through to the outside of the housing (2). A clearance ring groove (17) is provided on the inner wall of the arc-shaped groove.

5. A dehumidification device for an underground high-voltage distribution cabinet according to claim 4, characterized in that, The outer surface of the mounting plate (9) is fixedly connected with teeth (18), and the mounting plate (9) is connected to gears (19) through the meshing of teeth (18).

6. A dehumidification device for an underground high-voltage distribution cabinet according to claim 5, characterized in that, The housing (2) has a drive cavity (20) inside its side wall. A motor (21) is fixedly connected to the inner wall of the drive cavity (20). A transmission rod (22) is fixedly connected to the output end of the motor (21).

7. A dehumidification device for an underground high-voltage distribution cabinet according to claim 6, characterized in that, The end of the transmission rod (22) is fixedly connected to the gear (19), and the side of the air outlet pipe (5) has multiple sets of air outlet holes (23) that communicate with its interior.

8. A dehumidification device for an underground high-voltage distribution cabinet according to claim 7, characterized in that, The inner wall of the air outlet pipe (5) is rotatably connected to a rotating shaft (24), and a spiral plate (25) is fixedly connected to the outer surface of the rotating shaft (24). The spiral plate (25) is in contact with the inner wall of the air outlet pipe (5).

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