Moisture-proof protection mechanism for high-voltage ring main unit

Abstract

The utility model discloses a moisture-proof protection mechanism for a high-voltage ring main unit, and relates to the field of high-voltage ring main units. Through the arrangement of the positioning block, the pressing block, the driving assembly, the movable plate and the rubber ball, when the positioning block is rotated, the movable plate starts to slide in the direction of the moisture-proof box, the outer wall of the movable plate is attached to the outer wall of the moisture-proof box, and at the moment, the air holes are blocked by the rubber ball; a large amount of external air is effectively prevented from entering the cabinet body when the feeding baffle and the discharging baffle are opened, the probability of humidity in the cabinet body is increased, meanwhile, drying agents can be smoothly replaced by opening the feeding baffle and the discharging baffle, the cabinet door does not need to be opened, and due to the fact that openings of the feeding baffle and the discharging baffle are smaller than those of the cabinet door, the drying agents can be conveniently replaced. Therefore, in the process of replacing the desiccant particles, the influence of external air on the interior of the cabinet body can be effectively reduced, the service life of the desiccant particles is prolonged, and then the frequency of replacing the desiccant is reduced.

Description

Technical Field

[0001] The utility model relates to the field of high-voltage ring network cabinets, in particular to a moisture-proof protection mechanism for high-voltage ring network cabinets. Background Art

[0002] High-voltage ring main unit is used in distribution stations and box-type substations in urban residential areas, high-rise buildings, large public buildings, factories and enterprises and other load centers. The high-voltage ring main unit is to improve the reliability of power supply so that users can obtain power from two directions. The power supply network is usually connected in a ring shape. This power supply method is referred to as ring network power supply. In AC 10KV distribution systems such as ports and high-rise buildings, due to the small load capacity, the high-voltage circuit is usually controlled by load switches or vacuum contactors and is equipped with high-voltage fuse protection.

[0003] At present, many high-voltage ring network cabinets on the market are equipped with moisture-proof protection mechanisms. The most common method is to install desiccant or dehumidification bags with desiccant inside the cabinet, and optimize the environment inside the cabinet through the dehumidification characteristics of the desiccant to achieve the purpose of dehumidification.

[0004] However, since the above-mentioned moisture-proof protection mechanism uses desiccant for dehumidification, and the desiccant needs to be replaced regularly, the above-mentioned moisture-proof protection mechanism is arranged inside the high-voltage ring network cabinet. When replacing the desiccant, the user needs to open the cabinet door to replace the desiccant. After the cabinet door is opened, the internal air will circulate with the external air, so that a large amount of moisture will enter the cabinet. After the desiccant is replaced, the desiccant will absorb the moisture by its own characteristics. During the process of replacing the dryer, a large amount of moisture enters the cabinet, which will undoubtedly reduce the service life of the desiccant and increase the frequency of replacing the desiccant. Utility Model Content

[0005] Based on this, the purpose of the utility model is to provide a moisture-proof protection mechanism for a high-voltage ring main unit to solve the technical problems mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a moisture-proof protection mechanism for a high-voltage ring network cabinet, comprising a cabinet, a moisture-proof box for placing desiccant particles is installed in the cabinet, and an air vent is provided on the outer wall of the moisture-proof box, a feed port connected to the moisture-proof box is provided on the outer wall of the cabinet, and a feed baffle corresponding to the feed port is installed on the outer wall of the cabinet, and a discharge port connected to the moisture-proof box is also provided on the outer wall of the cabinet, and a discharge baffle corresponding to the discharge port is installed on the outer wall of the cabinet;

[0007] A positioning block for limiting the feed baffle is rotatably installed on the outer wall of the cabinet, a movable plate is slidably installed on the outer wall of the moisture-proof box, and a through hole is opened on the outer wall of the movable plate, and the opening position of the through hole is staggered with the air vent, a pressing block is rotatably installed in the cabinet and is in contact with the outer wall of the movable plate, and the corners where the pressing block and the movable plate are in contact are rounded, and when the pressing block is rotated until its end is against the outer wall of the movable plate, the outer wall of the movable plate is in contact with the outer wall of the moisture-proof box, a spring for resetting the movable plate is installed in the cabinet, and a driving component for driving the pressing block to rotate is arranged in the cabinet.

[0008] By adopting the above technical scheme, the positioning block, the pressing block, the driving assembly, the movable plate and the rubber ball, when the positioning block is rotated, the movable plate will start to slide in the direction of the moisture-proof box, so that the outer wall of the movable plate is in contact with the outer wall of the moisture-proof box. At this time, the air vents are blocked by the rubber ball, which effectively prevents a large amount of external air from entering the cabinet when the feed baffle and the discharge baffle are opened, thereby increasing the probability of humidity in the cabinet. At the same time, the desiccant can be replaced smoothly by opening the feed baffle and the discharge baffle without opening the cabinet door. In addition, since the openings of the feed baffle and the discharge baffle are smaller than those of the cabinet door, the influence of external air on the interior of the cabinet can be effectively reduced during the replacement of the desiccant particles, thereby extending the service life of the desiccant particles and reducing the frequency of replacing the desiccant.

[0009] The utility model is further configured such that the cross section of the positioning block is L-shaped, and the end of the positioning block conflicts with the outer wall of the feed baffle, and two positioning blocks are symmetrically installed on the outer wall of the cabinet, and the top corner of the feed baffle is beveled.

[0010] By adopting the above technical solution, it is ensured that the positioning block can be smoothly rotated to a state where it blocks the feed baffle.

[0011] The utility model is further configured that the driving assembly is composed of a positioning block, a gear, a sprocket, and a chain; a gear is installed in the cabinet, a sprocket is installed at one end of the gear, and the other end of the gear is connected to the pressure block.

[0012] By adopting the above technical solution, the gear can drive the pressing block to rotate synchronously when rotating.

[0013] The utility model is further configured that a sprocket is also installed at the end of the positioning block located in the cabinet, and a chain for connecting the sprockets is arranged in the cabinet.

[0014] By adopting the above technical solution, when the positioning block rotates, the pressing block will rotate synchronously.

[0015] The utility model is further configured such that the air holes are provided in multiple groups at equal intervals on the outer wall of the moisture-proof box, and the through holes are provided in multiple groups at equal intervals on the outer wall of the movable plate, and multiple groups of rubber balls corresponding to the air holes are installed on the outer wall of the movable plate at equal intervals.

[0016] By adopting the above technical solution, the sealing between the air vents and the movable plate is further increased.

[0017] The utility model is further configured that a plurality of support rods slidably connected to the movable plate are symmetrically mounted on the outer wall of the moisture-proof box, and the ends of the support rods are located in the outermost through holes of the movable plate.

[0018] By adopting the above technical solution, the movable plate will be restricted by the support rod when sliding.

[0019] The utility model is further configured that a plurality of transmission ears connected to the movable plate are slidably mounted on the outer wall of the moisture-proof box, and the ends of the transmission ears are connected to the springs.

[0020] By adopting the above technical solution, the spring will push the movable plate back to its original position through the transmission ear, ensuring that the movable plate can be smoothly reset.

[0021] The utility model is further configured that a plurality of T-shaped rods slidably connected to the transmission ears are installed on the inner wall of the cabinet, and the ends of the T-shaped rods are in conflict with the outer wall of the transmission ears.

[0022] By adopting the above technical solution, the stability of the movable plate when sliding is further ensured.

[0023] In summary, the utility model mainly has the following beneficial effects:

[0024] The utility model is provided with a positioning block, a pressure block, a driving component, a movable plate and a rubber ball, so that when the positioning block is rotated, the movable plate begins to slide in the direction of the moisture-proof box, causing the outer wall of the movable plate to stick to the outer wall of the moisture-proof box. At this time, the air vents are blocked by the rubber ball, which effectively prevents a large amount of external air from entering the interior of the cabinet when the feed baffle and the discharge baffle are opened, thereby increasing the probability of humidity in the cabinet. At the same time, the desiccant can be smoothly replaced by opening the feed baffle and the discharge baffle without opening the cabinet door. In addition, since the openings of the feed baffle and the discharge baffle are smaller than those of the cabinet door, the influence of external air on the interior of the cabinet can be effectively reduced during the process of replacing the desiccant particles, thereby extending the service life of the desiccant particles and reducing the frequency of replacing the desiccant. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0026] Figure 2It is a schematic diagram of the three-dimensional structure of the cabinet of the utility model after partial sectioning;

[0027] Figure 3 This is a schematic diagram of the three-dimensional structure of the cabinet after the feed baffle of the utility model is opened;

[0028] Figure 4 It is a three-dimensional structural schematic diagram of the moisture-proof box of the utility model;

[0029] Figure 5 It is a three-dimensional structural schematic diagram of the moisture-proof box of the utility model from another perspective;

[0030] Figure 6 It is a schematic diagram of the top view of the structure of the pressing block of the utility model;

[0031] Figure 7 This is a schematic diagram of the top view of the structure of the utility model after the pressing block is rotated;

[0032] Figure 8 It is a three-dimensional structural schematic diagram of the utility model.

[0033] In the figure: 1. cabinet; 2. moisture-proof box; 3. air vent; 4. feed port; 5. feed baffle; 6. discharge port; 7. discharge baffle; 8. positioning block; 9. gear; 10. sprocket; 11. chain; 12. movable plate; 121. rubber ball; 13. through hole; 14. support rod; 15. pressure block; 16. transmission ear; 17. T-bar; 18. spring. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0035] The following describes an embodiment of the utility model based on its overall structure.

[0036] Moisture protection mechanism for high voltage ring main unit, such as Figure 1 - Figure 8As shown, it includes a cabinet 1, a moisture-proof box 2 for placing desiccant particles is installed in the cabinet 1, and an air vent 3 is opened on the outer wall of the moisture-proof box 2, and the diameter of the air vent 3 is smaller than the diameter of the desiccant particles, so that the air in the cabinet 1 can enter the moisture-proof box 2 through the air vent 3, and at the same time, a large amount of desiccant particles are prevented from leaking out through the air vent 3, and a feed port 4 connected to the moisture-proof box 2 is opened on the outer wall of the cabinet 1, and a feed baffle 5 corresponding to the feed port 4 is also installed on the outer wall of the cabinet 1, so that the user can replenish the desiccant particles into the moisture-proof box 2 through the feed port 4, and the feed port 4 can be sealed by closing the feed baffle 5. It is worth noting that the outer wall of the feed baffle 5 and the outer wall of the cabinet 1 are both provided with magnets that attract each other. , and a discharge port 6 connected to the moisture-proof box 2 is also provided on the outer wall of the cabinet 1, and a discharge baffle 7 corresponding to the discharge port 6 is installed on the rotating shaft of the outer wall of the cabinet 1, and the top of the discharge baffle 7 is fixed to the outer wall of the cabinet 1 by bolts. When the desiccant particles need to be replaced, the desiccant particles inside the moisture-proof box 2 can be replaced by opening the discharge baffle 7. Because the openings of the feed port 4 and the discharge port 6 are smaller than the door of the cabinet 1, the amount of external air entering the moisture-proof box 2 can be effectively reduced. At the same time, a positioning block 8 for limiting the feed baffle 5 is rotatably installed on the outer wall of the cabinet 1. The cross-section of the positioning block 8 is L-shaped, so that when the feed baffle 5 needs to be closed, the end of the positioning block 8 will conflict with the outer wall of the feed baffle 5, so that the feed baffle 5 will be positioned The feed baffle 5 is restricted by the block 8, and the top corner of the feed baffle 5 is designed with an oblique angle, so that when the positioning block 8 rotates toward the feed baffle 5, the oblique angle of the feed baffle 5 will guide the positioning block 8, thereby ensuring that the positioning block 8 can smoothly rotate to the state of resisting the feed baffle 5, and two positioning blocks 8 are symmetrically installed on the outer wall of the cabinet 1, so that the feed baffle 5 will be blocked by two positioning blocks 8 at the same time, further ensuring the fixity of the feed baffle 5 when closed, and a movable plate 12 is slidably installed on the outer wall of the moisture-proof box 2, and a through hole 13 is opened on the outer wall of the movable plate 12, so that the air in the cabinet 1 can pass through the movable plate 12 through the through hole 13, thereby reducing the influence of the setting of the movable plate 12 on the internal air of the cabinet 1 entering the moisture-proof box 2, and through The opening position of the hole 13 is staggered with the air vent 3, so that when the movable plate 12 slides to be in contact with the outer wall of the moisture-proof box 2, the air vent 3 will be blocked by the movable plate 12, so that the air inside the cabinet 1 and the air in the moisture-proof box 2 do not flow at this time, and a pressing block 15 in contact with the outer wall of the movable plate 12 is rotatably installed in the cabinet 1, and the corners of the pressing block 15 in contact with the movable plate 12 are rounded, so that when the pressing block 15 rotates, the rounded corners of its end first squeeze the outer wall of the movable plate 12, so as to ensure that after the pressing block 15 rotates 90 degrees, the end plane of the pressing block 15 can smoothly collide with the outer wall of the movable plate 12, and when the pressing block 15 rotates until its end collide with the outer wall of the movable plate 12, the outer wall of the movable plate 12 will be in contact with the outer wall of the moisture-proof box 2.A spring 18 for resetting the movable plate 12 is installed in the cabinet 1, so that when the movable plate 12 slides toward the moisture-proof box 2, the spring 18 is squeezed, so that when the movable plate 12 is restricted by the pressing block 15, the spring 18 will reset it, and a driving component for driving the pressing block 15 to rotate is provided in the cabinet 1, so that the driving component can smoothly rotate the pressing block 15 when it is running.

[0037] See also Figure 2 - Figure 5 The driving assembly consists of a positioning block 8, a gear 9, a sprocket 10, and a chain 11. A gear 9 is installed in the cabinet 1, and a sprocket 10 is installed at one end of the gear 9, so that the gear 9 and the sprocket 10 will rotate synchronously. Because the other end of the gear 9 is connected to the pressure block 15, the gear 9 will drive the pressure block 15 to rotate synchronously when it rotates. At the same time, a sprocket 10 is also installed at the end of the positioning block 8 located in the cabinet 1, so that when the positioning block 8 is rotated, it will drive the sprocket 10 at its end to operate synchronously. Because a chain 11 for connecting the sprockets 10 is provided in the cabinet 1, the sprocket 10 at the end of the positioning block 8 will drive the remaining sprockets 10 to operate synchronously through the chain 11, causing the two positioning blocks 8 and the two sets of gears 9 to start synchronously, and then when the positioning block 8 rotates, the pressure block 15 will rotate synchronously.

[0038] See also Figure 4 - Figure 8 , multiple groups of air holes 3 are evenly spaced on the outer wall of the moisture-proof box 2 to ensure that the moisture in the cabinet 1 can be smoothly absorbed by the desiccant particles in the moisture-proof box 2, and multiple groups of through holes 13 are evenly spaced on the outer wall of the movable plate 12, so that the air in the cabinet 1 can smoothly enter the moisture-proof box 2 through the through holes 13 and the air holes 3, and multiple groups of rubber balls 121 corresponding to the air holes 3 are evenly installed on the outer wall of the movable plate 12, so that when the movable plate 12 is attached to the moisture-proof box 2, the rubber balls 121 will enter the air holes 3, so that the air holes 3 are blocked, further increasing the sealing between the air holes 3 and the movable plate 12, and at the same time, the diameter of the rubber balls 121 is larger than the diameter of the air holes 3, so that when the movable plate 12 is not attached to the moisture-proof box 2, the air holes 3 at this time have been blocked by the rubber balls 121, so that when the movable plate 12 is attached to the moisture-proof box 2, the air holes 3 are better sealed.

[0039] See also Figure 4 - Figure 8The outer wall of the moisture-proof box 2 is symmetrically equipped with multiple support rods 14 slidably connected to the movable plate 12, so that the movable plate 12 will be restricted by the support rods 14 when sliding, so that the movable plate 12 can stably slide in the direction of the moisture-proof box 2, further ensuring that the air vents 3 are blocked, and the ends of the support rods 14 are located in the outermost through holes 13 of the movable plate 12, so that the setting of the support rods 14 will not excessively affect the air circulation between the moisture-proof box 2 and the inside of the cabinet 1.

[0040] See also Figure 4 - Figure 8 The outer wall of the moisture-proof box 2 is slidably mounted with a plurality of transmission ears 16 connected to the movable plate 12, so that the transmission ears 16 and the movable plate 12 can slide synchronously, and the end of the transmission ear 16 is connected to the spring 18, so that when the movable plate 12 slides toward the moisture-proof box 2, the transmission ear 16 will squeeze the spring 18, so that the spring 18 is squeezed, and then when the pressure block 15 starts to reset, the spring 18 will push the movable plate 12 back to its original position through the transmission ear 16, ensuring that the movable plate 12 can be smoothly reset.

[0041] See also Figure 4 - Figure 8 A plurality of T-shaped rods 17 slidably connected to the transmission ears 16 are installed on the inner wall of the cabinet 1, so that the transmission ears 16 are restricted by the T-shaped rods 17 when sliding, thereby further ensuring the stability of the movable plate 12 when sliding. Because the end of the T-shaped rod 17 conflicts with the outer wall of the transmission ear 16, the sliding trajectory of the transmission ear 16 is restricted, thereby ensuring the accuracy of the position of the transmission ear 16 after each reset.

[0042] The working principle of the utility model is as follows: when it is necessary to replace the desiccant particles, first rotate the positioning block 8. As the positioning block 8 rotates, its end portion gradually separates from the feed baffle 5. At the same time, the positioning block 8 drives another set of positioning blocks 8 and the gear 9 to rotate synchronously through the sprocket 10 and the chain 11, so that the gear 9 drives the pressing block 15 to start rotating. As the pressing block 15 rotates, its end portion starts to push the movable plate 12, so that the movable plate 12 starts to slide toward the direction of the moisture-proof box 2. At the same time, the transmission ear 16 squeezes the spring 18. When the pressing block 15 moves to the point where its end portion conflicts with the end portion of the movable plate 12, the outer wall of the movable plate 12 is in contact with the outer wall of the moisture-proof box 2, so that the air vent 3 is blocked by the rubber ball 121, effectively preventing the opening of the feed baffle 5 and the outlet. When the material baffle 7 is opened, a large amount of external air enters the cabinet 1, increasing the humidity in the cabinet 1. Then, the discharging baffle 7 is released and opened, so that the moisture-proof agent particles in the moisture-proof box 2 fall out through the discharging port 6, and then the discharging baffle 7 is closed, and the feeding baffle 5 is opened, and new desiccant particles are put into the moisture-proof box 2 through the feeding port 4, and then the feeding baffle 5 is closed. Finally, the positioning block 8 is rotated in the opposite direction, so that the pressing block 15 begins to reset. At this time, the spring 18 will use its own elastic force to push the movable plate 12 back to the original position, so that the air vent 3 is connected to the inside of the cabinet 1 again, and it can be used smoothly. In the process of replacing the desiccant particles, the influence of external air on the inside of the cabinet 1 can be effectively reduced, the service life of the desiccant particles can be extended, and the frequency of replacing the desiccant can be reduced.

[0043] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A moisture-proof protection mechanism for a high-voltage ring main unit, comprising a cabinet body (1), characterized in that: A moisture-proof box (2) for placing desiccant particles is installed in the cabinet (1), and an air vent (3) is provided on the outer wall of the moisture-proof box (2). A feed port (4) communicating with the moisture-proof box (2) is provided on the outer wall of the cabinet (1), and a feed baffle (5) corresponding to the feed port (4) is installed on the outer wall of the cabinet (1). A discharge port (6) communicating with the moisture-proof box (2) is also provided on the outer wall of the cabinet (1), and a discharge baffle (7) corresponding to the discharge port (6) is installed on the outer wall of the cabinet (1); A positioning block (8) for limiting the feed baffle (5) is rotatably mounted on the outer wall of the cabinet (1); a movable plate (12) is slidably mounted on the outer wall of the moisture-proof box (2); a through hole (13) is provided on the outer wall of the movable plate (12); and the opening position of the through hole (13) is staggered with the air vent (3); a pressing block (15) is rotatably mounted in the cabinet (1) and is in contact with the outer wall of the movable plate (12); and the corners where the pressing block (15) and the movable plate (12) are in contact are rounded; and when the pressing block (15) is rotated until its end abuts against the outer wall of the movable plate (12), the outer wall of the movable plate (12) and the outer wall of the moisture-proof box (2) are in contact; a spring (18) for resetting the movable plate (12) is mounted in the cabinet (1); and a driving component for driving the pressing block (15) to rotate is provided in the cabinet (1).

2. The moisture-proof protection mechanism for a high-voltage ring main unit according to claim 1 is characterized in that: The cross section of the positioning block (8) is designed to be L-shaped, and the end of the positioning block (8) is in conflict with the outer wall of the feed baffle (5), and two positioning blocks (8) are symmetrically installed on the outer wall of the cabinet (1), and the top corner of the feed baffle (5) is designed to be beveled.

3. The moisture-proof protection mechanism for a high-voltage ring main unit according to claim 1 is characterized in that: The driving assembly is composed of a positioning block (8), a gear (9), a sprocket (10), and a chain (11); a gear (9) is installed in the cabinet (1), a sprocket (10) is installed at one end of the gear (9), and the other end of the gear (9) is connected to a pressing block (15).

4. The moisture-proof protection mechanism for a high-voltage ring main unit according to claim 3 is characterized in that: A sprocket (10) is also installed at the end of the positioning block (8) located in the cabinet (1), and a chain (11) for connecting the sprockets (10) is arranged in the cabinet (1).

5. The moisture-proof protection mechanism for a high-voltage ring main unit according to claim 1, characterized in that: The ventilation holes (3) are provided in a plurality of groups at equal intervals on the outer wall of the moisture-proof box (2), and the through holes (13) are provided in a plurality of groups at equal intervals on the outer wall of the movable plate (12), and the outer wall of the movable plate (12) is provided with a plurality of groups of rubber balls (121) corresponding to the ventilation holes (3) at equal intervals.

6. The moisture-proof protection mechanism for a high-voltage ring main unit according to claim 1, characterized in that: A plurality of support rods (14) slidably connected to the movable plate (12) are symmetrically mounted on the outer wall of the moisture-proof box (2), and the ends of the support rods (14) are located in the outermost through holes (13) of the movable plate (12).

7. The moisture-proof protection mechanism for a high-voltage ring main unit according to claim 1, characterized in that: A plurality of transmission ears (16) connected to the movable plate (12) are slidably mounted on the outer wall of the moisture-proof box (2), and the ends of the transmission ears (16) are connected to the springs (18).

8. The moisture-proof protection mechanism for high-voltage ring main unit according to claim 7, characterized in that: The inner wall of the cabinet (1) is provided with a plurality of T-shaped rods (17) slidably connected to the transmission ears (16), and the ends of the T-shaped rods (17) are in contact with the outer wall of the transmission ears (16).

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