A waterproof flow guide device for a low-voltage side of a main transformer of a wind farm booster station

Abstract

The utility model provides a kind of waterproof flow guide device of wind farm booster station main transformer low voltage side wall -penetrating bus, including the flow guide body being straddled on the top of wall -penetrating, and the flow guide body is formed flow guide passage with herringbone cross section flow guide body and wall body, sealing layer filled with joint interface, sealing layer includes bottom sealant layer and top water-blocking glue layer, and fixed assembly consisting of U-shaped slot support part and with conical end of prong, elastic expansion piece anchoring portion, flow guide body is PVC material and surface is coated with nano hydrophobic coating. The device can efficiently waterproof flow guide, installation is convenient, and durability is strong, can protect wall -penetrating bus, guarantee electrical system safe and stable operation.

Description

Technical Field

[0001] This utility model relates to the field of power facility protection technology, specifically to a waterproof diversion device for the low-voltage side through-wall busbar of the main transformer in a wind farm booster station. Background Technology

[0002] During the operation of a wind farm, the wall-penetrating design of the low-voltage side enclosed busbar of the main transformer faces a key technical challenge: due to the poor sealing between the metal structure and the wall, rainwater can easily seep into the 35kV distribution room. This not only affects the performance of the power equipment, but may also lead to equipment damage and power outages, increasing maintenance costs and safety risks.

[0003] Current technical solutions: The commonly used method in the industry is to seal the wall penetration area with cement and bricks, attempting to prevent rainwater leakage through physical barriers, while simultaneously using sealant to seal the area around the busbar. However, the existing technology has the following drawbacks: 1. Poor sealing effect: Traditional cement brick sealing and sealant sealing methods cannot provide a lasting sealing effect, which can easily lead to rainwater leakage; 2. Insufficient waterproofing: Existing methods are inadequate in preventing rainwater from seeping into the 35kV power distribution room, affecting the normal operation of electrical equipment; 3. High maintenance costs: Due to the unsatisfactory sealing effect, frequent maintenance and replacement are required, which increases maintenance costs; 4. Construction complexity: Traditional sealing methods involve complex construction processes that require professional personnel to operate, increasing the difficulty and time required for construction.

[0004] 5. Poor durability: After prolonged use, the sealing material is prone to aging and cracking, resulting in a gradual weakening of its waterproof effect; 6. Safety issues: Rainwater leakage may cause electrical short circuits and other safety hazards, threatening the stable operation of the power system.

[0005] 7. Poor adaptability: Existing sealing methods are difficult to accurately adapt to wall penetrations of different sizes and shapes, affecting the sealing effect. Utility Model Content

[0006] Based on the above-mentioned technical problems, this utility model proposes a waterproof diversion device for the low-voltage side through-wall busbar of the main transformer in a wind farm booster station.

[0007] A waterproof diversion device for the low-voltage side through-wall busbar of the main transformer in a wind farm booster station includes: A flow guide is installed above the wall penetration opening, forming a flow channel with the outer surface of the wall. The extension direction of the flow guide is parallel to the plane of the wall. A sealing layer is filled at the interface between the fluid guide and the wall to form a continuous sealing surface; Fixed components, including: The support section is detachably connected to the fluid guide. The anchoring part extends from the support part and embeds itself inside the wall, providing clamping force perpendicular to the wall surface.

[0008] More preferably, the cross-section of the fluid guide has a herringbone shape and includes: The central arched section arches upwards and is directly aligned with the center line of the wall penetration opening; The two drainage wings extend downwards from the central arched part to both sides of the wall opening.

[0009] More preferably, the fluid guide is a tubular component, with one side of its outer wall in contact with the wall, and the upper side of the fluid guide near the wall forming a flow channel with the wall.

[0010] More preferably, the sealing layer comprises: A bottom sealing layer covers the bottom wall of the flow channel; A top water-blocking adhesive layer is applied along the upper side of the junction between the fluid guide and the wall, and its thickness is no higher than the fluid guide channel.

[0011] More preferably, the support portion is an inwardly opening U-shaped groove, and the fluid guide is nested within the U-shaped groove; The anchoring portion includes: The tapered insertion end is used to penetrate the surface of a wall; The elastic expansion piece is symmetrically positioned behind the conical insertion end, and after being embedded in the wall, it springs outward to form a barbed structure.

[0012] More preferably, the side of the elastic expansion piece facing away from the wall is provided with anti-slip serrations.

[0013] More preferably, the fluid guide is made of PVC material and its surface is coated with a nano-hydrophobic coating.

[0014] Beneficial effects: 1. High-efficiency waterproofing and diversion: The herringbone structure and diversion channel design of the diversion system can effectively guide rainwater and other liquids away from the wall-penetrating busbar. Combined with the continuous sealing of the sealing layer, it forms double waterproof protection, which greatly improves the waterproofing effect and ensures that the wall-penetrating busbar is not damaged by liquids. 2. Easy installation: The design of the U-shaped slot and conical insertion end of the fixing component makes the installation process simple and easy, without the need for complicated tools and professional skills, and can be completed quickly, saving installation time and labor costs; 3. High durability: The fluid guide is made of PVC material and coated with a nano hydrophobic coating. The sealing layer uses high-quality sealant. The elastic expansion plate and anti-slip toothed design of the anchor part enhance the durability of the device, enabling it to work stably for a long time in various harsh environments, reducing the frequency of maintenance and replacement, and lowering maintenance costs. 4. Protection of through-wall busbars: The structural design of the device will not generate additional pressure or stress on the through-wall busbars, and at the same time effectively prevent liquid penetration, thereby protecting the insulation layer and electrical performance of the through-wall busbars and ensuring the safe and stable operation of the electrical system. Attached Figure Description

[0015] Figure 1 A schematic diagram of the structure of this utility model is shown. Figure 1 ; Figure 2 A schematic diagram of the structure of this utility model is shown. Figure 2 ; Figure 3 A schematic diagram of the flow guiding channel of this utility model is shown; Figure 4 A schematic diagram of the fixing component of this utility model is shown; In the attached diagram, 100 is the flow guide, 20 is the wall, 21 is the wall penetration, 101 is the flow channel, 200 is the sealing layer, 300 is the fixing component, 310 is the support, 320 is the anchoring part, 330 is the protrusion, 110 is the central arch, 120 is the double-sided drainage wing, 1001 is the upper side, 210 is the bottom sealing layer, 220 is the top water-blocking layer, 321 is the insertion end, and 322 is the elastic expansion piece. Detailed Implementation

[0016] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0017] like Figures 1-4 The device shown is a waterproof and diverting device for the low-voltage side through-wall busbar of the main transformer in a wind farm booster station. The diverting flow 100 spans is located above the through-wall opening 21 of the wall 20. Its special structural design enables the device to simultaneously perform the dual functions of waterproof sealing and rainwater diversion. Specifically: The guide 100 adopts a herringbone cross-section structure, including a central arched part 110 and double-sided drainage wings 120. The central arched part 110 forms the first waterproof barrier directly opposite the center line of the wall penetration 21. Its upward arched shape can effectively resist vertically falling rainwater. The upper side 1001 of the guide 100 near the wall 20 forms a drainage channel 101 with the wall 20. The double-sided drainage wings 120 are generally set to extend downward at an angle of 15-45 degrees. This inclined design creatively transforms the "passive blocking" of the traditional water baffle into "active drainage", so that the rainwater flowing down the wall is quickly diverted away from the area of ​​the wall penetration 21. In the preferred embodiment, the guide 100 adopts a tubular component. Its internal cavity can reduce the overall weight, and the contact surface between the outer wall and the wall 20 forms a drainage channel 101.

[0018] The sealing layer 200 adopts a gradient sealing design, including a bottom sealing adhesive layer 210 and a top water-blocking adhesive layer 220. The bottom sealing adhesive layer 210 completely covers the bottom wall of the flow channel 101 to ensure basic sealing. The top water-blocking adhesive layer 220 is applied along the upper side of the joint line, and its thickness is precisely controlled to not exceed the height of the flow channel 101. This ensures the sealing effect while preventing the adhesive from overflowing and affecting the flow function. This layered sealing structure can adapt to the slight unevenness of the wall surface 20 and form a durable elastic seal.

[0019] The fixing component 300 adopts a combination of mechanical anchoring and elastic clamping. The support part 310 is designed as an inward-facing U-shaped groove, and its inner wall can be equipped with an elastic pad, which facilitates the quick installation of the fluid guide 100 and can buffer the stress of thermal expansion and contraction. The conical insertion end 321 of the anchoring part 320 can easily penetrate the surface of the wall 20. The symmetrically arranged elastic expansion plates 322 automatically spring open after being inserted to form a barb structure. Combined with the anti-slip toothed design, it ensures that the device remains stable under strong wind conditions.

[0020] The Fluid Guide 100 uses a PVC material matrix combined with a nano hydrophobic coating, making it difficult for rainwater to adhere and further improving the flow efficiency.

[0021] To facilitate nailing the fixing component 300 into the wall 20, a protrusion 330 is provided on the lower side of the anchoring part 320. During installation, the protrusion 330 can be hammered into the wall 20.

[0022] The working principle of this device is as follows: when rainwater flows down the wall, rainwater and other liquids fall on the guide fluid 100 and will flow along the inclined direction of the central arch 110 and the double-sided guide wings 120 through the guide channel 101 to both sides of the wall penetration 21, away from the wall penetration busbar. The low surface energy characteristics of the nano hydrophobic coating can reduce the residence time of raindrops on the surface of the guide fluid 100.

[0023] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A waterproof flow guide device for a low-voltage side of a main transformer of a wind farm booster station, characterized in that, include: A flow guide (100) is positioned above the wall opening (21) of the wall (20), forming a flow guide channel (101) with the outer surface of the wall (20). The extension direction of the flow guide channel (101) is parallel to the plane of the wall. A sealing layer (200) is filled at the interface between the fluid guide (100) and the wall (20) to form a continuous sealing surface; Fixed component (300), comprising: The support (310) is detachably connected to the fluid guide (100); An anchor (320) extends from the support (310) and is embedded inside the wall (20) to provide clamping force perpendicular to the wall.

2. The waterproof flow guide device for the low-voltage side of the main transformer of the booster station of the wind farm according to claim 1, characterized in that, The cross-section of the fluid guide (100) has a herringbone structure and includes: The central arch (110) arches upward and is directly opposite the center line of the through-wall opening (21); The double-sided drainage wings (120) extend downward from the central arch (110) to both sides of the wall opening (21).

3. The waterproof diversion device for the low-voltage side through-wall busbar of the main transformer in a wind farm booster station according to claim 2, characterized in that, The guide fluid (100) is a tubular component with one side of its outer wall in contact with the wall (20). The upper side (1001) of the guide fluid (100) near the wall (20) forms a guide channel (101) with the wall (20).

4. The waterproof and flow guide device for the low-voltage side of the main transformer of the booster station of the wind farm of claim 1, characterized in that, The sealing layer (200) includes: Bottom sealant layer (210) covers the bottom wall of the flow channel (101); A top water-blocking adhesive layer (220) is applied along the upper side of the junction between the flow guide (100) and the wall (20), and its thickness is no higher than that of the flow guide channel (101).

5. The waterproof and flow guide device for the low-voltage side of the main transformer of the booster station of the wind farm of claim 1, characterized in that, The support part (310) is a U-shaped groove with the opening facing inward, and the guide fluid (100) is nested in the U-shaped groove; The anchoring part (320) includes: The conical insertion end (321) is used to penetrate the surface of the wall; The elastic expansion piece (322) is symmetrically positioned behind the conical insertion end (321), and after being embedded in the wall, it springs outward to form a barb structure.

6. The waterproof flow guide device for the low-voltage side of the main transformer of the booster station of the wind farm of claim 5, characterized in that, The elastic expansion piece (322) has anti-slip serrations on the side facing away from the wall.

7. The waterproof and flow guide device for the low-voltage side of the main transformer of the booster station of the wind farm of claim 1, characterized in that, The fluid guide (100) is made of PVC material and its surface is coated with a nano-hydrophobic coating.

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