Line grounding device

Abstract

The utility model discloses a line grounding device. The line grounding device comprises a frame line body and a plurality of ray bodies, wherein the frame line body is used for being electrically connected with an iron tower; the plurality of ray bodies are arranged around the frame line body, and the plurality of ray bodies are electrically connected with the frame line body; wherein the ray body extends along the direction far away from the frame line body. In actual use, the iron tower is grounded through the frame line body, and the ray body can disperse current on the frame line body, so that the current can be led to the ground more efficiently. And if a fault current occurs in the line, the ray body can disperse the current, so that the resistance value of the whole device is reduced, the heating is reduced, the effect of aggravating corrosion to the line grounding device by the impact of the current is further reduced, and the service life of the line grounding device is prolonged.

Description

Technical Field

[0001] This utility model relates to the field of power transmission line grounding technology, and in particular to a line grounding device. Background Technology

[0002] Grounding devices are often buried in the soil, and soil corrosion has become the most significant factor affecting the lifespan of grounding electrodes. Generally, soil corrosion is classified into four levels according to current power industry standards: micro-corrosion, weak corrosion, medium corrosion, and strong corrosion. In areas with strong corrosion (such as most of Yunnan province), the soil corrosion is intense, and coupled with short-circuit currents in transmission lines, the impact of these currents exacerbates corrosion, frequently causing grounding devices to corrode and break, severely impacting grounding effectiveness. Utility Model Content

[0003] To address the problem of corrosion in existing grounding devices, this invention provides a line grounding device.

[0004] This application provides a line grounding device, including a frame wire and a plurality of ray elements. The frame wire is used for electrical connection with a tower. The plurality of ray elements are arranged around the frame wire and are all electrically connected to the frame wire. The ray elements extend in a direction away from the frame wire.

[0005] In some embodiments, the frame body is a ring structure, the frame body is used to surround the iron tower, the ray bodies are evenly distributed along the ring structure, one end of each ray body is connected to the outside of the ring structure, and each ray body is arranged radially.

[0006] In some embodiments, the line grounding device further includes a current-conducting element, one end of which is electrically connected to the frame wire body, and the other end is used for electrically connecting to the iron tower.

[0007] In some embodiments, the frame body, the ray body, and the flow guide are all made of the same corrosion-resistant material.

[0008] In some embodiments, the end of the guide member used to connect to the tower is provided with a grounding plate, and the grounding plate is provided with mounting holes for matching the holes of the tower.

[0009] In some embodiments, the line grounding device further includes a plurality of bleed grounding electrodes, which are arranged along the extension direction of the ray body.

[0010] In some embodiments, the ray body is provided with a plurality of first connecting portions along the extending direction of the ray body;

[0011] The bleed grounding electrode is provided with a second connection part, and the first connection part matches the second connection part.

[0012] In some embodiments, the discharge grounding electrode has a corrugated or toothed surface for conforming to the soil.

[0013] In some embodiments, the leakage grounding electrode is made of graphite.

[0014] In some implementations, a predetermined distance is formed between adjacent bleed grounding electrodes to reduce shielding.

[0015] Compared with existing technologies, the line grounding device provided by this utility model has the following advantages: the tower is grounded through the frame wire, and the ray body can disperse the current on the frame wire, thereby conducting the current to the ground more efficiently. If a fault current occurs in the line, the ray body can disperse the current, reducing the overall resistance of the device and reducing heat generation, thus mitigating the effect of current surges on the line grounding device and improving its service life. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of one embodiment of the application;

[0017] Figure 2 This is another structural schematic diagram of one embodiment of the application;

[0018] Figure 3 This is a schematic diagram of the structure of one embodiment of the flow guide provided in this application;

[0019] Figure 4 This is a schematic diagram of the structure of one embodiment of the grounding connection plate provided in this application.

[0020] 100, frame body; 200, ray body; 01, connector; 300, current guide; 03, mounting hole; 31, grounding plate; 400, current discharge grounding electrode; 02, connection hole. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not be used to limit the scope of protection of this utility model in any way.

[0022] 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.

[0023] It should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0024] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

[0026] The present invention will now be described in further detail with reference to the accompanying drawings.

[0027] like Figure 1 The illustrated line grounding device includes a frame conductor 100 and multiple radial conductors 200. The frame conductor 100 is electrically connected to the tower. The multiple radial conductors 200 are arranged around the frame conductor 100 and are all electrically connected to the frame conductor 100. The radial conductors 200 extend in a direction away from the frame conductor 100. In practical use, the tower is grounded through the frame conductor 100, and the radial conductors 200 can disperse the current on the frame conductor 100, thereby more efficiently conducting the current to the ground. If a fault current occurs in the line, the radial conductors 200 can disperse the current, reducing the overall resistance of the device and decreasing heat generation. This mitigates the corrosive effect of current surges on the line grounding device, thus extending its service life.

[0028] The technical details of each component will be introduced below.

[0029] In some embodiments, the frame body 100 has a ring structure and is used to surround the iron tower. The ray bodies 200 are evenly distributed along the ring structure, with one end of each ray body 200 connected to the outside of the ring structure, and each ray body 200 is arranged radially.

[0030] like Figure 1 , Figure 2 As shown, the frame line body 100 is set around the perimeter of the iron tower to evenly guide the current on the line into the ground around the iron tower, and the ray body 200 is distributed radially from the iron tower to evenly disperse the current on the frame line body 100 into the surrounding land.

[0031] Understandably, both the frame body 100 and the ray body 200 are conductors, allowing for full contact with the earth after burial. The ring structure facilitates current dispersion, enabling efficient conduction of the current from the tower line into the earth. This reduces the impact of current surges on the grounding device's corrosion, thus extending its service life.

[0032] In some implementations, such as Figure 1 , Figure 2 , Figure 3 As shown, the line grounding device provided in this application also includes a current-conducting component 300. One end of the current-conducting component 300 is electrically connected to the frame conductor 100, and the other end is used for electrically connecting to the tower. The current-conducting component 300 is used to connect the tower to the frame conductor 100, and the current on the tower line is conducted into the frame conductor 100 through the current-conducting component 300. The current-conducting component 300 can be connected to the frame conductor 100 by welding. Welding ensures a tight connection between the current-conducting component 300 and the frame conductor 100, preventing loosening.

[0033] Furthermore, such as Figure 1 , Figure 2 As shown, the line grounding device is equipped with multiple current-conducting elements 300, which are connected to different parts of the frame 100. In this way, the current in the tower line can simultaneously pass through multiple current-conducting elements 300 to different parts of the frame 100, improving the current conduction efficiency. It can be understood that, from a circuit perspective, when conducting current in the tower line, the multiple current-conducting elements 300 are connected in parallel. According to circuit principles, the parallel connection of multiple current-conducting elements 300 can reduce the overall resistance of the circuit, improve the circuit conduction efficiency, and also reduce the heat generation of the line grounding device. This reduces the corrosive effect of current surges on the line grounding device, thus extending its service life.

[0034] In some embodiments, the frame 100, the ray body 200, and the current-conducting component 300 are all made of the same corrosion-resistant material. In actual use, soil contains moisture. According to electrochemical principles, commonly used metals of different materials, when in contact and buried together in the soil, will form a galvanic cell, causing electrochemical corrosion of the more reactive metal and accelerating the corrosion rate. Therefore, the frame 100, ray body 200, and current-conducting component 300 of the line grounding device of this application are all made of the same metal material. After being buried in the soil, the aforementioned electrochemical corrosion can be avoided, extending the service life of the line grounding device. Furthermore, the metals used in the frame 100, ray body 200, and current-conducting component 300 are corrosion-resistant metal materials, which can further reduce the corrosive effect of the soil on the line grounding device, improving its service life. In actual use, this can reduce the frequency of maintenance of the line grounding device by workers.

[0035] Specifically, the aforementioned frame body 100, ray body 200, and flow guide 300 can use anti-corrosion composite copper-clad steel as the base material, which is an upgrade of copper-clad steel. A highly corrosion-resistant alloy layer is applied to the outer surface of the copper layer using a special process to meet the protection requirements of the copper layer for different service lives in medium to strong corrosive environments. The base material of the aforementioned frame body 100, ray body 200, and flow guide 300 can be copper, and the surface of the copper can be provided with an alloy layer (corrosion-resistant alloy layer). In specific applications, the base material of the frame body 100, ray body 200, and flow guide 300 can also be connected to an anode protection component. When the base material is copper, the anode protection component can be a metal more reactive than copper.

[0036] In some implementations, such as Figure 3 As shown, the end of the guide member 300 used for connecting to the tower is provided with a grounding connecting plate 31. The grounding connecting plate 31 is provided with mounting holes 03 that match the holes on the tower. The grounding connecting plate 31 can be aligned and matched with the pre-reserved grounding holes on the tower through the mounting holes 03. During connection, the grounding connecting plate 31 can be quickly fixed to the pre-reserved grounding holes on the tower with bolts. The tower and the frame body 100 can be connected through the grounding connecting plate 31 via the guide member 300 to achieve the grounding of the tower.

[0037] In some implementations, such as Figure 1 , Figure 2 As shown, the line grounding device provided in this application also includes multiple current-discharging grounding electrodes 400, which are arranged along the extension direction of the ray body 200. The multiple current-discharging grounding electrodes 400 are used as a dedicated current-discharging and resistance-reducing unit. Fault current can be conducted through the ray body 200 to the current-discharging grounding electrodes 400 for centralized discharge, achieving a good resistance reduction effect. The specific number of current-discharging grounding electrodes 400 is designed to meet the grounding resistance requirements.

[0038] In some embodiments, the ray body 200 is provided with multiple first connecting portions along its extension direction; correspondingly, the bleed grounding electrode 400 is provided with a second connecting portion, and the first connecting portions and the second connecting portions are matched. The first connecting portions and the second connecting portions are provided with mutually matching connection structures. Since there are a certain number of bleed grounding electrodes 400, connecting them is relatively troublesome. Through the above design, the bleed grounding electrodes 400 can be quickly connected to the ray body 200 in actual installation, so as to facilitate the installation and setting of the line grounding device in practical applications.

[0039] Specifically, such as Figure 1 , Figure 2 , Figure 3 As shown, the first connecting part is provided with a connector 01, and the second connecting part is provided with a connection hole 02. The connector 01 is used to be inserted into the connection hole 02 to realize the quick connection of the discharge grounding electrode 400 to the ray body 200.

[0040] In some implementations, such as Figure 4 As shown, the bleed grounding electrode 400 has a corrugated or toothed surface for adhering to the soil. This design increases the contact area between the bleed grounding electrode 400 and the soil, while also preventing the bleed grounding electrode 400 from sliding or shifting after installation. This enhances the conductivity of the bleed grounding electrode 400 and improves the stability of the line grounding device after installation.

[0041] In some implementations, the bleeder grounding electrode 400 is made of graphite. As is well known, graphite has good electrical conductivity, stable chemical properties, and excellent corrosion resistance, which helps to improve the service life of the grounding device.

[0042] In other embodiments, the bleed grounding electrode 400 included in the line grounding device provided in this application may also adopt the carbon crystal composite grounding module disclosed in patent number "ZL202020271104.7" to improve the service life of the line grounding device.

[0043] In some implementations, such as Figure 1 , Figure 2 As shown, a predetermined distance is formed between adjacent bleed grounding electrodes 400 to reduce shielding. The predetermined distance between adjacent bleed grounding electrodes 400 can reduce shielding.

[0044] In practical use, the aforementioned bleed grounding electrode 400 can reduce resistance, thereby reducing the number of ray bodies 200 required. Understandably, when installing this grounding device, workers need to dig trenches to bury the frame wire 100 and ray bodies 200 underground. By reducing the number of ray bodies 200 by using the bleed grounding electrode 400, the excavation area required by construction workers is reduced, lowering the difficulty of laying the grounding device. Furthermore, the more ray bodies 200 there are, the greater the probability of them failing under ground stress. Therefore, by installing the bleed grounding electrode 400, the failure probability of the grounding device can also be reduced.

[0045] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0046] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0047] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A line grounding device, characterized in that, include: A frame wire body (100) is used for electrical connection with the tower; Multiple ray bodies (200) are arranged around the frame body (100), and each of the multiple ray bodies (200) is electrically connected to the frame body (100); The ray body (200) extends in a direction away from the frame body (100); The line grounding device also includes a plurality of leakage grounding electrodes (400), which are arranged along the extension direction of the ray body (200).

2. The line grounding device according to claim 1, characterized in that, The frame body (100) has a ring structure and is used to surround the iron tower. The ray bodies (200) are evenly distributed along the ring structure. One end of each ray body (200) is connected to the outside of the ring structure, and each ray body (200) is arranged radially.

3. The line grounding device according to claim 1, characterized in that, The line grounding device also includes a current-conducting element (300), one end of which is electrically connected to the frame body (100), and the other end is used to electrically connect to the iron tower.

4. The line grounding device according to claim 3, characterized in that, The frame body (100), the ray body (200), and the guide (300) are all made of the same corrosion-resistant material.

5. The line grounding device according to claim 3, characterized in that, The guide member (300) is used to connect to the tower. One end of the tower is provided with a grounding plate (31). The grounding plate (31) is provided with mounting holes (03) that match the holes of the tower.

6. The line grounding device according to claim 1, characterized in that, Along the extending direction of the ray body (200), the ray body (200) is provided with a plurality of first connecting portions; The bleed grounding electrode (400) is provided with a second connection part, and the first connection part matches the second connection part.

7. The line grounding device according to claim 1, characterized in that, The discharge grounding electrode (400) has a corrugated or toothed surface for adhering to the soil.

8. The line grounding device according to claim 1, characterized in that, The leakage grounding electrode (400) is made of graphite.

9. The line grounding device according to claim 1, characterized in that, A predetermined distance is formed between adjacent discharge grounding electrodes (400) to reduce shielding.

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