CN216450822U

CN216450822U - Slow release type ion grounding device

Info

Publication number: CN216450822U
Application number: CN202123055926.5U
Authority: CN
Inventors: 马智刚; 王晓燕
Original assignee: Suwen Electric Energy Technology Co ltd
Current assignee: Suwen Electric Energy Technology Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-06
Anticipated expiration: 2031-12-08

Abstract

The utility model relates to a slow-release type ion grounding device, which is provided with a grounding metal tube body, an upper polar cover, a lower polar cover, a connecting wire, slow-release ion fillers, water-absorbing fillers and a material supplementing assembly, wherein the upper polar cover is arranged on the upper polar cover; the upper pole cover and the lower pole cover are respectively covered at the upper end and the lower end of the grounding metal pipe body; the connecting line is fixedly arranged on the outer surface of the metal pipe body; the grounding metal tube body comprises a metal inner tube and a metal outer tube, and the slow-release ionic filler is filled in the tube cavity of the metal inner tube; the water-absorbing filler is filled between the metal inner pipe and the metal outer pipe; the metal outer pipe and the metal inner pipe are both provided with a drainage hole; and a material supplementing component inserted into the metal inner pipe is arranged on the upper pole cover. The utility model can reduce the resistance of the surrounding soil; meanwhile, the slow release period of the slow release ionic filler is long, and different embedding requirements can be met.

Description

Slow release type ion grounding device

Technical Field

The utility model relates to a grounding device, in particular to a slow-release type ion grounding device.

Background

With the rapid development of domestic economy, the living standard of people is continuously improved, and the dependence on the power utilization requirement is more and more intense. The reliability of the power distribution network is directly related to the people's problems. The national power grid increases the investment of power distribution network projects in order to enable customers to have better experience. At present, with the development of power distribution systems all over the world, conventional power distribution systems are perfect, can be operated safely in various environments, can provide high-quality, efficient and safe electric energy for most people, and meet the requirements of office work and production of most companies and factories. However, based on the characteristics that the project period of the single project for power distribution network project construction is short, the project amount is small, but the overall construction scale is huge, the scale of the corresponding power distribution network equipment requirements is huge. Aiming at the characteristics of multiple power distribution network engineering projects, different construction capabilities, multiple supply manufacturers, multiple related specialties, short construction period and the like, the design standardization of the power distribution network and the implementation safety of the power distribution network project, particularly the grounding safety become the important importance of the power distribution network construction.

The traditional method for reducing the tower grounding resistance comprises the following six steps: utilizing soil with low resistivity (namely a soil replacement method); secondly, the soil is treated artificially to carry out chemical treatment on the soil; adopting external leading type grounding; adopting conductive concrete; adopting chemical treatment method of resistance reducing agent; sixthly, drilling and deeply burying the grounding electrode. However, the existing power distribution network grounding grid is huge, and most of the grounding grid is made of metal materials, steel metal alloys, full copper and the like. However, if the steel is buried underground for a long time, the metal material is corroded and aged, so that the resource is lost, and the service life is shortened. Particularly, the carbon content is high, and the rust is serious after years, so that the carbon needs to be replaced. Thereby affecting the safe operation of the distribution line.

In order to solve the problem, a novel grounding device is required to be developed, and the novel grounding device has the characteristics of excellent resistance reduction performance, good stability and strong current discharge capacity, and also has the advantages of effective barrier low earth potential counterattack, long service life, safety, environmental protection and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a slow-release type ion grounding device, which can improve surrounding soil and reduce the resistance of the surrounding soil through slow-release ionic filler; meanwhile, the slow release period of the slow release ionic filler is long, and the slow release ionic filler is conveniently added at the later stage; and the grounding device can adapt to different embedding requirements according to the embedding requirements of the grounding device.

The technical scheme for realizing the purpose of the utility model is as follows: the utility model is provided with a grounding metal tube body, an upper polar cap, a lower polar cap, a connecting wire, a slow-release ion filler, a water-absorbing filler and a material supplementing assembly; the upper pole cover and the lower pole cover are respectively covered at the upper end and the lower end of the grounding metal pipe body; the connecting wire is fixedly arranged on the outer surface of the metal pipe body; the grounding metal pipe body comprises a metal inner pipe and a metal outer pipe, and the metal inner pipe is coaxially arranged inside the metal outer pipe; the slow-release ionic filler is filled in the tube cavity of the metal inner tube; the water-absorbing filler is filled in a space between the metal inner pipe and the metal outer pipe; the metal outer pipe and the metal inner pipe are both provided with a drainage hole; the material supplementing assembly comprises a material supplementing pipe, a limiting ring and a plug; the limiting ring is fixedly arranged on the inner wall of the metal inner pipe; the supplemented material pipe is arranged in the limiting ring in a sliding manner; the upper pole cover is provided with a material supplementing opening; the lower end of the material supplementing pipe extends into a pipe cavity of the metal inner pipe, and the upper end of the material supplementing pipe extends out of the metal inner pipe and is clamped on the material supplementing opening; the plug is arranged at the opening part at the upper end of the material supplementing pipe.

Furthermore, a plurality of drainage holes are distributed on the circumferential walls of the metal outer pipe and the metal inner pipe. Thereby the slow release ionic filler is uniformly dispersed to the surrounding soil.

Further, the lower pole cover comprises a cavity body with a cavity, and the upper end surface of the cavity body is provided with a first connecting pipe body communicated with the cavity; the first connecting pipe body is fixedly connected with the lower end of the metal inner pipe in a threaded fit manner; and the cavity body is provided with a drainage hole for communicating the cavity with the outside.

Further, a second connecting pipe body is arranged on the upper pole cover; and the upper pole cover is fixedly connected with the upper end of the metal inner pipe in a threaded fit manner through the second connecting pipe body.

As an optimized design, the device is provided with two grounding metal pipe bodies and a splicing pipe body; the splicing pipe body comprises a hollow body; the two ends of the hollow body are provided with third connecting pipe bodies which can form thread matching fixed connection with the upper end or the lower end of the metal inner pipe;

the two grounding metal pipe bodies are spliced into a whole through the splicing pipe body, and the metal inner pipes of the two grounding metal pipe bodies are communicated; the upper end cover of the upper grounding metal pipe body is provided with an upper polar cover; the lower end cover of the next grounding metal pipe body is provided with a lower pole cover.

Further, the splicing pipe body is in a straight pipe shape or a bent shape.

Furthermore, two opposite sides of the limiting ring are inwards concave to form convex points; a chute is arranged on the material supplementing pipe along the sliding direction of the material supplementing pipe; the salient points are clamped into the sliding grooves.

Further, a limiting table is arranged at the opening part at the upper end of the material supplementing pipe; and a sinking platform hole for clamping the limiting platform and limiting the limiting platform to move downwards continuously is formed in the feeding opening.

The utility model has the positive effects that: (1) the utility model can improve the resistance of the surrounding soil for a long time by slowly releasing the ionic filler.

(2) The utility model can delay the leakage of the slow-release ionic seasoning through the water-absorbing filler, particularly in seasons and areas with abundant rainwater.

(3) The slow-release ionic filler can be supplemented in the later period through the material supplementing assembly; wherein the design of the feeding assembly is hidden, the whole size is not influenced, and the construction difficulty is not increased.

(4) The utility model can realize the change in different depths and angles by splicing the pipe bodies, thereby meeting the burying requirements in the vertical direction, the horizontal direction and the inclined shaft direction.

(5) The utility model has the obvious advantages of excellent resistance reduction performance, good stability, strong current discharge capability, long service life, safety, environmental protection and the like, and can effectively reduce ground potential counterattack. The method is particularly suitable for areas with severe grounding conditions, high soil resistivity, shallow soil layer, extremely low soil water content, complex terrain, extremely poor construction conditions, high engineering difficulty and the like.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic diagram of the construction of a feed tube assembly according to the present invention;

FIG. 4 is a schematic structural diagram of a lower polar cap according to the present invention;

FIG. 5 is a schematic structural view of a spliced pipe body according to the present invention;

FIG. 6 is a schematic view of the vertical burying of the present invention;

FIG. 7 is a schematic view of horizontal burying according to the present invention.

Detailed Description

Referring to fig. 1 to 5, the present invention comprises a grounded metal tube 1, an upper polar cap 2, a lower polar cap 3, a connecting wire 4, a slow-release ionic filler 5, a water-absorbent filler 6 and a supplementary material assembly 7; the upper polar cover 2 and the lower polar cover 3 are respectively covered at the upper end and the lower end of the grounding metal pipe body 1; the connecting wire 4 is fixedly arranged on the outer surface of the metal pipe body 1; the grounding metal pipe body 1 comprises a metal inner pipe 11 and a metal outer pipe 12, wherein the metal inner pipe 11 is coaxially arranged inside the metal outer pipe 12; the slow-release ionic filler 5 is filled in the tube cavity of the metal inner tube 11; the water-absorbing filler 6 is filled in the space between the metal inner pipe 11 and the metal outer pipe 12; a plurality of drainage holes 13 are distributed on the metal outer pipe 12 and the metal inner pipe 11; the material supplementing assembly 7 comprises a material supplementing pipe 71, a limiting ring 72 and a plug 73; the limiting ring 72 is fixedly arranged on the inner wall of the metal inner pipe 11; the supplemented material pipe 71 is arranged in the limiting ring 72 in a sliding manner; convex points are formed on two opposite sides of the limiting ring 72 through inward concave; a chute is arranged on the material supplementing pipe 71 along the sliding direction of the material supplementing pipe; the salient points are clamped into the sliding grooves, so that the material supplementing pipe 71 can move up and down under the guidance of the salient points; the upper pole cover 2 is provided with a material supplementing port; the lower end of the material supplementing pipe 71 extends into the pipe cavity of the metal inner pipe 11, and the upper end of the material supplementing pipe 71 extends out of the metal inner pipe 11 and is clamped on the material supplementing opening; the plug 73 is arranged at the mouth of the upper end of the feed supplement pipe 71.

Wherein the slow release ionic filler 5 is an inorganic electronic material which is easy to conduct electricity; the water-absorbing filler 6 is an organic chemical material having good water-retaining property and water-absorbing property.

A limiting table is arranged at the opening part at the upper end of the material supplementing pipe 71; and a sinking platform hole for clamping the limiting platform and limiting the limiting platform to move downwards continuously is formed in the feeding opening. When the limiting platform of the material supplementing pipe 71 is clamped into the sinking platform hole, the upper port of the material supplementing pipe 71 is flush with the upper pole cover 2.

The lower pole cover 3 comprises a chamber body 31 with a chamber, and the upper end surface of the chamber body 31 is provided with a first connecting pipe 32 communicated with the chamber; the first connecting pipe body 32 is fixedly connected with the lower end of the metal inner pipe 11 through thread matching; the chamber body 31 is provided with a drain hole 13 for communicating the chamber with the outside.

The upper pole cover 2 is provided with a second connecting pipe body 21; the upper pole cover 2 is fixedly connected with the upper end of the metal inner tube 11 through a second connecting tube body 21 in a threaded fit mode.

Referring to fig. 6, when vertically buried, the slow release type ion grounding device is vertically placed with the lower pole cap 3 positioned below.

Referring to fig. 7, when the metal tube is horizontally buried, two grounding metal tubes 1 and a splicing tube 8 are adopted; the splicing tube body 8 comprises a hollow body 81; the two ends of the hollow body 81 are provided with third connecting pipe bodies 82 which can form thread matching and fixed connection with the upper end or the lower end of the metal inner pipe 11; the hollow body 81 is provided with a drain hole 13 communicating with the inside thereof.

The two grounding metal pipe bodies 1 are spliced into a whole through the splicing pipe body 8, and the metal inner pipes 11 of the two grounding metal pipe bodies 1 are communicated; the upper end cover of the upper grounding metal pipe body 1 is provided with an upper polar cover 2; the lower end cover of the next grounding metal pipe body 1 is provided with a lower polar cover 3.

Meanwhile, the splicing pipe body 8 is bent by 90 degrees, so that the next grounding metal pipe body 1 is horizontally placed.

When the inclined shaft is buried, two grounding metal pipe bodies 1 and one splicing pipe body 8 are also adopted, and only the splicing pipe body 8 is bent by 120 degrees.

When the slow-release ionic filler is supplemented, the slow-release ionic filler can be supplemented only by drawing the material supplementing pipe 71 out of the upper polar cover 2 and opening the plug 73.

The above-mentioned embodiments, objects, technical solutions and advantages of the present invention are further described in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A slow-release type ion grounding device is characterized in that: the device is provided with a grounding metal tube body, an upper polar cap, a lower polar cap, a connecting wire, a slow-release ion filler, a water-absorbing filler and a material supplementing assembly; the upper pole cover and the lower pole cover are respectively covered at the upper end and the lower end of the grounding metal pipe body; the connecting line is fixedly arranged on the outer surface of the metal pipe body; the grounding metal pipe body comprises a metal inner pipe and a metal outer pipe, and the metal inner pipe is coaxially arranged inside the metal outer pipe; the slow-release ionic filler is filled in the tube cavity of the metal inner tube; the water-absorbing filler is filled in a space between the metal inner pipe and the metal outer pipe; the metal outer pipe and the metal inner pipe are both provided with a drainage hole; the material supplementing assembly comprises a material supplementing pipe, a limiting ring and a plug; the limiting ring is fixedly arranged on the inner wall of the metal inner pipe; the supplemented material pipe is arranged in the limiting ring in a sliding manner; the upper pole cover is provided with a material supplementing opening; the lower end of the material supplementing pipe extends into a pipe cavity of the metal inner pipe, and the upper end of the material supplementing pipe extends out of the metal inner pipe and is clamped on the material supplementing opening; the plug is arranged at the opening part at the upper end of the material supplementing pipe.

2. The slow release type ion grounding device according to claim 1, wherein: the lower pole cover comprises a cavity body with a cavity, and the upper end surface of the cavity body is provided with a first connecting pipe body communicated with the cavity; the first connecting pipe body is fixedly connected with the lower end of the metal inner pipe in a threaded fit manner; and the cavity body is provided with a drainage hole for communicating the cavity with the outside.

3. The slow release type ion grounding device according to claim 2, wherein: the upper pole cover is provided with a second connecting pipe body; and the upper pole cover is fixedly connected with the upper end of the metal inner pipe in a threaded fit manner through the second connecting pipe body.

4. The slow release type ion grounding device according to claim 3, wherein: the device is provided with two grounding metal tube bodies and a splicing tube body; the splicing pipe body comprises a hollow body; the two ends of the hollow body are provided with third connecting pipe bodies which can form thread matching fixed connection with the upper end or the lower end of the metal inner pipe;

5. The slow release type ion grounding device according to claim 4, wherein: the splicing pipe body is in a straight pipe shape or a bent shape.

6. The slow release type ion grounding device according to claim 1, wherein: convex points are formed on two opposite sides of the limiting ring through inward concave; a chute is arranged on the material supplementing pipe along the sliding direction of the material supplementing pipe; the salient points are clamped into the sliding grooves.

7. The slow release type ion grounding device according to claim 1, wherein: a limiting table is arranged at the opening part at the upper end of the material supplementing pipe; and a sinking platform hole for clamping the limiting platform and limiting the limiting platform to move downwards continuously is formed in the feeding opening.