CN113948887A

CN113948887A - Multifunctional flexible composite grounding grid suitable for mountain areas and tunnel landforms

Info

Publication number: CN113948887A
Application number: CN202111324584.4A
Authority: CN
Inventors: 郭�东; 陈伟; 房庆海; 舒亚健; 杨先彬; 徐健; 唐晓波
Original assignee: Zhuhai Huaxin Development And Construction Co ltd
Current assignee: Zhuhai Huaxin Development And Construction Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-01-18

Abstract

The invention discloses a multifunctional flexible composite grounding grid suitable for landscapes and tunnels, and relates to the field of grounding grids. The flexible grounding body eliminates the hidden danger of corrosion by wrapping the uniform medium, isolates the acid-base environment and the non-uniform medium by air and oxygen, reduces the corrosion speed to the maximum extent, ensures the operation stability of the grounding net, and increases the service life of the grounding net; the invention has simple construction, but makes up the defect of single function of the original grounding grid in structure, and the high and low frequencies between different areas can be automatically divided without mutual interference, thereby being beneficial to the precise measurement of equipment.

Description

Multifunctional flexible composite grounding grid suitable for mountain areas and tunnel landforms

Technical Field

The invention relates to the field of grounding grids, in particular to a multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms.

Background

In the present day of high-speed development of science and technology, the exploration of clean energy and universe has gradually become the subject of the development of the science and technology, human beings have greatly challenged to the unknown world from the traditional cognition, wind power generation, solar power generation and even the power generation by utilizing space energy gradually enter the visual field of people and gradually replace the traditional thermal power era and the traditional energy power era, and the exploration of gravitational wave and black hole has become the focus of the dispute and exploration of countries in the world. All of these put more than expected demands on conventional grounding. Since implementation of each technology inevitably requires a new type of ground net to provide the necessary guarantees and sufficient support to be able to be implemented. Therefore, the multifunctional grounding grid becomes an indispensable key link for exploring the future and new energy power generation.

The disadvantages of the conventional grounding technique are:

(1) simple function, and is not enough to deal with various complicated operation environments

(2) The short service life does not meet the requirement of long-term use of modern technology

(4) That lack of corrosion results in inadequate stability and difficulty in ensuring ever-increasing plant operating requirements

(4) The capacity of the grounding grid is careless, resulting in surge condition overvoltage frequency.

(5) Automation that is data detectable is difficult to achieve.

Therefore, it is necessary to invent a multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms to solve the above problems.

Disclosure of Invention

The invention aims to provide a multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a multi-functional flexible compound ground net that is fit for mountain area, tunnel landform, includes mixes the layer, the middle part that mixes the layer is filled there is flexible liquid grounding body, the middle part of flexible liquid grounding body is inlayed and is had the metal earthing pole, the tip electricity of metal earthing pole is connected with the frequency divider, the frequency divider is inlayed in the inside of flexible liquid grounding body, the top of mixing the layer is provided with thin soil layer.

Preferably, the cross section of the flexible liquid grounding body is arranged in an inverted equilateral trapezoid structure.

Preferably, the mixed layer is formed by infiltration casting of fine soil and a liquid flexible grounding body.

Preferably, the frequency divider is arranged at a ground net intersection of each segment.

The invention has the technical effects and advantages that:

1. the invention has simpler construction, but makes up the defect of single function of the original grounding grid in structure, and the high and low frequencies between different areas can be automatically divided without mutual interference, thereby being beneficial to the precise measurement of equipment;

2. the flexible grounding body eliminates the hidden danger of corrosion by wrapping the uniform medium, isolates the acid-base environment and the non-uniform medium by air and oxygen, reduces the corrosion speed to the maximum extent, ensures the operation stability of the grounding net, and increases the service life of the grounding net;

3. the flexible grounding body wraps a large amount of soil particles to form a micro-capacitor structure, so that the impact resistance capacity of the grounding network is greatly improved, and a large amount of capacitors are formed for the capacitors instantly when impact occurs, so that overvoltage is inhibited;

4. the expanded application of the grounding grid can set an automatic detection device at the grounding grid terminal to feed back the dynamic change trend of the grounding grid in real time so as to form an automatic detection function, thereby being beneficial to finding the problem of the grounding grid in time and processing the problem in time.

Drawings

Fig. 1 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 2 is a longitudinal sectional view of the overall structure of the present invention.

Fig. 3 is a schematic diagram of the grounding grid structure of the present invention.

In the figure: 1. a mixed layer; 2. a flexible liquid grounding body; 3. a metal ground electrode; 4. a frequency divider; 5. and (5) fine soil layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms, which is shown in figures 1-3 and comprises a mixed layer 1, wherein the mixed layer 1 is formed by infiltration casting of fine soil and a liquid flexible grounding body, the middle part of the mixed layer 1 is filled with the flexible liquid grounding body 2, the model of the flexible liquid grounding body 2 is HD-R10, the wrapping technology of the flexible grounding body 2 is completed, the first is to homogenize a medium, the second is to ensure the water content, thus the contact area under the power frequency state can be furthest enlarged, the grounding resistance can be reduced, the grounding resistance can be kept stable for a long time, the cross section of the flexible liquid grounding body 2 is arranged to be an inverted equilateral trapezoid structure, the compressive strength of the flexible liquid grounding body 2 is improved, the middle part of the flexible liquid grounding body 2 is embedded with a metal grounding electrode 3, the end part of the metal grounding electrode 3 is electrically connected with a frequency divider 4, frequency divider 4 inlays in the inside of flexible liquid grounding body 2, and frequency divider 4 sets up in the earth mat juncture of every segmentation, and the top of mixing layer 1 is provided with thin soil layer 5.

The invention also discloses an installation method of the multifunctional flexible composite grounding grid suitable for mountain areas and tunnel landforms, which comprises the following steps:

the method comprises the following steps: firstly, padding 10cm of fine soil on the bottom of a grounding groove, then digging out an inverted trapezoidal groove in the middle of the upper surface of the fine soil by using a tool, laying a metal grounding electrode 3 in the middle of the trapezoidal groove, and pouring a liquid flexible grounding body 2 in the trapezoidal groove and wrapping the metal grounding electrode 3;

step two: after the flexible grounding body 2 is solidified, fine soil is laid on the surface of the flexible grounding body 2, and then the fine soil is subjected to infiltration casting by using the liquid flexible grounding body 2 to form a mixed layer 1;

step three: then, backfilling a fine soil layer 5 on the upper surface of the mixed layer 1, and covering the mixed layer 1;

step four: and finally, installing a frequency divider 4 at the intersection point of the grounding grid of each segment, so that the frequency divider 4 is communicated with two adjacent metal grounding electrodes 3.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a be fit for multi-functional flexible compound ground net of mountain area, tunnel landform, includes mixed layer (1), its characterized in that: the middle part of mixing layer (1) is filled with flexible liquid grounding body (2), the middle part of flexible liquid grounding body (2) is inlayed and is had metal earthing pole (3), the tip electricity of metal earthing pole (3) is connected with frequency divider (4), frequency divider (4) are inlayed in the inside of flexible liquid grounding body (2), the top of mixing layer (1) is provided with thin soil layer (5).

2. The multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms as claimed in claim 1, wherein: the section of the flexible liquid grounding body (2) is arranged to be an inverted equilateral trapezoid structure.

3. The multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms as claimed in claim 2, wherein: the mixed layer (1) is formed by infiltration casting of fine soil and a liquid flexible grounding body.

4. The multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms as claimed in claim 3, wherein: the frequency divider (4) is arranged at the earth network intersection point of each segment.

5. A mounting method of a multifunctional flexible composite grounding grid suitable for mountainous areas and tunnel landforms is characterized by comprising the following steps:

the method comprises the following steps: firstly, filling 10cm of fine soil on the bottom of a grounding groove, then digging out an inverted trapezoidal groove in the middle of the upper surface of the fine soil by using a tool, laying a metal grounding electrode (3) in the middle of the trapezoidal groove, and pouring a liquid flexible grounding body (2) in the trapezoidal groove and wrapping the metal grounding electrode (3);

step two: after the flexible grounding body (2) is solidified, fine soil is laid on the surface of the flexible grounding body (2), and then the fine soil is subjected to infiltration casting by using the liquid flexible grounding body (2) to form a mixed layer (1);

step three: then, a fine soil layer (5) is backfilled on the upper surface of the mixed layer (1), and the mixed layer (1) is covered;

step four: and finally, installing a frequency divider (4) at the intersection point of the grounding grid of each segment, so that the frequency divider (4) is communicated with two adjacent metal grounding electrodes (3).