Slow-release resistance-reducing grounding device

Abstract

The utility model relates to the technical field of electric power grounding, in particular to a slow-release resistance-reducing grounding device, which comprises a main body, a resistance-reducing agent is contained in the main body, the lower end of the main body is inserted into the ground, the main body reduces the resistivity of soil through the resistance-reducing agent, and a plurality of main bodies are connected through grounding wires; the main body comprises shells, the shells are connected through grounding wires, the lower ends of the shells are inserted into the ground, a liquid storage bottle is installed at the top end of each shell, a vent hole is formed in one side of the top end of each liquid storage bottle, a cavity is formed in each shell, a plurality of rows of drill holes are formed in the outer side of each shell, a permeable membrane is installed between each drill hole and the corresponding shell, and the permeable membranes are communicated with the liquid storage bottles. The liquid storage bottle and the cavity are filled with a resistance reducing agent, the resistance reducing agent permeates through the permeable membrane, and the resistance reducing agent is transmitted to the soil through the drill hole. According to the slow-release resistance-reducing grounding device provided by the utility model, the grounding device is simple in structure, the grounding resistance is reduced, the construction process is simplified, the cost is saved, and consumables are less.

Description

TECHNICAL FIELD

[0001] The utility model relates to power grounding technical field especially relates to a slow -release resistance grounding device. BACKGROUND

[0002] At present, the oil and gas exploitation cost of oilfield peripheral oil production plant increases year by year, and the stable production difficulty increases, the yield of old block decreases year by year, and the oil layer of new block is thin, not suitable for mass production. In view of this situation, generally speaking, the oilfield will adopt a large number of oil production single well, and one transformer is used for power supply, and it is generally required to ensure that the grounding resistance of the transformer is not greater than 10 Ω. When the single well is located in saline-alkali land, sandy stone geology or winter frozen soil period, due to the influence of factors such as high soil resistivity and low water content, the grounding resistance is often too large, which affects the function of grounding body. When laying grounding electrode, it is difficult to reach the specified value of grounding resistance, and when the transformer is struck by lightning, the strong lightning current is not easy to quickly discharge to the ground, which will damage the electrical equipment. Thus, the oil production single well is stopped, and the oil well yield is affected. Therefore, in view of the above shortcomings, a slow-release resistance grounding device is provided. SUMMARY

[0003] The utility model aims at providing a slow-release resistance grounding device to overcome the defects that the transformer is burned down when lightning strikes due to the influence of factors such as high soil resistivity and low water content, which leads to large grounding resistance.

[0004] In order to achieve the above purpose, the utility model provides a slow-release resistance grounding device, which comprises:

[0005] The main body is internally filled with resistance reducing agent, the lower end of the main body is inserted into the ground, the main body reduces the soil resistivity through the resistance reducing agent, and a plurality of main bodies are connected through grounding wires.

[0006] The main body comprises a shell, a plurality of shells are connected through grounding wires, the lower end of the shell is inserted into the ground, the top end of the shell is provided with a liquid storage bottle, one side of the top end of the liquid storage bottle is provided with a vent hole, the inside of the shell is a cavity, the outside of the shell is provided with a plurality of rows of drill holes, a permeable membrane is arranged between the drill hole and the shell, the inside of the liquid storage bottle and the cavity is filled with resistance reducing agent, the resistance reducing agent penetrates through the permeable membrane, and the resistance reducing agent is transmitted to the soil through the drill hole.

[0007] Preferably, the shell comprises a cylindrical structure and a conical structure, the bottom end of the cylindrical structure is the conical structure, the cylindrical structure and the conical structure are integrally connected, the inside of the cylindrical structure is provided with a cylindrical cavity, the inside of the conical structure is provided with a conical cavity, the cylindrical cavity and the conical cavity are communicated, the cavity comprises the cylindrical cavity and the conical cavity, and the bottom surface diameter of the cylindrical structure is adapted to the bottom surface diameter of the conical structure.

[0008] Preferably, the cylindrical structure comprises two sections, i.e. a first section cylindrical structure and a second section cylindrical structure, the bottom end of the first section cylindrical structure is the second section cylindrical structure, the first section cylindrical structure and the second section cylindrical structure are integrally connected, the bottom surface diameter of the first section cylindrical structure is adapted to the bottom surface diameter of the second section cylindrical structure, the bottom end of the second section cylindrical structure is the conical structure, and the bottom surface diameter of the second section cylindrical structure is adapted to the bottom surface diameter of the conical structure.

[0009] Preferably, the top end of the first section cylindrical structure is provided with a liquid storage bottle, the upper end of the first section cylindrical structure is a connecting piece, the inside of the first section cylindrical structure is provided with a first section cylindrical cavity, the inside of the second section cylindrical structure is provided with a second section cylindrical cavity, the first section cylindrical cavity and the second section cylindrical cavity are communicated, the cylindrical cavity comprises the first section cylindrical cavity and the second section cylindrical cavity, the outside of the second section cylindrical structure is provided with a plurality of rows of drill holes, and the second section cylindrical structure and the conical structure are inserted into the ground.

[0010] Preferably, the connecting piece and the first section cylindrical structure are integrally connected, the connecting piece penetrates through a grounding wire, and the connecting piece is connected with another connecting piece through the grounding wire.

[0011] Preferably, the number of rows of drill holes is at least 4, the distance between two adjacent rows of drill holes is equal, and the number of drill holes in each row is at least 6, and the distance between two adjacent drill holes in each row is equal.

[0012] Preferably, the drill holes are circular, the diameters of two adjacent rows of drill holes are equal, and the diameters of two adjacent drill holes in each row are equal.

[0013] Preferably, the other side of the top end of the liquid storage bottle is provided with a liquid inlet, and the liquid storage bottle is supplemented with a resistance reducing agent through the liquid inlet.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] The slow-release resistance reduction grounding device has simple structure, the upper end of the liquid storage bottle is provided with a vent hole, the liquid storage bottle is connected with the shell, resistance reducing agents are filled between the liquid storage bottle and the shell, a plurality of rows of drill holes are arranged on the outer surface of the shell, the drill holes are arranged in an array, a permeable membrane is arranged between the drill holes and the shell, when the grounding device is buried underground, the resistance reducing agents penetrate into the soil in a way of percolation through the permeable membrane from the drill holes, and are dispersed to the surrounding soil, so that the resistivity of the surrounding soil is improved, and the purpose of reducing the grounding resistance is achieved, the construction process of the grounding device is simplified, the cost is saved, and the consumption of materials is less. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a structural schematic view of the slow-release resistance reduction grounding device according to the present application.

[0017] Legend:

[0018] 1, liquid storage bottle; 2, resistance reducing agent; 3, vent hole; 4, connecting piece; 5, permeable membrane; 6, drill hole; 7, shell. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Fig. 1 is a structural schematic view of the slow-release resistance reduction grounding device according to the present application. As shown in Fig. 1, the slow-release resistance reduction grounding device according to the present application comprises:

[0021] a main body, the inside of the main body is filled with resistance reducing agents 2, the lower end of the main body is inserted into the ground, the main body reduces the resistivity of the soil through the resistance reducing agents 2, and a plurality of the main bodies are connected through grounding wires;

[0022] The main body comprises a shell 7, a plurality of the shells 7 are connected through grounding wires, the lower end of the shell 7 is inserted into the ground, the top end of the shell 7 is provided with a liquid storage bottle 1, one side of the top end of the liquid storage bottle 1 is provided with a vent hole 3, the inside of the shell 7 is a cavity, the outside of the shell 7 is provided with a plurality of rows of drill holes 6, a permeable membrane 5 is arranged between the drill holes 6 and the shell 7, the inside of the liquid storage bottle 1 and the cavity are both filled with resistance reducing agents 2, the resistance reducing agents 2 penetrate through the permeable membrane 5, and the resistance reducing agents 2 are transmitted to the soil through the drill holes 6.

[0023] The shell 7 comprises a cylindrical structure and a conical structure, the bottom end of the cylindrical structure is the conical structure, the cylindrical structure and the conical structure are integrally connected, the inside of the cylindrical structure is provided with a cylindrical cavity, the inside of the conical structure is provided with a conical cavity, the cylindrical cavity and the conical cavity are communicated, the cavity comprises the cylindrical cavity and the conical cavity, and the bottom surface diameter of the cylindrical structure is adapted to the bottom surface diameter of the conical structure.

[0024] In actual application, the cylindrical structure comprises two sections, namely a first section cylindrical structure and a second section cylindrical structure, the bottom end of the first section cylindrical structure is the second section cylindrical structure, the first section cylindrical structure and the second section cylindrical structure are integrally connected, the bottom surface diameter of the first section cylindrical structure is adapted to the bottom surface diameter of the second section cylindrical structure, the bottom end of the second section cylindrical structure is the conical structure, and the bottom surface diameter of the second section cylindrical structure is adapted to the bottom surface diameter of the conical structure.

[0025] In the grounding device, the top end of the first section cylindrical structure is provided with the liquid storage bottle 1, the upper end of the first section cylindrical structure is provided with the connecting piece 4, the inside of the first section cylindrical structure is provided with a first section cylindrical cavity, the inside of the second section cylindrical structure is provided with a second section cylindrical cavity, the first section cylindrical cavity and the second section cylindrical cavity are communicated, the cylindrical cavity comprises the first section cylindrical cavity and the second section cylindrical cavity, the outside of the second section cylindrical structure is provided with a plurality of rows of drill holes, and the second section cylindrical structure and the conical structure are inserted into the ground.

[0026] It should be noted that the connecting piece 4 and the first section cylindrical structure are integrally connected, the connecting piece 4 penetrates the grounding wire, and the connecting piece 4 is connected with another connecting piece 4 through the grounding wire.

[0027] In actual application, the number of rows of the drill holes 6 is at least 4, the distance between two adjacent rows of the drill holes 6 is equal, and the number of the drill holes 6 in each row is at least 6, and the distance between two adjacent drill holes 6 in each row is equal.

[0028] It should be noted that the other side of the top end of the liquid storage bottle 1 is provided with a liquid inlet, and the liquid storage bottle 1 is supplemented with the resistance reducing agent 2 through the liquid inlet. In addition, the height of the shell 7 is between 1.3m and 1.6m, and the vent hole 3 is circular or square.

[0029] The utility model provides a kind of slow-release resistance reduction grounding device, and the grounding device structure is simple, effectively realizes the purpose of reducing grounding resistance, simplifies the construction procedure of grounding device, saves cost, and less material consumption is needed.

[0030] In this embodiment, the shell 7 includes a cylindrical structure and a conical structure, the bottom end of the cylindrical structure is a conical structure, and the cylindrical structure and the conical structure are integrally connected, wherein the cylindrical structure includes two sections, namely a first section cylindrical structure and a second section cylindrical structure, the bottom end of the first section cylindrical structure is the second section cylindrical structure, and the first section cylindrical structure and the second section cylindrical structure are integrally connected, the bottom end of the second section cylindrical structure is the conical structure, the upper end of the first section cylindrical structure is the connecting piece 4, multiple shells 7 are connected through the connecting piece 4, adjacent connecting pieces 4 are connected through grounding wires, the inside of the first section cylindrical structure is provided with a first section cylindrical cavity, the inside of the second section cylindrical structure is provided with a second section cylindrical cavity, the first section cylindrical cavity and the second section cylindrical cavity are communicated, the first section cylindrical cavity and the second section cylindrical cavity constitute a cylindrical cavity, the cylindrical cavity and the conical cavity constitute a cavity, the outside of the second section cylindrical structure is provided with 4 rows of drill holes 6, the second section cylindrical structure and the conical structure are inserted into the ground, the top end of the first section cylindrical structure is provided with a liquid storage bottle 1, one side of the top end of the liquid storage bottle 1 is provided with a vent hole 3, and the inside of the liquid storage bottle 1 and the cavity are both filled with a resistance reducing agent 2.

[0031] In actual application, the liquid storage bottle 1 is a transparent plastic bottle, both sides of the top end of the liquid storage bottle 1 are respectively provided with a vent hole 3 and a liquid inlet, the vent hole 3 is circular, the liquid inlet is also circular, the liquid inlet is provided with a matched cover body, the diameter of the liquid inlet and the diameter of the cover body are adapted to each other, when the capacity of the resistance reducing agent 2 is sufficient for application, the liquid inlet is buckled through the cover body, when the capacity of the resistance reducing agent 2 is insufficient, the cover body is opened, and the liquid storage bottle 1 supplements the resistance reducing agent 2 through the liquid inlet. In addition, the material of the shell 7 is stainless steel, the height of the shell 7 is 1.6 m, the shell 7 is arranged around the drill holes 6, the number of drill holes 6 in each row is 6, and the total number of drill holes 6 is 24. The drill holes 6 are circular.

[0032] It should be noted that when the embodiment is buried in the ground, the resistance reducing agent 2 penetrates out of the shell 7 through the permeable membrane 5, the resistance reducing agent 2 is transmitted to the soil through the drill holes 6, the resistance reducing agent 2 can reduce the resistivity of the soil, the resistance reducing agent 2 is a common product on the market, and the purpose of the resistance reducing agent 2 is to reduce the resistivity. The formula of the resistance reducing agent 2 and other related information are not limited in this embodiment.

[0033] In practical application, the embodiment can replace traditional grounding materials such as galvanized angle steel, galvanized flat steel, galvanized steel pipe and the like. The grounding rod resistance reduction calculation formula, the dry state resistivity of the resistance reduction agent 2 is 5 Ω.m, when the soil resistivity is below 200 Ω.m, using one embodiment, the soil resistivity near the grounding electrode can be reduced to about 25 Ω.m, that is, the grounding resistance is reduced to 9.57 Ω; when the soil resistivity is above 200 Ω.m, increasing one embodiment, the soil resistivity near the grounding electrode can be reduced to about 10 Ω.m, that is, the grounding resistance is reduced to 3.83 Ω.

[0034] The slow-release resistance reduction grounding device has simple structure, the vent hole is arranged at the upper end of the liquid storage bottle, the liquid storage bottle is connected with the shell, the resistance reduction agent is filled between the liquid storage bottle and the shell, a plurality of rows of drill holes are arranged on the outer surface of the shell, the drill holes are arranged in an array, and a permeation membrane is arranged between the drill holes and the shell. After the grounding device is buried underground, the resistance reduction agent penetrates into the soil in a slow and steady manner through the permeation membrane and is dispersed to the surrounding soil, so that the resistivity of the surrounding soil is improved, the purpose of reducing the grounding resistance is achieved, the construction process of the grounding device is simplified, the cost is saved, and the consumption of materials is reduced.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A slow-release resistance-reducing ground-engaging device, characterized in that, The utility model relates to a soil resistance reducing device, including: The main body is inserted into the ground, and the main body reduces the soil resistivity through the resistance reducing agent (2), and a plurality of the main bodies are connected through grounding wires; The main body includes a shell (7), a plurality of the shell (7) are connected through grounding wires, the lower end of the shell (7) is inserted into the ground, the top end of the shell (7) is provided with a liquid storage bottle (1), one side of the top end of the liquid storage bottle (1) is provided with a vent hole (3), the inside of the shell (7) is a cavity, the outside of the shell (7) is provided with a plurality of rows of drill holes (6), a permeable membrane (5) is arranged between the drill hole (6) and the shell (7), the inside of the liquid storage bottle (1) and the cavity is filled with the resistance reducing agent (2), the resistance reducing agent (2) penetrates through the permeable membrane (5), and the resistance reducing agent (2) is transmitted to the soil through the drill hole (6).

2. The sustained release resistance-reducing ground engagement device of claim 1, wherein, The shell (7) includes a cylindrical structure and a conical structure, the bottom end of the cylindrical structure is a conical structure, the cylindrical structure and the conical structure are integrally connected, the inside of the cylindrical structure is provided with a cylindrical cavity, the inside of the conical structure is provided with a conical cavity, the cylindrical cavity and the conical cavity are communicated, the cavity includes the cylindrical cavity and the conical cavity, and the bottom surface diameter of the cylindrical structure is adapted to the bottom surface diameter of the conical structure.

3. The sustained release resistance-reducing ground engagement device of claim 2, wherein, The cylindrical structure includes two sections, i.e. a first section cylindrical structure and a second section cylindrical structure, the bottom end of the first section cylindrical structure is the second section cylindrical structure, the first section cylindrical structure and the second section cylindrical structure are integrally connected, the bottom surface diameter of the first section cylindrical structure is adapted to the bottom surface diameter of the second section cylindrical structure, the bottom end of the second section cylindrical structure is the conical structure, and the bottom surface diameter of the second section cylindrical structure is adapted to the bottom surface diameter of the conical structure.

4. The sustained release resistance-reducing ground engagement device of claim 3, wherein, The top end of the first section cylindrical structure is provided with a liquid storage bottle (1), the upper end of the first section cylindrical structure is a connecting sheet (4), the inside of the first section cylindrical structure is provided with a first section cylindrical cavity, the inside of the second section cylindrical structure is provided with a second section cylindrical cavity, the first section cylindrical cavity and the second section cylindrical cavity are communicated, the cylindrical cavity includes the first section cylindrical cavity and the second section cylindrical cavity, the outside of the second section cylindrical structure is provided with a plurality of rows of drill holes (6), and the second section cylindrical structure and the conical structure are inserted into the ground.

5. The sustained release resistance-reducing ground engagement device of claim 4, wherein, The connecting sheet (4) and the first section cylindrical structure are integrally connected, the connecting sheet (4) penetrates through a grounding wire, and the connecting sheet (4) is connected with another connecting sheet (4) through the grounding wire.

6. The sustained release resistance-reducing ground engagement device of claim 1, wherein, The number of rows of the drill hole (6) is at least four, the distance between two adjacent rows of drill holes (6) is equal, and the number of drill holes (6) in each row is at least six, and the distance between two adjacent drill holes (6) in each row is equal.

7. The sustained release resistance-reducing ground engagement device of claim 6, wherein, The drill hole (6) is circular, the diameters of two adjacent rows of drill holes (6) are equal, and the diameters of two adjacent drill holes (6) in each row are equal.

8. The sustained release resistance-reducing ground engagement device of claim 1, wherein, The other side of the top end of the liquid storage bottle (1) is provided with a liquid inlet, and the liquid storage bottle (1) is supplemented with the resistance reducing agent (2) through the liquid inlet.

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