CN112332122A - Lightning protection grounding structure and construction method thereof - Google Patents
Lightning protection grounding structure and construction method thereof Download PDFInfo
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- CN112332122A CN112332122A CN202011195484.1A CN202011195484A CN112332122A CN 112332122 A CN112332122 A CN 112332122A CN 202011195484 A CN202011195484 A CN 202011195484A CN 112332122 A CN112332122 A CN 112332122A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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Abstract
The invention relates to a lightning protection grounding structure and a construction method thereof, and belongs to the technical field of power transmission. This lightning grounding structure, including the soil, set up on the soil and bury the recess underground, lightning grounding structure includes: the soil treatment layer covers the bottom of the embedding groove; the first protection layer covers the soil treatment layer and the groove wall of the embedding groove, and the electrode unit is placed on the first protection layer; and a second protective layer covering the electrode unit and burying the electrode unit through the second protective layer. The lightning protection grounding structure can meet the requirements of lightning protection grounding and corrosion resistance, so that the power system is safe and reliable.
Description
Technical Field
The invention belongs to the technical field of power transmission, and particularly relates to a lightning protection grounding structure and a construction method thereof.
Background
The lightning damage of the 110kV and above transmission lines in China mainly occurs in mountainous areas. In recent years, with the change of natural conditions, lightning trip accidents of 110kV lines in China have a remarkable trend of rising, and particularly in high-altitude areas, few-people areas and unmanned areas, great difficulty is brought to line hunting, maintenance, overhaul and the like.
In order to avoid lightning trip accidents, a common method is to set a grounding device for the power system, and maintain the safe and reliable operation of the power system and ensure the safety of equipment and operators through the grounding device.
The traditional grounding device is difficult to fall below the national grid standard requirement, and in addition, China belongs to acid rain zones, and the corrosivity is strong, so that the corrosion of a grounding body is accelerated, and the service life is short.
Disclosure of Invention
The invention provides a lightning protection grounding structure and a construction method thereof for solving the technical problems, which can meet the requirements of lightning protection grounding and corrosion resistance and ensure that an electric power system is safe and reliable.
The technical scheme for solving the technical problems is as follows: the utility model provides a lightning protection grounding structure, includes the soil, set up on the soil and bury the recess underground, lightning protection grounding structure includes:
the soil treatment layer covers the bottom of the embedding groove;
a first protective layer covering the soil treatment layer and the groove wall of the burying groove,
an electrode unit disposed on the first protective layer;
and a second protective layer covering the electrode unit and burying the electrode unit through the second protective layer.
The invention has the beneficial effects that: (1) the soil surface can be treated through the soil treatment layer, moisture can be locked, the electrode unit is prevented from being corroded by the moisture, a first protective layer can be formed through the first protective layer, and the protective layer can be formed to prevent corrosion;
(2) the electrode unit can be tightly wrapped by the second protective layer, so that the contact resistance with soil is reduced, the drainage area is increased, and electricity is effectively released;
(3) the structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the electrode unit includes a current leakage ring for releasing current, a first steel strand, an anti-corrosion steel pipe, a second steel strand and a connector for connecting with an external conductive structure, one end of the first steel strand is fixedly connected with the current leakage ring, the other end of the first steel strand is fixedly connected with one end of the anti-corrosion steel pipe, one end of the second steel strand is fixedly connected with the other end of the anti-corrosion steel pipe, and the other end of the second steel strand is fixedly connected with the connector.
The beneficial effect of adopting the further scheme is that: the anticorrosion steel pipe can realize the anticorrosion, and long service life can release current fast through the electrode unit, prevents the thunderbolt tripping operation condition.
Further, the anti-corrosion steel pipe is a galvanized steel pipe or a copper-plated steel pipe; the connector is a clamp or a galvanized flat iron.
The beneficial effect of adopting the further scheme is that: the anti-corrosion effect is better.
Further, the soil treatment layer is a solution prepared by mixing sodium polyacrylate and water according to the mass ratio of 1: 10-40.
The beneficial effect of adopting the further scheme is that: the water locking performance is better.
Further, the purity of the sodium polyacrylate is more than or equal to 99%.
The beneficial effect of adopting the further scheme is that: the water locking performance is better.
Further, the first protective layer is a solution prepared by mixing trisodium phosphate and water according to the mass ratio of 1: 10-40.
The beneficial effect of adopting the further scheme is that: the formed compact conductive film has higher compactness and higher conductivity.
Further, the purity of the trisodium phosphate is more than or equal to 98 percent.
The beneficial effect of adopting the further scheme is that: the formed compact conductive film has higher compactness and higher conductivity.
Further, the second protective layer is a solution prepared by mixing organic bentonite and water according to the mass ratio of 1: 10-40.
The beneficial effect of adopting the further scheme is that: the effect of improving the conductivity of the soil is better.
Further, the particle size of the organic bentonite is 400 meshes, the PH value is 6-8, and the content of montmorillonite is more than or equal to 90%.
The beneficial effect of adopting the further scheme is that: the effect of improving the conductivity of the soil is better.
The technical scheme for solving the technical problems is as follows: a construction method of a lightning protection grounding structure comprises the following steps:
s1, digging a groove, and flattening the groove bottom and the groove wall of the groove to obtain an embedded groove;
s2, uniformly coating the raw materials of the soil treatment layer on the bottom of the embedded groove, and naturally drying to form the soil treatment layer;
s3, uniformly coating the first protection layer raw material on the soil treatment layer obtained in the step S2, uniformly coating the first protection layer raw material on the wall of the embedded groove, and naturally drying to obtain a first protection layer;
s4, placing an electrode taking unit on the first protective layer;
s5, pouring a second protective layer raw material into the embedding groove, submerging the electrode unit, and naturally drying to obtain a second protective layer;
and S6, taking back the filling covering layer to backfill and flatten the embedding groove.
The construction method has the beneficial effects that: the construction method is simple to operate, facilitates construction, can form the lightning protection grounding structure very conveniently, is good in lightning protection effect, can avoid tripping operation, and is good in anti-corrosion effect and long in service life.
Drawings
FIG. 1 is a schematic structural diagram of a lightning grounding structure according to the present invention;
FIG. 2 is a top view of the lightning protection grounding structure of the present invention;
fig. 3 is a schematic structural view of an electrode unit according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the method comprises the following steps of (1) land 2, a buried groove 3, a soil treatment layer 4, a first protective layer 5, an electrode unit 6, a second protective layer 7, a backfill covering layer 8, a drainage ring 9, a first steel strand 10, an anti-corrosion steel pipe 11, a second steel strand 12 and a connector.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
This embodiment provides a lightning grounding structure, including ground 1, seted up on ground 1 and buried recess 2 underground, lightning grounding structure includes: a soil treatment layer 3, a first protective layer 4, an electrode unit 5 and a second protective layer 6.
The soil treatment layer 3 covers the bottom of the embedded groove 2. The first protective layer 4 is covered on the soil treatment layer 3 and the groove wall of the burying groove 2, and the electrode unit 5 is placed on the first protective layer 4. The second protective layer 6 covers the electrode unit 5, and the electrode unit 5 is buried by the second protective layer 6.
Wherein, the soil treatment layer 3 is pasted at the groove bottom of the embedded groove 2, the first protection layer 4 is pasted at the upper surface of the soil treatment layer 3, and the first protection layer 4 is pasted on the groove wall of the embedded groove 2. The buried groove 2 is entirely covered with the first protective layer 4. The electrode unit 5 is buried by the second protective layer 6, so that the second protective layer 6 protects the electrode unit 5.
The technical scheme of this embodiment can produce following effect, can be to soil surface treatment through soil treatment layer 3, can pin moisture, avoids electrode unit 5 to receive moisture to corrode, can form first layer protection film through first protective layer 4, can form the protective layer, prevents to corrode, can closely wrap up electrode unit 5 through second protective layer 6, reduces the contact resistance with soil, increase earial drainage area to effectual going out electric release. The structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
Preferably, in this embodiment, the electrode unit 5 includes a current-discharging ring 8 for discharging current, a first steel strand 9, an anti-corrosion steel pipe 10, a second steel strand 11, and a connector 12 for connecting with an external conductive structure, one end of the first steel strand 9 is fixedly connected with the current-discharging ring 8, the other end of the first steel strand 9 is fixedly connected with one end of the anti-corrosion steel pipe 10, one end of the second steel strand 11 is fixedly connected with the other end of the anti-corrosion steel pipe 10, and the other end of the second steel strand 11 is fixedly connected with the connector 12.
Wherein the bleeder ring 8 is used to discharge current into the ground 1, achieving grounding. The anti-corrosion steel pipe 10 is used for conducting electricity, the anti-corrosion steel pipe 10 can achieve corrosion prevention, and the service life is long. Wherein, the connector 12 is used for connecting with an external conductive structure, and the external conductive structure is a tower. The current can be quickly released through the electrode unit 5, and the occurrence of a lightning trip condition is prevented.
In the present embodiment, the corrosion-resistant steel pipe 10 is a galvanized steel pipe. The connector 12 is a galvanized flat iron.
In this embodiment, the soil treatment layer 3 is a solution prepared by mixing sodium polyacrylate and water at a mass ratio of 1: 25. The purity of the sodium polyacrylate was 99%.
In this embodiment, the first protective layer 4 is a solution prepared by mixing trisodium phosphate and water in a mass ratio of 1: 15. The purity of trisodium phosphate was 98%. Preparing trisodium phosphate and water into an aqueous solution with the mass fraction of 1%, wherein the pH value of the aqueous solution is 12.1.
In this embodiment, the second protective layer 6 is a solution prepared by mixing organic bentonite and water at a mass ratio of 1: 20. The particle size of the organic bentonite is 400 meshes, the pH value is 6, and the content of the montmorillonite is 90%.
The lightning protection grounding structure has high conductivity and reasonable formula, is rich in active ions, and improves the environment with high soil resistivity. Has excellent corrosion resistance and good corrosion protection for steel and copper. By utilizing the capillary and gel principle, the water-retaining capacity of the soil conditioner is strong, the water in the soil can be absorbed, and the humidity of the surrounding soil can be improved in a dry season. The soil modifier can slowly release ions, when the soil is dry, water and the ions are slowly released to the surrounding soil, the process is carried out very slowly, the situation that the ions improve the soil too fast is avoided, and the resistivity of the soil basically maintains a balance value. The lightning protection grounding structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
The lightning protection grounding structure aims at equipment such as a power transmission line or a base station with high soil resistivity, and the like, and the lightning protection grounding structure can prolong the moisture in the embedded groove 2 by absorbing the moisture, increase the conductivity and reduce the resistivity. The soil treatment layer 3 treats the soil surface into a permeation channel and can lock water. The first protective layer 4 is tightly combined with surrounding soil to form a compact conductive film, so that the contact area is increased, the conductivity is improved, the trisodium phosphate belongs to strong alkali and weak acid salt, and has strong alkalinity, high solubility, stable chemical property and long-term storage. The electrode unit 5 can increase the contact area with the surrounding soil through the second protective layer 6, increase the drainage area, improve the conductivity of the soil, and reduce the resistance of the lightning grounding structure. The electrode unit 5 releases conductive ions into the surrounding soil, improves the conductivity of the soil and reduces the resistance of the lightning protection grounding structure.
Example 2
This embodiment provides a lightning grounding structure, including ground 1, seted up on ground 1 and buried recess 2 underground, lightning grounding structure includes: a soil treatment layer 3, a first protective layer 4, an electrode unit 5 and a second protective layer 6.
The soil treatment layer 3 covers the bottom of the embedded groove 2. The first protective layer 4 is covered on the soil treatment layer 3 and the groove wall of the burying groove 2, and the electrode unit 5 is placed on the first protective layer 4. The second protective layer 6 covers the electrode unit 5, and the electrode unit 5 is buried by the second protective layer 6.
Wherein, the soil treatment layer 3 is pasted at the groove bottom of the embedded groove 2, the first protection layer 4 is pasted at the upper surface of the soil treatment layer 3, and the first protection layer 4 is pasted on the groove wall of the embedded groove 2. The buried groove 2 is entirely covered with the first protective layer 4. The electrode unit 5 is buried by the second protective layer 6, so that the second protective layer 6 protects the electrode unit 5.
The technical scheme of this embodiment can produce following effect, can be to soil surface treatment through soil treatment layer 3, can pin moisture, avoids electrode unit 5 to receive moisture to corrode, can form first layer protection film through first protective layer 4, can form the protective layer, prevents to corrode, can closely wrap up electrode unit 5 through second protective layer 6, reduces the contact resistance with soil, increase earial drainage area to effectual going out electric release. The structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
Preferably, in this embodiment, the electrode unit 5 includes a current-discharging ring 8 for discharging current, a first steel strand 9, an anti-corrosion steel pipe 10, a second steel strand 11, and a connector 12 for connecting with an external conductive structure, one end of the first steel strand 9 is fixedly connected with the current-discharging ring 8, the other end of the first steel strand 9 is fixedly connected with one end of the anti-corrosion steel pipe 10, one end of the second steel strand 11 is fixedly connected with the other end of the anti-corrosion steel pipe 10, and the other end of the second steel strand 11 is fixedly connected with the connector 12.
Wherein the bleeder ring 8 is used to discharge current into the ground 1, achieving grounding. The anti-corrosion steel pipe 10 is used for conducting electricity, the anti-corrosion steel pipe 10 can achieve corrosion prevention, and the service life is long. Wherein, the connector 12 is used for connecting with an external conductive structure, and the external conductive structure is a tower. The current can be quickly released through the electrode unit 5, and the occurrence of a lightning trip condition is prevented.
In this embodiment, the corrosion-resistant steel pipe 10 is a copper-plated steel pipe. The connector 12 is a clip.
In this embodiment, the soil treatment layer 3 is a solution prepared by mixing sodium polyacrylate and water at a mass ratio of 1: 10. The purity of the sodium polyacrylate was 99%.
In this embodiment, the first protective layer 4 is a solution prepared by mixing trisodium phosphate and water in a mass ratio of 1: 20. The purity of trisodium phosphate was 98%. Preparing trisodium phosphate and water into an aqueous solution with the mass fraction of 1%, wherein the pH value of the aqueous solution is 12.1.
In this embodiment, the second protective layer 6 is a solution prepared by mixing organic bentonite and water at a mass ratio of 1: 25. The particle size of the organic bentonite is 400 meshes, the pH value is 8, and the content of the montmorillonite is 92%.
The lightning protection grounding structure has high conductivity and reasonable formula, is rich in active ions, and improves the environment with high soil resistivity. Has excellent corrosion resistance and good corrosion protection for steel and copper. By utilizing the capillary and gel principle, the water-retaining capacity of the soil conditioner is strong, the water in the soil can be absorbed, and the humidity of the surrounding soil can be improved in a dry season. The soil modifier can slowly release ions, when the soil is dry, water and the ions are slowly released to the surrounding soil, the process is carried out very slowly, the situation that the ions improve the soil too fast is avoided, and the resistivity of the soil basically maintains a balance value. The lightning protection grounding structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
The lightning protection grounding structure aims at equipment such as a power transmission line or a base station with high soil resistivity, and the like, and the lightning protection grounding structure can prolong the moisture in the embedded groove 2 by absorbing the moisture, increase the conductivity and reduce the resistivity. The soil treatment layer 3 treats the soil surface into a permeation channel and can lock water. The first protective layer 4 is tightly combined with surrounding soil to form a compact conductive film, so that the contact area is increased, the conductivity is improved, the trisodium phosphate belongs to strong alkali and weak acid salt, and has strong alkalinity, high solubility, stable chemical property and long-term storage. The electrode unit 5 can increase the contact area with the surrounding soil through the second protective layer 6, increase the drainage area, improve the conductivity of the soil, and reduce the resistance of the lightning grounding structure. The electrode unit 5 releases conductive ions into the surrounding soil, improves the conductivity of the soil and reduces the resistance of the lightning protection grounding structure.
Example 3
This embodiment provides a lightning grounding structure, including ground 1, seted up on ground 1 and buried recess 2 underground, lightning grounding structure includes: a soil treatment layer 3, a first protective layer 4, an electrode unit 5 and a second protective layer 6.
The soil treatment layer 3 covers the bottom of the embedded groove 2. The first protective layer 4 is covered on the soil treatment layer 3 and the groove wall of the burying groove 2, and the electrode unit 5 is placed on the first protective layer 4. The second protective layer 6 covers the electrode unit 5, and the electrode unit 5 is buried by the second protective layer 6.
Wherein, the soil treatment layer 3 is pasted at the groove bottom of the embedded groove 2, the first protection layer 4 is pasted at the upper surface of the soil treatment layer 3, and the first protection layer 4 is pasted on the groove wall of the embedded groove 2. The buried groove 2 is entirely covered with the first protective layer 4. The electrode unit 5 is buried by the second protective layer 6, so that the second protective layer 6 protects the electrode unit 5.
The technical scheme of this embodiment can produce following effect, can be to soil surface treatment through soil treatment layer 3, can pin moisture, avoids electrode unit 5 to receive moisture to corrode, can form first layer protection film through first protective layer 4, can form the protective layer, prevents to corrode, can closely wrap up electrode unit 5 through second protective layer 6, reduces the contact resistance with soil, increase earial drainage area to effectual going out electric release. The structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
Preferably, in this embodiment, the electrode unit 5 includes a current-discharging ring 8 for discharging current, a first steel strand 9, an anti-corrosion steel pipe 10, a second steel strand 11, and a connector 12 for connecting with an external conductive structure, one end of the first steel strand 9 is fixedly connected with the current-discharging ring 8, the other end of the first steel strand 9 is fixedly connected with one end of the anti-corrosion steel pipe 10, one end of the second steel strand 11 is fixedly connected with the other end of the anti-corrosion steel pipe 10, and the other end of the second steel strand 11 is fixedly connected with the connector 12.
Wherein the bleeder ring 8 is used to discharge current into the ground 1, achieving grounding. The anti-corrosion steel pipe 10 is used for conducting electricity, the anti-corrosion steel pipe 10 can achieve corrosion prevention, and the service life is long. Wherein, the connector 12 is used for connecting with an external conductive structure, and the external conductive structure is a tower. The current can be quickly released through the electrode unit 5, and the occurrence of a lightning trip condition is prevented.
In the present embodiment, the corrosion-resistant steel pipe 10 is a galvanized steel pipe. The connector 12 is a clip.
In this embodiment, the soil treatment layer 3 is a solution prepared by mixing sodium polyacrylate and water at a mass ratio of 1: 20. The purity of the sodium polyacrylate was 99%.
In this embodiment, the first protective layer 4 is a solution prepared by mixing trisodium phosphate and water in a mass ratio of 1: 10. The purity of trisodium phosphate was 98%. Preparing trisodium phosphate and water into an aqueous solution with the mass fraction of 1%, wherein the pH value of the aqueous solution is 12.1.
In this embodiment, the second protective layer 6 is a solution prepared by mixing organic bentonite and water at a mass ratio of 1: 40. The particle size of the organic bentonite is 400 meshes, the pH value is 7, and the content of the montmorillonite is 90%.
The lightning protection grounding structure has high conductivity and reasonable formula, is rich in active ions, and improves the environment with high soil resistivity. Has excellent corrosion resistance and good corrosion protection for steel and copper. By utilizing the capillary and gel principle, the water-retaining capacity of the soil conditioner is strong, the water in the soil can be absorbed, and the humidity of the surrounding soil can be improved in a dry season. The soil modifier can slowly release ions, when the soil is dry, water and the ions are slowly released to the surrounding soil, the process is carried out very slowly, the situation that the ions improve the soil too fast is avoided, and the resistivity of the soil basically maintains a balance value. The lightning protection grounding structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
The lightning protection grounding structure aims at equipment such as a power transmission line or a base station with high soil resistivity, and the like, and the lightning protection grounding structure can prolong the moisture in the embedded groove 2 by absorbing the moisture, increase the conductivity and reduce the resistivity. The soil treatment layer 3 treats the soil surface into a permeation channel and can lock water. The first protective layer 4 is tightly combined with surrounding soil to form a compact conductive film, so that the contact area is increased, the conductivity is improved, the trisodium phosphate belongs to strong alkali and weak acid salt, and has strong alkalinity, high solubility, stable chemical property and long-term storage. The electrode unit 5 can increase the contact area with the surrounding soil through the second protective layer 6, increase the drainage area, improve the conductivity of the soil, and reduce the resistance of the lightning grounding structure. The electrode unit 5 releases conductive ions into the surrounding soil, improves the conductivity of the soil and reduces the resistance of the lightning protection grounding structure.
Example 4
This embodiment provides a lightning grounding structure, including ground 1, seted up on ground 1 and buried recess 2 underground, lightning grounding structure includes: a soil treatment layer 3, a first protective layer 4, an electrode unit 5 and a second protective layer 6.
The soil treatment layer 3 covers the bottom of the embedded groove 2. The first protective layer 4 is covered on the soil treatment layer 3 and the groove wall of the burying groove 2, and the electrode unit 5 is placed on the first protective layer 4. The second protective layer 6 covers the electrode unit 5, and the electrode unit 5 is buried by the second protective layer 6.
Wherein, the soil treatment layer 3 is pasted at the groove bottom of the embedded groove 2, the first protection layer 4 is pasted at the upper surface of the soil treatment layer 3, and the first protection layer 4 is pasted on the groove wall of the embedded groove 2. The buried groove 2 is entirely covered with the first protective layer 4. The electrode unit 5 is buried by the second protective layer 6, so that the second protective layer 6 protects the electrode unit 5.
The technical scheme of this embodiment can produce following effect, can be to soil surface treatment through soil treatment layer 3, can pin moisture, avoids electrode unit 5 to receive moisture to corrode, can form first layer protection film through first protective layer 4, can form the protective layer, prevents to corrode, can closely wrap up electrode unit 5 through second protective layer 6, reduces the contact resistance with soil, increase earial drainage area to effectual going out electric release. The structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
Preferably, in this embodiment, the electrode unit 5 includes a current-discharging ring 8 for discharging current, a first steel strand 9, an anti-corrosion steel pipe 10, a second steel strand 11, and a connector 12 for connecting with an external conductive structure, one end of the first steel strand 9 is fixedly connected with the current-discharging ring 8, the other end of the first steel strand 9 is fixedly connected with one end of the anti-corrosion steel pipe 10, one end of the second steel strand 11 is fixedly connected with the other end of the anti-corrosion steel pipe 10, and the other end of the second steel strand 11 is fixedly connected with the connector 12.
Wherein the bleeder ring 8 is used to discharge current into the ground 1, achieving grounding. The anti-corrosion steel pipe 10 is used for conducting electricity, the anti-corrosion steel pipe 10 can achieve corrosion prevention, and the service life is long. Wherein, the connector 12 is used for connecting with an external conductive structure, and the external conductive structure is a tower. The current can be quickly released through the electrode unit 5, and the occurrence of a lightning trip condition is prevented.
In this embodiment, the corrosion-resistant steel pipe 10 is a copper-plated steel pipe. The connector 12 is a galvanized flat iron.
In this embodiment, the soil treatment layer 3 is a solution prepared by mixing sodium polyacrylate and water at a mass ratio of 1: 40. The purity of the sodium polyacrylate was 99%.
In this embodiment, the first protective layer 4 is a solution prepared by mixing trisodium phosphate and water in a mass ratio of 1: 25. The purity of trisodium phosphate was 98%. Preparing trisodium phosphate and water into an aqueous solution with the mass fraction of 1%, wherein the pH value of the aqueous solution is 12.1.
In this embodiment, the second protective layer 6 is a solution prepared by mixing organic bentonite and water at a mass ratio of 1: 10. The particle size of the organic bentonite is 400 meshes, the pH value is 6, and the content of the montmorillonite is 93%.
The lightning protection grounding structure has high conductivity and reasonable formula, is rich in active ions, and improves the environment with high soil resistivity. Has excellent corrosion resistance and good corrosion protection for steel and copper. By utilizing the capillary and gel principle, the water-retaining capacity of the soil conditioner is strong, the water in the soil can be absorbed, and the humidity of the surrounding soil can be improved in a dry season. The soil modifier can slowly release ions, when the soil is dry, water and the ions are slowly released to the surrounding soil, the process is carried out very slowly, the situation that the ions improve the soil too fast is avoided, and the resistivity of the soil basically maintains a balance value. The lightning protection grounding structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
The lightning protection grounding structure aims at equipment such as a power transmission line or a base station with high soil resistivity, and the like, and the lightning protection grounding structure can prolong the moisture in the embedded groove 2 by absorbing the moisture, increase the conductivity and reduce the resistivity. The soil treatment layer 3 treats the soil surface into a permeation channel and can lock water. The first protective layer 4 is tightly combined with surrounding soil to form a compact conductive film, so that the contact area is increased, the conductivity is improved, the trisodium phosphate belongs to strong alkali and weak acid salt, and has strong alkalinity, high solubility, stable chemical property and long-term storage. The electrode unit 5 can increase the contact area with the surrounding soil through the second protective layer 6, increase the drainage area, improve the conductivity of the soil, and reduce the resistance of the lightning grounding structure. The electrode unit 5 releases conductive ions into the surrounding soil, improves the conductivity of the soil and reduces the resistance of the lightning protection grounding structure.
Example 5
This embodiment provides a lightning grounding structure, including ground 1, seted up on ground 1 and buried recess 2 underground, lightning grounding structure includes: a soil treatment layer 3, a first protective layer 4, an electrode unit 5 and a second protective layer 6.
The soil treatment layer 3 covers the bottom of the embedded groove 2. The first protective layer 4 is covered on the soil treatment layer 3 and the groove wall of the burying groove 2, and the electrode unit 5 is placed on the first protective layer 4. The second protective layer 6 covers the electrode unit 5, and the electrode unit 5 is buried by the second protective layer 6.
Wherein, the soil treatment layer 3 is pasted at the groove bottom of the embedded groove 2, the first protection layer 4 is pasted at the upper surface of the soil treatment layer 3, and the first protection layer 4 is pasted on the groove wall of the embedded groove 2. The buried groove 2 is entirely covered with the first protective layer 4. The electrode unit 5 is buried by the second protective layer 6, so that the second protective layer 6 protects the electrode unit 5.
The technical scheme of this embodiment can produce following effect, can be to soil surface treatment through soil treatment layer 3, can pin moisture, avoids electrode unit 5 to receive moisture to corrode, can form first layer protection film through first protective layer 4, can form the protective layer, prevents to corrode, can closely wrap up electrode unit 5 through second protective layer 6, reduces the contact resistance with soil, increase earial drainage area to effectual going out electric release. The structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
Preferably, in this embodiment, the electrode unit 5 includes a current-discharging ring 8 for discharging current, a first steel strand 9, an anti-corrosion steel pipe 10, a second steel strand 11, and a connector 12 for connecting with an external conductive structure, one end of the first steel strand 9 is fixedly connected with the current-discharging ring 8, the other end of the first steel strand 9 is fixedly connected with one end of the anti-corrosion steel pipe 10, one end of the second steel strand 11 is fixedly connected with the other end of the anti-corrosion steel pipe 10, and the other end of the second steel strand 11 is fixedly connected with the connector 12.
Wherein the bleeder ring 8 is used to discharge current into the ground 1, achieving grounding. The anti-corrosion steel pipe 10 is used for conducting electricity, the anti-corrosion steel pipe 10 can achieve corrosion prevention, and the service life is long. Wherein, the connector 12 is used for connecting with an external conductive structure, and the external conductive structure is a tower. The current can be quickly released through the electrode unit 5, and the occurrence of a lightning trip condition is prevented.
In this embodiment, the corrosion-resistant steel pipe 10 is a galvanized steel pipe or a copper-plated steel pipe. The connector 12 is a clip or a galvanized flat iron.
In this embodiment, the soil treatment layer 3 is a solution prepared by mixing sodium polyacrylate and water at a mass ratio of 1: 40. The purity of the sodium polyacrylate was 99%.
In this embodiment, the first protective layer 4 is a solution prepared by mixing trisodium phosphate and water in a mass ratio of 1: 15. The purity of trisodium phosphate was 98%. Preparing trisodium phosphate and water into an aqueous solution with the mass fraction of 1%, wherein the pH value of the aqueous solution is 12.1.
In this embodiment, the second protective layer 6 is a solution prepared by mixing organic bentonite and water at a mass ratio of 1: 25. The particle size of the organic bentonite is 400 meshes, the pH value is 7, and the content of the montmorillonite is 90%.
The lightning protection grounding structure has high conductivity and reasonable formula, is rich in active ions, and improves the environment with high soil resistivity. Has excellent corrosion resistance and good corrosion protection for steel and copper. By utilizing the capillary and gel principle, the water-retaining capacity of the soil conditioner is strong, the water in the soil can be absorbed, and the humidity of the surrounding soil can be improved in a dry season. The soil modifier can slowly release ions, when the soil is dry, water and the ions are slowly released to the surrounding soil, the process is carried out very slowly, the situation that the ions improve the soil too fast is avoided, and the resistivity of the soil basically maintains a balance value. The lightning protection grounding structure does not contain organic matters, mercury, chromium and other heavy metals, has no influence on water resources and vegetation, and is safe and environment-friendly.
The lightning protection grounding structure aims at equipment such as a power transmission line or a base station with high soil resistivity, and the like, and the lightning protection grounding structure can prolong the moisture in the embedded groove 2 by absorbing the moisture, increase the conductivity and reduce the resistivity. The soil treatment layer 3 treats the soil surface into a permeation channel and can lock water. The first protective layer 4 is tightly combined with surrounding soil to form a compact conductive film, so that the contact area is increased, the conductivity is improved, the trisodium phosphate belongs to strong alkali and weak acid salt, and has strong alkalinity, high solubility, stable chemical property and long-term storage. The electrode unit 5 can increase the contact area with the surrounding soil through the second protective layer 6, increase the drainage area, improve the conductivity of the soil, and reduce the resistance of the lightning grounding structure. The electrode unit 5 releases conductive ions into the surrounding soil, improves the conductivity of the soil and reduces the resistance of the lightning protection grounding structure.
Example 6
The embodiment provides a construction method of a lightning protection grounding structure, which comprises the following steps:
s1, digging a groove, and flattening the groove bottom and the groove wall of the groove to obtain an embedded groove 2;
s2, uniformly coating the raw materials of the soil treatment layer 3 on the bottom of the embedded groove 2, and naturally drying to form the soil treatment layer 3;
s3, uniformly coating the raw material of the first protection layer 4 on the soil treatment layer 3 obtained in the step S2, uniformly coating the raw material of the first protection layer on the wall of the groove 2 for embedding, and naturally drying to obtain the first protection layer 4;
s4, placing the electrode taking unit 5 on the first protective layer 4;
s5, pouring the raw material of the second protective layer 6 into the embedding groove 2, submerging the electrode unit 5, and naturally drying to obtain the second protective layer 6;
s6, the embedding groove 2 is backfilled to be flat by taking back the filling covering layer 7.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
It is to be noted that "comprising" in the present invention means that it may include other components in addition to the components described, and the "comprising" may be replaced with "being" or "consisting of … …" in a closed manner.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a lightning protection grounding structure, includes ground (1), set up on ground (1) and bury recess (2) underground, its characterized in that, lightning protection grounding structure includes:
the soil treatment layer (3) covers the bottom of the embedding groove (2);
a first protective layer (4), wherein the first protective layer (4) covers the soil treatment layer (3) and the groove wall of the embedding groove (2),
an electrode unit (5), said electrode unit (5) being placed on said first protective layer (4);
and a second protective layer (6), wherein the second protective layer (6) covers the electrode unit (5), and the electrode unit (5) is embedded by the second protective layer (6).
2. The lightning protection grounding structure according to claim 1, wherein the electrode unit (5) comprises a current leakage ring (8) for releasing current, a first steel strand (9), an anti-corrosion steel pipe (10), a second steel strand (11) and a connector (12) for connecting with an external conductive structure, one end of the first steel strand (9) is fixedly connected with the current leakage ring (8), the other end of the first steel strand (9) is fixedly connected with one end of the anti-corrosion steel pipe (10), one end of the second steel strand (11) is fixedly connected with the other end of the anti-corrosion steel pipe (10), and the other end of the second steel strand (11) is fixedly connected with the connector (12).
3. The lightning protection grounding structure according to claim 2, characterized in that the corrosion protection steel pipe (10) is a galvanized steel pipe or a copper-plated steel pipe; the connector (12) is a clamp or a galvanized flat iron.
4. The lightning protection grounding structure according to claim 1 wherein the soil treatment layer (3) is a solution prepared by mixing sodium polyacrylate and water in a mass ratio of 1: 10-40.
5. The lightning protection grounding structure of claim 4 wherein the purity of the sodium polyacrylate is greater than or equal to 99%.
6. The lightning protection grounding structure according to claim 1 wherein the first protective layer (4) is a solution of trisodium phosphate and water mixed in a mass ratio of 1: 10-40.
7. The lightning protection grounding structure of claim 6 wherein the purity of the trisodium phosphate is greater than or equal to 98%.
8. The lightning protection grounding structure according to any one of claims 1 to 7 wherein the second protective layer (6) is a solution prepared by mixing organic bentonite and water in a mass ratio of 1: 10-40.
9. The lightning protection grounding structure of claim 8, wherein the organic bentonite has a particle size of 400 meshes, a pH value of 6-8, and a montmorillonite content of not less than 90%.
10. A construction method of a lightning protection grounding structure is characterized by comprising the following steps:
s1, digging a groove, and flattening the groove bottom and the groove wall of the groove to obtain an embedded groove (2);
s2, uniformly coating the raw materials of the soil treatment layer (3) on the bottom of the embedded groove (2), and naturally drying to form the soil treatment layer (3);
s3, uniformly coating the raw material of the first protection layer (4) on the soil treatment layer (3) obtained in the step S2, uniformly coating the raw material on the wall of the embedding groove (2), and naturally drying to obtain the first protection layer (4);
s4, placing an electrode taking unit (5) on the first protective layer (4);
s5, pouring a raw material of a second protective layer (6) into the embedding groove (2), submerging the electrode unit (5), and naturally drying to obtain the second protective layer (6);
and S6, taking back the filling covering layer (7) to backfill and flatten the embedding groove (2).
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100224385A1 (en) * | 2009-03-03 | 2010-09-09 | Musco Corporation | Apparatus, method, and system for grounding support structures using an integrated grounding electrode |
| CN102142295A (en) * | 2010-02-03 | 2011-08-03 | 高欣宝 | Preparation method of high-water-retaining property bentonite resistance reducing agent |
| CN202076426U (en) * | 2011-06-28 | 2011-12-14 | 内蒙古电力勘测设计院 | Grounding device of tower |
| CN202395168U (en) * | 2012-01-04 | 2012-08-22 | 成都市精电化工厂 | Grounding device |
| CN102856671A (en) * | 2012-04-25 | 2013-01-02 | 辽宁省电力有限公司丹东供电公司 | Environment-friendly leak-proof moisturizing grounding device and construction method |
| CN204361290U (en) * | 2014-12-31 | 2015-05-27 | 成都云通泰和科技有限公司 | Shaft tower long-acting special ion grounding device |
| CN105958225A (en) * | 2016-06-22 | 2016-09-21 | 国网辽宁省电力有限公司电力科学研究院 | Environment-friendly long-acting electrolytic ion grounding electrode and construction method thereof |
| CN207250736U (en) * | 2017-10-10 | 2018-04-17 | 武汉昱仝科技有限公司 | A kind of moisturizing earthing module that catchments suitable for arid area |
| CN211556167U (en) * | 2020-03-27 | 2020-09-22 | 国网湖南省电力有限公司 | Earthing device suitable for rock area |
-
2020
- 2020-10-30 CN CN202011195484.1A patent/CN112332122A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100224385A1 (en) * | 2009-03-03 | 2010-09-09 | Musco Corporation | Apparatus, method, and system for grounding support structures using an integrated grounding electrode |
| CN102142295A (en) * | 2010-02-03 | 2011-08-03 | 高欣宝 | Preparation method of high-water-retaining property bentonite resistance reducing agent |
| CN202076426U (en) * | 2011-06-28 | 2011-12-14 | 内蒙古电力勘测设计院 | Grounding device of tower |
| CN202395168U (en) * | 2012-01-04 | 2012-08-22 | 成都市精电化工厂 | Grounding device |
| CN102856671A (en) * | 2012-04-25 | 2013-01-02 | 辽宁省电力有限公司丹东供电公司 | Environment-friendly leak-proof moisturizing grounding device and construction method |
| CN204361290U (en) * | 2014-12-31 | 2015-05-27 | 成都云通泰和科技有限公司 | Shaft tower long-acting special ion grounding device |
| CN105958225A (en) * | 2016-06-22 | 2016-09-21 | 国网辽宁省电力有限公司电力科学研究院 | Environment-friendly long-acting electrolytic ion grounding electrode and construction method thereof |
| CN207250736U (en) * | 2017-10-10 | 2018-04-17 | 武汉昱仝科技有限公司 | A kind of moisturizing earthing module that catchments suitable for arid area |
| CN211556167U (en) * | 2020-03-27 | 2020-09-22 | 国网湖南省电力有限公司 | Earthing device suitable for rock area |
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