CN203339311U - High-strength temperature-resistant type anticorrosive grounding electrode - Google Patents
High-strength temperature-resistant type anticorrosive grounding electrode Download PDFInfo
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- CN203339311U CN203339311U CN2013204116671U CN201320411667U CN203339311U CN 203339311 U CN203339311 U CN 203339311U CN 2013204116671 U CN2013204116671 U CN 2013204116671U CN 201320411667 U CN201320411667 U CN 201320411667U CN 203339311 U CN203339311 U CN 203339311U
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- adhesive layer
- conductive adhesive
- grounding electrode
- splicing ear
- grounding
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Abstract
The utility model discloses a high-strength temperature-resistant type anticorrosive grounding electrode, which relates to grounding electrodes for lightning rods or electrical equipment, railway equipment, building equipment, petroleum and petrochemical equipment, and the like. The structure of the high-strength temperature-resistant type anticorrosive grounding electrode disclosed by the utility model is as follows: a first connecting terminal (41) and a second connecting terminal (42) are arranged at the both ends of a metal body (10) respectively; a first conductive adhesive layer (21) is arranged on the outer surface of the metal body (10); a conductive carbon fibre layer (30) is arranged on the outer surface of the first conductive adhesive layer (21); and a second conductive adhesive layer (22) is arranged on the outer surface of the conductive carbon fibre layer (30). The high-strength temperature-resistant type anticorrosive grounding electrode disclosed by the utility model is strong in through-current capability, high in ability, low in temperature, strong in anticorrosive performance, simple in structure, simple and convenient to construct, small in floor area, long in service life, and capable of independently building an anticorrosive ground screen, assisting the other existing grounding systems, and enhancing grounding capacity, as well as can be used as a grounding electrode in the departments of electrical power system, railway, communication and the like.
Description
Technical field
The utility model relates to the earth electrode of the equipment such as lightning rod or electric power, railway, building, petroleum and petrochemical industry, relates in particular to a kind of high strength heat-resistance type anti-corrosion earth electrode.
Background technology
Earth electrode is for release lightning current, static, place of working, protection ground, safety and unsymmetrical current etc., but and stable potential, earth electrode is very important for assurance equipment and personnel's etc. safety.The earth electrode that tradition is used mainly contains metallic plate or metal bar, and material has copper alloy or ferroalloy etc.Due to the geographical environment of various places and the difference of soil property, when the corrosivity of soil is stronger, the corrosion aggravation of soil to earth electrode, earth electrode therefore sharply shortens useful life, and causes earth resistance to rise, and brings danger to various device and the person; Earth mat can cause the earth mat temperature rise under unsymmetrical current and short circuit current effect simultaneously; the corrosion of earth electrode or non-heatproof liter can cause the reliability of earth mat thermal stability to reduce; earth electrode in construction, in servicely cause the damaged or fracture of protective layer because of External Force Acting; finally have influence on the safe operation of earth mat, thus the anticorrosive property of earth electrode and temperature tolerance and high strength very important to the operation reliably and with long-term of earth mat.
The utility model content
The purpose of this utility model just is to provide a kind of high strength heat-resistance type anti-corrosion earth electrode, requires this earth electrode simple in structure, has anticorrosion, heatproof, ground connection and good environmental protection.
The technical scheme that the utility model adopts is:
Comprise metallic object, conductive adhesive layer, conductive carbon fibre layer and splicing ear;
The conductive adhesive layer comprises the 1st conductive adhesive layer and the 2nd conductive adhesive layer;
Splicing ear comprises the 1st splicing ear and the 2nd splicing ear;
Be respectively arranged with the 1st splicing ear and the 2nd splicing ear at the two ends of metallic object;
Outer surface at metallic object is provided with the 1st conductive adhesive layer, at the outer surface of the 1st conductive adhesive layer, is provided with the conductive carbon fibre layer, at the outer surface of conductive carbon fibre layer, is provided with the 2nd conductive adhesive layer.
Working mechanism:
Certain some process the utility model in system is connected as metal with the earth.Electric current is introduced in metallic object by down conductor, by conductive adhesive layer and conductive carbon fibre layer soil diffusing towards periphery, plays the effects such as lightning protection, alternating current-direct current working earthing, anti-static grounding and safeguard protection ground connection.
The utlity model has following advantages and good effect:
1. through-current capability is strong, the energy high-and low-temperature resistance, and antiseptic property is strong, in construction and normal in service not fragile, the long-term safety of earth mat is moved reliable guarantee is arranged;
2. simple in structure, easy construction, floor space is little, and long service life can surpass 30 year operating period.
3. can independently build anticorrosion earth mat, also can assist existing other grounding system, strengthen grounded capacity, can be used as the earth electrode of the departments such as electric power system, railway, communication.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure:
10-metallic object;
20-conductive adhesive layer,
The 21-the 1 conductive adhesive layer, the 22-the 2 conductive adhesive layer;
30-conductive carbon fibre layer;
40-splicing ear,
The 41-the 1 splicing ear, the 42-the 2 splicing ear.
Embodiment
Below in conjunction with drawings and Examples, describe in detail:
One, the structure of earth electrode
1, overall
As Fig. 1, the utility model comprises metallic object 10, conductive adhesive layer 20, conductive carbon fibre layer 30 and splicing ear 40;
Conductive adhesive layer 20 comprises the 1st conductive adhesive layer 21 and the 2nd conductive adhesive layer 22;
Splicing ear 40 comprises the 1st splicing ear 41 and the 2nd splicing ear 42;
Be respectively arranged with the 1st splicing ear 41 and the 2nd splicing ear 42 at the two ends of metallic object 10;
Outer surface at metallic object 10 is provided with the 1st conductive adhesive layer 21, at the outer surface of the 1st conductive adhesive layer 21, is provided with conductive carbon fibre layer 30, at the outer surface of conductive carbon fibre layer 30, is provided with the 2nd conductive adhesive layer 22.
2, functional part
1) metallic object 10
Its function is the effect of support, connection and conduction current.
2) the conductive adhesive layer 20
Conductive adhesive layer 20 comprises the 1st conductive adhesive layer 21 and the 2nd conductive adhesive layer 22, and its thickness is 0.1～0.5 millimeter;
By conducting polymer composite flexible, anticorrosion and high-low temperature resistant, made, its resistivity is lower than 0.2 Ω m;
Select market product or buy to Wuhan Ailao High-tech Co.,Ltd.
Its function is that the two is bonded together by metallic object 10 and conductive carbon fibre layer 30, for to the earth conduction current, metallic object 10 is shielded simultaneously.
3) the conductive carbon fibre layer 30
Conductive carbon fibre layer 30 by organic fiber through carbonization and graphitization processing and the micro crystal graphite material obtained make, its axial strength and modulus are high, density is low, higher than performance, without creep, superhigh temperature resistant under non-oxidizing atmosphere, fatigue durability is good, insoluble not swollen in organic solvent, acid, alkali, corrosion resistance is transcendent.
Micro crystal graphite material selection market product or buy to Wuhan Ailao High-tech Co.,Ltd.
4) splicing ear 40
Splicing ear 40 comprises the 1st splicing ear 41 and the 2nd splicing ear 42, is a kind of metallic conductor.By commercially available 304 stainless steels, processed;
Its function is for being connected between earth electrode or between earth electrode and earth mat.
Two, using method
1) by the designing requirement earth excavation, earth electrode can horizontal or vertically be buried underground, and its upper end should not be less than far from ground
0.6 rice and should be below frozen soil layer;
When 2) earth electrode is connected with Connect the Ground Leads into the Line or the horizontal grounding utmost point, adopt welding or bolted mode,
Corrosion-inhibiting coating for junction (as pitch etc.) carries out preservative treatment;
3) with the compaction in layers of low-resistivity backfill soil, fill and lead up.
Three, result of the test
1, impulse current test, impulse voltage test
Checkout facility product outward appearance after the 1KA impulse current test, without bubbling, ftractureing and burn equivalent damage.
Checkout facility product outward appearance after 10A power current and the test of 20A power current, without bubbling, ftractureing and burn equivalent damage.
2, short time withstand current test
| short time withstand current | current effective value A | conduction time S | examination criteria/ |
| specification requirement | |||
| 30 | 2 | q/WAL032-2012 | |
| actual value | 30.26 | 2.0 | trial target is after the short time withstand current test of 30KA/2S, and paint film is complete, nothing is left out and ablation. |
Claims (3)
1. a high strength heat-resistance type anti-corrosion earth electrode is characterized in that:
Comprise metallic object (10), conductive adhesive layer (20), conductive carbon fibre layer (30) and splicing ear (40);
Conductive adhesive layer (20) comprises the 1st conductive adhesive layer (21) and the 2nd conductive adhesive layer (22);
Splicing ear (40) comprises the 1st splicing ear (41) and the 2nd splicing ear (42);
Be respectively arranged with the 1st splicing ear (41) and the 2nd splicing ear (42) at the two ends of metallic object (10);
Outer surface at metallic object (10) is provided with the 1st conductive adhesive layer (21), outer surface at the 1st conductive adhesive layer (21) is provided with conductive carbon fibre layer (30), at the outer surface of conductive carbon fibre layer (30), is provided with the 2nd conductive adhesive layer (22).
2. by a kind of high strength heat-resistance type anti-corrosion earth electrode claimed in claim 1, it is characterized in that:
Described metallic object (10) is steel pipe, rod iron or band steel.
3. by a kind of high strength heat-resistance type anti-corrosion earth electrode claimed in claim 1, it is characterized in that:
Its thickness of described conductive adhesive layer (20) is 0.1～0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204116671U CN203339311U (en) | 2013-07-11 | 2013-07-11 | High-strength temperature-resistant type anticorrosive grounding electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204116671U CN203339311U (en) | 2013-07-11 | 2013-07-11 | High-strength temperature-resistant type anticorrosive grounding electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203339311U true CN203339311U (en) | 2013-12-11 |
Family
ID=49707970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204116671U Expired - Lifetime CN203339311U (en) | 2013-07-11 | 2013-07-11 | High-strength temperature-resistant type anticorrosive grounding electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203339311U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173250A (en) * | 2021-04-08 | 2021-07-27 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | Electrostatic spraying device and unmanned aerial vehicle |
-
2013
- 2013-07-11 CN CN2013204116671U patent/CN203339311U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113173250A (en) * | 2021-04-08 | 2021-07-27 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | Electrostatic spraying device and unmanned aerial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |