CN105390829A - Artificial earthing device and artificial earthing network made of artificial earthing device - Google Patents
Artificial earthing device and artificial earthing network made of artificial earthing device Download PDFInfo
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- CN105390829A CN105390829A CN201510944850.1A CN201510944850A CN105390829A CN 105390829 A CN105390829 A CN 105390829A CN 201510944850 A CN201510944850 A CN 201510944850A CN 105390829 A CN105390829 A CN 105390829A
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- earthing device
- artificial
- artificial earthing
- zinc
- red copper
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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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Abstract
The invention relates to an artificial earthing device and an artificial earthing network made of the artificial earthing device. The device comprises a core conductive framework, resistance reducing matters and a shell from the inside out; the core conductive framework is orderly composed of a red copper conducting bar, an aluminum conducting bar and a galvanized flat steel plate bracket in electrical connection from top to bottom; the red copper conducting bar is used for connecting other earthing devices or electrical equipment or electrical systems needed to be earthed; and resistance reducing matters are arranged between the core conductive framework and the shell. The device is very convenient in use, and ditching is not needed and the device can be directly installed at the place nearest to the electrical equipment, fixed or hung in mid-air, or stacked on a ground surface and the environmental restriction is small. Each single artificial earthing device can be connected in series or in parallel to form the earthing network, so that the earthing requirements of different capacities can be satisfied.
Description
Technical field
The present invention relates to earthing device, be specifically related to a kind of artificial ground networks.
Background technology
Ground connection is the indispensable a kind of safe practice of electrical system, electric equipment and means.Very high to the degree of dependence of environment, reality, the actual environment being difficult to meet grounding requirement can only be objective reality over a long time with potential safety hazard.Existing earthing device is that to dig 50cm on ground wide, and 80cm is dark, the trench of corresponding length, forms ground networks ring, line states, then installs zinc-coated flat steel sheet, round steel carries out electric full weld and connect, then adopt resistance reducing agent to carry out falling resistance, last backfill soil etc.Floor space is large, and construction is complicated, affected by environment huge with restriction, and the effect of earth resistance is extremely difficult to easily meet related request.
Summary of the invention
According to the deficiency that above-mentioned field exists, the invention provides a kind of artificial ground networks lightning current being decomposed absorption, transforms, consume, fundamentally can eliminate the potential safety hazard of the actual environment being difficult to meet grounding requirement.
The technical scheme of application claims protection is as follows:
A kind of artificial earthing device, is characterized in that, device comprises core conductive frame from inside to outside, falls resistance thing and shell;
Described core conductive frame is consisted of electrical connection red copper busbar, aluminium busbar and zinc-coated flat steel sheet board mount from top to bottom successively;
Described red copper busbar is for connecting other earthing device or needing electric equipment or the electrical system of ground connection;
Be full of between described core conductive frame and shell and fall resistance thing.
The described resistance thing that falls is solid-state, semi-solid or liquid.
Described fall resistance thing be graphite linings, graphite mixture layer and conductivity water mud layer from inside to outside respectively.
Described red copper busbar is the copper sheet of strip.
Described red copper busbar comprises one section of extension extended to outside described shell, and described extension is for connecting other earthing device or needing electric equipment or the electrical system of ground connection.
Described aluminium busbar is the rectangular aluminum sheet kept flat.
The lattice-shaped framework that described zinc-coated flat steel sheet board mount is formed in one.
Described zinc-coated flat steel sheet board mount is the lattice-shaped framework be made up of the zinc-coated flat steel sheet plate of the rectangular sheet of multi-disc, a long limit of the zinc-coated flat steel sheet plate of described rectangular sheet is equidistantly provided with joint-cutting, described in multi-disc between zinc-coated flat steel sheet plate by described joint-cutting anyhow square crossing connect into described lattice-shaped framework.
Described zinc-coated flat steel sheet plate with between aluminium busbar and described aluminium busbar with between red copper busbar for being fixedly connected with or removably connecting.
Described shell is external conductive casing or insulation crust.
A kind of artificial ground networks, is characterized in that, is formed by connecting by least two arbitrary described artificial earthing device of claim 1-10; Described connection be by described artificial earthing device between red copper busbar be interconnected.
The invention provides a kind of artificial earthing device, its core conductive frame is consisted of electrical connection red copper busbar, aluminium busbar and zinc-coated flat steel sheet board mount, make full use of copper, aluminium, zinc-coated flat steel sheet material itself electrical conductivity difference and form the high-speed channel that thunder and lightning releases, as the basis of decay thunder energy, allow thunder and lightning consume smoothly and do not produce the dangerous phenomenons such as electric conductor fusing, flashover.Artificial earthing device of the present invention, it is a kind of high efficiency lightning protection earthing device of simulating thunder energy of greatly releasing, it, by leading electric installation (red copper busbar, aluminium busbar and zinc-coated flat steel sheet support) and the combination of sub-electric installation (fall and hinder thing), is released to the conducting of a thunder energy transient state steep property and consumes.It can be the ultimate earthing device of a lightning current, realizes the lifting of temperature thus realizes the hot-cast socket of thunder and lightning electromagnetic energy and electric power conversion; Also can be the road transfer station of a thunder energy, by being connected with the earth, thunder energy be released greatly by classification gradually.
Compared with traditional earthing device, earthing device of the present invention has the following advantages: (1) is very convenient to use, can directly be installed on electric equipment minimum distance, fixes or hangs in midair, also directly can be stacked at ground surface; (2) floor space is little, conserve space; (3) little by environmental limitations, both daily demand for grounding can be met, also the demand for grounding in particular surroundings can be met, such as, on the mountain top of can be widely used in wind energy turbine set, carrying electric steel tower etc. rock more, because be not easy to ditching to install earthing device on rock, only need earthing device of the present invention be placed on rock, with the equipment connection needing ground connection; (4) without the need to ditching, the damage on ground and the destruction of vegetation is avoided; (5) the artificial earthing device of each monomer can form ground networks by serial or parallel connection, thus meets the demand for grounding of different capabilities; (6) mobility is strong, can disconnect the connection between earthing device and electric equipment, be transferred to and need in the environment of ground connection time unwanted.
Between core conductive frame and shell, fall resistance thing, its electrical conductivity is larger than leading electrostrictive coefficient, and namely resistance value is comparatively large, in the process of conduction, consume thunder energy.Described fall resistance thing can be solid-state, semi-solid or liquid.In a preferred embodiment of the invention, using graphite as internal layer filler, graphite mixture is as middle level filler, and electroconductive cement is as outer firming body.In another embodiment of the present invention, adopt Signa Gel as falling resistance thing.Conductive rubber particle in colloidal sol or solution or macromolecule are interconnected under certain condition, form space net structure, the conducting liquid be filled with in structural void as decentralized medium (also can be gas in xerogel, xerogel is also referred to as aeroge), a kind of so special dispersion is Signa Gel, there is no mobility, inner normal containing a large amount of conducting liquid.
In a preferred embodiment of the invention, described red copper busbar is the copper sheet of strip, described aluminium busbar is the rectangular aluminum sheet kept flat, the lattice-shaped framework that described zinc-coated flat steel sheet board mount is formed in one, this shape can be released to greatest extent and be disperseed thunder and lightning peak current, thus weakens thunder and lightning total energy intensity.In another embodiment of the present invention, described zinc-coated flat steel sheet board mount is the lattice-shaped framework be made up of the zinc-coated flat steel sheet plate of the rectangular sheet of multi-disc, a long limit of the zinc-coated flat steel sheet plate of described rectangular sheet is equidistantly provided with joint-cutting, described in multi-disc between zinc-coated flat steel sheet plate by described joint-cutting anyhow square crossing connect into described lattice-shaped framework.In other embodiments of the invention, described red copper busbar can be copper wire, red copper wire etc., and described aluminium busbar and zinc-coated flat steel sheet board mount also can be designed to other shape and structure, preferably have the shape and structure that are beneficial to loss thunder energy.
In some embodiments of the invention, described zinc-coated flat steel sheet plate with between aluminium busbar and described aluminium busbar be fixedly connected with adopting between red copper busbar, can be that welding or known in the art other are fixedly connected with mode.In other embodiments of the present invention, adopt between described zinc-coated flat steel sheet plate and aluminium busbar, between described aluminium busbar and red copper busbar and removably connect, can be bolted or other connected mode known in the art.
In a preferred embodiment of the invention, described shell is external conductive casing, releases in process in heavy current, and external conductive casing (can comprise all contactants even air) to external world and directly discharge, thus improves the overall relieving capacity of ground networks.In other embodiments of the present invention, for cost-saving, described shell also can be insulation crust, such as plastic casing.Described shell can be cuboid, square, cylinder, or other suitable shape any.
The present invention also provides a kind of and lightning current is decomposed the artificial ground networks absorbing, transform, consume, adopt the patten's design of unit module, carry out multidirectional Large Copacity electrically conducting by least two arbitrary described artificial earthing device of claim 1-10 and be formed by connecting.Described connection be by described artificial earthing device between red copper busbar be interconnected, such as can be interconnected by the extension of red copper busbar; In the embodiment not having extension, the red copper busbar between the described artificial earthing device of the individual components of red copper material connection can be adopted.Formed thus and can meet the ground of equipment and environment needs or the artificial ground networks in high-altitude, can be photo-thermal energy by the electric energy conversion of thunder and lightning instantaneously fully according to its design capacity size, under solving a lot of situation, there is no ground connection and the various potential safety hazards caused, high, precision and frontier light current, strong power system can be widely used in.
Accompanying drawing explanation
Fig. 1. artificial ground networks schematic diagram;
Fig. 2. artificial grounding device constructions schematic isometric;
Fig. 3. artificial earthing device profile;
Fig. 4. square crossing connects into the zinc-coated flat steel sheet plate of lattice-shaped framework anyhow;
The element names that in accompanying drawing, numeral number is corresponding is called: 1-red copper busbar, 2-aluminium busbar, 3-zinc-coated flat steel sheet board mount, and resistance thing falls in 4-, 5-shell.
Embodiment
Be described in detail below by specific embodiment, it is to be appreciated that following embodiment is only as explanation of the invention and explanation, and do not limit the scope of the invention in any form.
As shown in Figure 1, the invention provides a kind of artificial earthing device, comprise core conductive frame from inside to outside, fall resistance thing (4) and shell (5); Described core conductive frame is consisted of electrical connection red copper busbar (1), aluminium busbar (2) and zinc-coated flat steel sheet board mount (3) from top to bottom successively; Described red copper busbar (1) is for connecting other earthing device or needing electric equipment or the electrical system of ground connection; Be full of between described core conductive frame and shell (5) to fall and hinder thing (4).Because of the fine conductive difference between each part of core conductive frame, do not affecting under the prerequisite that thunder and lightning releases rapidly, earthing device of the present invention can reduce intensity and the speed of thunder and lightning peak current greatly, thus to realize in thunder and lightning the greatest danger electric current to the infringement of electric equipment, electric component.When lightening strikes, red copper busbar accepts room as the one-level of thunder and lightning peak current, thunder and lightning peak current can be interrogated speed and be imported aluminium sheet after arriving instantaneously, and this process can consume part energy because red copper arranges the conduction absorption (electricity-hot-cast socket-cooling is scattered) of self-resistance.After importing aluminium sheet, thunder and lightning peak current can absorb again because of aluminium sheet conductive resistance (electricity-hot-cast socket-wandering).Galvanized steel plain sheet is imported from aluminium sheet, from galvanized steel plain sheet again to falling resistance thing, thunder energy of decaying step by step.Described red copper busbar is connected by welding, screw, rivet or other mode that can realize electrically conducting is connected with electric equipment or other earthing device.
Earthing device of the present invention has multipath structure, invade at lightning current in the process of this device is multipath state, can to galvanized steel plain sheet to falling resistance thing (main introduction channel) from copper bar to aluminium sheet, also again to falling resistance thing (shell of this situation must be external conductive casing) from copper bar to shell, channels such as falling resistance thing can also can directly be invaded to absorb thunder and lightning peak current from copper bar.The single volume of earthing device of the present invention is little, lightweight, is very beneficial to carrying, can directly be installed on electric equipment minimum distance, fixes or hangs in midair, also directly can be stacked at ground surface.
It can be solid-state, semi-solid or liquid that falling between described core conductive frame and shell hinders thing.In one embodiment of the invention, described in fall resistance thing be solid-stately fall resistance thing, be graphite linings, graphite mixture layer and conductivity water mud layer from inside to outside respectively.In another embodiment of the present invention, described in fall resistance thing be that resistance thing falls in semisolid, such as Signa Gel.Also in another embodiment of the present invention, described in fall resistance thing be that resistance thing falls in liquid state, its composition can be mercury, nitrate, sodium chloride, alkali (as NaOH), or other suitable conducting solution.
In a preferred embodiment of the invention, described red copper busbar is the copper sheet of strip, and described aluminium busbar is the rectangular aluminum sheet kept flat, the lattice-shaped framework that described zinc-coated flat steel sheet board mount is formed in one.In another embodiment of the present invention, described zinc-coated flat steel sheet board mount is the lattice-shaped framework be made up of the zinc-coated flat steel sheet plate of the rectangular sheet of multi-disc, a long limit of the zinc-coated flat steel sheet plate of described rectangular sheet is equidistantly provided with joint-cutting, described in multi-disc between zinc-coated flat steel sheet plate by described joint-cutting anyhow square crossing connect into described lattice-shaped framework (as shown in Figure 4).In other embodiments of the invention, described red copper busbar, aluminium busbar and zinc-coated flat steel sheet plate can be designed to any other suitable shape and structure, such as, red copper busbar can be copper wire composition copper cash.
In some embodiments of the invention, described red copper busbar crisscross anyhow, through falling resistance thing after being connected with aluminium sheet, then from shell edge extending apparatus, to carry out the endless integrated assembling of all directions such as front, back, left, right, up, down.
In some embodiments of the invention, described zinc-coated flat steel sheet plate with between aluminium busbar and described aluminium busbar be fixedly connected with adopting between red copper busbar, can be that welding or known in the art other are fixedly connected with mode.In other embodiments of the present invention, adopt between described zinc-coated flat steel sheet plate and aluminium busbar and between described aluminium busbar and red copper busbar and removably connect, can be bolted, grafting (mode as industrial electric connector, socket interface) or other connected mode known in the art.
In some embodiments of the invention, described shell is external conductive casing, and preferred corrosion resistant plate shell also can adopt cast aluminium shell, cast copper shell and galvanized steel plain sheet shell.Wherein, the conductive effect of cast copper shell is best, and service time is long, but cost is high; Corrosion resistant plate shell cost is low, and service time is longer, and conductive effect is general; Cast aluminium housings conductive is effective, and cost is higher, but service time is not as good as cast copper shell and corrosion resistant plate shell.In other embodiments of the present invention, for cost-saving, described shell also can be insulation crust, such as, adopts shell made of plastic.The shape of described shell can design according to actual needs, can be cuboid, square, cylinder, or other suitable shape any.
Artificial ground networks provided by the invention, can be according to actual needs, by two or more artificial earthing device, carry out front, back, left, right, up, down all directions by red copper busbar and be formed by connecting, such as, can be interconnected by the extension of red copper busbar; In the embodiment not having extension, the red copper busbar between the described artificial earthing device of the individual components of red copper material connection can be adopted.Described artificial ground networks can meet the grounding requirement of various environment, various capacity, can be widely used in high, precision and frontier light current, strong power system.
Claims (11)
1. an artificial earthing device, is characterized in that, device comprises core conductive frame from inside to outside, falls resistance thing and shell;
Described core conductive frame is consisted of electrical connection red copper busbar, aluminium busbar and zinc-coated flat steel sheet board mount from top to bottom successively;
Described red copper busbar is for connecting other earthing device or needing electric equipment or the electrical system of ground connection;
Be full of between described core conductive frame and shell and fall resistance thing.
2. artificial earthing device according to claim 1, is characterized in that, described in fall resistance thing be solid-state, semi-solid or liquid.
3. artificial earthing device according to claim 1, is characterized in that, described in fall resistance thing be graphite linings, graphite mixture layer and conductivity water mud layer from inside to outside respectively.
4. artificial earthing device according to claim 1, is characterized in that, described red copper busbar is the copper sheet of strip.
5. artificial earthing device according to claim 1, is characterized in that, described red copper busbar comprises one section of extension extended to outside described shell, and described extension is for connecting other earthing device or needing electric equipment or the electrical system of ground connection.
6. artificial earthing device according to claim 1, is characterized in that, described aluminium busbar is the rectangular aluminum sheet kept flat.
7. artificial earthing device according to claim 1, is characterized in that, the lattice-shaped framework that described zinc-coated flat steel sheet board mount is formed in one.
8. artificial earthing device according to claim 1, it is characterized in that, described zinc-coated flat steel sheet board mount is the lattice-shaped framework be made up of the zinc-coated flat steel sheet plate of the rectangular sheet of multi-disc, a long limit of the zinc-coated flat steel sheet plate of described rectangular sheet is equidistantly provided with joint-cutting, described in multi-disc between zinc-coated flat steel sheet plate by described joint-cutting anyhow square crossing connect into described lattice-shaped framework.
9. artificial earthing device according to claim 1, is characterized in that, described zinc-coated flat steel sheet plate with between aluminium busbar and described aluminium busbar with between red copper busbar for being fixedly connected with or removably connecting.
10. artificial earthing device according to claim 1, is characterized in that, described shell is external conductive casing or insulation crust.
11. 1 kinds of artificial ground networks, is characterized in that, are formed by connecting by least two arbitrary described artificial earthing device of claim 1-10; Described connection be by described artificial earthing device between red copper busbar be interconnected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510944850.1A CN105390829B (en) | 2015-12-16 | 2015-12-16 | The artificial ground networks of artificial earthing or grounding means and its composition |
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| CN201510944850.1A CN105390829B (en) | 2015-12-16 | 2015-12-16 | The artificial ground networks of artificial earthing or grounding means and its composition |
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| CN105390829A true CN105390829A (en) | 2016-03-09 |
| CN105390829B CN105390829B (en) | 2018-06-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105742837A (en) * | 2016-04-19 | 2016-07-06 | 北京先研科技有限责任公司 | Efficient discharging grounding electrode |
| CN108646799A (en) * | 2018-05-31 | 2018-10-12 | 国网西藏电力有限公司拉萨供电公司 | A kind of system and method for intelligent control High aititude high soil resistivity grounding resistance of transformer substation grounding net |
| CN109149156A (en) * | 2018-08-21 | 2019-01-04 | 仇建芳 | A kind of expansible concrete ground grid design method |
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| CN101771203A (en) * | 2010-03-05 | 2010-07-07 | 陕西电力科学研究院 | Corrosion-preventing and resistance-reducing grounding module |
| CN103001012A (en) * | 2012-11-16 | 2013-03-27 | 吉林市能兴电力设备有限公司 | Anti-corrosion resistance-reducing lightning protection grounding device adopting multi-component alloy grounding body |
| CN103594826A (en) * | 2013-11-12 | 2014-02-19 | 国家电网公司 | Conductive concrete module grounding grid |
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2015
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101771203A (en) * | 2010-03-05 | 2010-07-07 | 陕西电力科学研究院 | Corrosion-preventing and resistance-reducing grounding module |
| CN103001012A (en) * | 2012-11-16 | 2013-03-27 | 吉林市能兴电力设备有限公司 | Anti-corrosion resistance-reducing lightning protection grounding device adopting multi-component alloy grounding body |
| CN103594826A (en) * | 2013-11-12 | 2014-02-19 | 国家电网公司 | Conductive concrete module grounding grid |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742837A (en) * | 2016-04-19 | 2016-07-06 | 北京先研科技有限责任公司 | Efficient discharging grounding electrode |
| CN105742837B (en) * | 2016-04-19 | 2018-07-20 | 北京先研科技有限责任公司 | Efficient discharge earthing pole |
| CN108646799A (en) * | 2018-05-31 | 2018-10-12 | 国网西藏电力有限公司拉萨供电公司 | A kind of system and method for intelligent control High aititude high soil resistivity grounding resistance of transformer substation grounding net |
| CN109149156A (en) * | 2018-08-21 | 2019-01-04 | 仇建芳 | A kind of expansible concrete ground grid design method |
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| CN105390829B (en) | 2018-06-26 |
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