CN201345429Y

CN201345429Y - Long-acting high-conductivity active ion grounding device

Info

Publication number: CN201345429Y
Application number: CNU2008202389527U
Authority: CN
Inventors: 周静
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-12-30
Filing date: 2008-12-30
Publication date: 2009-11-11
Anticipated expiration: 2018-12-30

Abstract

The utility model relates to a long-acting high-conductivity active ion grounding device, which can effectively resolve technical problems that existing grounding devices are trouble in construction, large in occupied area, poor in use effect, short in service life and insecure in safety of electric appliances. The technical scheme for resolving the technical problems includes that the long-acting high-conductivity active ion grounding device comprises a casing and a grounding electrode, the grounding electrode is placed inside the casing, external filling agents are arranged between the grounding electrode and the casing, the grounding electrode is a cylinder, internal filling agents are arranged inside the grounding electrode cylinder, the upper portion of the cylinder is provided with a ventilation hole, the lower portion of the cylinder is provided with an overflow hole, and a wiring terminal on the upper portion of the cylinder is equipped with a lead wire extending out of the ground. The utility model is simple in structure, convenient in mounting and using, low in cost, fine in effect, long in service life, novel and unique, and is an innovation of grounding devices.

Description

Long-acting height is led the active ion earthing device

One, technical field

The utility model relates to electrical equipment, and particularly a kind of long-acting height is led active ion earthing device (system).

Two, background technology

Along with science and technology development, the use of various electrical equipment is more and more general, particularly for some large scale electrical power units, be the safety of guaranteeing that its equipment uses, with electrical equipment in grounding apparatus inserts ground, existing grounding apparatus has ground wire or earthing device, some important power departments particularly, or power consumer unit, as communication bureau (station), mobile base station, the scheduling machine room, substation grounding, freeway infrastructure ground connection, computer floor, office automation, unit and department that intellectual communityintellectualized village etc. are strict to ground connection, all adopt the grounding system (device) that can constitute function admirable, but because structural problem, the earthing device that uses is implemented common earthing method and is reached low earth resistance by the resistance in the certain zone of laying reduction of a large amount of metal materials at present; The dryness contact, when dry and moist, earth resistance big rise and fall, poor electric conductivity, no safety guarantee; Owing to corrosiveness, As time goes on earth resistance rises comparatively fast in addition; Anticorrosion relatively poor, effective service life is shorter relatively, and the resistance instability every 3 to 5 years, need be carried out the soil transformation again, reduce soil resistivity, otherwise the ground connection resistance will rebound; Material is simple, be convenient to buy, but floor space and construction volume is all relatively large, and technical merit is lower, no technical guarantee, and therefore, the improvement of earthing device is imperative with innovation.

Three, utility model content

At above-mentioned situation, for overcoming the defective of prior art, the purpose of the utility model just provides a kind of long-acting height and leads the active ion earthing device, can effectively solve earthing device construction trouble, and floor space is big, result of use is poor, life-span weak point and security appliance do not have the technical problem of guarantee, and the technical scheme of its solution is to include shell and grounding electrode, grounding electrode places in the shell, outer filler is housed between said grounding electrode and shell, and grounding electrode is a cylinder, and interior filler is housed in the grounding electrode cylinder, ventilation hole is arranged at cylinder top, spout hole (claiming the electrolysis through hole again) is arranged at the bottom, and the lead-in wire that elevates above the soil is housed on the binding post on cylinder top, and the utility model is simple in structure, novel unique, easy to install, cost is low, and is effective, long service life is an innovation on the grounding apparatus.

Four, description of drawings

Fig. 1 is a structural profile front view of the present utility model.

Fig. 2 is user mode figure of the present utility model.

Five, embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.

By shown in Figure 1, the utility model includes shell and grounding electrode, grounding electrode 1 places in the

shell

7,7 on said grounding electrode 1 and shell are equipped with outer filler 2, grounding electrode is a cylinder, filler 8 in being equipped with in the grounding electrode cylinder, and ventilation hole 4 is arranged at cylinder top, spout hole 3 (claiming the electrolysis through hole again) is arranged at the bottom, and the lead-in wire 6 that elevates above the soil is housed on the binding post 5 on cylinder top.

In order to guarantee result of use, said grounding electrode is the cylinder that copper alloy is made, and its length is 3000 millimeters, and external diameter is 55 millimeters, 2 millimeters of wall thickness, 330 square millimeters of sectional areas; On the said grounding electrode cylinder body wall ion release aperture 9 is arranged, ion release aperture 9 has 12 at least, outwards slowly discharges liquid, and grounding electrode cylinder lower bottom part has liquid storage room 10; Said outer filler 2 is led the active ion filler for height, and the well water, running water or the river that add 50Kml during use in every 150Kml filler stir into the pasty state that can slowly flow; Filler is the commercially available molten filler of LJZ200 active factors liquid or other conductivity solvent that is suitable for permeating in said.

The utility model in use, shell 7 can be replaced (if melt pit by melt pit, the pit hole diameter should be about 155mm, in order to avoid filler lack of fill or very few), insert grounding electrode in the melt pit vertically downward, the lower end is goed deep in the soil 11, and outer filler is inserted in the outer melt pit of grounding electrode, and the lead-in wire of grounding electrode through elevating above the soil is with the ground wire of the electric equipment that uses be connected (as shown in Figure 2).

The key property of the outer filler of the utility model is can be penetrated in the peripheral soil, form tree root shape structure (as Fig. 2), and can after installing, earth electrode expand significantly, main application is to make between soil, outer filler and metal earth electrode closely to contact, improved the conductance of earth electrode periphery soil on the one hand, and then reduced earth resistance, outer on the other hand filler has completely cut off air with tight contact the between the metal earth electrode, prevent the corrosion of earth electrode effectively, prolonged the useful life of earth electrode significantly.In addition, filler also has the function of suction, water conservation, makes moisture for a long time, stably remain on certain level, and earth resistance also for a long time, stably remains on the low resistance state.The experiment proved that the too high immediate cause of soil resistivity is the additional conductive effect in default of free ion.The outside filler of earth electrode is to have strong water absorbing force, strong absorption affinity and the high material of cation exchange property are main body, be equipped with long-acting, fall that resistance, anti-corrosion function are strong, high not to be subjected to the number of chemical material of influence of temperature change, high voltage withstanding impact be auxiliary material to the coefficient of expansion.Be mainly used in solution earthing conductor humidity, ion on every side and generate problems such as content, anti-corrosion protection; conductor and the earth are combined closely; thereby reduced the contact resistance of electrode and soil, improved the resistivity of peripheral soil, strengthened thunder and lightning conducting releasability effectively.

Interior filler is the loss that replenishes outer filler issuable active ion in long-term use, outer filler is in long-term use, added in order to fall resistance, the composition of infiltration might be in time increase and rainwater factor such as flow and run off, active factors in the interior filler is highly enriched resistance and the infiltration composition of falling, and can replenish the loss of active ingredient in the outer filler by the ion release aperture on the metal earth electrode tube wall automatically.Can finish automatically for making replenishing of filler active ingredient, it is the molten factor of liquid that in the interior filler another mainly formed, this composition can absorb the moisture in outside filler of earth electrode and the surrounding soil automatically by the ion release aperture on the metal earth electrode tube wall, and after suction, liquefy, resistance, the dissolving of infiltration composition fall in the high concentration in making in the filler, slowly be discharged in the outer filler, realize automatic supplementary functions.

After filler in the conductor was buried underground, earth resistance can descend gradually, reached stationary value in half a year to one year, buried the slowly-releasing process underground and can reach 30 years.

During use, 1, the upper end of grounding electrode and ground distance be greater than 0.7m, should be embedded in below the frozen soil layer at cold district; 2, in the vertical junction terrain hole, should use the backfill of low-resistivity soil, and compaction in layers; 3, adopt when two covers or a few cover are in parallel to be used, the spacing between the earth electrode should not be less than 2 times of earth electrode length; 4, overlap between the earth electrode to connect more and should select multiply copper cash or hot dip band steel for use, multiply copper cash specification is not less than 95mm ², the band steel specification is not less than 40mm * 4mm; 5, the copper cash tie point adopts welding or welding, also can adopt ward off tin after bolt connect, connecting portion should be done preservative treatment; 6, band steel should adopt welding method, and its lap of splice is 2 times of width, is not less than three weldings, and preservative treatment should be done in the welding position; 7, the lead-out wire and the lead-in depth of burying be greater than 0.7m, and must not lay in the heating installation trench, should avoid sewage pipe and ditch when burying underground, exposes on ground with top, and the measure of the mechanical damage of preventing should be arranged; 8, the connection of lead-out wire and lead-in should be reliable, and the junction should not become flexible, sealing-off, loose contact etc.; 9, after construction finished, grounding resistance should be less than 5 Ω, and for the area of sudden and violent day of year less than 20 days, grounding resistance can be less than 10 Ω.

Good effect of the present utility model is: the ion by electrode interior and outside packing material discharges effect Answer, improve the contact environment of electrode and Soil Surrounding, reach the purpose of falling resistance; Outside packing material wherein Have well anticorrosion, suction, moisturizing, the not impact that changes of climate, earth resistance finishes one in construction Enter continual and steady state after week, not wet by doing of soil affects, and can not rise along with the time; Have anti-Rotten effect, ion replenishes automatically, so the useful life cycle is more than 30 years; Floor space is little, and construction is simple, Quantities is little, and resistance reducing effect is obvious, and comprehensive cost is lower.

Claims

1, a kind of long-acting height is led the active ion earthing device, include shell and grounding electrode, grounding electrode (1) places in the shell (7), it is characterized in that between said grounding electrode (1) and shell (7) outer filler (2) is housed, grounding electrode is a cylinder, interior filler (8) is housed in the grounding electrode cylinder, ventilation hole (4) is arranged at cylinder top, and spout hole (3) is arranged at the bottom, and the lead-in wire (6) that elevates above the soil is housed on the binding post on cylinder top (5).

2, long-acting height according to claim 1 is led the active ion earthing device, it is characterized in that, said grounding electrode is the cylinder that copper alloy is made, and its length is 3000 millimeters, and external diameter is 55 millimeters, 2 millimeters of wall thickness, 330 square millimeters of sectional areas.

3, long-acting height according to claim 1 is led the active ion earthing device, it is characterized in that, on the said grounding electrode cylinder body wall ion release aperture (9) is arranged, ion release aperture (9) has 12 at least, and grounding electrode cylinder lower bottom part has liquid storage room (10).

4, long-acting height according to claim 1 is led the active ion earthing device, it is characterized in that, said outer filler (2) is led the active ion filler for height.

5, long-acting height according to claim 1 is led the active ion earthing device, it is characterized in that, said interior filler (8) is the molten filler of active factors liquid.