CN208723114U - A kind of grounding rod applied to earthed system - Google Patents

Abstract

The utility model relates to a kind of grounding rod applied to earthed system, the grounding rod surface is coated with the composite layer of graphene and zinc, silver.Due to graphene and zinc, silver all has good conductive property, more so, zinc and graphene also have fabulous corrosion resistance, and the surface adhesion force of graphene is strong, zinc coat and silver coating can firmly be stabilized, improve the bonding adsorption capacity on grounding rod surface, not only promote the conjugation of two kinds of metal layers of silver-colored zinc, even more improve the hardness of grounding rod, so that the grounding rod suitable environment of the utility model is wider, especially, when using the grounding rod of the utility model, especially during tapping grounding rod, the outermost zinc coat of grounding rod is effectively prevented to peel off, so that the service performance of grounding rod is more reliable and more stable, simultaneously, due to the good heating conduction of graphene, it effectively can quickly reduce grounding rod inside and surface temperature, in lightning-arrest and ground connection environment, the effect played is extremely significant, it improves and uses the longevity Life.

Description

A kind of grounding rod applied to earthed system

Technical field

The utility model relates to electric power facility field more particularly to a kind of grounding rods applied to earthed system.

Background technique

Earthed system also known as earthing pole are to reduce soil outside earth conductor to improve earth conductor inner conductive performance Resistivity, which is that theoretical foundation is designed, to be produced.It is all to be generally applicable to communication, electric power, traffic, finance, petrochemical industry, building system etc. It is multi-field, such as communication bureau's (station), mobile base station, scheduling computer room, substation, freeway infrastructure, computer floor, intellectual communityintellectualized village Deng to the stringent unit of grounding requirement and department.

It is vertical well known, since the grounding rod of earthed system is typically all directly to cover one layer in the outer surface of rod iron in the market Although copper, i.e. copper-clad steel construction, the grounding rod of this structure have reached good electric conductivity, higher mechanical strength and good Corrosion resistance, however since the otherness of copper product and the metallurgical structure of Steel material is excessively obvious so that layers of copper with The bonding force on rod iron surface is inadequate, and after causing layers of copper to overlay on the surface of rod iron, office is easy to when go deep into the percussion of soil again Portion falls off or peels off because of the friction such as itself and soil sandstone, and then influences the service performance and service life of earthed system；Separately Outside, it (generally at least to be squeezed into wet soil layer) in soil environment due to grounding rod after being used for a long time, surface is easy to quilt Corrosion, especially become apparent the phenomenon that the local location that layers of copper is peeled off is corroded with seriously, furthermore, cooperation is lightning-arrest and connects When ground, will all occur a possibility that the fuel factor of high pressure water conservancy diversion, grounding rod is oxidized or even is burned out, cause greatly safety it is hidden Suffer from.

Summary of the invention

The purpose of the utility model is to overcome the defects of the prior art, provide a kind of simple structure, novel design, use The grounding rod applied to earthed system of reliable performance, the grounding rod have good electric conductivity, thermal conductivity, corrosion resistance and hard Degree, can effectively improve the service life of grounding rod.

To achieve the above object, the utility model relates to a kind of grounding rod applied to earthed system, the grounding rod tables Face is coated with the composite layer of graphene and zinc, silver.The technology of this field knows that so-called composite layer is defined as two kinds or two kinds Above kenel superposition or the new kenel of indissoluble generation from level to level, it is therefore, in the present invention, described Composite layer is preferably on the grounding rod surface from inside to outside successively in the layering knot of silver coating, graphene layer and zinc coat Structure；It may also preferably be graphene, zinc powder and silver powder to fuse in the mixed layer of one.

As the further setting of the utility model, the grounding rod includes the grafting that plug and diameter are less than plug Bar is connected between the shank and plug by undergauge centrum, and has several phases on the outer surface of the shank Mutual staggered impression, and salient point is formed in the region that the impression interweaves.

Further it is arranged as the utility model, the end of the shank forms bullet, the bullet Top is connected with the pre-extrusion portion that cross section is in the shape of the letter V.

By the above-mentioned improvement to the prior art, the grounding rod of the utility model has reached following both sides and has significantly imitated Fruit: 1, due in the utility model, the outer surface of grounding rod has been covered with the composite layer of graphene and zinc, silver, and research has shown that, The composite layer of graphene and zinc, silver not only has good electric conductivity, and has high mechanical strength, such as its hardness Aspect is more than pure metal material hundreds of times, and it is 180 times of pure nickel material, therefore, when this that intensity, which is 500 times of pure copper material, When composite layer is using silver coating, graphene layer and zinc coat superposition, because graphene has the performance for improving bonding force, make Zinc coat and silver coating are combined stronger by graphene layer, and binding force is stronger on grounding rod surface, not easy-peel It falls, even more so that grounding rod relatively reliable stabilization when using in complicated soil horizon, and graphene and zinc, silver is used to fuse When single mixed layer together, its advantages are same as above, even more significantly；2, in practical applications, due to by grounding rod It is embedded in soil layer, it is general to go deep into wet soil layer, therefore the shank of grounding rod often will be (general with alloy bit immovable fitting It is that alloy bit tail end offers the immovable fitting mode for adapting to the slot of the shank), then again with equipment such as electric picks Tap deeply, during this, the stable connection of shank and alloy bit directly affects the efficiency of construction personnel's installation, Therefore, the structure of several salient points will be arranged in the utility model on the outer surface of shank, bored with improving shank and alloy Frictional force between the slot of head, simultaneously as the bullet top of shank is connected with the pre-extrusion that cross section is in the shape of the letter V Portion, when so that shank being adapted to the slot of alloy bit, which squeezes and expands to the opposite direction that shank promotes, The gap between shank and the slot of alloy bit is filled, grounding rod is further improved and alloy bit connects The reliability and stability connect, it is easier to adapt to a variety of different soil environments.

Detailed description of the invention

Fig. 1 is the schematic diagram of grounding rod in the utility model.

Fig. 2 is the assembling structure schematic diagram of grounding rod and alloy bit in the utility model.

Fig. 3 is the enlarged diagram in the portion A in Fig. 1.

Specific embodiment

As shown in Figure 1-3, the present embodiment is related to a kind of grounding rod applied to earthed system, specifically, in the present embodiment In, 1 surface of grounding rod is coated with the composite layer of graphene and zinc, silver.The technology of this field knows, so-called composite layer, It is defined as two or more form superposition or the new form of indissoluble generation from level to level, therefore, at this In embodiment, the composite layer be preferably the grounding rod surface from inside to outside successively in silver coating, graphene layer and The layered structure of zinc coat, why the layered structure of the composite layer is distributed with such order, is mainly in view of graphene tool There is extremely strong adhesiveness, it can be used as the mediator between silver coating and zinc coat, and silver coating and zinc coat are firmly combined Together, meanwhile, research has shown that, graphene and zinc, silver composite layer not only there is good electric conductivity, and there is pole It is more than pure metal material hundreds of times in terms of high mechanical strength, such as its hardness, it is pure that intensity, which is 500 times of pure copper material, Therefore the grounding rod of copper facing in the prior art or nickel plating is replaced by the grounding rod of the present embodiment by 180 times of nickel material When, effect is obvious；Certainly, in the present embodiment, it is fused which may also preferably be graphene, zinc powder and silver powder In the mixed layer of one, which refers to single mixed layer, our experiments show that, using the composite layer of this fused form Its effect is more layered, and composite layer is more significant, not only the superior performances such as electric conductivity, thermal diffusivity, corrosion resistance, especially It is that molecular structure between zinc powder and silver powder and graphene is disturbed, so that the bonding force pole between the molecule of the mixed layer To be powerful, external force resistance performance is extremely superior.

It is shown in Fig. 1, in the present embodiment, the grounding rod 1 includes the grafting that plug 10 and diameter are less than plug 10 Bar 11 is connected between the shank 11 and plug 10 by undergauge centrum 12, and in conjunction with Fig. 3 it is found that the shank 11 Outer surface on have several interlaced impressions 110, and the impression interweave region in formed salient point 111.? It is general to go deep into wet soil layer since grounding rod to be embedded in soil layer in practical application, and the environment of soil is often relatively more multiple It is miscellaneous, usually all grounding rod beat burying with the oil modes such as pick or electric hammer in the prior art, therefore can be in grounding rod An alloy bit 2 is fixedly mounted in end, and during this, the stable connection of shank 11 and alloy bit 2, which directly affects, to be applied The efficiency of worker person's installation, therefore the shank 11 of grounding rod needs to have the cooperation reliably fastened with alloy bit 2, shows in Fig. 2 The fit structure for showing grounding rod 1 and alloy bit 2 is to offer to adapt to the slot of the shank 11 in 2 tail end of alloy bit 20, it is seen then that salient point 111 on 11 outer surface of shank and effective impedance frictional force can be formed between the internal perisporium of slot 20, Improve the stable connection of shank 11 and alloy bit 2；In the present embodiment, further Fig. 1 combination Fig. 2 is it is found that described The end of shank 11 forms bullet 13, and the top of the bullet 13 is connected with the pre-extrusion portion 14 that cross section is in the shape of the letter V, The setting in pre-extrusion portion 14, when so that shank 11 being adapted to the slot of alloy bit 2, the pre-extrusion portion 14 is due to by alloy The opposition of drill bit 2, the opposite direction promoted to shank 11 are squeezed and are expanded, i.e., to shank 11 and alloy bit 2 Gap between slot 20 forms filing effect, further improves reliability that grounding rod 1 is connect with alloy bit 2 and surely Solidity, it is easier to adapt to a variety of different soil environments.

The advantages of the utility model basic principles and main features and the utility model has been shown and described above.Current row The technical staff of industry is described in the above embodiment and specification it should be appreciated that the utility model is not limited by above-described embodiment Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model can also There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted The protection scope asked is according to the attached claims and its equivalent thereof.

Claims (2)

1. a kind of grounding rod applied to earthed system, it is characterised in that: the grounding rod surface is coated with graphene and zinc, silver Composite layer, the composite layer is on the grounding rod surface from inside to outside successively in the layering of silver coating, graphene layer and zinc coat Structure, the grounding rod include the shank that plug and diameter are less than plug, pass through undergauge before the shank and plug Centrum connection, and there are several interlaced impressions on the outer surface of the shank, and interweave in the impression Salient point is formed in region.

2. a kind of grounding rod applied to earthed system according to claim 1, it is characterised in that: the end of the shank Portion forms bullet, and the top of the bullet is connected with the pre-extrusion portion that cross section is in the shape of the letter V.