CN203377384U - A composite grounding resistance-reducing apparatus - Google Patents
A composite grounding resistance-reducing apparatus Download PDFInfo
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- CN203377384U CN203377384U CN201320427597.9U CN201320427597U CN203377384U CN 203377384 U CN203377384 U CN 203377384U CN 201320427597 U CN201320427597 U CN 201320427597U CN 203377384 U CN203377384 U CN 203377384U
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- grounding
- nonmetallic
- nonmetal
- reducing apparatus
- resistance
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Abstract
The utility model discloses a composite grounding resistance-reducing apparatus comprises a nonmetallic grounding body. A zinc layer is disposed on the surface of the nonmetallic grounding body. In a using process of the composite grounding resistance-reducing apparatus, as a protection layer for protecting an internal nonmetallic body, an alloy layer enhances the intensity of the nonmetallic body. In a long-term using process of the composite grounding resistance-reducing apparatus, as an isolating layer, the zinc layer maintains the nonmetallic grounding body in a natural state even though the composite grounding resistance-reducing apparatus is in a dry environment. Therefore, the nonmetallic grounding body is prevented from being hard, fragile, or cracked. The composite grounding resistance-reducing apparatus is not immersed in water for long time so that the material of the nonmetallic grounding body is prevented from disintegrating. The zinc layer and a horizontal grounding wire are buried together. The resistivity of the nonmetallic grounding body produced by nonmetallic material is less than 10 [mu][omega].m. Having underwent impact current over 100 kA and high and low temperature environment from -40 to +80 degree centigrade, the composite grounding resistance-reducing apparatus has a well-maintained main body and resistance change rate less than 15 percent.
Description
Technical field
The utility model relates to a kind of ground connection and falls the resistance device, and resistance falls in a kind of compound ground connection that particularly on carbon-point, forms carbon/kirsite.
Background technology
As everyone knows, ground connection is fallen the resistance product and is embedded in undergroundly, and due to " macro cell corrosion " and factors such as " micro cell corrosions ", earth electrode is buried underground after underground and all corrode comparatively fast, causes grounding resistance to rebound.Ground connection product in existing grounding technology mainly contains two classes, one class is metal product, one class is non-metallic products, the metal species product mainly is divided into steel and copper material, the general plated surface one deck zinc of zinc-plated form at steel that adopts of steel earth electrode, can the slowing down corrosion degree, but because of thinner thickness (being generally several microns), be easy in use be corroded, be difficult to guarantee the useful life of earth mat.Copper material is as earthing material, although do not corrode, price is more expensive, simultaneously, if an earth mat adopts copper material and steel as earth electrode simultaneously, due to the normal potential of copper, higher than iron, can accelerate the corrosion of steel, if the whole network adopts copper material, involves great expense.Non-metal kind ground connection product is mainly that the resistance module falls in ground connection, it is actually the shaped article of resistance reducing agent, by inorganic material such as graphite powder, electroconductive cement, adhesives by being wrapped in after colding pressing on the inside modules steel core, earthing module imbed underground after, although non-metallic part can not corrode, due to steel core between two media, form " macro cell corrosion ", can aggravate the extent of corrosion of steel core in module and Soil Interface, cause the earth mat fracture when serious, cause the earth resistance bounce-back.Simultaneously, earthing module is because being pressing structure, in the situation that dry easily cracking, under moist environment, easy deliquescence, cause the shortening in ground network life-span.
The utility model content
The purpose of this utility model is to overcome the short problem in useful life that current ion grounding body exists, and provides a kind of compound ground connection to fall the resistance device, reaches the purpose that extends earth electrode and even whole ground network useful life.
The purpose of this utility model is achieved through the following technical solutions:
The resistance device falls in a kind of compound ground connection, comprises the nonmetal grounding body body, on the surface of nonmetal grounding body body, is provided with the zinc layer.The present invention be directed to the applicant is the improvement that ZL201120144763.5, denomination of invention are made for the shortcoming of " a kind of long-acting anticorrosion non-metallic ion grounding body " existence in the patent No. of application on May 10th, 2011, improved main body comprises whole a kind of long-acting anticorrosion non-metallic ion grounding body, it is the nonmetal grounding body body in the application, at the nonmetal grounding body body surface, one deck zinc layer is set, the zinc layer is the nonmetal grounding body body of internal layer to be coated fully and form one deck carbon/new alloy layer by heat leak technique outside the nonmetal grounding body main body.The nonmetal grounding body body itself is not corrodible, there is longer useful life, but the horizontal grounding line (being mainly round steel) be connected with nonmetal main body is imbedded after underground and can be corroded, further cause the earth mat fracture, in order to extend the useful life of whole earth mat, the applicant is after research repeatedly, discovery can extend earth mat useful life further by the mode at this external surface of nonmetal grounding body parcel zinc layer, the zinc layer is by heat leak technique and nonmetal grounding body body reasonable coordination, form one deck carbon/kirsite outside nonmetal main body, in use, alloy-layer is as the protective layer of protection inner non-metallic body, increased the intensity of nonmetal main body, in long-term use procedure, the zinc layer is as isolation layer, make the nonmetal grounding body body in the raw, not in dry environment, thereby avoided the hardening of nonmetal grounding body body, embrittlement, cracking, be not immersed in water for a long time yet, avoided the disintegration between the nonmetal grounding body bulk material, simultaneously, the zinc layer is with together with the horizontal grounding line is embedded in, because the normal potential of zinc is lower than iron, the sacrificial anode that can be used as cathodic protection is used, earth wire plays a protective role, extended greatly the useful life of whole earth mat.This volume resistivity of nonmetal grounding body that nonmetallic materials are made is less than 10 μ Ω .m, and after the impulse current and-40 by more than 100KA～+ 80 ℃ of high and low temperature environments circulate, main body is intact, and the volume resistance rate of change is less than 15%.
Described zinc coating thickness is 35 μ m～3mm.Further, the process applicant studying for a long period of time and testing, and between the thickness of discovery zinc layer and life amount, has certain linear relationship, when zinc coating thickness is less than 35 μ m, its prolongation amount not obvious, and thickness is too low easily is subject to extraneous damage, causes the zinc layer to lose efficacy; When its thickness is greater than 3mm, the thickness of zinc layer has been far longer than the permeable formation thickness formed between nonmetallic surface and zinc layer, and its adhesive force reduces, can not be for increasing useful life.
Described nonmetal grounding body body comprises nonmetal main body, and nonmetal body interior hollow forms ion chamber, and the two ends of nonmetal main body are equipped with end cap, on nonmetal main body, are provided with leak.Specifically, the nonmetal main body that the utility model adopts is existing classical architecture, it is cylindric that integral body is, its inside is cavity structure, this cavity is as ion chamber, for taking up the electrolytic ion material, two ends in cylindric nonmetal main body all have been threaded connection end cap, end cap is for whole sealing, also be convenient to install, be provided with leak on nonmetal main body, at inner polymer electrolytic ionic material, can utilize the pore of main body to the soil permeability conductive ion, the polymer electrolytic ionic material has the moisture-absorption water-retention effect, can make around product and inner long-term certain moisture that keeps, the conductive ion simultaneously discharged can improve the conduction environment of soil, reach the purpose of falling resistance.
Described end cap and nonmetal main body are threaded connection.
The utility model compared with prior art, has following advantage and beneficial effect:
The resistance device falls in a kind of compound ground connection of 1 the utility model, the zinc layer is by heat leak technique and nonmetal grounding body body driving lamp integral body, in use, alloy-layer is as the protective layer of protection inner non-metallic body, increased the intensity of nonmetal main body, in long-term use procedure, the zinc layer is as isolation layer, make the nonmetal grounding body body in the raw, not in dry environment, thereby avoided the hardening of nonmetal grounding body body, embrittlement, cracking, be not immersed in water for a long time yet, avoided the disintegration between the nonmetal grounding body bulk material, simultaneously, the zinc layer is with together with the horizontal grounding line is embedded in, because the normal potential of zinc is lower than iron, the sacrificial anode that can be used as cathodic protection is used, earth wire plays a protective role, extended greatly the useful life of whole earth mat.This volume resistivity of nonmetal grounding body that nonmetallic materials are made is less than 10 μ Ω .m, and after the impulse current and-40 by more than 100KA～+ 80 ℃ of high and low temperature environments circulate, main body is intact, and the volume resistance rate of change is less than 15%;
The resistance device falls in a kind of compound ground connection of 2 the utility model, have certain linear relationship between the thickness of zinc layer and life amount, when zinc coating thickness is less than 35 μ m, its prolongation amount is also not obvious, and thickness is too low easily is subject to extraneous damage, cause the zinc layer to lose efficacy; When its thickness is greater than 3mm, the thickness of zinc layer has been far longer than the permeable formation thickness formed between nonmetallic surface and zinc layer, and its adhesive force reduces, can not be for increasing useful life;
The resistance device falls in a kind of compound ground connection of 3 the utility model, simple in structure, easy to make, cost is lower, be easy to promote the use of.
The accompanying drawing explanation
Fig. 1 is that the utility model partly cuts open structural representation.
Mark and corresponding parts title in accompanying drawing:
The nonmetal main body of 1-, 2-zinc layer, 3-ion chamber, 4-end cap, 5-leak.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, the utility model comprises the nonmetal grounding body body, the nonmetal grounding body body comprises nonmetal main body 1, the diameter of nonmetal main body 1 is 100mm, nonmetal main body 1 integral body is cylindric, its internal cavity structures is as ion chamber 3, this ion chamber 3 is cylindric, on the nonmetal main body 1 of ion chamber 3 openends, end cap 4 is installed, end cap 4 diameters are 100mm, end cap 4 thickness 20mm, end cap 4 is threaded engagement with nonmetal main body 1 and is connected, be provided with and sew hole 5 on nonmetal main body 1, outer surface at the nonmetal grounding body body is provided with one deck zinc layer 2, zinc layer 2 adheres to by heat leak technique, its thickness is 2mm.According to the actual needs, also can change the diameter of nonmetal main body 1, end cap 4.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, the equivalent variations on every foundation technical spirit of the present utility model, above embodiment done, within all falling into protection range of the present utility model.
Claims (4)
1. the resistance device falls in a compound ground connection, comprises the nonmetal grounding body body, it is characterized in that: be provided with zinc layer (2) on the surface of nonmetal grounding body body.
2. the resistance device falls in a kind of compound ground connection according to claim 1, it is characterized in that: described zinc layer (2) thickness is 35 μ m～3mm.
3. the resistance device falls in a kind of compound ground connection according to claim 1 and 2, it is characterized in that: described nonmetal grounding body body comprises nonmetal main body (1), nonmetal main body (1) inner hollow forms ion chamber (3), the two ends of nonmetal main body (1) are equipped with end cap (4), are provided with leak (5) on nonmetal main body (1).
4. the resistance device falls in a kind of compound ground connection according to claim 3, it is characterized in that: described end cap (4) is threaded connection with nonmetal main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320427597.9U CN203377384U (en) | 2013-07-18 | 2013-07-18 | A composite grounding resistance-reducing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320427597.9U CN203377384U (en) | 2013-07-18 | 2013-07-18 | A composite grounding resistance-reducing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203377384U true CN203377384U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320427597.9U Expired - Fee Related CN203377384U (en) | 2013-07-18 | 2013-07-18 | A composite grounding resistance-reducing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367936A (en) * | 2013-07-18 | 2013-10-23 | 冯明生 | Composite grounding resistance-reducing device and manufacturing method thereof |
| CN103746195A (en) * | 2014-02-10 | 2014-04-23 | 银川锦天乐防雷技术有限公司 | Special modular lightning-proof grounding device |
-
2013
- 2013-07-18 CN CN201320427597.9U patent/CN203377384U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367936A (en) * | 2013-07-18 | 2013-10-23 | 冯明生 | Composite grounding resistance-reducing device and manufacturing method thereof |
| CN103367936B (en) * | 2013-07-18 | 2015-05-20 | 冯明生 | Composite grounding resistance-reducing device and manufacturing method thereof |
| CN103746195A (en) * | 2014-02-10 | 2014-04-23 | 银川锦天乐防雷技术有限公司 | Special modular lightning-proof grounding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20190718 |