CN203013950U - Copper-clad steel grounding electrode - Google Patents
Copper-clad steel grounding electrode Download PDFInfo
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- CN203013950U CN203013950U CN 201220665016 CN201220665016U CN203013950U CN 203013950 U CN203013950 U CN 203013950U CN 201220665016 CN201220665016 CN 201220665016 CN 201220665016 U CN201220665016 U CN 201220665016U CN 203013950 U CN203013950 U CN 203013950U
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- steel
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- grounding
- earth
- copper layer
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Abstract
The utility model belongs to the technical field of an electric power system safety device, relates to a grounding electrode and especially relates to a copper-clad steel grounding electrode. The copper-clad steel grounding electrode comprises a steel tip, grounding rods and a steel cap, wherein two ends of the grounding rod are respectively provided with external threads, a connection portion of the steel tip and the steel cap is provided with internal threads, one end of the grounding rods is connected with the steel tip, the other end of the grounding rods is connected with the steel cap, the grounding rod comprises a steel core and a copper layer wrapped outside the steel core and further comprises a connection tube, two ends of the connection tube are respectively provided with internal threads, and the grounding rods are connected through the connection tube. The copper-clad steel grounding electrode integrates two for making full use of excellent conductive performance and long service life of the copper layer and low price of the steel core, can greatly save engineering cost while safety reliability is guaranteed, prolongs service life, realizes maintenance-free mounting and has great application prospects in the technical field of the electric power system safety device.
Description
Technical field
The utility model belongs to power system security device technology field, relates to a kind of earth electrode, relates in particular to a kind of copper covered steel earth electrode.
Background technology
As the conducting element group that is placed in the earth or seawater, the lightning protection utmost point provide DC circuit a bit and the low impedance path between the earth, the ability by electric current is arranged within a certain period of time continuously.
Earth electrode is a kind of for guaranteeing personal safety and the essential device that configures of the normal operation of electric equipment.Past, because the nonferrous production supply is more nervous, earth electrode is all to adopt steel pipe, angle steel or other steel materials usually, steel material is at embedded underground, contains the element of corrosion of metals morely due to underground, and earth electrode is driven underground very fast with post-etching, although adopt the steel material of plating zinc on surface, the speed of its corrosion can be slowed down relatively, if but weld bond place's preservative treatment not at that time, this place will become the breach of corrosion.
Traditionally, extremely galvanized steel or the fine copper of adopting of lightning protection more, with regard to electric conductivity and useful life, galvanized steel is not as pure copper wire, but pure copper wire is expensive, not as galvanized steel economy.Due to above-mentioned shortcoming, people have researched and developed some novel earth electrodes, the Chinese patent that is 201120066632.X such as application number discloses a kind of lightning-proof grounding body, stainless steel bar external application graphite line layer, be provided with the locking wire hoop at graphite line layer two ends, stainless steel bar two ends arrange the joint that is connected with other member.Prior art is heavy although this lightning-proof grounding body has solved to a certain extent, the problems such as installation is difficult, poor electric conductivity, and graphite matter is soft, and density is little, is difficult to satisfy the requirement of strength of electric power system, still has potential safety hazard.
Summary of the invention
The purpose of this utility model is can not make the best of both worlds in the electric conductivity, price and the useful life that overcome galvanized steel in prior art or fine copper, stainless steel bar external application graphite line layer is difficult to again reach the defective of requirement of strength, provide a kind of and can bear good electric conductivity as copper, the intensity that steel is arranged again, and can greatly save the copper covered steel earth electrode of project cost when assurance is safe and reliable.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
A kind of copper covered steel earth electrode comprises steel point, earth rod and steel cap, and earth rod two ends are equipped with external screw thread, the link of steel point and steel cap is equipped with internal thread, earth rod one end is connected with the steel point, and the other end is connected with the steel cap, and earth rod comprises steel core and is wrapped in the copper layer in the steel core outside.Can take full advantage of the good electric conductivity of copper layer and useful life, and the cheap price of steel core, both are organically combined, obtain the lightning protection utmost point of excellent combination property.Earth rod is cylinder, and two ends are equipped with external screw thread, conveniently is connected with the steel cap with the steel point.
As preferably, a kind of copper covered steel earth electrode of the present utility model also comprises tube connector, and tube connector two ends are equipped with internal thread, is connected by tube connector between earth rod and earth rod.When burying earth electrode underground, often need many earth rods connections to lengthen, by tube connector connect between many earth rods this moment.
As preferably, the thickness of copper layer is 0.025～10.0mm.According to " kelvin effect ", when earth electrode surface copper layer reaches certain thickness, the steel core current-carrying is small, utilize the intensity of steel core to deliver to the copper layer underground, the surface copper layer can the corrosion phenomenon, thereby As time goes on earth electrode resistance can not change, and can realize non-maintaining installation, and obviously lengthen useful life.Therefore, selecting the thickness of copper layer is 0.25～1.0mm, considers and selectes through the earth electrode combination property.
As preferably, the thickness of copper layer further is chosen as 0.25～1.0mm.
As preferably, the external diameter of earth rod is 12～25mm.
As preferably, the copper layer is wrapped in the steel core outside by electroforming or plating or coating or continuous casting.Electroforming or plating or coating or continuous casting all can be integral steel core and the combination of copper layer, and performance advantage separately, be greatly enhanced the combination property of earth electrode mutually.
The utility model discloses a kind of copper covered steel earth electrode, take full advantage of the good electric conductivity of copper layer and useful life, and the cheap price of steel core, both are organically combined, obtain to bear good electric conductivity as copper, the intensity that steel is arranged again, and can greatly save project cost when assurance is safe and reliable, useful life is the lightning protection utmost point of the excellent combination property such as lengthening obviously, and realized non-maintaining installation, the utility model has good application prospect in power system security device technology field.
Description of drawings
Fig. 1 is the structural representation of a kind of copper covered steel earth electrode of the utility model.
Fig. 2 is the structural representation of earth rod in the utility model.
In figure: 1-steel cap, 2-earth rod, 3-tube connector, 4-steel point, 11-steel core, 12-copper layer.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment
A kind of copper covered steel earth electrode, as shown in Fig. 1 to 2, comprise steel point 4, earth rod 2 and steel cap 1, earth rod 2 two ends are equipped with external screw thread, the link of steel point 4 and steel cap 1 is equipped with internal thread, earth rod 2 one ends are connected with steel point 4, and the other end is connected with steel cap 1, and earth rod 2 comprises steel core 11 and is wrapped in the copper layer 12 in steel core 11 outsides.
A kind of copper covered steel earth electrode of the present utility model also comprises tube connector 3, and tube connector 3 two ends are equipped with internal thread, is connected by tube connector 3 between earth rod 2 and earth rod 2.
The thickness of copper layer 2 is 0.3mm.
The external diameter of earth rod 2 is 16mm.
Copper layer 2 is wrapped in steel core 1 outside by plating.
In a word, the above is only preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (6)
1. copper covered steel earth electrode, comprise steel point (4), earth rod (2) and steel cap (1), earth rod (2) two ends are equipped with external screw thread, the link of steel point (4) and steel cap (1) is equipped with internal thread, earth rod (2) one ends are connected with steel point (4), the other end is connected with steel cap (1), it is characterized in that: earth rod (2) comprises steel core (11) and is wrapped in the copper layer (12) in steel core (11) outside.
2. a kind of copper covered steel earth electrode according to claim 1 is characterized in that: also comprise tube connector (3), tube connector (3) two ends are equipped with internal thread, are connected by tube connector (3) between earth rod (2) and earth rod (2).
3. a kind of copper covered steel earth electrode according to claim 1, it is characterized in that: the thickness of copper layer (12) is 0.025～10.0mm.
4. a kind of copper covered steel earth electrode according to claim 3, it is characterized in that: the thickness of copper layer (12) is 0.25～1.0mm.
5. a kind of copper covered steel earth electrode according to claim 1, it is characterized in that: the external diameter of earth rod (2) is 12～25mm.
6. a kind of copper covered steel earth electrode according to claim 1 is characterized in that: copper layer (12) is wrapped in steel core (11) outside by electroforming or plating or coating or continuous casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665016 CN203013950U (en) | 2012-12-05 | 2012-12-05 | Copper-clad steel grounding electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220665016 CN203013950U (en) | 2012-12-05 | 2012-12-05 | Copper-clad steel grounding electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013950U true CN203013950U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220665016 Expired - Fee Related CN203013950U (en) | 2012-12-05 | 2012-12-05 | Copper-clad steel grounding electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013950U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872467A (en) * | 2014-04-04 | 2014-06-18 | 江苏正方园建设集团有限公司 | Copper plating steel lightning-protection air-termination band |
| CN103996909A (en) * | 2014-05-21 | 2014-08-20 | 国网河南省电力公司漯河供电公司 | Anti-corrosion and anti-theft grounding electrode |
| CN111416220A (en) * | 2020-04-20 | 2020-07-14 | 广德克莱德新材料技术有限公司 | Copper-clad steel grounding rod, manufacturing method thereof and lightning protection grounding device |
| CN111628304A (en) * | 2020-06-29 | 2020-09-04 | 国网河南省电力公司经济技术研究院 | Grounding grid system construction method |
-
2012
- 2012-12-05 CN CN 201220665016 patent/CN203013950U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872467A (en) * | 2014-04-04 | 2014-06-18 | 江苏正方园建设集团有限公司 | Copper plating steel lightning-protection air-termination band |
| CN103996909A (en) * | 2014-05-21 | 2014-08-20 | 国网河南省电力公司漯河供电公司 | Anti-corrosion and anti-theft grounding electrode |
| CN111416220A (en) * | 2020-04-20 | 2020-07-14 | 广德克莱德新材料技术有限公司 | Copper-clad steel grounding rod, manufacturing method thereof and lightning protection grounding device |
| CN111628304A (en) * | 2020-06-29 | 2020-09-04 | 国网河南省电力公司经济技术研究院 | Grounding grid system construction method |
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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 |
Granted publication date: 20130619 Termination date: 20141205 |
|
| EXPY | Termination of patent right or utility model |