CN203013952U - Copper clad steel grounding wire - Google Patents
Copper clad steel grounding wire Download PDFInfo
- Publication number
- CN203013952U CN203013952U CN 201220674234 CN201220674234U CN203013952U CN 203013952 U CN203013952 U CN 203013952U CN 201220674234 CN201220674234 CN 201220674234 CN 201220674234 U CN201220674234 U CN 201220674234U CN 203013952 U CN203013952 U CN 203013952U
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- grounding wire
- copper
- copper layer
- steel core
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Abstract
The utility model belongs to the technical field of an electric power system safety device, relates to a grounding wire and especially relates to a copper clad steel grounding wire. The copper clad steel grounding wire comprises a grounding wire body, wherein the grounding wire body comprises a steel core (1) and a copper layer (2) wrapped at an outer side of the steel core (1), wherein the grounding wire is twisted wire formed by braiding a single strand grounding wire body or multiple strand grounding wire bodies, or the grounding wire is a flat braiding layer formed by braiding multiple stand grounding wire bodies, thickness of the copper layer (2) is 0.025mm to 10.0mm, and the copper layer (2) is wrapped at the outer side of the steel core (1) through electroforming, or electroplating, or cladding or continuous casting. The copper clad steel grounding wire makes full use of excellent conductive performances and long service life of the copper layer and low price of the steel core, integrates advantages of the copper layer and the steel core, can greatly save engineering cost while safety and reliability are guaranteed, substantially prolongs service life, realizes maintenance-free mounting and has excellent application prospects in 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 connection, relates in particular to a kind of copper-clad steel grounding wire.
Background technology
Traditionally, the lightning protection line adopts galvanized steel or fine copper more, and 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 connections, 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-clad steel grounding wire 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-clad steel grounding wire comprises the earth connection body, and the earth connection body 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 line of excellent combination property.
As preferably, a kind of copper-clad steel grounding wire of the present utility model, the flat braid that the twisted wire that forms for sub-thread earth connection body or the braiding of multiply earth connection body or multiply earth connection body are woven into.It can be both the earth connection that sub-thread earth connection body forms; It can be again the rope-lay strand that the braiding of multiply earth connection body forms, what be woven into as seven strands of earth connection bodies is seven strands of copper covered steel twisted wire earth connections, what 19 strands of earth connection bodies were woven into is 19 strands of copper covered steel twisted wire earth connections, by that analogy, also have 37 strands of twisted wires and 60 one twisted wires etc.; It can also be the flat braid that multiply earth connection body is woven into.
As preferably, the thickness of copper layer is 0.025~10.0mm.According to " kelvin effect ", when earth connection 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 ground lead resistance can not change, and can realize non-maintaining installation, and obviously lengthen useful life.Therefore, selecting the thickness of copper layer is 0.025~10.0mm, considers and selectes through the earth connection combination property.
As preferably, the thickness of copper layer further is chosen as 0.25~1.0mm.
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 connection mutually.
The utility model discloses a kind of copper-clad steel grounding wire, 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 line 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-clad steel grounding wire described in the utility model.
In figure: 1-steel core, 2-copper layer.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment
A kind of copper-clad steel grounding wire as shown in Figure 1, comprises steel core 1 and the copper layer 2 that is wrapped in steel core 1 outside.
A kind of copper-clad steel grounding wire of the present utility model can be sub-thread earth connection body, can be also the twisted wire that the braiding of multiply earth connection body forms, and can also be the flat braid that multiply earth connection body is woven into.What select in the present embodiment is sub-thread earth connection body.
The thickness of copper layer 2 is 0.5mm.
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 (5)
1. a copper-clad steel grounding wire, comprise the earth connection body, it is characterized in that: the earth connection body comprises steel core (1) and is wrapped in the copper layer (2) in steel core (1) outside.
2. a kind of copper-clad steel grounding wire according to claim 1 is characterized in that: the flat braid that the twisted wire that forms for sub-thread earth connection body or the braiding of multiply earth connection body or multiply earth connection body are woven into.
3. a kind of copper-clad steel grounding wire according to claim 1, it is characterized in that: the thickness of copper layer (2) is 0.025~10.0mm.
4. a kind of copper-clad steel grounding wire according to claim 3, it is characterized in that: the thickness of copper layer (2) is 0.25~1.0mm.
5. a kind of copper-clad steel grounding wire according to claim 1 is characterized in that: copper layer (2) is wrapped in steel core (1) outside by electroforming or plating or coating or continuous casting.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220674234 CN203013952U (en) | 2012-12-05 | 2012-12-05 | Copper clad steel grounding wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220674234 CN203013952U (en) | 2012-12-05 | 2012-12-05 | Copper clad steel grounding wire |
Publications (1)
Publication Number | Publication Date |
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CN203013952U true CN203013952U (en) | 2013-06-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220674234 Expired - Fee Related CN203013952U (en) | 2012-12-05 | 2012-12-05 | Copper clad steel grounding wire |
Country Status (1)
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CN (1) | CN203013952U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106085999A (en) * | 2016-06-06 | 2016-11-09 | 新疆大学 | A kind of chemical reaction prepares the method for nano porous active carbon immobilization laccase |
-
2012
- 2012-12-05 CN CN 201220674234 patent/CN203013952U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106085999A (en) * | 2016-06-06 | 2016-11-09 | 新疆大学 | A kind of chemical reaction prepares the method for nano porous active carbon immobilization laccase |
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Legal Events
Date | Code | Title | Description |
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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 |