CN208607923U - A kind of compound ground connection cable - Google Patents
A kind of compound ground connection cable Download PDFInfo
- Publication number
- CN208607923U CN208607923U CN201821374597.6U CN201821374597U CN208607923U CN 208607923 U CN208607923 U CN 208607923U CN 201821374597 U CN201821374597 U CN 201821374597U CN 208607923 U CN208607923 U CN 208607923U
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- CN
- China
- Prior art keywords
- resistant coating
- erosion resistant
- ground connection
- grounding cable
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims abstract description 48
- 238000000576 coating method Methods 0.000 claims abstract description 48
- 230000003628 erosive effect Effects 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000005275 alloying Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 24
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 2
- 239000010931 gold Substances 0.000 claims 2
- 229910052737 gold Inorganic materials 0.000 claims 2
- 239000004020 conductor Substances 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 9
- 239000004033 plastic Substances 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The utility model discloses a kind of compound ground connection cables, the first erosion resistant coating that the compound ground connection cable includes grounding cable and is coated on the outside of grounding cable, first erosion resistant coating is conductive layer of the extrusion moulding on grounding cable outer wall, the inside of the first erosion resistant coating is set to form sealing, and first erosion resistant coating setting it is at least one layer of, the grounding cable is made of metal simple-substance or alloying metal, and first erosion resistant coating is conductive rubber layer or conducting plastics layer.The compound ground connection cable of the utility model coats one or more layers conductive erosion resistant coating on the surface of grounding cable, there is preferable corrosion resistant performance using conductive rubber or conductive plastics, grounding cable in ensuring to be coated on by erosion resistant coating is not easy because of external environment corrosion electric conductivity, grounding cable uses metallic conductor simultaneously, its short-circuit capacity of resistance to high current is very strong, even if in the higher soil of ground resistance, diffusing effectively can also be carried out to thunder energy, structure is simple, earthing effect is good, easy to use.
Description
Technical field
The utility model relates to electric system Lightning protection fields, and in particular to a kind of compound ground connection cable.
Background technique
In electric railway system, the ground connection performance superiority and inferiority and reliability of earthing or grounding means, not only affect electrical equipment,
The normal effective operation and personal safety of the electric utilities such as communication apparatus, are also directly related to railway control signal, communication signal
Timely, accurate, reliable delivery.Therefore, railway earthing or grounding means is same aobvious to the safety of railway locomotive, high speed, planned operation
It obtains particularly significant.
Currently, the grounding cable of railway earthing or grounding means, is all using as made of the single metal materials such as copper or steel
These metallic ground cables are embedded in underground or are connected between electric utility by exposed cable, when use.The laying of this spline structure
Grounding cable, due to be chronically at humidity or laying environment rich in electrolyte in, easily there is the corrosion being grounded and oxidation.
And it is grounded the etching of oxides of superficial layer, electric conductivity is very poor, and with the extension of time and lays the bad of environment
Change, oxide layer will also constantly thicken, and effective grounding metal then increasingly attenuates, so that ground resistance sharply increases, uses the longevity
Life is greatly reduced, and ultimately causes the blocking of ground line and the earth, leads to earthing failure.
Utility model content
The purpose of this utility model is to provide a kind of compound ground connection cables, are not easy to prevent to solve existing grounding cable
Rotten problem.
To achieve the above object, the utility model embodiment provides a kind of compound ground connection cable, and the compound ground connection cable includes
Grounding cable and the first erosion resistant coating being coated on the outside of grounding cable, first erosion resistant coating are extrusion moulding outside grounding cable
Conductive layer on wall makes the inside of the first erosion resistant coating form sealing, and the setting of the first erosion resistant coating is at least one layer of.
It needs to keep the conduction with ground since ground connection cable is usually directly to be embedded to underground by using above-mentioned technical proposal
Property it is good, therefore existing earthing pole be typically all by galvanized steel, copper, copper cover the materials such as steel composition cable directly it is exposed
Embedment underground is connected between electric utility, for a long time in the moist or laying environment rich in electrolyte, is easy to be corroded
Oxidation, causes the electric conductivity of earthing pole to weaken, the compound ground connection cable of the utility model coats one layer on the surface of grounding cable
Or the conductive erosion resistant coating of multilayer, there is preferable corrosion resistant performance using conductive rubber or conductive plastics, it is ensured that coated by erosion resistant coating
Grounding cable inside is not easy because of external environment corrosion electric conductivity, while grounding cable uses metallic conductor, resistance to big
Short circuit current is very capable, even if effectively diffusing, structure can also be carried out to thunder energy in the higher soil of ground resistance
Simply, earthing effect is good, easy to use.
Further, conductive adhesive layer is coated between the first erosion resistant coating of multilayer on the outside of the grounding cable.
By using above-mentioned technical proposal, so that each first erosion resistant coating 2 is close together using conductive adhesive layer, make anti-corrosion thickness
Real sealing, improves the rotproofness of ground connection cable.
Further, first erosion resistant coating is conductive rubber layer.
By using above-mentioned technical proposal, since conductive rubber layer has preferable chemical stability, and have ideal
Electric conductivity, inoxidizability and flexibility improve Earthing Reliability, effectively extend grounding cable to be convenient to use
Service life.
Further, first erosion resistant coating is conducting plastics layer.
By using above-mentioned technical proposal, since conducting plastics layer has preferable chemical stability, and have ideal
Electric conductivity, inoxidizability and flexibility improve Earthing Reliability, effectively extend grounding cable to be convenient to use
Service life.
Further, the grounding cable is made of metal simple-substance or alloying metal.
Further, the grounding cable is the metallic object that a diameter range is 5-10mm.
Further, the grounding cable arranges to be formed for more one metal wire tight beams, and on the outer wall of every one metal wire
It is coated with the second erosion resistant coating.
Further, second erosion resistant coating is conductive metal layer.
Further, the linear array of more one metal wires in the grounding cable or circular array distribution.
By using above-mentioned technical proposal, since existing many grounding bodies are generally for the rotproofness for improving conductor, meeting
Grounding body, but the energy of the resistance to high current short circuit of non-metal conductor are knitted to form using the preferable nonmetallic materials of the rotproofness such as graphite
Power is poor compared to metallic conductor, and this programme uses metallic conductor, improves it and is grounded electric conductivity, keeps its application more extensive.
The utility model embodiment has the advantages that
The compound ground connection cable of the utility model coats one or more layers conductive erosion resistant coating on the surface of grounding cable, benefit
There is preferable corrosion resistant performance with conductive rubber or conductive plastics, it is ensured that by erosion resistant coating be coated in grounding cable be not easy because
External environment corrosion electric conductivity, while grounding cable uses metallic conductor, the short-circuit capacity of resistance to high current is very strong, even if
In the higher soil of ground resistance, diffusing effectively can also be carried out to thunder energy, structure is simple, and earthing effect is good, user
Just.
Detailed description of the invention
Fig. 1 is the cross-sectional structure schematic diagram of the compound ground connection cable of the utility model embodiment.
Fig. 2 is the structural schematic diagram of embodiment 2.
Fig. 3 is the structural schematic diagram of the grounding cable of embodiment 2.
In figure, 1, grounding cable；2, the first erosion resistant coating；3, conductive adhesive layer；4, the second erosion resistant coating.
Specific embodiment
The following examples illustrate the utility model, but is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, the utility model provides a kind of compound ground connection cable, including grounding cable 1 and it is coated on ground connection cable
First erosion resistant coating 2 in 1 outside of line.Wherein grounding cable 1 is made of metal simple-substance or alloying metal, due to existing many ground connection
Body can be knitted to form grounding body using preferable nonmetallic materials of rotproofness such as graphite generally for the rotproofness for improving conductor,
But the ability of its resistance to high current short circuit is poor compared to metallic conductor, therefore the grounding cable 1 of this programme is selected as a diameter range
For the metallic object of 5-10mm, the first erosion resistant coating 2 is conductive layer of the extrusion moulding on 1 outer wall of grounding cable, makes the first erosion resistant coating 2
Inside form sealing without leakage, to make grounding cable 1 and extraneous partition completely, it is avoided to be oxidized and corrode, to keep
Its reliable ground connection performance.Wherein the first erosion resistant coating 2 can also first process packaged tube, then be coated on 1 outer wall of grounding cable, and
The average thickness of first erosion resistant coating 2 is in 1mm or so.In order to ensure the first erosion resistant coating 2 has a preferable antiseptic property, preferred the
One erosion resistant coating 2 can be preferably conductive rubber layer or conducting plastics layer, and at least one layer is arranged in the first erosion resistant coating 2, due to leading
Electric rubber layer or conducting plastics layer have preferable chemical stability, and have ideal electric conductivity, inoxidizability and flexibility, from
And be convenient to use, Earthing Reliability is improved, the service life of grounding cable is effectively extended.It is anti-when being equipped with multilayer first
When rotten layer 2, it is coated with conductive adhesive layer 3 between every the first adjacent erosion resistant coating 2 and is close together for each first erosion resistant coating 2,
Improve the rotproofness of ground connection cable.
Embodiment 2
Difference from Example 1 is that grounding cable 1 is that more one metal wire tight beams arrange to be formed, wherein more metals
The linear array of silk or circular array distribution, the structure being mutually twisted by more one metal wires had both made each copper core tightly around circle, surely
Fixed arrangement, obtains ideal cable overall mechanical strength and stable electrical property；Cable is set to keep certain flexibility again,
To adapt to the actual needs of various cable laying operations, meet the equipotential link of more electrical equipments, radical, the diameter of wire can roots
Be designed and adjust according to particular condition in use, the material of same wire can also according to the electrical performance indexes of ground connection, and
Design is determined as the metal core wires such as aluminum core wire, steel core wire.The second erosion resistant coating 4 is also coated on the outer wall of every one metal wire,
Second erosion resistant coating 4 is conductive metal layer, including but not limited to zinc-plated, copper etc..Utilize the first erosion resistant coating 2 and the second erosion resistant coating 4
Double layer anticorrosive technology improves the anti-corrosive properties of ground connection cable, removes the ground connection suitable for Railway Electric facility convenient for this ground connection cable, equally
It is also applied for the ground connection in the places such as electric system, high-rise, petrochemical industry, machining equipment.
The compound ground connection cable of the utility model coats one or more layers conductive erosion resistant coating on the surface of grounding cable 1,
There is preferable corrosion resistant performance using conductive rubber or conductive plastics, it is ensured that interior grounding cable 1 is coated on by erosion resistant coating and is not allowed
Easily because of external environment corrosion electric conductivity, while grounding cable 1 uses metallic conductor, and the short-circuit capacity of resistance to high current is very strong,
Even if effectively diffusing can also be carried out to thunder energy in the higher soil of ground resistance, structure is simple, and earthing effect is good,
It is easy to use.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (9)
1. a kind of compound ground connection cable, it is characterised in that: the compound ground connection cable includes grounding cable (1) and is coated on grounding cable
(1) the first erosion resistant coating (2) on the outside of, first erosion resistant coating (2) are conduction of the extrusion moulding on grounding cable (1) outer wall
Layer makes the inside of the first erosion resistant coating (2) form sealing, and the first erosion resistant coating (2) setting is at least one layer of.
2. a kind of compound ground connection cable according to claim 1, it is characterised in that: the multilayer on the outside of the grounding cable (1)
Conductive adhesive layer (3) are coated between first erosion resistant coating (2).
3. a kind of compound ground connection cable according to claim 1, it is characterised in that: first erosion resistant coating (2) is conductive rubber
Glue-line.
4. a kind of compound ground connection cable according to claim 1, it is characterised in that: first erosion resistant coating (2) is conductive modeling
The bed of material.
5. a kind of compound ground connection cable according to claim 1, it is characterised in that: the grounding cable (1) is metal simple-substance
Or alloying metal is made.
6. a kind of compound ground connection cable according to claim 5, it is characterised in that: the grounding cable (1) is a diameter
Range is the metallic object of 5-10mm.
7. a kind of compound ground connection cable according to claim 5, it is characterised in that: the grounding cable (1) is more metals
Silk tight beam arranges to be formed, and the second erosion resistant coating (4) are coated on the outer wall of every one metal wire.
8. a kind of compound ground connection cable according to claim 7, it is characterised in that: second erosion resistant coating (4) is conductive gold
Belong to layer.
9. a kind of compound ground connection cable according to claim 7, it is characterised in that: more gold in the grounding cable (1)
Belong to the linear array of silk or circular array distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374597.6U CN208607923U (en) | 2018-08-24 | 2018-08-24 | A kind of compound ground connection cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821374597.6U CN208607923U (en) | 2018-08-24 | 2018-08-24 | A kind of compound ground connection cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208607923U true CN208607923U (en) | 2019-03-15 |
Family
ID=65679646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821374597.6U Expired - Fee Related CN208607923U (en) | 2018-08-24 | 2018-08-24 | A kind of compound ground connection cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208607923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065224A (en) * | 2018-08-24 | 2018-12-21 | 武汉中洋博宇科技发展有限公司 | A kind of compound ground connection cable |
-
2018
- 2018-08-24 CN CN201821374597.6U patent/CN208607923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109065224A (en) * | 2018-08-24 | 2018-12-21 | 武汉中洋博宇科技发展有限公司 | A kind of compound ground connection cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190703 Address after: 430014 C7 Zhuoer Enterprise Community, Panlongcheng Economic Development Zone, Huangpi District, Wuhan City, Hubei Province Patentee after: WUHAN YUTONG TECHNOLOGY Co.,Ltd. Address before: 430014 Room 1320, Building C1, Space Star Capital, Erqi Street, Jiangan District, Wuhan City, Hubei Province Patentee before: WUHAN ZHONGYANG BOYU TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| 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: 20190315 |