CN211265101U - Durable insect and ant prevention power cable - Google Patents
Durable insect and ant prevention power cable Download PDFInfo
- Publication number
- CN211265101U CN211265101U CN202020226145.4U CN202020226145U CN211265101U CN 211265101 U CN211265101 U CN 211265101U CN 202020226145 U CN202020226145 U CN 202020226145U CN 211265101 U CN211265101 U CN 211265101U
- Authority
- CN
- China
- Prior art keywords
- layer
- density polyethylene
- power cable
- ant
- copper
- 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.)
- Expired - Fee Related
Links
- 241000238631 Hexapoda Species 0.000 title claims abstract description 21
- 230000002265 prevention Effects 0.000 title description 5
- 229910000077 silane Inorganic materials 0.000 claims abstract description 33
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 31
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 31
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 239000002131 composite material Substances 0.000 claims abstract description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000004677 Nylon Substances 0.000 claims abstract description 14
- 229920001778 nylon Polymers 0.000 claims abstract description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 14
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 229920001684 low density polyethylene Polymers 0.000 claims abstract description 11
- 239000004702 low-density polyethylene Substances 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 229920003023 plastic Polymers 0.000 claims description 18
- 239000004033 plastic Substances 0.000 claims description 18
- 238000004804 winding Methods 0.000 claims description 9
- 239000011889 copper foil Substances 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 5
- 229920002799 BoPET Polymers 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- BLDFSDCBQJUWFG-UHFFFAOYSA-N 2-(methylamino)-1,2-diphenylethanol Chemical compound C=1C=CC=CC=1C(NC)C(O)C1=CC=CC=C1 BLDFSDCBQJUWFG-UHFFFAOYSA-N 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 229920001179 medium density polyethylene Polymers 0.000 claims description 3
- 239000004701 medium-density polyethylene Substances 0.000 claims description 3
- 238000007750 plasma spraying Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 abstract 5
- 238000005253 cladding Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 68
- 241000257303 Hymenoptera Species 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000035929 gnawing Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model discloses a durable protection against insects ant power cable, including the inner conductor and the outer cladding has inner semi-conductive layer, silane grafting crosslinking low density polyethylene insulating layer, outer semi-conductive layer, copper in proper order and moulds the composite band around covering, shielding mesh conductor layer, PTFE around band layer, silane grafting crosslinking high density polyethylene inner sheath layer, nylon anticorrosive coating and silane grafting crosslinking high density polyethylene oversheath, silane grafting crosslinking high density polyethylene inner sheath layer nylon anticorrosive coating with silane grafting crosslinking high density polyethylene oversheath passes through EAA adhesive and forms three-layer sandwich sheath jointly in a laminated manner. The power cable can effectively prevent damage of worm and ant damage and biting, protects the insulating layer, improves the safety and reliability of the cable, and has excellent flexibility resistance and electrical characteristics.
Description
Technical Field
The utility model relates to a power cable technical field especially relates to a durable type protection against insects ant power cable.
Background
The laying mode of the cable is commonly a cable tunnel, a cable trench, a pipe penetrating, a direct burying and the like, and the construction quality is directly influenced by insect and ant prevention treatment in the cable laying construction process. The phenomenon that the cable is damaged by insects and ants is common, so that not only can important power supply faults and information be disordered, but also serious accidents of fire caused by electric leakage and short circuit can be caused. The existing chemical prevention method, for example, toxic chemicals are made into a medicament which is coated on a cable to form a medicament type cable to strongly kill the ants, but the treatment is not the primary cause, and the problem cannot be effectively solved even though the chemical medicament has toxicity.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art not enough, the technical problem that solve provides a durable type protection against insects ant power cable, can effectually prevent that the insect ant from corroding and gnawing the harm, and the protective insulation layer improves the fail safe nature of cable, has excellent resistant flexibility and electrical property.
The utility model discloses a make above-mentioned technical problem solve through following technical scheme.
The durable insect and ant prevention power cable comprises an inner conductor, wherein an inner semi-conducting layer, a silane grafted and crosslinked low-density polyethylene insulating layer, an outer semi-conducting layer, a copper-plastic composite tape wrapping layer, a shielding mesh-shaped conductor layer, a PTFE wrapping tape layer, a silane grafted and crosslinked high-density polyethylene inner sheath layer, a nylon anticorrosive layer and a silane grafted and crosslinked high-density polyethylene outer sheath are sequentially wrapped outside the inner conductor, and the silane grafted and crosslinked high-density polyethylene inner sheath layer, the nylon anticorrosive layer and the silane grafted and crosslinked high-density polyethylene outer sheath are laminated together through an EAA (EAA adhesive) to form a three-layer sandwich sheath.
Preferably, the inner conductor is formed by twisting a plurality of strands in a compound manner, the strands are formed by twisting a plurality of tinned copper monofilaments with the diameters of 0.02mm to 0.1mm, and the twisting direction of the strands is opposite to that of the compound strands.
Preferably, the inner semiconductive layer and the outer semiconductive layer are both LDPE, MDPE or HDPE resin semiconductive layers.
Preferably, the copper-plastic composite tape wrapping layer is of a copper-plastic composite tape gap wrapping structure, and the copper-plastic composite tape comprises a copper foil tape outer layer and a PET film inner layer.
Preferably, the shielding mesh conductor layer is formed by spirally winding and weaving polyester fiber copper foil filaments and tin-plated copper monofilaments in opposite directions.
Preferably, the thickness of the silane grafted and crosslinked low-density polyethylene insulating layer is 10 to 20 mm.
Preferably, the nylon anticorrosive layer is coated with an anticorrosive functional coating by atmospheric plasma spraying.
Preferably, the densities of the silane grafted and crosslinked high density polyethylene inner sheath layer and the silane grafted and crosslinked high density polyethylene outer sheath are both 0.85g/ml to 0.95 g/ml.
Preferably, the PTFE wrapping tape layer is a gap wrapping structure.
Preferably, the winding pitch of the PTFE wrapping layer is 2 to 4 times of the bandwidth.
The utility model has the advantages that:
1. the outer sheath is a three-layer sandwich sheath structure formed by jointly laminating a silane grafted crosslinked high-density polyethylene inner sheath layer, a nylon anticorrosive layer and a silane grafted crosslinked high-density polyethylene outer sheath through an EAA adhesive, the nylon anticorrosive layer has high hardness and can effectively prevent insects and ants from being damaged and bitten, the silane grafted crosslinked high-density polyethylene inner and outer sheath layers have better flexibility, electrical insulation and water resistance, a firm three-layer sandwich sheath structure is formed through the EAA adhesive, the interlayer stripping phenomenon is not easy to occur, the static friction coefficient of the silane grafted crosslinked high-density polyethylene is small, the flexibility and the flexing resistance of the cable are improved, the cable is strong in capability of adapting to low-temperature working condition environments, is not prone to cracking and has excellent flexing resistance.
2. Copper plastic composite band winds the covering, shielding mesh conductor layer can effectual suppression inside signal or noise leak to the outside and restrain the interference that comes from external signal, copper plastic composite band includes copper foil belt skin and PET film inlayer, make this shielding layer be difficult for appearing the phenomenon of splitting, shielding mesh conductor layer effectively suppresses the copper plastic composite band and winds the easy not smooth phenomenon of the inflection that appears when covering, and then, improve the stability of reinforcing shielding characteristic, and shielding mesh conductor layer can with copper plastic composite band good contact, guarantee effectual shielding performance.
3. The PTFE is adopted to wind the belting layer, the friction coefficient is small, the stress concentration of the copper-plastic composite belt lapping layer and the shielding net-shaped conductor layer is reduced, the torque force during bending is reduced, and the flexibility resistance and the durability are improved.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present application.
In the figure: 1-inner conductor, 2-inner semi-conducting layer, 3-silane grafted crosslinked low-density polyethylene insulating layer, 4-outer semi-conducting layer, 5-copper-plastic composite tape wrapping layer, 6-shielding mesh conductor layer, 7-PTFE wrapping tape layer, 8-silane grafted crosslinked high-density polyethylene inner sheath layer, 9-nylon anticorrosive layer and 10-silane grafted crosslinked high-density polyethylene outer sheath.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses durable type protection against insects ant power cable, including inner conductor 1, specific theory, inner conductor 1 is that a plurality of strands twist repeatedly constitutes, the strand comprises a plurality of diameters for 0.02mm to 0.1mm tin-plated copper monofilament transposition, the hank of strand to with compound stranded wire's hank is to opposite.
The outer part of the inner conductor 1 is sequentially coated with an inner semi-conducting layer 2, a silane grafted cross-linked low-density polyethylene insulating layer 3, an outer semi-conducting layer 4, a copper-plastic composite tape wrapping layer 5, a shielding mesh-shaped conductor layer 6, a PTFE (polytetrafluoroethylene) wrapping tape layer 7, a silane grafted cross-linked high-density polyethylene inner sheath layer 8, a nylon anticorrosive layer 9 and a silane grafted cross-linked high-density polyethylene outer sheath 10. Preferably, the inner semiconductive layer 2 and the outer semiconductive layer 4 are both LDPE, MDPE or HDPE resin semiconductive layers. Specifically, the copper-plastic composite tape wrapping layer 5 is of a copper-plastic composite tape gap wrapping structure, and the copper-plastic composite tape comprises a copper foil tape outer layer and a PET film inner layer. The shielding mesh-shaped conductor layer 6 is formed by weaving polyester fiber copper foil wires and tin-plated copper monofilaments in a reverse spiral winding mode. Preferably, the thickness of the silane-grafted cross-linked low-density polyethylene insulation layer 3 is 10 to 20 mm. Preferably, the PTFE wrapping layer 7 is a gap wrapping structure, and further, the winding pitch of the PTFE wrapping layer 7 is 2 to 4 times of the bandwidth.
The silane grafted and crosslinked high-density polyethylene inner sheath layer 8, the nylon anticorrosive layer 9 and the silane grafted and crosslinked high-density polyethylene outer sheath 10 are laminated together through an EAA adhesive to form a three-layer sandwich sheath. Further, an anti-corrosion functional coating is formed on the nylon anti-corrosion layer 9 through atmospheric plasma spraying. Preferably, the silane-grafted cross-linked high density polyethylene inner sheath layer 8 and the silane-grafted cross-linked high density polyethylene outer sheath 10 both have a density of 0.85g/ml to 0.95 g/ml.
While the invention has been described with reference to exemplary embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the claims of the present application belong to the protection scope of the present invention.
Claims (10)
1. Durable type protection against insects ant power cable, characterized by: the novel cable comprises an inner conductor (1) and a three-layer sandwich sheath formed by sequentially coating an inner semi-conducting layer (2), a silane grafted cross-linked low-density polyethylene insulating layer (3), an outer semi-conducting layer (4), a copper-plastic composite tape wrapping layer (5), a shielding mesh conductor layer (6), a PTFE (polytetrafluoroethylene) wrapping tape layer (7), a silane grafted cross-linked high-density polyethylene inner sheath layer (8), a nylon anticorrosive layer (9) and a silane grafted cross-linked high-density polyethylene outer sheath (10) on the outer side of the inner conductor (1), wherein the silane grafted cross-linked high-density polyethylene inner sheath layer (8), the nylon anticorrosive layer (9) and the silane grafted cross-linked high-density polyethylene outer sheath (10) are laminated together through an EAA (EAA) adhesive.
2. The durable insect and ant protected power cable of claim 1, wherein: the inner conductor (1) is formed by twisting a plurality of strands in a compound manner, the strands are formed by twisting a plurality of tinned copper monofilaments with the diameters of 0.02mm to 0.1mm, and the twisting direction of the strands is opposite to that of the compound strands.
3. The durable insect and ant protected power cable of claim 1, wherein: the inner semi-conducting layer (2) and the outer semi-conducting layer (4) are both LDPE, MDPE or HDPE resin semi-conducting layers.
4. The durable insect and ant protected power cable of claim 1, wherein: the copper-plastic composite tape wrapping layer (5) is of a copper-plastic composite tape gap wrapping structure, and the copper-plastic composite tape comprises a copper foil tape outer layer and a PET film inner layer.
5. The durable insect and ant protected power cable of claim 1, wherein: the shielding mesh-shaped conductor layer (6) is formed by spirally winding and weaving polyester fiber copper foil filaments and tin-plated copper monofilaments in opposite directions.
6. The durable insect and ant protected power cable of claim 1, wherein: the thickness of the silane grafted cross-linked low-density polyethylene insulating layer (3) is 10-20 mm.
7. The durable insect and ant protected power cable of claim 1, wherein: and an anti-corrosion functional coating is formed on the nylon anti-corrosion layer (9) through atmospheric plasma spraying.
8. The durable insect and ant protected power cable of claim 1, wherein: the density of the silane grafted and crosslinked high-density polyethylene inner sheath layer (8) and the density of the silane grafted and crosslinked high-density polyethylene outer sheath (10) are both 0.85g/ml to 0.95 g/ml.
9. The durable insect and ant protected power cable of claim 1, wherein: the PTFE winding band layer (7) is of a gap winding structure.
10. The durable insect and ant protected power cable of claim 1, wherein: the winding distance of the PTFE winding and wrapping layer (7) is 2 to 4 times of the bandwidth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226145.4U CN211265101U (en) | 2020-02-28 | 2020-02-28 | Durable insect and ant prevention power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020226145.4U CN211265101U (en) | 2020-02-28 | 2020-02-28 | Durable insect and ant prevention power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265101U true CN211265101U (en) | 2020-08-14 |
Family
ID=71960752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020226145.4U Expired - Fee Related CN211265101U (en) | 2020-02-28 | 2020-02-28 | Durable insect and ant prevention power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211265101U (en) |
-
2020
- 2020-02-28 CN CN202020226145.4U patent/CN211265101U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200814 |