CN220357840U - Water-blocking dampproof power cable - Google Patents
Water-blocking dampproof power cable Download PDFInfo
- Publication number
- CN220357840U CN220357840U CN202321403675.1U CN202321403675U CN220357840U CN 220357840 U CN220357840 U CN 220357840U CN 202321403675 U CN202321403675 U CN 202321403675U CN 220357840 U CN220357840 U CN 220357840U
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- CN
- China
- Prior art keywords
- layer
- water
- waterproof
- conductor
- blocking
- 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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- 239000004020 conductor Substances 0.000 claims abstract description 33
- 229920000742 Cotton Polymers 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000002131 composite material Substances 0.000 claims abstract description 16
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 239000004033 plastic Substances 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 239000002985 plastic film Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 230000008961 swelling Effects 0.000 claims description 6
- 239000007863 gel particle Substances 0.000 claims description 5
- 239000010410 layer Substances 0.000 abstract description 59
- 239000011241 protective layer Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 5
- 230000009545 invasion Effects 0.000 description 5
- 230000002421 anti-septic effect Effects 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 238000009933 burial Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The utility model relates to a water-blocking dampproof power cable, which comprises a plurality of groups of insulating wire cores, wherein each insulating wire core comprises a conductor and an insulating layer arranged outside the conductor, each conductor comprises a plurality of stranded round monofilaments, a gap between two adjacent round monofilaments is filled with waterproof anticorrosion paste, a copper-plastic composite tape wrapping layer is arranged outside each conductor, the copper-plastic composite tape wrapping layer is externally extruded with an insulating layer, the plurality of groups of insulating wire cores are twisted into a cable core, a water-blocking dampproof cotton filling layer is filled in a gap of the cable core, a moisture-discharging steel pipe is arranged in the water-blocking dampproof cotton filling layer, a water-blocking dampproof wrapping tape layer is arranged outside the cable core, an inner liner layer is arranged outside the water-blocking dampproof wrapping tape layer, a first waterproof anticorrosion layer is coated outside the inner liner layer, an outer protective layer is arranged outside the first waterproof anticorrosion layer, and a second waterproof anticorrosion layer is coated outside the outer protective layer. The utility model has high water resistance, prevents moisture intrusion, and has anti-corrosion property.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a water-blocking and moistureproof power cable.
Background
The power cable used in towns at present is led to remote auxiliary facilities or suburbs and other places which are not easy to excavate frequently, and the laying mode mainly adopts direct burial; under urban sidewalk, the situation of easy repair or road edge is easy to repair, and the laying mode is mainly direct burial. The cable is mainly laid in a penetrating pipe mode when the cable which is exposed on the terrace and needs to be protected in the explosion dangerous place is exposed, when underground cables are crossed with roads and railways, and when the underground cables are laid on the planned sections of roads and areas which are to be used as the roads, and when the underground pipe network is used for a large number of cables such as factory areas with dense underground pipe networks, urban roads, channels with narrow traffic and difficult road excavation, and the like. The environment where the above-mentioned laying mode is located is dark and moist, and the power cable that uses at present operates under above-mentioned environment for a long time, and the cable is very easy to receive moisture invasion, makes cable operation security shine to influence, often has the accident emergence of electric breakdown. There is a need for a water and moisture resistant power cable.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model discloses a water-blocking and moistureproof power cable which has the characteristics of high water resistance, moisture invasion prevention and corrosion resistance and solves the problems in the prior art.
The utility model is realized by the following technical scheme:
the waterproof and dampproof power cable comprises a plurality of groups of insulating wire cores, wherein each insulating wire core comprises a conductor and an insulating layer arranged outside the conductor, each conductor comprises a plurality of stranded round monofilaments, gaps between two adjacent round monofilaments are filled with waterproof and anticorrosion paste, a copper-plastic composite tape wrapping layer is arranged outside each conductor, the copper-plastic composite tape wrapping layer is externally wrapped with an insulating layer in an extrusion mode, the plurality of groups of insulating wire cores are twisted into a cable core, gaps of the cable core are filled with waterproof and dampproof cotton filling layers, moisture-discharging steel pipes are arranged in the waterproof and dampproof cotton filling layers, a waterproof and dampproof wrapping tape layer is arranged outside the cable core, an inner liner layer is arranged outside the waterproof and dampproof wrapping tape layer, a first waterproof and anticorrosion layer is coated outside the inner liner layer, an outer protective layer is arranged outside the first waterproof and anticorrosion layer, and a second waterproof and anticorrosion layer is coated outside the outer protective layer.
Further optimally, the copper-plastic composite tape wrapping layer is formed by bonding a copper tape with the thickness of 0.1mm and a plastic film with the thickness of 0.05mm, and the plastic film is bonded outside the copper tape.
Further optimally, the water-blocking dampproof cotton filling layer is manufactured by embedding water-absorbing swelling gel particles in compressed cotton.
Further optimally, the moisture-removing steel pipe adopts a steel pipe with the wall thickness of 0.15mm and the inner hole diameter of 3mm, and round holes with the mutual interval of 1mm and the hole diameter of 1mm are arranged on the steel pipe.
Further optimally, the first waterproof and anticorrosive layer and the second waterproof and anticorrosive layer are both made of a double-component high polymer molecular material which uses a cyanide high polymer as a base material and is modified by an epoxy resin emulsion.
Further optimally, the waterproof and antiseptic paste is prepared by adopting high-viscosity synthetic hydrocarbon and special lubricant.
The utility model has the following beneficial effects:
1. the waterproof and anti-corrosion paste is filled in the conductor gap, so that the cable conductor has the characteristics of corrosion resistance and water resistance, oxidation of the conductor is avoided, the characteristic of long-term safe operation of the cable is improved, the copper-plastic composite tape wrapping layer is arranged outside the conductor for binding the stranded conductor, and the waterproof and anti-corrosion paste filled in the conductor is prevented from being oozed. The plastic film is adhered outside the copper strip to increase the toughness of the copper strip, prevent the strip from cracking and ensure the cable conductor to have waterproof and anticorrosion properties for a long time.
2. Through setting up dampproofing cotton and the damp-proof steel pipe of arranging in the cable core, when making the cable receive the moisture to invade, the swelling gel granule that absorbs water can absorb invasion moisture, avoids the inside invasion of moisture further toward the cable, and when the inside moisture that has of cable was gone into, the accessible damp-proof steel pipe carried the damp-proof air current of arranging, with the initiative of the interior moisture of cable discharge, makes the cable operation safer and more reliable.
3. The waterproof and anticorrosive layers are coated outside the inner liner layer and the outer protective layer, and the waterproof and anticorrosive layers are made of a double-component high polymer molecular material which is prepared by modifying epoxy resin emulsion by adopting a cyanide high polymer as a base material, and the waterproof and anticorrosive layers have long service life, weather resistance, aging resistance, oil stain resistance and certain acid resistance. Waterproof and corrosion-proof. The longitudinal waterproof and corrosion-resistant properties of the cable are improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.
FIG. 1 is a schematic diagram of the structure of the present utility model;
in the figure, 1, conductor; 2. waterproof and antiseptic paste; 3. copper-plastic composite tape wrapping layer; 4. an insulating layer; 5. a moisture removing steel pipe; 6. a water-blocking dampproof cotton filling layer; 7. a water-blocking dampproof wrapping tape layer; 8. an inner liner layer; 9. a first waterproof and anticorrosive layer; 10. an outer protective layer; 11. and a second waterproof and anticorrosive layer.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
As shown in fig. 1, a water-blocking dampproof power cable comprises a plurality of groups of insulating wire cores, wherein each insulating wire core comprises a conductor 1 and an insulating layer 4 arranged outside the conductor 1, each conductor 1 comprises a plurality of stranded round monofilaments, gaps between two adjacent round monofilaments are filled with waterproof anticorrosion paste 2, a copper-plastic composite tape wrapping layer 3 is arranged outside the conductor 1, the copper-plastic composite tape wrapping layer 3 is externally extruded with the insulating layer 4, the plurality of groups of insulating wire cores are twisted into a cable core, gaps of the cable core are filled with a water-blocking dampproof cotton filling layer 6, a moisture-draining steel pipe 5 is arranged inside the water-blocking dampproof cotton filling layer 6, a water-blocking dampproof wrapping tape layer 7 is arranged outside the cable core, an inner liner 8 is arranged outside the water-blocking dampproof wrapping tape layer 7, a first waterproof anticorrosion layer 9 is coated outside the inner liner 8, an outer protective layer 10 is arranged outside the first waterproof anticorrosion layer 9, and a second waterproof anticorrosion layer 11 is coated outside the outer protective layer 10.
The conductor 1 is formed by twisting a plurality of monofilaments, so that the conductor weakness is improved, the conductor 1 has waterproof property after the gaps of the conductor 1 are filled with waterproof and anti-corrosion paste 2, the conductor 1 is prevented from being oxidized, and the long-term safe operation property of the cable is improved; the copper-plastic composite tape wrapping layer 3 is arranged outside the conductor 1, so that the conductor 1 is tightly twisted, and the waterproof and anti-corrosion paste 2 filled in the conductor 1 is prevented from being infiltrated outwards.
In some embodiments, the copper-plastic composite tape wrapping layer 3 is formed by bonding a copper tape with the thickness of 0.1mm and a plastic film with the thickness of 0.05mm, and the plastic film is bonded outside the copper tape.
The plastic film is adhered outside the copper strip to increase the toughness of the copper strip, prevent the strip from cracking and ensure the cable conductor to have waterproof and anticorrosion properties for a long time.
In some embodiments, the water-blocking moisture-proof cotton filling layer 6 is made by embedding water-absorbing swelling gel particles in compressed cotton.
The waterproof and moistureproof cotton filling layer 6 firstly ensures the structural stability of the cable core; secondly, because the water-absorbing swelling gel particles are arranged in the cable, when the cable is invaded by moisture, the water-absorbing swelling gel particles can absorb the invasion moisture, so that the moisture is prevented from further invading into the cable.
In some embodiments, the moisture-removing steel pipes 5 are steel pipes with wall thickness of 0.15mm and inner hole diameter of 3mm, and round holes with mutual spacing of 1mm and hole diameter of 1mm are arranged on the steel pipes.
When moisture enters the cable, the moisture-discharging steel pipe 5 can be used for conveying moisture-discharging air flow, and the moisture in the cable is actively discharged, so that the cable is safer and more reliable to operate.
In some embodiments, the first waterproof and anticorrosive layer 9 and the second waterproof and anticorrosive layer 11 are made of a two-component polymer molecular material prepared by modifying an epoxy resin emulsion with a cyanide-curable polymer as a base material.
Has long service life, aging resistance, oil stain resistance and certain acid resistance. Waterproof and corrosion-resistant performances are excellent, and the longitudinal waterproof and corrosion-resistant characteristics of the cable are improved.
In some embodiments, the waterproof and antiseptic paste 2 is formulated with a high viscosity synthetic hydrocarbon and a special lubricant.
The composite material has the characteristics of no toxicity and harm, excellent dielectric property, excellent heat resistance and oxidation resistance stability, no cold flow phenomenon in application, good compatibility with other materials of the cable, excellent waterproof property and the like.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model and are intended to be within the scope of the appended claims and description; any alternative modifications or variations to the embodiments of the present utility model will fall within the scope of the present utility model for those skilled in the art.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (4)
1. A moisture resistant power cable blocks water, its characterized in that: the waterproof and anti-corrosion composite cable comprises a plurality of groups of insulating cable cores, wherein each insulating cable core comprises a conductor and an insulating layer arranged outside the conductor, each conductor comprises a plurality of stranded round monofilaments, waterproof and anti-corrosion paste is filled in gaps between every two adjacent round monofilaments, a copper-plastic composite tape wrapping layer is arranged outside each conductor, an insulating layer is extruded outside each copper-plastic composite tape wrapping layer, the cable cores are formed by twisting the plurality of groups of insulating cable cores, a waterproof and anti-damp cotton filling layer is filled in each cable core gap, a moisture-discharging steel pipe is arranged inside each waterproof and anti-damp cotton filling layer, a waterproof and anti-damp wrapping tape layer is arranged outside each cable core, an inner liner layer is arranged outside each water-blocking and anti-damp wrapping tape layer, a first waterproof and anti-corrosion layer is coated outside each inner liner layer, an outer protection layer is arranged outside each first waterproof and anti-corrosion layer is coated outside each outer protection layer.
2. A water-resistant moisture-resistant power cable according to claim 1 and wherein: the copper-plastic composite tape is formed by bonding a copper tape with the thickness of 0.1mm and a plastic film with the thickness of 0.05mm, and the plastic film is bonded outside the copper tape.
3. A water-resistant moisture-resistant power cable according to claim 1 and wherein: the water-blocking and moisture-proof cotton filling layer is manufactured by embedding water-absorbing swelling gel particles in compressed cotton.
4. The water-blocking and moisture-proof power cable according to claim 1, wherein the moisture-removing steel pipe is a steel pipe with a wall thickness of 0.15mm and an inner hole diameter of 3mm, and round holes with a mutual spacing of 1mm and a hole diameter of 1mm are formed in the steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321403675.1U CN220357840U (en) | 2023-06-01 | 2023-06-01 | Water-blocking dampproof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321403675.1U CN220357840U (en) | 2023-06-01 | 2023-06-01 | Water-blocking dampproof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220357840U true CN220357840U (en) | 2024-01-16 |
Family
ID=89480029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321403675.1U Active CN220357840U (en) | 2023-06-01 | 2023-06-01 | Water-blocking dampproof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220357840U (en) |
-
2023
- 2023-06-01 CN CN202321403675.1U patent/CN220357840U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |