CN209249194U - A kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance - Google Patents
A kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance Download PDFInfo
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- CN209249194U CN209249194U CN201822227734.XU CN201822227734U CN209249194U CN 209249194 U CN209249194 U CN 209249194U CN 201822227734 U CN201822227734 U CN 201822227734U CN 209249194 U CN209249194 U CN 209249194U
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- sealant
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- sheath
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- airproof performance
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- 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
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Abstract
The utility model relates to power cable with cross-linked polyethylene insulation technical fields, and disclose a kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance, including outer jacket, sealant, sheath, reinforcing rib, protective layer, sheath, jacket layer, shielded layer, filler, core and sealing paste, sealant is bonded on the inside of the outer jacket, the inside of the sealant is plugged with sheath, reinforcing rib is bonded on the inside of the sheath, protective layer is connected on the inside of the sealant, sheath is connected on the inside of the protective layer, jacket layer is connected on the inside of the sheath, shielded layer is connected on the inside of the jacket layer, the inside of the shielded layer is filled with filler, the core being in contact with filler is enclosed on the inside of the shielded layer, the outside of the outer jacket is bonded with sealing paste.The earth-buried power cable with cross-linked polyethylene insulation of the good airproof performance, realizes the purpose of good airproof performance.
Description
Technical field
The utility model relates to power cable with cross-linked polyethylene insulation technical field, specially a kind of good airproof performance it is buried
Type power cable with cross-linked polyethylene insulation.
Background technique
Cross-linked polyethylene insulated cable is to make cable insulation polyethylene molecule by linear using chemically or physically
Molecular structure is changed into main body network molecular structure, i.e., thermoplastic polyethylene is changed into heat cured crosslinked polyethylene, thus
The heat resistance and mechanical performance for greatly improving it, reduce its shrinkage, make its not re-melting of being heated later, and maintain excellent
Good electric property.
The heat resistance and mechanical performance of existing cross-linked polyethylene insulated cable are very prominent, but use actual
The leakproofness of existing cross-linked polyethylene insulated cable is not good enough in journey, as the important object for conveying electric energy in field of distribution network
Product, influence of the leakproofness for power distribution network be it is very significant, once the gas or corroded by liquid fled inside cable,
It will result in the failure of power distribution network, so that the normal life of resident generates puzzlement, so propose a kind of earth-buried of good airproof performance
Power cable with cross-linked polyethylene insulation solves the problems, such as above-mentioned propose.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provide a kind of good airproof performance earth-buried it is crosslinked polyetylene insulated
Power cable has the advantages of good airproof performance, and the leakproofness for solving existing cross-linked polyethylene insulated cable is not good enough, as
Convey the important item of electric energy in field of distribution network, influence of the leakproofness for power distribution network be it is very significant, once cable
The gas or corroded by liquid that inside is fled, will result in the failure of power distribution network, so that the normal life of resident generates puzzlement
The problem of.
(2) technical solution
For the purpose for realizing above-mentioned good airproof performance, the utility model is provided the following technical solutions: a kind of ground of good airproof performance
Bury type power cable with cross-linked polyethylene insulation, including outer jacket, sealant, sheath, reinforcing rib, protective layer, sheath, jacket layer,
Shielded layer, filler, core and sealing paste are bonded with sealant, the inside grafting of the sealant on the inside of the outer jacket
There is sheath, reinforcing rib is bonded on the inside of the sheath, protective layer, the protective layer are connected on the inside of the sealant
Inside be connected with sheath, be connected with jacket layer on the inside of the sheath, the inside of the jacket layer is flexibly connected
There is a shielded layer, the inside of the shielded layer is filled with filler, is enclosed on the inside of the shielded layer and is in contact with filler
The outside of core, the outer jacket is bonded with sealing paste.
Preferably, the outer jacket is polyethylene, and the thickness of the outer jacket is less than the thickness of sealant.
Preferably, the sealant is silicon rubber, and the reinforcing rib is steel wire, and the diameter of the reinforcing rib is not less than a milli
Rice.
Preferably, the protective layer is stainless steel band, and the thickness of the protective layer is less than the thickness of sealant.
Preferably, the sheath is polytetrafluoroethylene (PTFE), and the shielded layer is proof copper-wire braided, and the jacket layer is poly- fluorine second
Alkene.
Preferably, the filler is waterproofing rope, and the sealing paste is sealant tape, and the thickness of sealant tape is no more than
One millimeter.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of crosslinked polyetylene insulated electric power of earth-buried of good airproof performance
Cable, have it is following the utility model has the advantages that
The earth-buried power cable with cross-linked polyethylene insulation of the good airproof performance, in the external adhering and sealing of the outer jacket of cable
It pastes, sealing paste made of sealant tape can reinforce the leakproofness of cable, the sealant made of silicon rubber further adds
The leakproofness of forceful electric power cable, and reinforcing rib made of sheath and steel wire is cooperated to reinforce the mechanical strength of cable, the outside of core is filled
Filler, the waterproofing rope used due to filler can effective waterproof, realize the purpose of good airproof performance, reduce in cable
The probability of gas or corroded by liquid that portion is fled avoids the normal household electricity of resident and is affected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram of outer jacket and sealing paste in the utility model.
In figure: 1 outer jacket, 2 sealants, 3 sheaths, 4 reinforcing ribs, 5 protective layers, 6 sheaths, 7 jacket layers, 8 shielded layers, 9 are filled out
Fill object, 10 cores, 11 sealing pastes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The earth-buried power cable with cross-linked polyethylene insulation of a kind of good airproof performance referring to FIG. 1-2, including it is outer jacket 1, close
Sealing 2, sheath 3, reinforcing rib 4, protective layer 5, sheath 6, jacket layer 7, shielded layer 8, filler 9, core 10 and sealing paste 11, outside
The inside of sheath 1 is bonded with sealant 2, and outer jacket 1 is polyethylene, and the thickness of outer jacket 1 is less than the thickness of sealant 2, close
The inside of sealing 2 is plugged with sheath 3, and the inside of sheath 3 is bonded with reinforcing rib 4, and sealant 2 is silicon rubber, and reinforcing rib 4 is steel
Silk, the diameter of reinforcing rib 4 are not less than one millimeter, and the inside of sealant 2 is connected with protective layer 5, and protective layer 5 is stainless steel
Band, and the thickness of protective layer 5 is less than the thickness of sealant 2, the inside of protective layer 5 is connected with sheath 6, sheath 6
Inside is connected with jacket layer 7, and the inside of jacket layer 7 is connected with shielded layer 8, and sheath 6 is polytetrafluoroethylene (PTFE), with science and technology
Progress, tradition is anti-corrosion, and the development of nonmetallic materials corrosion protection equipment is improved day by day, and new type corrosion resistant non-metallic material material products constantly gush
It is existing, it is employing new technology, in the tide of new material exploitation anticorrosion new product, anticorrosive PTFE erosion product is outshined othersOne branch of the tree is particularly thriving,
It rapidly develops, polytetrafluoroethylene (PTFE) (abbreviation PTFE) has high chemical stability, he is resistant to almost all of common deep-etching, hydrogen
Oxidisability chemical substance, while also having the characteristics that resistant to high temperature, so it is a kind of ideal anticorrosion material, Zhengzhou industry is big
The research by processing and forming technology is learned, the application of anticorrosive PTFE erosion product in the industry is just more and more extensive, tool
There is optimal aging life-span in plastics, use that not only anticorrosion ability is good but also the service life is longer, shielded layer 8 is copper wire
Braiding, jacket layer 7 are polyvinyl fluoride, and the electrical insulation capability of polyvinyl fluoride is good, also have good cryogenic property, wearability gentle
The inside of body barrier, shielded layer 8 is filled with filler 9, and the inside of shielded layer 8 is enclosed with the core being in contact with filler 9
10, the outside of outer jacket 1 is bonded with sealing paste 11, and filler 9 is waterproofing rope, and sealing paste 11 is sealant tape, and sealant tape
Thickness be no more than one millimeter, paste 11 in the external adhering and sealing of the outer jacket 1 of cable, sealing paste 11 made of sealant tape,
The leakproofness that can reinforce cable, the sealant 2 made of silicon rubber further reinforce the leakproofness of cable, and cooperate shield
Reinforcing rib 4 made of set 3 and steel wire reinforces the mechanical strength of cable, the external filler 9 filled of core 10, due to filler
9 waterproofing ropes used can effective waterproof, realize the purpose of good airproof performance, reduce the gas fled inside cable or
The probability of corroded by liquid avoids the normal household electricity of resident and is affected.
In conclusion the earth-buried power cable with cross-linked polyethylene insulation of the good airproof performance, cable outer jacket 1 it is outer
Portion's adhering and sealing pastes 11, and sealing paste 11 made of sealant tape can reinforce the leakproofness of cable, close made of silicon rubber
Sealing 2 further reinforces the leakproofness of cable, and the machinery for cooperating reinforcing rib 4 made of sheath 3 and steel wire to reinforce cable is strong
Degree, the external filler 9 filled of core 10, the waterproofing rope used due to filler 9 can effective waterproof, realize sealing
Property good purpose, reduce the probability of the gas or corroded by liquid fled inside cable, avoid resident and normally live use
Electricity is affected.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance, including outer jacket (1), sealant (2), sheath
(3), reinforcing rib (4), protective layer (5), sheath (6), jacket layer (7), shielded layer (8), filler (9), core (10) and sealing
It pastes (11), it is characterised in that: be bonded with sealant (2) on the inside of the outer jacket (1), the inside grafting of the sealant (2)
Have sheath (3), be bonded with reinforcing rib (4) on the inside of the sheath (3), is connected with protection on the inside of the sealant (2)
Layer (5) is connected with sheath (6) on the inside of the protective layer (5), is connected with set on the inside of the sheath (6)
Layer (7) is connected with shielded layer (8) on the inside of the jacket layer (7), and the inside of the shielded layer (8) is filled with filler
(9), the core (10) being in contact with filler (9), the outside of the outer jacket (1) are enclosed on the inside of the shielded layer (8)
It is bonded with sealing paste (11).
2. a kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance according to claim 1, feature exist
In: the outer jacket (1) is polyethylene, and the thickness of the outer jacket (1) is less than the thickness of sealant (2).
3. a kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance according to claim 1, feature exist
In: the sealant (2) is silicon rubber, and the reinforcing rib (4) is steel wire, and the diameter of the reinforcing rib (4) is not less than one millimeter.
4. a kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance according to claim 1, feature exist
In: the protective layer (5) is stainless steel band, and the thickness of the protective layer (5) is less than the thickness of sealant (2).
5. a kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance according to claim 1, feature exist
In: the sheath (6) is polytetrafluoroethylene (PTFE), and the shielded layer (8) is proof copper-wire braided, and the jacket layer (7) is polyvinyl fluoride.
6. a kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance according to claim 1, feature exist
In: the filler (9) is waterproofing rope, and the sealing paste (11) is sealant tape, and the thickness of sealant tape is no more than a milli
Rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227734.XU CN209249194U (en) | 2018-12-28 | 2018-12-28 | A kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822227734.XU CN209249194U (en) | 2018-12-28 | 2018-12-28 | A kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209249194U true CN209249194U (en) | 2019-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822227734.XU Expired - Fee Related CN209249194U (en) | 2018-12-28 | 2018-12-28 | A kind of earth-buried power cable with cross-linked polyethylene insulation of good airproof performance |
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| CN (1) | CN209249194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540531A (en) * | 2020-05-21 | 2020-08-14 | 晋江联盈电缆有限公司 | Flexible anti-fracture photoelectric composite cable |
-
2018
- 2018-12-28 CN CN201822227734.XU patent/CN209249194U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111540531A (en) * | 2020-05-21 | 2020-08-14 | 晋江联盈电缆有限公司 | Flexible anti-fracture photoelectric composite cable |
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| 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: 20190813 Termination date: 20201228 |