CN108932998A - A kind of low temperature resistant crack resistence power cable - Google Patents
A kind of low temperature resistant crack resistence power cable Download PDFInfo
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- CN108932998A CN108932998A CN201810784283.1A CN201810784283A CN108932998A CN 108932998 A CN108932998 A CN 108932998A CN 201810784283 A CN201810784283 A CN 201810784283A CN 108932998 A CN108932998 A CN 108932998A
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- Prior art keywords
- layer
- fixedly connected
- low temperature
- temperature resistant
- insulating layer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- 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 invention discloses a kind of low temperature resistant crack resistence power cables, including butadiene-styrene rubber layer; the inside of butadiene-styrene rubber layer is fixedly connected with crosslinked polyethylene layer; the inside of cross-linked polyethylene layer is fixedly connected with the inner cushion layer that blocks water; the inside for the inner cushion layer that blocks water is fixedly connected with insulating layer; insulating layer is internally provided with the first insulating layer, second insulating layer and low temperature resistant sheath; the inside of insulating layer and be located at the first insulating layer, second insulating layer and low temperature resistant sheath outer surface be fixedly connected with gasket for packing, the inside of low temperature resistant sheath is fixedly connected with protective layer.The low temperature resistant crack resistence power cable, improve the stability of power cable, avoid power cable prolonged use, it will lead to the cracking of cable, the temperature inside power cable can be improved, with good low temperature resistant function, the use of different regions is met, to improve the service life of power cable well.
Description
Technical field
The present invention relates to power cable technical field more particularly to a kind of low temperature resistant crack resistence power cables.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line, in power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system to the cable product for transmitting and distributing high-power power, including 1-
500KV and more than various voltage class, the power cable of various insulation.
But existing power cable have the shortcomings that it is a large amount of, such as existing power cable do not have well it is resistance to low
Temp effect, cold weather will cause serious damage to cable, and existing power cable does not have anti-well open
Function, different weathers or prolonged use are split, will result in the cracking of cable, so that cable cannot cannot be fine
Carry out work, and the serious service life for reducing power cable.Therefore, those skilled in the art provide a kind of resistance to
Low temperature crack resistence power cable, to solve the problems mentioned in the above background technology.
Summary of the invention
To solve technical problem present in background technique, the present invention proposes a kind of low temperature resistant crack resistence power cable.
A kind of low temperature resistant crack resistence power cable proposed by the present invention, including butadiene-styrene rubber layer, the inside of butadiene-styrene rubber layer
Be fixedly connected with crosslinked polyethylene layer, the inside of cross-linked polyethylene layer is fixedly connected with the inner cushion layer that blocks water, the inner cushion layer that blocks water it is interior
Portion is fixedly connected with insulating layer, and insulating layer is internally provided with the first insulating layer, second insulating layer and low temperature resistant sheath, insulating layer
Inside and be located at the first insulating layer, second insulating layer and low temperature resistant sheath outer surface be fixedly connected with gasket for packing, it is low temperature resistant
The inside of sheath is fixedly connected with protective layer, and the inside of the first insulating layer is fixedly connected with the first housing sheath, the first housing shield
The inside of layer is fixedly connected with the first silastic-layer, and the inside of the first silastic-layer is fixedly connected with the first core, the second insulation
The inside of layer is fixedly connected with the second housing sheath, and the inside of the second housing sheath is fixedly connected with the second silastic-layer, and second
The inside of silastic-layer is fixedly connected with the second core.
As a further solution of the present invention: cross-linked polyethylene layer uses vapor crosslinking.
As further scheme of the invention: low temperature resistant sheath has high-density polyethylene material to be made.
As the present invention further scheme: the first external sheath layer and the second housing sheath are low-smoke halogen-free polyolefin,
Insulating layer is made of heat-preservation cotton.
As further scheme of the invention: protective layer is made of pvc material.
As further scheme of the invention: the first core and the second core are tangled again using tinned fine copper wire multiply
Structure.
Compared with prior art, the beneficial effects of the present invention are:
1, crosslinked polyethylene layer is fixedly connected with by the inside of butadiene-styrene rubber layer, butadiene-styrene rubber layer has resistance to well
Mill, heat-resisting, ageing-resistant and curingprocess rate effect, are fixedly connected with the inner cushion layer that blocks water by the inside of cross-linked polyethylene layer, pass through
The block water inside of inner cushion layer is fixedly connected with insulating layer, is internally provided with the first insulating layer, second insulating layer by insulating layer
With low temperature resistant sheath, low temperature resistant sheath has high-density polyethylene material to be made, and the stability of power cable can be improved, avoided
Power cable prolonged use, will lead to the cracking of cable, improve the service life of power cable well, and pass through
Gasket for packing, and improve by gasket for packing the quality of power cable.
2, protective layer is fixedly connected with by the inside of low temperature resistant sheath, then can be increased by protective layer to power cable
Protective value, the first housing sheath, and the first external sheath layer and second are fixedly connected with by the inside of the first insulating layer
Housing sheath is low-smoke halogen-free polyolefin support, is fixedly connected with the first silastic-layer by the inside of the first housing sheath,
It is fixedly connected with the first core by the inside of the first silastic-layer, is fixedly connected with outside second by the inside of second insulating layer
Sheath is covered, the second silastic-layer is fixedly connected with by the inside of the second housing sheath, and by insulating layer, can be improved
Temperature inside power cable has good low temperature resistant function, avoids cold winter, and low temperature causes to hurt to power cable
Evil, influences the work of cable itself, so that it cannot meet the use of different regions, the use of power cable greatly reduces
Service life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of low temperature resistant crack resistence power cable.
Fig. 2 is structure sectional view in a kind of low temperature resistant crack resistence power cable.
In figure: 1- butadiene-styrene rubber layer, 2- cross-linked polyethylene layer, 3- block water inner cushion layer, 4- insulating layer, the first insulating layer of 5-,
The low temperature resistant sheath of 6- second insulating layer, 7-, 8- gasket for packing, 9- protective layer, the first housing of 10- sheath, the first silastic-layer of 11-,
The first core of 12-, the second housing of 13- sheath, the second silastic-layer of 14-, the second core of 15-.
Specific embodiment
As Figure 1-Figure 2, a kind of low temperature resistant crack resistence power cable proposed by the present invention, including butadiene-styrene rubber layer 1, fourth
Benzene rubber layer 1 has effects that good wear-resisting, heat-resisting, ageing-resistant and curingprocess rate, and the inside of butadiene-styrene rubber layer 1 is fixedly connected with
Cross-linked polyethylene layer 2, cross-linked polyethylene layer 2 use vapor crosslinking, and the inside of cross-linked polyethylene layer 2 is fixedly connected with the interior pad that blocks water
Layer 3, the inside for the inner cushion layer 3 that blocks water are fixedly connected with insulating layer 4, and insulating layer 4 is internally provided with the first insulating layer 5, second absolutely
Edge layer 6 and low temperature resistant sheath 7, low temperature resistant sheath 7 and are located at the first insulating layer 5, second insulating layer 6 and resistance at the inside of insulating layer 4
The outer surface of low temperature sheath 7 is fixedly connected with gasket for packing 8, and gasket for packing 8 is alkali-free glass gasket for packing, has good fire-retardant function
Can, thus fire-retardant for cable progress well, the inside of low temperature resistant sheath 7 is fixedly connected with protective layer 9, and protective layer 9 is polychlorostyrene
Vinyl material is made, and the inside of the first insulating layer 5 is fixedly connected with the first housing sheath 10, outside the first external sheath layer 10 and second
Set sheath 13 is low-smoke halogen-free polyolefin, and insulating layer 4 is made of heat-preservation cotton, mainly guarantees the temperature of power cable, is had very
Good low temperature resistant effect, the inside of the first housing sheath 10 are fixedly connected with the first silastic-layer 11, the first silastic-layer 11
Inside is fixedly connected with the first core 12, and the first core 12 and the second core 15 are tangled structure again using tinned fine copper wire multiply, can
To improve the electric conductivity of core, the inside of second insulating layer 6 is fixedly connected with the second housing sheath 13, the second housing sheath 13
Inside be fixedly connected with the second silastic-layer 14, the inside of the second silastic-layer 14 is fixedly connected with the second core 15.
The working principle of the invention is: being fixedly connected with crosslinked polyethylene layer 2, butylbenzene by the inside of butadiene-styrene rubber layer 1
Rubber layer 1 has effects that good wear-resisting, heat-resisting, ageing-resistant and curingprocess rate, connects by the way that the inside of cross-linked polyethylene layer 2 is fixed
It is connected to the inner cushion layer 3 that blocks water, insulating layer 4 is fixedly connected with by the inside for the inner cushion layer 3 that blocks water, is arranged by the inside of insulating layer 4
There are the first insulating layer 5, second insulating layer 6 and low temperature resistant sheath 7, low temperature resistant sheath 7 has high-density polyethylene material to be made, can be with
The stability for improving power cable avoids power cable prolonged use, will lead to the cracking of cable, improves well
The service life of power cable, by the inside of insulating layer 4 and positioned at the first insulating layer 5, second insulating layer 6 and low temperature resistant sheath
7 outer surface is fixedly connected with gasket for packing 8, and the quality of power cable is improved by gasket for packing 8, passes through low temperature resistant sheath 7
Inside is fixedly connected with protective layer 9, then can increase the protective value to power cable by protective layer 9, passes through the first insulation
The inside of layer 5 is fixedly connected with the first housing sheath 10, and the first external sheath layer 10 and the second housing sheath 13 are low cigarette
Halogen-free polyolefin support, is fixedly connected with the first silastic-layer 11 by the inside of the first housing sheath 10, passes through the first silicon rubber
The inside of glue-line 11 is fixedly connected with the first core 12, is fixedly connected with the second housing sheath by the inside of second insulating layer 6
13, the second silastic-layer 14 is fixedly connected with by the inside of the second housing sheath 13, and by insulating layer, can be improved
Temperature inside power cable.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of low temperature resistant crack resistence power cable, including butadiene-styrene rubber layer (1), which is characterized in that butadiene-styrene rubber layer (1) it is interior
Portion is fixedly connected crosslinked polyethylene layer (2), and the inside of cross-linked polyethylene layer (2) is fixedly connected with the inner cushion layer that blocks water (3), is blocked water
The inside of inner cushion layer (3) is fixedly connected with insulating layer (4), and insulating layer (4) is internally provided with the first insulating layer (5), second absolutely
Edge layer (6) and low temperature resistant sheath (7), the inside of insulating layer (4) and are located at the first insulating layer (5), second insulating layer (6) and resistance to low
The outer surface of warm sheath (7) is fixedly connected with gasket for packing (8), and the inside of low temperature resistant sheath (7) is fixedly connected with protective layer (9),
The inside of first insulating layer (5) is fixedly connected with the first housing sheath (10), and the inside of the first housing sheath (10) is fixedly connected
Have the first silastic-layer (11), the inside of the first silastic-layer (11) is fixedly connected with the first core (12), second insulating layer (6)
Inside be fixedly connected with the second housing sheath (13), the inside of the second housing sheath (13) is fixedly connected with the second silastic-layer
(14), the inside of the second silastic-layer (14) is fixedly connected with the second core (15).
2. a kind of low temperature resistant crack resistence power cable according to claim 1, which is characterized in that cross-linked polyethylene layer (2)
Using vapor crosslinking.
3. a kind of low temperature resistant crack resistence power cable according to claim 1, which is characterized in that low temperature resistant sheath (7) has
High-density polyethylene material is made.
4. a kind of low temperature resistant crack resistence power cable according to claim 1, which is characterized in that the first external sheath layer (10)
It is low-smoke halogen-free polyolefin with the second housing sheath (13), insulating layer (4) is made of heat-preservation cotton.
5. a kind of low temperature resistant crack resistence power cable according to claim 1, which is characterized in that protective layer (9) is polychlorostyrene
Vinyl material is made.
6. a kind of low temperature resistant crack resistence power cable according to claim 1, which is characterized in that the first core (12) and
Two cores (15) are tangled structure again using tinned fine copper wire multiply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784283.1A CN108932998A (en) | 2018-07-17 | 2018-07-17 | A kind of low temperature resistant crack resistence power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810784283.1A CN108932998A (en) | 2018-07-17 | 2018-07-17 | A kind of low temperature resistant crack resistence power cable |
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| Publication Number | Publication Date |
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| CN108932998A true CN108932998A (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810784283.1A Pending CN108932998A (en) | 2018-07-17 | 2018-07-17 | A kind of low temperature resistant crack resistence power cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111925A (en) * | 2019-05-17 | 2019-08-09 | 安徽徽宁电器仪表集团有限公司 | A kind of low temperature resistant crack resistence power cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363155U (en) * | 2011-08-03 | 2012-08-01 | 安徽渡江电缆集团有限公司 | An outdoor mobile high-voltage flexible cable with properties of cold resistance, tear resistance and tension resistance |
| CN203085224U (en) * | 2012-12-17 | 2013-07-24 | 常州市新东方电缆有限公司 | Low-temperature-resistant cable |
| CN203941711U (en) * | 2014-06-18 | 2014-11-12 | 明达线缆集团有限公司 | Middle pressure tension power cable |
| CN205621512U (en) * | 2016-05-17 | 2016-10-05 | 安徽徽宁电器仪表集团有限公司 | - 60 DEG C low temperature resistant flexible power cable |
-
2018
- 2018-07-17 CN CN201810784283.1A patent/CN108932998A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202363155U (en) * | 2011-08-03 | 2012-08-01 | 安徽渡江电缆集团有限公司 | An outdoor mobile high-voltage flexible cable with properties of cold resistance, tear resistance and tension resistance |
| CN203085224U (en) * | 2012-12-17 | 2013-07-24 | 常州市新东方电缆有限公司 | Low-temperature-resistant cable |
| CN203941711U (en) * | 2014-06-18 | 2014-11-12 | 明达线缆集团有限公司 | Middle pressure tension power cable |
| CN205621512U (en) * | 2016-05-17 | 2016-10-05 | 安徽徽宁电器仪表集团有限公司 | - 60 DEG C low temperature resistant flexible power cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110111925A (en) * | 2019-05-17 | 2019-08-09 | 安徽徽宁电器仪表集团有限公司 | A kind of low temperature resistant crack resistence power cable |
| CN110111925B (en) * | 2019-05-17 | 2020-08-11 | 安徽徽宁电器仪表集团有限公司 | Low temperature resistant anti-cracking power cable |
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Application publication date: 20181204 |