CN109065236A - A kind of anti-freeze cable and its production method - Google Patents
A kind of anti-freeze cable and its production method Download PDFInfo
- Publication number
- CN109065236A CN109065236A CN201810868189.4A CN201810868189A CN109065236A CN 109065236 A CN109065236 A CN 109065236A CN 201810868189 A CN201810868189 A CN 201810868189A CN 109065236 A CN109065236 A CN 109065236A
- Authority
- CN
- China
- Prior art keywords
- protective jacket
- cable
- layer
- interior protective
- freeze
- 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.)
- Pending
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Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
-
- 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
-
- 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 anti-freeze cable, including cable ontology, the surface of the cable ontology is provided with outer protective jacket, and the outer protective jacket is internally provided with interior protective jacket, and the outer periphery of the interior protective jacket is fixedly connected with foam layer.The present invention also provides a kind of production methods of anti-freeze cable, specifically includes the following steps: the processing of S1 conducting wire, the assembling of S2 wires for bundling, S3 cabling procedure, S4 sheath and S5 detection cable.The anti-freeze cable and its production method, compared with prior art, cost is low, production stage is simple, by installing being used cooperatively for outer protective jacket and interior protective jacket additional in the inside of cable ontology, preferably play the role of cladding to cable conductor, it installs foam layer and mineral wool layer additional between outer protective jacket and interior protective jacket and can greatly improve the cable ontology and resist cold antifreeze effect, interior protective jacket cracking is effectively reduced, the service life of cable is extended in the environment of bad environments.
Description
Technical field
The invention belongs to field of cables, more specifically more particularly to a kind of anti-freeze cable, meanwhile, the invention further relates to
A kind of production method of anti-freeze cable.
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.
In northern China some areas, the operating temperature of power cable is generally lower, but power cable is low in ambient temperature
When zero degree, since prolonged use be easy to cause the coat layer of power cable to crack after laying installation, to influence cable just
It is often used, and reduces the manufacturing cost of cable and need a kind of anti-freeze cable and its production method.
Summary of the invention
The purpose of the present invention is to provide a kind of anti-freeze cable and its production methods, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of anti-freeze cable, including cable ontology, institute
The surface for stating cable ontology is provided with outer protective jacket, and the outer protective jacket is internally provided with interior protective jacket, the interior protection
The outer periphery of set is fixedly connected with foam layer, and the outer periphery of the foam layer is provided with mineral wool layer, and glass
Glass cotton layer be fixedly connected around the inner sidewall of outer protective jacket, the interior protective jacket is internally provided with cable conductor, the electricity
The outer periphery of cable conducting wire, which is coated and fixed, is connected with PVC insulation tube.
Preferably, the foam layer is provided with four groups, and foam layer in the outer periphery annular of interior protective jacket
For rigid polyurethane foam insulating layer.
Preferably, circumferential surface of the mineral wool layer close to outer protective jacket side is fixedly connected with masking foil, and glass
Cotton layer is super glass wool layer.
The present invention also provides a kind of production methods of anti-freeze cable, specifically includes the following steps:
S1, conducting wire processing, copper wire spiral are stranded on the outside of the copper wire of center, and in the wire ratio in outside
The diameter of heart wire is small, presses the conductor that insulated wire cores are made in membrane pressure using circle, the outside of every copper wire is applied
Cover metal platinum coating；
S2, wires for bundling wind 1-2 insulating tape breadth degree first with PVC insulation tube since beginning at terminal, then
It is wound with half-amplitude duration overlapping, forms insulation core wire group, between being tightened between PVC insulation tube and conducting wire in wrapping process
Gap；
S3, cabling procedure, by three cable conductor groups and at least three control conductor intervals settings, place stranding, by three electricity
Cable conducting wire is put into interior protective jacket；
S4, sheath assembling, coat rigid polyurethane foam insulating layer in the outside of interior protective jacket in the form of annular array,
And one layer of super glass wool layer is coated in the outside of rigid polyurethane foam insulating layer, in the outside of super glass wool layer
Outer protective jacket is coated, by coating one layer of flame-proof polyvinyl chloride on the surface of outer protective jacket, forms fire-retardant outer protective jacket；
S5, detection cable, whether there is or not falling off, cable is led for the retaining for detecting three cable conductor groups in interior protective jacket, wire bushing pipe
Line marshalling, and there are surplus appropriate, cable conductor non junction, cable conductor in PVC insulation tube are connected firmly, wrapping
Tightly, insulation is good, does not hurt core.
Preferably, it is also set up between three cable conductors in step S3 in interior protective jacket and at least three control conductors
There is filling, filler is glass cord.
Technical effect and advantage of the invention: the anti-freeze cable and its production method, compared with prior art, cost
Low, production stage is simple, by installing being used cooperatively for outer protective jacket and interior protective jacket additional in the inside of cable ontology, preferably
Play the role of cladding to cable conductor, installs foam layer additional between outer protective jacket and interior protective jacket and mineral wool layer can
It greatly improves the cable ontology to resist cold antifreeze effect, interior protective jacket cracking is effectively reduced, in the environment of bad environments
Under extend the service life of cable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1 cable ontology, 2 outer protective jackets, protective jacket in 3,4 foam layers, 5 mineral wool layers, 6 cable conductors,
7 PVC insulation tubes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of anti-freeze cable as shown in Figure 1, including cable ontology 1, the cable ontology 1
Surface is provided with outer protective jacket 2, and the outer protective jacket 2 is internally provided with interior protective jacket 3, the outside week of the interior protective jacket 3
It encloses and is fixedly connected with foam layer 4, the outer periphery of the foam layer 4 is provided with mineral wool layer 5, and mineral wool layer 5
It is fixedly connected with around the inner sidewall of outer protective jacket 2, the interior protective jacket 3 is internally provided with cable conductor 6, and the cable is led
The outer periphery of line 6, which is coated and fixed, is connected with PVC insulation tube 7.
Specifically, the foam layer 4 is provided with four groups, and foamed plastics in the outer periphery annular of interior protective jacket 3
Layer 4 is rigid polyurethane foam insulating layer.
Specifically, circumferential surface of the mineral wool layer 5 close to outer 2 side of protective jacket is fixedly connected with masking foil, and glass
Glass cotton layer 5 is super glass wool layer.
The present invention also provides a kind of production methods of anti-freeze cable, specifically includes the following steps:
S1, conducting wire processing, copper wire spiral are stranded on the outside of the copper wire of center, and in the wire ratio in outside
The diameter of heart wire is small, presses the conductor that insulated wire cores are made in membrane pressure using circle, the outside of every copper wire is applied
Cover metal platinum coating；
S2, wires for bundling wind 1-2 insulating tape breadth degree first with PVC insulation tube since beginning at terminal, then
It is wound with half-amplitude duration overlapping, forms insulation core wire group, between being tightened between PVC insulation tube and conducting wire in wrapping process
Gap；
S3, cabling procedure, by three cable conductor groups and at least three control conductor intervals settings, place stranding, by three electricity
Cable conducting wire is put into interior protective jacket；
S4, sheath assembling, coat rigid polyurethane foam insulating layer in the outside of interior protective jacket in the form of annular array,
And one layer of super glass wool layer is coated in the outside of rigid polyurethane foam insulating layer, in the outside of super glass wool layer
Outer protective jacket is coated, by coating one layer of flame-proof polyvinyl chloride on the surface of outer protective jacket, forms fire-retardant outer protective jacket；
S5, detection cable, whether there is or not falling off, cable is led for the retaining for detecting three cable conductor groups in interior protective jacket, wire bushing pipe
Line marshalling, and there are surplus appropriate, cable conductor non junction, cable conductor in PVC insulation tube are connected firmly, wrapping
Tightly, insulation is good, does not hurt core.
Specifically, being also set up between three cable conductors and at least three control conductors in step S3 in interior protective jacket
There is filling, filler is glass cord.
Anti-freeze cable provided by the invention and its production method, compared with prior art, cost is low, production stage letter
It is single, by installing being used cooperatively for outer protective jacket 2 and interior protective jacket 3 additional in the inside of cable ontology 1, preferably to cable conductor
6 play the role of cladding, install foam layer 4 additional between outer protective jacket 2 and interior protective jacket 3 and mineral wool layer 5 can be significantly
It improves the cable ontology 1 to resist cold antifreeze effect, effectively reduces interior protective jacket 3 and crack, in the environment of bad environments
Extend the service life of cable.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of anti-freeze cable, including cable ontology (1), it is characterised in that: the surface of the cable ontology (1) is provided with
Outer protective jacket (2), the outer protective jacket (2) are internally provided with interior protective jacket (3), the outer periphery of the interior protective jacket (3)
It is fixedly connected with foam layer (4), the outer periphery of the foam layer (4) is provided with mineral wool layer (5), and mineral wool
It is fixedly connected around layer (5) and the inner sidewall of outer protective jacket (2), the interior protective jacket (3) is internally provided with cable conductor
(6), the outer periphery of the cable conductor (6), which is coated and fixed, is connected with PVC insulation tube (7).
2. a kind of anti-freeze cable according to claim 1 and its production method, it is characterised in that: the foam layer
(4) the outer periphery annular of interior protective jacket (3) is provided with four groups, and foam layer (4) is rigid polyurethane foam
Insulating layer.
3. a kind of anti-freeze cable according to claim 1 and its production method, it is characterised in that: the mineral wool layer (5)
Circumferential surface close to outer protective jacket (2) side is fixedly connected with masking foil, and mineral wool layer (5) is super glass wool layer.
4. a kind of production method of anti-freeze cable described in claim 1, which is characterized in that specifically includes the following steps:
S1, conducting wire processing, copper wire spiral are stranded on the outside of the copper wire of center, and in the wire ratio in outside
The diameter of heart wire is small, presses the conductor that insulated wire cores are made in membrane pressure using circle, the outside of every copper wire is applied
Cover metal platinum coating；
S2, wires for bundling wind 1-2 insulating tape breadth degree first with PVC insulation tube since beginning at terminal, then
It is wound with half-amplitude duration overlapping, forms insulation core wire group, between being tightened between PVC insulation tube and conducting wire in wrapping process
Gap；
S3, cabling procedure, by three cable conductor groups and at least three control conductor intervals settings, place stranding, by three electricity
Cable conducting wire is put into interior protective jacket；
S4, sheath assembling, coat rigid polyurethane foam insulating layer in the outside of interior protective jacket in the form of annular array,
And one layer of super glass wool layer is coated in the outside of rigid polyurethane foam insulating layer, in the outside of super glass wool layer
Outer protective jacket is coated, by coating one layer of flame-proof polyvinyl chloride on the surface of outer protective jacket, forms fire-retardant outer protective jacket；
S5, detection cable, whether there is or not falling off, cable is led for the retaining for detecting three cable conductor groups in interior protective jacket, wire bushing pipe
Line marshalling, and there are surplus appropriate, cable conductor non junction, cable conductor in PVC insulation tube are connected firmly, wrapping
Tightly, insulation is good, does not hurt core.
5. the production method of anti-freeze cable according to claim 4, it is characterised in that: in step S3 in interior protective jacket three
It is additionally provided with filling between the cable conductor of root and at least three control conductors, filler is glass cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868189.4A CN109065236A (en) | 2018-08-02 | 2018-08-02 | A kind of anti-freeze cable and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810868189.4A CN109065236A (en) | 2018-08-02 | 2018-08-02 | A kind of anti-freeze cable and its production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109065236A true CN109065236A (en) | 2018-12-21 |
Family
ID=64832640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810868189.4A Pending CN109065236A (en) | 2018-08-02 | 2018-08-02 | A kind of anti-freeze cable and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109065236A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853811A (en) * | 2019-11-11 | 2020-02-28 | 国网山东省电力公司兰陵县供电公司 | Anti-freezing insulated cable and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584880U (en) * | 2012-04-09 | 2012-12-05 | 安徽新科电缆集团股份有限公司 | Polyvinyl chloride insulation and sheathed thin steel wire armored fireproof power cable |
| CN105845241A (en) * | 2016-04-27 | 2016-08-10 | 江苏通鼎光电科技有限公司 | Cold-resistant railway figure signal cable |
| WO2016145689A1 (en) * | 2015-03-18 | 2016-09-22 | 中天科技装备电缆有限公司 | Intrinsically safe oil-resistant and mud-resistant fireproof cable for offshore platform and manufacturing process |
| CN206349168U (en) * | 2017-01-20 | 2017-07-21 | 沈一线缆有限公司 | A kind of freeze proof cable for being applied to extremely cold condition |
| CN207381125U (en) * | 2017-10-28 | 2018-05-18 | 江西圣塔电缆科技有限公司 | A kind of anti-freezing overhead insulated cable |
-
2018
- 2018-08-02 CN CN201810868189.4A patent/CN109065236A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202584880U (en) * | 2012-04-09 | 2012-12-05 | 安徽新科电缆集团股份有限公司 | Polyvinyl chloride insulation and sheathed thin steel wire armored fireproof power cable |
| WO2016145689A1 (en) * | 2015-03-18 | 2016-09-22 | 中天科技装备电缆有限公司 | Intrinsically safe oil-resistant and mud-resistant fireproof cable for offshore platform and manufacturing process |
| CN105845241A (en) * | 2016-04-27 | 2016-08-10 | 江苏通鼎光电科技有限公司 | Cold-resistant railway figure signal cable |
| CN206349168U (en) * | 2017-01-20 | 2017-07-21 | 沈一线缆有限公司 | A kind of freeze proof cable for being applied to extremely cold condition |
| CN207381125U (en) * | 2017-10-28 | 2018-05-18 | 江西圣塔电缆科技有限公司 | A kind of anti-freezing overhead insulated cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110853811A (en) * | 2019-11-11 | 2020-02-28 | 国网山东省电力公司兰陵县供电公司 | Anti-freezing insulated cable and preparation method thereof |
| CN110853811B (en) * | 2019-11-11 | 2021-04-27 | 国网山东省电力公司兰陵县供电公司 | Anti-freezing insulated cable and preparation method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181221 |