CN109411128A - A kind of bilayer PVC insulated wire and preparation method thereof - Google Patents
A kind of bilayer PVC insulated wire and preparation method thereof Download PDFInfo
- Publication number
- CN109411128A CN109411128A CN201811517202.8A CN201811517202A CN109411128A CN 109411128 A CN109411128 A CN 109411128A CN 201811517202 A CN201811517202 A CN 201811517202A CN 109411128 A CN109411128 A CN 109411128A
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- China
- Prior art keywords
- material layer
- pvc material
- cable core
- conductive cable
- coloured
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
-
- 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
-
- 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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/36—Insulated conductors or cables characterised by their form with distinguishing or length marks
- H01B7/361—Insulated conductors or cables characterised by their form with distinguishing or length marks being the colour of the insulation or conductor
Abstract
The present invention relates to a kind of double-deck PVC insulated wire and preparation method thereof, which includes conductive cable core, and the outer surface of conductive cable core is equipped with clear PVC material layer, and the outer surface of clear PVC material layer is equipped with coloured PVC material layer；It is in clear PVC material layer doped with Color master batch with coloured PVC material layer；Specific preparation method is it the following steps are included: S1: the selection of conductive cable core: selecting different types of conductive cable core depending on the application；S2: the outer surface for the conductive cable core of S1 coats certain thickness clear PVC material layer；S3: the outer surface for the clear PVC material layer of S2 coats the certain thickness coloured PVC material layer of band；S4: oversheath is equipped in outside of the S3 with coloured PVC material layer；The double-deck PVC insulated wire of this method preparation substantially increases electrical insulation capability, is 50 times of conventional polyvinyl chloride insulated electric conductor, and excellent insulation performance is stablized.
Description
Technical field
The invention belongs to technical field of communication cables, and in particular to a kind of bilayer PVC insulated wire and its preparation side
Method.
Background technique
Currently, building structure is smaller and smaller as resource is more and more nervous, for lay electric wire laying space and can be with
Position for wire bend is also more and more limited, and additionally, due to environmental restrictions, electrical control cabinet also becomes smaller and smaller, is used for
The bending radius being routed in Electric Appliance Cabinet also requires smaller and smaller.
The main component of the insulating layer of existing electric wire is thermosetting property rubber, is nondegradation material.Rubber processing formula
Complexity, technique are more demanding, and yield rate is lower, not only increases waste, and increase process cost, and when rubber mixing
There are dust, can cause environmental pollution.Also, the service life of general rubber-sheathed wire is 2-3, leads to the use of whole electric wire
Service life is lower.
Summary of the invention
For disadvantages mentioned above of the existing technology and problem, the present invention provides a kind of double-deck PVC insulated wire
And preparation method thereof, the double-deck PVC insulated wire of this method preparation has insulation performance height, the big excellent spy of current-carrying capacity
Point is primarily adapted for use in the illuminations such as the house ornamentations wiring use such as building house ornamentation, power station, cinema, airport and megastore or public place
And electric power connection line.
The invention adopts the following technical scheme:
The present invention provides a kind of double-deck PVC insulated wire, it includes conductive cable core, the outer surface of conductive cable core
Equipped with clear PVC material layer, the outer surface of clear PVC material layer is equipped with coloured PVC material layer；With coloured PVC
Material layer is in clear PVC material layer doped with Color master batch.
According to the above-mentioned double-deck PVC insulated wire, the conductive cable core is cylindrical-shaped structure, and conductive cable core is copper
Core.
According to the above-mentioned double-deck PVC insulated wire, the thickness of the clear PVC material layer with coloured PVC
The ratio between thickness of material layer is (0.6~1.0): 1.
It is coloured in the band along the length direction of conductive cable core according to the above-mentioned double-deck PVC insulated wire
The outer surface of PVC material layer is evenly equipped with tin plated steel wire layer.
According to the preparation method of the above-mentioned double-deck PVC insulated wire, it the following steps are included:
S1: different types of conductive cable core the selection of conductive cable core: is selected depending on the application；
S2: the outer surface for the conductive cable core of S1 coats certain thickness clear PVC material layer；
S3: the outer surface for the clear PVC material layer of S2 coats the certain thickness coloured PVC material layer of band；
S4: the outside for S3 with coloured PVC material layer is equipped with oversheath.
According to the preparation method of the above-mentioned double-deck PVC insulated wire, the coloured PVC material layer of band be
Color master batch is mixed under transparent PVC material layer molten condition.
Compared with prior art, beneficial effects of the present invention:
Product of the present invention has excellent electrical insulation capability: the product is mentioned significantly using the double-deck polyvinyl chloride sublevel insulation
High electrical insulation capability, is 50 times of conventional polyvinyl chloride insulated electric conductor, excellent insulation performance is stablized.
Detailed description of the invention
Fig. 1 is the sublevel insulation field distribution schematic diagram of the double-deck PVC insulated wire of the invention.
Specific embodiment
It is now as follows for embodiment in order to which the present invention is better described:
Embodiment 1
The present invention provides a kind of double-deck PVC insulated wire, it includes conductive cable core, the outer surface of conductive cable core
Equipped with clear PVC material layer, the outer surface of clear PVC material layer is equipped with coloured PVC material layer；With coloured PVC
Material layer is in clear PVC material layer doped with Color master batch；The conductive cable core is cylindrical-shaped structure, and conductive cable core is copper
Core；The ratio between the thickness of the clear PVC material layer and the thickness with coloured PVC material layer are 0.8:1；Along conductive cable core
Length direction be evenly equipped with tin plated steel wire layer in the outer surface of the coloured PVC material layer of the band.
According to the preparation method of the above-mentioned double-deck PVC insulated wire, it the following steps are included:
S1: different types of conductive cable core the selection of conductive cable core: is selected depending on the application；
S2: the outer surface for the conductive cable core of S1 coats certain thickness clear PVC material layer；
S3: the outer surface for the clear PVC material layer of S2 coats the certain thickness coloured PVC material layer of band；
S4: the outside for S3 with coloured PVC material layer is equipped with oversheath.
The double-deck PVC insulated wire of the invention substantially increases electrical isolation using the double-deck polyvinyl chloride sublevel insulation
Performance, is 50 times of conventional polyvinyl chloride insulated electric conductor, and excellent insulation performance is stablized；It makes a concrete analysis of as follows:
As shown in connection with fig. 1, according to Gauss theorem, it is known that the distribution map of the electric field of single-core cable insulation, in interface electric field phase
Deng:
ε 1*r1*E1=ε 2*r2*E2
There is approximation at interface: r1=r2
Then: ε 1*E1=ε 2*E2
Clear PVC material is used according to inside, outside is to have with coloured PVC material
1 > ε 2 of ε
It therefore follows that: E1 < E2,
Demarcate the phenomenon that will appear electric field mutation out in material, when voltage is identical, electrical insulation capability herein can be significantly
It improves.
Embodiment 2
The present invention provides a kind of double-deck PVC insulated wire, it includes conductive cable core, the outer surface of conductive cable core
Equipped with clear PVC material layer, the outer surface of clear PVC material layer is equipped with coloured PVC material layer；With coloured PVC
Material layer is in clear PVC material layer doped with Color master batch；The conductive cable core is cylindrical-shaped structure, and conductive cable core is copper
Core；The ratio between the thickness of the clear PVC material layer and the thickness with coloured PVC material layer are 0.6:1；Along conductive cable core
Length direction be evenly equipped with tin plated steel wire layer in the outer surface of the coloured PVC material layer of the band.
The preparation method of the present embodiment is same as Example 1.
Embodiment 3
The present invention provides a kind of double-deck PVC insulated wire, it includes conductive cable core, the outer surface of conductive cable core
Equipped with clear PVC material layer, the outer surface of clear PVC material layer is equipped with coloured PVC material layer；With coloured PVC
Material layer is in clear PVC material layer doped with Color master batch；The conductive cable core is cylindrical-shaped structure, and conductive cable core is copper
Core；The ratio between the thickness of the clear PVC material layer and the thickness with coloured PVC material layer are 1:1；Along conductive cable core
Length direction is evenly equipped with tin plated steel wire layer in the outer surface of the coloured PVC material layer of the band.
The preparation method of the present embodiment is same as Example 1.
The product of following example 1 is tested for the property:
1, sublevel insulate, and performance is more excellent
Voltage rating 450/750V bilayer polyvinyl chloride sublevel insulated electric conductor and insulation resistance at 70 DEG C of cotton covered wire of routine BV
Compare
2, double shielding, longer life expectancy are long
Voltage rating 450/750V bilayer polyvinyl chloride sublevel insulated electric conductor and routine BV cotton covered wire safety and service life ratio
Compared with
Above embodiments are only used for being illustrated technical solution of the present invention, rather than to the limit of the scope of the present invention
System.Although the invention is described in detail with reference to the preferred embodiments, it is therefore an objective to as much as possible make related personnel's accurate understanding.
And to the contents of the present invention propose it is new, more preferably suggest or scheme, but the spirit and scope of the invention should not be detached from.
Claims (6)
1. a kind of bilayer PVC insulated wire, it is characterised in that it includes conductive cable core, and the outer surface of conductive cable core is equipped with
The outer surface of clear PVC material layer, clear PVC material layer is equipped with coloured PVC material layer；With coloured PVC material
Layer is in clear PVC material layer doped with Color master batch.
2. bilayer PVC insulated wire according to claim 1, it is characterised in that: the conductive cable core is cylindric
Structure, conductive cable core are copper core.
3. bilayer PVC insulated wire according to claim 1, it is characterised in that: the clear PVC material layer
The ratio between thickness and the thickness with coloured PVC material layer are (0.6 ~ 1.0): 1.
4. bilayer PVC insulated wire according to claim 1, it is characterised in that: along the length side of conductive cable core
Tin plated steel wire layer is evenly equipped in the outer surface of the coloured PVC material layer of the band.
5. the preparation method of bilayer PVC insulated wire according to claim 1, it is characterised in that it includes following
Step:
S1: different types of conductive cable core the selection of conductive cable core: is selected depending on the application；
S2: the outer surface for the conductive cable core of S1 coats certain thickness clear PVC material layer；
S3: the outer surface for the clear PVC material layer of S2 coats the certain thickness coloured PVC material layer of band；
S4: the outside for S3 with coloured PVC material layer is equipped with oversheath.
6. the preparation method of bilayer PVC insulated wire according to claim 5, it is characterised in that: described to have face
The PVC material layer of color is to mix Color master batch under transparent PVC material layer molten condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517202.8A CN109411128A (en) | 2018-12-12 | 2018-12-12 | A kind of bilayer PVC insulated wire and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811517202.8A CN109411128A (en) | 2018-12-12 | 2018-12-12 | A kind of bilayer PVC insulated wire and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109411128A true CN109411128A (en) | 2019-03-01 |
Family
ID=65458683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811517202.8A Pending CN109411128A (en) | 2018-12-12 | 2018-12-12 | A kind of bilayer PVC insulated wire and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2318693Y (en) * | 1997-11-22 | 1999-05-12 | 伸金股份有限公司 | Multi-colour conducting wire |
| JP2006054056A (en) * | 2004-08-09 | 2006-02-23 | Tohoku Electric Power Co Inc | Two-layered insulation coated polyvinyl lead-in insulated electric wire |
| CN104867557A (en) * | 2014-02-24 | 2015-08-26 | 安徽新华电缆(集团)有限公司 | Nickel conductor and insulating wire |
| CN209401351U (en) * | 2018-12-12 | 2019-09-17 | 河南金水电缆集团有限公司 | A kind of bilayer PVC insulated wire |
-
2018
- 2018-12-12 CN CN201811517202.8A patent/CN109411128A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2318693Y (en) * | 1997-11-22 | 1999-05-12 | 伸金股份有限公司 | Multi-colour conducting wire |
| JP2006054056A (en) * | 2004-08-09 | 2006-02-23 | Tohoku Electric Power Co Inc | Two-layered insulation coated polyvinyl lead-in insulated electric wire |
| CN104867557A (en) * | 2014-02-24 | 2015-08-26 | 安徽新华电缆(集团)有限公司 | Nickel conductor and insulating wire |
| CN209401351U (en) * | 2018-12-12 | 2019-09-17 | 河南金水电缆集团有限公司 | A kind of bilayer PVC insulated wire |
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