CN112435782A - Polyvinyl chloride insulation nylon sheath cable - Google Patents
Polyvinyl chloride insulation nylon sheath cable Download PDFInfo
- Publication number
- CN112435782A CN112435782A CN202011271890.1A CN202011271890A CN112435782A CN 112435782 A CN112435782 A CN 112435782A CN 202011271890 A CN202011271890 A CN 202011271890A CN 112435782 A CN112435782 A CN 112435782A
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- Prior art keywords
- layer
- polyvinyl chloride
- cable
- insulating layer
- shielding 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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to an insulated cable, in particular to a polyvinyl chloride insulated nylon sheathed cable, which comprises a first shielding layer, an inner sheath, a polyvinyl chloride insulating layer, an oil paste layer, an anticorrosive layer and a nylon outer sheath which are sequentially arranged from inside to outside, wherein a cable bundle is arranged in the first shielding layer, a filling layer is filled between the cable bundle and the first shielding layer, the cable bundle comprises a copper conductor, a rubber insulating layer, a second shielding layer and a cable outer sheath which are sequentially arranged from inside to outside, a reinforcing bar is connected between the copper conductor and the rubber insulating layer, an elastic buffer layer is arranged between the copper conductor and the rubber insulating layer, an elastic buffer part is arranged between the inner sheath and the polyvinyl chloride insulating layer, and the elastic buffer part comprises a first elastic block fixed with the outer wall of the inner sheath and a second elastic block fixed with the inner wall of the polyvinyl chloride insulating layer; the technical scheme provided by the invention can effectively overcome the defects of poor insulating property and easy bending and damage of the cable in the prior art.
Description
Technical Field
The invention relates to an insulated cable, in particular to a polyvinyl chloride insulated nylon sheathed cable.
Background
The polyvinyl chloride insulation nylon sheath cable is widely applied to the United states, south America, Europe and the middle east, has the characteristics of excellent technical performance, substantial economic benefit and convenience in transportation, construction and installation, gradually replaces the traditional cable in the fields of buildings (particularly high-rise buildings), automobiles, electrical equipment, household appliances and the like, and has huge market potential.
With the rapid development of the modern construction industry in China and the continuous improvement of the quality level of life of people, the requirements on the green and environment-friendly safety performance of electric wires used in buildings and household appliances have attracted wide attention of governments and the public. For a long time, BV type or BVV type wiring wires insulated by PVC are always adopted for indoor power line wiring in China, the wires with the traditional structure have the problems of small overload capacity and short circuit heat capacity and incapability of tolerating higher environmental temperature because the insulation material is common polyvinyl chloride, and meanwhile, the insulation performance of the polyvinyl chloride is reduced due to the influence of temperature, so that the safety of circuit operation is influenced, and the wires are poor in wear resistance and ageing resistance. The insulating layer is easily damaged when the pipe is penetrated and laid, and the insulating layer is burnt out when the overload operation of the circuit and the working temperature exceed the specified range, so that the potential short circuit hidden trouble is formed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides the polyvinyl chloride insulating nylon sheath cable which can effectively overcome the defects of poor insulating property and easy bending and damage of the cable in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a polyvinyl chloride insulating nylon sheath cable comprises a first shielding layer, an inner sheath, a polyvinyl chloride insulating layer, a petroleum paste layer, an anticorrosive layer and a nylon outer sheath which are sequentially arranged from inside to outside, wherein a cable bundle is arranged inside the first shielding layer, and a filling layer is filled between the cable bundle and the first shielding layer;
the cable bundle comprises a copper conductor, a rubber insulating layer, a second shielding layer and a cable outer sheath which are sequentially arranged from inside to outside, a reinforcing strip is connected between the copper conductor and the rubber insulating layer, and an elastic buffer layer is arranged between the copper conductor and the rubber insulating layer;
be equipped with elastic buffer spare between inner sheath and the polyvinyl chloride insulating layer, elastic buffer spare includes the first elastic block fixed with the inner sheath outer wall, with the fixed second elastic block of polyvinyl chloride insulating layer inner wall to and connect the elastic connection post between first elastic block, second elastic block.
Preferably, the polyvinyl chloride insulating layer comprises a polyvinyl chloride inner insulating sleeve and a polyvinyl chloride outer wrapping film wrapping the surface of the polyvinyl chloride inner insulating sleeve.
Preferably, the copper conductor is coated with a polyurethane insulating layer.
Preferably, the polyvinyl chloride insulating layer is provided with a convex part extending into the petroleum paste layer.
Preferably, the first shielding layer is electrically connected with the second shielding layer, the first shielding layer is grounded, and the first shielding layer and the second shielding layer are all tinned copper wire braided belts.
Preferably, water-cooling micro pipes are uniformly distributed in the anticorrosive layer along the circumferential direction.
Preferably, the anticorrosive coating is made of phenolic resin.
Preferably, a flame-retardant layer is arranged between the anticorrosive layer and the nylon outer sheath, and the flame-retardant layer is made of a low-smoke halogen-free flame-retardant polyolefin material.
Preferably, the filling layer is made of epoxy resin.
(III) advantageous effects
Compared with the prior art, the polyvinyl chloride insulating nylon sheath cable provided by the invention has the advantages that the insulating property of the cable can be effectively improved by arranging the polyvinyl chloride inner insulating sleeve and the polyvinyl chloride outer wrapping film, and arranging the rubber insulating layer and the polyurethane insulating layer outside the copper conductor; the setting of reinforcing bar can effectively make the cable harness more resistant buckling, improves the anti performance of buckling of cable harness, and the setting of elastic buffer can promote the holistic structural strength of cable, is convenient for lay the use.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the cable harness of fig. 1 according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a polyvinyl chloride insulating nylon sheath cable, as shown in fig. 1 and 2, includes first shielding layer 2, inner sheath 3, polyvinyl chloride insulating layer 7, petroleum jelly layer 9, anticorrosive coating 10 and the nylon oversheath 11 that set gradually from inside to outside, and first shielding layer 2 is inside to be equipped with cable bundle 1, and it has filling layer 18 to fill between cable bundle 1 and the first shielding layer 2.
The polyvinyl chloride insulating layer 7 comprises a polyvinyl chloride inner insulating sleeve and a polyvinyl chloride outer wrapping film wrapping the surface of the polyvinyl chloride inner insulating sleeve. The insulating property of the polyvinyl chloride insulating layer 7 can be effectively improved by the arrangement, and the withstand tension of the surface of the polyvinyl chloride insulating layer 7 can be increased.
The polyvinyl chloride insulating layer 7 is provided with a convex part 8 extending into the petroleum paste layer 9. The setting of bulge 8 can make when producing the processing cable, and petroleum jelly layer 9 can set up in polyvinyl chloride insulating layer 7 surfaces more evenly, and petroleum jelly layer 9 can not only play dampproofing and insulating effect, can also play fine waterproof and cushioning effect.
A flame-retardant layer is arranged between the anticorrosive layer 10 and the nylon outer sheath 11, and the flame-retardant layer is made of low-smoke halogen-free flame-retardant polyolefin materials and can achieve a certain fireproof effect.
The filling layer 18 is made of epoxy resin, and the flexibility of the cable is improved due to the filling layer 18.
The cable harness 1 comprises a copper conductor 12, a rubber insulating layer 13, a second shielding layer 14 and a cable outer sheath 15 which are sequentially arranged from inside to outside, a reinforcing strip 16 is connected between the copper conductor 12 and the rubber insulating layer 13, and an elastic buffer layer 17 is arranged between the copper conductor 12 and the rubber insulating layer 13.
The copper conductor 12 is coated with a polyurethane insulating layer, and the arrangement of the rubber insulating layer 13 and the polyurethane insulating layer can effectively improve the insulating property of the cable bundle 1.
The first shielding layer 2 is electrically connected with the second shielding layer 14, the first shielding layer 2 is grounded, and the first shielding layer 2 and the second shielding layer 14 are tinned copper wire braided belts. Compared with the common shielding layer, the shielding structure can obtain better shielding effect, and further reduce the interference from external electromagnetic signals.
Be equipped with elastic buffer spare between inner sheath 3 and polyvinyl chloride insulating layer 7, elastic buffer spare include with the fixed first elastic block 4 of inner sheath 3 outer wall, with the fixed second elastic block 6 of polyvinyl chloride insulating layer 7 inner wall to and connect the elastic connection post 5 between first elastic block 4, second elastic block 6.
The arrangement of the reinforcing strips 16 and the elastic buffer layer 17 can effectively enable the cable bundle 1 to be more resistant to bending, and the bending resistance of the cable bundle 1 is improved; the elastic buffer piece can improve the overall structural strength of the cable, and is convenient to lay and use.
In this application technical scheme, anticorrosive coating 10 is inside to be provided with the water-cooling microtubule along circumferencial direction evenly distributed, and anticorrosive coating 10 adopts the phenolic resin material to make. The water-cooled micro-tube can be used for dissipating heat of the cable during operation, and the working temperature of the cable is reduced, so that the cable can support larger working current, and the overload capacity is effectively improved.
The water-cooled microtubes can be tiled along the axial direction of the cable and uniformly distributed in the anticorrosive layer 10 along the circumferential direction, and can also be spirally wound in the anticorrosive layer 10, and cooling water can be introduced into the water-cooled microtubes.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (9)
1. The utility model provides an insulating nylon sheath cable of polyvinyl chloride which characterized in that: the cable bundle is characterized by comprising a first shielding layer (2), an inner sheath (3), a polyvinyl chloride insulating layer (7), a petroleum paste layer (9), an anticorrosive layer (10) and a nylon outer sheath (11) which are sequentially arranged from inside to outside, wherein a cable bundle (1) is arranged inside the first shielding layer (2), and a filling layer (18) is filled between the cable bundle (1) and the first shielding layer (2);
the cable bundle (1) comprises a copper conductor (12), a rubber insulating layer (13), a second shielding layer (14) and a cable outer sheath (15) which are sequentially arranged from inside to outside, a reinforcing strip (16) is connected between the copper conductor (12) and the rubber insulating layer (13), and an elastic buffer layer (17) is arranged between the copper conductor (12) and the rubber insulating layer (13);
be equipped with elastic buffer spare between inner sheath (3) and polyvinyl chloride insulating layer (7), elastic buffer spare include with inner sheath (3) outer wall fixed first elastic block (4), with polyvinyl chloride insulating layer (7) inner wall fixed second elastic block (6) to and connect in elastic connecting post (5) between first elastic block (4), second elastic block (6).
2. The polyvinyl chloride insulated nylon jacketed cable of claim 1, wherein: the polyvinyl chloride insulating layer (7) comprises a polyvinyl chloride inner insulating sleeve and a polyvinyl chloride outer wrapping film wrapping the surface of the polyvinyl chloride inner insulating sleeve.
3. The polyvinyl chloride insulated nylon jacketed cable of claim 2, wherein: the copper conductor (12) is coated with a polyurethane insulating layer.
4. The polyvinyl chloride insulated nylon jacketed cable of claim 2, wherein: and a convex part (8) extending into the petroleum paste layer (9) is arranged on the polyvinyl chloride insulating layer (7).
5. The polyvinyl chloride insulated nylon jacketed cable of claim 1, wherein: the first shielding layer (2) is electrically connected with the second shielding layer (14), the first shielding layer (2) is grounded, and the first shielding layer (2) and the second shielding layer (14) are tinned copper wire braided belts.
6. The polyvinyl chloride insulated nylon jacketed cable of claim 1, wherein: and water-cooling micro pipes are uniformly distributed in the anticorrosive layer (10) along the circumferential direction.
7. The polyvinyl chloride insulated nylon jacketed cable of claim 6, wherein: the anticorrosive layer (10) is made of phenolic resin.
8. The polyvinyl chloride insulated nylon jacketed cable of claim 1, wherein: be equipped with fire-retardant layer between anticorrosive coating (10) and nylon oversheath (11), fire-retardant layer adopts low smoke and zero halogen flame retardant polyolefin material to make.
9. The polyvinyl chloride insulated nylon jacketed cable of claim 1, wherein: the filling layer (18) is made of epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271890.1A CN112435782A (en) | 2020-11-13 | 2020-11-13 | Polyvinyl chloride insulation nylon sheath cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011271890.1A CN112435782A (en) | 2020-11-13 | 2020-11-13 | Polyvinyl chloride insulation nylon sheath cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112435782A true CN112435782A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011271890.1A Pending CN112435782A (en) | 2020-11-13 | 2020-11-13 | Polyvinyl chloride insulation nylon sheath cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112435782A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068074A (en) * | 2021-11-06 | 2022-02-18 | 浙江亘古电缆股份有限公司 | Novel high load heap wire |
| CN116111370A (en) * | 2023-04-03 | 2023-05-12 | 广东百冠技术开发有限公司 | Anti-aging polyvinyl chloride cable and preparation method thereof |
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| CN207800210U (en) * | 2018-02-06 | 2018-08-31 | 东莞市粤振电线电缆有限公司 | A water-cooled cable |
| CN208460419U (en) * | 2018-07-11 | 2019-02-01 | 红旗电缆电器仪表集团有限公司 | A kind of polyvinyl chloride nylon flexible wire cable that insulation effect is good |
| CN208507271U (en) * | 2018-06-15 | 2019-02-15 | 扬州市金阳光电缆有限公司 | A kind of anti-oxidant special cable for wind-power electricity generation |
| CN208565849U (en) * | 2018-08-10 | 2019-03-01 | 张春阳 | A kind of constructional engineering composite tube |
| CN208873521U (en) * | 2018-11-28 | 2019-05-17 | 昆明兴云电线电缆制造有限公司 | A kind of cable that resistance to compression shield effectiveness is good |
| CN111145952A (en) * | 2019-12-13 | 2020-05-12 | 西安世锐软件有限责任公司 | Durable computer network communication cable |
| CN211062503U (en) * | 2019-12-27 | 2020-07-21 | 宜兴华源电工设备有限公司 | Flame-retardant PVC insulating sheath |
| CN211181705U (en) * | 2019-12-31 | 2020-08-04 | 江苏中利集团股份有限公司 | Waterproof photovoltaic cable |
| CN211455329U (en) * | 2019-12-26 | 2020-09-08 | 张士兰 | Multifunctional double-protective-shell low-voltage cable |
-
2020
- 2020-11-13 CN CN202011271890.1A patent/CN112435782A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207800210U (en) * | 2018-02-06 | 2018-08-31 | 东莞市粤振电线电缆有限公司 | A water-cooled cable |
| CN208507271U (en) * | 2018-06-15 | 2019-02-15 | 扬州市金阳光电缆有限公司 | A kind of anti-oxidant special cable for wind-power electricity generation |
| CN208460419U (en) * | 2018-07-11 | 2019-02-01 | 红旗电缆电器仪表集团有限公司 | A kind of polyvinyl chloride nylon flexible wire cable that insulation effect is good |
| CN208565849U (en) * | 2018-08-10 | 2019-03-01 | 张春阳 | A kind of constructional engineering composite tube |
| CN208873521U (en) * | 2018-11-28 | 2019-05-17 | 昆明兴云电线电缆制造有限公司 | A kind of cable that resistance to compression shield effectiveness is good |
| CN111145952A (en) * | 2019-12-13 | 2020-05-12 | 西安世锐软件有限责任公司 | Durable computer network communication cable |
| CN211455329U (en) * | 2019-12-26 | 2020-09-08 | 张士兰 | Multifunctional double-protective-shell low-voltage cable |
| CN211062503U (en) * | 2019-12-27 | 2020-07-21 | 宜兴华源电工设备有限公司 | Flame-retardant PVC insulating sheath |
| CN211181705U (en) * | 2019-12-31 | 2020-08-04 | 江苏中利集团股份有限公司 | Waterproof photovoltaic cable |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068074A (en) * | 2021-11-06 | 2022-02-18 | 浙江亘古电缆股份有限公司 | Novel high load heap wire |
| CN114068074B (en) * | 2021-11-06 | 2023-08-29 | 浙江亘古电缆股份有限公司 | Novel high-load stacked wire |
| CN116111370A (en) * | 2023-04-03 | 2023-05-12 | 广东百冠技术开发有限公司 | Anti-aging polyvinyl chloride cable and preparation method thereof |
| CN116111370B (en) * | 2023-04-03 | 2023-08-25 | 广东达立线缆科技有限公司 | Anti-aging polyvinyl chloride cable and preparation method thereof |
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| PB01 | Publication | ||
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Application publication date: 20210302 |