CN112435782A - Polyvinyl chloride insulation nylon sheath cable - Google Patents

Polyvinyl chloride insulation nylon sheath cable Download PDF

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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
Authority
CN
China
Prior art keywords
layer
polyvinyl chloride
cable
insulating layer
shielding layer
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
Application number
CN202011271890.1A
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Chinese (zh)
Inventor
肖强
祝关平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongling Tongquan Cable Wire Co ltd
Original Assignee
Tongling Tongquan Cable Wire Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongling Tongquan Cable Wire Co ltd filed Critical Tongling Tongquan Cable Wire Co ltd
Priority to CN202011271890.1A priority Critical patent/CN112435782A/en
Publication of CN112435782A publication Critical patent/CN112435782A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/02Disposition of insulation
    • H01B7/0208Cables with several layers of insulating material
    • H01B7/0225Three or more layers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/28Insulators 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/42Insulators 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
    • H01B3/421Polyesters
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30Insulators 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
    • H01B3/44Insulators 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
    • H01B3/443Insulators 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection 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

Polyvinyl chloride insulation nylon sheath cable
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.
CN202011271890.1A 2020-11-13 2020-11-13 Polyvinyl chloride insulation nylon sheath cable Pending CN112435782A (en)

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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CN202011271890.1A Pending CN112435782A (en) 2020-11-13 2020-11-13 Polyvinyl chloride insulation nylon sheath cable

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Cited By (2)

* Cited by examiner, † Cited by third party
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

Citations (9)

* Cited by examiner, † Cited by third party
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 kind of 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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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 kind of 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)

* Cited by examiner, † Cited by third party
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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Application publication date: 20210302