CN109360688A - Tension insulation PVC communication cable - Google Patents

Tension insulation PVC communication cable Download PDF

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Publication number
CN109360688A
CN109360688A CN201811507939.1A CN201811507939A CN109360688A CN 109360688 A CN109360688 A CN 109360688A CN 201811507939 A CN201811507939 A CN 201811507939A CN 109360688 A CN109360688 A CN 109360688A
Authority
CN
China
Prior art keywords
layer
polyvinyl chloride
coating
fire
outside
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
CN201811507939.1A
Other languages
Chinese (zh)
Inventor
吴长青
王乃斌
徐丹
王丹丹
苏银玉
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.)
Jiangsu Akt Cable Technology Co Ltd
Original Assignee
Jiangsu Akt Cable Technology 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 Jiangsu Akt Cable Technology Co Ltd filed Critical Jiangsu Akt Cable Technology Co Ltd
Priority to CN201811507939.1A priority Critical patent/CN109360688A/en
Publication of CN109360688A publication Critical patent/CN109360688A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00Communication cables or conductors
    • 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
    • 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
    • H01B7/04Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • H01B7/1875Multi-layer sheaths
    • 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
    • H01B7/28Protection against damage caused by moisture, corrosion, chemical attack or weather
    • 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
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/292Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • 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
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame

Landscapes

  • Insulated Conductors (AREA)

Abstract

The invention discloses tension insulation PVC communication cables, including metallic conductor, fire-retardant separation layer, coating, high temperature resistant polyvinyl chloride insulation layer, tensile layer, flame-proof polyvinyl chloride restrictive coating, the center of metallic conductor is equipped with the through-hole for being passed through inert protective gas, fire-retardant separation layer is set to outside metallic conductor, coating is SE3 type rubber mixture of the tensile strength in 12Mpa or more, and coating is set to outside fire-retardant separation layer, high temperature resistant polyvinyl chloride insulation layer is coated on outside coating, tensile layer is coated on outside high temperature resistant polyvinyl chloride insulation layer, flame-proof polyvinyl chloride restrictive coating is coated on outside tensile layer, tensile strength is added in the SE3 type rubber mixture coating of 12Mpa or more by fire-retardant separation layer, Double-layer flame-retardant is formed with external high temperature resistant polyvinyl chloride insulation layer, fire line and flexibility are more preferable , under the standard of GB/T2951.6-1997 and GB5013.6-1997, in being preheating to 150 ° of ± 3 ° of air -ovens, it is able to maintain 5 hours and flawless, substantially increases the safety coefficient of cable.

Description

Tension insulation PVC communication cable
Technical field
The present invention relates to field of cable technology, in particular to tension insulation PVC communication cable.
Background technique
With the rapid development of the national economy, the wire and cable as national economy aorta, dosage and use scope It is increasing.In recent years, the industries such as power plant, substation, smelting and petrochemical industry, it is very big to the demand of cable.Electric power Cable is the power transmission line for being used for transmission and distributing electric energy, is usually used in Urban Underground power grid, the lead line in power station, industrial and mining enterprises In-line power and crossing river and sea submarine transmission line, there are also dedicated for the places such as subway tunnel, light rail electric wire.
Until now, the existing power cable standard of country, the environment temperature of product when in use can not be more than 90 degree, it otherwise will lead to cable and wire damage, shorten life of product.It is certain it is special claim environment temperatures be higher than 90 degree just can not so that With.
According to the standard of GB/T2951.6-1997 and GB5013.6-1997, sample of cable should preheat in air -oven Sample answers flawless after being kept for 1 hour when to 150 ° ± 3 °, but in some electric welding machine operation fields, usual working environment compared with Be it is severe, generate heat obvious, if cable, only to be up to standard, the time is long, influence the service efficiency and safety of cable Production.
In the market, cable and wire provided by the prior art has oxidizable, and conductor is easy loosely, to cause cable high pressure resistant Effect is poor and tensile strength, intensity resistant to bending, environmental-protecting performance be not high.
Summary of the invention
The object of the present invention is to provide a kind of temperature resistant grade height, fire resistance is strong, tensile strength is high, the combustion of safety durable, product Carbonization height, smoke density, flue gas toxity meet public place combustibility standard requirements when burning, and insulation effect is preferable, filling It is solid, the longer tension insulation PVC communication cable of whole service life.
Above-mentioned technical purpose of the invention has the technical scheme that tension insulation PVC is logical Communication cable, including metallic conductor, fire-retardant separation layer, coating, high temperature resistant polyvinyl chloride insulation layer, tensile layer, fire-retardant polychlorostyrene second Alkene restrictive coating, the center of the metallic conductor are equipped with the through-hole for being passed through inert protective gas, the fire-retardant separation layer setting In outside metallic conductor, the coating is SE3 type rubber mixture of the tensile strength in 12Mpa or more, and coating is set to resistance It fires outside separation layer, the high temperature resistant polyvinyl chloride insulation layer is coated on outside coating, and the tensile layer is coated on high temperature resistant polychlorostyrene Outside ethylene insulating layer, the flame-proof polyvinyl chloride restrictive coating is coated on outside tensile layer.
Preferably, the fire-retardant separation layer is made of flame retardant fabric.
Preferably, the metallic conductor is copper wire core.
Preferably, the diameter of the copper wire core is between 1.2-19.2mm.
Preferably, the section of the copper wire core is round or fan-shaped.
Preferably, the thickness of the high temperature resistant polyvinyl chloride insulation layer is between 0.5-2.6mm.
Preferably, the thickness of the flame-proof polyvinyl chloride restrictive coating is between 1.5-2.8mm.
Preferably, the flame-proof polyvinyl chloride restrictive coating is made using fire-resistant cable material.
Preferably, the tensile layer is using polyester belt on high temperature resistant polyvinyl chloride insulation layer.
Beneficial effects of the present invention are as follows:
1, by fire-retardant separation layer plus tensile strength 12Mpa or more SE3 type rubber mixture coating, and it is external resistance to High temperature polyvinyl chloride insulation layer forms Double-layer flame-retardant, and fire line and flexibility are more preferable, in GB/T2951.6-1997 and Under the standard of GB5013.6-1997, in being preheating to 150 ° of ± 3 ° of air -ovens, it is able to maintain 5 hours and flawless, significantly Improve the safety coefficient of cable;
2, simultaneously, temperature resistant grade is high, and fire resistance is strong, safety durable, carbonization height, smoke density, flue gas toxity symbol when product burns Public place combustibility standard requirements are closed, it is free from environmental pollution, so that integral product service life is higher, meets actual use and want It asks;
3, change by making central through hole transmission protective gas using conducting wire itself, saved cost, the operation is more convenient;
4, tensile layer can increase the tensile strength of cable, while realize the indehiscent effect of acute angle bending.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after, inside and outside ...) of institute in the embodiment of the present invention It is only used for explaining relative positional relationship, motion conditions etc. between component each under a certain particular pose, if the particular pose When changing, then directionality instruction also correspondingly changes correspondingly.In addition, the technical solution between each embodiment can phase Mutually combine, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occur it is mutual Contradiction or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection scope it It is interior.
Referring to Fig.1, tension insulation PVC communication cable, including metallic conductor 10, fire-retardant separation layer 20, coating 30, high temperature resistant polyvinyl chloride insulation layer 40, tensile layer 50, flame-proof polyvinyl chloride restrictive coating 60, the center of the metallic conductor 10 Equipped with the through-hole 11 for being passed through inert protective gas, the fire-retardant separation layer 20 is set to outside metallic conductor 10, the covering Layer 30 is SE3 type rubber mixture of the tensile strength in 12Mpa or more, and coating 30 is set to outside fire-retardant separation layer 20, described High temperature resistant polyvinyl chloride insulation layer 40 is coated on outside coating 30, and the tensile layer 50 is coated on high temperature resistant polyvinyl chloride insulation layer Outside 40, the flame-proof polyvinyl chloride restrictive coating 60 is coated on outside tensile layer 50.
Preferably, the fire-retardant separation layer 20 is made of flame retardant fabric.
Preferably, in actual use, it is more typically passed through carbon dioxide gas in the through-hole of metallic conductor 10, certainly The difference that can also be required according to the difference and processing technology of welding material, is passed through helium, nitrogen or other inert gases.
Preferably, the metallic conductor 10 is copper wire core, and the diameter of the copper wire core, can between 1.2-19.2mm Range of choice is wider, and the thickness of the high temperature resistant polyvinyl chloride insulation layer 40 is between 0.5-2.6mm, and insulation effect is preferable, institute The thickness of flame-proof polyvinyl chloride restrictive coating 60 is stated between 1.5-2.8mm, is played a very good protection.
Preferably, the section of the copper wire core is round or fan-shaped.
Preferably, the flame-proof polyvinyl chloride restrictive coating 60 is made using fire-resistant cable material, makes product in burning, carbonization Highly, smoke density, flue gas toxity meet public place combustibility standard requirements.
Preferably, the tensile layer 50 using polyester belt on high temperature resistant polyvinyl chloride insulation layer 40, polyester belt around Packet can increase the tensile strength of electric wire, while realize the indehiscent effect of acute angle bending.
Preferable implementation of the invention is illustrated above, certainly, the present invention can also use and above-mentioned implementation The different form of mode, those skilled in the art's made equivalent transformation on the premise of without prejudice to spirit of the invention Or corresponding change, all it should belong in protection scope of the present invention.

Claims (9)

1. tension insulation PVC communication cable characterized by comprising
Metallic conductor, the center of the metallic conductor are equipped with the through-hole for being passed through inert protective gas;
Fire-retardant separation layer, the fire-retardant separation layer are set to outside metallic conductor;
Coating, the coating is SE3 type rubber mixture of the tensile strength in 12Mpa or more, and coating is set on fire-retardant Outside separation layer;
High temperature resistant polyvinyl chloride insulation layer, the high temperature resistant polyvinyl chloride insulation layer are coated on outside coating;
Tensile layer, the tensile layer are coated on outside high temperature resistant polyvinyl chloride insulation layer;
Flame-proof polyvinyl chloride restrictive coating, the flame-proof polyvinyl chloride restrictive coating are coated on outside tensile layer.
2. tension insulation PVC communication cable according to claim 1, it is characterised in that: the fire-retardant separation layer by Flame retardant fabric is made.
3. tension insulation PVC communication cable according to claim 1, it is characterised in that: the metallic conductor is copper Silk thread core.
4. tension insulation PVC communication cable according to claim 3, it is characterised in that: the copper wire core it is straight Diameter is between 1.2-19.2mm.
5. tension insulation PVC communication cable according to claim 3, it is characterised in that: the copper wire core is cut Face is round or fan-shaped.
6. tension insulation PVC communication cable according to claim 1, it is characterised in that: the high temperature resistant polychlorostyrene second The thickness of alkene insulating layer is between 0.5-2.6mm.
7. tension insulation PVC communication cable according to claim 1, it is characterised in that: the flame-proof polyvinyl chloride The thickness of restrictive coating is between 1.5-2.8mm.
8. tension insulation PVC communication cable according to claim 1, it is characterised in that: the flame-proof polyvinyl chloride Restrictive coating is made using fire-resistant cable material.
9. tension insulation PVC communication cable according to claim 1, it is characterised in that: the tensile layer is using poly- Ester band is on high temperature resistant polyvinyl chloride insulation layer.
CN201811507939.1A 2018-12-11 2018-12-11 Tension insulation PVC communication cable Pending CN109360688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811507939.1A CN109360688A (en) 2018-12-11 2018-12-11 Tension insulation PVC communication cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811507939.1A CN109360688A (en) 2018-12-11 2018-12-11 Tension insulation PVC communication cable

Publications (1)

Publication Number Publication Date
CN109360688A true CN109360688A (en) 2019-02-19

Family

ID=65331959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811507939.1A Pending CN109360688A (en) 2018-12-11 2018-12-11 Tension insulation PVC communication cable

Country Status (1)

Country Link
CN (1) CN109360688A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050199415A1 (en) * 2004-01-07 2005-09-15 Cable Components Group, Llc Flame retardant and smoke suppressant composite high performance support-separators and conduit tubes
CN205069158U (en) * 2015-10-15 2016-03-02 泛亚电缆有限公司 Insulating polyvinyl chloride jacketed cable of fire -resistant crosslinked polyethylene that combats earthquake
CN208157104U (en) * 2018-05-16 2018-11-27 江苏闪奇电器集团有限公司 Rubber insulation welding machine cable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050199415A1 (en) * 2004-01-07 2005-09-15 Cable Components Group, Llc Flame retardant and smoke suppressant composite high performance support-separators and conduit tubes
CN205069158U (en) * 2015-10-15 2016-03-02 泛亚电缆有限公司 Insulating polyvinyl chloride jacketed cable of fire -resistant crosslinked polyethylene that combats earthquake
CN208157104U (en) * 2018-05-16 2018-11-27 江苏闪奇电器集团有限公司 Rubber insulation welding machine cable

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Application publication date: 20190219