CN106098216A - A kind of digital communication and transmission cable - Google Patents
A kind of digital communication and transmission cable Download PDFInfo
- Publication number
- CN106098216A CN106098216A CN201610723853.7A CN201610723853A CN106098216A CN 106098216 A CN106098216 A CN 106098216A CN 201610723853 A CN201610723853 A CN 201610723853A CN 106098216 A CN106098216 A CN 106098216A
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- CN
- China
- Prior art keywords
- parts
- digital communication
- transmission cable
- sheath
- insulating barrier
- 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.)
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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
- 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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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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
- H01B3/427—Polyethers
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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
- H01B3/441—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 alkenes
-
- 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
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention provides a kind of digital communication and transmission cable, belong to electrician's articles for use technical field.It solving existing cable fire resistance and mechanical performance and communication performance can not the technical problem such as guarantee simultaneously.This digital communication and transmission cable includes sheath and battery core, and battery core is wrapped with insulating barrier, and insulating barrier is wrapped with foil shielding layer；Sheath wraps up all of battery core, insulating barrier and foil shielding layer, and the inner surface of sheath is additionally provided with flame-retardant layer；Flame-retardant layer proportioning raw materials is polyphenylene oxide resin 20～45%, thermoplastic elastomer (TPE) 20～35%, vistanex 6～14%, halogen-free flame retardants 13～35%, lubricant 2～3%.By optimizing the formula of fire retardant in the present invention so that flame retardant effect more preferably, and reduces the adverse effect to cable machinery performance and communication performance as far as possible.
Description
Technical field
The invention belongs to digital communication articles for use technical field, relate to a kind of digital communication and transmission cable.
Background technology
Digital communication and transmission cable is with the fastest developing speed in various cable one.But cable is giving society's offer convenient
While also bring the risk of fire, cable is because self and external reason are ignited, it is possible to along cable laying
Direction run wild in building, refire other combustibles, cause bigger fire, cable also can when burning simultaneously
Produce various poisonous smog, cause the loss of lives and properties, therefore more and more higher to the flame-retardancy requirements of cable.Cable fire-retardant
Performance depends on its covering material used, and the most fire-retardant CABLE MATERIALS, the particularly CABLE MATERIALS of high fire-retardance are cables
Fire-retardant key.Conventional PVC cable material needs to add substantial amounts of fire retardant to reach suitable fire resistance, causes machinery
Performance and the significantly decline of electrical property.And traditional PVC cable PVC mixture when fire occurs easily is divided after being heated
Solution effusion has severe toxicity in a large number, be corrosive hydrogen chloride gas, and produces substantial amounts of severe toxicity dense smoke.
Chinese patent (notification number: CN204102605U, publication date: 2015-01-14) discloses a kind of insulated compound Halogen
Flame-retardant electric wire and cable, including conductor, is provided with screen layer, is provided with DMC/SBR/MVQ composite insulation layer outside screen layer outside conductor,
It is provided with ceramic silicon rubber layer outside DMC/SBR/MVQ composite insulation layer, is provided with expanding layer outside ceramic silicon rubber layer, between conductor
It is filled with flame-retarding glass fiber filler yarn, is provided with inhibiting tape outside whole conductor and flame-retarding glass fiber filler yarn, outside inhibiting tape
Portion is provided with expansion band, expands and is provided with DMC/SBR/MVQ composite protection layer outside band, sets outside DMC/SBR/MVQ composite protection layer
Having EVA adhesive layer, be provided with politef/polyimides composite bed outside EVA adhesive layer, politef/polyimides is multiple
Close and be coated with uvioresistant layer outside layer；DMC/SBR/MVQ composite insulation layer, DMC/SBR/MVQ composite protection layer are all insulation
Flame retardant type DMC/SBR/MVQ compound resin layer.
Above-mentioned patent documentation uses flame-retarding glass fiber filler yarn play flame retardant effect, reduce the mechanical performance of cable
And communication performance.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that a kind of digital communication and transmission cable,
The technical problem to be solved is: how to improve its anti-flammability while ensureing cable machinery performance and communication performance
Energy.
The purpose of the present invention can be realized by following technical proposal:
A kind of digital communication and transmission cable, including sheath and battery core, described battery core is wrapped with insulating barrier, and its feature exists
In, described insulating barrier is wrapped with foil shielding layer；Described sheath wraps up all of battery core, insulating barrier and foil shielding layer,
It is additionally provided with flame-retardant layer on the inner surface of described sheath；Described flame-retardant layer proportioning raw materials is polyphenylene oxide resin 20～45%, thermoplasticity
Elastomer 20～35%, vistanex 6～14%, halogen-free flame retardants 13～35%, lubricant 2～3%.
The halogens such as its principle is as follows: without C1, Br in material, F, will not produce the most completely harmful gas and
Corrosive gas, and during burning, the amount of being fuming is few, has good anti-flammability, does not also contain and environment can be caused injurious effects
Lead, every, the heavy metal such as chromium, hydrargyrum, recyclable recycling after cable is discarded, bury cover, will not environmental danger when burning.This technology
By optimizing the formula of fire retardant in scheme so that flame retardant effect more preferably, and reduces as far as possible cable machinery performance and leads to
The adverse effect of letter performance.
In above-mentioned digital communication and transmission cable, as preferably, flame-retardant layer proportioning raw materials is polyphenylene oxide resin 40%, heat
Thermoplastic elastic 30%, vistanex 10%, halogen-free flame retardants 17.5%, lubricant 2.5%.Use in-lubricant and Wai Run
The halogen-free flame-retardant wire CABLE MATERIALS of the compounding preparation of lubrication prescription, had both had the scratch resistance of excellence, had not the most damaged original mechanical property
Energy, fire resistance, outward appearance and soft feel.Without any noxious substance, anti-aging, life-span were up to more than 100 years；And resistance to height
Temperature, its maximum operating temperature is up to 150 DEG C.
In above-mentioned digital communication and transmission cable, the proportioning raw materials of described sheath is: PCV S-70 100 parts, DOTP
32 parts, epoxy soybean oil 3 parts, B45-Z 10 parts, aluminium hydroxide 25 parts, 20 parts of magnesium hydroxide, calcium zinc stabilizer 5 parts, three oxidation
Two 6 parts of antimony, Firebrake ZB 10 parts, zinc 6 parts, AOM 9 parts, nanoclay 10 parts, calcium stearate 0.5 part and stearic acid 0.6
Part.By optimizing sheath proportioning raw materials, further make the mechanical performance of cable and electrical property be guaranteed, the most also have excellent
Different fire resistance.
In above-mentioned digital communication and transmission cable, the smooth rounding of described jacket outer surface, the elongation percentage of described sheath >=
125%, the tensile strength of described sheath is more than 12.5MPa.Improve sheathing technique, screw slenderness ratio 25:1, bringing-up section 7
Section, wherein 1-4 is fuselage bringing-up section, and its temperature is followed successively by 125 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, and 5 sections is head, temperature 170
DEG C, 6 sections is machine neck, temperature 175 DEG C, and the 7th section is die head temperature 180 DEG C, 80 meters/min of pull wire speed, screw speed 60,
In above-mentioned digital communication and transmission cable, described battery core is 6 pairs of UTP5 pair twist wires, and each wire all uses
The copper conductor of AWG24 is made, and is all enclosed with described insulating barrier outside each wire.So disclosure satisfy that the communication requirement of standard.
In above-mentioned digital communication and transmission cable, described insulating barrier use FEP make, described insulating barrier include from interior to
Endodermis, foaming layer and the exodermis set gradually outward；The thickness of described endodermis and exodermis is 0.02mm.
Insulating barrier in the technical program can also use the Chinese patent literature of Patent No. CN201110137218.8
In halogen-free environmental material make.
In above-mentioned digital communication and transmission cable, the external diameter of described sheath is 5mm, and described sheath wall thickness is 0.5mm.Its
Mechanical mechanics property is good, can be by the combustion testing of UL910 or NFPA262.
In above-mentioned digital communication and transmission cable, the outer surface of described sheath is through thermal spraying method plating last layer 60 μ m-thick
Zinc coating, further around the vinyl strap comprising cycloheximide microencapsulation on described zinc coating.So effectively can do harm to by dampproof protection against insects, carry
The service life of high cable and communication efficiency.
Compared with prior art, by optimizing the formula of fire retardant in the present invention so that flame retardant effect more preferably, and as far as possible
Reduce cable machinery performance and the adverse effect of communication performance.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of this digital communication and transmission cable.
In figure, 1, sheath；2, battery core；3, foil shielding layer；4, flame-retardant layer；5, insulating barrier；6, zinc coating；7, vinyl strap.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As it is shown in figure 1, this digital communication and transmission cable includes sheath 1 and battery core 2, battery core 2 is wrapped with insulating barrier 5, tool
For body, battery core 2 is 6 pairs of UTP5 pair twist wires, and each wire all uses the copper conductor of AWG24 to make, all wraps outside each wire
Being wrapped with insulating barrier 5, all insulating barriers 5 are wrapped with foil shielding layer 3；Sheath 1 wraps up all of battery core 2, insulating barrier 5 and aluminum
Paper tinsel screen layer 3, the inner surface of sheath 1 is additionally provided with flame-retardant layer 4；Flame-retardant layer 4 proportioning raw materials is polyphenylene oxide resin 20～45%, heat
Thermoplastic elastic 20～35%, vistanex 6～14%, halogen-free flame retardants 13～35%, lubricant 2～3%；Above-mentioned material
In without C1, Br, the halogen such as F, harmful gas and corrosive gas will not be produced the most completely, and be fuming during burning
Amount is few, has good anti-flammability, does not also contain and environment can cause the lead of injurious effects, every, the heavy metal such as chromium, hydrargyrum, electricity
Recyclable recycling after cable is discarded, bury cover, will not environmental danger when burning.By optimizing joining of fire retardant in the present embodiment
Side so that flame retardant effect more preferably, and reduces the adverse effect to cable machinery performance and communication performance as far as possible.
Further, as preferably, in the present embodiment, flame-retardant layer 4 proportioning raw materials is polyphenylene oxide resin 40%, thermoplastic elastomehc
Gonosome 30%, vistanex 10%, halogen-free flame retardants 17.5%, lubricant 2.5%, employing in-lubricant and external lubricant
The halogen-free flame-retardant wire CABLE MATERIALS of compounding preparation, had both had the scratch resistance of excellence, did not the most damage original mechanical property, fire-retardant
Performance, outward appearance and soft feel.Without any noxious substance, anti-aging, life-span were up to more than 100 years；And high temperature resistant, it is
Elevated operating temperature is up to 150 DEG C；The proportioning raw materials of sheath 1 is: PCV S-70 100 parts, DOTP 32 parts, epoxy soybean oil 3 parts,
B45-Z 10 parts, aluminium hydroxide 25 parts, 20 parts of magnesium hydroxide, calcium zinc stabilizer 5 parts, antimony oxide 6 parts, Firebrake ZB 10 parts,
Zinc 6 parts, AOM 9 parts, nanoclay 10 parts, calcium stearate 0.5 part and stearic acid 0.6 part.By optimizing sheath 1 raw material
Proportioning, further makes the mechanical performance of cable and electrical property be guaranteed, and the most also has the fire resistance of excellence.
Sheath 1 smooth outer surface rounding in the present embodiment, elongation percentage >=125% of sheath 1, the tensile strength of sheath 1 is big
In 12.5MPa.Improving sheath 1 expressing technique, screw slenderness ratio 25:1, bringing-up section 7 sections, wherein 1-4 is fuselage bringing-up section, its temperature
Degree is followed successively by 125 DEG C, 145 DEG C, 155 DEG C, 165 DEG C, and 5 sections is head, temperature 170 DEG C, and 6 sections is machine neck, temperature 175 DEG C, the 7th section
For die head temperature 180 DEG C, 80 meters/min of pull wire speed, screw speed 60；Insulating barrier 5 uses FEP to make, insulating barrier 5 include from
Interior endodermis, foaming layer and the exodermis set gradually to outward；The thickness of endodermis and exodermis is 0.02mm；Sheath 1
External diameter is 5mm, and sheath 1 wall thickness is 0.5mm, and mechanical mechanics property is good, can be by the combustion testing of UL910 or NFPA262.
Further, the outer surface of sheath 1 through thermal spraying method plating last layer 60 μ m-thick zinc coating 6, on zinc coating 6 further around
Comprise the vinyl strap 7 of cycloheximide microencapsulation, so can effective dampproof protection against insects evil, improve service life of cable and communicate
Effect.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Although the most more employing 1, sheath；2, battery core；3, foil shielding layer；4, flame-retardant layer；5, insulating barrier；6, zinc
Coating；7, the term such as vinyl strap, but it is not precluded from using the probability of other term.These terms are used to be only used to more square
Just the essence of the present invention is described and explained；Being construed as any additional restriction is all to disagree with spirit of the present invention
The back of the body.
Claims (8)
1. a digital communication and transmission cable, including sheath (1) and battery core (2), described battery core (2) is wrapped with insulating barrier (5),
It is characterized in that, described insulating barrier (5) is wrapped with foil shielding layer (3)；Described sheath (1) wraps up all of battery core (2), absolutely
Edge layer (5) and foil shielding layer (3), the inner surface of described sheath (1) is additionally provided with flame-retardant layer (4)；Described flame-retardant layer (4) is former
Material proportioning is polyphenylene oxide resin 20～45%, thermoplastic elastomer (TPE) 20～35%, vistanex 6～14%, halogen-free flame retardants
13～35%, lubricant 2～3%.
Digital communication and transmission cable the most according to claim 1, it is characterised in that flame-retardant layer (4) proportioning raw materials is polyphenyl
Ether resin 40%, thermoplastic elastomer (TPE) 30%, vistanex 10%, halogen-free flame retardants 17.5%, lubricant 2.5%.
Digital communication and transmission cable the most according to claim 1 and 2, it is characterised in that the proportioning raw materials of described sheath (1)
For: PCV S-70 100 parts, DOTP 32 parts, epoxy soybean oil 3 parts, B45-Z 10 parts, aluminium hydroxide 25 parts, magnesium hydroxide 20
Part, calcium zinc stabilizer 5 parts, antimony oxide 6 parts, Firebrake ZB 10 parts, zinc 6 parts, AOM 9 parts, nanoclay 10 parts, tristearin
Acid calcium 0.5 part and stearic acid 0.6 part.
Digital communication and transmission cable the most according to claim 3, it is characterised in that described sheath (1) smooth outer surface circle
Whole, elongation percentage >=125% of described sheath (1), the tensile strength of described sheath (1) is more than 12.5MPa.
Digital communication and transmission cable the most according to claim 1 and 2, it is characterised in that described battery core (2) is 6 couples of UTP5
Pair twist wire, each wire all uses the copper conductor of AWG24 to make, and is all enclosed with described insulating barrier (5) outside each wire.
Digital communication and transmission cable the most according to claim 5, it is characterised in that described insulating barrier (5) uses FEP system
Becoming, described insulating barrier (5) includes endodermis, foaming layer and the exodermis set gradually from inside to outside；Described endodermis is with outer
The thickness of cortex is 0.02mm.
Digital communication and transmission cable the most according to claim 1 and 2, it is characterised in that the external diameter of described sheath (1) is
5mm, described sheath (1) wall thickness is 0.5mm.
Digital communication and transmission cable the most according to claim 7, it is characterised in that the outer surface of described sheath (1) is through warm
The zinc coating (6) of metallikon plating last layer 60 μ m-thick, further around the ethylene comprising cycloheximide microencapsulation on described zinc coating (6)
Band (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723853.7A CN106098216B (en) | 2016-08-24 | 2016-08-24 | A kind of digital communication and transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610723853.7A CN106098216B (en) | 2016-08-24 | 2016-08-24 | A kind of digital communication and transmission cable |
Publications (2)
| Publication Number | Publication Date |
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| CN106098216A true CN106098216A (en) | 2016-11-09 |
| CN106098216B CN106098216B (en) | 2017-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610723853.7A Active CN106098216B (en) | 2016-08-24 | 2016-08-24 | A kind of digital communication and transmission cable |
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| Country | Link |
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| CN (1) | CN106098216B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810491A (en) * | 2018-12-29 | 2019-05-28 | 安徽天康(集团)股份有限公司 | A kind of flame retardant type high voltage power cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002163939A (en) * | 2000-11-27 | 2002-06-07 | Showa Electric Wire & Cable Co Ltd | Cable with covering layer containing microcapsule containing plasticizer |
| CN102731933A (en) * | 2012-06-26 | 2012-10-17 | 江苏三角洲塑化有限公司 | Low shrinkage flame retardation PVC protective layer material used for indoor optical cable and its preparation method |
| CN102775756A (en) * | 2012-07-27 | 2012-11-14 | 金发科技股份有限公司 | Scrape resistant halogen-free flame retardant composition of wire and cable and preparation method thereof |
| CN104575742A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Anti-interference cable |
-
2016
- 2016-08-24 CN CN201610723853.7A patent/CN106098216B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002163939A (en) * | 2000-11-27 | 2002-06-07 | Showa Electric Wire & Cable Co Ltd | Cable with covering layer containing microcapsule containing plasticizer |
| CN102731933A (en) * | 2012-06-26 | 2012-10-17 | 江苏三角洲塑化有限公司 | Low shrinkage flame retardation PVC protective layer material used for indoor optical cable and its preparation method |
| CN102775756A (en) * | 2012-07-27 | 2012-11-14 | 金发科技股份有限公司 | Scrape resistant halogen-free flame retardant composition of wire and cable and preparation method thereof |
| CN104575742A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Anti-interference cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109810491A (en) * | 2018-12-29 | 2019-05-28 | 安徽天康(集团)股份有限公司 | A kind of flame retardant type high voltage power cable |
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| Publication number | Publication date |
|---|---|
| CN106098216B (en) | 2017-08-29 |
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Address after: No.308, Haixing West Road, Wuyuan street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Jiaxing multi angle wire and cable Co., Ltd Address before: 314300 No. 388 Xinqiao North Road, Wuyuan Town, Haiyan County, Zhejiang, Jiaxing Patentee before: JIAXING DUOLINK ELECTRIC WIRE&CABLE Co.,Ltd. |
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