CN106098216B - A kind of digital communication and transmission cable - Google Patents
A kind of digital communication and transmission cable Download PDFInfo
- Publication number
- CN106098216B CN106098216B CN201610723853.7A CN201610723853A CN106098216B CN 106098216 B CN106098216 B CN 106098216B CN 201610723853 A CN201610723853 A CN 201610723853A CN 106098216 B CN106098216 B CN 106098216B
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- Prior art keywords
- sheath
- insulating barrier
- digital communication
- flame
- transmission cable
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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
-
- 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
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- 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 product technical field.It solves existing cable fire resistance and mechanical performance and communication performance can not be while the technical problem such as ensure.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 and is additionally provided with flame-retardant layer on all battery core, insulating barrier and foil shielding layers, the inner surface of sheath；Flame-retardant layer raw 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%.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 product technical field, it is related to a kind of digital communication and transmission cable.
Background technology
Digital communication and transmission cable is with the fastest developing speed in various cables one.But cable is providing facility to society
While also bring the risk of fire, cable because itself and it is external the reason for be ignited, it is possible to along cable laying
Direction run wild in building, refire other combustibles, cause bigger fire, at the same cable burning when can also
Various poisonous smogs are produced, the loss of lives and properties is caused, therefore to the flame-retardancy requirements more and more higher of cable.Cable it is fire-retardant
Performance depends on the covering material that it is used, therefore fire-retardant CABLE MATERIALS, the CABLE MATERIALS of particularly high fire-retardance are cables
Fire-retardant key.Conventional PVC cable material causes machinery to reach that suitable fire resistance needs to add substantial amounts of fire retardant
The significantly decline of performance and electrical property.And traditional PVC cables PVC mixture when fire occurs easily is divided after heated
Solution effusion largely has severe toxicity, be corrosive hydrogen chloride gas, and produces substantial amounts of hypertoxic dense smoke.
Chinese patent (notification number：CN204102605U, publication date：2015-01-14) disclose a kind of insulated compound Halogen
It is provided with outside flame-retardant electric wire and cable, including conductor, conductor outside screen layer, screen layer and is provided with DMC/SBR/MVQ composite insulation layers,
Provided with ceramic silastic-layer outside DMC/SBR/MVQ composite insulation layers, it is provided with outside ceramic silastic-layer between expanding layer, conductor
Filled with flame-retarding glass fiber filler yarn, it is provided with outside whole conductor and flame-retarding glass fiber filler yarn outside inhibiting tape, inhibiting tape
Portion is provided with expansion band, and outside be provided with outside DMC/SBR/MVQ composite protection layers, DMC/SBR/MVQ composite protection layers of expansion band sets
Have and polytetrafluoroethylene (PTFE)/polyimides composite bed is provided with outside EVA adhesive layers, EVA adhesive layers, polytetrafluoroethylene (PTFE)/polyimides is multiple
Close and uvioresistant layer is coated with outside layer；DMC/SBR/MVQ composite insulation layers, DMC/SBR/MVQ composite protection layers are all insulation
Flame retardant type DMC/SBR/MVQ compound resin layers.
Flame retardant effect is played using flame-retarding glass fiber filler yarn in above-mentioned patent document, the mechanical performance of cable is reduced
And communication performance.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of digital communication and transmission cable,
The technical problems to be solved by the invention are：How its anti-flammability is improved while cable machinery performance and communication performance is ensured
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, the battery core are wrapped with insulating barrier, and its feature exists
In the insulating barrier is wrapped with foil shielding layer；The sheath wraps up all battery core, insulating barrier and foil shielding layers,
Flame-retardant layer is additionally provided with the inner surface of the sheath；The flame-retardant layer raw material proportioning is polyphenylene oxide resin 20~45%, thermoplasticity
Elastomer 20~35%, vistanex 6~14%, halogen-free flame retardants 13~35%, lubricant 2~3%.
Its principle is as follows：Be free of C1, Br in material, the halogen such as F, will not produce completely in emergency situations pernicious gas and
Corrosive gas, and smoke amount is few during burning, with good anti-flammability, harmful influence can be caused to environment by also not containing
Lead, every, the heavy metal such as chromium, mercury, recyclable after cable is discarded to recycle, burying will not environmental danger when covering, burning.This technology
By optimizing the formula of fire retardant in scheme so that flame retardant effect more preferably, and reduces to cable machinery performance and logical as far as possible
Believe the adverse effect of performance.
In above-mentioned digital communication and transmission cable, preferably, flame-retardant layer raw material proportioning is polyphenylene oxide resin 40%, heat
Thermoplastic elastic 30%, vistanex 10%, halogen-free flame retardants 17.5%, lubricant 2.5%.Using in-lubricant and outer profit
Halogen-free flame-retardant wire CABLE MATERIALS prepared by the compounding of lubrication prescription, both with excellent scratch resistance, and does not damage original mechanical property
Energy, fire resistance, outward appearance and soft feel.Without any noxious material, 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 raw material proportioning of the sheath is：100 parts of PCV S-70, DOTP
32 parts, 3 parts of epoxidized soybean oil, 10 parts of B45-Z, 25 parts of aluminium hydroxide, 20 parts of magnesium hydroxide, 5 parts of calcium zinc stabilizer, three oxidation
Two 6 parts of antimony, 10 parts of Firebrake ZB, 6 parts of zinc stannate, 9 parts of AOM, 10 parts of nanoclay, 0.5 part of calcium stearate and stearic acid 0.6
Part.By optimizing sheath raw material proportioning, the mechanical performance and electrical property of cable is further set to be guaranteed, while also having excellent
Different fire resistance.
In above-mentioned digital communication and transmission cable, the smooth rounding of jacket outer surface, the elongation percentage of the sheath >=
125%, the tensile strength of the 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 are head, temperature 170
DEG C, 6 sections be machine neck, 175 DEG C of temperature, the 7th section be 180 DEG C of die head temperature, 80 meters/min of pull wire speed, screw speed 60,
In above-mentioned digital communication and transmission cable, the battery core is 6 pairs of UTP5 pair twist wires, and each wire is used
AWG24 copper conductor is made, and the insulating barrier is enclosed with outside each wire.It so disclosure satisfy that the communication requirement of standard.
In above-mentioned digital communication and transmission cable, the insulating barrier is made of FEP, the insulating barrier include from it is interior to
Endodermis, foaming layer and the exodermis set gradually outside；The thickness of the endodermis and exodermis is 0.02mm.
Insulating barrier in the technical program can also use Patent No. CN201110137218.8 Chinese patent literature
In halogen-free environmental material be made.
In above-mentioned digital communication and transmission cable, the external diameter of the sheath is 5mm, and the sheath wall thickness is 0.5mm.Its
Mechanical mechanics property is good, can be by UL910 or NFPA262 combustion testing.
In above-mentioned digital communication and transmission cable, the μ m-thick of last layer 60 is plated in the outer surface of the sheath through thermal spraying method
Further around the vinyl strap for including cycloheximide microencapsulation on zinc coating, the zinc coating.It so dampproof protection against insects can effectively do harm to, carry
The service life and communication efficiency of high cable.
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 to cable machinery performance and the adverse effect of communication performance.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of this digital communication and transmission cable.
In figure, 1, sheath；2nd, battery core；3rd, foil shielding layer；4th, flame-retardant layer；5th, insulating barrier；6th, zinc coating；7th, vinyl strap.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As 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, has
For body, battery core 2 is 6 pairs of UTP5 pair twist wires, and each wire is made of AWG24 copper conductor, wrapped outside each wire
Insulating barrier 5 is wrapped with, all insulating barriers 5 are wrapped with foil shielding layer 3；Sheath 1 wraps up all battery cores 2, insulating barrier 5 and aluminium
Flame-retardant layer 4 is additionally provided with paper tinsel screen layer 3, the inner surface of sheath 1；The raw material proportioning of flame-retardant layer 4 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 be free of C1, Br, the halogen such as F will not produce pernicious gas and corrosive gas, and smoke during burning completely in emergency situations
Amount is few, with good anti-flammability, do not contain yet environment can be caused harmful influence lead, every, the heavy metal, electricity such as chromium, mercury
Recyclable after cable is discarded to recycle, burying will not environmental danger when covering, burning.By optimizing matching somebody with somebody for 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, preferably, the raw material proportioning of flame-retardant layer 4 is polyphenylene oxide resin 40%, thermoplastic elastomehc in the present embodiment
Property body 30%, vistanex 10%, halogen-free flame retardants 17.5%, lubricant 2.5%, using in-lubricant and external lubricant
Compound prepare halogen-free flame-retardant wire CABLE MATERIALS, both with excellent scratch resistance, but do not damage original mechanical property, it is fire-retardant
Performance, outward appearance and soft feel.Without any noxious material, anti-aging, life-span were up to more than 100 years；And high temperature resistant, it is most
Elevated operating temperature is up to 150 DEG C；The raw material proportioning of sheath 1 is：100 parts of PCV S-70,32 parts of DOTP, 3 parts of epoxidized soybean oil,
10 parts of B45-Z, 25 parts of aluminium hydroxide, 20 parts of magnesium hydroxide, 5 parts of calcium zinc stabilizer, 6 parts of antimony oxide, 10 parts of Firebrake ZB,
0.6 part of 6 parts of zinc stannate, 9 parts of AOM, 10 parts of nanoclay, 0.5 part of calcium stearate and stearic acid.By optimizing the raw material of sheath 1
Proportioning, further makes the mechanical performance and electrical property of cable be guaranteed, while also having excellent fire resistance.
The smooth outer surface rounding of sheath 1 in the present embodiment, elongation percentage >=125% of sheath 1, the tensile strength of sheath 1 is big
In 12.5MPa.Improve the expressing technique of sheath 1, screw slenderness ratio 25:1,7 sections of bringing-up section, 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 are head, 170 DEG C of temperature, and 6 sections are machine neck, 175 DEG C of temperature, the 7th section
For 180 DEG C of die head temperature, 80 meters/min of pull wire speed, screw speed 60；Insulating barrier 5 is made of FEP, insulating barrier 5 include from
It is interior to the endodermis set gradually outside, foaming layer and exodermis；The thickness of endodermis and exodermis is 0.02mm；Sheath 1
External diameter is 5mm, and the wall thickness of sheath 1 is 0.5mm, and mechanical mechanics property is good, can be by UL910 or NFPA262 combustion testing.
Further, the outer surface of sheath 1 plates the zinc coating 6 of the μ m-thick of last layer 60 through thermal spraying method, on zinc coating 6 further around
Vinyl strap 7 comprising cycloheximide microencapsulation, so dampproof protection against insects can effectively do harm to, improve service life and the communication of cable
Effect.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Although more having used 1, sheath herein；2nd, battery core；3rd, foil shielding layer；4th, flame-retardant layer；5th, insulating barrier；6th, zinc
Coating；7th, the term such as vinyl strap, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more square
Just the essence of the present invention is described and explained；Being construed as any additional limitation is disagreed with spirit of the present invention
The back of the body.
Claims (5)
1. a kind of digital communication and transmission cable, including sheath (1) and battery core (2), the battery core (2) are wrapped with insulating barrier (5),
Characterized in that, the insulating barrier (5) is wrapped with foil shielding layer (3)；The sheath (1) wraps up all battery cores (2), absolutely
Flame-retardant layer (4) is additionally provided with edge layer (5) and foil shielding layer (3), the inner surface of the sheath (1)；The flame-retardant layer (4) is former
Material weight proportion is polyphenylene oxide resin 20~45%, thermoplastic elastomer (TPE) 20~35%, vistanex 6~14%, Halogen resistance
Fire agent 13~35%, lubricant 2~3%；The external diameter of the sheath (1) is 5mm, and sheath (1) wall thickness is 0.5mm；It is described
The outer surface of sheath (1) plates the zinc coating (6) of the μ m-thick of last layer 60 through thermal spraying method, further around comprising putting on the zinc coating (6)
The vinyl strap (7) of line bacterium ketone microencapsulation.
2. digital communication and transmission cable according to claim 1, it is characterised in that flame-retardant layer (4) raw material weight proportioning of soup processed is
Polyphenylene oxide resin 40%, thermoplastic elastomer (TPE) 30%, vistanex 10%, halogen-free flame retardants 17.5%, lubricant 2.5%.
3. digital communication and transmission cable according to claim 2, it is characterised in that sheath (1) the smooth outer surface circle
Whole, elongation percentage >=125% of the sheath (1), the tensile strength of the sheath (1) is more than 12.5MPa.
4. digital communication and transmission cable according to claim 1 or 2, it is characterised in that the battery core (2) is 6 couples of UTP5
Pair twist wire, each wire is made of AWG24 copper conductor, and the insulating barrier (5) is enclosed with outside each wire.
5. digital communication and transmission cable according to claim 4, it is characterised in that the insulating barrier (5) uses FEP systems
Into the insulating barrier (5) includes endodermis, foaming layer and the exodermis set gradually from inside to outside；The endodermis and outer
The thickness of cortex is 0.02mm.
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 |
|---|---|
| CN106098216A CN106098216A (en) | 2016-11-09 |
| CN106098216B true 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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| CN (1) | CN106098216B (en) |
Families Citing this family (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 |
Family Cites Families (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 |
| CN102731933B (en) * | 2012-06-26 | 2014-04-23 | 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 |
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2016
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| CN106098216A (en) | 2016-11-09 |
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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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