CN106024168B - A kind of fire-retardant quad line of high insulaion resistance and preparation method thereof - Google Patents
A kind of fire-retardant quad line of high insulaion resistance and preparation method thereof Download PDFInfo
- Publication number
- CN106024168B CN106024168B CN201610601180.8A CN201610601180A CN106024168B CN 106024168 B CN106024168 B CN 106024168B CN 201610601180 A CN201610601180 A CN 201610601180A CN 106024168 B CN106024168 B CN 106024168B
- Authority
- CN
- China
- Prior art keywords
- insulating barrier
- groups
- core
- resistance
- fire
- 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.)
- Active
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- 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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
-
- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
Landscapes
- Insulated Conductors (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention discloses a kind of fire-retardant quad line of high insulaion resistance, including cable core, insulating barrier and sheath, the quantity of described cable core is four groups, it is twisted by bundle strand mode, the conductor bundle that four groups of cables core are twisted by some conductor lines and the high insulated electro resistance layer composition for being coated on conductor bundle periphery, the radical of every group of cable core upper conductor line is 18~20, and described insulating barrier is coated on the periphery of four groups of cables core, and described sheath is coated on the outer layer of insulating barrier.Present invention also offers a kind of preparation method of the fire-retardant quad line of high insulaion resistance, pass sequentially through and prepare conductor bundle, prepare cable core, prepare insulating barrier, prepare sheath, package storage, obtain a kind of fire-retardant quad line of high insulaion resistance, with higher insulaion resistance and mechanical strength, corrosion resistance is strong, also there is higher temperature resistant grade and oil resistant, resistance to cracking energy simultaneously, extend the service life of quad line.
Description
【Technical field】
The present invention relates to the technical field of electric wire, the fire-retardant quad line of more particularly to a kind of high insulaion resistance and
Its preparation method.
【Background technology】
Electric wire industry is an extremely important part of mechanotronic.Electric wire is transmission electricity
Information and the various electrical equipment of manufacture, the indispensable primary element of instrument, can be transmitted, is electrified, information-based basic product.
In current quad line, inorganic combustion inhibitor (such as magnesium hydroxide, aluminium hydroxide) is often added in CABLE MATERIALS
To reach the fire-retardant effect of insulating barrier, but due to the addition of fire retardant so that the content of CABLE MATERIALS Minerals material rises, and leads
Water imbibition rise is caused, insulaion resistance reduces, and larger electric leakage risk be present, and PE films have high insulaion resistance, but mechanical
Intensity is relatively low, does that insulating materials service life is shorter, in order to solve in CABLE MATERIALS due to the higher water imbibition of mineral material and
Cause risk of leaking electricity be present, while strengthen the mechanical strength of quad insulating barrier, increase the service life, it is necessary to carry
Go out fire-retardant quad line of a kind of high insulaion resistance and preparation method thereof.
【The content of the invention】
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of fire-retardant four core electricity of high insulaion resistance
Cable and preparation method thereof, it aims to solve the problem that the insulation layer absorbent of quad line in the prior art is stronger, causes insulated electro
Resistance reduces, and the technical problem of larger electric leakage risk be present.
To achieve the above object, the fire-retardant quad line of the invention for proposing a kind of high insulaion resistance, including cable core,
Insulating barrier and sheath, the quantity of described cable core is four groups, is twisted by bundle strand mode, four groups of cables core are led by some
Conductor bundle that body line is twisted and the high insulated electro resistance layer composition for being coated on conductor bundle periphery, every group of cable core upper conductor line
Radical is 18~20, and described insulating barrier is coated on the periphery of four groups of cables core, and described sheath is coated on the outer of insulating barrier
Layer.
Preferably, the color of the high insulated electro resistance layer on four groups of described cables core differs, it is respectively red, blue
Color, black, brown.
Preferably, the radical of every group of described cable core upper conductor line is 19.
Preferably, described high insulated electro resistance layer is the natural-crosslinked insulating barrier of XLPE one-shot formings.
Preferably, described insulating barrier is PVC filled plastics layers.
Preferably, the thickness of described high insulated electro resistance layer and the ratio between the thickness of insulating barrier are (1~2)：1.
A kind of preparation method of the fire-retardant quad line of high insulaion resistance, comprises the following steps：
Step 1: prepare conductor bundle：Copper monofilament is drawn, annealing, obtain conductor lines, and 18~20 conductor lines are passed through
Bundle strand mode is twisted into conductor bundle；
Step 2: prepare cable core：Using thermosetting and with high insulaion resistance natural-crosslinked polyethylene Insulation Material with
The masterbatch of four kinds of different colours, after being mixed respectively by super mixer, then extruded by extruder, led under field conditions (factors)
The periphery of body beam is crosslinked, and obtains the natural-crosslinked insulating barrier of XLPE one-shot formings of four kinds of different colours, forms four groups of cables
Core, and four groups of cables core are twisted by bundle strand mode；
Step 3: prepare insulating barrier：Using PVC filled plastics by melting extrusion in an extruder after mixing, at four groups
Periphery after cable core is twisted is coated, and is obtained inner face and is bonded with four groups of cables core, and outside is circular insulating barrier；
Step 4: prepare sheath：Mixed using low-smoke bittern-free highly fire-proof crosslinkable polyolefin protective cover material by super mixer
Extruder, extruded machine melting extrusion are fed after conjunction, and is protected by external sheath one layer of the electron beam irradiation crosslinking in insulating barrier
Set；
Step 5: package storage：The flame-retardant low-smoke halogen-free single-core cable of high insulaion resistance is obtained through step 3, using protection against the tide
Packaging, and stored in dry environments.
Preferably, conductor lines are 19 in described step one.
Preferably, the extruder in described step two, step 3 and step 4 uses single screw extrusion machine.
Preferably, it is used for the extruder barrel for extruding the natural-crosslinked insulating barrier of XLPE one-shot formings in described step two
It is divided into 5 heating zones, the temperature in each area is：1 165~170 DEG C of area, 175~180 DEG C of 2nd area, 185~190 DEG C of 3rd area, 4 areas 200~
205 DEG C, 215~220 DEG C of 5th area, head temperature are 220~225 DEG C, and die temperature is 225~220 DEG C.
Beneficial effects of the present invention：Compared with prior art, fire-retardant four core of a kind of high insulaion resistance provided by the invention
Cable and preparation method thereof, one layer of natural-crosslinked insulating barrier of XLPE one-shot formings of conductor bundle outer cladding of every group of cable core, tool
Have higher insulaion resistance and mechanical strength, shield due in current Insulation Material contain mineral matter caused by water imbibition compared with
Height, insulaion resistance reduce, and risk of leaking electricity be present, fill to obtain insulating barrier using PVC filled plastics, have fire-retardant, resistance to
Corrosivity is strong, higher mechanical strength and good electrical insulating property, sheath are protected using low-smoke bittern-free highly fire-proof crosslinkable polyolefin
Jacking energization beamlet cross-linking radiation is molded, and is had higher temperature resistant grade, is prevented insulating barrier from softening, while improve the resistance to of sheath
Oil, resistance to cracking energy, extend the service life of quad line.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of structural representation of the fire-retardant quad line of high insulaion resistance of the embodiment of the present invention.
In figure：The high insulated electro resistance layer of 1- cables core, 11- conductor lines, 13-, 2- insulating barriers, 3- sheaths.
【Embodiment】
It is right below by accompanying drawing and embodiment to make the object, technical solutions and advantages of the present invention of greater clarity
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only explaining this hair
Scope that is bright, being not intended to limit the invention.In addition, in the following description, the description to known features and technology is eliminated, with
Avoid unnecessarily obscuring idea of the invention.
Refering to Fig. 1, the embodiment of the present invention provides a kind of fire-retardant quad line of high insulaion resistance, including cable core 1, absolutely
Edge layer 2 and sheath 3, the quantity of described cable core 1 is four groups, is twisted by bundle strand mode, four groups of cables core 1 are by some
The conductor bundle that conductor lines 11 are twisted forms with the high insulated electro resistance layer 13 for being coated on conductor bundle periphery, on every group of cable core 1
The radical of conductor lines 11 is 18~20, and described insulating barrier 2 is coated on the periphery of four groups of cables core 1, and described sheath 3 coats
In the outer layer of insulating barrier 2.
Wherein, the color of the high insulated electro resistance layer 13 on four groups of described cables core 1 differs, and is respectively red, blue
Color, black, brown.
In embodiments of the present invention, the radical of every group of upper conductor line 11 of cable core 1 is 19.
Further, described high insulated electro resistance layer 13 is the natural-crosslinked insulating barrier of XLPE one-shot formings, and insulating barrier 2 is
PVC filled plastics layers.
Further, the ratio between thickness of the thickness of described high insulated electro resistance layer 13 and insulating barrier 2 is (1~2)：1.
The present embodiment additionally provides a kind of preparation method of the fire-retardant quad line of high insulaion resistance, including following step
Suddenly：
Step 1: prepare conductor bundle：Copper monofilament is drawn, annealing, obtain conductor lines 11, and by 18~20 conductor lines 11
Conductor bundle is twisted into by bundle strand mode.
Wherein, conductor lines 11 are 19.
Step 2: prepare cable core 1：Using thermosetting and with high insulaion resistance natural-crosslinked polyethylene Insulation Material with
The masterbatch of four kinds of different colours, after being mixed respectively by super mixer, then extruded by extruder, led under field conditions (factors)
The periphery of body beam is crosslinked, and obtains the natural-crosslinked insulating barrier of XLPE one-shot formings of four kinds of different colours, forms four groups of cables
Core 1, and four groups of cables core 1 are twisted by bundle strand mode.
Step 3: prepare insulating barrier 2：Using PVC filled plastics by melting extrusion in an extruder after mixing, at four groups
Periphery after cable core 1 is twisted is coated, and is obtained inner face and is bonded with four groups of cables core 1, and outside is circular insulating barrier 2.
Step 4: prepare sheath 3：Mixed using low-smoke bittern-free highly fire-proof crosslinkable polyolefin protective cover material by super mixer
Extruder, extruded machine melting extrusion are fed after conjunction, and is protected by external sheath one layer of the electron beam irradiation crosslinking in insulating barrier 2
Set 3.
In embodiments of the present invention, Step 2: the extruder in step 3 and step 4 uses single screw extrusion machine.
Wherein, in step 2 be used for extrude the natural-crosslinked insulating barrier of XLPE one-shot formings extruder barrel be divided into 5 plus
Hot-zone, the temperature in each area are：1 165~170 DEG C of area, 175~180 DEG C of 2nd area, 185~190 DEG C of 3rd area, 200~205 DEG C of 4th area, 5th area
215~220 DEG C, head temperature is 220~225 DEG C, and die temperature is 225~220 DEG C.
Step 5: package storage：The flame-retardant low-smoke halogen-free single-core cable of high insulaion resistance is obtained through step 3, using protection against the tide
Packaging, and stored in dry environments.
A kind of fire-retardant quad line of high insulaion resistance of the present invention and preparation method thereof, the conductor bundle of every group of cable core 1
One layer of natural-crosslinked insulating barrier of XLPE one-shot formings of outer cladding, there is higher insulaion resistance and mechanical strength, shield due to
Water imbibition is higher caused by containing mineral matter in Insulation Material at present, and insulaion resistance reduces, and risk of leaking electricity be present, and uses
PVC filled plastics fill to obtain insulating barrier 2, have strong fire-retardant, corrosion resistance, higher mechanical strength and good electric insulation
Property, sheath 3 is had higher resistance to using the shaping of low-smoke bittern-free highly fire-proof crosslinkable polyolefin protective cover material energization beamlet cross-linking radiation
Warm grade, prevent insulating barrier 2 from softening, while improve the oil resistant of sheath 3, resistance to cracking energy, extend making for quad line
Use the life-span.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent substitution or improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (1)
1. a kind of fire-retardant quad line of high insulaion resistance, including cable core（1）, insulating barrier（2）And sheath（3）, its feature
It is：Described cable core（1）Quantity be four groups, be twisted by bundle strand mode, four groups of cables core（1）By some conductors
Line（11）The conductor bundle being twisted and the high insulated electro resistance layer for being coated on conductor bundle periphery（13）Composition, every group of cable core（1）
Upper conductor line（11）Radical be 19, described four groups of cables core（1）On high insulated electro resistance layer（13）Color not phase
Together, described high insulated electro resistance layer（13）For the natural-crosslinked insulating barrier of XLPE one-shot formings, described insulating barrier（2）It is coated on four
Group cable core（1）Periphery, described sheath（3）It is coated on insulating barrier（2）Outer layer, described insulating barrier（2）Filled for PVC
Plastic layer, described high insulated electro resistance layer（13）Thickness and insulating barrier（2）The ratio between thickness be（1~2）：1, the high insulated electro
The preparation method of the fire-retardant quad line of resistance comprises the following steps：
Step 1: prepare conductor bundle：Copper monofilament is drawn, annealing, obtain conductor lines（11）, and by 19 conductor lines（11）Pass through
Bundle strand mode is twisted into conductor bundle；
Step 2: prepare cable core（1）：Using thermosetting and with high insulaion resistance natural-crosslinked polyethylene Insulation Material and four
The masterbatch of kind of different colours, after being mixed respectively by super mixer, then extruded by single screw extrusion machine, under field conditions (factors)
It is crosslinked in the periphery of conductor bundle, obtains the natural-crosslinked insulating barrier of XLPE one-shot formings of four kinds of different colours, forms four groups
Cable core（1）, and by four groups of cables core（1）It is twisted by bundle strand mode, extruder cylinder of single screw extruder is divided into 5 heating zones, respectively
The temperature in area is：1 165~170 DEG C of area, 175~180 DEG C of 2nd area, 185~190 DEG C of 3rd area, 200~205 DEG C of 4th area, 5 areas 215~
220 DEG C, head temperature is 220~225 DEG C, and die temperature is 225~220 DEG C；
Step 3: prepare insulating barrier（2）：Using PVC filled plastics by the melting extrusion in single screw extrusion machine after mixing,
Four groups of cables core（1）Periphery after twisted is coated, and obtains inner face and four groups of cables core（1）Fitting, outside are exhausted for circle
Edge layer（2）；
Step 4: prepare sheath（3）：Mixed using low-smoke bittern-free highly fire-proof crosslinkable polyolefin protective cover material by super mixer
After feed extruder, through single screw extrusion machine melting extrusion, and by electron beam irradiation be crosslinked in insulating barrier（2）External sheath
One layer of sheath（3）；
Step 5: package storage：The flame-retardant low-smoke halogen-free single-core cable of high insulaion resistance is obtained through step 3, is wrapped using protection against the tide
Dress, and stored in dry environments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601180.8A CN106024168B (en) | 2016-07-27 | 2016-07-27 | A kind of fire-retardant quad line of high insulaion resistance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610601180.8A CN106024168B (en) | 2016-07-27 | 2016-07-27 | A kind of fire-retardant quad line of high insulaion resistance and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106024168A CN106024168A (en) | 2016-10-12 |
| CN106024168B true CN106024168B (en) | 2018-03-16 |
Family
ID=57114711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610601180.8A Active CN106024168B (en) | 2016-07-27 | 2016-07-27 | A kind of fire-retardant quad line of high insulaion resistance and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106024168B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373650B (en) * | 2016-11-08 | 2018-07-03 | 四川明星电缆股份有限公司 | A kind of generation Ⅲ nuclear power station coaxial cable and manufacturing process |
| CN109920586B (en) * | 2019-01-29 | 2020-09-15 | 兴盛电缆有限公司 | Insulated cable and preparation method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19620963A1 (en) * | 1996-05-24 | 1997-11-27 | Alcatel Kabel Ag | Fire-proof electrical cable or fire-proof electrical wire and method of manufacture |
| CN2751416Y (en) * | 2004-07-09 | 2006-01-11 | 上海华普电缆有限公司 | Fire retardant crosslinked polyethylene insulated power cable |
| CN102509577A (en) * | 2011-10-28 | 2012-06-20 | 南洋电缆集团有限公司 | Silane halogen-free flame retardant cross-linking polyolefine cable and manufacturing method thereof |
| CN103886951A (en) * | 2014-03-26 | 2014-06-25 | 中利科技集团股份有限公司 | Four-core inflaming retarding flexible cable for communication power supply |
| CN104319015A (en) * | 2014-10-29 | 2015-01-28 | 四川明星电缆股份有限公司 | Irradiation cross-linking polyethylene insulated low-voltage power cable preparing method |
| CN205862862U (en) * | 2016-07-27 | 2017-01-04 | 浙江秦山电缆有限公司 | A kind of fire-retardant quad line of high insulation resistance |
-
2016
- 2016-07-27 CN CN201610601180.8A patent/CN106024168B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106024168A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102509577A (en) | Silane halogen-free flame retardant cross-linking polyolefine cable and manufacturing method thereof | |
| CN104810107A (en) | Novel electrified railway cable and manufacture process thereof | |
| CN202189578U (en) | Thin wall cable for railroad locomotive | |
| CN106024168B (en) | A kind of fire-retardant quad line of high insulaion resistance and preparation method thereof | |
| CN101656123A (en) | LSOH anti-flaming environment-friendly thin-wall cross-linked cable and manufacturing method thereof | |
| CN206293198U (en) | Mesohigh mineral matter fire-retardant fireproof cable | |
| CN205862862U (en) | A kind of fire-retardant quad line of high insulation resistance | |
| CN107359010A (en) | Water-proof electric automobile charging cable and preparation method thereof | |
| CN202093880U (en) | Heat-resisting and shielding type power cable used for nuclear power station | |
| CN101335103A (en) | Electric cable with silicon rubber sheath and manufacturing method | |
| CN203659455U (en) | 125 DEG C resistant irradiation-free silane crosslinking halogen-free low-smoke flame retardation electric cable | |
| CN202758652U (en) | Natural vulcanized ethylene propylene rubber insulation direct current power cable applied to environment-friendly rail traffic | |
| CN205751669U (en) | A kind of long-life, nontoxic low cigarette, high flame-retardant cable | |
| CN202694855U (en) | Aluminum alloy cable with creep-resistant and high resistance water characteristics | |
| CN205862821U (en) | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance | |
| CN108777195A (en) | A kind of super soft scalable transponder data transmission cable | |
| CN204792117U (en) | Water -resistant tree, fire -resistant, anticorrosive, waterproof 110kV and above plastic insulation power cable | |
| CN105976907A (en) | High-flame-retardant high-insulation-resistance low-smoke zero-halogen cable power line and preparation process thereof | |
| CN106571182A (en) | High-insulation resistive lightweight low-smoke halogen-free four-core wire cable and preparation method thereof | |
| CN208335799U (en) | A kind of wind proof insulated conductor | |
| CN204966082U (en) | High fire -retardant power cable of environment -friendly | |
| CN203134442U (en) | Anti-aging low-voltage power cable used for rail transit | |
| CN106024169A (en) | High-flame-retardant, long-service-life and high-load low-smoke halogen-free building cloth wire and preparing technology | |
| CN201489863U (en) | Oil resistant and flame retardant cable for track locomotive | |
| CN205992435U (en) | A kind of alternative irradiation crosslinking halogen-free low-smoke and flame retardant type environment-friendly cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |