CN106098175A - A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance and preparation method thereof - Google Patents
A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance and preparation method thereof Download PDFInfo
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- CN106098175A CN106098175A CN201610606095.0A CN201610606095A CN106098175A CN 106098175 A CN106098175 A CN 106098175A CN 201610606095 A CN201610606095 A CN 201610606095A CN 106098175 A CN106098175 A CN 106098175A
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- flame
- sheath
- insulating barrier
- core cable
- insulation resistance
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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
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
-
- 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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- 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
- H01B7/0275—Disposition of insulation comprising one or more extruded layers 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance, including conductor cores, high resistance insulating barrier and sheath, described conductor cores is formed by some conductor lines are stranded, described high resistance insulating barrier is coated on the outer layer of conductor cores, described sheath is coated on the outer layer of high resistance insulating barrier, described high resistance insulating barrier and sheath are low-smoke non-halogen flame-retardant layer, and described high resistance insulating barrier and the ratio of the thickness of sheath are 1:(1～2).Present invention also offers the preparation method of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance, by preparation conductor cores, prepare high resistance insulating barrier, prepare sheath and the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance that package storage obtains, simple in construction, thermal diffusivity is good, can prevent cable from burning out, bending strength is high, insulation resistance is high, prevents electric leakage, safety and environmental protection, stability is strong, extends the service life of heavy in section high tension cable.
Description
[technical field]
The present invention relates to the technical field of electric wire, particularly to the flame-retardant low-smoke halogen-free single of a kind of high insulation resistance
Cable and preparation method thereof.
[background technology]
Electric wire industry is an extremely important ingredient of mechanotronic.Electric wire is to transmit electricity
Can, transmission information and manufacture various electrical equipment, the indispensable primary element of instrument, be basic product electrified, informationalized, and
Wire cable material carries out the process of fire-retardant and low cigarette be acknowledged as fundamentally preventing and reduce fire generation, reduce name
The Important Action of Loss of Life and property.
Single-core cable refers in an insulating barrier an only road conductor, in being usually used in, the heavy in section power cable of low pressure
With high pressure, extra-high-tension cable, current single-core cable structure is complicated, heat radiation difficulty, easy burn-out cable, and the most often at low smoke and zero halogen
CABLE MATERIALS is added inorganic combustion inhibitor (such as magnesium hydroxide, aluminium hydroxide etc.) and reaches the effect that insulating barrier is fire-retardant, but due to
The interpolation of fire retardant so that the content of electric cable material with low smoke and halogen free Minerals material rises, and causes water absorption to raise, insulation resistance drops
Low, there is bigger electric leakage risk, it is therefore necessary to propose the flame-retardant low-smoke halogen-free list of the strong a kind of high insulation resistance of thermal diffusivity
Core cable and preparation method thereof.
[summary of the invention]
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, it is provided that the Flame-retardant low-smoke of a kind of high insulation resistance without
Halogen single-core cable and preparation method thereof, it aims to solve the problem that and contains a large amount of mineral in prior art in CABLE MATERIALS, causes cable
The insulation resistance of insulating barrier and sheath is relatively low, and the technical problem of the complicated not easy heat radiation of structure.
For achieving the above object, the present invention proposes the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance, including
Conductor cores, high resistance insulating barrier and sheath, described conductor cores is formed by some conductor lines are stranded, described high resistance insulation
Layer is coated on the outer layer of conductor cores, and described sheath is coated on the outer layer of high resistance insulating barrier, described high resistance insulating barrier and
Sheath is low-smoke non-halogen flame-retardant layer, and described high resistance insulating barrier and the ratio of the thickness of sheath are 1:(1～2).
As preferably, described conductor lines uses copper conductor, and the quantity of described conductor lines is 80～90.
As preferably, the quantity of described conductor lines is 85.
As preferably, described high resistance insulating barrier and sheath are an extrusion molding structure.
As preferably, described high resistance insulating barrier and the ratio of the thickness of sheath are 1:1.
The preparation method of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance, in turn includes the following steps:
Step one, preparation conductor cores: copper monofilament is drawn, anneals, it is thus achieved that conductor lines, and the conductor lines of 80～90 is adopted
Carry out being twisted into conductor cores by bundle strand mode；
Step 2, prepare high resistance insulating barrier: use low-smoke halogen-free flame-retardant thermoplastic polyolefin insulation material by the most mixed
Clutch mixes, and feeds extruder after mix homogeneously, and extruded machine melt extrudes, exhausted at the external sheath one floor height resistance of conductor cores
Edge layer；
Step 3, prepare sheath: use low-smoke bittern-free highly fire-proof crosslinkable polyolefin protective cover material to be mixed by super mixer
Closing, feed extruder after mix homogeneously, extruded machine melt extrudes, and by being chemically crosslinked the outer layer bag at high resistance insulating barrier
Cover one layer of sheath；
Step 4, package storage: obtain the flame-retardant low-smoke halogen-free single-core cable of high insulation resistance through step 3, use protection against the tide
Packaging, and store in dry environments.
As preferably, in described step one, the radical of conductor lines is 85.
As preferably, the extruder in described step 2 and step 3 is single screw extrusion machine.
As preferably, the extruder barrel being used for extruding high resistance insulating barrier in described step 2 is divided into 5 thermals treatment zone,
The temperature in each district is: 1 district 165～175 DEG C, 2 districts 180～195 DEG C, 3 districts 200～215 DEG C, 4 districts 220～235 DEG C, 5 districts 235～
240 DEG C, head temperature is 240～245 DEG C, and die temperature is 245～250 DEG C.
As preferably, the extruder barrel being used for extruding sheath in described step 3 is divided into 5 thermals treatment zone, the temperature in each district
Degree is: 1 district 95～105 DEG C, 2 districts 110～125 DEG C, 3 districts 130～140 DEG C, 4 districts 145～152 DEG C, 5 districts 153～158 DEG C, machine
Head temperature is 158～160 DEG C, and die temperature is 160～165 DEG C.
Beneficial effects of the present invention: compared with prior art, the Flame-retardant low-smoke of a kind of high insulation resistance that the present invention provides
Halogen single-core cable and preparation method thereof, is coated with high resistance insulating barrier and sheath, simple in construction outside conductor cores successively, is conducive to
The heat radiation of cable, prevents from burning out, and conductor cores is formed by some conductor wire harness strands, and pliability improves, and prevents in bracing wire or construction
During conductor lines fracture, provide higher insulation resistance by high resistance insulating barrier, reach the effect of insulation, prevent electric leakage,
Sheath and high resistance insulating barrier all use low-smoke halogen-free material, safety and environmental protection, and sheath is by chemical crosslinking, and anti-flammability is higher, stable
Property strong, extend the service life of heavy in section high tension cable.
Inventive feature and advantage will combine accompanying drawing by embodiment and be described in detail.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance of the embodiment of the present invention.
In figure: 1-conductor cores, 11-conductor lines, 2-high resistance insulating barrier, 3-sheath.
[detailed description of the invention]
For making the object, technical solutions and advantages of the present invention of greater clarity, below by accompanying drawing and embodiment, right
The present invention is further elaborated.However, it should be understood that specific embodiment described herein is only in order to explain this
Bright, it is not limited to the scope of the present invention.Additionally, in the following description, eliminate the description to known features and technology, with
Avoid unnecessarily obscuring idea of the invention.
Refering to Fig. 1, the embodiment of the present invention provides the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance, including conductor
Core 1, high resistance insulating barrier 2 and sheath 3, described conductor cores 1 is formed by some conductor lines 11 are stranded, and described high resistance is exhausted
Edge layer 2 is coated on the outer layer of conductor cores 1, and described sheath 3 is coated on the outer layer of high resistance insulating barrier 2, and described high resistance is exhausted
Edge layer 2 and sheath 3 are low-smoke non-halogen flame-retardant layer, described high resistance insulating barrier 2 and the ratio of the thickness of sheath 3 be 1:(1～
2)。
Wherein, described conductor lines 11 uses copper conductor, the quantity of described conductor lines 11 to be 80～90.
In embodiments of the present invention, the quantity of conductor lines 11 is 85.
Further, described high resistance insulating barrier 2 and sheath 3 are an extrusion molding structure, described high resistance
The ratio of the thickness of insulating barrier 2 and sheath 3 is 1:1.
The present embodiment also provides for the preparation method of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance, includes successively
Following steps:
Step one, preparation conductor cores: copper monofilament is drawn, anneals, it is thus achieved that conductor lines 11, and by the conductor lines of 80～90
11 use bundle strand mode to carry out being twisted into conductor cores 1.
Wherein, the radical of conductor lines 11 is 85.
Step 2, prepare high resistance insulating barrier: use low-smoke halogen-free flame-retardant thermoplastic polyolefin insulation material by the most mixed
Clutch mixes, and feeds extruder after mix homogeneously, and extruded machine melt extrudes, at the external sheath one floor height resistance of conductor cores 1
Insulating barrier 2.
Step 3, prepare sheath: use low-smoke bittern-free highly fire-proof crosslinkable polyolefin protective cover material to be mixed by super mixer
Closing, feed extruder after mix homogeneously, extruded machine melt extrudes, and by being chemically crosslinked the outer layer at high resistance insulating barrier 2
It is coated with one layer of sheath 3.
In embodiments of the present invention, the extruder in step 2 and step 3 is single screw extrusion machine.Step 2 is used
Extruder barrel in extrusion high resistance insulating barrier 2 is divided into 5 thermals treatment zone, and the temperature in each district is: 1 district 165～175 DEG C, 2nd district
180～195 DEG C, 3 districts 200～215 DEG C, 4 districts 220～235 DEG C, 5 districts 235～240 DEG C, head temperature is 240～245 DEG C, mould
Mouth temperature is 245～250 DEG C；The extruder barrel being used for extruding sheath 3 in step 3 is divided into 5 thermals treatment zone, the temperature in each district
For: 1 district 95～105 DEG C, 2 districts 110～125 DEG C, 3 districts 130～140 DEG C, 4 districts 145～152 DEG C, 5 districts 153～158 DEG C, head
Temperature is 158～160 DEG C, and die temperature is 160～165 DEG C.
Step 4, package storage: obtain the flame-retardant low-smoke halogen-free single-core cable of high insulation resistance through step 3, use protection against the tide
Packaging, and store in dry environments.
Flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance of the present invention and preparation method thereof, depends on outside conductor cores 1
Secondary cladding high resistance insulating barrier 2 and sheath 3, the heat radiation of simple in construction, beneficially cable, prevent from burning out, and conductor cores 1 is by some
Conductor lines 11 is restrainted strand and is formed, and pliability improves, and prevents conductor lines 11 in bracing wire or work progress from rupturing, is insulated by high resistance
Layer 2 provides higher insulation resistance, reaches the effect of insulation, prevents electric leakage, and sheath 3 and high resistance insulating barrier 2 all use low cigarette
Without bittern material, safety and environmental protection, sheath 3 is by chemical crosslinking, and anti-flammability is higher, and stability is strong, extends heavy in section high tension cable
Service life.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent or the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (10)
1. a flame-retardant low-smoke halogen-free single-core cable for high insulation resistance, including conductor cores (1), high resistance insulating barrier (2) with protect
Set (3), it is characterised in that: described conductor cores (1) is formed by some conductor lines (11) are stranded, described high resistance insulating barrier
(2) being coated on the outer layer of conductor cores (1), described sheath (3) is coated on the outer layer of high resistance insulating barrier (2), described high electricity
Block edge layer (2) and sheath (3) be low-smoke non-halogen flame-retardant layer, described high resistance insulating barrier (2) and the thickness of sheath (3) it
Ratio is 1:(1～2).
The flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 1, it is characterised in that: described
Conductor lines (11) uses copper conductor, and the quantity of described conductor lines (11) is 80～90.
The flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 2, it is characterised in that: described
The quantity of conductor lines (11) is 85.
The flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 1, it is characterised in that: described
High resistance insulating barrier (2) and sheath (3) are an extrusion molding structure.
The flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 1, it is characterised in that: described
The ratio of the thickness of high resistance insulating barrier (2) and sheath (3) is 1:1.
6. the preparation method of the flame-retardant low-smoke halogen-free single-core cable of a high insulation resistance, it is characterised in that: include as follows successively
Step:
Step one, preparation conductor cores: copper monofilament is drawn, anneals, it is thus achieved that conductor lines (11), and by the conductor lines of 80～90
(11) bundle strand mode is used to carry out being twisted into conductor cores (1)；
Step 2, prepare high resistance insulating barrier: use low-smoke halogen-free flame-retardant thermoplastic polyolefin insulation material to pass through super mixer
Mixing, feeds extruder after mix homogeneously, extruded machine melt extrudes, exhausted at the external sheath one floor height resistance of conductor cores (1)
Edge layer (2)；
Step 3, prepare sheath: use low-smoke bittern-free highly fire-proof crosslinkable polyolefin protective cover material to mix by super mixer, mix
Feeding extruder after closing uniformly, extruded machine melt extrudes, and by the chemical crosslinking external sheath in high resistance insulating barrier (2)
One layer of sheath (3)；
Step 4, package storage: obtain the flame-retardant low-smoke halogen-free single-core cable of high insulation resistance through step 3, use protection against the tide bag
Dress, and store in dry environments.
The preparation method of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 6, its feature
It is: in described step one, the radical of conductor lines (11) is 85.
The preparation method of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 6, its feature
It is: the extruder in described step 2 and step 3 is single screw extrusion machine.
The preparation method of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 6, its feature
It is: the extruder barrel being used for extruding high resistance insulating barrier (2) in described step 2 is divided into 5 thermals treatment zone, the temperature in each district
Degree is: 1 district 165～175 DEG C, 2 districts 180～195 DEG C, 3 districts 200～215 DEG C, 4 districts 220～235 DEG C, 5 districts 235～240 DEG C, machine
Head temperature is 240～245 DEG C, and die temperature is 245～250 DEG C.
The preparation method of the flame-retardant low-smoke halogen-free single-core cable of a kind of high insulation resistance the most as claimed in claim 6, its feature
It is: the extruder barrel being used for extruding sheath (3) in described step 3 is divided into 5 thermals treatment zone, and the temperature in each district is: 1st district
95～105 DEG C, 2 districts 110～125 DEG C, 3 districts 130～140 DEG C, 4 districts 145～152 DEG C, 5 districts 153～158 DEG C, head temperature is
158～160 DEG C, die temperature is 160～165 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606095.0A CN106098175A (en) | 2016-07-27 | 2016-07-27 | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610606095.0A CN106098175A (en) | 2016-07-27 | 2016-07-27 | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106098175A true CN106098175A (en) | 2016-11-09 |
Family
ID=57479162
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610606095.0A Pending CN106098175A (en) | 2016-07-27 | 2016-07-27 | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance and preparation method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN106098175A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919184A (en) * | 2017-12-13 | 2018-04-17 | 江苏中利集团股份有限公司 | A kind of low-smoke zero-halogen fire-resistant flexible cable |
Citations (4)
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|---|---|---|---|---|
| CN2325858Y (en) * | 1998-03-12 | 1999-06-23 | 常州八一电缆集团有限公司 | High performance, low smoke and non-halogen flame retarded cable |
| CN201477967U (en) * | 2009-04-24 | 2010-05-19 | 安徽新华电缆(集团)有限公司 | Low-smoke halogen-free flame-retardant cable |
| JP2012028123A (en) * | 2010-07-22 | 2012-02-09 | Hitachi Cable Ltd | Non-halogen flame retardant cable |
| CN205862821U (en) * | 2016-07-27 | 2017-01-04 | 浙江秦山电缆有限公司 | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance |
-
2016
- 2016-07-27 CN CN201610606095.0A patent/CN106098175A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2325858Y (en) * | 1998-03-12 | 1999-06-23 | 常州八一电缆集团有限公司 | High performance, low smoke and non-halogen flame retarded cable |
| CN201477967U (en) * | 2009-04-24 | 2010-05-19 | 安徽新华电缆(集团)有限公司 | Low-smoke halogen-free flame-retardant cable |
| JP2012028123A (en) * | 2010-07-22 | 2012-02-09 | Hitachi Cable Ltd | Non-halogen flame retardant cable |
| CN205862821U (en) * | 2016-07-27 | 2017-01-04 | 浙江秦山电缆有限公司 | A kind of flame-retardant low-smoke halogen-free single-core cable of high insulation resistance |
Non-Patent Citations (1)
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| 于景丰等: "《电力电缆实用技术》", 31 January 2003, 中国水利水电出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107919184A (en) * | 2017-12-13 | 2018-04-17 | 江苏中利集团股份有限公司 | A kind of low-smoke zero-halogen fire-resistant flexible cable |
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| PB01 | Publication | ||
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Application publication date: 20161109 |