CN107359005A - Radiation hardness hydrolysis cable and production method - Google Patents
Radiation hardness hydrolysis cable and production method Download PDFInfo
- Publication number
- CN107359005A CN107359005A CN201610303545.9A CN201610303545A CN107359005A CN 107359005 A CN107359005 A CN 107359005A CN 201610303545 A CN201610303545 A CN 201610303545A CN 107359005 A CN107359005 A CN 107359005A
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- CN
- China
- Prior art keywords
- copper
- wire
- cable
- hydrolysis
- lapping layer
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- 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
- H01B13/012—Apparatus or processes specially adapted for manufacturing conductors or cables for manufacturing wire harnesses
-
- 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
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of radiation hardness hydrolysis cable, including copper core, lapping layer and polyether-ether-ketone insulating barrier, the a plurality of copper wire for being coated with polyimide varnish is twisted to form the copper core, the lapping layer is coated on outside a plurality of copper core, and the polyether-ether-ketone insulating barrier is coated on outside the lapping layer.The invention also discloses a kind of production method of radiation hardness hydrolysis cable, comprise the following steps：Wire drawing and annealing；Enamel-cover；Bunch；It is wrapped；Extruded insulation.The present invention uses 220 grades of polyimide varnish copper-clad cores, has excellent mechanical performance, good heat endurance, higher radiation resistance and good dielectric properties；Using polyether-ether-ketone as insulating jacket layer, heat resistance, radiation resistance, hydrolytic resistance, electric insulating quality are excellent, and oxygen index (OI) is also higher, and smoke amount is few and nontoxic during burning；This cable can be long-term used in the place that vapor is more, environment temperature is high, dose of radiation is strong.
Description
Technical field
The present invention relates to a kind of cable and production method.More particularly to a kind of radiation hardness hydrolysis cable and production
Method.
Background technology
Due to the particularity of nuclear power station, wherein used cable needs are higher, include the electrical resistance of cable
Energy, fire resistance (single vertical combustion test and bunched burning test), smoke density performance (light transmittance),
Low smoke performance (electrical conductivity and pH value), radioresistance amount, hydrolytic resistance etc., ordinary irradiation crosslinked polyethylene and
Low-smoke halogen-free polyolefin can not meet to require simultaneously.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides a kind of radiation hardness hydrolysis cable and life
Production method.
The present invention is achieved through the following technical solutions above-mentioned purpose：
A kind of radiation hardness hydrolysis cable, including copper core, lapping layer and polyether-ether-ketone insulating barrier, a plurality of bag
Be covered with polyimide varnish copper wire it is twisted form the copper core, the lapping layer is coated on a plurality of copper cash
Outside core, the polyether-ether-ketone insulating barrier is coated on outside the lapping layer.
Preferably, the polyimide varnish covering is 220 grades of polyimides.
Polyimides is the high temperature resistant aromatic heterocyclic polymer of a kind of main chain repeat unit containing imide ring, by fragrance
Soluble polyamide is made in dimethyl acetamide polar solvent in race's diamine and dianhydride at room temperature
Sour intermediate, polyamides is obtained through dehydrating agent effect or 250~300 DEG C of heating, cyclodehydration (imidizate)
Imines, product after solidification can in 180~230 DEG C of long-term uses, have prominent high temperature resistant, radiation hardness and
Resistant to chemical media corrosivity, electrical insulation capability, mechanical performance and excellent size stability.220 grades of polyimides
Can continuously it be worked under 220 DEG C of environment, in high temperature resistant, cold-resistant, freeze-resistant agent, chemical resistance, radiation hardness
Etc. have premium properties.
Polyether-ether-ketone abbreviation PEEK, it is the repeat unit containing a ketonic bond and two ehter bonds in backbone structure
The high polymer formed, belong to speciality polymer material, have high temperature resistant, chemical resistance corrosion etc. physico
Performance is learned, is a kind of hypocrystalline high polymer material, 334 DEG C of fusing point, 168 DEG C of softening point, tensile strength 132~
148MPa, it can be used as high temperature structural materials and electrically insulating material.
A kind of production method of radiation hardness hydrolysis cable, comprises the following steps：
(1) wire drawing and annealing：The wire drawing of copper bar and annealing are obtained into copper wire；
(2) enamel-cover：Polyimides paint film is formed on copper wire surface, obtains enamel-covered wire；
(3) bunch：A plurality of enamel-covered wire is twisted and forms copper core；
(4) it is wrapped：The wrapped formation lapping layer outside a plurality of copper core；
(5) extruded insulation：Polyether-ether-ketone is extruded outside lapping layer as insulating barrier, obtains radiation hardness hydrolysis
Cable.
Preferably, in the step (1), copper bar is purity 99.95%Oxygen-free copper bar, adopt
Copper wire is prepared with copper big drawing machine and with the continuous bracing wire continuous annealing process of bull；In the step (2), utilize
Felt capillary theory adsorbs substantial amounts of 220 grades of polyimide varnish on felt, table when copper wire passes through felt
220 grades of polyimide varnish are adsorbed in face, and this paint forms paint film, effect of the paint film in surface tension on copper wire surface
Under be uniformly covered on copper wire, into after baker, the evaporation of solvent that 220 grades of polyimides are painted, formed hard
Hard solid film is polyimides paint film；In the step (3), the work that is once twisted using active unwrapping wire
Skill；In the step (5), extrude screw rod and use Φ 70mm, draw ratio L/D=24：1st, compression ratio is
3.0:1 screw rod；Mould uses under 380 DEG C of processing temperature Rockwell hardness as 52-54 mould；First opposing connection
Covering and a plurality of copper core are preheated, and preheating temperature is 120-200 DEG C；Extrude again, each position in extruding machine
Temperature be：350 DEG C of inlet temperature, 370 DEG C of compression section temperature, 380 DEG C of head temperature, mold temperature
390℃。
The beneficial effects of the present invention are：
Radiation hardness hydrolysis cable of the present invention has the following advantages that：
1st, using 220 grades of polyimide varnish copper-clad cores, there is excellent mechanical performance, good thermostabilization
Property, higher radiation resistance and good dielectric properties；
2nd, using polyether-ether-ketone as insulating jacket layer, heat resistance, radiation resistance, hydrolytic resistance, electrically absolutely
Edge is excellent, and oxygen index (OI) is also higher, and smoke amount is few and nontoxic during burning；
3rd, this cable can be long-term used in the place that vapor is more, environment temperature is high, dose of radiation is strong.
Brief description of the drawings
Fig. 1 is the radial section cross section structure diagram of radiation hardness hydrolysis cable of the present invention；
Fig. 2 is the process chart of the production method of radiation hardness hydrolysis cable of the present invention；
Fig. 3 is the production that the extruded insulation step in radiation hardness hydrolysis cable production process of the present invention is related to
Product structural representation.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, radiation hardness hydrolysis cable of the present invention includes copper core, lapping layer 3 and polyethers
Ether ketone insulating barrier 4, a plurality of copper wire 1 for being coated with 220 grades of polyimide varnish 2 is twisted to form the copper core,
Lapping layer 3 is coated on outside a plurality of copper core, and polyether-ether-ketone insulating barrier 4 is coated on outside lapping layer 3.This
In lapping layer 3 as needed using conventional lapping layer.
As shown in Fig. 2 the production method of radiation hardness hydrolysis cable of the present invention, comprises the following steps：
(1) wire drawing and annealing：The wire drawing of copper bar and annealing are obtained into copper wire；Copper bar is the model of purity 99.95%
For " T1/R " (being required according to GB/T3952-2008, T1 represents the trade mark, and R represents hot)
Oxygen-free copper bar, male mechanical copper big drawing machine, the continuous bracing wire continuous annealing process of bull prepare copper wire forever for use,
The monofilament annealing of preparation is uniform, and line footpath fluctuation is small, reduces process turnover, shortens the production cycle, reduces
Energy consumption, substantially increases production efficiency；
(2) enamel-cover：Polyimides paint film is formed on copper wire surface, obtains enamel-covered wire；Specific method is：Profit
Substantial amounts of 220 grades of polyimide varnish are adsorbed on felt with felt capillary theory, when copper wire passes through felt
220 grades of polyimide varnish of adsorption, this paint form paint film, work of the paint film in surface tension on copper wire surface
It is uniformly covered under on copper wire, into after baker, the solvent that 220 grades of polyimides are painted evaporates, and is formed
Hard solid film is polyimides paint film；
(3) bunch：A plurality of enamel-covered wire is twisted and forms copper core；Because enamel-cover linear diameter is minimum, and radical
It is more, in order to ensure product filament diameter, twisted external diameter, pitch, D.C. resistance satisfaction requirement after twisted wire,
Need emphasis to solve the tension force of unwrapping wire and twisted wire during twisted wire, it is cold drawn to prevent that overtension from causing so that
Conductor-stretch intensity reduces, therefore the technique being once twisted using active unwrapping wire, the technique can effectively eliminate paint
Envelope curve is cold drawn because being produced when being twisted, and so as to improve twisted wire quality, finally meets the physical property and electricity of copper core
Performance requirement；
(4) it is wrapped：The wrapped formation lapping layer outside a plurality of copper core in the usual way；
(5) extruded insulation：Polyether-ether-ketone is extruded outside lapping layer as insulating barrier, obtains radiation hardness hydrolysis
Cable；Specific method is：Extrude screw rod and use Φ 70mm, draw ratio L/D=24：1st, compression ratio 3.0:1
Screw rod；Mould uses under 380 DEG C of processing temperature Rockwell hardness as 52-54 mould；First to lapping layer
And a plurality of copper core is preheated, preheating temperature is 120-200 DEG C；Extrude again, as shown in figure 3, extruding machine
The temperature of interior each position is：Charging aperture is that feeding section I temperature is 350 DEG C, and compression section II temperature is 370 DEG C,
Head is that homogenizing zone III temperature is 380 DEG C, 390 DEG C of mold temperature.Here feeding section I, compression section II,
Homogenizing zone III is to extrude screw rod as reference.
Above-described embodiment is presently preferred embodiments of the present invention, is not the limitation to technical solution of the present invention,
As long as the technical scheme that can be realized without creative work on the basis of above-described embodiment, it all should regard
To fall into the rights protection scope of patent of the present invention.
Claims (4)
- A kind of 1. radiation hardness hydrolysis cable, it is characterised in that：Including copper core, lapping layer and polyether-ether-ketone Insulating barrier, a plurality of copper wire for being coated with polyimide varnish is twisted to form the copper core, the lapping layer cladding In outside a plurality of copper core, the polyether-ether-ketone insulating barrier is coated on outside the lapping layer.
- 2. radiation hardness hydrolysis cable according to claim 1, it is characterised in that：The polyimides Enamel-cover layer is 220 grades of polyimides.
- 3. a kind of production method of radiation hardness hydrolysis cable as claimed in claim 1 or 2, its feature exist In：Comprise the following steps：(1) wire drawing and annealing：The wire drawing of copper bar and annealing are obtained into copper wire；(2) enamel-cover：Polyimides paint film is formed on copper wire surface, obtains enamel-covered wire；(3) bunch：A plurality of enamel-covered wire is twisted and forms copper core；(4) it is wrapped：The wrapped formation lapping layer outside a plurality of copper core；(5) extruded insulation：Polyether-ether-ketone is extruded outside lapping layer as insulating barrier, obtains radiation hardness hydrolysis Cable.
- 4. the production method of radiation hardness hydrolysis cable according to claim 3, it is characterised in that：Institute State in step (1), copper bar is purity 99.95%Oxygen-free copper bar, using copper big drawing machine and use more The continuous bracing wire continuous annealing process of head prepares copper wire；, will using felt capillary theory in the step (2) Substantial amounts of 220 grades of polyimide varnish absorption is on felt, 220 grades of polyamides of adsorption when copper wire passes through felt Imines paint, this paint form paint film on copper wire surface, and paint film is uniformly covered on copper in the presence of surface tension On silk, into after baker, the solvent that 220 grades of polyimides are painted evaporates, and it is i.e. poly- to form hard solid film Acid imide paint film；In the step (3), the technique that is once twisted using active unwrapping wire；The step (5) In, extrude screw rod and use Φ 70mm, draw ratio L/D=24：1st, compression ratio 3.0:1 screw rod；Mould Rockwell hardness is used under 380 DEG C of processing temperature as 52-54 mould；First to lapping layer and a plurality of copper core Preheated, preheating temperature is 120-200 DEG C；Extrude again, the temperature of each position is in extruding machine：Charging aperture 350 DEG C of temperature, 370 DEG C of compression section temperature, 380 DEG C of head temperature, 390 DEG C of mold temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303545.9A CN107359005A (en) | 2016-05-10 | 2016-05-10 | Radiation hardness hydrolysis cable and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303545.9A CN107359005A (en) | 2016-05-10 | 2016-05-10 | Radiation hardness hydrolysis cable and production method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107359005A true CN107359005A (en) | 2017-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610303545.9A Pending CN107359005A (en) | 2016-05-10 | 2016-05-10 | Radiation hardness hydrolysis cable and production method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202189581U (en) * | 2011-07-19 | 2012-04-11 | 安徽宏源特种电缆集团有限公司 | Polyimide cable for aerospace |
| CN202230792U (en) * | 2011-08-03 | 2012-05-23 | 安徽中安海兴电缆集团有限公司 | Polyether ether ketone insulation high temperature resistance cable |
| CN103021575A (en) * | 2013-01-05 | 2013-04-03 | 南京全信传输科技股份有限公司 | Production method of aerospace radiation-resistant cable |
| CN202976884U (en) * | 2012-11-22 | 2013-06-05 | 芜湖航天特种缆业股份有限公司 | High-intensity radiation-resistance high-temperature-resistant cable |
| CN103965770A (en) * | 2014-05-26 | 2014-08-06 | 常熟理工学院 | High-temperature resistant polyimide wire enamel and preparation method thereof |
| CN205595109U (en) * | 2016-05-10 | 2016-09-21 | 成都三电电缆有限公司 | Water -fast cable of separating of resistant radiation |
-
2016
- 2016-05-10 CN CN201610303545.9A patent/CN107359005A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202189581U (en) * | 2011-07-19 | 2012-04-11 | 安徽宏源特种电缆集团有限公司 | Polyimide cable for aerospace |
| CN202230792U (en) * | 2011-08-03 | 2012-05-23 | 安徽中安海兴电缆集团有限公司 | Polyether ether ketone insulation high temperature resistance cable |
| CN202976884U (en) * | 2012-11-22 | 2013-06-05 | 芜湖航天特种缆业股份有限公司 | High-intensity radiation-resistance high-temperature-resistant cable |
| CN103021575A (en) * | 2013-01-05 | 2013-04-03 | 南京全信传输科技股份有限公司 | Production method of aerospace radiation-resistant cable |
| CN103965770A (en) * | 2014-05-26 | 2014-08-06 | 常熟理工学院 | High-temperature resistant polyimide wire enamel and preparation method thereof |
| CN205595109U (en) * | 2016-05-10 | 2016-09-21 | 成都三电电缆有限公司 | Water -fast cable of separating of resistant radiation |
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Application publication date: 20171117 |
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