CN106373643A - High-insulativity and high-temperature-resistant cable and manufacturing method therefor - Google Patents

High-insulativity and high-temperature-resistant cable and manufacturing method therefor Download PDF

Info

Publication number
CN106373643A
CN106373643A CN201610713344.6A CN201610713344A CN106373643A CN 106373643 A CN106373643 A CN 106373643A CN 201610713344 A CN201610713344 A CN 201610713344A CN 106373643 A CN106373643 A CN 106373643A
Authority
CN
China
Prior art keywords
temperature
obtains
cable
insulativity
raw material
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.)
Granted
Application number
CN201610713344.6A
Other languages
Chinese (zh)
Other versions
CN106373643B (en
Inventor
何琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Days Link Cable Group Co., Ltd.
Original Assignee
Ningbo Huazhong And Industrial Design Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ningbo Huazhong And Industrial Design Co Ltd filed Critical Ningbo Huazhong And Industrial Design Co Ltd
Priority to CN201610713344.6A priority Critical patent/CN106373643B/en
Publication of CN106373643A publication Critical patent/CN106373643A/en
Application granted granted Critical
Publication of CN106373643B publication Critical patent/CN106373643B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01B7/28—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
    • 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
    • H01B7/0225—Three or more layers
    • 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
    • H01B7/0291—Disposition of insulation comprising two or more layers of insulation having different electrical properties
    • 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
    • H01B7/1875—Multi-layer sheaths
    • 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
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
    • 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

Landscapes

  • Insulating Bodies (AREA)
  • Insulated Conductors (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)

Abstract

The invention discloses a high-insulativity and high-temperature-resistant cable and a manufacturing method therefor. The high-insulativity and high-temperature-resistant cable comprises a surface layer sheath, a hollow layer, a supporting layer, an inner lining part, insulating layers and conductors, wherein the cable can bear a working temperature from minus 70 to 200 DEG C for a long time; the cable at least can resist thunder and lightning steep peak value of 5,000kV/s; the yield strength of the cable is not lower than 80N/mm<2>; the ductility of the cable is not lower than 25% and the tensile strength of the cable is not lower than 100N/mm<2>. The extremely excellent high-temperature-resistance and insulation performance of the cable is obtained by steps of weaving ceramic fibers which are manufactured by a specific method into a tubular net to be used as the supporting layer, adding design of the hollow layer, and choosing a high-temperature-resistant and anti-aging material as a base material. The high-insulativity and high-temperature-resistant cable is good in comprehensive mechanical performance, high in insulativity, high in high temperature resistance, resistant to aging, long in service life, and wide in range of application.

Description

A kind of high-insulativity high-temperature cable and its manufacture method
Technical field
The present invention relates to field of electrical components, more particularly, to a kind of high-insulativity high-temperature cable and its manufacture method.
Background technology
Cable, typically by the cable of the stranded similar rope of several or several groups of wires (every group at least two), often Mutually insulated between group wire, and be often twisted into round a center, whole outside is surrounded by the cover layer of high-insulation.Cable has There are interior energising, the feature of external insulation.
Insulating barrier i.e. cable conductor periphery uniformly and hermetically wrap up one layer of non electrically conductive material, such as: resin, plastics, For silicone rubber, pvc etc., but these materials are limited by essential performance, its heat resistance and insulating properties compare ceramic based material Weaker.
At home in the Patents of application, patent " a kind of ceramic insulation high temperature-resistant cable " (application number: 201520062210.3, publication date: 2015-07-08), disclose a kind of by ceramic layer coats conductor core surfaces insulation Method, but due to being the continuous plating adopting, ceramic membrane fragility is very big, and after bending, ceramic layer is broken, fragile conductor core With destroy insulation skin-material, make final molding product service life short, also easily aging and corrosion, on the other hand, due to it High temperature resistant high insulant all do not selected by its material, therefore with the outer other parts still non-refractory of ceramic segment, insulating properties Poor, due to not having global design and reasonable combination, the tensile strength of ceramic insulation high temperature-resistant cable of this invention, surrender are strong Degree, elongation percentage are all suitable with general cable, and comprehensive mechanical performance is bad.
Content of the invention
For solve prior art present in drawbacks described above, the present invention is intended to provide a kind of comprehensive mechanical performance good, insulation Property is strong, high temperature resistant, aging resistance, long service life, range are wide high-insulativity high-temperature cable and its manufacture method.
To achieve these goals, the present invention employs the following technical solutions: a kind of manufacturer of high-insulativity high-temperature cable Method, comprises the following steps:
1) selection of raw material and preparation
1. top layer sheath raw material selection heat vulcanized silicone rubber, selection standard is: its specific insulation is not less than 2 × 1015 ω cm, dielectric strength be not less than 200kv/cm, long when -55 ~ 180 DEG C of operating temperature range；
2. Teflon membranes raw material selection politef；
3. supporting layer raw material selection adopts the ceramic alumina fiber that ad hoc approach manufactures, and its yield strength is not less than 80n/ mm2, elongation percentage is not less than 25%, specific insulation and is not less than 2 × 1013ω cm, dielectric strength are not less than 500kv/cm；
4. liner raw material selection enb ethylene propylene diene rubber；
5. the insulating barrier raw material selection epoxy resin and glass fibre mixing material of 9:1 by weight；
6. conductor raw material selection standard copper material or aluminium；
2) preparation of ceramic alumina fiber
1. Aluminum Chloride Hexahydrate is mixed with appropriate amount of purified water, stirring simultaneously impurity screening, allocate to acquisition mass percent 58%-65% Liquor alumini chloridi；
2. the container filling liquor alumini chloridi that 1. step obtains is carried out dither, then by after ammonia atomization uniformly lentamente It is passed through in the liquor alumini chloridi that 1. step is prepared, obtain pending solution；
3. step 2. after the completion of continue dither 30min-40min, then the pending solution that 2. step obtains is placed in 25 Under DEG C -30 DEG C of isoperibol, and mechanical agitation 30min-40min, obtain preformed solution；
4. it is slowly added dropwise dilute hydrochloric acid solution in the preformed solution that 3. step obtains and stirs, to ph value 4.8-5.2 of solution, obtain Obtain original sol solutionses；
5., at a temperature of the original sol solutionses that 4. step obtains being placed in 70 DEG C -80 DEG C, flow back 8h, obtains prefabricated sol solutionses；
6. it is slowly added the poly-vinyl alcohol solution of 3-5% concentration in the prefabricated sol solutionses that 5. step obtains, obtain pending molten Glue；
7. the pending colloidal sol using dehydrated alcohol, 6. step being obtained repeatedly rinsed to clean；
8. the colloidal sol that 7. step obtains is spun into thread, that is, stand-by colloidal sol needed for obtaining；
9. the nano alumina powder jointed stand-by colloidal sol that 8. step obtains being positioned over pressure in stove is the protective atmosphere of 18-20mpa In, it is sintered at a temperature of 1000 DEG C -1050 DEG C, sintering time 2h-3h；
10. after the completion of sintering, furnace cooling when furnace temperature t is not less than 800 DEG C；Furnace temperature t is in 800 DEG C of half-open fire doors of 500 DEG C≤t ＜ Cooling；500 DEG C of air coolings of coming out of the stove of furnace temperature t ＜；Ceramic alumina fiber needed for obtaining after being air cooled to 150 DEG C of t ＜；
3) manufacture of high-insulativity high-temperature cable
1. conductor is woven by standard mode, obtain stand-by conductor；
2. by 1) in the epoxy resin that 5. prepares of step be heated to molten state with glass fibre, obtain encapsulation fluid；
3. the stand-by conductor that 1. step obtains is put into the encapsulation fluid that 2. step obtain to be packaged, obtain stand-by core；
4. by 1) in the enb ethylene propylene diene rubber that 4. prepares of step make tubulose by standard method, obtain set inner tube layer；
5. by 2) in the ceramic alumina fiber that 10. obtains of step be woven into dense mess tubulose, be sleeved on the sleeve pipe that 4. step obtains Inner layer outer surface, obtains sleeve pipe middle level；
6. the sleeve pipe middle level outer surface that after melting politef, 5. even application obtains in step, coating thickness 2mm-3mm, Obtain the sleeve pipe middle level with Teflon membranes；
7. by 1) in the heat vulcanized silicone rubber that 1. prepares of step make top layer sheath by standard method, the internal diameter of this top layer sheath 1mm ~ 2mm bigger than the sleeve pipe middle level external diameter with Teflon membranes that 6. step obtains；
8. in the sleeve pipe middle level with the Teflon membranes 6. stand-by core inserting step that 3. step obtains being obtained, then will In the top layer sheath that 7. the assembly entirety inserting step obtaining obtains, that is, high-insulativity high-temperature cable needed for obtaining.
A kind of high-insulativity high-temperature cable being produced according to above-mentioned manufacture method, including top layer sheath, supporting layer, interior Lining, insulating barrier, conductor；It is additionally provided with voided layer between top layer sheath and supporting layer, voided layer is arranged with supporting layer intersection There are Teflon membranes；Top layer sheath is made using heat vulcanized silicone rubber；Supporting layer is made using ceramic alumina fiber； Liner is made using enb ethylene propylene diene rubber；Insulating barrier adopts the epoxy resin and glass fibre mixing material of 9:1 by weight Make.
This high-insulativity high-temperature cable bear when can be long -70 DEG C ~ 200 DEG C operating temperature, at least can anti lightning abrupt slope peak Value 5000kv/s, yield strength are not less than 80n/mm2, elongation percentage is not less than 25%, tensile strength and is not less than 100n/mm2.
Compared with prior art, the invention has the advantages that select heat vulcanized silicone rubber, enb EPDM Rubber, ceramic alumina fiber all have extraordinary resistant to elevated temperatures ageing resistace, add in supporting layer and top layer sheath Between be provided with voided layer, play radiating, heat-insulated effect, the poly tetrafluoroethylene of white can with reflecting part light and heat energy, And propagated by voided layer and transparent heat vulcanized silicone rubber top layer, heat-sinking capability is much stronger than normal cable so that whole electricity Cable entirety high temperature resistance ageing resistace obtains considerable lifting, and the high-insulativity high-temperature cable of the therefore present invention is high temperature resistant, anti-ageing Change, long service life；Because top layer sheath adopts heat vulcanized silicone rubber, selection standard is: its specific insulation is not less than 2 ×1015ω cm, dielectric strength are not less than 200kv/cm, and supporting layer adopts the ceramic alumina fiber that ad hoc approach manufactures, and select Standard is: its specific insulation is not less than 2 × 1013ω cm, dielectric strength are not less than 500kv/cm, and insulating barrier adopts asphalt mixtures modified by epoxy resin Fat and the mixture of glass fibre, along with the cut-off of voided layer, make cable integral insulation very strong and are difficult to puncture damage, extremely Less can anti lightning abrupt slope peak value 5000kv/s；Reasonable, each hierarchical structure of overall construction design and material function are complementary, have pottery fibre The high-intensity high heat-resistance of dimension, the high-elongation of silicone rubber and operating temperature, epoxy resin and mixture of glass fibers on a large scale The comprehensive mechanical performance of high tenacity and buffer capacity, the therefore present invention is good, range is wide.
Brief description
Fig. 1 is the structural representation of the present invention；
In figure: top layer sheath 1, voided layer 2, Teflon membranes 3, supporting layer 4, liner 5, insulating barrier 6, conductor 7.
Specific embodiment
Embodiment 1:
A kind of high-insulativity high-temperature cable, by outer and interior be respectively arranged with top layer sheath 1, voided layer 2, Teflon membranes 3, Supporting layer 4, liner 5, insulating barrier 6, conductor 7；Top layer sheath 1 is made using heat vulcanized silicone rubber；Supporting layer 4 adopts aluminium oxide Ceramic fibre is made；Liner 5 is made using enb ethylene propylene diene rubber；Insulating barrier 6 adopts epoxy resin with glass fibre by weight Mixing material than 9:1 is made；
The manufacture method of this high-insulativity high-temperature cable, comprises the following steps:
1) selection of raw material and preparation
1. top layer sheath 1 raw material selection heat vulcanized silicone rubber, selection standard is: its specific insulation is not less than 2 × 1015 ω cm, dielectric strength be not less than 200kv/cm, long when -55 ~ 180 DEG C of operating temperature range；
2. Teflon membranes 3 raw material selection politef；
3. supporting layer 4 raw material selection adopts the ceramic alumina fiber that ad hoc approach manufactures, and its yield strength is not less than 80n/ mm2, elongation percentage is not less than 25%, specific insulation and is not less than 2 × 1013ω cm, dielectric strength are not less than 500kv/cm；
4. liner 5 raw material selection enb ethylene propylene diene rubber；
5. the insulating barrier 6 raw material selection epoxy resin and glass fibre mixing material of 9:1 by weight；
6. conductor 7 raw material selection standard copper material or aluminium；
2) preparation of ceramic alumina fiber
1. Aluminum Chloride Hexahydrate is mixed with appropriate amount of purified water, stirring simultaneously impurity screening, allocate to the chlorine obtaining mass percent 65% Change aluminum solutions；
2. the container filling liquor alumini chloridi that 1. step obtains is carried out dither, then by after ammonia atomization uniformly lentamente It is passed through in the liquor alumini chloridi that 1. step is prepared, obtain pending solution；
3. step 2. after the completion of continue dither 40min, then the pending solution that 2. step obtains is placed in 30 DEG C of perseverance Under warm environment, and mechanical agitation 40min, obtain preformed solution；
4. it is slowly added dropwise dilute hydrochloric acid solution in the preformed solution that 3. step obtains and stirs, to the ph value 5.2 of solution, obtain former Beginning sol solutionses；
5., at a temperature of the original sol solutionses that 4. step obtains being placed in 80 DEG C, flow back 8h, obtains prefabricated sol solutionses；
6. it is slowly added the poly-vinyl alcohol solution of 5% concentration in the prefabricated sol solutionses that 5. step obtains, obtain pending colloidal sol；
7. the pending colloidal sol using dehydrated alcohol, 6. step being obtained repeatedly rinsed to clean；
8. the colloidal sol that 7. step obtains is spun into thread, that is, stand-by colloidal sol needed for obtaining；
9. the nano alumina powder jointed stand-by colloidal sol that 8. step obtains being positioned over pressure in stove is in the protective atmosphere of 20mpa, It is sintered at a temperature of 1050 DEG C, sintering time 3h；
10. after the completion of sintering, furnace cooling when furnace temperature t is not less than 800 DEG C；Furnace temperature t is in 800 DEG C of half-open fire doors of 500 DEG C≤t ＜ Cooling；500 DEG C of air coolings of coming out of the stove of furnace temperature t ＜；Ceramic alumina fiber needed for obtaining after being air cooled to 150 DEG C of t ＜；
3) manufacture of high-insulativity high-temperature cable
1. conductor 7 is woven by standard mode, obtain stand-by conductor 7；
2. by 1) in the epoxy resin that 5. prepares of step be heated to molten state with glass fibre, obtain encapsulation fluid；
3. the stand-by conductor 7 that 1. step obtains is put into the encapsulation fluid that 2. step obtain to be packaged, obtain stand-by core；
4. by 1) in the enb ethylene propylene diene rubber that 4. prepares of step make tubulose by standard method, obtain set inner tube layer；
5. by 2) in the ceramic alumina fiber that 10. obtains of step be woven into dense mess tubulose, be sleeved on the sleeve pipe that 4. step obtains Inner layer outer surface, obtains sleeve pipe middle level；
6. the sleeve pipe middle level outer surface that after melting politef, 5. even application obtains in step, coating thickness 3mm, obtain Sleeve pipe middle level with Teflon membranes 3；
7. by 1) in the heat vulcanized silicone rubber that 1. prepares of step make top layer sheath 1 by standard method, this top layer sheath 1 interior Footpath 2mm bigger than the sleeve pipe middle level external diameter with Teflon membranes 3 that 6. step obtains；
8. in the sleeve pipe middle level with the Teflon membranes 3 6. stand-by core inserting step that 3. step obtains being obtained, then In the top layer sheath 1 that 7. the assembly entirety inserting step of acquisition is obtained, that is, high-insulativity high-temperature cable needed for obtaining.
According to cable sample manufactured in the present embodiment, bear when can be long -70 DEG C ~ 200 DEG C operating temperature, can anti lightning steep Top of a hill value 6300kv/s, yield strength 103n/mm2, elongation percentage 28%, tensile strength be less than 127n/mm2.
Embodiment 2:
A kind of high-insulativity high-temperature cable, by outer and interior be respectively arranged with top layer sheath 1, voided layer 2, Teflon membranes 3, Supporting layer 4, liner 5, insulating barrier 6, conductor 7；Top layer sheath 1 is made using heat vulcanized silicone rubber；Supporting layer 4 adopts aluminium oxide Ceramic fibre is made；Liner 5 is made using enb ethylene propylene diene rubber；Insulating barrier 6 adopts epoxy resin with glass fibre by weight Mixing material than 9:1 is made；
The manufacture method of this high-insulativity high-temperature cable, comprises the following steps:
1) selection of raw material and preparation
1. top layer sheath 1 raw material selection heat vulcanized silicone rubber, selection standard is: its specific insulation is not less than 2 × 1015 ω cm, dielectric strength be not less than 200kv/cm, long when -55 ~ 180 DEG C of operating temperature range；
2. Teflon membranes 3 raw material selection politef；
3. supporting layer 4 raw material selection adopts the ceramic alumina fiber that ad hoc approach manufactures, and its yield strength is not less than 80n/ mm2, elongation percentage is not less than 25%, specific insulation and is not less than 2 × 1013ω cm, dielectric strength are not less than 500kv/cm；
4. liner 5 raw material selection enb ethylene propylene diene rubber；
5. the insulating barrier 6 raw material selection epoxy resin and glass fibre mixing material of 9:1 by weight；
6. conductor 7 raw material selection standard copper material or aluminium；
2) preparation of ceramic alumina fiber
1. Aluminum Chloride Hexahydrate is mixed with appropriate amount of purified water, stirring simultaneously impurity screening, allocate to the chlorine obtaining mass percent 58% Change aluminum solutions；
2. the container filling liquor alumini chloridi that 1. step obtains is carried out dither, then by after ammonia atomization uniformly lentamente It is passed through in the liquor alumini chloridi that 1. step is prepared, obtain pending solution；
3. step 2. after the completion of continue dither 30min, then the pending solution that 2. step obtains is placed in 25 DEG C of perseverance Under warm environment, and mechanical agitation 30min, obtain preformed solution；
4. it is slowly added dropwise dilute hydrochloric acid solution in the preformed solution that 3. step obtains and stirs, to the ph value 4.8 of solution, obtain former Beginning sol solutionses；
5., at a temperature of the original sol solutionses that 4. step obtains being placed in 70 DEG C, flow back 8h, obtains prefabricated sol solutionses；
6. it is slowly added the poly-vinyl alcohol solution of 3% concentration in the prefabricated sol solutionses that 5. step obtains, obtain pending colloidal sol；
7. the pending colloidal sol using dehydrated alcohol, 6. step being obtained repeatedly rinsed to clean；
8. the colloidal sol that 7. step obtains is spun into thread, that is, stand-by colloidal sol needed for obtaining；
9. the nano alumina powder jointed stand-by colloidal sol that 8. step obtains being positioned over pressure in stove is in the protective atmosphere of 18mpa, It is sintered at a temperature of 1000 DEG C, sintering time 2h；
10. after the completion of sintering, furnace cooling when furnace temperature t is not less than 800 DEG C；Furnace temperature t is in 800 DEG C of half-open fire doors of 500 DEG C≤t ＜ Cooling；500 DEG C of air coolings of coming out of the stove of furnace temperature t ＜；Ceramic alumina fiber needed for obtaining after being air cooled to 150 DEG C of t ＜；
3) manufacture of high-insulativity high-temperature cable
1. conductor 7 is woven by standard mode, obtain stand-by conductor 7；
2. by 1) in the epoxy resin that 5. prepares of step be heated to molten state with glass fibre, obtain encapsulation fluid；
3. the stand-by conductor 7 that 1. step obtains is put into the encapsulation fluid that 2. step obtain to be packaged, obtain stand-by core；
4. by 1) in the enb ethylene propylene diene rubber that 4. prepares of step make tubulose by standard method, obtain set inner tube layer；
5. by 2) in the ceramic alumina fiber that 10. obtains of step be woven into dense mess tubulose, be sleeved on the sleeve pipe that 4. step obtains Inner layer outer surface, obtains sleeve pipe middle level；
6. the sleeve pipe middle level outer surface that after melting politef, 5. even application obtains in step, coating thickness 2mm, obtain Sleeve pipe middle level with Teflon membranes 3；
7. by 1) in the heat vulcanized silicone rubber that 1. prepares of step make top layer sheath 1 by standard method, this top layer sheath 1 interior Footpath 1mm bigger than the sleeve pipe middle level external diameter with Teflon membranes 3 that 6. step obtains；
8. in the sleeve pipe middle level with the Teflon membranes 3 6. stand-by core inserting step that 3. step obtains being obtained, then In the top layer sheath 1 that 7. the assembly entirety inserting step of acquisition is obtained, that is, high-insulativity high-temperature cable needed for obtaining.
According to cable sample manufactured in the present embodiment, bear when can be long -70 DEG C ~ 180 DEG C operating temperature, can anti lightning steep Top of a hill value 5600kv/s, yield strength 87n/mm2, elongation percentage 45%, tensile strength be less than 110n/mm2.
Described above to the disclosed embodiments, only for making professional and technical personnel in the field be capable of or using this Invention.Multiple modifications to these embodiments will be apparent from for those skilled in the art, institute herein The General Principle of definition can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, The present invention is not intended to be limited to the embodiments shown herein, and is to fit to special with principles disclosed herein and novelty The consistent scope the widest of point.

Claims (2)

1. a kind of manufacture method of high-insulativity high-temperature cable is it is characterised in that comprise the following steps:
1) selection of raw material and preparation
1. top layer sheath (1) raw material selection heat vulcanized silicone rubber；
2. Teflon membranes (3) raw material selection politef；
3. supporting layer (4) raw material selection adopts the ceramic alumina fiber that ad hoc approach manufactures；
4. liner (5) raw material selection enb ethylene propylene diene rubber；
5. insulating barrier (6) the raw material selection epoxy resin and glass fibre mixing material of 9:1 by weight；
6. conductor (7) raw material selection standard copper material or aluminium；
2) preparation of ceramic alumina fiber
1. Aluminum Chloride Hexahydrate is mixed with appropriate amount of purified water, stirring simultaneously impurity screening, allocate to acquisition mass percent 58%-65% Liquor alumini chloridi；
2. the container filling liquor alumini chloridi that 1. step obtains is carried out dither, then by after ammonia atomization uniformly lentamente It is passed through in the liquor alumini chloridi that 1. step is prepared, obtain pending solution；
3. step 2. after the completion of continue dither 30min-40min, then the pending solution that 2. step obtains is placed in 25 Under DEG C -30 DEG C of isoperibol, and mechanical agitation 30min-40min, obtain preformed solution；
4. it is slowly added dropwise dilute hydrochloric acid solution in the preformed solution that 3. step obtains and stirs, to ph value 4.8-5.2 of solution, obtain Obtain original sol solutionses；
5., at a temperature of the original sol solutionses that 4. step obtains being placed in 70 DEG C -80 DEG C, flow back 8h, obtains prefabricated sol solutionses；
6. it is slowly added the poly-vinyl alcohol solution of 3-5% concentration in the prefabricated sol solutionses that 5. step obtains, obtain pending molten Glue；
7. the pending colloidal sol using dehydrated alcohol, 6. step being obtained repeatedly rinsed to clean；
8. the colloidal sol that 7. step obtains is spun into thread, that is, stand-by colloidal sol needed for obtaining；
9. the nano alumina powder jointed stand-by colloidal sol that 8. step obtains being positioned over pressure in stove is the protective atmosphere of 18-20mpa In, it is sintered at a temperature of 1000 DEG C -1050 DEG C, sintering time 2h-3h；
10. after the completion of sintering, furnace cooling when furnace temperature t is not less than 800 DEG C；Furnace temperature t is in 800 DEG C of half-open fire doors of 500 DEG C≤t ＜ Cooling；500 DEG C of air coolings of coming out of the stove of furnace temperature t ＜；Ceramic alumina fiber needed for obtaining after being air cooled to 150 DEG C of t ＜；
3) manufacture of high-insulativity high-temperature cable
1. conductor (7) is woven by standard mode, obtain stand-by conductor (7)；
2. by 1) in the epoxy resin that 5. prepares of step be heated to molten state with glass fibre, obtain encapsulation fluid；
3. the stand-by conductor (7) that 1. step obtains is put into the encapsulation fluid that 2. step obtain to be packaged, obtain stand-by core Material；
4. by 1) in the enb ethylene propylene diene rubber that 4. prepares of step make tubulose by standard method, obtain set inner tube layer；
5. by 2) in the ceramic alumina fiber that 10. obtains of step be woven into dense mess tubulose, be sleeved on the sleeve pipe that 4. step obtains Inner layer outer surface, obtains sleeve pipe middle level；
6. the sleeve pipe middle level outer surface that after melting politef, 5. even application obtains in step, coating thickness 2mm-3mm, Obtain the sleeve pipe middle level with Teflon membranes (3)；
7. by 1) in the heat vulcanized silicone rubber that 1. prepares of step make top layer sheath (1) by standard method, this top layer sheath (1) The big 1mm ~ 2mm of sleeve pipe middle level external diameter of band Teflon membranes (3) that 6. obtains than step of internal diameter；
In the sleeve pipe middle level of the band Teflon membranes (3) 8. 6. the stand-by core inserting step that 3. step obtains being obtained, In the top layer sheath (1) more 7. the assembly entirety inserting step of acquisition being obtained, that is, high-insulativity high-temperature cable needed for obtaining.
2. the high-insulativity high-temperature cable that a kind of manufacture method according to claim 1 produces, including top layer sheath (1), Supporting layer (4), liner (5), insulating barrier (6), conductor (7) it is characterised in that: between top layer sheath (1) and supporting layer (4) also It is provided with voided layer (2), voided layer (2) and supporting layer (4) intersection are provided with Teflon membranes (3)；Top layer sheath (1) Made using heat vulcanized silicone rubber；Supporting layer (4) is made using ceramic alumina fiber；Liner (5) adopts enb EPDM Rubber is made；Insulating barrier (6) is made by weight the mixing material of 9:1 with glass fibre using epoxy resin.
CN201610713344.6A 2016-08-24 2016-08-24 A kind of high-insulativity high-temperature cable and its manufacture method Active CN106373643B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610713344.6A CN106373643B (en) 2016-08-24 2016-08-24 A kind of high-insulativity high-temperature cable and its manufacture method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610713344.6A CN106373643B (en) 2016-08-24 2016-08-24 A kind of high-insulativity high-temperature cable and its manufacture method

Publications (2)

Publication Number Publication Date
CN106373643A true CN106373643A (en) 2017-02-01
CN106373643B CN106373643B (en) 2017-11-28

Family

ID=57878507

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610713344.6A Active CN106373643B (en) 2016-08-24 2016-08-24 A kind of high-insulativity high-temperature cable and its manufacture method

Country Status (1)

Country Link
CN (1) CN106373643B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610822A (en) * 2017-09-21 2018-01-19 长乐晶尚设计有限公司 A kind of flame-retardant high-temperature cable and its manufacture method
CN107703591A (en) * 2017-09-22 2018-02-16 宁波光极照明科技有限公司 A kind of corrosion resistant type flexible optical cable and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05174629A (en) * 1991-12-20 1993-07-13 Toshiba Chem Corp Insulating paste
JPH06283043A (en) * 1993-03-25 1994-10-07 Tatsuta Electric Wire & Cable Co Ltd Cable for anti-spattering welding robot
JPH0750107A (en) * 1993-08-05 1995-02-21 Showa Electric Wire & Cable Co Ltd Water-proof tree cable
CN101430954A (en) * 2008-12-11 2009-05-13 中国西电电气股份有限公司 Production method for composite insulator silicon rubber jacket
CN102306513A (en) * 2010-07-27 2012-01-04 南洋电缆集团有限公司 Expansion type environment-friendly halogen-free high-flame retardant and fire-resistant cable and method thereof
CN105348575A (en) * 2015-11-26 2016-02-24 王威淞 Formula of insulating cable jacket encapsulation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05174629A (en) * 1991-12-20 1993-07-13 Toshiba Chem Corp Insulating paste
JPH06283043A (en) * 1993-03-25 1994-10-07 Tatsuta Electric Wire & Cable Co Ltd Cable for anti-spattering welding robot
JPH0750107A (en) * 1993-08-05 1995-02-21 Showa Electric Wire & Cable Co Ltd Water-proof tree cable
CN101430954A (en) * 2008-12-11 2009-05-13 中国西电电气股份有限公司 Production method for composite insulator silicon rubber jacket
CN102306513A (en) * 2010-07-27 2012-01-04 南洋电缆集团有限公司 Expansion type environment-friendly halogen-free high-flame retardant and fire-resistant cable and method thereof
CN105348575A (en) * 2015-11-26 2016-02-24 王威淞 Formula of insulating cable jacket encapsulation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610822A (en) * 2017-09-21 2018-01-19 长乐晶尚设计有限公司 A kind of flame-retardant high-temperature cable and its manufacture method
CN107703591A (en) * 2017-09-22 2018-02-16 宁波光极照明科技有限公司 A kind of corrosion resistant type flexible optical cable and preparation method thereof

Also Published As

Publication number Publication date
CN106373643B (en) 2017-11-28

Similar Documents

Publication Publication Date Title
CN106448964A (en) Insulating material for high temperature resistant insulating cables and method for preparing same thereof
CN106128608B (en) A kind of high-strength flexible fireproof cable and preparation method thereof
CN201142245Y (en) Novel flame-proof fire resistant cable
CN106373643A (en) High-insulativity and high-temperature-resistant cable and manufacturing method therefor
CN109147995A (en) A kind of optoelectronic composite cable
CN112599292A (en) Composite cable and preparation process thereof
CN206946975U (en) A kind of heat-resistant enamelled wire
CN106158098A (en) A kind of high shielding high-temperature cable and manufacture method thereof
CN201477932U (en) PEEK insulation high-temperature-resistant control cable
CN201402659Y (en) Temperature resistant environment-friendly type compensating cable used for thermocouple
CN107610822A (en) A kind of flame-retardant high-temperature cable and its manufacture method
CN201584195U (en) Cable for wind power generation
CN209266067U (en) A kind of cable with long service life
CN106158147B (en) A kind of shield type flexible fire-proof cable and preparation method thereof
CN201408596Y (en) Compensation cable for temperature-resistant thermocouple
CN106158121B (en) A kind of flame retardant type flexible fire-proof cable and preparation method thereof
CN106373660B (en) A kind of manufacture method of spring sheathed structure optoelectrical cable
CN214279633U (en) Rubber sleeve tensile cable
CN210821252U (en) High-performance glass fiber composition
CN109411139B (en) A kind of antifatigue long-life wind-powered electricity generation cable of anti-torsion and preparation method thereof
CN212010465U (en) Cable with good weather resistance
CN211742738U (en) Torsion-resistant high-flame-retardant wind energy cable
CN105047286A (en) Fire-resistant cable
CN211529675U (en) Corona-resistant enameled wire
CN217061614U (en) 10kv composite insulator without prevention detection

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20190717

Address after: 055550 Ningjin Xiankou Development Zone, Xingtai City, Hebei Province

Patentee after: Days Link Cable Group Co., Ltd.

Address before: 315000 room 1788-3, building 1558, Jiangnan Road, hi tech Zone, Ningbo, Zhejiang, China, 17

Patentee before: Ningbo Huazhong and Industrial Design Co. Ltd.

TR01 Transfer of patent right