CN106158147B - A kind of shield type flexible fire-proof cable and preparation method thereof - Google Patents

A kind of shield type flexible fire-proof cable and preparation method thereof Download PDF

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Publication number
CN106158147B
CN106158147B CN201610713318.3A CN201610713318A CN106158147B CN 106158147 B CN106158147 B CN 106158147B CN 201610713318 A CN201610713318 A CN 201610713318A CN 106158147 B CN106158147 B CN 106158147B
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layer
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shield type
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CN106158147A (en
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何琳
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King Kong Cable Industry Co ltd
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Ningbo Huazhong And Industrial Design Co Ltd
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    • 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
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or 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
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inorganic Fibers (AREA)

Abstract

The invention discloses a kind of shield type flexible fire-proof cable and preparation method thereof, the shield type flexible fire-proof cable includes top layer sheath, voided layer, supporting layer, liner, insulating barrier, screen layer, conductor, 70 DEG C ~ 200 DEG C of operating temperature is born when can be long, shielding grade is at least A levels, minimum bending radius not higher than 8 times of diameter, at least can anti lightning abrupt slope peak value 5000kV/s, yield strength be not less than 80N/mm2, elongation percentage not less than 25%, tensile strength be not less than 100N/mm2；By will be woven into using the graphitized carbon fibre that ad hoc approach manufactures webmaster shape be used as supporting layer, increase the design of voided layer, preferred material as base material, weave and be electrolysed wrought copper silk screen into screen layer, obtain splendid performance；The shield type flexible fire-proof cable comprehensive mechanical performance of the present invention is good, insulating properties is strong, shield effectiveness is good, minimum bending radius is small, high temperature resistant, anti-aging, service life is long, use range is wide.

Description

A kind of shield type flexible fire-proof cable and preparation method thereof
Technical field
The present invention relates to field of electrical components, more particularly to a kind of shield type flexible fire-proof cable and preparation method thereof.
Background technology
Cable, typically by several or similar rope that several groups of wires (every group at least two) are twisted cable, often Mutually insulated between group wire, and be often twisted into around a center, whole outside is surrounded by the coating of high-insulation.Cable has There are interior energization, the feature of external insulation.
Insulating barrier uniformly hermetically wraps up one layer of non electrically conductive material in cable conductor periphery, such as：Resin, plastics, Silicon rubber, PVC etc., but these materials are limited by essential performance, and its heat resistance and insulating properties are relatively weak.
In the Patents applied at home, patent《Flexible fine and soft brass wire shielding drag chain power cable》(application number： 201410705447.9 publication date：2016-06-22), a kind of flexible fine and soft brass wire shielding drag chain power cable is disclosed, equally Copper mesh is employed as screen layer, but because the copper mesh is arranged at normal cable (graphitized carbon fibre net of the present invention) place, Its shield effectiveness is not that lifting is too many on normal cable basis, and shield effectiveness is relatively poor, and use range is smaller；What is used is exhausted Edge material is mainly conventional polyester fiber and neoprene in addition to the material of core surfaces, and both material insulation properties are general, Even it will not typically be used as insulating materials, and it is easily weak by the insulating properties of acid and alkali corrosion, poor water resistance, easy firing, therefore the invention, Service life is short, and fire retardancy is poor, easy to aging, non-refractory；Overall structure machine does not make too many change compared with routine techniques, respectively Aspect mechanical performance is also not in significant change, therefore its comprehensive mechanical performance is poor, minimum bending radius is larger.
The content of the invention
To solve drawbacks described above present in prior art, the present invention is intended to provide a kind of comprehensive mechanical performance is good, insulation Property is strong, shield effectiveness is good, minimum bending radius is small, high temperature resistant, the shield type that anti-aging, service life is long, use range is wide are soft Property fireproof cable and its manufacture method.
To achieve these goals, the present invention uses following technical scheme：A kind of manufacture of shield type flexible fire-proof cable Method, comprise the following steps：
1) selection of raw material and preparation
1. top layer sheath raw material selection is solidified with the modification heat vulcanized silicone rubber of 5~8wt% flame retardant of magnesium hydroxide, Selection standard is：Its specific insulation is not less than 2 × 1015Ω cm, dielectric strength not less than 200kV/cm, it is long when operating temperature Scope -55~180 DEG C；
2. supporting layer raw material selection graphitized carbon fibre；
3. liner raw material selection ENB ethylene propylene diene rubbers；
4. the mixing material of insulating barrier raw material selection epoxy resin and glass fibre by weight 9: 1；
5. conductor raw material selection copper material or aluminium；
6. screen layer raw material selection diameter 0.2mm-0.5mm electrolysis wrought copper silk；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture The volume ratio of interior polyethylene glycol oxide and pure water is 2.5-3: 7, obtains spinning solution；
3. 2. spinning solution that step obtains is sprayed into coagulating bath by aperture 0.05mm-0.08mm spray orifice pressurization, Pressure limit is 1.5bar-2bar, and shower nozzle and coagulation bath identity distance obtain polyacrylonitrile fibril from for 10mm-15mm；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after Charing process, preceding 750 DEG C -800 DEG C of charing process temperature, processing time 5min-10min, rear 1500 DEG C of charing process temperature - 1600 DEG C, processing time 5min-8min obtains carbon fiber；
6. 5. carbon fiber that step is obtained puts carry out graphitization processing, will be positioned over 2400 DEG C of -2500 DEG C of rings Under border, 8s-12s is incubated；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of shield type flexible fire-proof cable
1. conductor is woven, formed metal-cored, the electrolysis wrought copper silk that step in 1) 6. prepares is woven in core surfaces, Dense mess tubulose is woven into, copper wire stratum reticulare is formed, obtains stand-by conductor；
2. 1) 4. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor that step is obtained is put into 2. encapsulation that step obtains and is packaged with fluid, stand-by core is obtained Material；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, 4. set that step obtains is sleeved on Inner tube layer outer surface, obtain sleeve pipe middle level；
6. 1) the 1. heat vulcanized silicone rubber for being solidified with 5~8wt% flame retardant of magnesium hydroxide that step in prepares is made Top layer sheath, the internal diameter of the top layer sheath are bigger 1mm~2mm than 5. sleeve pipe middle level external diameter that step obtains；
7. in 5. sleeve pipe middle level that 3. stand-by core inserting step that step is obtained obtains, then the assembly of acquisition is whole In 6. top layer sheath that body inserting step obtains, that is, obtain needed for shield type flexible fire-proof cable.
The shield type flexible fire-proof cable that a kind of manufacture method of above-mentioned shield type flexible fire-proof cable produces, including table Layer sheath, voided layer, supporting layer, liner, insulating barrier, conductor；Voided layer is additionally provided between top layer sheath and supporting layer； Fine and close netted copper wire stratum reticulare is additionally provided between insulating barrier and conductor；Top layer sheath uses and is solidified with 5~8wt% magnesium hydroxides The modification heat vulcanized silicone rubber of fire retardant；Supporting layer is made of graphitized carbon fibre；Liner uses ENB ethylene propylene diene rubbers It is made；Insulating barrier is made using epoxy resin with glass fibre by weight 9: 1 mixing material.
The shield type flexible fire-proof cable bears -70 DEG C~200 DEG C of operating temperature when can be long, shielding grade is at least A Level, minimum bending radius not higher than 8 times of diameter, at least can anti lightning abrupt slope peak value 5000kV/s, yield strength be not less than 80N/mm2, elongation percentage not less than 25%, tensile strength be not less than 100N/mm2。
Compared with prior art, the present invention has advantages below：Heat vulcanized silicone rubber, the ENB EPDMs of selection Rubber, graphitized carbon fibre all have extraordinary resistant to elevated temperatures ageing resistace, plus among supporting layer and top layer sheath There is provided voided layer, plays radiating, heat-insulated effect, heat-sinking capability is much stronger than normal cable so that the overall anti-height of whole cable Warm ageing resistace obtains considerable lifting, thus the shield type flexible fire-proof cable high temperature resistant of the present invention, it is anti-aging, use the longevity Life length；The flame retardant of magnesium hydroxide of addition can greatly improve the toughness, heat resistance and stability of material, have textile Press down cigarette, nontoxic, environmentally friendly high fire-retardance efficiency；Because top layer sheath uses heat vulcanized silicone rubber, selection standard is：Its volume electricity Resistance rate is not less than 2 × 1015Ω cm, dielectric strength are not less than 200kV/cm, and insulating barrier is using epoxy resin and glass fibre Mixture, along with the cut-off of voided layer, and be arranged on the copper wire stratum reticulare of conductive surface, make cable integral insulation very strong and Breakdown damage is not easy, at least can anti lightning abrupt slope peak value 5000kV/s；Overall construction design is reasonable, each hierarchical structure and material work( Can be complementary, there are the high intensity high-flexibility of graphitized fibre, the high-elongation of silicon rubber and a wide range of operating temperature, epoxy resin With the high tenacity and buffer capacity of mixture of glass fibers, and voided layer provide yielding and cushion space, make the present invention it is comprehensive Close good mechanical property, bendable bilge radius are big, use range is wide；Conductive surface is being covered in because copper wire stratum reticulare is directly fine and close, from The electromagnetic shielding capability of the present invention is fundamentally improved, plus carbon fiber and good shielding material, therefore the screen of the present invention It is good to cover effect.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
In figure：Top layer sheath 1, voided layer 2, copper wire stratum reticulare 3, supporting layer 4, liner 5, insulating barrier 6, conductor 7.
Embodiment
Embodiment 1：
A kind of shield type flexible fire-proof cable, by it is outer and it is interior be provided with top layer sheath 1, voided layer 2, supporting layer 4, liner 5, Insulating barrier 6, fine and close netted copper wire stratum reticulare 3, conductor 7；Top layer sheath 1 uses and is solidified with changing for 5wt% flame retardant of magnesium hydroxide Property heat vulcanized silicone rubber；Supporting layer 4 is made of graphitized carbon fibre；Liner 5 is made of ENB ethylene propylene diene rubbers；Absolutely The system of the shield type flexible fire-proof cable is made of the mixing material of epoxy resin and glass fibre by weight 9: 1 for edge layer 6 Method is made, is comprised the following steps：
1) selection of raw material and preparation
1. the raw material selection of top layer sheath 1 is solidified with the modification heat vulcanized silicone rubber of 5wt% flame retardant of magnesium hydroxide, choosing It is with standard：Its specific insulation is not less than 2 × 1015Ω cm, dielectric strength not less than 200kV/cm, it is long when operating temperature model Enclose -55~180 DEG C；
2. the raw material selection graphitized carbon fibre of supporting layer 4；
3. the raw material selection ENB ethylene propylene diene rubbers of liner 5；
4. the mixing material of the raw material selection epoxy resin of insulating barrier 6 and glass fibre by weight 9: 1；
5. the raw material selection copper material of conductor 7 or aluminium；
6. screen layer raw material selection diameter 0.2mm electrolysis wrought copper silk；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture The volume ratio of interior polyethylene glycol oxide and pure water is 2.5: 7, obtains spinning solution；
3. 2. spinning solution that step obtains is sprayed into coagulating bath by aperture 0.05mmm spray orifice pressurization, pressure model Enclose for 1.5bar, shower nozzle and coagulation bath identity distance obtain polyacrylonitrile fibril from for 10mm；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after Charing process, preceding 750 DEG C of charing process temperature, processing time 5min, rear 1500 DEG C of charing process temperature, processing time, 5min was obtained Obtain carbon fiber；
6. 5. carbon fiber that step is obtained puts carry out graphitization processing, will be positioned under 2400 DEG C of environment, protect Warm 8s；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of shield type flexible fire-proof cable
1. conductor 7 is woven, formed metal-cored, the electrolysis wrought copper silk that step in 1) 6. prepares is woven in core table Face, dense mess tubulose is woven into, forms copper wire stratum reticulare 3, obtain stand-by conductor；
2. 1) 4. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor that step is obtained is put into 2. encapsulation that step obtains and is packaged with fluid, stand-by core is obtained Material；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, 4. set that step obtains is sleeved on Inner tube layer outer surface, obtain sleeve pipe middle level；
6. 1) top layer is made in the 1. heat vulcanized silicone rubber for being solidified with 5wt% flame retardant of magnesium hydroxide that step in prepares Sheath 1, the internal diameter of the top layer sheath 1 are bigger 1mm than 5. sleeve pipe middle level external diameter that step obtains；
7. in 5. sleeve pipe middle level that 3. stand-by core inserting step that step is obtained obtains, then the assembly of acquisition is whole In 6. top layer sheath 1 that body inserting step obtains, that is, obtain needed for shield type flexible fire-proof cable.
The cable sample produced according to the present embodiment, -70 DEG C~200 DEG C of operating temperature, shielding grade are born when can be long For A levels, minimum bending radius are diameter 6 times, can anti lightning abrupt slope peak value 5300kV/s, yield strength 91N/mm2, elongation percentage 37%th, tensile strength is not less than 112N/mm2。
Embodiment 2：
A kind of shield type flexible fire-proof cable, by it is outer and it is interior be provided with top layer sheath 1, voided layer 2, supporting layer 4, liner 5, Insulating barrier 6, fine and close netted copper wire stratum reticulare 3, conductor 7；Top layer sheath 1 uses and is solidified with changing for 8wt% flame retardant of magnesium hydroxide Property heat vulcanized silicone rubber；Supporting layer 4 is made of graphitized carbon fibre；Liner 5 is made of ENB ethylene propylene diene rubbers；Absolutely Edge layer 6 is made using epoxy resin with glass fibre by weight 9: 1 mixing material.
The manufacture method of the shield type flexible fire-proof cable, comprises the following steps：
1) selection of raw material and preparation
1. the raw material selection of top layer sheath 1 is solidified with the modification heat vulcanized silicone rubber of 8wt% flame retardant of magnesium hydroxide, choosing It is with standard：Its specific insulation is not less than 2 × 1015Ω cm, dielectric strength not less than 200kV/cm, it is long when operating temperature model Enclose -55~180 DEG C；
2. the raw material selection graphitized carbon fibre of supporting layer 4；
3. the raw material selection ENB ethylene propylene diene rubbers of liner 5；
4. the mixing material of the raw material selection epoxy resin of insulating barrier 6 and glass fibre by weight 9: 1；
5. the raw material selection copper material of conductor 7 or aluminium；
6. screen layer raw material selection diameter 0.5mm electrolysis wrought copper silk；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture The volume ratio of interior polyethylene glycol oxide and pure water is 3: 7, obtains spinning solution；
3. 2. spinning solution that step obtains is sprayed into coagulating bath by aperture 0.08mm spray orifice pressurization, pressure limit For 2bar, shower nozzle and coagulation bath identity distance obtain polyacrylonitrile fibril from for 15mm；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process with after Charing process, preceding 800 DEG C of charing process temperature, processing time 10min, rear 1600 DEG C of charing process temperature, processing time 8min Obtain carbon fiber；
6. 5. carbon fiber that step is obtained puts carry out graphitization processing, will be positioned under 2500 DEG C of environment, protect Warm 12s；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of shield type flexible fire-proof cable
1. conductor 7 is woven, formed metal-cored, the electrolysis wrought copper silk that step in 1) 6. prepares is woven in core table Face, dense mess tubulose is woven into, forms copper wire stratum reticulare 3, obtain stand-by conductor；
2. 1) 4. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor that step is obtained is put into 2. encapsulation that step obtains and is packaged with fluid, stand-by core is obtained Material；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, 4. set that step obtains is sleeved on Inner tube layer outer surface, obtain sleeve pipe middle level；
6. 1) top layer is made in the 1. heat vulcanized silicone rubber for being solidified with 8wt% flame retardant of magnesium hydroxide that step in prepares Sheath 1, the internal diameter of the top layer sheath 1 are bigger 2mm than 5. sleeve pipe middle level external diameter that step obtains；
7. in 5. sleeve pipe middle level that 3. stand-by core inserting step that step is obtained obtains, then the assembly of acquisition is whole In 6. top layer sheath 1 that body inserting step obtains, that is, obtain needed for shield type flexible fire-proof cable.
The cable sample produced according to the present embodiment, -70 DEG C~200 DEG C of operating temperature, shielding grade are born when can be long For T levels, minimum bending radius are diameter 8 times, can anti lightning abrupt slope peak value 6100kV/s, yield strength 102N/mm2, extension Rate 29%, tensile strength are not less than 133N/mm2。
The foregoing description of the disclosed embodiments, only for enabling professional and technical personnel in the field to realize or using this Invention.A variety of modifications to these embodiments will be apparent for those skilled in the art, institute herein The General Principle of definition can be realized in other embodiments without departing from the spirit or scope of the present invention.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 most wide scope of point.

Claims (2)

1. a kind of manufacture method of shield type flexible fire-proof cable, it is characterised in that comprise the following steps：
1) selection of raw material and preparation
Top layer sheath 1. (1) raw material selection is solidified with the modification heat vulcanized silicone rubber of 5~8wt% flame retardant of magnesium hydroxide；
Supporting layer 2. (4) raw material selection graphitized carbon fibre；
Liner 3. (5) raw material selection ENB ethylene propylene diene rubbers；
The mixing material of insulating barrier 4. (6) raw material selection epoxy resin and glass fibre by weight 9: 1；
Conductor 5. (7) raw material selection copper material or aluminium；
6. screen layer raw material selection diameter 0.2mm-0.5mm electrolysis wrought copper silk；
2) preparation of graphitized carbon fibre
1. ammonia, propane and acrylonitrile are synthesized into polyacrylonitrile resin；
2. 1. polyacrylonitrile resin that step is obtained is dissolved in the intermixture of polyethylene glycol oxide and pure water, the intermixture cohesion The volume ratio of ethylene oxide and pure water is 2.5-3: 7, obtains spinning solution；
3. 2. spinning solution that step obtains is sprayed into coagulating bath by aperture 0.05mm-0.08mm spray orifice pressurization, pressure Scope is 1.5bar-2bar, and shower nozzle and coagulation bath identity distance obtain polyacrylonitrile fibril from for 10mm-15mm；
4. 3. polyacrylonitrile fibril that step is obtained is pre-oxidized, pre-oxidized fibers are obtained；
5. 4. pre-oxidized fibers that step is obtained carry out charing process, the charing process is divided into preceding charing process and rear charing Processing, preceding 750 DEG C -800 DEG C of charing process temperature, processing time 5min-10min, 1500 DEG C -1600 of rear charing process temperature DEG C, processing time 5min-8min obtains carbon fiber；
6. 5. carbon fiber that step is obtained puts carry out graphitization processing, will be positioned under 2400 DEG C of -2500 DEG C of environment, It is incubated 8s-12s；
7. silk is received, graphitized carbon fibre needed for acquisition；
3) manufacture of shield type flexible fire-proof cable
1. conductor (7) is woven, formed metal-cored, the electrolysis wrought copper silk that step in 1) 6. prepares is woven in core surfaces, Dense mess tubulose is woven into, copper wire stratum reticulare (3) is formed, obtains stand-by conductor；
2. 1) 4. epoxy resin that step in prepares and glass fibre are heated into molten state, encapsulation fluid is obtained；
3. 1. stand-by conductor that step is obtained is put into 2. encapsulation that step obtains and is packaged with fluid, stand-by core is obtained；
4. 1) 4. ENB ethylene propylene diene rubbers that step in prepares are made into tubulose, set inner tube layer is obtained；
5. 2) 7. graphitized carbon fibre that step in is obtained is woven into dense mess tubulose, it is sleeved in 4. sleeve pipe that step obtains Layer outer surface, obtains sleeve pipe middle level；
6. 1) top layer sheath (1) is made in 1. modification heat vulcanized silicone rubber that step in prepares, the internal diameter of the top layer sheath (1) It is bigger 1mm~2mm than 5. sleeve pipe middle level external diameter that step obtains；
7. in 5. sleeve pipe middle level that 3. stand-by core inserting step that step is obtained obtains, then the assembly of acquisition integrally inserted Enter in 6. top layer sheath (1) that step obtains, i.e. shield type flexible fire-proof cable needed for acquisition.
A kind of 2. shield type fire resistant flexible that manufacture method of shield type flexible fire-proof cable produces according to claim 1 Cable, including top layer sheath (1), voided layer (2), supporting layer (4), liner (5), insulating barrier (6), conductor (7), its feature exist In：Voided layer (2) is additionally provided between top layer sheath (1) and supporting layer (4)；Also set between insulating barrier (6) and conductor (7) It is equipped with fine and close netted copper wire stratum reticulare (3)；Top layer sheath (1) is using the modified warm for being solidified with 5~8wt% flame retardant of magnesium hydroxide Vulcanization type silicon rubber；Supporting layer (4) is made of graphitized carbon fibre；Liner (5) is made of ENB ethylene propylene diene rubbers；Absolutely Edge layer (6) is made using epoxy resin with glass fibre by weight 9: 1 mixing material.
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CN107610840A (en) * 2017-09-22 2018-01-19 宁波光极照明科技有限公司 A kind of high insulated type flexible fire-proof cable and preparation method thereof
CN109559849B (en) * 2018-11-09 2020-10-30 福州盛世凌云环保科技有限公司 Moisture-preserving wind erosion-resistant anti-aging wind power cable and preparation method thereof

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