CN106531321B - A kind of fire-retardant frequency-conversion power cable of mesolow - Google Patents

A kind of fire-retardant frequency-conversion power cable of mesolow Download PDF

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Publication number
CN106531321B
CN106531321B CN201611221321.XA CN201611221321A CN106531321B CN 106531321 B CN106531321 B CN 106531321B CN 201611221321 A CN201611221321 A CN 201611221321A CN 106531321 B CN106531321 B CN 106531321B
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CN
China
Prior art keywords
parts
layer
fire
power cable
flame
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.)
Expired - Fee Related
Application number
CN201611221321.XA
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Chinese (zh)
Other versions
CN106531321A (en
Inventor
杨慧慧
陈丽芹
崔淑恒
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.)
Taoyuan Linyi Industrial Co Ltd
State Grid Corp of China SGCC
Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Taoyuan Linyi Industrial Co Ltd
State Grid Corp of China SGCC
Linyi Power Supply Co of State Grid Shandong Electric Power 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 Taoyuan Linyi Industrial Co Ltd, State Grid Corp of China SGCC, Linyi Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Taoyuan Linyi Industrial Co Ltd
Priority to CN201611221321.XA priority Critical patent/CN106531321B/en
Publication of CN106531321A publication Critical patent/CN106531321A/en
Application granted granted Critical
Publication of CN106531321B publication Critical patent/CN106531321B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00Power cables
    • H01B9/02Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/021Features relating to screening tape per se
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22Metal wires or tapes, e.g. made of steel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29Protection against damage caused by extremes of temperature or by flame
    • H01B7/295Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/40Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing

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  • Insulated Conductors (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The invention discloses a kind of fire-retardant frequency-conversion power cable of mesolow, it belongs to power cable technical field.It mainly includes the copper conductor that three outsides are provided with screen layer, the center for the geometry that three copper conductors are constituted is provided with insulating cord, the outside of three screen layers, which is provided with outside insulating barrier, insulating barrier, is sequentially provided with zero line layer, support frame, conductor layer, flame-resistant insulation layer, armor and sheath;The zero line layer includes being provided with flame resistant filler material between equally distributed 15 zero lines, two adjacent zero lines, and conductor layer includes being provided with flame resistant filler material between two adjacent copper conductors in equally distributed 6 copper conductors, conductor layer;Flame resistant filler material is provided between support frame and conductor layer.The present invention is simple in construction, using 3+15+6 core structure, is amenable at a high speed pulse voltage during frequently frequency conversion, and insulation and good flame retardation effect.Present invention is mainly used for frequency conversion electrical equipment.

Description

A kind of fire-retardant frequency-conversion power cable of mesolow
Technical field
The invention belongs to power cable technical field, specifically, more particularly to a kind of fire-retardant frequency conversion electric power of mesolow is electric Cable.
Background technology
As the increase of commercial power load and large industrial enterprise automaticity are improved constantly, big-power transducer and change Frequency motor communicates a large amount of of various precision instruments and used, and the major loop electric power of connection frequency converter or variable-frequency motor is in transmission electric energy During produce square wave and higher hamonic wave, so as to influence the normal work of other precision instruments.
Converter technique has been applied to the every field of Industry Control with it with economize on electricity, energy-conservation, reliable, efficient characteristic In.But because in personnel dead in fire caused by cable, have 2/3rds be because suction cable fire when discharge have How poisonous gas and dense smoke and death by suffocation, therefore cable is while transmission electric power is ensured, ensure that the anti-flammability of cable is aobvious It is particularly important.
The content of the invention
It is an object of the invention to overcome drawbacks described above, there is provided a kind of fire-retardant frequency-conversion power cable of mesolow, the letter of its structure It is single, using 3+15+6 core structure, it is amenable at a high speed pulse voltage during frequently frequency conversion, and insulation and good flame retardation effect.
The fire-retardant frequency-conversion power cable of described mesolow, including three outsides are provided with the copper conductor of screen layer, three shieldings The centre of layer is provided with insulating cord, and the center for the geometry that three copper conductors are constituted is provided with outside insulating cord, insulating barrier to be set successively There are zero line layer, support frame, conductor layer, flame-resistant insulation layer, armor and sheath;The zero line layer includes equally distributed 15 zero Flame resistant filler material is provided between line, two adjacent zero lines, conductor layer includes two in equally distributed 6 copper conductors, conductor layer Flame resistant filler material is provided between adjacent copper conductor;Flame resistant filler material is provided between support frame and conductor layer, it is described fire-retardant to fill out Material is filled to be made up of the composition of following parts by weight:45-50 parts of low density polyethylene (LDPE), 25-30 parts of phenol-formaldehyde resin powder, N- phenyl -2- 5-6 parts of naphthylamines, 2-3 parts of cellulose, 3-4 parts of preservative, 2-3 parts of stabilizer.
Further, support frame includes support tube first and support tube second, uniform four between support tube first and support tube second Skeleton, support tube first, skeleton and support tube second are formed in one structure.
Further, support frame as described above is made up of the composition of following parts by weight:55-60 parts of macromolecule resin, polyvinyl chloride 25-28 parts, 15-20 parts of phenol-formaldehyde resin powder, 6-7 parts of silicones, plasticizer, 1-2 parts of curing agent, 2-3 parts of stabilizer.
Further, the insulating cord is formed by aramid fiber yarn braiding.
Further, the screen layer is using the spiral wrapped wire of individual layer aluminium foil outer wrapping.
Further, the insulating barrier is made using winding mica tape outside tetrachloro-ethylene hexafluoropropylene copolymer.
Further, the flame-resistant insulation layer is made using halogen-free and low-smoke flame-retardant polyolefin material.
Further, the armor forms for the chain armouring Double-layer gap of aluminium alloy is wrapped.
Further, the diameter ratio of the zero line and copper conductor is 1:3.
Compared with prior art, the beneficial effects of the invention are as follows:
1st, the present invention is made the present invention have stronger proof voltage impact, is amenable to height using 3+15+6 core structure Pulse voltage during fast frequently frequency conversion, so as to be played a good protection to frequency conversion electrical equipment;
2nd, by the insulating cord that folder aramid fiber yarn weaves in the middle of three copper conductors, and fixed, made by insulating barrier Three copper conducting wire structures are compact, firm, be equipped between good insulating, and two zero lines and in conductor layer between two adjacent copper conductors Flame resistant filler material, is further ensured that the flame-resistant insulation effect of the present invention;
3rd, support frame of the present invention is made using special material, and it insulate and support effect is good, and structural stability is higher, significantly Improve the service life of the present invention.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the structural representation of support frame.
In figure, 1, sheath;2nd, armor;3rd, flame-resistant insulation layer;4th, support frame;5th, conductor layer;6th, flame resistant filler material;7、 Zero line layer;8th, insulating barrier;9th, insulating cord;10th, copper conductor;11st, screen layer;12nd, support tube first;13rd, skeleton;14th, support tube second.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings:
Embodiment one:As shown in figure 1, the fire-retardant frequency-conversion power cable of mesolow, including three outsides are provided with screen layer 11 Copper conductor 10, the center for the geometry that three copper conductors 10 are constituted is provided with insulating cord 9, and the outside of three screen layers 11 is provided with Zero line layer 7, support frame 4, conductor layer 5, flame-resistant insulation layer 3, armor 2 and sheath 1 are sequentially provided with outside insulating barrier 8, insulating barrier 8; The zero line layer 7 includes being provided with flame resistant filler material 6 between equally distributed 15 zero lines, two adjacent zero lines, and conductor layer 5 includes Flame resistant filler material 6 is provided between two adjacent copper conductors 10 in equally distributed 6 copper conductors 10, conductor layer 5;Zero line and copper The diameter ratio of wire 10 is 1:3, between support frame 4 and conductor layer 5 be provided with flame resistant filler material 6, the flame resistant filler material 6 by The composition composition of following parts by weight:45-50 parts of low density polyethylene (LDPE), 25-30 parts of phenol-formaldehyde resin powder, N- phenyl-2-naphthylamines 5-6 Part, 2-3 parts of cellulose, 3-4 parts of preservative, 2-3 parts of stabilizer.
Embodiment two:Support frame 4 includes support tube first 12 and support tube second 14, between support tube first 12 and support tube second 14 Uniform four skeletons 13, support tube first 12, skeleton 13 and support tube second 14 are formed in one structure;It is other with the phase of embodiment one Together.
Embodiment three:Support frame as described above 4 is made up of the composition of following parts by weight:55-60 parts of macromolecule resin, polyvinyl chloride 25-28 parts, 15-20 parts of phenol-formaldehyde resin powder, 6-7 parts of silicones, plasticizer, 1-2 parts of curing agent, 2-3 parts of stabilizer;It is other with it is real Apply example two identical.
Example IV:The insulating cord 9 is formed by aramid fiber yarn braiding;Screen layer 11 is spiral using individual layer aluminium foil outer wrapping Wrapped wire;Insulating barrier 8 is made using winding mica tape outside tetrachloro-ethylene hexafluoropropylene copolymer;Flame-resistant insulation layer 3 are made using halogen-free and low-smoke flame-retardant polyolefin material;Armor 2 forms for the chain armouring Double-layer gap of aluminium alloy is wrapped; It is other identical with embodiment three.
The present invention substantially increases the service life of the present invention, in flame resistant filler material 6 using 3+15+6 core structure And under the cooperation of support frame 4, further increase fire-retardant, insulation effect, and be amenable at a high speed frequently frequency conversion when pulse voltage, So as to be played a good protection to frequency conversion electrical equipment.

Claims (7)

1. a kind of fire-retardant frequency-conversion power cable of mesolow, it is characterised in that:Including three outsides, the copper provided with screen layer (11) is led Line (10), the center for the geometry that three copper conductors (10) are constituted is provided with insulating cord (9), the outside of three screen layers (11) Be sequentially provided with provided with insulating barrier (8), outside insulating barrier (8) zero line layer (7), support frame (4), conductor layer (5), flame-resistant insulation layer (3), Armor (2) and sheath (1);The zero line layer (7) is included between equally distributed 15 zero lines, two adjacent zero lines provided with fire-retardant Packing material (6), conductor layer (5) includes two adjacent copper conductors in equally distributed 6 copper conductors (10), conductor layer (5) (10) flame resistant filler material (6) is provided between;Flame resistant filler material (6) is provided between support frame (4) and conductor layer (5), it is described Flame resistant filler material (6) is made up of the composition of following parts by weight:45-50 parts of low density polyethylene (LDPE), 25-30 parts of phenol-formaldehyde resin powder, 5-6 parts of N- phenyl-2-naphthylamines, 2-3 parts of cellulose, 3-4 parts of preservative, 2-3 parts of stabilizer;Support frame as described above (4) includes support Cylinder first (12) and support tube second (14), uniform four skeletons (13), support tube between support tube first (12) and support tube second (14) First (12), skeleton (13) and support tube second (14) are formed in one structure, and support frame (4) is made up of the composition of following parts by weight: 55-60 parts of macromolecule resin, 25-28 parts of polyvinyl chloride, 15-20 parts of phenol-formaldehyde resin powder, 6-7 parts of silicones, plasticizer, curing agent 1-2 parts, 2-3 parts of stabilizer.
2. the fire-retardant frequency-conversion power cable of mesolow according to claim 1, it is characterised in that:The insulating cord (9) is by virtue Synthetic fibre silk braiding is formed.
3. the fire-retardant frequency-conversion power cable of mesolow according to claim 2, it is characterised in that:The screen layer (11) uses The spiral wrapped wire of individual layer aluminium foil outer wrapping.
4. the fire-retardant frequency-conversion power cable of mesolow according to claim 3, it is characterised in that:The insulating barrier (8) uses Mica tape is wound outside tetrachloro-ethylene hexafluoropropylene copolymer to be made.
5. the fire-retardant frequency-conversion power cable of mesolow according to claim 4, it is characterised in that:The flame-resistant insulation layer (3) It is made using halogen-free and low-smoke flame-retardant polyolefin material.
6. the fire-retardant frequency-conversion power cable of mesolow according to claim 5, it is characterised in that:The armor (2) is aluminium The chain armouring Double-layer gap of alloy is wrapped to be formed.
7. the fire-retardant frequency-conversion power cable of mesolow according to any one of claim 1 to 6, it is characterised in that:Described zero The diameter ratio of line and copper conductor (10) is 1:3.
CN201611221321.XA 2016-12-26 2016-12-26 A kind of fire-retardant frequency-conversion power cable of mesolow Expired - Fee Related CN106531321B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611221321.XA CN106531321B (en) 2016-12-26 2016-12-26 A kind of fire-retardant frequency-conversion power cable of mesolow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611221321.XA CN106531321B (en) 2016-12-26 2016-12-26 A kind of fire-retardant frequency-conversion power cable of mesolow

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CN106531321B true CN106531321B (en) 2017-08-25

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993020564A1 (en) * 1992-04-02 1993-10-14 Abb Norsk Kabel As Arrangement in a cable, especially a fire resistant cable structure, and a method for manufacturing such a cable structure
CN203276893U (en) * 2013-04-19 2013-11-06 成都佳美嘉科技有限公司 Variable frequency electric cable
CN203491003U (en) * 2013-08-26 2014-03-19 安徽航天电缆集团有限公司 Major loop power cable for frequency converter
CN203871054U (en) * 2014-05-20 2014-10-08 姚俊 Flexible conductor frequency conversion power cable
CN105885285A (en) * 2016-05-03 2016-08-24 安徽九华金润铜业有限公司 Environmentally-friendly PVC (Polyvinyl Chloride) cable material
CN105895216A (en) * 2016-05-18 2016-08-24 安徽国华电缆集团有限公司 Anti-interference ultraviolet-resistant cable for mobile communication
CN205621515U (en) * 2016-04-26 2016-10-05 杭州富通电线电缆有限公司 Coaxial cable

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993020564A1 (en) * 1992-04-02 1993-10-14 Abb Norsk Kabel As Arrangement in a cable, especially a fire resistant cable structure, and a method for manufacturing such a cable structure
CN203276893U (en) * 2013-04-19 2013-11-06 成都佳美嘉科技有限公司 Variable frequency electric cable
CN203491003U (en) * 2013-08-26 2014-03-19 安徽航天电缆集团有限公司 Major loop power cable for frequency converter
CN203871054U (en) * 2014-05-20 2014-10-08 姚俊 Flexible conductor frequency conversion power cable
CN205621515U (en) * 2016-04-26 2016-10-05 杭州富通电线电缆有限公司 Coaxial cable
CN105885285A (en) * 2016-05-03 2016-08-24 安徽九华金润铜业有限公司 Environmentally-friendly PVC (Polyvinyl Chloride) cable material
CN105895216A (en) * 2016-05-18 2016-08-24 安徽国华电缆集团有限公司 Anti-interference ultraviolet-resistant cable for mobile communication

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Inventor after: Sui Shufa

Inventor after: Yang Zhen

Inventor after: Zhou Zhongtang

Inventor after: Zhang Qingwei

Inventor after: Gong Gu

Inventor after: Zou Bing

Inventor after: Cui Shuheng

Inventor after: Ma Yao

Inventor before: Yang Huihui

Inventor before: Chen Liqin

Inventor before: Cui Shuheng

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Granted publication date: 20170825

CF01 Termination of patent right due to non-payment of annual fee