CN104332233A - Environmentally-friendly fireproof, insulated and anti-corrosive armored cable - Google Patents

Environmentally-friendly fireproof, insulated and anti-corrosive armored cable Download PDF

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Publication number
CN104332233A
CN104332233A CN201410625585.6A CN201410625585A CN104332233A CN 104332233 A CN104332233 A CN 104332233A CN 201410625585 A CN201410625585 A CN 201410625585A CN 104332233 A CN104332233 A CN 104332233A
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China
Prior art keywords
corrosion
conductor
layer
cable
connecting rod
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CN201410625585.6A
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Chinese (zh)
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CN104332233B (en
Inventor
薛超
杨建军
叶松林
黄在艳
刘春江
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Guang'an Pioneer Chuanghua Finance Electronic Technology Co., Ltd.
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Sichuan Ling Chuanbao Rock Electronic Science And Technology Co Ltd
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Priority to CN201410625585.6A priority Critical patent/CN104332233B/en
Publication of CN104332233A publication Critical patent/CN104332233A/en
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Publication of CN104332233B publication Critical patent/CN104332233B/en
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Abstract

The invention discloses an environmentally-friendly fireproof, insulated an anti-corrosive armored cable. The cable comprises cores, conductors, an insulating layer, a shielding layer and an outer sheath; the sections of the conductors are of a circular structure; two cores are arranged in the conductors; reinforcing cores which are fixedly connected through PVC plastic connecting rod are arranged at the outside of the conductors and uniformly arranged in the PVC plastic connecting rod; filling layers are arranged at clearance parts of the conductors and the PVC plastic connecting rod; a guide core is arranged between the conductors and tangent to the conductors; the insulating layer is arranged at the outer part of the PVC plastic connecting rod; the surface of the insulating layer is covered with an insulating paint layer; the shielding layer is tightly extruded on the outer surface of the insulating paint layer; a flame-retardant glass fiber knitting layer is tightly extruded at the outer part of the shielding layer; an armored layer, an inner sheath and an outer sheath are tightly extruded at the flame-retardant glass fiber knitting layer from inside to outside; FRP (Fiber Reinforce Plastic) strips and steel wires are tightly arranged in an anti-corrosive asphalt layer. The cable has the advantages of being reasonable in structural design, high in insulating performance and high in anti-corrosion performance.

Description

The corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative
Technical field
The present invention relates to field of cables, particularly relate to the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative.
Background technology
At present, along with the development of science and technology, the fields such as industry are also at rapid advances, what bring is the increase of cable consumption thereupon, the existing construction of cable generally comprises many conductors, be coated on the insulating barrier outside each conductor, several part such as braid and sheath is formed, the kind of cable has a lot, the environment for use that can be applied in fields different in a lot of field is different, therefore different requirements is also had to cable, the number of patent application that Chinese patent literature is announced is a kind of fire resistant power cable of CN201220490928.9 is by conductor, the elastomer of silicon rubber extrusion moulding and fire-resistant isinglass belt are formed, but the structure designed by this cable is comparatively simple, conductor only has one deck flame-proof polyvinyl chloride restrictive coating outward, if used in rugged environment, do not have the long-time ability used.Be easy to be corroded, and can not bear larger pressure, cable is easy to the phenomenon occurring fracture when being squeezed or stretching, thus reduces operating efficiency, also makes the increase of entreprise cost.The number of patent application that Chinese patent literature is announced is a kind of insulation shielding control cables of CN201320601054.4, it is by insulated wire sandwich layer, screen and sheath are formed, its structure adopts the screen that polyvinyl chloride is formed and the sheath be made up of flame-proof polyvinyl chloride, but this construction of cable is comparatively simple, in rugged environment, cable is corroded for a long time because of it, its useful life is shorter, people's long-term needs can not be met, once this cable cover(ing) breaks, then very large impact is caused on the whole construction of cable, insulating properties is poor, and waterproof and dampproof effect can not be played, the demand of existing people to cable can not be met.
Summary of the invention
In order to overcome the above-mentioned defect that prior art exists, the invention discloses the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative, it comprises conductor, insulating barrier, screen and oversheath.Cross-sectional area of conductor is circular configuration; Two cores are provided with in conductor; Conductor is outside equipped with the strengthening core be fixedly connected with by PVC plastic connecting rod; Strengthening core is evenly distributed in PVC plastic connecting rod; The gap portion of conductor and PVC plastic connecting rod is provided with packed layer; Guide core is provided with between conductor; Guide core and conductor tangent; PVC plastic connecting rod is outside equipped with insulating barrier; Surface of insulating layer is coated with one deck insulating lacquer layer; Screen is closely extruded in the outer surface of insulating lacquer layer; Screen is closely extruded with combustion-proof glass fiber braid outward; Combustion-proof glass fiber braid is closely extruded with armour, inner sheath and oversheath from inside to outside; In anti-corrosion asphalt layer, close-packed arrays has FRP bar and steel wire.The present invention has reasonable in design, good insulation preformance and the advantage such as anticorrosive.
The present invention solves its technical problem, the technical scheme adopted is: the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative, comprise conductor, insulating barrier, screen and oversheath, its design feature is: be provided with many conductors altogether, and described cross-sectional area of conductor is circular configuration; Two cores are provided with in described conductor; Described conductor is outside equipped with the strengthening core be fixedly connected with by PVC plastic connecting rod; Described strengthening core is evenly distributed in PVC plastic connecting rod; The gap portion of described conductor and PVC plastic connecting rod is provided with packed layer; Guide core is provided with between described conductor; And described guide core and conductor tangent; Described PVC plastic connecting rod is outside equipped with insulating barrier; Described surface of insulating layer is coated with one deck insulating lacquer layer; Described screen is closely extruded in the outer surface of insulating lacquer layer; Described screen is closely extruded with combustion-proof glass fiber braid outward; Described combustion-proof glass fiber braid is closely extruded with armour, inner sheath and oversheath from inside to outside; Anti-corrosion asphalt layer is provided with between described inner sheath and oversheath; In described anti-corrosion asphalt layer, close-packed arrays has some FRP bars and steel wire.
The corrosion-resistant armoured cable of above-mentioned a kind of environment protecting fireproof insulative, to be that tin-coated copper tow is stranded form described core, and be added with high-carbon steel wire in described core.
The corrosion-resistant armoured cable of above-mentioned a kind of environment protecting fireproof insulative, described combustion-proof glass fiber braid is the composite bed combined by glass fiber tape and polyester belt.
The corrosion-resistant armoured cable of above-mentioned a kind of environment protecting fireproof insulative, described screen adopts the high temperature resistant heat insulation material extrusion moulding of nanoceramic particles and silicate compound composition to form.
The corrosion-resistant armoured cable of above-mentioned a kind of environment protecting fireproof insulative, described insulating lacquer layer is melamine alkyd impregnating varnish, epoxy fat insulating varnish or polyester-imide compound enamelled coating.
The corrosion-resistant armoured cable of above-mentioned a kind of environment protecting fireproof insulative, described inner sheath adopts to be made up of the butyronitrile material of the organic silicon ribbon adding mica, anticorrisive agent and antioxidant.
The corrosion-resistant armoured cable of above-mentioned a kind of environment protecting fireproof insulative, described insulating barrier, insulating lacquer layer and screen are all even to outdiffusion centered by the guide core tangent with conductor.
The corrosion-resistant armoured cable of above-mentioned a kind of environment protecting fireproof insulative, described oversheath adopts the corrosion-resistant polyolefine material of low-smoke bittern-free highly fire-proof to make.
Owing to have employed such scheme, compared with the prior art, the present invention has following beneficial effect:
1, the core employing tin-coated copper tow arranged in described conductor is stranded to be formed, greatly can improve the electric conductivity of cable, also make cable more stable by the process of conductor propagation signal, high-carbon finer wire is added with in described core, conductor effectively can be made to have stronger stretch-proof performance, can not rupture easily.
2, described conductor is outside equipped with PVC plastic connecting rod; and be provided with many strengthening cores in described PVC plastic connecting rod, make the structure of cable inside more compact, thus make cable operationally more stable; the situation of bend fracture can not be there is because of stressed, also effectively protect conductor.
3, the material that the insulating barrier set gradually outside described PVC plastic connecting rod and insulating barrier apply outward is melamine alkyd impregnating varnish, the insulating lacquer layer of epoxy fat insulating varnish or polyester-imide composite paint can improve the insulation effect of cable, extends the useful life of cable.
4, the screen of the high temperature resistant heat insulation material extrusion molding be made up of nanoceramic particles and silicate compound that described insulating lacquer layer closely extrudes outward can improve the interference free performance of cable greatly, make it can not easily by external interference, thus make cable work better effects if, also improve operating efficiency.
5, described inner sheath adopts interpolation organic silicon ribbon anticorrisive agent of mica and the butyronitrile material of antioxidant to make, thus there is stronger heat-resisting ability, and can not be oxidized easily and occur crackle, can in rugged environment the long period use, reduce maintenance probability, make entreprise cost lower.
6, described oversheath is made up of the corrosion-resistant polyolefine material of the high flame retardant of low smoke and zero halogen, higher temperature can be born, and harmful Substances Pollution environment can not be produced in hot environment, thus make its environmental-protecting performance more excellent, meet present the advocated environmental protection concept of people.
Accompanying drawing explanation
Fig. 1 is cross-sectional structure schematic diagram of the present invention;
Fig. 2 is the structural representation of conductor of the present invention.
Wherein: 1, core; 2, conductor; 3, guide core; 4, packed layer; 5, PVC plastic connecting rod; 6, strengthening core; 7, insulating barrier; 8, insulating lacquer layer; 9, screen; 10, combustion-proof glass fiber braid; 11, armour; 12, inner sheath; 13, steel wire; 14, FRP bar; 15, anti-corrosion asphalt layer; 16, oversheath.
Embodiment
As shown in Figures 1 and 2, the first embodiment of the present invention is: a kind of environment-friendly fireproof flame-proof abrasion-resistant damages armoured cable, and it comprises conductor 2, insulating barrier 7, screen 9 and oversheath 16, and described conductor 2 cross section is circular configuration; Two cores 1 are provided with in described conductor 2; Described conductor 2 is outside equipped with the strengthening core 6 be fixedly connected with by PVC plastic connecting rod 5; Described strengthening core 6 is evenly distributed in PVC plastic connecting rod 5; The gap portion of described conductor 2 and PVC plastic connecting rod 5 is provided with packed layer 4; Guide core 3 is provided with between described conductor 2; And described guide core 3 is tangent with conductor 2; Described PVC plastic connecting rod 5 is outside equipped with insulating barrier 7; Described insulating barrier 7 surface-coated has one deck insulating lacquer layer 8; Described screen 9 is closely extruded in the outer surface of insulating lacquer layer 8; Described screen 9 is outer is closely extruded with combustion-proof glass fiber braid 10; Described combustion-proof glass fiber braid 10 is closely extruded with armour 11, inner sheath 12 and oversheath 16 from inside to outside; Anti-corrosion asphalt layer 15 is provided with between described inner sheath 12 and oversheath 16; In described anti-corrosion asphalt layer 15, close-packed arrays has some FRP bars 14 and steel wire 13.
Three conductors 2 are provided with in described cable; And be provided with two cores 1 in described every root conductor 2; Described conductor 2 is tangent between two, and the diameter of three conductors 2 is identical, is 50mm, and this had both reduced conductor 2 area occupied, and the structure of cable also can be made more stable; The core 1 arranged in described conductor 2 adopts that tin-coated copper tow is stranded to be formed, greatly can improve the electric conductivity of cable, also make cable more stable by the process of conductor 2 signal transmission, high-carbon finer wire is added with in described core 1, conductor 2 effectively can be made to have stronger stretch-proof performance, can not rupture easily; The gap portion of described conductor 2 inside is provided with a guide core 3; Described guide core 3 effectively can increase the shielding of cable, makes the use of cable more stable; Described conductor 2 is outside equipped with one deck PVC plastic connecting rod 5, and described PVC plastic connecting rod 5 is circular configuration, and it tightly contacts with conductor 2; And be provided with 8 strengthening cores 6 in described PVC plastic connecting rod 5; Described strengthening core 6 forms for stainless steel wire weaves; Described PVC plastic connecting rod 5 can improve the stretch-proof performance of cable greatly, and can effectively protect conductor 2 can not because being subject to stronger pressure or torsion and occurring the situation of bend fracture, effectively protect conductor 2 and adopt the strengthening core 6 of stainless steel wire braiding to match with PVC plastic connecting rod 5, further promote the stretch-proof performance of cable, thus enhance the result of use of cable; Packed layer 4 material that gap portion between described PVC plastic connecting rod 5 and conductor 2 is arranged is the mineral matter of low thermal resistance; Described packed layer 4 can not only keep cable can not because by external force and produce deformation, and can external transferring heat, the transmittability of cable is increased greatly, improves the operating efficiency of cable; Described PVC plastic connecting rod 5 is coated with that the outer set material of a layer insulating 7 and insulating barrier 7 is melamine alkyd impregnating varnish, the insulating lacquer layer 8 of epoxy fat insulating varnish or polyester-imide composite paint can improve the insulation effect of cable greatly, substantially prolongs the useful life of cable; The screen 9 of the outer high temperature resistant heat insulation material extrusion molding be made up of nanoceramic particles and silicate compound closely extruded of described insulating lacquer layer 8 can improve the interference free performance of cable greatly, make it can not easily by external interference, thus make cable work better effects if, also improve operating efficiency; The outer set combustion-proof glass fiber braid 10 of described screen 9 is the composite beds combined by glass fiber tape and polyester belt, not only can have the advantage of opposing high temperature, cold and acid and alkali-resistance, also can use in comparatively rugged environment, make the electric property of cable more stable, ageing resistance is given prominence to, thus can use for a long time, meet the needs of people; What contact with combustion-proof glass fiber braid 10 is woven to the armour 11 of list structure for stainless steel wire; Described armour 11 is closely looped around outside combustion-proof glass fiber braid 10 by many strip stainless steel wires to form; The pressure that this structure can disperse cable to bear, thus reduction conductor 2 ruptures because of stressed separately greatly, the effective tensile resistance promoting cable, makes its longer service life; Described inner sheath 12 adopts interpolation organic silicon ribbon anticorrisive agent of mica and the butyronitrile material of antioxidant to make, thus there is stronger heat-resisting ability, and can not be oxidized easily and occur crackle, can in rugged environment the long period use, reduce maintenance probability, make entreprise cost lower; Between described inner sheath 12 and oversheath 16 arrange anti-corrosion asphalt layer 15 and anti-corrosion asphalt layer 15 between arrange compact arranged FRP bar 14 and steel wire 13, the excess loss of cable electric energy can be reduced, improve the ampacity of cable, the corrosion resistance of cable is strengthened, thus extend the useful life of cable, improve the security reliability of cable; Described oversheath 16 is made up of the corrosion-resistant polyolefine material of the high flame retardant of low smoke and zero halogen, higher temperature can be born, and harmful Substances Pollution environment can not be produced in hot environment, thus make its environmental-protecting performance more excellent, meet present the advocated environmental protection concept of people.
The above is the embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in the present patent application scope change or modify, and are included in patent claim of the present invention.

Claims (8)

1. the corrosion-resistant armoured cable of environment protecting fireproof insulative, comprise conductor (2), insulating barrier (7), screen (9) and oversheath (16), it is characterized in that: be provided with many conductors (2) altogether, described conductor (2) cross section is circular configuration; Two cores (1) are provided with in every root conductor (2); Described conductor (2) is outside equipped with the strengthening core (6) be fixedly connected with by PVC plastic connecting rod (5); Described strengthening core (6) is evenly distributed in PVC plastic connecting rod (5); The gap portion of described conductor (2) and PVC plastic connecting rod (5) is provided with packed layer (4); Guide core (3) is provided with between described conductor (2); And described guide core (3) is tangent with conductor (2); Described PVC plastic connecting rod (5) is outside equipped with insulating barrier (7); Described insulating barrier (7) surface-coated has insulating lacquer layer (8); Described screen (9) is closely extruded in the outer surface of insulating lacquer layer (8); Described screen (9) is closely extruded with combustion-proof glass fiber braid (10) outward; Described combustion-proof glass fiber braid (10) is closely extruded with armour (11), inner sheath (12) and oversheath (16) from inside to outside; Anti-corrosion asphalt layer (15) is provided with between described inner sheath (12) and oversheath (16); In described anti-corrosion asphalt layer (15), close-packed arrays has some FRP bars (14) and steel wire (13).
2. the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative according to claim 1, it is characterized in that: described core (1) forms for tin-coated copper tow is stranded, and be added with high-carbon steel wire (13) in described core (1).
3. the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative according to claim 1, is characterized in that: described combustion-proof glass fiber braid (10) is the composite bed combined by glass fiber tape and polyester belt.
4. the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative according to claim 1, is characterized in that: described screen (9) adopts the high temperature resistant heat insulation material extrusion moulding of nanoceramic particles and silicate compound composition to form.
5. the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative according to claim 1, is characterized in that: described insulating lacquer layer (8) is melamine alkyd impregnating varnish, epoxy fat insulating varnish or polyester-imide compound enamelled coating.
6. the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative according to claim 1, is characterized in that: described inner sheath (12) adopts to be made up of the butyronitrile material of the organic silicon ribbon adding mica, anticorrisive agent and antioxidant.
7. the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative according to claim 1, is characterized in that: described insulating barrier (7), insulating lacquer layer (8) and screen (9) are all even to outdiffusion centered by the guide core (3) tangent with conductor (2).
8. the corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative according to claim 1, is characterized in that: described oversheath (16) adopts the corrosion-resistant polyolefine material of low-smoke bittern-free highly fire-proof to make.
CN201410625585.6A 2014-11-07 2014-11-07 A kind of corrosion-resistant armored cable of environment protecting fireproof insulative Active CN104332233B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104733097A (en) * 2015-02-26 2015-06-24 安徽华成电缆有限公司 Anti-stretching insulating cable
CN104733085A (en) * 2015-02-27 2015-06-24 安徽华源电缆集团有限公司 High-voltage-resisting industrial cable
CN104766657A (en) * 2015-03-23 2015-07-08 安徽贝特电缆科技有限公司 Low-smoke halogen-free insulating industrial cable
CN105139956A (en) * 2015-03-28 2015-12-09 安徽瑞昊缆业有限公司 Industrial moistureproof crosslinked polyethylene cable
CN105374441A (en) * 2015-11-28 2016-03-02 陈国涛 Novel cable wire
CN105609167A (en) * 2016-01-27 2016-05-25 安徽卓越电缆有限公司 Tear-resistance shielding insulation cable
CN105895231A (en) * 2016-05-18 2016-08-24 安徽国华电缆集团有限公司 Reinforced antioxidant stretch-resistant industrial power cable
CN106700479A (en) * 2017-01-12 2017-05-24 芜湖航天特种电缆厂股份有限公司 Polyethylene oxide-epoxy resin cable insulating material and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN103871665A (en) * 2014-02-26 2014-06-18 安徽复兴电缆集团有限公司 Corrosion proof cable used for offshore oil platform
CN203826086U (en) * 2014-03-28 2014-09-10 安徽华天电缆有限公司 Environment-friendly waterproof high temperature-resistant corrosion-resistant insulated cable
CN104318994A (en) * 2014-10-22 2015-01-28 安徽环宇电缆集团有限公司 Low smoke zero halogen waterproof high temperature resistant anti-corrosion armored cable
CN204204483U (en) * 2014-11-07 2015-03-11 四川领创宝岩电子科技有限公司 The corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103871665A (en) * 2014-02-26 2014-06-18 安徽复兴电缆集团有限公司 Corrosion proof cable used for offshore oil platform
CN203826086U (en) * 2014-03-28 2014-09-10 安徽华天电缆有限公司 Environment-friendly waterproof high temperature-resistant corrosion-resistant insulated cable
CN104318994A (en) * 2014-10-22 2015-01-28 安徽环宇电缆集团有限公司 Low smoke zero halogen waterproof high temperature resistant anti-corrosion armored cable
CN204204483U (en) * 2014-11-07 2015-03-11 四川领创宝岩电子科技有限公司 The corrosion-resistant armoured cable of a kind of environment protecting fireproof insulative

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104733097A (en) * 2015-02-26 2015-06-24 安徽华成电缆有限公司 Anti-stretching insulating cable
CN104733085A (en) * 2015-02-27 2015-06-24 安徽华源电缆集团有限公司 High-voltage-resisting industrial cable
CN104766657A (en) * 2015-03-23 2015-07-08 安徽贝特电缆科技有限公司 Low-smoke halogen-free insulating industrial cable
CN105139956A (en) * 2015-03-28 2015-12-09 安徽瑞昊缆业有限公司 Industrial moistureproof crosslinked polyethylene cable
CN105374441A (en) * 2015-11-28 2016-03-02 陈国涛 Novel cable wire
CN105609167A (en) * 2016-01-27 2016-05-25 安徽卓越电缆有限公司 Tear-resistance shielding insulation cable
CN105895231A (en) * 2016-05-18 2016-08-24 安徽国华电缆集团有限公司 Reinforced antioxidant stretch-resistant industrial power cable
CN106700479A (en) * 2017-01-12 2017-05-24 芜湖航天特种电缆厂股份有限公司 Polyethylene oxide-epoxy resin cable insulating material and preparation method thereof

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Effective date of registration: 20190513

Address after: 638600 Guang'an City, Sichuan Province, Huaying City Industrial New Town Leads the Way

Patentee after: Guang'an Pioneer Chuanghua Finance Electronic Technology Co., Ltd.

Address before: 638600 Guanghua Avenue Mechanical and Electrical Industrial Park, Huaying City, Guang'an City, Sichuan Province

Patentee before: Sichuan Ling Chuanbao rock Electronic Science and Technology Co., Ltd.

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