CN207966545U - A kind of alloy-type flame-proof environmental protection electric wire - Google Patents

A kind of alloy-type flame-proof environmental protection electric wire Download PDF

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Publication number
CN207966545U
CN207966545U CN201820531711.5U CN201820531711U CN207966545U CN 207966545 U CN207966545 U CN 207966545U CN 201820531711 U CN201820531711 U CN 201820531711U CN 207966545 U CN207966545 U CN 207966545U
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CN
China
Prior art keywords
alloy
layer
electric wire
flame
several
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Expired - Fee Related
Application number
CN201820531711.5U
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Chinese (zh)
Inventor
林朝前
许雁飞
林雪
张豹
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SICHUAN WANYANG CABLE CO Ltd
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SICHUAN WANYANG CABLE CO Ltd
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Priority to CN201820531711.5U priority Critical patent/CN207966545U/en
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Publication of CN207966545U publication Critical patent/CN207966545U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model is related to electric wire field more particularly to a kind of alloy-type flame-proof environmental protection electric wires.Its technical solution is:A kind of alloy-type flame-proof environmental protection electric wire, including several alloy conductors, insulating layer, shielded layer, the inner sheath set gradually from inside to outside on alloy conductor;Further include the flame-retardant layer set gradually from inside to outside, thermal insulation layer, damp-proof layer, oversheath, several alloy conductors, several insulating layers, several shielded layers, several inner sheaths are sheathed in flame-retardant layer, and water-proofing powder is filled between inner sheath and flame-retardant layer;It is provided with several metal barrier flaps in oversheath, fire prevention rubber powder is coated in metal barrier flaps, the material of oversheath is linear PE or elasticity PE.The utility model provide it is a kind of can effectively it is heat-insulated, fire-retardant to reduce the alloy-type flame-proof environmental protection electric wire of damage amount, solve the problems, such as that existing electric wire causes electric wire largely to damage in fire behavior heat in electric wire vertical spread.

Description

A kind of alloy-type flame-proof environmental protection electric wire
Technical field
The utility model is related to electric wire field more particularly to a kind of alloy-type flame-proof environmental protection electric wires.
Background technology
As the quickening of paces and each is transformed in the rapid growth of Chinese national economy, especially rural area and Construction of Intercity Network Ground real estate flourishes, and the electric utility in China is developed rapidly, and is matched for power industry to push Electrician trade, the Cultivar development of the especially development of wires and cables industry, electric wire shows diversified trend.Electric wire Cable develops from simple power transmission to multifunction, i.e., has been attached some new spies respectively according to different purposes Property.Such as:Flame retardant cable, fire-resisting cable, low smoke and low halogen cable, low smoke, zero halogen cable etc..In recent years, in rugged environment and The cable laid under moist environment, there is a growing awareness that the importance of cable-flame retardant.Cable under burning condition still It is the project that current cable industry is actively studied that can maintain the normal work of the circuit for a period of time.It is exactly generally, Just in case catching fire, cable once will not just burn, and circuit is safer.
Number of patent application is that the utility model patent of CN200420003044.1 discloses a kind of environmentally friendly electricity of fire-retardant and fire resisting Line cable belongs to electric elements field, the wherein environmentally friendly 3 core cables of rated voltage 6-35KV crosslinked polyethylenes low-smoke non-halogen flame-retardant, Its conductor uses copper wire or aluminium wire, is extruded with two layers of fire-resistant isinglass belt outside conductor, which extrudes useful semiconductive plastic production outside Internal shield, low-smoke halogen-free polyolefin plastic insulating layer is extruded with outside internal shield, insulation screen is extruded with outside insulating layer, The wrapped copper strip shielding layer outside insulation screen.Shielded layer is around with glass fiber flame retardant twining package tape.It is cased with outside twining package tape fire-retardant Igelite inner cushion layer, inner cushion layer is outer with steel-tape armouring, and steel band is cased with the low smoke and zero halogen extruded through special extrusion equipment outside Polyolefin plastics sheath.This product is in production and the avoidable possibility for occurring to cause fire because of cable itself in, combustion A large amount of toxic and harmful gas will not be discharged in burning, ensured the life security of people.
But said wires, during fire-retardant, heat can still be transmitted along electric wire.Electric wire is after heat transfer, although not having Burning, but high temperature still causes the material property of each layer of electric wire to change or fail, and leads to the performances drop such as electric wire fire prevention, moisture-proof It is low.Therefore, during fire-retardant, the transmission of heat is also reduced, just can guarantee the normal work of electric wire.
Utility model content
The utility model overcomes the deficiencies in the prior art, provide it is a kind of can effectively it is heat-insulated, fire-retardant to reduce damage amount Alloy-type flame-proof environmental protection electric wire solves existing electric wire and causes electric wire largely to damage in electric wire vertical spread in fire behavior heat The problem of ruining.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of alloy-type flame-proof environmental protection electric wire, including several alloy conductors are set gradually from inside to outside on alloy conductor Insulating layer, shielded layer, inner sheath;Further include the flame-retardant layer set gradually from inside to outside, thermal insulation layer, damp-proof layer, oversheath, it is several Alloy conductor, several insulating layers, several shielded layers, several inner sheaths are sheathed in flame-retardant layer, between inner sheath and flame-retardant layer Filled with water-proofing powder;It is provided with several metal barrier flaps in oversheath, fire prevention rubber powder is coated in metal barrier flaps, oversheath Material is linear PE or elasticity PE.
As the preferred embodiment of the utility model, the metal barrier flaps are divided into transverse metal barrier flaps and longitudinal metal resistance Partition, transverse metal barrier flaps are perpendicular to the axis of alloy conductor, the axis co-planar of longitudinal metal barrier flaps and alloy conductor.
As the preferred embodiment of the utility model, the fire prevention rubber powder is expansion fire-proof rubber powder, the painting of epoxy cable fire-proof One kind in material, fire retardant coating of aquosity cable.
As the preferred embodiment of the utility model, the flame-retardant layer includes the carbon composite layer set gradually from inside to outside, oxygen Change magnesium flame-retardant layer, interior mineral wool rope.
As the preferred embodiment of the utility model, the thermal insulation layer include in the aeroge carpet veneer set gradually outside, outside Mineral wool rope, Ceramic silicon rubber twining package tape.
As the preferred embodiment of the utility model, the damp-proof layer includes the mica tape set gradually from inside to outside, glass Fibrous layer.
Compared with prior art, the utility model has the beneficial effects that:
1, it is provided with metal barrier flaps in the oversheath of the utility model, fire prevention rubber powder is coated in metal barrier flaps, then When encountering fire behavior, the fire prevention rubber powder in metal barrier flaps, which meets fire, can expand to form fine and close cellular layer of charcoal, play anti-fire screen Heat effect.To form shielding at metal barrier flaps, reduce heat and transmitted on electric wire, reducing electric wire makes each layer because of high temperature The case where material property changes.Heat transfer is reduced on electric wire, accordingly reduces the amount of electric wire damage, reduces maintenance difficulties.Outside The material of sheath is linear PE or elasticity PE, to which the pernicious gas that electric wire burning generates is less, is conducive to environmental protection.
2, oversheath is separated into several fritters by transverse metal barrier flaps and longitudinal metal barrier flaps, then metal barrier flaps energy Burning and the sprawling of heat are effectively prevented, the electric wire amount of burning is reduced.
3, any one of expansion fire-proof rubber powder, epoxy cable fire-refractory coating, fire retardant coating of aquosity cable can rise To the effect for meeting fire expansion, to prevent fires, rubber powder can rapidly be expanded in fire behavior, effectively completely cut off the intensity of a fire, avoided the intensity of a fire in electricity Line vertical spread.
4, flame-retardant layer includes carbon composite layer, magnesia flame-retardant layer, interior mineral wool rope, is formed by different types of fire proofing Flame-retardant layer avoids single fire proofing that from cannot burning to various article and carries out fire-retardant situation, and carries out multilayer protection to conductor, Ensure that burning does not extend within flame-retardant layer.
5, the thermal insulation layer that aeroge carpet veneer, outer mineral wool rope, Ceramic silicon rubber twining package tape are formed can improve the heat-insulated of electric wire Effect, the case where avoiding electric wire internal layer from damaging in the case of a high temperature.Aeroge carpet veneer, outer mineral wool rope, Ceramic silicon rubber are wrapped Band is stacked so that heat is successively obstructed, and heat insulation is good.
6, the case where mica tape and glass layer can well block water, electric wire avoided to corrode in wet environment.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the longitudinal sectional view of the utility model.
In figure, 1- alloy conductors, 2- insulating layers, 3- shielded layers, 4- inner sheaths, 5- flame-retardant layers, 6- thermal insulation layers, 7- is moisture-proof Layer, 8- oversheaths, 9- water-proofing powders, 51- carbon composite layers, 52- magnesia flame-retardant layers, mineral wool rope in 53-, 61- aeroge carpet veneers, The outer mineral wool ropes of 62-, 63- Ceramic silicon rubber twining package tapes, 71- mica tapes, 72- glass layers, 81- metal barrier flaps, 811- Transverse metal barrier flaps, 812- longitudinal metal barrier flaps.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this Utility model is not used to limit the utility model.
Embodiment one
A kind of alloy-type flame-proof environmental protection electric wire, including several alloy conductors 1 are set gradually from inside to outside on alloy conductor 1 Insulating layer 2, shielded layer 3, inner sheath 4;Further include the flame-retardant layer 5 set gradually from inside to outside, thermal insulation layer 6, damp-proof layer 7, outer Sheath 8, several alloy conductors 1, several insulating layers 2, several shielded layers 3, several inner sheaths 4 are sheathed in flame-retardant layer 5, interior shield Water-proofing powder 9 is filled between set 4 and flame-retardant layer 5;Several metal barrier flaps 81 are provided in oversheath 8, in metal barrier flaps 81 Coated with fire prevention rubber powder, the material of oversheath 8 is linear PE or elasticity PE.
It is provided with metal barrier flaps 81 in the oversheath 8 of the utility model, fire prevention rubber powder is coated in metal barrier flaps 81, When then encountering fire behavior, the fire prevention rubber powder in metal barrier flaps 81, which meets fire, can expand to form fine and close cellular layer of charcoal, play anti- Fire screen heat effect.To form shielding at metal barrier flaps 81, reduce heat and transmitted on electric wire, reduce electric wire due to high temperature The case where making layers of material characteristic changing.Heat transfer is reduced on electric wire, accordingly reduces the amount of electric wire damage, reduces Maintenance Difficulty Degree.The material of oversheath 8 is linear PE or elasticity PE, to which the pernicious gas that electric wire burning generates is less, is conducive to environmental protection.
Embodiment two
On the basis of embodiment one, the metal barrier flaps 81 are divided for transverse metal barrier flaps 811 and longitudinal metal resistance Partition 812, transverse metal barrier flaps 811 perpendicular to alloy conductor 1 axis, longitudinal metal barrier flaps 812 and alloy conductor 1 Axis co-planar.
Oversheath 8 is separated into several fritters by transverse metal barrier flaps 811 and longitudinal metal barrier flaps 812, then metal hinders Partition 81 can effectively prevent burning and the sprawling of heat, reduce the electric wire amount of burning.
Embodiment three
On the basis of embodiment one or embodiment two, the fire prevention rubber powder is expansion fire-proof rubber powder, epoxy cable is anti- One kind in fiery coating, fire retardant coating of aquosity cable.
Any one of expansion fire-proof rubber powder, epoxy cable fire-refractory coating, fire retardant coating of aquosity cable can play The effect of fire expansion is met, rubber powder can rapidly be expanded in fire behavior to prevent fires, and effectively completely cut off the intensity of a fire, avoided the intensity of a fire in electric wire Vertical spread.
Example IV
On the basis of above-mentioned any one embodiment, the flame-retardant layer 5 is compound including the carbon set gradually from inside to outside Layer 51, magnesia flame-retardant layer 52, interior mineral wool rope 53.
Flame-retardant layer 5 includes carbon composite layer 51, magnesia flame-retardant layer 52, interior mineral wool rope 53, passes through different types of fire-retardant material Material forms flame-retardant layer 5, avoids single fire proofing that from cannot burning to various article and carries out fire-retardant situation, and is carried out to conductor more Layer protection ensures that burning does not extend within flame-retardant layer.
Embodiment five
On the basis of above-mentioned any one embodiment, the thermal insulation layer 6 includes interior to the aerogel blanket set gradually outside Layer 61, outer mineral wool rope 62, Ceramic silicon rubber twining package tape 63.
The thermal insulation layer 6 that aeroge carpet veneer 61, outer mineral wool rope 62, Ceramic silicon rubber twining package tape 63 are formed can improve electric wire Heat insulation, the case where avoiding electric wire internal layer from damaging in the case of a high temperature.Aeroge carpet veneer 61, outer mineral wool rope 62, ceramic SiClx Rubber twining package tape 63 is stacked so that heat is successively obstructed, and heat insulation is good.
Embodiment six
On the basis of above-mentioned any one embodiment, the damp-proof layer 7 includes the mica tape set gradually from inside to outside 71, glass layer 72.Mica tape 71 and glass layer 72 can block water well, and electric wire is avoided to corrode in wet environment Situation.

Claims (6)

1. a kind of alloy-type flame-proof environmental protection electric wire, which is characterized in that including several alloy conductors (1), by interior on alloy conductor (1) To the insulating layer (2), shielded layer (3), inner sheath (4) set gradually outside;It further include the flame-retardant layer set gradually from inside to outside (5), thermal insulation layer (6), damp-proof layer (7), oversheath (8), several alloy conductors (1), several insulating layers (2), several shielded layers (3), several inner sheaths (4) are sheathed in flame-retardant layer (5), and water-proofing powder (9) is filled between inner sheath (4) and flame-retardant layer (5); It is provided with several metal barrier flaps (81) in oversheath (8), fire prevention rubber powder, oversheath (8) are coated in metal barrier flaps (81) Material be linear PE or elasticity PE.
2. a kind of alloy-type flame-proof environmental protection electric wire according to claim 1, which is characterized in that the metal barrier flaps (81) It is divided into transverse metal barrier flaps (811) and longitudinal metal barrier flaps (812), transverse metal barrier flaps (811) are led perpendicular to alloy The axis of body (1), the axis co-planar of longitudinal metal barrier flaps (812) and alloy conductor (1).
3. a kind of alloy-type flame-proof environmental protection electric wire according to claim 1, which is characterized in that the fire prevention rubber powder is expansion One kind in type fire prevention rubber powder, epoxy cable fire-refractory coating, fire retardant coating of aquosity cable.
4. a kind of alloy-type flame-proof environmental protection electric wire according to claim 1, which is characterized in that the flame-retardant layer (5) includes Carbon composite layer (51), magnesia flame-retardant layer (52), the interior mineral wool rope (53) set gradually from inside to outside.
5. a kind of alloy-type flame-proof environmental protection electric wire according to claim 1, which is characterized in that the thermal insulation layer (6) includes It is interior to the aeroge carpet veneer (61), outer mineral wool rope (62), Ceramic silicon rubber twining package tape (63) that set gradually outside.
6. a kind of alloy-type flame-proof environmental protection electric wire according to Claims 1 to 5 any one, which is characterized in that described anti- Damp layer (7) includes the mica tape (71) set gradually from inside to outside, glass layer (72).
CN201820531711.5U 2018-04-13 2018-04-13 A kind of alloy-type flame-proof environmental protection electric wire Expired - Fee Related CN207966545U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820531711.5U CN207966545U (en) 2018-04-13 2018-04-13 A kind of alloy-type flame-proof environmental protection electric wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820531711.5U CN207966545U (en) 2018-04-13 2018-04-13 A kind of alloy-type flame-proof environmental protection electric wire

Publications (1)

Publication Number Publication Date
CN207966545U true CN207966545U (en) 2018-10-12

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113012853A (en) * 2021-03-29 2021-06-22 成都盛世京缆电缆有限公司 Flame-retardant power cable

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113012853A (en) * 2021-03-29 2021-06-22 成都盛世京缆电缆有限公司 Flame-retardant power cable
CN113012853B (en) * 2021-03-29 2023-12-01 云南多宝电缆集团股份有限公司 Flame-retardant power cable

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Granted publication date: 20181012

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