CN206040261U - Environmental protection smart power grids is with luminous this ampere of coaxial composite low tension cable - Google Patents

Abstract

The utility model discloses an environmental protection smart power grids is with luminous this ampere of coaxial composite low tension cable and preparation method, including a cable core, the cable core form around stranding circular insulation core outside and with the concentric fan -shaped insulation core who sets up of circular insulation core by single root circle of being located cable core bosom shape insulation core and many rhizospheres, around package pottery vitrification flame retardant coating outside the cable core, pottery vitrification flame retardant coating is 0.5mm's metal armor layer outward around package thickness, and the alloy silk is led for 0.65mm's height to metal armor in situ embedding external diameter, and outer crowded package thickness does not have the steamed low fire -retardant alkene outer jacket of cigarette for 2.0mm's high strength, is equipped with the red warning cingula of fluorescence response in high strength does not have the steamed low fire -retardant alkene outer jacket of cigarette, the utility model has the advantages of reasonable design, having eliminated the productivity that falls behind, having realized commercialization of technological achievement, performance price ratio of product improves greatly, and resources are saved benefits the people.

Description

The environment-protecting intelligent electrical network coaxial composite low-voltage cable of luminous intrinsic safety

Technical field

The utility model is related to electric wire field, and in particular to a kind of environment-friendly type intelligent electrical network is luminous originally with 0.6/1KV Peace composite construction lv power cable, it is specifically a kind of for grid automation control, the collection of power transmission information remote, cable Operation essential safety and electrical network and the environment-friendly type intelligent electrical network of the two-way interaction of power consumer rated voltage 35kV and following Luminous intrinsic safety composite construction power cable, which meets power supply system and develops to intelligence, high speed, reliable, safe direction Demand.

Background technology

The cable of traditional handicraft manufacture, production technology cost are high, and cost performance is low, and technology falls behind, and Practical Performance is poor；Enter Mouth similar products are not matched with domestic electrical system, and cost will be greatly improved, and occur event during construction and use repeatedly Barrier, intelligence degree is low, have halogen not environmentally, without essential safety function, cause to produce, live and be obstructed, very without factors such as warnings Occur to disaster is caused.

There is problems with traditional electric power cable production technology process used for intelligent electric network：1）Material poor performance itself causes Insulating properties, machinery, electric property are poor, and contain halogen； 2）Unreasonable structure, without high water conservancy diversion B alloy wire, electric capacity and impedance It is larger, shielding properties and interference free performance it is poor, without explosion prevention function；3）Without the red warning colour band of fluorescence sensing, cable construction event Barrier rate is high, and essential safety is not ensured；4）While the fire-retardant and fire resistance of cable reaches A levels, manufacturing cost is high, sexual valence Than low； 5）Waste national resources and social labor power.

Utility model content

In order to overcome the deficiencies in the prior art, there is provided a kind of to have anti-aging, resistance to brittleness good, weatherability is old Change and the coaxial composite low-pressure electricity of the luminous intrinsic safety of the fabulous environment-friendly type intelligent electrical network of shielding properties, interference free performance and explosion-proof performance Cable.

For achieving the above object, the utility model discloses a kind of environment-protecting intelligent electrical network coaxial composite low-pressure of luminous intrinsic safety Cable, including cable core, described cable core is wound on circular exhausted by the single round insulation core and many rhizospheres positioned at cable core bosom Edge core is outer and stranded with the fan-shaped insulated wire cores that round insulation core is arranged concentrically forms；In the outer wrapped ceramic fire prevention of cable core Layer, metal armor layers of the outer wrapped thickness of ceramic fireprotection layer for 0.5mm, metal armor layers are embedded in the height that external diameter is 0.65mm B alloy wire is led, the high-strength halogen-free low-smoke and flame retardant alkene outer jacket that thickness is 2.0mm is extruded outward, in high-strength halogen-free low-smoke and flame retardant The red warning colour band of fluorescence sensing is provided with alkene outer jacket；Described round insulation core is by round conductor and is extruded in circle The outer thickness of conductor is constituted for the circular insulating layer of 1.5mm；Described fan-shaped insulated wire cores are by sector conductor and be extruded in sector and lead External thickness is constituted for the fan-shaped insulating barrier of 1.2mm.

Preferably, described round conductor is led soft copper silk by the height of 36 Φ 2.52mm and carries out circular nano die and presses strand Close, stranded external diameter is 16.2mm, and cross section is 180mm²。

Preferably, described ceramic fireprotection layer internal layer is height of the low described sector conductor of Halogen by 48 Φ 2.52mm Lead soft copper silk carry out fan-shaped nano die press it is stranded, stranded external diameter be 17.4mm, cross section is 200mm²。

Preferably, described ceramic fireprotection layer internal layer is halogen-free low-smoke high-flame band, and outer layer is the pottery of thickness 1.4mm Porcelain chemoprevention fire separation sleeve.

Compared with prior art, the beneficial effects of the utility model are：

The utility model is combined using energy-efficient height conductor, and round conductor and sector conductor, resistivity ratio National regulation is low by least 20%；Metal armor layers are embedded in high water conservancy diversion B alloy wire, and capacity ratio conventional power cable is little by more than 25, Impedance ratio conventional power cable is little by more than 20；Inner sheath ceramic fireprotection layer, the fire-retardant and fire resistance of cable reach A levels Meanwhile, manufacturing cost reduces at least 15, between 350 DEG C to 700 DEG C during high temperature, can quickly form hard ceramic Protective layer, the hard ceramic protective layer can be kept in 0.5 to 2 hours in 650 DEG C of flame to 1000 DEG C of high temperature The integrality of structure, so as to play isolation flame, fireproof effect, ensure that in case of fire electric power, communication it is unimpeded, be The quality time is won in security against fire；One-time formed blue high-strength halogen-free low-smoke flame-proof polyolefin oversheath and fluorescence sensing are red During color warning colour band gets integrated into environment, safe warning function is not only acted as, has also beautified urban environmental landscape, and cable construction failure Rate at least reduces by 30, and safety coefficient at least improves 25, really ensure that essential safety；The utility model is using circular core The structure being coaxially disposed with segment conductor-core so that the rounding property of cable has reached 100%, it is not necessary to fill, also big in terms of materials Big to reduce, cost-effective, properties also will also improve many than three cores, four cores；Reasonable in design, has eliminated what is fallen behind Production capacity, realizes the transformation of scientific and technical result, and product cost is greatly improved, and is economized on resources, and is brought benefit to the people.

Description of the drawings

Fig. 1 is structural representation of the present utility model.

Specific embodiment

Below in conjunction with the accompanying drawings and specific embodiment, further elucidate the utility model, it should be understood that these embodiments are only used for Illustrate the utility model rather than limit scope of the present utility model, after the utility model has been read, art technology Modification of the personnel to the various equivalent form of values of the present utility model falls within the application claims limited range.

As shown in figure 1, the utility model discloses a kind of environment-protecting intelligent electrical network is with the luminous coaxial composite low-voltage cable of intrinsic safety, Including cable core, described cable core is wound on round insulation core by the single round insulation core and many rhizospheres positioned at cable core bosom It is outer and stranded with the fan-shaped insulated wire cores that round insulation core is arranged concentrically form；In the outer wrapped ceramic fireprotection layer 5 of cable core, pottery Metal armor layers 6 of the 5 outer wrapped thickness of porcelain chemoprevention fire bed for 0.5mm, metal armor layers are embedded in the height that external diameter is 0.65mm and lead B alloy wire 7, extrudes outward the high-strength halogen-free low-smoke and flame retardant alkene outer jacket 8 that thickness is 2.0mm, in high-strength halogen-free low-smoke and flame retardant The red warning colour band 9 of fluorescence sensing is provided with alkene outer jacket, in getting integrated into environment, is not only acted as safe warning function, is also beautified Urban environmental landscape, and cable construction fault rate at least reduces by 30, safety coefficient at least improves 25, really ensure that this Matter safety；Described round insulation core is by round conductor 1 and is extruded in circular insulating layer of the outer thickness of round conductor for 1.5mm 2 are constituted；Described fan-shaped insulated wire cores are by sector conductor 3 and are extruded in fan-shaped insulating barrier 4 of the outer thickness of sector conductor for 1.2mm Constitute.

Described round conductor by the height of 36 Φ 2.52mm lead soft copper silk carry out circular nano die press it is stranded, it is stranded External diameter is 16.2mm, and cross section is 180mm²；Described ceramic fireprotection layer internal layer is the low described sector conductor of Halogen by 48 The height of root Φ 2.52mm lead soft copper silk carry out fan-shaped nano die press it is stranded, stranded external diameter be 17.4mm, cross section is 200mm²；Described ceramic fireprotection layer internal layer is halogen-free low-smoke high-flame band, and outer layer is that the ceramic of thickness 1.4mm is prevented fires Separation sleeve, between 350 DEG C to 700 DEG C during high temperature, can quickly form hard ceramic protective layer, and the hard ceramic is protected Sheath is capable of the integrality of holding structure in 650 DEG C of flame to 1000 DEG C of high temperature in 0.5 to 2 hours, so as to play every Absolutely flame, fireproof effect, ensure that in case of fire electric power, communication it is unimpeded, be that the quality time is won in security against fire.

The above is only preferred embodiment of the present utility model, it is noted that for the ordinary skill people of this area For member, on the premise of without departing from the utility model principle, some modifications and improvement can also be made, these also should be regarded as category In protection domain of the present utility model.

Claims (4)

1. a kind of environment-protecting intelligent electrical network coaxial composite low-voltage cable of luminous intrinsic safety, including cable core, it is characterised in that described cable Core by the single round insulation core and many rhizospheres positioned at cable core bosom be wound on round insulation core it is outer and with round insulation line Fan-shaped insulated wire cores that core is arranged concentrically are stranded to be formed；In the outer wrapped ceramic fireprotection layer of cable core, ceramic fireprotection layer is outer wrapped Metal armor layers of the thickness for 0.5mm, metal armor layers are embedded in the height that external diameter is 0.65mm and lead B alloy wire, and extruding outward thickness is The high-strength halogen-free low-smoke and flame retardant alkene outer jacket of 2.0mm, is provided with fluorescence in high-strength halogen-free low-smoke and flame retardant alkene outer jacket The red warning colour band of sensing；Described round insulation core is by round conductor and is extruded in the outer thickness of round conductor for 1.5mm's Circular insulating layer is constituted；Described fan-shaped insulated wire cores are by sector conductor and are extruded in fan of the outer thickness of sector conductor for 1.2mm Shape insulating barrier is constituted.

2. the environment-protecting intelligent electrical network according to claim 1 coaxial composite low-voltage cable of luminous intrinsic safety, it is characterised in that：Institute The round conductor stated is led soft copper silk by the height of 36 Φ 2.52mm and carries out circular nano die and presses stranded, and stranded external diameter is 16.2mm, cross section are 180mm²。

3. the environment-protecting intelligent electrical network according to claim 1 coaxial composite low-voltage cable of luminous intrinsic safety, it is characterised in that：Institute The sector conductor stated is led soft copper silk by the height of 48 Φ 2.52mm and carries out fan-shaped nano die and presses stranded, and stranded external diameter is 17.4mm, cross section are 200mm²。

4. the environment-protecting intelligent electrical network according to claim 1 coaxial composite low-voltage cable of luminous intrinsic safety, it is characterised in that：Institute The ceramic fireprotection layer internal layer stated is halogen-free low-smoke high-flame band, and outer layer is the ceramic fire prevention separation sleeve of thickness 1.4mm.