CN209625835U - A kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable - Google Patents

Abstract

A kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable, thin copper wire bundle strand of annealing is at 6 class soft copper conductors, wrapped fire-resistant isinglass belt outside soft copper conductor, halogen-free and low-smoke flame-retardant polyolefin insulating layer is extruded outside fire-resistant isinglass belt, and insulated wire cores are made, insulated wire cores and refractory mineral gasket for packing are twisted into cable core, it is vertical among cable core to put a nonmetallic aromatic polyamide fiber reinforced plastics bar, cable core outer cladding Ceramic silicon rubber fireproof oxygen-separation band, shielding layer of copper wires is woven with outside oxygen barrier band, there is high-strength non-metallic tension flame-resistant high-temperature-resistant basalt fibre textile strand braiding layer outside shielding layer of copper wires, outermost layer extrudes halogen-free and low-smoke flame-retardant polyolefin sheathed.The cable can be laid with various network data lines with line level and vertical shaft, route space can be saved, support anti-electromagnetic radiation interference requirement between various cables, and the particular/special requirement for more scenes layings such as meet indoor closed channel, ceiling, a kind of adaptation environmental friendly indoor halogen, low smoke A-class flame is provided, with certain tensile strength, and space is laid in the environmentally friendly fire resisting flexible cable of resist bending, electromagnetism interference, the use for further having expanded cable.

Description

A kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable

Technical field

The utility model relates to safe power supply flexible cables, more specifically fire-retardant for a kind of nonmetallic reinforcement tension radiation protection Fire resisting flexible cable.

Background technique

Currently, explosive growth is presented in the new technologies such as cloud computing, big data, 4G, Internet of Things, smart city, 4K video.With " width China " strategy constantly implement, the especially continuous application of 5G technology, even more further strengthened, information infrastructure building Unprecedented fast development is obtained.The wherein comprehensive cloth of various intelligent terminals, peripheral equipment, commercial office building and vertical shaft All there is fire prevention, electromagnetic interference hidden danger in the facilities such as line, communication base station, need a safety cable to be powered, especially smallpox With greater need for fire-retardant fireproof type cable under plate or floor, and softness is required to be readily bent laying.

Summary of the invention

The purpose of the utility model is to overcome deficiencies existing for existing flexible cable, make various intelligent terminal transmission systems More scenes layings such as it can reach the requirement of fire-retardant fireproof, anti-electromagnetic-radiation, and meet various sealed passages, vertical shaft, ceiling Particular/special requirement provides a kind of flexible cable of the conveying electric energy of safety, flexible, the anti-electromagnetic interference of tension.

The utility model is realized in the following way: a kind of soft electricity of nonmetallic reinforcement tension radiation protection flame-retardant Cable, including the insulation of soft copper conductor, fire-resistant isinglass belt, halogen-free and low-smoke flame-retardant polyolefin, refractory mineral gasket for packing, nonmetallic aramid fiber fibre Tie up reinforced plastics bar, Ceramic silicon rubber fireproof oxygen-separation band, brass wire shielding braiding layer, basalt fibre textile strand braiding layer, nothing Halogen low-smoke flame-proof polyolefin oversheath, it is characterised in that: annealing thin copper wire bundle strand is wrapped outside soft copper conductor at 6 class soft copper conductors Fire-resistant isinglass belt extrudes halogen-free and low-smoke flame-retardant polyolefin insulating layer outside fire-resistant isinglass belt and is made insulated wire cores, insulated wire cores with it is resistance to The mineral-filled rope of fire is twisted into cable core, indulges among cable core and puts a nonmetallic aromatic polyamide fiber reinforced plastics bar, cable core outer cladding pottery Porcelain SiClx rubber fireproof oxygen-separation band, oxygen barrier band are woven with shielding layer of copper wires outside, there is high-strength non-metallic tension outside shielding layer of copper wires Flame-resistant high-temperature-resistant basalt fibre textile strand braiding layer, outermost layer extrudes halogen-free and low-smoke flame-retardant polyolefin sheathed.The conductor of cable core Using 6 class soft copper silk of oxygen-free copper, insulating layer, external sheath layer are halogen-free and low-smoke flame-retardant polyolefin material, and cable is allowed to reach the resistance of A class Combustion requires.It is vertical among the cable core that insulated wire cores and refractory mineral gasket for packing are twisted into put the nonmetallic virtue with tensile property Synthetic fibre fiber reinforced plastics pole, cable core outer cladding Ceramic silicon rubber fireproof oxygen-separation band, proof copper-wire braided shielded layer are woven outside with resistance to It is bent the nonmetallic flame-resistant high-temperature-resistant basalt fibre textile strand of simultaneously tension.

It, can be with the beneficial effects of the utility model are: a kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable It is laid with various network data lines with line level and vertical shaft, route space can be saved, support anti-electromagnetism spoke between various cables The particular/special requirement for more scenes layings such as penetrating interference requirement, and meet indoor closed channel, ceiling provides a kind of adaptations interior ring Halogen, low smoke A-class flame is protected, there is certain tensile strength, and the environmentally friendly fire resisting of resist bending, electromagnetism interference is soft Cable has further expanded the use laying space of cable.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawing.

Fig. 1 is the cross-sectional view of the utility model.

In figure, 1. soft copper conductors, 2. fire-resistant isinglass belts, the insulation of 3. halogen-free and low-smoke flame-retardant polyolefins, the filling of 4. refractory minerals Rope, 5. Ceramic silicon rubber fireproof oxygen-separation bands, 6. brass wire shielding braiding layers, 7. basalt fibre textile strand braiding layers, 8. nothings Halogen low-smoke flame-proof polyolefin oversheath, 9. nonmetallic aromatic polyamide fiber reinforced plastics bars.

Specific embodiment

Product type specification as shown in Figure 1 is WDZAN-RFYYP-450/750V(2~5) × (0.75~50) mm2, packet Include soft copper conductor 1, fire-resistant isinglass belt 2, halogen-free and low-smoke flame-retardant polyolefin insulation 3, refractory mineral gasket for packing 4, nonmetallic aramid fiber fibre Tie up reinforced plastics bar 9, Ceramic silicon rubber fireproof oxygen-separation band 5, brass wire shielding braiding layer 6, basalt fibre textile strand braiding layer 7, halogen-free and low-smoke flame-retardant polyolefin oversheath 8.

When manufacture, copper bar passes through the multiple drawing of wire drawing machine, and it is the thin copper wire of 0.15~0.30mm and same for pulling into nominal diameter When annealing, then through bundle strand 0.75~50mm2 soft copper conductor 1 is made in more annealing thin copper wires, the wrapped fireproof mica on conductor Band 2 squeezes one layer of halogen-free and low-smoke flame-retardant polyolefin insulating layer 3 with plastic extruder on fireproof mica belting layer, is thus made Insulated wire cores；2~5 insulated wire cores, which carry out being twisted on cable-former, forms cable core, while the gap between insulated wire cores is filled out Refractory mineral gasket for packing 4 is filled, is indulged again among cable core and puts a nonmetallic aromatic polyamide fiber reinforced plastics bar 9；Wrapped ceramics outside cable core SiClx rubber fireproof oxygen-separation band 5, Ceramic silicon rubber fireproof oxygen-separation band 5 weave anti-electromagnetic interference brass wire shielding braiding layer 6, copper outside Basalt fibre textile strand braiding layer 7 is woven again outside silk screening braid 6, finally squeezes one layer of low smoke, zero halogen resistance with plastic extruder Polyolefin oversheath 8 is fired, and in jacket surface spray printing identification marking, cables manufacturing is just completed.

Claims (3)

1. a kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable, including soft copper conductor, fire-resistant isinglass belt, Halogen are low Smoke flame-proof polyolefin insulation, refractory mineral gasket for packing, nonmetallic aromatic polyamide fiber reinforced plastics bar, Ceramic silicon rubber fireproof oxygen-separation Band, brass wire shielding braiding layer, basalt fibre textile strand braiding layer, halogen-free and low-smoke flame-retardant polyolefin oversheath, it is characterised in that: Thin copper wire bundle strand of annealing is at 6 class soft copper conductors, wrapped fire-resistant isinglass belt outside soft copper conductor, extrudes low smoke, zero halogen outside fire-resistant isinglass belt Insulated wire cores are made in fire retardant polyolefin insulating layer, and insulated wire cores and refractory mineral gasket for packing are twisted into cable core, indulge and put among cable core A piece nonmetallic aromatic polyamide fiber reinforced plastics bar, cable core outer cladding Ceramic silicon rubber fireproof oxygen-separation band, oxygen barrier band are woven with outside Shielding layer of copper wires, shielding layer of copper wires have high-strength non-metallic tension flame-resistant high-temperature-resistant basalt fibre textile strand braiding layer outside, most Outer layer extrudes halogen-free and low-smoke flame-retardant polyolefin sheathed.

2. a kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable as described in claim 1, it is characterised in that: cable The conductor of core uses 6 class soft copper silk of oxygen-free copper, and insulating layer, external sheath layer are halogen-free and low-smoke flame-retardant polyolefin material, allows cable Reach A class flame-retardancy requirements.

3. a kind of nonmetallic reinforcement tension radiation protection flame-retardant flexible cable as described in claim 1, it is characterised in that: absolutely It is vertical among the cable core that edge core and refractory mineral gasket for packing are twisted into put the nonmetallic aramid fiber increasing with tensile property Strong plastic bar, cable core outer cladding Ceramic silicon rubber fireproof oxygen-separation band, proof copper-wire braided shielded layer weaves outside to be had resist bending and resists The nonmetallic flame-resistant high-temperature-resistant basalt fibre textile strand drawn.