CN208753044U - Fireproof type signal electric power composite cable - Google Patents

Abstract

The utility model discloses a kind of fireproof type signal electric power composite cables, the crosslinked polyetylene insulated core twists together, the alkali-free glass wool band surrounds outside crosslinked polyetylene insulated core, the alkali-free glass fiber yarn is filled in the gap of alkali-free glass wool band and crosslinked polyetylene insulated core, the ceramic polyolefin thermal insulation layer is wrapped in outside alkali-free glass wool band, the embossing copper alloy sheath is wrapped in outside ceramic polyolefin thermal insulation layer, crosslinked polyetylene insulated core is made of cable core conductor and crosslinked polyetylene insulated layer, the crosslinked polyetylene insulated layer is wrapped in outside cable core conductor, the utility model advantage is: carrying out disposable laying installation, avoid secondary wiring, reduce engineering cost, save laying installation, maintenance cost, also there is longer service life simultaneously, very well satisfy signal The occasion that transmission and power transmission are needed while being carried out.

Description

Fireproof type signal electric power composite cable

Technical field

The utility model relates to the technical fields of wire and cable, more particularly to signal, data transmission and electric power The technical field of transmission cable.

Background technique

As China express railway is greatly developed, signal transmission need to carry out simultaneously with power transmission, and signal transmission at present Two not homologous rays need to be divided into power transmission, the signal-transmitting cable and power transmission cable of two systems need independently Laying installation, therefore laying installation cost and maintenance cost are higher, while increasing difficulty of construction and construction volume, construction efficiency It is low；In addition, conventional signal cable and power cable fireproof grade common at present is insufficient, once fire, Wu Fabao occurs Card escape, first aid and the primary demand combated a natural disaster, and cable burn in a fire after smoke amount it is big, the toxicity height of flue gas.

Utility model content

The purpose of this utility model be exactly provided to solve above-mentioned deficiency one kind can reduce mounting and installation cost with Maintenance cost reduces cable laying construction volume and difficulty of construction, and fireproof grade is high, and smoke amount is small, and flue gas toxity is low to be prevented Fiery fire safe type signal electric power composite cable.

In order to solve the above-mentioned technical problem technical solution that the utility model uses is as follows:

Fireproof type signal electric power composite cable, it is by signal cable unit, power cable unit, Ceramic silicon rubber Gasket for packing, ceramic polyolefin outer jacket, steel-tape armouring layer and low smoke, zero halogen external sheath layer are constituted, the signal cable unit by Crosslinked polyetylene insulated core, alkali-free glass fiber yarn, alkali-free glass wool band, ceramic polyolefin thermal insulation layer and embossing copper alloy shield Layer is constituted, and the crosslinked polyetylene insulated core twists together, and it is exhausted that the alkali-free glass wool band surrounds crosslinked polyethylene Outside edge core, the alkali-free glass fiber yarn is filled in the gap of alkali-free glass wool band and crosslinked polyetylene insulated core, described Ceramic polyolefin thermal insulation layer is wrapped in outside alkali-free glass wool band, and the embossing copper alloy sheath is wrapped in ceramic polyolefin Outside thermal insulation layer, crosslinked polyetylene insulated core is made of cable core conductor and crosslinked polyetylene insulated layer, and the crosslinked polyethylene is exhausted Edge layer is wrapped in outside cable core conductor, and the power cable unit is made of cable core conductor and crosslinked polyethylene heat-insulating layer, institute It states crosslinked polyethylene heat-insulating layer to be wrapped in outside cable core conductor, the ceramic polyolefin outer jacket is wrapped in signal cable list Outside member and power cable unit, the Ceramic silicon rubber gasket for packing is filled in ceramic polyolefin outer jacket, signal cable list In gap between member and power cable unit, the steel-tape armouring layer is wrapped in outside ceramic polyolefin outer jacket, the nothing The low cigarette external sheath layer of halogen is wrapped in outside steel-tape armouring layer.

The power cable unit is located at the surrounding of signal cable unit.

The cable core conductor and cable core conductor are copper material.

The utility model is using the above-mentioned attainable beneficial effect of technical solution:

1, signal cable unit and power cable unit are combined into one by this composite cable, by the cable of signal transmission system It merges with the cable of electrical power transmission system in a system, so that the cable of signal system and the cable of electric system can be one It is worked normally in route, so as to which the cable of signal system and electric system is carried out disposable laying installation, avoids two Secondary wiring, reduces engineering cost, saves laying installation, maintenance cost, while also having longer service life, well It meets signal transmission and power transmission needs while the occasion of progress, be widely used in subway, tunnel, coal mine and field laying Ac rated voltage 0.6-1kV power distribution route below.

2, this composite cable is reasonable in design, passes through crosslinked polyetylene insulated layer and crosslinked polyethylene heat-insulating layer point It is other that thermal insulation protection is carried out to cable core conductor and cable core conductor, fire resisting is solved using alkali-free glass fiber yarn and Ceramic silicon rubber gasket for packing The problems such as with heat dissipation, plays fire prevention, fire resisting and flame retardant effect well using ceramic polyolefin outer jacket, so that this is multiple Closing cable has excellent fire prevention, fire resisting, fire-retardant, low cigarette, nontoxic performance and preferable plasticity, while the phase occurs in fire Between, the features such as smoke amount is small when this composite cable is also equipped with burning, and flue gas toxity is low.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model signal cable unit in Fig. 1.

Specific embodiment

As shown in Figure 1, fireproof type signal electric power composite cable, it by signal cable unit 1, power cable unit 2, Ceramic silicon rubber gasket for packing 3, ceramic polyolefin outer jacket 4, steel-tape armouring layer 5 and low smoke, zero halogen external sheath layer 6 are constituted, by Shown in Fig. 2, the signal cable unit 1 is by crosslinked polyetylene insulated core 7, alkali-free glass fiber yarn 8, alkali-free glass wool band 9, pottery Porcelain polyolefin thermal insulation layer 10 and embossing copper alloy sheath 11 are constituted, and the crosslinked polyetylene insulated core 7 twists together, institute It states alkali-free glass wool band 9 to surround outside crosslinked polyetylene insulated core 7, the alkali-free glass fiber yarn 8 is filled in alkali-free glass wool In the gap of band 9 and crosslinked polyetylene insulated core 7,8 property of alkali-free glass fiber yarn is stablized, and nontoxic, heat resisting temperature is reachable 650-1000 DEG C or more, harmful flue gas will not be generated after heated, while there is good heat dissipation effect again.Alkali-free glass wool packet Play fixed crosslinked polyetylene insulated core 7 and alkali-free glass fiber yarn 8 with 9, there is extraordinary fire prevention, fire resisting, fire-retardant, low Cigarette, nontoxic performance.The ceramic polyolefin thermal insulation layer 10 is wrapped in outside alkali-free glass wool band 9, ceramic polyolefin every Thermosphere 10 does not melt in the environment of fire (600-1300 DEG C), does not soften, and is resistant to be beaten by certain impact, can prevent heat It importing in crosslinked polyetylene insulated core 7, it is ensured that the temperature highest in crosslinked polyetylene insulated core 7 is not more than 180 DEG C, thus Ensure the unimpeded of cable route in case of fire.The embossing copper alloy sheath 11 is wrapped in ceramic polyolefin thermal insulation layer 10 Outside, there are good anti-corrosion and waterproof, anti-oxidation, cathodic protection and anti-external electromagnetic waves using embossing copper alloy sheath 11 To the effect that signal cable unit 1 interferes, while there is fire prevention, fire resisting, fire-retardant, smokeless, nontoxic performance.It is crosslinked poly- second Alkene insulated wire cores 7 are made of cable core conductor 12 and crosslinked polyetylene insulated layer 13, and the crosslinked polyetylene insulated layer 13 is wrapped in Outside cable core conductor 12.The power cable unit 2 is made of cable core conductor 14 and crosslinked polyethylene heat-insulating layer 15, the friendship Connection polyethylene heat-insulating layer 15 is wrapped in outside cable core conductor 14, and the cable core conductor 12 and cable core conductor 14 are copper material. The ceramic polyolefin outer jacket 4 is wrapped in outside signal cable unit 1 and power cable unit 2, the power cable unit 2 Positioned at the surrounding of signal cable unit 1, the Ceramic silicon rubber gasket for packing 3 is filled in ceramic polyolefin outer jacket 4, signal In gap between cable unit 1 and power cable unit 2, ceramic polyolefin outer jacket 4 have it is extraordinary fire prevention, it is resistance to Fiery, fire-retardant, low cigarette, nontoxic performance, its outer layer is sintered to form hard ceramic supporting body after combustion, which exists It does not melt, drip under 600-1300 DEG C of temperature environment, be resistant to be beaten by certain impact, to ensure cable in fire feelings Route is unimpeded under condition, and ceramic polyolefin outer jacket 4 has that good bending property, insulation resistance are high, processing technology is simple, The advantages that installation facilitates.Ceramic silicon rubber gasket for packing 3 have halogen-free environmental, it is nontoxic, harmless, pollution-free, without dust, nothing Flue gas is free of the characteristics of heavy metal and other harmful substances, rapid shape after burning at 650-3000 DEG C of temperature or flame condition At hard ceramic body case, there is fire resisting fire performance, do not fallen off after sintering, less than 27%, ceramic body is not shunk, no weightlessness Melting is not dripped, and not will cause spot fire, the spy that material itself is soft under normality, elasticity is good, intensity is high, mechanical performance is high Point.The steel-tape armouring layer 5 is wrapped in outside ceramic polyolefin outer jacket 4, and the low smoke, zero halogen external sheath layer 6 is wrapped in steel band Outside armor 5.

Claims (3)

1. fireproof type signal electric power composite cable, it is characterised in that: it is by signal cable unit, power cable unit, pottery Porcelain SiClx rubber filling rope, ceramic polyolefin outer jacket, steel-tape armouring layer and low smoke, zero halogen external sheath layer are constituted, the signal Cable unit is by crosslinked polyetylene insulated core, alkali-free glass fiber yarn, alkali-free glass wool band, ceramic polyolefin thermal insulation layer and rolls Line copper alloy sheath is constituted, and the crosslinked polyetylene insulated core twists together, and the alkali-free glass wool band surrounds friendship Join outside polyethylene insulation core, the alkali-free glass fiber yarn is filled between alkali-free glass wool band and crosslinked polyetylene insulated core In gap, the ceramic polyolefin thermal insulation layer is wrapped in outside alkali-free glass wool band, and the embossing copper alloy sheath is wrapped in pottery Outside porcelain polyolefin thermal insulation layer, crosslinked polyetylene insulated core is made of cable core conductor and crosslinked polyetylene insulated layer, the friendship Connection polyethylene layer is wrapped in outside cable core conductor, and the power cable unit is by cable core conductor and crosslinked polyethylene partiting thermal insulation Layer is constituted, and the crosslinked polyethylene heat-insulating layer is wrapped in outside cable core conductor, and the ceramic polyolefin outer jacket is wrapped in Outside signal cable unit and power cable unit, the Ceramic silicon rubber gasket for packing be filled in ceramic polyolefin outer jacket, In gap between signal cable unit and power cable unit, the steel-tape armouring layer is wrapped in ceramic polyolefin outer jacket Outside, the low smoke, zero halogen external sheath layer is wrapped in outside steel-tape armouring layer.

2. fireproof type signal electric power composite cable according to claim 1, it is characterised in that: the power cable list Member is located at the surrounding of signal cable unit.

3. fireproof type signal electric power composite cable according to claim 1 or 2, it is characterised in that: the core is led Body and cable core conductor are copper material.