CN212113279U - High-temperature-resistant cable - Google Patents

Abstract

The utility model relates to a high temperature resistant cable, the cable includes 2 groups of signal transmission sinle silk, 3 electric power sinle silks that charge, 2 signal control sinle silks, shielding baffle, band, the first insulation layer, shielding layer, insulating layer, elastic layer, flame retardant coating, a waterproof layer, the sheath, the signal transmission sinle silk sets up shielding baffle between electric power sinle silk and the signal control sinle silk that charge, the crowded package in band constitutes insulating cable core around the sinle silk, the band sets gradually the first insulation layer outside from interior to exterior, shielding layer, insulating layer, elastic layer, flame retardant coating, a waterproof layer, sheath, signal transmission sinle silk and signal control sinle silk are located the electric power sinle silk both sides that charge respectively, the utility model discloses have easily drag and move, high softness, flexible, possess comprehensive properties such as power transmission and signal control, be applicable to the new energy automobile and fill electric pile.

Description

High-temperature-resistant cable

Technical Field

The utility model relates to a power cable field especially relates to a high temperature resistant cable.

Background

The cable is mainly applied to power systems, information transmission and instrument systems. The existing commonly used cable is made of the materials used in the past, so that the problems of insufficient safety, reliability and cold and hot resistance in the using process exist, and the use safety and the service life of the cable are greatly reduced. The power connection in some existing high temperature, humid places requires the use of high temperature, humid cables to ensure safety and the service life of the cables.

Disclosure of Invention

An object of the utility model is to provide a high temperature resistant cable solves the cable life under high temperature environment, improves cable security performance.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme, a high temperature resistant cable, including 2 signal transmission sinle silks, 3 electric power sinle silks that charge, 2 signal control sinle silks, shielding baffle, band, first insulation layer, outer shielding layer, insulating layer, elastic layer, flame retardant coating, waterproof layer, sheath, set up the shielding baffle between signal transmission sinle silk, the electric power sinle silk that charges and the signal control sinle silk, the crowded package of band wire winding core constitutes insulation cable core, the band is outer by interior and set gradually first insulation layer, outer shielding layer, insulating layer, elastic layer, flame retardant coating, waterproof layer, sheath outward, signal transmission sinle silk and signal control sinle silk are located the electric power sinle silk both sides that charge respectively.

The signal transmission line core comprises a conductor, a shielding layer, an insulating layer and an inner wrapping tape, the conductor is sequentially wrapped with the shielding layer and a second insulating layer, the signal transmission line cores are wrapped with the inner wrapping tape in an extruding manner to form a group of signal transmission line cores, and the cross-sectional area of the central line is 0.75mm²Therefore, the anti-interference performance of the wire core is improved, and meanwhile, the wrapping belt plays a role in fixing the wire core, so that the subsequent processing procedure is facilitated.

In order to weaken the influence of Joule effect generated heat on the temperature of the cable when the charging power wire core works and protect the cable, the cable is prevented from being punctured by leakage discharge of the cableAnd improve the safe in utilization and the life-span of cable, the power core that charges includes conductor, shielding layer, thermal-insulated insulating layer, thickening insulating layer, the conductor outward in proper order the cladding have shielding layer, thermal-insulated insulating layer, thickening insulating layer, central line cross sectional area is 6mm²。

The signal control wire core comprises a conductor, a shielding layer and a second insulating layer, the conductor is sequentially coated with the shielding layer and the second insulating layer, and the section area of the central line is 2.5mm²。

In order to improve the tensile capacity and flexibility of the conductor and slow down the oxidation of the conductor material, the conductor is formed by combining a plurality of metal-plated annealed soft copper wire strands.

In order to improve the mechanical property of the cable, the elastic layer is an I-shaped elastic adhesive tape, and wing plates at two ends of the I-shaped elastic adhesive tape are fixedly connected with the heat insulation layer and the fireproof layer respectively.

The beneficial effects of the utility model reside in that:

compared with the prior art, the utility model adopts the shielding baffle to separate each wire core, thereby effectively eliminating and inhibiting the mutual interference of various wire cores during working; the charging power wire core adopts the heat insulation layer and the thickened insulation layer, so that the influence of heat generated by Joule effect on the temperature of the cable when the charging power wire core works is weakened, the cable is protected, the cable is prevented from being punctured by leakage discharge of the cable, and the use safety and the service life of the cable are improved; meanwhile, the cable adopts the elastic rubber strips with the I-shaped structures, and the elastic rubber strips are uniformly distributed along the circumferential direction of the heat insulation layer, so that the mechanical property of the cable is effectively improved; the anti-interference, high temperature resistant and waterproof performances of the cable are improved by applying the multiple layers of shielding layers, the heat insulation layer and the waterproof layer.

Drawings

Fig. 1 is a schematic structural diagram of a high temperature resistant cable of the present invention.

In the figure: 1. a signal transmission wire core; 2. charging the power line core; 3. a signal control wire core; 4. A shielding separator; 5. wrapping belts; 6. a first insulating layer; 7. an outer shield layer; 8. a thermal insulation layer; 9. an elastic layer; 10. a fire barrier layer; 11. a waterproof layer; 12. a sheath; 13. a conductor; 14. A shielding layer; 15. a second insulating layer; 16. an inner wrapping belt; 17. thermal insulation layer 18, thickening insulation layer.

Detailed Description

As shown in fig. 1, a high temperature resistant cable, the cable includes 2 signal transmission sinle silks 1, 3 electric power sinle silks that charge 2, 2 signal control sinle silks 3, shielding baffle 4, band 5, first insulation layer 6, outer shielding layer 7, insulating layer 8, elastic layer 9, flame retardant coating 10, waterproof layer 11, sheath 12, signal transmission sinle silk 1, set up shielding baffle 4 between electric power sinle silk 2 and the signal control sinle silk 3 charge, 5 crowded package winding cores in band constitute the insulation cable core, band 5 is outer by interior and set gradually first insulation layer 6 outward, outer shielding layer 7, insulating layer 8, elastic layer 9, flame retardant coating 10, waterproof layer 11, sheath 12, signal transmission sinle silk 1 and signal control sinle silk 3 are located electric power sinle silk 2 both sides that charge respectively.

The signal transmission line core comprises a conductor 13, a shielding layer 14, a second insulating layer 15 and an inner wrapping tape 16, wherein the conductor 13 is sequentially wrapped with the shielding layer 14 and the second insulating layer 15, the signal transmission line cores are wrapped with the inner wrapping tape 16 in an extruding manner to form a group of signal transmission line cores 1, and the section area of a central line is 0.75mm²Therefore, the anti-interference performance of the wire core is improved, the wrapping belt plays a role in fixing the wire core, the subsequent processing procedure is convenient, the shielding layer 14 can be formed by weaving tinned soft copper wires into a metal net with the density of 80%, and the wrapping belt can be formed by selectively using galvanized steel belts

In order to weaken the joule effect of the electric power sinle silk during operation of charging and produce heat to cable temperature's influence and protection cable, prevent that cable leakage from discharging and puncturing the cable and improve the safe in utilization and the life-span of cable, electric power sinle silk 2 that charges includes conductor 13, shielding layer 14, thermal-insulated insulating layer 17, thickening insulating layer 18, conductor 13 outward in proper order the cladding have shielding layer 14, thermal-insulated insulating layer 17, thickening insulating layer 18, central line cross sectional area is 6mm²。

The signal control wire core 3 comprises a conductor 13, a shielding layer 14 and a second insulating layer 15, the conductor 13 is sequentially coated with the shielding layer 14 and the second insulating layer 15, and the section area of a central line is 2.5mm²。

In order to improve the tensile strength and flexibility of the cable and to slow down the oxidation of the material of the conductor 13, the conductor 13 is formed by combining a plurality of metallized annealed soft copper strands.

In order to improve the mechanical property of the cable, the elastic layer 9 is an i-shaped elastic rubber strip, wing plates at two ends of the i-shaped elastic rubber strip are fixedly connected with the heat insulation layer 8 and the fire-proof layer 10 respectively, the elastic layer can be made of rubber or a silicon rubber strip, the rubber not only has good elasticity, but also is made of an insulating material, and the silicon rubber strip has certain elasticity and shielding property.

Claims (6)

1. A high temperature resistant cable characterized in that: the cable comprises 2 groups of signal transmission wire cores (1), 3 charging power wire cores (2), 2 signal control wire cores (3), a shielding clapboard (4), a wrapping tape (5), a first insulating layer (6), an outer shielding layer (7), a heat-insulating layer (8), an elastic layer (9), a fireproof layer (10), a waterproof layer (11) and a sheath (12), a shielding clapboard (4) is arranged among the signal transmission wire core (1), the charging power wire core (2) and the signal control wire core (3), the wrapping belt (5) is extruded with the winding core to form an insulation cable core, the wrapping belt (5) is externally provided with a first insulation layer (6), an outer shielding layer (7), a heat insulation layer (8), an elastic layer (9), a fireproof layer (10), a waterproof layer (11) and a sheath (12) in sequence from inside to outside, the signal transmission line core (1) and the signal control line core (3) are respectively positioned on two sides of the charging power line core (2).

2. A high temperature resistant cable according to claim 1, wherein: the signal transmission sinle silk (1) includes conductor (13), shielding layer (14), second insulating layer (15), interior strap (16), conductor (13) outer cladding in proper order has shielding layer (14) and second insulating layer (15), two signal transmission sinle silk outer crowded package interior strap (16) constitutes a set of signal transmission sinle silk, and central line cross sectional area is 0.75mm²。

3. A high temperature resistant cable according to claim 1, wherein: the charging power wire core (2) comprises a conductor (13), a shielding layer (14), a heat insulation layer (17) and a thickened insulation layer (18), wherein the conductor (13) is sequentially coated with the shielding layer (14), the heat insulation layer (17),The section area of the central line of the thickened insulating layer (18) is 6mm²。

4. A high temperature resistant cable according to claim 1, wherein: the signal control wire core (3) comprises a conductor (13), a shielding layer (14) and a second insulating layer (15), wherein the conductor (13) is sequentially coated with the shielding layer (14) and the second insulating layer (15), and the cross-sectional area of a central line is 2.5mm²。

5. A high temperature resistant cable according to any one of claims 2, 3, 4, wherein: the conductor (13) is formed by combining a plurality of metal-plated annealed soft copper wires.

6. A high temperature resistant cable according to claim 1, wherein: the elastic layer (9) is an I-shaped elastic adhesive tape, and wing plates at two ends of the I-shaped elastic adhesive tape are fixedly connected with the heat insulation layer (8) and the fire-proof layer (10) respectively.

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